CN216941888U

CN216941888U - Lug belt welding device for plane mask

Info

Publication number: CN216941888U
Application number: CN202220469789.5U
Authority: CN
Inventors: 李小燕
Original assignee: Dongguan Hongguan Technology Co ltd
Current assignee: Dongguan Hongguan Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-12
Anticipated expiration: 2032-02-28

Abstract

The utility model belongs to the technical field of mask equipment, and particularly relates to a planar mask ear band welding device which comprises a rack, an input mechanism, a conveying mechanism, a support frame, a welding mechanism, a pressing mechanism, a lifting mechanism, a welding pressure head, an ear band conveying mechanism, an ear band shearing mechanism and an ear band clamping and overturning mechanism, wherein the input mechanism is connected with the rack; the input mechanism and the transmission mechanism are arranged on the rack in an L shape; a plurality of positioning dies are arranged on the conveying surface of the conveying mechanism, and a limiting part is arranged on one side of the conveying mechanism, which is far away from the input mechanism; the support frame is arranged on the frame, the pressing mechanism is arranged on the support frame, and the welding pressure head is oppositely arranged at the bottom end of the pressing mechanism; the welding mechanism is oppositely arranged on two sides of the conveying mechanism. The ear belt conveying mechanisms are distributed on two sides of the conveying mechanism, and the ear belt shearing mechanisms are oppositely arranged on two sides of the supporting frame; the lifting mechanisms are arranged on the supporting frame, and the two sets of ear belt clamping and overturning mechanisms are oppositely connected with the lifting mechanisms.

Description

Lug belt welding device for plane mask

Technical Field

The utility model belongs to the technical field of mask production equipment, and particularly relates to a lug welding belt device for a planar mask.

Background

The flat mask is an important epidemic prevention substance, and is formed by welding a plurality of layers of non-woven fabrics and melt-blown fabrics, and ear bands are welded on the mask. Present plane gauze mask is generally with gauze mask butt fusion and hobbing into single gauze mask after, with the ear strap butt fusion on the gauze mask, the ear strap butt fusion is through the scissors with the ear strap back of cutting off, through the rotatory gauze mask of going up in the both ends of ear strap clamp centre gripping ear strap to can realize welding the ear strap on the gauze mask. At present, after the mask is welded and formed, the mask is clamped and conveyed by the belt conveyor arranged from top to bottom, and then the mask is clamped and conveyed to the position of the ear band welding mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flat mask ear band welding device which solves the problem that an ear band is welded to be deviated when the ear band is welded on an existing flat mask.

In order to achieve the above object, an embodiment of the present invention provides a flat mask ear band welding device, which includes a frame, an input mechanism, a conveying mechanism, a support frame, a welding mechanism, a pressing mechanism, a lifting mechanism, a welding press head, an ear band conveying mechanism, an ear band shearing mechanism, and an ear band clamping and turning mechanism; the input mechanism and the conveying mechanism are arranged on the rack in an L shape; a plurality of positioning dies are arranged on the conveying surface of the conveying mechanism, and a limiting piece is arranged on one side of the conveying mechanism, which is far away from the input mechanism; the support frame is arranged on the rack, the pressing mechanism is arranged on the support frame, and the two groups of welding pressing heads are oppositely arranged at the bottom end of the pressing mechanism; the two groups of welding mechanisms are oppositely arranged at two sides of the conveying mechanism and are positioned at the bottom end corresponding to the welding pressure head; the two sets of ear belt conveying mechanisms are distributed on two sides of the conveying mechanism and used for conveying the ear belts, and the two sets of ear belt shearing mechanisms are oppositely arranged on two sides of the supporting frame and are positioned at the upper ends corresponding to the ear belt conveying mechanisms; the lifting mechanism is arranged on the supporting frame, and the two sets of ear belt clamping and overturning mechanisms are oppositely connected with the lifting mechanism and used for clamping the ear belts output by the ear belt conveying mechanism to overturn to the tops corresponding to the welding mechanisms.

Furthermore, one side of the support frame is provided with a cross rod, and the two ear band shearing mechanisms are adjustably arranged on the cross rod.

Furthermore, the ear band shearing mechanism comprises a mounting plate, a driving motor, an eccentric wheel, a connecting rod, a sliding block and two shearing knives; the mounting plate is connected with the support frame, the driving motor is arranged at the upper end of the mounting plate, and the eccentric wheel is arranged on the driving motor; the sliding block is connected to the mounting plate in a sliding mode, and the connecting rod is connected with the eccentric wheel and the sliding block; the two shearing knives are overlapped and pivoted on the mounting plate; two groups of extrusion rods are arranged on the mounting plate up and down and used for extruding two shearing knives for clamping, shearing and opening.

Further, the ear belt conveying mechanism comprises a connecting plate, a cache assembly, a wire coil, a wire releasing motor, a driving wheel, a driven wheel, a translation mechanism, a first clamping piece, a second clamping piece and a guide piece; the connecting plate is arranged on the supporting frame, the cache assembly, the wire coil and the paying-off motor are arranged on the connecting plate, the driving wheel is connected with the paying-off motor, and the driven wheel is rotatably connected with the connecting plate; the translation mechanism and the guide piece are arranged on the rack, the first clamping piece and the second clamping piece are arranged on the translation mechanism, and the translation mechanism drives the first clamping piece and the second clamping piece to move; the ear belt arranged on the wire coil passes through the buffer assembly, the guide piece and the first clamping piece in sequence; the translation mechanism drives the first clamping piece and the second clamping piece to move relatively.

Further, the first clamping piece comprises a first connecting seat, a wire clamping seat and a wire pressing cylinder; the first connecting seat is arranged on the translation mechanism, the wire clamping seat is arranged on the first connecting seat, a wire clamping groove is formed in the wire clamping seat, the wire pressing cylinder is arranged at the bottom end of the first connecting seat, and a piston rod of the wire pressing cylinder extends into the wire clamping groove; the second clamping piece comprises a second connecting seat and a pneumatic clamp, the second connecting seat is arranged on the translation mechanism, the pneumatic clamp is arranged on the second connecting seat, and a clamping end of the pneumatic clamp faces towards the first clamping piece.

Further, the pressing mechanism comprises a pressing driving motor, a first guide shaft, a top plate, a cam, a bottom plate and a connecting shaft; the downward pressing driving motor is arranged on the supporting frame, a plurality of first guide shafts vertically penetrate through the upper end of the supporting frame, the top plate is connected with the top end of each first guide shaft, and the upper end of each first guide shaft is sleeved with a compression spring and limited between the top plate and the supporting frame; the bottom plate is connected with the bottom ends of the first guide shafts, two groups of connecting shafts are oppositely arranged at the bottom end of the bottom plate, and the welding pressure head is connected with the corresponding connecting shafts; the bottom of roof extends and has a spacing piece, the cam setting is in push down on driving motor's the main shaft, and the butt is in the upper end of spacing piece is used for promoting the spacing piece descends.

Further, the lifting mechanism comprises a lifting motor, a second eccentric wheel, a second connecting rod and a lifting frame; the lifting motor is arranged at the bottom of the supporting frame, the second eccentric wheel is arranged on the lifting motor, the second connecting rod is connected with the second eccentric wheel and the lifting frame, the lifting frame is provided with a second guide shaft which penetrates through the bottom plate in a sliding mode, and the ear band shearing mechanism is connected to the bottom end of the lifting frame.

Further, an output mechanism positioned at the tail end of the conveying mechanism is also arranged on the rack; the output mechanism comprises two vertical plates oppositely arranged on the rack, two groups of belt conveying mechanisms arranged on the inner sides corresponding to the vertical plates, and a material taking manipulator connected to the vertical plates; the distance between the two belt conveying mechanisms is greater than that of the conveying mechanism and extends to the outer side of the conveying mechanism; the belt conveying mechanism comprises a first belt conveying mechanism and a second belt conveying mechanism which are arranged up and down, and the first belt conveying mechanism extends to the outer side of the conveying mechanism.

Further, the input mechanism is a belt conveying mechanism, and guide roller shafts attached to the conveying surface of the input mechanism are arranged at two ends of the input mechanism.

Furthermore, the two sides of the conveying mechanism are also provided with guide plates, and gaps are formed between the guide plates and the welding surfaces of the welding mechanism for the mask to pass through.

One or more technical schemes in the ear welding band device for the plane mask provided by the embodiment of the utility model at least have the following technical effects:

1. the input mechanism conveys the welded and formed plane mask one by one into a positioning die of the conveying mechanism, and the positioning die positions the mask. Conveying the positioning die to the bottom end of the welding pressure head through a conveying mechanism; the ear belt conveying mechanism conveys the ear belt, the ear belt is clamped by the ear belt clamping and overturning mechanism, the ear belt is cut off by the ear belt shearing mechanism, meanwhile, the two ends of the ear belt are overturned on the respirator by the ear belt clamping and overturning mechanism, the welding pressure head is driven by the pressing mechanism to be pressed downwards, the ear belt is welded on the respirator by the welding mechanism, and then the welding of the ear belt and the respirator is completed. Because the gauze mask is when carrying ear area butt fusion position, through the location mould to the gauze mask location, avoid gauze mask skew problem in position effectively, guarantee ear area and gauze mask butt fusion position, and then guaranteed the quality after the gauze mask butt fusion.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a structural diagram of a flat mask ear band welding device according to an embodiment of the present invention.

Fig. 2 is a structural diagram of the support frame part of the flat mask welding ear band device provided by the embodiment of the utility model.

Fig. 3 is a structural diagram of the lifting mechanism part of the flat mask ear band welding device according to the embodiment of the present invention.

Fig. 4 is a structural diagram of an ear band cutting mechanism of a flat mask ear band welding device according to an embodiment of the present invention.

Fig. 5 is a structural diagram of a translation mechanism of a flat mask welding ear band device according to an embodiment of the present invention.

Fig. 6 is a structural diagram of an output mechanism portion of a flat mask ear band welding device according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention may be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1 to 6, a flat mask ear band welding device includes a frame 100, an input mechanism 200, a conveying mechanism 300, a support frame 400, a welding mechanism 500, a pressing mechanism 600, a lifting mechanism 700, a welding press head 800, an ear band conveying mechanism 900, an ear band cutting mechanism 910, and an ear band clamping and turning mechanism 920. The input mechanism 200 and the conveying mechanism 300 are disposed on the rack 100 in an L shape. The conveying surface of the conveying mechanism 300 is provided with a plurality of positioning dies 301, one side of the conveying mechanism 300, which is far away from the input mechanism 200, is provided with a limiting part (not shown in the drawing), the input mechanism 200 conveys the masks into the positioning dies 301 of the conveying mechanism 300 one by one, and the masks are limited by the limiting part, so that the masks are positioned, and the positions of the masks in the positioning dies 301 are ensured. The supporting frame 400 is arranged on the rack 100, the pressing mechanism 600 is arranged on the supporting frame 100, and the two sets of welding press heads 800 are oppositely arranged at the bottom end of the pressing mechanism 600; the two sets of welding mechanisms 500 are oppositely disposed at two sides of the conveying mechanism 300 and located at the bottom end of the welding ram 800. The two sets of ear belt conveying mechanisms 900 are distributed on two sides of the conveying mechanism 300 and used for conveying the ear belts. The two sets of ear band cutting mechanisms 900 are oppositely arranged on two sides of the supporting frame 400 and are located at the upper ends of the ear band conveying mechanisms 900. The lifting mechanism 700 is arranged on the supporting frame 400, and the two sets of ear band clamping and overturning mechanisms 920 are oppositely connected with the lifting mechanism 700 and used for clamping the ear bands output by the ear band conveying mechanism 900 to overturn to the top corresponding to the welding mechanism 500.

In this embodiment, the input mechanism 200 feeds the fusion-molded flat masks one by one into the positioning die 301 of the transfer mechanism 300, and the positioning die 301 positions the masks. The positioning die 301 is conveyed to the bottom end of the welding ram 800 by the conveying mechanism 300; the ear belt conveying mechanism 900 conveys the ear belt, the ear belt is clamped by the ear belt clamping and overturning mechanism 920, the ear belt is cut off by the ear belt shearing mechanism 910, meanwhile, the ear belt clamping and overturning mechanism 920 overturns the two ends of the ear belt on the respirator, the fusion welding pressure head 800 is driven by the pressing mechanism 600 to press downwards, the ear belt is fused on the respirator with the fusion welding mechanism 500, and then the fusion welding of the ear belt and the respirator is completed. Because the gauze mask is when carrying ear area butt fusion position, through the positioning die 301 to the gauze mask location, avoid gauze mask position skew problem effectively, guarantee ear area and gauze mask butt fusion's position, and then guaranteed the quality after the gauze mask butt fusion.

Further, referring to fig. 2, a cross bar 401 is disposed on one side of the supporting frame 400, and the two ear band cutting mechanisms 910 are adjustably disposed on the cross bar 401. In this embodiment, the ear band cutting mechanism 910 can slide on the cross bar 401, and then the position of the ear band cutting mechanism 910 can be adjusted, so that the ear band cutting mechanism 910 can accurately cut off the ear band.

Further, referring to fig. 4, the ear band cutting mechanism 910 includes a mounting plate 911, a driving motor 912, an eccentric 913, a connecting rod 914, a slider 915, and two cutting blades 916. The mounting plate 911 is connected to the supporting frame 400, the driving motor 912 is disposed at the upper end of the mounting plate 911, and the eccentric 913 is disposed on the driving motor 912. The slide block 915 is slidably connected to the mounting plate 911, and the connecting rod 914 connects the eccentric 913 and the slide block 915. The two shearing blades 916 are overlapped and pivoted on the mounting plate 911. Two groups of

extrusion rods

917, 918 are arranged on the mounting plate 911 up and down for extruding the two shearing knives 916 to clamp and shear and open. Specifically, the two shearing knives 916 are crosswise pivoted on the mounting board 911, and the extrusion stem 917 comprises two pin shafts arranged oppositely for spreading the two shearing knives 916; the extruding rod 918 comprises two pins which are oppositely arranged and are used for extruding two shearing knives 916 to clamp and shear. In this embodiment, the eccentric 913 is driven by the driving motor 912 to rotate, the connecting rod 914 pulls the sliding block 915 to slide up and down, and under the action of the two sets of

squeezing rods

917 and 918, the shearing knife 916 opens and clamps the shearing, so that the structure is sheared off, and the structure is stable and noiseless during operation.

Further, referring to fig. 2, the ear belt conveying mechanism 900 includes a connecting plate 901, a buffer assembly 902, a wire coil (not shown), a wire releasing motor 904, a driving wheel 903, a driven wheel 909, a translation mechanism 905, a first clamping member 906, a second clamping member 907, and a guide member 908. The connecting plate 901 is arranged on the support frame 400, the buffer assembly 902, the wire coil 903 and the paying-off motor 904 are arranged on the connecting plate 901, the driving wheel 903 is connected with the paying-off motor 904, and the driven wheel 909 is rotatably connected on the connecting plate 901. The translation mechanism 905 and the guide 908 are disposed on the rack 100, the first clamping member 906 and the second clamping member 907 are disposed on the translation mechanism 905, and the translation mechanism 905 drives the first clamping member 906 and the second clamping member 907 to move. The ear tape disposed on the spool 903 passes through the buffer member 902, the guide 908, and the first gripper 907 in this order. Specifically, the buffer assembly 902 includes two guide rods and a pulley slidably connected between the two guide rods. In this embodiment, the ear strap can be placed on the reel and the head of the ear strap can be threaded between the drive pulley 903 and the driven pulley 904, around the pulley of the buffer assembly 902, around the guide 908, and through the first clamping member 906. The head of the ear band can be clamped by the second clamping member 907, the translation mechanism 905 drives the second clamping member 907 to move, and then the ear band is pulled out for a certain length and is cut by the ear band cutting mechanism 910.

Further, referring to fig. 2 and 5, the first clamping member 906 includes a first connecting block 961, a wire clamping block 962, and a wire pressing cylinder 963. The first connecting seat 961 is arranged on the translation mechanism 905, the wire clamping seat 962 is arranged on the first connecting seat 961, a wire clamping groove is arranged on the wire clamping seat 962, the wire pressing cylinder 963 is arranged at the bottom end of the first connecting seat 961, and a piston rod of the wire pressing cylinder 963 extends into the wire clamping groove. The second clamping member 907 includes a second connecting seat 971 and a pneumatic clamp 972, the second connecting seat 971 is disposed on the translation mechanism 905, the pneumatic clamp 972 is disposed on the second connecting seat 971, and a clamping end of the pneumatic clamp 972 faces the first clamping member 906. In this embodiment, the wire pressing cylinder 963 clamps one end of the ear strap in the wire clamping groove, the first connecting seat 961 and the second connecting seat 971 are driven to move in opposite directions by the translation mechanism 905, so that the first clamping piece 906 and the second clamping piece 907 approach to each other, the second clamping piece 907 can clamp the ear strap on the first clamping piece 906, the ear strap is loosened by the first clamping piece 906, the first clamping piece 906 and the second clamping piece 907 are driven to move in opposite directions by the translation mechanism 905, the ear strap is pulled out by a certain length through the second clamping piece 907, the ear strap is clamped by the first clamping piece 906 and the ear strap clamping turnover mechanism 920, and meanwhile, the ear strap shearing mechanism 910 shears the ear strap.

More specifically, the translation mechanism comprises a guide rail, a pair of synchronous wheels, a synchronous motor and a synchronous belt; the synchronizing wheel sets up respectively at the both ends of guide rail, and two synchronizing wheels are connected to the hold-in range to synchronous machine connects a synchronizing wheel, first connecting seat 961 and second connecting seat 971 sliding connection on the guide rail, and the one deck under the synchronous belt is connected to first connecting seat 961, and the one deck on the synchronous belt top is connected to second connecting seat 971.

Further, referring to fig. 2 and 3, the pressing mechanism 600 includes a pressing drive motor 601, a first guide shaft 602, a top plate 603, a cam 604, a bottom plate 605, and a connecting shaft 606. The downward-pressing driving motor 601 is arranged on the supporting frame 400, a plurality of first guide shafts 602 vertically penetrate through the upper end of the supporting frame 400, the top plate 603 is connected with the top end of each first guide shaft 602, and the upper end of each first guide shaft 602 is sleeved with a compression spring 607 and limited between the top plate 603 and the supporting frame 400; the bottom plate 605 is connected to the bottom end of each first guiding shaft 602, two sets of connecting shafts 606 are oppositely arranged at the bottom end of the bottom plate 605, and the welding press head 800 is connected to the corresponding connecting shafts 606. A limiting member 608 extends from the bottom of the top plate 603, and the cam 604 is disposed on the main shaft of the push-down driving motor 601 and abuts against the upper end of the limiting member 608 to push the limiting member 608 to descend. In this embodiment, the pressing-down driving motor 601 drives the cam 604 to rotate, and the cam 604 presses the limiting member 608 downward, so that the top plate 603 overcomes the elastic force of the compression spring 607, and the whole body descends, therefore, when the two ends of the ear band clamped by the ear band clamping and overturning mechanism 920 are overturned onto the mask, the welding press head 800 presses the end of the ear band onto the corresponding welding mechanism 500, thereby welding the ear band onto the mask.

Further, referring to fig. 3, the lifting mechanism 700 includes a lifting motor 701, a second eccentric 702, a second connecting rod 703, and a lifting frame 704. The lifting motor 701 is arranged at the bottom of the supporting frame 400, the second eccentric wheel 702 is arranged on the lifting motor 701, the second connecting rod 703 is connected with the second eccentric wheel 702 and the lifting frame 704, a second guide shaft 705 which penetrates through the bottom plate 605 in a sliding mode is arranged on the lifting frame 704, and the ear band shearing mechanism 910 is connected to the bottom end of the lifting frame 400. In this embodiment, when the ear strap clamping and turning mechanism 920 needs to descend, the lifting motor 701 drives the second eccentric wheel 702 to rotate, the second eccentric wheel 702 pushes the second connecting rod 703, and then the lifting frame 704 is pushed to ascend and descend, so that the ear strap clamping and turning mechanism 920 ascends and descends.

Further, referring to fig. 1 and 6, an output mechanism 110 located at the tail end of the conveying mechanism is further disposed on the rack 100; the output mechanism 110 includes two vertical plates 111 oppositely disposed on the rack 100, two sets of belt conveying mechanisms 112 disposed on the inner sides of the vertical plates 111, and a material taking manipulator 113 connected to the vertical plates 111. The distance between the two belt conveying mechanisms 112 is larger than the conveying mechanism 300, and extends to the outer side of the conveying mechanism 300. The belt conveying mechanism 112 includes a first belt conveying mechanism and a second belt conveying mechanism arranged up and down, and the first belt conveying mechanism extends to the outer side of the conveying mechanism 300. In this embodiment, when the mask in the positioning die 301 is conveyed to the bottom end of the first belt conveying mechanism, the first belt conveying mechanism guides the mask to be conveyed, and the positioning die 301 is turned downwards to the bottom end of the conveying mechanism 300, so that the mask can be clamped between the first belt conveying mechanism and the second belt conveying mechanism to be conveyed, and when the mask is conveyed to the bottom end of the material taking manipulator 113, the material taking manipulator 113 sucks the mask, and places the mask on a packaging line below the mask to complete mask packaging.

Further, the input mechanism 200 is a belt conveying mechanism, and guide roller shafts 201 attached to the conveying surface of the input mechanism 200 are arranged at two ends of the input mechanism 200. The two guide roller shafts 201 are used for facilitating the mask to be conveyed onto the input mechanism 200 and facilitating the mask to be output from the input mechanism 200 into the positioning die 301.

Further, referring to fig. 2, guide plates 302 are further provided on both sides of the conveying mechanism 300, and a gap is provided between the guide plates 302 and the welding surface of the welding mechanism 500 for passing the mask. In this embodiment, when the gauze mask conveys on transport mechanism 300, play limiting displacement to the both ends of gauze mask through deflector 302 for support such as the both ends of gauze mask on the butt fusion mechanism 500 that corresponds, and after the gauze mask butt fusion has the ear area, deflector 302 can play the isolation to the ear area, and the position of avoiding the ear area is in disorder, the packing of the follow-up gauze mask of being convenient for.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flat mask ear band welding device is characterized by comprising a rack, an input mechanism, a conveying mechanism, a supporting frame, a welding mechanism, a pressing mechanism, a lifting mechanism, a welding pressure head, an ear band conveying mechanism, an ear band shearing mechanism and an ear band clamping and overturning mechanism; the input mechanism and the conveying mechanism are arranged on the rack in an L shape; a plurality of positioning dies are arranged on the conveying surface of the conveying mechanism, and a limiting piece is arranged on one side, away from the input mechanism, of the conveying mechanism; the support frame is arranged on the rack, the pressing mechanism is arranged on the support frame, and the two groups of welding pressing heads are oppositely arranged at the bottom end of the pressing mechanism; the two groups of welding mechanisms are oppositely arranged on two sides of the conveying mechanism and are positioned at the bottom end corresponding to the welding pressure head; the two groups of ear belt conveying mechanisms are distributed on two sides of the conveying mechanism and used for conveying ear belts, and the two groups of ear belt shearing mechanisms are oppositely arranged on two sides of the supporting frame and are positioned at the upper ends corresponding to the ear belt conveying mechanisms; the lifting mechanism is arranged on the supporting frame, and the two sets of ear belt clamping and overturning mechanisms are oppositely connected with the lifting mechanism and used for clamping the ear belts output by the ear belt conveying mechanism to overturn to the tops corresponding to the welding mechanisms.

2. The flat mask weld ear band device according to claim 1, wherein: one side of the support frame is provided with a cross rod, and the two ear band shearing mechanisms are adjustably arranged on the cross rod.

3. The device of flat mask ear-piece according to claim 1, wherein: the ear belt shearing mechanism comprises a mounting plate, a driving motor, an eccentric wheel, a connecting rod, a sliding block and two shearing knives; the mounting plate is connected with the support frame, the driving motor is arranged at the upper end of the mounting plate, and the eccentric wheel is arranged on the driving motor; the sliding block is connected to the mounting plate in a sliding mode, and the connecting rod is connected with the eccentric wheel and the sliding block; the two shearing knives are overlapped and pivoted on the mounting plate; two groups of extrusion rods are arranged on the mounting plate up and down and used for extruding two shearing knives for clamping, shearing and opening.

4. The device of flat mask ear-piece according to claim 1, wherein: the ear belt conveying mechanism comprises a connecting plate, a cache assembly, a wire coil, a wire releasing motor, a driving wheel, a driven wheel, a translation mechanism, a first clamping piece, a second clamping piece and a guide piece; the connecting plate is arranged on the supporting frame, the cache assembly, the wire coil and the paying-off motor are arranged on the connecting plate, the driving wheel is connected with the paying-off motor, and the driven wheel is rotatably connected with the connecting plate; the translation mechanism and the guide piece are arranged on the rack, the first clamping piece and the second clamping piece are arranged on the translation mechanism, and the translation mechanism drives the first clamping piece and the second clamping piece to move; the ear belt arranged on the wire coil passes through the buffer assembly, the guide piece and the first clamping piece in sequence; the translation mechanism drives the first clamping piece and the second clamping piece to move relatively.

5. The device of flat mask ear-welding belt according to claim 4, characterized in that: the first clamping piece comprises a first connecting seat, a wire clamping seat and a wire pressing cylinder; the first connecting seat is arranged on the translation mechanism, the wire clamping seat is arranged on the first connecting seat, a wire clamping groove is formed in the wire clamping seat, the wire pressing cylinder is arranged at the bottom end of the first connecting seat, and a piston rod of the wire pressing cylinder extends into the wire clamping groove; the second clamping piece comprises a second connecting seat and a pneumatic clamp, the second connecting seat is arranged on the translation mechanism, the pneumatic clamp is arranged on the second connecting seat, and a clamping end of the pneumatic clamp faces towards the first clamping piece.

6. The device for welding a lug on a flat mask according to any one of claims 1 to 5, wherein: the pressing mechanism comprises a pressing driving motor, a first guide shaft, a top plate, a cam, a bottom plate and a connecting shaft; the downward pressing driving motor is arranged on the supporting frame, a plurality of first guide shafts vertically penetrate through the upper end of the supporting frame, the top plate is connected with the top end of each first guide shaft, and the upper end of each first guide shaft is sleeved with a compression spring and limited between the top plate and the supporting frame; the bottom plate is connected with the bottom end of each first guide shaft, two groups of connecting shafts are oppositely arranged at the bottom end of the bottom plate, and the welding pressure heads are connected with the corresponding connecting shafts; the bottom of roof extends and has a spacing piece, the cam setting is in push down on driving motor's the main shaft, and the butt is in the upper end of spacing piece is used for promoting the spacing piece descends.

7. The device of flat mask ear-piece according to claim 6, wherein: the lifting mechanism comprises a lifting motor, a second eccentric wheel, a second connecting rod and a lifting frame; the lifting motor is arranged at the bottom of the supporting frame, the second eccentric wheel is arranged on the lifting motor, the second connecting rod is connected with the second eccentric wheel and the lifting frame, the lifting frame is provided with a second guide shaft which penetrates through the bottom plate in a sliding mode, and the ear band shearing mechanism is connected to the bottom end of the lifting frame.

8. The device for welding a lug on a flat mask according to any one of claims 1 to 5, wherein: the rack is also provided with an output mechanism positioned at the tail end of the conveying mechanism; the output mechanism comprises two vertical plates oppositely arranged on the rack, two groups of belt conveying mechanisms arranged on the inner sides corresponding to the vertical plates, and a material taking manipulator connected to the vertical plates; the distance between the two belt conveying mechanisms is greater than that of the conveying mechanism and extends to the outer side of the conveying mechanism; the belt conveying mechanism comprises a first belt conveying mechanism and a second belt conveying mechanism which are arranged up and down, and the first belt conveying mechanism extends to the outer side of the conveying mechanism.

9. The flat mask welding ear strip device according to any one of claims 1 to 5, wherein: the input mechanism is a belt conveying mechanism, and guide roller shafts attached to the conveying surface of the input mechanism are arranged at the two ends of the input mechanism.

10. The device for welding a lug on a flat mask according to any one of claims 1 to 5, wherein: the two sides of the conveying mechanism are also provided with guide plates, and gaps are formed between the guide plates and the welding surface of the welding mechanism for the mask to pass through.