CN216147309U - Nose bridge welding device for external nose bridge mask - Google Patents

Abstract

The utility model relates to a nose bridge welding device for an external nose bridge mask, which comprises: the mask welding machine comprises a machine table, wherein a first grabbing mechanism used for grabbing mask pieces is arranged on one side of the machine table, and a second grabbing mechanism used for grabbing a mask behind a welded nose bridge strip is arranged on the other side of the machine table; the machine table is close to the first grabbing mechanism and is provided with a mask piece opening station; a welding station for welding the nose bridge strip and the mask piece is arranged between the machine table and the second grabbing mechanism; and the control device is arranged on the machine table, and the first grabbing mechanism, the second grabbing mechanism, the mask piece opening station and the welding station are electrically connected with the control device. The utility model discloses a nose bridge welding device for an external nose bridge mask, which can be directly connected with a mask machine, realizes full-automatic production of the external nose bridge mask, and has high efficiency and good product stability.

Description

Nose bridge welding device for external nose bridge mask

Technical Field

The utility model relates to the technical field of mask processing, in particular to a nose bridge strip welding device for an external nose bridge strip mask.

Background

External bridge of the nose strip version of folded form gauze mask, mainly use manual welding at present stage as the owner, be subject to the operation flow and the manual work of machine and put in the flow, the during operation is inefficient, the article control is difficult, product appearance stability is poor, a small amount of semi-automatic machine accessible manual work is put in gauze mask body piece and is carried out semi-automatic welding bridge of the nose strip, stability is compared and is made by hand, limited machine operation flow itself, machine efficiency is not high, and receive the manual work to put in efficiency and influence, the whole customization production of equipment, still need further to drop into when the product upgrades and change the machine, the price/performance ratio is low.

Therefore, how to provide a nose bridge welding device for an external nose bridge mask is an urgent problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide a nose bridge welding device for an external nose bridge mask, and solves the problems of low manual welding efficiency, difficulty in product control and instability of product appearance.

The utility model provides a nose bridge strip welding device for an external nose bridge strip mask, which comprises:

the mask welding machine comprises a machine table, wherein a first grabbing mechanism used for grabbing a mask piece is arranged on one side of the machine table, and a second grabbing mechanism used for grabbing a mask behind a welded nose bridge strip is arranged on the other side of the machine table;

the mask piece opening station is arranged at a position, close to the first grabbing mechanism, of the machine table;

the welding station for welding the nose bridge strip and the mask piece is arranged between the machine table and the second grabbing mechanism;

and the control device is installed on the machine table, and the first grabbing mechanism, the second grabbing mechanism, the mask opening station and the welding station are electrically connected with the control device.

According to the technical scheme, compared with the prior art, the nose bridge welding device for the external nose bridge mask provided by the utility model can be directly connected with the mask machine, so that the full-automatic production of the external nose bridge mask is realized, the efficiency is high, and the product stability is good.

Further, the first grabbing mechanism and the second grabbing mechanism are the same in structure and both comprise: the manipulator comprises a base, a mechanical arm and a mechanical arm sensor; the base is fixed in one side or the opposite side of board, the arm includes the arm body of multistage servo motor control, arm one end rotate in on the base, the other end is connected with the manipulator, manipulator upper portion sets up the manipulator sensor, servo motor with the manipulator sensor all with controlling means electric connection.

Furthermore, an anti-skid soft rubber layer is adhered to the grabbing side of the manipulator; or the manipulator is wrapped with an anti-slip soft rubber layer.

Furthermore, a support, an opening slide rail, an air suction device and an air suction sensor are arranged on the opening station of the mask sheet; the bracket is vertically fixed on two sides of the machine table, two opening slide rails with a certain distance formed in the middle are symmetrically arranged at the top of the bracket, and each opening slide rail is connected with one air suction device in a sliding manner; the air suction device is provided with an air suction sensor; the air suction device and the air suction sensor are electrically connected with the control device.

Furthermore, the air suction device is an air suction cylinder, and an air suction port of the air suction cylinder faces to the middle of the machine table.

Further, the nose bridge strip welding device for the external nose bridge strip mask further comprises a nose bridge strip fixing frame, the nose bridge strip fixing frame comprises a fixing seat and a circular rotating frame, the fixing seat is fixed on the welding station, the circular rotating frame rotates to the top of the fixing seat, and the nose bridge strip is wound on the circular rotating frame.

Furthermore, an ultrasonic die, a nose bridge strip calibrator, a welding die head and a welding table are arranged on the welding station; the welding table is positioned beside the machine table, the ultrasonic die moves relative to the welding table along the horizontal direction for bearing and moving the opened mask piece, and moves relative to the welding table along the vertical direction for conveying the opened mask piece to the nose bridge strip calibrator fixed on the fixed seat to fix the mask piece and the nose bridge strip; the welding die head is arranged on the nose bridge strip calibrator and used for welding the mask sheet and the nose bridge strip; the welding die head is electrically connected with the control device.

Further, the ultrasonic die comprises an ultrasonic main body and an ultrasonic die head, wherein the ultrasonic main body slides on a vertical rail arranged on the welding table through a vertical servo motor set, a transverse guide rail is arranged at the top of the ultrasonic main body, and the ultrasonic die head slides along the transverse guide rail through a horizontal servo motor set; the vertical servo motor set and the horizontal servo motor set are electrically connected with a control device.

Further, the nose bridge strip calibrator comprises a calibration frame, a folder and a compressor; the shaping frame is fixed on the fixing seat and is in a gantry shape, a nose bridge strip feeding hole is formed in one side wall of the shaping frame, the folder is arranged at the top in the shaping frame, the pressing devices are arranged on two sides of the bottom of the folder, the ultrasonic die head bears the mask piece with the opening and moves to the position below the folder along the vertical direction, after the mask pad is contacted with the nose bridge strip, the ultrasonic die head continues to move upwards until the mask pad is attached to the nose bridge strip, the pressing devices press the mask piece, and the welding die head welds and fixes the mask pad and the nose bridge strip.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic perspective view of a nose bridge welding device for an external nose bridge mask according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of a nose bridge welding device for an external nose bridge mask according to the present invention;

FIG. 4 is a schematic structural diagram illustrating a mask opening station and a welding station;

FIG. 5 the accompanying drawings show a side view of the welding station;

FIG. 6 illustrates a nose bridge shaping apparatus in a structural view;

in the figure: 100-machine table, 200-first grabbing mechanism, 201-base, 202-mechanical arm, 203-mechanical arm, 204-mechanical arm sensor, 300-second grabbing mechanism, 400-mask sheet opening station, 401-support, 402-opening sliding rail, 403-suction sensor, 404-suction cylinder, 500-welding station, 501-ultrasonic mold, 5011-ultrasonic main body, 5012-ultrasonic die head, 5013-transverse guide rail, 502-nose bridge strip shaper, 5021-shaping frame, 5022-folder, 5023-compressor, 503-welding die head, 504-welding table, 600-nose bridge strip fixing frame, 601-fixing base and 602-circular rotating frame.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment of the utility model discloses a nose bridge strip welding device for an external nose bridge strip mask, which is shown in the attached figures 1-6 and specifically comprises the following components: the mask grabbing device comprises a machine table 100, wherein a first grabbing mechanism 200 used for grabbing mask pieces is arranged on one side of the machine table 100, and a second grabbing mechanism 300 used for grabbing a mask behind a nose bridge strip is arranged on the other side of the machine table 100; a mask opening station 400, wherein the mask opening station 400 is arranged at a position, close to the first grabbing mechanism 200, of the machine table 100; a welding station 500, wherein the welding station 500 for welding a nose bridge strip and a mask piece is arranged between the machine table 100 and the second grabbing mechanism 300; and a control device, wherein the control device is installed on the machine table 100, and the first grabbing mechanism 200, the second grabbing mechanism 300, the mask opening station 400 and the welding station 500 are all electrically connected with the control device.

Referring to fig. 2 and 3, the first gripper mechanism 200 and the second gripper mechanism 300 are identical in structure and each include: a base 201, a robot arm 202, a robot 203, and a robot sensor 204; the base 201 is fixed in one side or the other side of board 100, and the arm 202 includes the arm body of multistage servo motor control, and arm 202 one end is rotated on base 201, and the other end is connected with manipulator 203, and manipulator 203 upper portion sets up manipulator sensor 204, and servo motor and manipulator sensor 204 all are connected with controlling means electric connection.

Advantageously, the grabbing side of the manipulator 203 is pasted with an anti-slip soft adhesive layer; or the manipulator 203 is wrapped with an anti-slip soft adhesive layer.

Referring to fig. 4, the mask opening station 400 is provided with a support 401, an opening slide rail 402, an air suction device and an air suction sensor 403; the support 401 is vertically fixed at two sides of the machine table 100, two opening slide rails 402 with a certain distance formed in the middle are symmetrically arranged at the top of the support, and each opening slide rail 402 is connected with an air suction device in a sliding manner; the inhalation device is provided with an inhalation sensor 403; the air suction device and the air suction sensor 403 are both electrically connected with the control device.

Advantageously, the suction device is a suction cylinder 404, and a suction port of the suction cylinder 404 faces to the middle of the machine 100.

In an embodiment of the present invention, the nose bridge fixing frame 600 further includes a nose bridge fixing frame 600, the nose bridge fixing frame 600 includes a fixing base 601 and a circular rotating frame 602, the fixing base 601 is fixed on the welding station 500, and the circular rotating frame 602 rotates on the top of the fixing base 601, on which the nose bridge is wound.

Referring to fig. 4, an ultrasonic mold 501, a nose bridge shaping device 502, a welding die head 503 and a welding table 504 are arranged on the welding station 500; the welding table 504 is located beside the machine table 100, the ultrasonic die 501 moves horizontally relative to the welding table 504 to bear and move the opened mask piece, and moves vertically relative to the welding table 504 to send the opened mask piece to the nose bridge shaping device 502 fixed on the fixed seat 601 to fix the mask piece and the nose bridge; the welding die head 503 is arranged on the nose bridge strip shaper 502 and is used for welding the mask sheet and the nose bridge strip; the welding die 503 is electrically connected to the control device. The welding die head 503 comprises a control circuit and a welding head, wherein the front end of the welding head is provided with texture protrusions and is used for punching and fixing a nose bridge strip on the mask; the control line is pneumatic or electric, and the control line is an air pipe and a tail end cylinder during pneumatic operation, and the air cylinder controls the welding head to act; when the electric welding machine is powered on, the electric welding machine is provided with a wire and a servo motor, and the servo motor controls the welding head to act.

Referring to fig. 5, the ultrasonic die 501 includes an ultrasonic main body 5011 and an ultrasonic die 5012, the ultrasonic main body 5011 slides on a vertical rail 5041 arranged on the welding table 504 through a vertical servo motor set, a transverse guide rail 5013 is arranged on the top of the ultrasonic main body 5011, and the ultrasonic die 5012 slides along the transverse guide rail 5013 through a horizontal servo motor set; the vertical servo motor set and the horizontal servo motor set are electrically connected with the control device.

Referring to fig. 6, the nose bridge strip shaper 502 includes a shaping frame 5021, a folder 5022, and a compressor 5023; the setting frame 5021 is fixed on the fixing base 601, the setting frame 5021 is gantry-shaped, a nose bridge feed inlet 5024 is formed in one side wall of the setting frame 5021, the folder 5022 is arranged at the top of the setting frame 5021, the pressing devices 5023 are arranged on two sides of the bottom of the folder 5022, the ultrasonic die head 5012 bears the mask piece with the opening and moves to the lower portion of the folder 5022 along the vertical direction, after the mask pad is contacted with the nose bridge, the ultrasonic die head 5012 continues to move upwards until the mask pad is attached to the nose bridge, the pressing devices 5023 are pressed tightly, and the welding die head 503 is used for welding and fixing the mask pad and the nose bridge.

The folder 5022 is a folding arm with a downward opening and a V-shaped unfolding, the tail end of the folding arm is provided with a roller, and the folding arm is connected with the shaping frame through three groups of springs. The compactor consists of two groups of compacting rollers and two groups of compacting springs which are symmetrically arranged, one end of each compacting spring is fixed on the shaping frame, and the other end of each compacting spring is connected with the compacting rollers. The nose bridge strip feeding hole is provided with a groove for the nose bridge strip to enter and a pressure stabilizing wheel; set up horn mouth form bridge of the nose strip location mouth behind the bridge of the nose strip feed inlet for let the accurate fixed gesture of bridge of the nose strip that gets into and keep fixed position.

The existing technology does not have a full-automatic wiring technology of an external nose bridge strip folding type mask, and the main problem is that the original operation logic and mechanical parts can be greatly changed by inserting a nose bridge strip welding technology in the mature technological link of a folding type mask machine, and a mask piece coming out of the folding type mask machine cannot automatically enter the existing semi-automatic nose bridge strip welding device. The utility model provides a nose bridge strip welding method for an external nose bridge strip mask, which comprises the following steps:

s1, after the mask piece is conveyed out from the piece outlet at the tail end of the mask machine, the first grabbing mechanism clamps the mask piece with the left piece and the right piece closed together;

s2, clamping the mask to a mask opening station by a first grabbing mechanism for slightly stopping, and separating the left mask from the right mask in an air suction mode to enable the mask to be embedded into the ultrasonic module after opening;

s3, moving the mask sheet to a welding station; after the mask is fixed and stable, the first grabbing mechanism is loosened to return to the original point to continue waiting for clamping the mask;

s4, automatically feeding and cutting off the nose bridge strip, and moving the mask to a welding station to weld the top of the mask with the nose bridge strip;

and S5, the second grabbing mechanism clamps the welded mask and moves to a next process preparation position.

The welding method provided by the utility model specifically comprises the following steps of clamping a mask, opening the mask, welding a nose bridge strip and clamping the mask, and the specific technological process comprises the following steps:

the mask body sheet (with or without a valve) without welding a nose bridge strip is fully automatically formed in a mask machine; the gauze mask piece is followed the terminal piece mouth conveying of play of gauze mask machine and is come out the back, first mechanism of snatching discerns and cliies gauze mask body piece through mechanical hand sensor, first mechanism of snatching makes the stop before pressing from both sides the nose bridge strip welding set with the gauze mask slightly, breathe in the cylinder through the volume production and open the lower border of gauze mask, then remove the gauze mask and place on the ultrasonic wave die head among the nose bridge strip welding set, first mechanism of snatching after the gauze mask is fixed stable unclamps and gets back to original point and continue to wait for to press from both sides and get the gauze mask, the ultrasonic wave die head is carrying the gauze mask and is prepared the position by transverse guide lateral shifting to the welding. The ultrasonic wave die head is carrying the gauze mask and is rising along vertical direction, with gauze mask rebound to bridge of the nose strip fixing device's station, is provided with the sensor on the design frame for discern the gauze mask and get into weldment work position, when the gauze mask entered into, bridge of the nose strip automatic feed was cut off (cutting device can adopt current cutting off cutter), and bridge of the nose strip section is arranged in accurate location between bridge of the nose strip feed inlet and the bridge of the nose strip location gauze mask. Ultrasonic wave mould head moves gauze mask piece rebound, gauze mask welding area contacts the bridge of the nose strip earlier, then ultrasonic wave die head continues rebound, drive gauze mask promotion bridge of the nose strip, through bridge of the nose strip scray ware and bridge of the nose strip squeezer with bridge of the nose strip extrusion deformation, when ultrasonic wave die head rebound to the terminal point, bridge of the nose strip scray the bridge of the nose strip jointly with bridge of the nose strip squeezer and paste on gauze mask welding area cloth surface, the back targets in place, ultrasonic wave die head rebound stops, after the time delay, bridge of the nose strip bonding tool promotes from both sides to the punching press of welding point position removal through pneumatics or servo motor, and then make bridge of the nose strip fixed.

The welding of the completion back bridge of the nose strip welding head returns the initial point, and bridge of the nose strip scratcher and bridge of the nose strip collet loosen jointly, and the gauze mask that the bridge of the nose strip was welded in ultrasonic die head bearing moves down to the welding and prepares the position, then transversely shifts out the welding and prepares the position. The second grabbing mechanism identifies and clamps the welded mask through a mechanical hand sensor, and moves to a work preparation position of the next procedure after clamping, such as a material conveying belt inlet of a pillow type packaging machine or a mask finished product box of a manual packaging workbench.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. The utility model provides an external nose bridge strip welding set for gauze mask which characterized in that includes:

the mask grabbing device comprises a machine table (100), wherein a first grabbing mechanism (200) used for grabbing mask pieces is arranged on one side of the machine table (100), and a second grabbing mechanism (300) used for grabbing a mask behind a welded nose bridge strip is arranged on the other side of the machine table (100);

a mask sheet opening station (400), wherein the mask sheet opening station (400) is arranged on the machine table (100) close to the first grabbing mechanism (200);

a welding station (500), wherein the welding station (500) for welding a nose bridge strip and a mask piece is arranged between the machine table (100) and the second grabbing mechanism (300);

and the control device is arranged on the machine table (100), and the first grabbing mechanism (200), the second grabbing mechanism (300), the mask opening station (400) and the welding station (500) are electrically connected with the control device.

2. The device for welding a nose bridge for an external nose bridge mask according to claim 1, wherein the first grasping mechanism (200) and the second grasping mechanism (300) are identical in structure and each comprise: a base (201), a mechanical arm (202), a mechanical arm (203) and a mechanical arm sensor (204); the base (201) is fixed in one side or the other side of board (100), arm (202) include the arm body of multistage servo motor control, arm (202) one end rotate in on base (201), the other end is connected with manipulator (203), manipulator (203) upper portion sets up manipulator sensor (204), servo motor with manipulator sensor (204) all with controlling means electric connection.

3. The nose bridge welding device for the external nose bridge mask according to claim 2, wherein the grabbing side of the manipulator (203) is adhered with an anti-slip soft adhesive layer; or the manipulator (203) is wrapped with an anti-slip soft rubber layer.

4. The nose bridge welding device for the external nose bridge mask according to claim 1, wherein the mask piece opening station (400) is provided with a support (401), an opening slide rail (402), an air suction device and an air suction sensor (403); the support (401) is vertically fixed at two sides of the machine table (100), two opening slide rails (402) with a certain distance formed in the middle are symmetrically arranged at the top of the support, and each opening slide rail (402) is connected with one air suction device in a sliding manner; the air suction device is provided with an air suction sensor (403); the air suction device and the air suction sensor (403) are both electrically connected with the control device.

5. The welding device of nose bridge for external nose bridge mask according to claim 4, wherein the air suction device is an air suction cylinder (404), and an air suction port of the air suction cylinder (404) faces to the middle of the machine table (100).

6. The welding device for the nose bridge bar of the external nose bridge bar mask according to claim 1, further comprising a nose bridge bar fixing frame (600), wherein the nose bridge bar fixing frame (600) comprises a fixing base (601) and a circular rotating frame (602), the fixing base (601) is fixed on the welding station (500), and the circular rotating frame (602) rotates on the top of the fixing base (601) and is wound with the nose bridge bar.

7. The nose bridge welding device for the external nose bridge mask according to claim 6, wherein the welding station (500) is provided with an ultrasonic mold (501), a nose bridge shaper (502), a welding die head (503) and a welding table (504); the welding table (504) is located beside the machine table (100), the ultrasonic die (501) moves relative to the welding table (504) along the horizontal direction for bearing and moving the opened mask piece, and moves relative to the welding table (504) along the vertical direction for conveying the opened mask piece to the nose bridge strip calibrator (502) fixed on the fixed seat (601) to fix the mask piece and the nose bridge strip; the welding die head (503) is arranged on the nose bridge strip calibrator (502) and is used for welding the mask sheet and the nose bridge strip; the welding die head (503) is electrically connected with the control device.

8. The device for welding the nose bridge strip for the external nose bridge mask according to claim 7, wherein the ultrasonic die (501) comprises an ultrasonic main body (5011) and an ultrasonic die head (5012), the ultrasonic main body (5011) slides on a vertical rail (5041) arranged on the welding table (504) through a vertical servo motor set, a transverse guide rail (5013) is arranged at the top of the ultrasonic main body (5011), and the ultrasonic die head (5012) slides along the transverse guide rail (5013) through a horizontal servo motor set; the vertical servo motor set and the horizontal servo motor set are electrically connected with a control device.

9. The welding device of nose bridge strip for external nose bridge strip mask according to claim 8, wherein the nose bridge strip shaper (502) comprises a shaper (5021), a folder (5022) and a compressor (5023); the shaping frame (5021) is fixed on the fixing seat (601) and is in a gantry shape, a nose bridge strip feeding port (5024) is formed in one side wall of the shaping frame (5021), the folder (5022) is arranged at the top of the inner portion of the shaping frame (5021), the pressing device (5023) is arranged on two sides of the bottom of the folder (5022), the mask piece of the ultrasonic die head (5012) bearing the opening moves to the position below the folder (5022) along the vertical direction, after the mask pad is in contact with the nose bridge strip, the ultrasonic die head (5012) continues to move upwards until the mask pad is attached to the nose bridge strip, the pressing device (5023) compresses tightly, and the welding die head (503) welds and fixes the mask pad and the nose bridge strip.

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