CN212288858U - Mask ear belt welding device and mask manufacturing equipment - Google Patents

Abstract

The utility model discloses a mask ear belt welding device and mask manufacturing equipment, the mask ear belt welding device comprises a feeding module, the feeding module comprises at least one limiting groove and at least one airflow channel communicated with the limiting groove, and the airflow channel is set to be introduced with airflow so that the airflow can drive an 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; and the welding assembly is arranged at an ear belt inlet and an ear belt outlet of the feeding module, airflow is introduced into the limiting groove through the airflow channel, the ear belt is driven to move and convey in the limiting groove by virtue of the airflow, meanwhile, the ear belt is controlled by the feeding assembly, the ear belt is limited to move freely in the limiting groove, the ear belt is guaranteed to move and convey to a preset position, the welding assembly acts to weld the mask and the ear belt simultaneously, the welding process of the mask and the welding process of the ear belt are combined into one, and the production efficiency is effectively improved.

Description

Mask ear belt 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 ear area welding set and gauze mask manufacture equipment.

Background

At present, the gauze mask machine among the prior art adopts "one to drag two" structural style to arrange usually, and the gauze mask body forms through a gauze mask body manufacturing installation on upper reaches promptly, then sets up two gauze mask ear area welding set respectively in the low reaches and carries out the welding jobs in gauze mask both sides ear area, and this kind of "one drags two" gauze mask machine structure complicacy, and the operational failure rate is high, moreover because gauze mask ear area welding set's inefficiency has seriously restricted gauze mask production efficiency and has improved.

In the mask ear band welding device in the prior art, ear bands on two sides of a mask need to be provided with a plurality of special ear band conveying, winding, cutting, welding and other mechanisms for mutual matching, the ear bands or ear ropes are conveyed to be in place and cut into preset proper lengths, and then the ear bands are welded and fixed on the left side and the right side of a mask body through an ultrasonic welding process. Traditional ear area welding set structure is complicated, and each mechanism need cooperate in coordination, carries out different process operations in order to accomplish ear area welded fastening, and equipment operation fault rate is high, overhauls and maintains loaded down with trivial details. In addition, traditional ear area welding set adopts the roll welding mode to carry out gauze mask banding welding at first usually, then carries out gauze mask ear area welding, and gauze mask minor face welding and gauze mask ear area welding are two different processes of part promptly, and overall structure is complicated.

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 compact structure, maintain convenient, the high gauze mask ear area welding set of work efficiency.

The utility model also provides a gauze mask manufacture equipment, gauze mask manufacture equipment includes above-mentioned gauze mask ear area welding set.

The embodiment of the utility model provides a gauze mask ear area welding set, including the pay-off module, the pay-off module includes at least one spacing groove and at least one and the air current passageway of spacing groove intercommunication, the spacing groove has ear area entry and ear area export, wherein, the air current passageway is set up to let in the air current, so that the air current can drive the ear area and carry along the spacing groove; the feeding assembly is used for selectively locking the ear belts to limit the ear belts from being conveyed; and the welding assembly is arranged at the ear belt inlet and the 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.

Above-mentioned gauze mask ear area welding set has following beneficial effect at least: introduce the spacing inslot with the air current through airflow channel, drive the ear area with the help of the air current and remove in the spacing inslot and carry, simultaneously, through feeding unit control ear area, the restriction ear area freely removes at the spacing groove, guarantees that the ear area removes and carries to preset position, and welding unit moves and welds gauze mask and ear area simultaneously, unites two into one the welding process of gauze mask and the welding process of ear area, improves production efficiency effectively, the utility model discloses a gauze mask ear area welding set abandons the complex structure design of traditional gauze mask machine, and overall structure sets up simple compactness.

According to the utility model discloses gauze mask ear area welding set up the cutting assembly who is used for cutting gauze mask body and ear area on first welding die head and/or the second welding die head.

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

According to the utility model discloses gauze mask ear area welding set, first welding die head tip sets 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 ear area welding set, the pay-off module includes that the interval sets up and has 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, the welding subassembly sets up predetermined clearance department.

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

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

According to the utility model discloses gauze mask ear area 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 ear area 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 ear area 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.

The embodiment of the utility model provides a mask manufacture equipment, including foretell mask ear area welding set.

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 the mask ear band welding device of the present invention;

fig. 2 is a schematic view of a partial structure of an embodiment of the mask ear band welding device of the present invention;

fig. 3 is a schematic sectional view of a partial structure of an ear band welding device for a mask according to an embodiment of the present invention;

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

fig. 5 is a schematic sectional view of a partial structure of a feeding module according to a second embodiment in an embodiment of a welding device for ear bands of a mask according to the present invention;

fig. 6 is a schematic sectional view of a part of a feeding module according to a third embodiment in an ear band welding device for a mask according to the present invention;

fig. 7 is a schematic sectional view of a partial structure of the mask ear belt conveying assembly of 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 partial structure of a first embodiment of a welding assembly in an embodiment of a welding device for ear bands of a mask according to the present invention;

fig. 10 is a schematic sectional view of a second embodiment of a welding assembly in an embodiment of a welding device for ear bands of a mask according to the present invention;

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

fig. 12 is a schematic sectional view of a partial structure of a second embodiment of an ear band separation limiting groove in an embodiment of a mask ear band welding device according to the present invention;

fig. 13 is a schematic sectional view of a part of a structure of a third embodiment of an ear band separation limiting groove in an embodiment of a welding device for ear bands of a mask according to the present invention;

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 structural view of an embodiment of the mask manufacturing apparatus of the present invention.

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 to 4, an embodiment of the present invention provides a mask ear band welding device, including a feeding module 100 for conveying an ear band 10 to a predetermined position, a feeding assembly 200, and a welding assembly 300 for welding and fixing the ear band 10 on a mask. The feeding module 100 includes a first feeding module 110 and a second feeding module 120 which are arranged at intervals and have a predetermined gap, the mask body 20 is continuously and continuously conveyed along a predetermined direction, and the conveying direction of the mask body 20 is conveyed from the first feeding module 110 to the second feeding module 120. The welding assembly 300 is disposed between the first feeding module 110 and the second feeding module 120, and when the ear strap 10 is conveyed to a predetermined position, the welding assembly 300 acts to weld the ear strap 10 to the mask body 20.

In the description of the embodiment, the upper and lower directions are as indicated in fig. 2, for the convenience of intuitively understanding the structural form of the feeding module 100, the bottom surfaces of the first feeding module 110 and the second feeding module 120 are upward, in the actual mask production process, the bottom surfaces of the first feeding module 110 and the second feeding module 120 are downward, and the mask body 20 is approximately attached to the bottom surfaces of the first feeding module 110 and the second feeding module 120 for moving and conveying.

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, the first limiting groove 111 and the second limiting groove 121 are both 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 to form bottom surface openings, the direction of the bottom surface openings is upward in the schematic view of fig. 2, the paths of the first limiting groove 111 and the second limiting groove 121 in the horizontal direction or the same plane are both semi-annular, both are distributed in a substantially symmetrical form, the path formed by combining the first limiting groove 111 and the second limiting groove 121 is annular or runway-shaped in the horizontal direction or the same plane, the head end and the tail end of the first limiting groove 111 respectively form a first ear belt inlet 1111 and a first ear belt outlet 1112, the head end and the tail end 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 band 10 can smoothly pass through the first and second retaining grooves 111 and 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.

The embodiment of the present invention provides an air channel 130 communicated with the second limiting groove 121 is disposed inside the second feeding module 120, the air channel 130 is set to let in air flow, the air flow enters the first limiting groove 111 and the second limiting groove 121 through the air channel 13 and flows along the counterclockwise direction, under the action of the air flow, the ear belt 10 is driven along with the air flow, and then the ear belt is conveyed along with the counterclockwise direction movement 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 intersects with pan feeding passageway 140, the air current gets into through airflow channel 130, it removes and gets into first spacing groove 111, second spacing groove 121 to drive ear area 10 that is located pan feeding passageway 140, 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 at crossing department air current in airflow channel 130 constitute the acute angle promptly, 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 contacting 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 can be moved and conveyed under the action of the air flow by rolling and pressing the ear belt, when the two rollers 210 stop rotating, the moving and conveying of the ear belt 10 is suspended, thus, under the dual actions of the two rollers 210 rolling and controlling the ear belt and the air flow driving and controlling the ear belt, the end of the ear belt 10 can just expose part through the second ear belt outlet 1212 of the second limiting groove 121, and further, 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 the feeding module 100 and the feeding assembly 200, the ear belt 10 is moved in the first limiting groove 111 and the second limiting groove 121 and is conveyed and arranged in an annular or runway shape, so that two mask ear belts can be welded at one time subsequently, and the production efficiency is effectively improved.

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 can be moved and conveyed along with the air flow only under the condition that the two rollers 210 rotate synchronously and reversely, the conveying position of the ear belt 10 can be accurately controlled as long as the frequency and time of the rotation of the two rollers 210 are controlled, and the ear belt can be selectively locked through controlling the rotation 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, the roller is configured to press against a plane, the ear belt 10 passes through between the roller and the plane, the roller presses the ear belt 10, the ear belt 10 is locked and cannot be transported movably, when the roller rotates, the roller presses against the ear belt by rolling, so that the ear belt can be transported movably under the action of the air flow, and when the roller 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, and likewise, the ear band 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 can be welded at one time subsequently, and the production efficiency is effectively improved.

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.

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

The embodiment of the present invention provides a 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 module 200 and arranged in a ring shape or a track shape, the welding assembly 300 is operated to weld the ear belt 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 is separately formed into an independent mask.

Referring to fig. 9, the 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 weld the mouth mask and the ear band through an ultrasonic welding process, which is conventional in the art and will not be described herein.

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 welding assembly 300, the cutting assembly is used for cutting the mask body and the ear band, 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 and the ear band, so that the mask body and the ear band are cut while the ear band is welded by the welding assembly 300, because the ear band is arranged in a ring shape or a racetrack shape, and the cutting position is in the middle, the welding assembly 300 can weld and fix two mask ear bands on the mask body at one time, the mask ear band cutting process and the mask ear band 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 structures, for example, a protruding edge 311 is protruded at an end of the first welding die 310, a notch 321 is provided at an end of the second welding die 320, into which the protruding edge 311 can protrude, and when the first welding die 310 and the second welding die 320 are closed for welding, the protruding edge 311 can cut off the mask body and the ear band, so that the welding assembly 300 can weld the ear band and simultaneously cut the mask body and the ear band.

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 welding assembly 300 performs welding of the mask and the ear band, 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 welding assembly 300 performs welding on the mask and the ear band, the ear band is blown away from the limiting groove through the air flow.

Certainly, when the mask and the ear strap are welded by the 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 welding assembly 300, the first stripping module 112 and the second stripping 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 stripping operation.

Referring to fig. 16, the embodiment of the utility model provides a mask manufacture equipment, including above-mentioned gauze mask ear area welding set, when carrying out welded fastening to the gauze mask ear area through above-mentioned gauze mask ear area welding set, carry out the gauze mask ear area and cut, cut off process and gauze mask ear area welding process two into one with the gauze mask ear area, abandoned the gauze mask ear area welding mechanism of traditional "one drags two" gauze mask machine, reduce mechanism quantity, simplify the structure, improve the production machining efficiency of gauze mask effectively.

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 (14)

1. Gauze mask ear area welding set, its characterized in that 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; and

the 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.

2. The mask ear band welding device according to claim 1, characterized in that: and a cutting assembly for cutting the mask body and the ear band is arranged on the first welding die head and/or the second welding die head.

3. The mask ear band welding device according to claim 2, characterized in that: 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.

4. The mask ear band welding device according to claim 2, characterized in that: 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.

5. The mask ear band welding device according to any one of claims 1 to 4, 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, the welding assembly sets up predetermined clearance department.

6. The mask ear band welding device according to claim 5, characterized in that: 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.

7. The mask ear band welding device according to claim 6, characterized in that: 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.

8. The mask ear band welding device according to claim 5, characterized in that: the path of the limiting groove is in a semi-annular shape.

9. The mask ear band welding device according to claim 8, characterized in that: the limiting groove is of a groove structure with an open bottom surface or an open side surface.

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

11. The mask ear band welding device according to claim 10, 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.

12. The mask ear band welding device according to claim 10, wherein: the feeding module further comprises at least one stripping module which selectively covers the side opening of the limiting groove.

13. The mask ear band welding device according to claim 1, characterized in that: 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.

14. Mask manufacturing equipment characterized by comprising a mask ear band welding device according to any one of claims 1 to 13.

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