CN212288857U - Mask welding device and mask manufacturing equipment - Google Patents

Abstract

The utility model discloses a gauze mask welding set and gauze mask manufacture equipment, wherein gauze mask welding set includes long limit welding mechanism and minor face welding mechanism, and minor face welding mechanism includes pay-off module, pay-off subassembly, first welding subassembly and cutting element, pay-off module include at least one spacing groove and at least one with the air current passageway of spacing groove intercommunication. Long limit welding mechanism and minor face welding mechanism weld the long limit and the minor face of gauze mask body respectively, wherein, the transport of ear area is realized through the pay-off module to minor face welding mechanism, the ear area removes to carry to predetermined position after, the minor face and the ear area of gauze mask are welded simultaneously in first welding subassembly action, meanwhile, drive the minor face and the ear area of cutting assembly to the gauze mask body and cut, thereby with the welding process of gauze mask body minor face, the welding process of ear area, the process and the ear area that cut of ear muff body minor face are closed to a process, the production efficiency is effectively improved, this utility model is used for gauze mask manufacturing technical field.

Description

Mask welding device and mask manufacturing equipment

Technical Field

The utility model relates to a technical field is made in gauze mask production, in particular to gauze mask welding set and gauze mask manufacture equipment.

Background

The gauze mask structure includes gauze mask body and ear area, at present, is used for producing the gauze mask machine of gauze mask among the prior art, adopts "one to drag two" structural style to arrange usually, and a gauze mask body manufacturing installation that the gauze mask body passes through the upper reaches forms promptly, then sets up two gauze mask ear area welding set respectively at the low reaches and carries out the welding operation in gauze mask both sides ear area, sets up the turn-ups transfer chain between gauze mask body manufacturing installation and two gauze mask ear area welding set, and this kind of "one drags two" gauze mask machine has following problem:

1. the ear strap welding efficiency is low. Present ear area welding set of "one drags two" gauze mask machine, gauze mask both sides ear area need set up special ear area and carry, the winding, cut, a plurality of mechanisms such as welding mutually support, carry ear area or ear rope to take one's place and cut into predetermined suitable length with ear area or ear rope, and then through ultrasonic welding technology with ear area welded fastening in the gauze mask body left and right sides, wherein need use a plurality of tong cooperation actions centre gripping ear area, the structure is complicated, equipment fault rate is high, also consequently, the welding efficiency who has led to gauze mask ear area welding set is low, the production efficiency of gauze mask has been restricted to a certain extent. Because gauze mask ear area welding set's welding efficiency is lower, the production of the gauze mask body manufacturing installation of upper reaches is very fast, in order to make the production speed match, just had "one and dragged two" structural style, two gauze mask ear area welding set need be used to low reaches promptly for distribute the gauze mask body that the former process was come.

2. The side of gauze mask body manufacturing installation to the gauze mask carries out the banding welding, adopts ultrasonic bonding, structurally adopts the rolled mode usually, and the below sets up a fixed ultrasonic die head promptly, and the top sets up a rotatory rolling cylinder, and along with the transport of gauze mask cloth, the cylinder carries out the banding welding with the gauze mask with the cooperation of ultrasonic die head. The structural form of the mask body edge sealing welding easily causes abrasion of the ultrasonic die head below the mask body after long-term use, so that the mask edge sealing welding is not firm, and the product quality is reduced; in addition, the sizes of the ultrasonic die head and the roller correspond to the size of the mask, one machine can only produce masks with one specification and size by using the same die set, and if masks with another specification are produced, another device is needed.

3. Mask body manufacturing installation and the gauze mask ear area welding set in low reaches of upper reaches, be two devices of independent separation, and because the direction that gauze mask body manufacturing installation during operation gauze mask body placed, the direction of placing with gauze mask ear area welding set during operation gauze mask body is different, both each other become 90, consequently need set up the turn-ups transfer chain between gauze mask body manufacturing installation and the gauze mask ear area welding set, be used for with gauze mask body upset 90, also consequently, equipment overall structure is complicated, the production line is long, low in production efficiency.

4. The production process of the mask machine with one driving two is complex as follows: welding the sealed edge of the mask body cloth → cutting the cloth to form the divided mask body → conveying the turned edge conveying line → conveying and cutting the ear band → welding the ear band → discharging the mask.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a gauze mask welding set and gauze mask manufacture equipment, can effectively improve production efficiency.

The embodiment of the utility model provides a still provide a mask welding set, include:

the long edge welding mechanism is used for welding the long edge of the mask body;

short limit welding mechanism sets up long limit welding mechanism's low reaches for the minor face and the gauze mask ear area of welding gauze mask body, wherein, short limit welding mechanism includes:

the feeding module comprises at least one limiting groove and at least one airflow channel communicated with the limiting groove, the limiting groove is provided with an ear belt inlet and an ear belt outlet, and the airflow channel is set to be communicated with airflow so that the airflow can drive the ear belt to be conveyed along the limiting groove;

the feeding assembly is used for selectively locking the ear belts to limit the ear belts from being conveyed;

the first welding assembly is arranged at an ear belt inlet and an ear belt outlet of the feeding module and comprises a first welding die head and a second welding die head which are matched with each other; and

and the cutting assembly is arranged on the first welding die head and/or the second welding die head and is used for cutting the mask body and the mask ear bands.

The mask manufacturing equipment at least has the following beneficial effects: the long edge and the short edge of the mask body are respectively welded through a long edge welding mechanism and a short edge welding mechanism, wherein the short edge welding mechanism realizes the conveying of the ear belt through a feeding module and a feeding assembly, airflow is introduced into a limit groove through an airflow channel, the ear belt is driven to move and convey in the limit groove by the airflow, after the ear belt moves and conveys to a preset position, the first welding assembly acts to weld the short edge and the ear belt of the mask body at the same time, meanwhile, a cutting assembly is driven to cut the short edge and the ear belt of the mask body, so that the welding process of the short edge of the mask body, the welding process of the ear belt, the cutting process of the short edge of the earmuff body and the cutting process of the ear belt are combined into one process, the working efficiency of a mask welding device is effectively improved, the production efficiency of the mask is further improved, the whole structure is simple and compact, the failure rate is low.

According to the utility model discloses gauze mask welding set, first welding die head tip set up the convex edge, second welding die head tip set up with convex edge complex notch.

According to the utility model discloses gauze mask welding set, first welding die head tip set up the opening set up in the first welding die head the cutter that the opening stretches out, second welding die head tip set up with cutter complex notch.

According to the embodiment of the utility model provides a gauze mask welding set, the pay-off module include that the interval sets up and have first pay-off module and the second pay-off module in predetermined clearance, first pay-off module is including having the first spacing groove of first ear area entry and first ear area export, second pay-off module is including having the second spacing groove of second ear area entry and second ear area export, first ear area entry with second ear area export is relative, first ear area export with second ear area entry is relative, first welding subassembly sets up predetermined clearance department.

According to the utility model discloses gauze mask welding set first pay-off module and/or second pay-off module on set up with first spacing groove and/or second spacing groove correspond the pan feeding passageway of intercommunication.

According to the utility model discloses gauze mask welding set, airflow channel with the adjacent setting of pan feeding passageway, airflow channel with the pan feeding passageway is crossing and is forming the acute angle in crossing department.

According to the utility model discloses gauze mask welding set, the route of spacing groove is the half-ring shape.

According to the utility model discloses gauze mask welding set, the spacing groove be the uncovered or open groove structure in side in bottom surface.

According to the utility model discloses gauze mask welding set, still including being used for ordering about the ear area and breaking away from the material subassembly is taken off of spacing groove.

According to the utility model discloses gauze mask welding set up in the pay-off module with the material gas pocket of taking off of spacing groove intercommunication, take off the material gas pocket and set up to the selectivity and let in the air current to make the gauze mask ear area break away from the spacing groove.

According to the utility model discloses gauze mask welding set, the pay-off module still includes that at least one selectivity covers the open material module that takes off in side of spacing groove.

According to the utility model discloses gauze mask welding set, the pay-off subassembly include two gyro wheels that support the contact, two the gyro wheel supports and presses the ear area with selectivity locking ear area.

According to the utility model discloses gauze mask welding set, long limit welding mechanism include two second welding subassemblies, two second welding subassembly interval sets up, second welding subassembly is including the third welding die head and the fourth welding die head of mutually supporting.

According to the utility model discloses gauze mask welding set, two interval between the second welding subassembly sets up to adjusting.

The embodiment of the utility model provides a still provide a gauze mask manufacture equipment, including foretell gauze mask welding set.

The mask manufacturing equipment at least has the following beneficial effects: through above-mentioned gauze mask welding set, with the welding process of gauze mask body minor face, the welding process of ear area, the process of cutting of ear muff body minor face and ear area cut the process and close into a process, improve the production efficiency of gauze mask effectively.

According to the utility model discloses gauze mask manufacture equipment, still include quick-witted box and air supply filter equipment, gauze mask welding set locates in the quick-witted box, the quick-witted box sets up to have the malleation for the outside for inside, air supply filter equipment is used for filtering the entering the inside air of quick-witted box.

According to the utility model discloses gauze mask manufacture equipment, be equipped with sterilizing equipment in the quick-witted box.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural view of an embodiment of a mask welding device of the present invention;

fig. 2 is a schematic view of a partial structure of a short edge welding mechanism in an embodiment of the mask welding device of the present invention;

fig. 3 is a schematic view of a partial structural section of a short-edge welding mechanism in an embodiment of the mask welding device of the present invention;

fig. 4 is a schematic sectional view of a partial structure of a feeding module according to a first embodiment of an embodiment of a mask welding apparatus of the present invention;

fig. 5 is a schematic sectional view of a partial structure of a feeding module according to a second embodiment of the mask welding apparatus of the present invention;

fig. 6 is a schematic sectional view of a part of a feeding module according to a third embodiment of the mask welding apparatus of the present invention;

fig. 7 is a schematic sectional view of a partial structure of the mask welding device according to the present invention, wherein the airflow channel and the feeding channel are overlapped;

fig. 8 is a schematic sectional view of a partial structure of an air inlet head in an embodiment of the mask welding apparatus of the present invention;

fig. 9 is a schematic sectional view of a first embodiment of a first welding assembly in an embodiment of a mask welding apparatus according to the present invention;

fig. 10 is a schematic sectional view of a second embodiment of the first welding assembly in an embodiment of the mask welding apparatus of the present invention;

fig. 11 is a schematic sectional view of a partial structure of a first embodiment of a mask welding device according to the present invention, in which an ear band is separated from a position-limiting groove;

fig. 12 is a schematic sectional view of a partial structure of a second embodiment of a mask welding device according to the present invention, in which an ear band is separated from a stopper groove;

fig. 13 is a schematic sectional view of a partial structure of a third embodiment of a mask welding device according to the present invention, in which an ear band is separated from a stopper groove;

FIG. 14 is a cross-sectional view taken along line A-A of FIG. 13;

FIG. 15 is a schematic cross-sectional view of the A-A ear band of FIG. 13 shown disengaged from the retaining groove;

fig. 16 is a schematic view of a partial structure of a long-side welding mechanism in an embodiment of the mask welding apparatus of the present invention;

fig. 17 is a schematic partial cross-sectional view of an avoiding structure of a long-edge welding mechanism in an embodiment of the mask welding apparatus of the present invention;

fig. 18 is a schematic structural view of an embodiment of the mask manufacturing apparatus of the present invention;

fig. 19 is a schematic structural view of a case body in an embodiment of the mask manufacturing apparatus of the present invention;

reference numerals: the ear belt type mask comprises an ear belt 10, a mask body 20, a short edge welding mechanism 30, a long edge welding mechanism 40, a cloth conveying mechanism 50, a fold forming mechanism 60, a nose bridge strip conveying mechanism 70, a box body 80, an air blower 81, an ultraviolet lamp 82, a feeding module 100, a limiting groove 150, an ear belt inlet 151, an ear belt outlet 152, a first feeding module 110, a second feeding module 120, a first limiting groove 111, a second limiting groove 121, a first ear belt inlet 1111, a first ear belt outlet 1112, a second ear belt inlet 1211, a second ear belt outlet 1212, an air flow channel 130, a hose 131, an air inlet head 132, an annular groove 1321, an air inlet hole 1322, a feeding channel 140, a feeding assembly 200, a roller 210, a first welding assembly 300, a first welding die head 310, a second welding die head 320, a convex blade 311, an opening 312, a cutter 313, a notch 321, a second welding assembly 400, a third welding die head 410, a fourth welding die head 420, an avoiding structure 411, a long edge welding structure, The stripping assembly 500, the push rod member 510, the stripping air hole 520, the first stripping module 112, the second stripping module 122, the frame 90 and the long groove 91.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a mask welding device, including a long-edge welding mechanism 40 and a short-edge welding mechanism 30, where the long-edge welding mechanism 40 is used for welding a long edge of a mask body 20; the short-side welding mechanism 30 is disposed downstream of the long-side welding mechanism 40, and is used for welding the short side of the mask body 20 and the mask ear straps 10. The cloth of the mask body 20 is continuously conveyed along a predetermined direction from the long-side welding mechanism 40 to the short-side welding mechanism 30.

Referring to fig. 2, in the present embodiment, the short edge welding mechanism 30 includes: the feeding module 100, the feeding module 100 includes at least one limiting groove 150 and at least one airflow channel 130 communicated with the limiting groove 150, the limiting groove 150 has an ear belt inlet 151 and an ear belt outlet 152, the head and tail ends of the limiting groove 150 respectively form the ear belt inlet 151 and the ear belt outlet 152, wherein the airflow channel 130 is set to be ventilated so that the airflow can drive the ear belt 10 to be conveyed along the limiting groove 150; a feeding assembly 200 for selectively locking the ear band 10 to limit the transportation of the ear band 10; a first welding assembly 300 disposed at the ear band inlet 151 and the ear band outlet 152 of the feeding module 100, the first welding assembly 300 including a first welding die 310 and a second welding die 320 which are engaged with each other; and a cutting assembly, which is arranged on the first welding die head 310 and/or the second welding die head 320 and is used for cutting the mask body 20 and the mask ear bands 10.

The mask welding device of the embodiment welds the long sides and the short sides of the mask body 20 through the long side welding mechanism 40 and the short side welding mechanism 30 respectively. Wherein, the transport of ear area 10 is realized through pay-off module 100 and pay-off subassembly 200 to short edge welding mechanism 30, the transport of spacing groove 150 guide ear area 10 of pay-off module 100, introduce the spacing inslot 150 with the air current through airflow channel 130, drive ear area 10 with the help of the air current and remove the transport in spacing groove 150, and simultaneously, through pay-off subassembly 200 control ear area 10, restriction ear area 10 is at spacing groove 150 free movement, guarantee that ear area 10 removes and carries to preset position (on the short side of gauze mask body 20).

After ear area 10 carried and finishes, the action of first welding subassembly 300 welds the minor face and the ear area 10 of gauze mask body 20 simultaneously, meanwhile, first welding subassembly 300 can drive cutting assembly and cut the minor face and the ear area 10 of gauze mask body 20, thereby with the welding process of gauze mask body 20 minor face, the welding process of ear area 10, the cutting process and the ear area 10 cutting process of ear mask body minor face close one process, gauze mask welding set's work efficiency has been improved effectively, and then the production efficiency of gauze mask has been improved, overall structure sets up simply compactly, the complex structure design of traditional gauze mask machine has been abandoned, equipment fault rate is low.

In some embodiments, the limiting groove 150 of the feeding module 100 is disposed on the bottom surface and has a groove structure with an open bottom surface. After the ear belt 10 is conveyed to a preset position and is cut off, the ear belt 10 is welded on the short edge of the mask body 20 through the first welding assembly 300, and the limiting groove 150 is of a groove structure with an open bottom surface, so that the ear belt 10 is convenient to be separated from the limiting groove 150 after the ear belt 10 is welded along with the conveying of the mask body 20.

In the description of the present embodiment, the upper and lower directions are as labeled in fig. 2, and in order to facilitate the intuitive understanding of the structural form of the feeding module 100, the bottom surface of the feeding module 100 is upward in the illustration; in the actual production process, the bottom surface of the feeding module 100 faces downward, the cloth for producing the mask body 20 is continuously conveyed along a predetermined direction, the feeding module 100 is disposed above the mask body 20, and the bottom surface of the feeding module 100 is approximately attached to the upper surface of the mask body 20, as shown in fig. 1.

Referring to fig. 3, in the present embodiment, specifically, the feeding module 100 includes a first feeding module 110 and a second feeding module 120 which are arranged at an interval and have a predetermined gap, a first welding assembly 300 is arranged at the predetermined gap, a first limiting groove 111 is arranged on the bottom surface of the first feeding module 110, a second limiting groove 121 is arranged on the bottom surface of the second feeding module 120, both the first limiting groove 111 and the second limiting groove 121 are groove or caulking groove structures, that is, grooves are dug on the bottom surfaces of the first feeding module 110 and the second feeding module 120, the paths of the first limiting groove 111 and the second limiting groove 121 in the horizontal direction or the same plane are semi-annular, both are approximately symmetrically distributed, the path formed by combining the first limiting groove 111 and the second limiting groove 121 in the horizontal direction or the same plane is annular or racetrack shaped, the head end and the tail end of the first limiting groove 111 respectively form a first ear band inlet 1111 and a first ear band outlet 1112, the head and tail ends of the second limiting groove 121 respectively form a second ear belt inlet 1211 and a second ear belt outlet 1212, so that the ear belt 10 can smoothly pass through the first limiting groove 111 and the second limiting groove 121.

The first ear strap inlet 1111 is opposite to the second ear strap outlet 1212, the first ear strap outlet 1112 is opposite to the second ear strap inlet 1211, the ear strap 10 enters from the first ear strap inlet 1111 of the first limiting groove 111, is sent out through the first ear strap outlet 1112 of the first limiting groove 111, enters from the second ear strap inlet 1211 of the second limiting groove 121, and is sent out through the second ear strap outlet 1212 of the second limiting groove 121, namely, the ear strap 10 can be continuously and circularly moved and conveyed in the counterclockwise direction in the first limiting groove 111 and the second limiting groove 121. In order to facilitate the ear belt 10 to smoothly enter the second position-limiting groove 121 through the second ear belt inlet 1211 and enter the first position-limiting groove 111 through the first ear belt inlet 1111, the first ear belt inlet 1111 and the second ear belt inlet 1211 are provided with a chamfered structure.

Referring to fig. 4, in the embodiment of the present invention, the airflow channel 130 communicated with the second limiting groove 121 is disposed inside the second feeding module 120, the airflow channel 130 is configured to let in an airflow, the airflow enters the first limiting groove 111 and the second limiting groove 121 through the airflow channel 130 and flows in the counterclockwise direction, under the action of the airflow, the ear belt 10 is driven along with the airflow, and then moves and conveys in the counterclockwise direction in the first limiting groove 111 and the second limiting groove 121.

It is understood that the intensity of the air flow can be flexibly selected according to the actual situation, as long as the ear belt 10 can be driven or blown to move and convey.

The embodiment of the utility model provides an in, set up in second pay-off module 120 and communicate pan feeding passageway 140 with second spacing groove 121, pan feeding passageway 140 is used for supplying ear area 10 to get into in pay-off module 100, airflow channel 130 and the adjacent setting of pan feeding passageway 140, airflow channel 130 intersects with pan feeding passageway 140, the air current gets into through airflow channel 130, it removes the first spacing groove 111 of entering into to drive the ear area 10 that is located pan feeding passageway 140, second spacing groove 121, wherein, at the crossing department of airflow channel 130 and pan feeding passageway 140, form the acute angle between the central axis between the two, flow direction and the direction of delivery of ear area 10 in pan feeding passageway 140 in airflow channel 130 at crossing department air current promptly constitute the acute angle, be favorable to the air current to drive ear area 10 and remove the transport.

In the embodiment of the present invention, the position of the ear belt 10 for moving and conveying is controlled by the feeding assembly 200, specifically, the feeding assembly 200 includes two rollers 210 abutting against each other, the ear belt 10 passes between the two rollers 210, the two rollers 210 clamp the ear belt 10, at this time, the ear belt 10 is locked and cannot be moved and conveyed, when the two rollers 210 rotate in opposite directions synchronously, the ear belt 10 can be moved and conveyed under the action of the air flow by rolling and pressing the ear belt 10, when the two rollers 210 stop rotating, the moving and conveying of the ear belt 10 is suspended, so that under the dual actions of the two rollers 210 rolling and controlling the ear belt 10 and the air flow driving and controlling the ear belt 10, the end of the ear belt 10 can just expose through the second ear belt outlet 1212 of the second limiting groove 121, and then the ear belt 10 is arranged in a ring shape or a track shape in the first limiting groove 111 and the second limiting groove 121, so as to facilitate the subsequent welding and cutting processes.

Through the cooperation of pay-off module 100 and pay-off subassembly 200 two for ear area 10 removes in first spacing groove 111, second spacing groove 121 and carries and be annular or runway shape and arrange, so that follow-up can once only weld two gauze mask ear areas 10, and weld the minor face of gauze mask body 20 and cut ear area 10, cut the minor face of gauze mask body 20 simultaneously, improve production efficiency effectively.

The air flow is continuously blown in through the air flow channel 130, the ear belt 10 can be driven to move and convey through the air flow, the ear belt 10 can move and convey along with the air flow only under the condition that the two rollers 210 rotate in the opposite directions synchronously, the conveying position of the ear belt 10 can be accurately controlled as long as the frequency and the time of the rotation action of the two rollers 210 are controlled, and the ear belt 10 can be selectively locked by controlling the rotation action of the two rollers 210.

It can be understood that the two rollers 210 may also rotate in opposite directions synchronously to pre-convey the ear belt 10 with a predetermined length, then the two rollers 210 stop rotating, lock the ear belt 10, introduce the airflow into the airflow channel 130, and drive the ear belt 10 to enter the first limiting groove 111 and the second limiting groove 121 to move and convey through the airflow and be arranged in a ring shape or a track shape, that is, the airflow may also be set as intermittent ventilation.

Of course, in other embodiments, the feeding assembly 200 may be provided with only one roller 210, the roller 210 is configured to press against a plane, the ear belt 10 passes between the roller 210 and the plane, the roller 210 presses the ear belt 10, the ear belt 10 is locked and cannot be transported movably, when the roller 210 rotates, the ear belt 10 can be transported movably under the action of the air flow by rolling against the ear belt 10, and when the roller 210 stops rotating, the transportation of the ear belt 10 is suspended.

In other embodiments, the feeding assembly 200 can be configured as a clamping mechanism that can clamp or release the ear band 10, i.e., can selectively lock the ear band 10, and likewise, the ear band 10 can be transported in response to the movement of the air stream only when the clamping mechanism releases the ear band 10.

Referring to fig. 5, in some embodiments, independent air flow channels 130 may be respectively disposed on the first feeding module 110 and the second feeding module 120, and air flows are guided into the first limiting groove 111 and the second limiting groove 121 through the respective air flow channels 130, so as to drive the ear belt 10 to move and convey.

It is understood that the number of the air flow channels 130 can be set as multiple, and those skilled in the art can choose the number according to the actual situation as long as the air flow channels 130 are configured to facilitate the transportation of the ear belt 10 under the action of the air flow, such as the tangency between the air flow channels 130 and the first retaining grooves 111 and/or the second retaining grooves 121.

Referring to fig. 6, in some embodiments, independent feeding channels 140 may be respectively disposed on the first feeding module 110 and the second feeding module 120, and correspondingly, two feeding assemblies 200 are disposed for respectively providing two ear straps 10 to be respectively and correspondingly conveyed into the first limiting groove 111 and the second limiting groove 121, the rolling control and the air flow driving control of each ear strap 10 are the same as those described above, which is not described herein, each ear strap 10 is moved and conveyed to be in a semi-annular shape corresponding to the first limiting groove 111 and the second limiting groove 121, and the two ear straps 10 are combined with each other to form an annular shape or a track shape, so that two mask ear straps 10 can be welded at one time subsequently, thereby effectively improving the production efficiency.

Of course, it can be understood that the feeding module 100 may only be provided with a single limiting groove 150 to cooperate with a single feeding assembly 200, so as to guide and convey the ear straps 10 in the limiting groove 150 to form a semi-circular arrangement, so as to weld the ear straps 10 on one side of the mask body 20, and thus, only one mask ear strap 10 can be welded at a time.

In some embodiments, the airflow channel 130 and the feeding channel 140 may be integrated into one, that is, only the airflow channel 130 is provided, the ear belt 10 enters from the airflow channel 130, and the airflow directly drives the ear belt 10 located in the airflow channel 130 to enter the first limiting groove 111 and the second limiting groove 121.

Referring to fig. 7 and 8, the airflow channel 130 and the feeding channel 140 may be integrated, that is, the ear belt 10 enters the first limiting groove 111 and the second limiting groove 121 along the airflow channel 130, meanwhile, the airflow passes through the first limiting groove 111 and the second limiting groove 121 from the airflow channel 130, the airflow channel 130 may be connected to an external hose 131 as an intake pipe, an intake head 132 is disposed at an end of the hose 131, an annular groove 1321 is disposed inside the intake head 132, one end of the annular groove 1321 close to the hose 131 is open, and a through hole communicating the annular groove 1321 is disposed on a side wall of the intake head 132 as an intake hole 1322. The ear belt 10 passes through the hose 131 to enter the airflow channel 130, and the airflow is introduced from the air inlet 1322, and the airflow carries the ear belt 10 to enter the hose at the same time, so that the ear belt 10 directly enters the first limiting groove 111 and the second limiting groove 121 from the airflow channel 130.

The embodiment of the present invention provides a first welding assembly 300 disposed at a predetermined gap between the first feeding module 110 and the second feeding module 120, when the ear belt 10 is conveyed to a predetermined position through the feeding module 100 and the feeding assembly 200 and arranged in a ring shape or a track shape, the first welding assembly 300 acts to weld the ear belt 10 in the ring shape or the track shape on the mask body 20, and in the welding process, the ear belt 10 and the mask body 20 are cut, and then the mask body is separated to form an independent mask.

Referring to fig. 9, the first welding assembly 300 includes a first welding die 310 and a second welding die 320 disposed above and below and cooperating with each other, and the welding operation is performed by driving the first welding die 310 and the second welding die 320 to close, it can be understood that the cooperation between the first welding die 310 and the second welding die 320 may be driving two welding dies to close simultaneously, or driving only one of the welding dies to close, and the welding operation can be performed. The first welding die 310 and the second welding die 320 are used for welding the mouth mask and the ear band 10 by an ultrasonic welding process, which belongs to the conventional technology in the field and is not described in detail herein.

The first welding die 310 and the second welding die 320 are also in contact with the short sides of the mask body 20 while welding the ear band 10, so that the short sides of the mask body 20 can be welded at the same time.

In the embodiment of the present invention, a cutting assembly is disposed on the first welding die head 310 and the second welding die head 320, that is, the cutting assembly is integrated on the first welding assembly 300, the cutting assembly is used for cutting the mask body 20 and the ear band 10, specifically, an opening 312 is disposed at the end of the first welding die head 310, a cutter 313 for cutting is disposed inside the first welding die head 310, the cutter 313 extends from the opening 312, a notch 321 for the cutter 313 to extend into is disposed at the end of the second welding die head 320, when the first welding die head 310 and the second welding die head 320 are closed for welding, the convex cutter 313 can cut off the mask body 20 and the ear band 10, so that the first welding assembly 300 can weld the ear band 10 and also cut the mask body 20 and the ear band 10, because the ear band 10 is arranged in an annular or racetrack shape, and the cutting position is in the middle, the first welding assembly 300 can weld and fix two ear bands 10 on the mask body 20 at one time, the mask and the ear belt 10 cutting process and the mask body 20 short edge and ear belt 10 welding process are combined into a whole, so that the mechanical structure is simplified to the maximum extent, mechanical parts are reduced, the failure rate of the mechanical structure is lower, the structure is simple, and the cost is reduced.

Referring to fig. 10, in some embodiments, the cutting assembly may further include other configurations, for example, a protruding edge 311 is protruded at an end of the first welding die 310, and a notch 321 into which the protruding edge 311 can protrude is disposed at an end of the second welding die 320, and when the first welding die 310 and the second welding die 320 are closed to perform a welding operation, the protruding edge 311 can cut the mask body 20 and the ear band 10, so that the first welding assembly 300 can weld the ear band 10 and the short side of the mask body 20 and simultaneously cut the mask body 20 and the ear band 10.

The short edge welding mechanism 30 of the embodiment, through the guiding of the limiting groove 150 of the feeding module 100 and with the help of the action of the air flow, the ear belt 10 is conveyed, the ear belt 10 is placed around the city ring or the semi-ring shape on the short edge of the mask body 20, the use of the clamping hands of a plurality of matching actions of the traditional mask machine is avoided, the structure is simplified, and the first welding assembly 300 is arranged at the ear belt inlet 151 and the ear belt outlet 152 of the limiting groove 150, namely, the middle part of the wound ring-shaped ear belt 10 or the end part of the semi-ring-shaped ear belt 10, so that the welding of the ear belt 10, the cutting of the ear belt 10 and the cutting of the mask body 20 can be realized while the short edge of the mask body 20 is welded, and further, the welding of the mask body 20 and the welding of the ear belt 10 can be carried out on the same cloth conveying line without arranging the flanging conveying line of the traditional mask machine, the length of, the production efficiency is improved, one-driving-two is not needed, and the use of two mask ear bands 10 welding devices is avoided.

The embodiment of the utility model provides a gauze mask ear area welding set can also be including taking off material subassembly 500, takes off material subassembly 500 and is used for ordering about the ear area to break away from the spacing groove smoothly for the ear area can smoothly remove along with gauze mask body 20.

Referring to fig. 11, the stripping assembly 500 may be a push rod member 510 disposed in the limiting groove, the push direction of the push rod member 510 is the same as the opening direction of the limiting groove, and when the mask and the ear band are welded by the first welding assembly 300, the push rod member 510 acts to push the ear band, so that the ear band is stripped from the limiting groove.

Referring to fig. 12, the stripping assembly 500 may further include an air pump (not shown), and the stripping air hole 520 communicated with the limiting groove is formed in the feeding module 100, so that the direction of the stripping air hole 520 is consistent with the opening direction of the limiting groove, the air pump is connected to the stripping air hole 520 and provides high-pressure air flow, the air flow enters the limiting groove through the stripping air hole 520, and when the mask and the ear band are welded by the first welding assembly 300, the ear band is blown away from the limiting groove by the air flow.

Certainly, when the mask and the ear strap are welded by the first welding assembly 300, the ear strap can be separated from the limiting groove under the action of its own weight because the bottom surface of the feeding module 100 faces downward, that is, the opening direction of the limiting groove faces downward.

Referring to fig. 13 to 15, in some embodiments, the first feeding module 110 further includes a first stripping module 112, the first limiting groove 111 of the first feeding module 110 is disposed horizontally inward, that is, the opening direction of the side opening of the first limiting groove 111 is horizontally inward, the side wall of the first stripping module 112 covers and covers the first limiting groove 111, so that the first limiting groove 111 forms a relatively closed channel, the first stripping module 112 is disposed to be capable of moving up and down, and when the first stripping module 112 moves up, the first limiting groove 111 is in a structural form with an open side; similarly, the second feeding module 120 further includes a second material-removing module 122, the second limiting groove 121 of the second feeding module 120 is disposed horizontally inward, that is, the open side of the second limiting groove 121 is horizontally inward, the side wall of the second material-removing module 122 covers the second limiting groove 121, so that the second limiting groove 121 forms a relatively closed channel, the second material-removing module 122 is disposed to be capable of moving up and down, and when the second material-removing module 122 moves up, the second limiting groove 121 is in a structural form with an open side.

When the mask and the ear band are welded by the first welding assembly 300, the first material-removing module 112 and the second material-removing module 122 are controlled to move upwards synchronously, and the ear bands in the first limiting groove 111 and the second limiting groove 121 automatically slide down and are separated to realize material-removing operation.

Referring to fig. 16, in the present embodiment, the long side welding mechanism 40 includes two second welding assemblies 400, the two second welding assemblies 400 are spaced apart, the second welding assemblies 400 include a third welding die 410 and a fourth welding die 420 which are disposed above and below and are engaged with each other, and the welding operation is performed by driving the third welding die 410 and the fourth welding die 420 to close.

Two second welding set 400 weld two long limits of gauze mask body 20 respectively, and single second welding set 400 adopts up-down motion complex third welding die 410 and fourth welding die 420, and third welding die 410 and fourth welding die 420 only mutually support when the welding, compares with the long limit that traditional gauze mask machine adopted rolled mode welding gauze mask body 20, can reduce the contact wear of two welding die, and then improves the welded quality of 20 banding of gauze mask body.

It is understood that the cooperation action of the third welding die 410 and the fourth welding die 420 may be to drive the two welding dies to close simultaneously, or to drive only one of the welding dies to close, so as to realize the welding action. Likewise, the third welding die 410 and the fourth welding die 420 are welded using an ultrasonic welding process.

Masks have various specifications, such as adult masks and child masks, and masks of different specifications have different distances between two long sides. Traditional gauze mask machine, the gauze mask of a specification and size can only be produced to the same cover mould of a machine, and in this embodiment, the interval between two second welding subassemblies 400 sets up to can adjusting to the welding of the long limit of adaptable different specification and size gauze masks can produce the gauze mask of different specifications.

It is understood that the adjustment of the spacing between the two second welding assemblies 400 may be the simultaneous adjustment of the positions of the two welding assemblies, or the adjustment of the position of only one of the welding assemblies, and may take different structural forms, such as: the second welding assemblies 400 are slidably arranged on the frame 90, and the distance between the two second welding assemblies 400 can be adjusted by adjusting the movement of the second welding assemblies 400, and the second welding assemblies 400 are fixed by fasteners after being adjusted to avoid slippage, and referring to fig. 16, the positions of the second welding assemblies 400 can be slidably adjusted along the long grooves 91; or a plurality of mounting positions of the second welding assembly 400 can be arranged on the frame 90, and each mounting position corresponds to different intervals and also corresponds to masks with different specifications and sizes.

One of the long edges of the mask body 20 is usually provided with a nose bridge strip, and in this embodiment, the end of the third welding die head 410 welded to the long edge of the mask body 20 provided with the nose bridge strip is provided with an avoiding structure 411 avoiding the nose bridge strip, see fig. 17.

Referring to fig. 18, the embodiment of the present invention further provides a mask manufacturing apparatus, including the above mask welding device, and including cloth conveying mechanism 50, fold forming mechanism 60, nose bridge conveying mechanism 70, etc., wherein cloth conveying mechanism 50, fold forming mechanism 60, nose bridge conveying mechanism 70, etc. are prior art, and its specific structure is not described herein again.

Referring to fig. 19, in this embodiment, a housing 80 is disposed outside the mask manufacturing apparatus, and device mechanisms such as a mask welding device are disposed in the housing 80, and the housing 80 is disposed such that the interior of the housing has a positive pressure relative to the exterior, specifically, an air blower 81 or a blower, an air pump, etc. may be disposed in the housing 80, and an air source filtering device is disposed to prevent the exterior from entering the interior of the apparatus via unfiltered air, so that a relatively closed environment is formed inside the apparatus, and the production of masks contaminated by the exterior air or artificial activities is avoided.

Further, a sterilization device is arranged in the case body 80 to further ensure clean environment inside the equipment, specifically, the sterilization device can be an ultraviolet lamp 82, or the manufactured mask is placed in a high-temperature disinfection space, or ethylene oxide is introduced for sterilization, and the like.

The cabinet 80 can be provided with a part of opening and closing door so that the output mask and the working personnel can perform activities such as cloth replacement, maintenance and the like, and the frame of the opening and closing door is provided with a sealing strip so as to ensure the sealing property.

The gauze mask manufacture equipment of this embodiment, simplify the complex construction and the technology of traditional gauze mask machine, traditional gauze mask machine sets up a plurality of independent mechanisms or device respectively and accomplishes a plurality of production processes respectively, the gauze mask manufacture equipment of this embodiment passes through foretell gauze mask welding set, realize the long limit welding and the minor face welding of gauze mask, wherein, in the time of welding the minor face, carry out the welding of ear area 10, the cutting of ear area 10 and the cutting of gauze mask minor face, and then simplify production technology and equipment structure greatly, shorten the production line length, reduce the whole volume of equipment, can arrange in a quick-witted box 80, guarantee the clean of production environment, the disinfection of disinfecting to the gauze mask simultaneously.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (17)

1. Gauze mask welding set, its characterized in that includes:

the long edge welding mechanism is used for welding the long edge of the mask body;

short limit welding mechanism sets up long limit welding mechanism's low reaches for the minor face and the gauze mask ear area of welding gauze mask body, wherein, short limit welding mechanism includes:

the feeding module comprises at least one limiting groove and at least one airflow channel communicated with the limiting groove, the limiting groove is provided with an ear belt inlet and an ear belt outlet, and the airflow channel is set to be communicated with airflow so that the airflow can drive the ear belt to be conveyed along the limiting groove;

the feeding assembly is used for selectively locking the ear belts to limit the ear belts from being conveyed;

the first welding assembly is arranged at an ear belt inlet and an ear belt outlet of the feeding module and comprises a first welding die head and a second welding die head which are matched with each other; and

and the cutting assembly is arranged on the first welding die head and/or the second welding die head and is used for cutting the mask body and the mask ear bands.

2. The mask welding device according to claim 1, wherein: the end part of the first welding die head is provided with a convex edge, and the end part of the second welding die head is provided with a notch matched with the convex edge.

3. The mask welding device according to claim 1, wherein: the end part of the first welding die head is provided with an opening, a cutter extending out of the opening is arranged in the first welding die head, and the end part of the second welding die head is provided with a notch matched with the cutter.

4. The mask welding device according to any one of claims 1 to 3, characterized in that: the pay-off module sets up and has the first pay-off module and the second pay-off module in predetermined clearance including the interval, first pay-off module is including having the first spacing groove of first ear area entry and first ear area export, second pay-off module is including having the second spacing groove of second ear area entry and second ear area export, first ear area entry with second ear area export is relative, first ear area export with second ear area entry is relative, first welding subassembly sets up predetermined clearance department.

5. The mask welding device according to claim 4, wherein: and a feeding channel correspondingly communicated with the first limiting groove and/or the second limiting groove is arranged on the first feeding module and/or the second feeding module.

6. The mask welding device according to claim 5, wherein: the airflow channel and the feeding channel are arranged adjacently, and the airflow channel and the feeding channel are intersected and form an acute angle at the intersection.

7. The mask welding device according to claim 4, wherein: the path of the limiting groove is in a semi-annular shape.

8. The mask welding device according to claim 7, wherein: the limiting groove is of a groove structure with an open bottom surface or an open side surface.

9. The mask welding device according to claim 8, wherein: still including being used for driving the ear area to break away from take off the material subassembly of taking off of spacing groove.

10. The mask welding device according to claim 9, wherein: and a material removing air hole communicated with the limiting groove is formed in the feeding module, and the material removing air hole is set to selectively introduce air flow so that the mask ear band is separated from the limiting groove.

11. The mask welding device according to claim 9, wherein: the feeding module further comprises at least one stripping module which selectively covers the side opening of the limiting groove.

12. The mask welding device according to claim 1, wherein: the feeding assembly comprises two rollers which are in abutting contact, and the two rollers abut against the ear belts to selectively lock the ear belts.

13. The mask welding device according to claim 1, wherein: the long edge welding mechanism comprises two second welding assemblies, the two second welding assemblies are arranged at intervals, and each second welding assembly comprises a third welding die head and a fourth welding die head which are matched with each other.

14. The mask welding device according to claim 13, wherein: the distance between the two second welding assemblies is set to be adjustable.

15. Mask manufacturing equipment comprising a mask welding device according to any one of claims 1 to 14.

16. The mask manufacturing apparatus according to claim 15, wherein: still include quick-witted box and air supply filter equipment, gauze mask welding set locates in the quick-witted box, the quick-witted box sets up to inside has the malleation for the outside, air supply filter equipment is used for filtering the entering the inside air of quick-witted box.

17. The mask manufacturing apparatus according to claim 16, wherein: a sterilization device is arranged in the machine box body.

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