CN112248451A

CN112248451A - Ear wire hot welding device for mask production

Info

Publication number: CN112248451A
Application number: CN202011024994.2A
Authority: CN
Inventors: 赵锦香; 李诗荣
Original assignee: Tianchang Rongda Electronic Co ltd
Current assignee: Tianchang Rongda Electronic Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-22

Abstract

The invention discloses an ear wire hot-melting device for mask production, which belongs to the technical field of mask production and comprises a rack, a hot-melting machine and a melting rod, wherein the melting rod is lifted and pressed on an ear wire to enable the ear wire to be melted with a mask, a transmission belt for conveying the mask is arranged below the melting rod, a wire feeding mechanism for conveying the ear wire is further arranged between the melting rod and the transmission belt, the wire feeding mechanism comprises a rotatably arranged wire feeding rotary table, a wire clamping mechanism is arranged on the wire feeding rotary table, and the ear wire is clamped by the wire clamping mechanism and then is conveyed to the position below the melting rod by the wire feeding rotary table to be melted. Through sending line mechanism and transmission band and hot melt splicer to cooperate for the gauze mask passes through the transmission band and sends to the hot melt splicer below, and the ear wire sends the gauze mask both ends through sending line mechanism, makes the hot melt splicer can the point pressure butt fusion ear wire, and send line mechanism for continuous work, realizes automatic ear wire welded effect.

Description

Ear wire hot welding device for mask production

Technical Field

The invention relates to the technical field of mask production, in particular to an ear wire hot-melting device for mask production.

Background

The mask is a sanitary article, generally refers to a device which is worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to prevent harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, and is made of gauze or paper and the like. The mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.

Mask generally divide into face cover portion and ear wire, the ear wire is used for hanging and plays the fixed action to the face guard on the person's of wearing ears, generally the mode of butt fusion is together fixed between ear wire and the face guard through the butt fusion, in the mask production process, generally process the face guard earlier, put the face guard that has processed and carry out the ear wire butt fusion to every mask on ear wire butt fusion equipment, but traditional ear wire butt fusion device generally needs the artifical face guard of going up and down, and the artifical ear wire that pulls fixes a position, not only inefficiency, and the easy burning finger of hot welding in-process, there is the potential safety hazard, and the inconvenient fixed of ear wire length, lead to the longer lax of wearing of gauze mask ear wire that has, the ear wire that has is shorter, wear to be urgent, therefore the inconvenient the handle of length of ear wire is controlled, thereby be unfavorable for the sale of.

Disclosure of Invention

The invention aims to solve the problems that the ear wire welding device is low in working efficiency, has potential safety hazards, is inconvenient to control the length of an ear wire and affects the future sales of a mask, and the ear wire welding device for mask production has the advantages of automatic ear wire welding, high working efficiency, safer operation, convenience in adjustment of the length of the ear wire of the mask and capability of meeting the requirements of users.

The ear wire heat welding device comprises a rack, a heat welding machine and a welding rod, wherein the welding rod is lifted and pressed on the ear wire to enable the ear wire to be welded with a mask, a transmission belt used for conveying the mask is arranged below the welding rod, a wire feeding mechanism used for conveying the ear wire is further arranged between the welding rod and the transmission belt, the wire feeding mechanism comprises a rotatably arranged wire feeding rotary table, a wire clamping mechanism is arranged on the wire feeding rotary table, and the ear wire is clamped by the wire clamping mechanism and then is conveyed to the position below the welding rod by the wire feeding rotary table to be welded.

Preferably, the wire feeding turntable comprises a middle base, a wire bending base and a stepping motor, wherein the two ends of the middle base are symmetrically arranged, the stepping motor is connected with the middle base through a motor shaft, and the wire clamping mechanism is arranged on the middle base.

Preferably, the wire clamping mechanism comprises a bottom rod connected with the middle base, the middle part of the bottom rod is rotatably connected with the middle part of the swing rod through a damping rotating shaft, the swing rod is in a lever structure, wire clamping grooves are formed in the two ends of the bottom rod and the two ends of the swing rod, a compression rod located above the swing rod is installed on the fusion rod, and when the fusion rod descends, the end part of the swing rod is pressed downwards through the compression rod, so that the wire clamping mechanism keeps wire clamping of the wire clamping groove with only one end.

Preferably, the compression bar is sleeved on the outer wall of the fusion rod through a mounting seat, and the mounting seat is fixed with the fusion rod through a bolt.

Preferably, the wire bending seat is connected with the middle seat in a sliding mode through the guide rod, the bottom of the middle seat is further provided with the lead screw, and the lead screw is in threaded connection with the positive and negative wires of the two wire bending seats.

Preferably, the middle part of the screw rod is also provided with a rotating sleeve.

Preferably, the wire bending seat is of an arc-shaped structure, and one end of the wire bending seat, which is far away from the middle seat, is provided with a limiting groove of the arc-shaped structure.

Preferably, the heat sealing machine is provided with two output shafts which are connected through a connecting rod, the middle part of the connecting rod is connected with an air cylinder, and the heat sealing machine is driven to lift through the air cylinder.

Preferably, the width and the gauze mask length phase-match of transmission band, the surface of transmission band sets up the limit baffle that a plurality of equidistance distribute, interval and gauze mask width phase-match between the limit baffle.

Compared with the prior art, the invention has the beneficial effects that:

1. through sending line mechanism and transmission band and hot melt splicer to cooperate for the gauze mask passes through the transmission band and sends to the hot melt splicer below, and the ear wire sends the gauze mask both ends through sending line mechanism, makes the hot melt splicer can the point pressure butt fusion ear wire, and send line mechanism for continuous work, realizes automatic ear wire welded effect, has improved work efficiency.

2. Through installing the clamping mechanism on sending line mechanism, the clamping mechanism is driven along with the motion of butt fusion pole and is carried out the lug line centre gripping for the lug line is fixed more conveniently, and is difficult to make mistakes, reduces the welded fault rate of lug line.

3. Can adjust the size of sending the line revolving stage through the lead screw to the adjustment is sent to the ear line length of butt fusion pole below, thereby adjusts the ear line length of every gauze mask assembly, satisfies different user's demands.

Drawings

Fig. 1 is a schematic structural diagram of the overall device of the present invention.

Fig. 2 is a schematic view of the installation structure of the wire feeding mechanism of the present invention.

Fig. 3 is a plan view of the thread feeding mechanism of the present invention.

Fig. 4 is a schematic structural view of the wire clamping mechanism of the present invention.

Fig. 5 is a schematic view of a transmission belt structure according to the present invention.

In the figure: 1. the welding device comprises a rack, 2, a heat sealing machine, 3, a welding rod, 4, a connecting rod, 5, an air cylinder, 6, an ear wire, 7, a wire feeding mechanism, 8, a transmission belt, 9, a stepping motor, 10, a motor shaft, 11, a wire feeding turntable, 12, a screw rod, 13, a rotating sleeve, 14, a mounting seat, 15, a pressing rod, 16, a middle seat, 17, a wire clamping mechanism, 18, a wire bending seat, 19, a limiting groove, 20, a guide rod, 21, a swinging rod, 22, a bottom rod, 23, a wire clamping groove, 24, a damping rotating shaft, 25 and a limiting baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, an ear wire thermal welding device for mask production comprises a frame 1, a thermal welding machine 2 and a welding rod 3, wherein the welding rod 3 is lifted and pressed on an ear wire 6 to weld the ear wire 6 with a mask, a transmission belt 8 for conveying the mask is arranged below the welding rod 3, a wire feeding mechanism 7 for conveying the ear wire 6 is further arranged between the welding rod 3 and the transmission belt 8, the wire feeding mechanism 7 comprises a rotatably arranged wire feeding rotary table 11, a wire clamping mechanism 17 is arranged on the wire feeding rotary table 11, the ear wire 6 is clamped by the wire clamping mechanism 17 and then is rotatably conveyed to the lower part of the welding rod 3 by the wire feeding rotary table 11 to be welded, the transmission belt 8 conveys a mask to the lower part of the welding rod 3, the wire head of the ear wire 6 is clamped by the wire clamping mechanism 17, the wire clamping mechanism 17 is driven by the rotation of the wire feeding rotary table 11 to pull out the ear wire 6, so that the ear wire 6 reaches a proper length, and the mode of point pressing of the welding rod 3 is utilized, connect the 6 fuses of ear wire on the face guard, form the gauze mask, remove from 3 below of butt fusion pole along with transmission band 8 again to accomplish the production of gauze mask once, the full-automatic butt fusion of this mode need not manually operation, has increased the security, has improved efficiency.

As shown in fig. 3, the wire feeding turntable 11 includes a middle base 16, a wire bending base 18 and a stepping motor 9, the two ends of the middle base 16 are symmetrically arranged, the stepping motor 9 is connected with the middle base 16 through a motor shaft 10, and a wire clamping mechanism 17 is installed on the middle base 16, the wire feeding turntable 11 is driven by the stepping motor 9, because the two ends are symmetrically arranged, the two wire bending bases 18 can be matched with the wire clamping mechanism 17 to pull out the ear wire 6, therefore, the wire feeding turntable 11 rotates 180 degrees generally, and the welding of the ear wire 6 can be completed twice by one rotation of the wire feeding turntable 11, and the work efficiency is high.

As shown in fig. 4, the wire clamping mechanism 17 includes a bottom rod 22 connected to the middle base 16, the middle of the bottom rod 22 is rotatably connected to the middle of the swing rod 21 through a damping rotating shaft 24, so that the swing rod 21 is in a lever structure, wire clamping grooves 23 are formed at both ends of the bottom rod 22 and both ends of the swing rod 21, a pressing rod 15 located above the swing rod 21 is installed on the welding rod 3, when the welding rod 3 descends, the end of the swing rod 21 is pressed down by the pressing rod 15 so that the wire clamping mechanism 17 keeps the wire clamping of the wire clamping groove 23 only at one end, the wire clamping mechanism 17 adopts a repeated clamping manner, in an initial state, the end of the swing rod 21 at one end with the wire clamping groove 23 is attached to the end of the bottom rod 22 so as to clamp the ear wire 6, at this time, one end of the wire clamping mechanism 17 is in an engaged state, the other end is opened, when the ear wire 6 is rotated 180 degrees, the welding is performed by the pressing point pressing, the head of the ear wire 6 after being melted is clamped, and the original occluded end is opened again, so that the continuous work of the wire clamping mechanism 17 is realized, the wire feeding rotary table 11 is ensured not to be on-line again, and the automatic operation is realized. The utility model discloses a fuse rod 3 outer wall is connected to depression bar 15 through 14 suits of mount pad, and mount pad 14 is fixed with fuse rod 3 through the bolt, can adjust the height of depression bar 15 through mount pad 14, when making it guarantee fuse rod 3 to push down, depression bar 15 also follows to push down open-ended wire clamping mechanism 17, wire bending seat 18 passes through guide bar 20 and middle seat 16 sliding connection, lead screw 12 is still installed to middle seat 16 bottom, lead screw 12 and two wire bending seat 18 just anti-silk threaded connection, the interval between two symmetry wire bending seats 18 is conveniently adjusted, the regulation mode realizes wire bending seat 18 through rotating lead screw 12 and moves, guide bar 20 plays the effect of direction. The middle part of lead screw 12 still installs and rotates cover 13, rotates cover 13 and is used for making things convenient for manual rotation lead screw 12, avoids grinding one's hands, and curved line seat 18 is the arc structure, and keeps away from the spacing groove 19 that the arc structure was seted up to the one end of middle seat 16, and curved line seat 18 of arc structure can prevent the wearing and tearing fracture of ear wire 6, and spacing groove 19 is used for preventing that ear wire 6 from droing.

The heat sealing machine 2 is provided with two output shafts which are connected through a connecting rod 4, the middle part of the connecting rod 4 is connected with an air cylinder 5, the air cylinder 5 drives the heat sealing machine 2 to ascend and descend, the air cylinder 5 drives the two heat sealing machines 2 to keep synchronous motion, and ear lines 6 at two ends of the mask are kept in synchronous welding.

As shown in fig. 5, the width of transmission band 8 and gauze mask length phase-match, the surface of transmission band 8 sets up the limit baffle 25 that a plurality of equidistance distribute, interval and gauze mask width phase-match between the limit baffle 25, when this equipment operation, only need alone will put into the clearance between the limit baffle 25 for the gauze mask of butt fusion ear wire 6, can satisfy the location between gauze mask and the ear wire 6, transmission band 8 is a interval of advancing at every turn, only need like this alone can accomplish the material loading of gauze mask.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a gauze mask production is with ear line hot melt device, includes frame (1), hot melt machine (2) and butt fusion pole (3), through butt fusion pole (3) goes up and down the point and presses on ear line (6), makes ear line (6) and gauze mask butt fusion, a serial communication port, the below installation of butt fusion pole (3) is used for carrying transmission band (8) of gauze mask, butt fusion pole (3) with still install between transmission band (8) and be used for carrying wire feeding mechanism (7) of ear line (6), wire feeding mechanism (7) are including rotating wire feeding revolving stage (11) that set up, wire feeding revolving stage (11) are gone up installation wire clamping mechanism (17), through wire clamping mechanism (17) centre gripping ear line (6) are again by wire feeding revolving stage (11) rotatory transport connect the butt fusion pole (3) below to carry out the butt fusion.

2. The ear wire heat welding device for mask production according to claim 1, wherein the wire feeding turntable (11) comprises a middle base (16), a wire bending base (18) and a stepping motor (9), the two ends of the middle base (16) are symmetrically arranged, the stepping motor (9) is connected with the middle base (16) through a motor shaft (10), and the wire clamping mechanism (17) is installed on the middle base (16).

3. The ear wire thermal welding device for mask production according to claim 2, wherein the wire clamping mechanism (17) comprises a bottom rod (22) connected with the middle seat (16), the middle part of the bottom rod (22) is rotatably connected with the middle part of the swing rod (21) through a damping rotating shaft (24), so that the swing rod (21) is in a lever structure, wire clamping grooves (23) are respectively formed in both ends of the bottom rod (22) and both ends of the swing rod (21), a compression rod (15) located above the swing rod (21) is installed on the fusion rod (3), and when the fusion rod (3) descends, the end part of the swing rod (21) is pressed down through the compression rod (15) so that the wire clamping mechanism (17) can clamp wires in the wire clamping grooves (23) with only one end.

4. The ear wire thermal welding device for mask production according to claim 3, wherein the pressure lever (15) is sleeved on the outer wall of the welding rod (3) through the mounting seat (14), and the mounting seat (14) is fixed with the welding rod (3) through a bolt.

5. The ear wire thermal welding device for mask production according to claim 2, wherein the wire bending seat (18) is slidably connected with the middle seat (16) through a guide rod (20), a screw rod (12) is further installed at the bottom of the middle seat (16), and the screw rod (12) is in threaded connection with the positive and negative threads of the two wire bending seats (18).

6. The ear wire thermal welding device for mask production according to claim 5, wherein a rotating sleeve (13) is further installed in the middle of the screw rod (12).

7. The ear wire thermal welding device for mask production according to claim 2 or 5, wherein the wire bending seat (18) is of an arc structure, and one end far away from the middle seat (16) is provided with a limiting groove (19) of the arc structure.

8. The ear wire heat welding device for mask production according to claim 1, wherein the heat welding machine (2) is provided with two output shafts connected through a connecting rod (4), the middle part of the connecting rod (4) is connected with an air cylinder (5), and the air cylinder (5) drives the heat welding machine (2) to lift.

9. The ear wire thermal welding device for mask production according to claim 1, wherein the width of the transmission band (8) is matched with the length of the mask, a plurality of limit baffles (25) are arranged on the surface of the transmission band (8) and distributed at equal intervals, and the distance between the limit baffles (25) is matched with the width of the mask.