Fish-shaped mask welding breathing valve device

Abstract

The present invention belongs to the technical field of mask processing, and in particular, relates to a fish-shaped mask welding breathing valve device, which includes a frame, a conveying and positioning mechanism, a cutting mechanism, a welding mechanism, a flipping and picking mechanism, and a traction mechanism. A bracket is provided on the frame. The conveying and positioning mechanism is arranged on the frame, and is used to convey and position the breathing valve. The cutting mechanism is arranged on the frame, and is used to cut the welding port of the breathing valve of the mask. The welding mechanism is arranged on the bracket, and the welding mechanism is provided with a downward welding head, which is used to weld the breathing valve at the cutting position of the mask. The flipping and picking mechanism includes a flipping mechanism and a picking welding mechanism, and the flipping mechanism is arranged on the frame. The picking welding mechanism is arranged at the rotating end of the flipping mechanism, and the flipping mechanism drives the picking welding mechanism to pick up the breathing valve in the conveying and positioning mechanism and flip it at the bottom of the welding head. The traction mechanism is arranged on the frame, and is used to pull the mask through the bottom of the cutting mechanism and the welding mechanism in sequence.

Description

Technical Field

[0001] The invention belongs to the technical field of mask forming machinery, and in particular relates to a fish-shaped mask welding breathing valve device. Background Art

[0002] Masks are used for medical protection. Currently, masks are mainly divided into disposable medical masks, surgical masks, N95 masks and fish-shaped masks. Some existing masks are equipped with breathing valves to increase the comfort of breathing. The breathing valve is welded on the mask by ultrasonic welding. The current mask welding breathing valve is to cut the masks into shape one by one, and then position the masks one by one on the turntable machine. The turntable machine will punch, valve and weld the masks in turn. After welding, the masks are taken out and transferred to the ear strap welding machine to weld the ear straps. However, cutting the masks one by one and then positioning them on the turntable will increase the process, thereby increasing the processing time, reducing efficiency and increasing costs; and increase the cost of mask forming equipment. Summary of the invention

[0003] The purpose of the present invention is to provide a fish-shaped mask welding breathing valve device, aiming to solve the problem of high cost and low efficiency of existing mask breathing valve welding.

[0004] To achieve the above purpose, an embodiment of the present invention provides a fish-shaped mask welding breathing valve device, which is arranged on a fish-shaped mask forming machine and includes:

[0005] A frame, wherein a bracket is provided on the frame;

[0006] A conveying and positioning mechanism, arranged on the frame, for conveying and positioning the breathing valve;

[0007] A cutting mechanism, arranged on the frame, used for cutting the welding port of the breathing valve of the mask;

[0008] A welding mechanism is arranged on the bracket, and the welding mechanism is provided with a downwardly facing welding head for welding the breathing valve at the cutout position of the mask;

[0009] A flipping and picking mechanism, comprising a flipping mechanism and a picking welding mechanism, wherein the flipping mechanism is arranged on the frame, the picking welding mechanism is arranged at the rotating end of the flipping mechanism, and the picking welding mechanism is located between the welding head of the welding mechanism and the conveying and positioning mechanism, and the flipping mechanism drives the picking welding mechanism to pick up the breathing valve in the conveying and positioning mechanism and flip it to the bottom of the welding head; and

[0010] The traction mechanism is arranged on the frame and is used for pulling the mask to pass through the bottom of the cutting mechanism and the welding mechanism in sequence.

[0011] Furthermore, the cutting mechanism includes a support seat, a die seat, a punching seat, a punching cylinder, a punch and a discharge pipe; the support seat is arranged on the frame, the die seat is arranged on the support seat, the bottom of the die seat is provided with a blanking hole, and the discharge pipe is arranged at the bottom end of the blanking hole; the punching seat is arranged on the die seat, the punching seat is provided with a material passing trough, the top of the punching seat is provided with a guide hole passing through the material passing trough, and the bottom of the punching seat is provided with a punching hole passing through the material passing trough; the punching cylinder is arranged on the punching seat, the punch is arranged in the guide hole and is connected to the punching cylinder.

[0012] Furthermore, a welding mechanism is also provided on the frame for welding a reinforcement ring at the punching position of the mask; the welding mechanism includes a mounting frame, a second support seat, an ultrasonic welding machine, a first lifting mechanism and a welding mold; the mounting frame is arranged on the frame, the second support seat is arranged on the mounting frame, the ultrasonic welding machine is arranged at the bottom of the mounting frame, and the welding head of the ultrasonic welding machine faces upward and passes through the top plate of the mounting frame; the first lifting mechanism is arranged on the second support seat, the welding mold is arranged at the bottom end of the first lifting mechanism, and an annular forming portion is arranged at the end of the welding mold.

[0013] Furthermore, the picking-up welding mechanism includes a mounting plate, a second lifting mechanism, a positioning sleeve, an air pipe and a suction cup; the mounting plate is arranged on the rotating part of the flipping mechanism; the second lifting mechanism is arranged on the mounting plate, and the telescopic end passes through the mounting plate; the positioning sleeve is arranged at the telescopic end of the second lifting mechanism, the air pipe is arranged in the positioning sleeve, the suction cup is arranged at the lower end of the air pipe, and the upper end of the air pipe is connected to the negative pressure system pipeline; the flipping mechanism drives the positioning sleeve with the breathing valve toward the welding mold of the welding mechanism, and the second lifting mechanism pushes the positioning sleeve to rise, and the positioning sleeve presses the breathing valve on the mask, so that the welding mechanism welds the breathing valve on the mask.

[0014] Furthermore, one side of the positioning sleeve is also provided in the air avoidance groove, and a connecting plate is also provided on one side of the positioning sleeve located at the air avoidance groove. A connecting block is provided at the upper end of the air pipe, and the connecting block is connected to the connecting plate; a limiting portion is also provided at the free end of the positioning sleeve, and a positioning hole is provided on the limiting portion, and the suction cup is positioned in the positioning hole.

[0015] Furthermore, the flipping and picking mechanism also includes a positioning mechanism, which is arranged on one side of the flipping mechanism and is used to position the mounting plate.

[0016] Furthermore, there are two groups of positioning mechanisms, which are arranged opposite to each other; the positioning mechanism includes a fixed plate, a telescopic cylinder, a guide rod and a positioning card plate; the fixed plate is arranged on the frame, or is fixedly connected to the support seat of the flipping mechanism, the telescopic cylinder is arranged on the outer side of the fixed plate, and the piston rod passes through the fixed plate, the positioning card plate is arranged on the piston rod of the telescopic cylinder, and the positioning card plate is provided with two clamping parts on the side of the positioning card plate facing the mounting plate, and the two clamping parts form a clamping groove; the two guide rods are connected to the positioning card plate and slide through the fixed plate.

[0017] Furthermore, the picking and welding mechanisms are provided in two groups, and are relatively arranged on the upper and lower sides of the rotating part of the flipping mechanism.

[0018] Furthermore, the flipping mechanism includes two rotating support seats, a rotating member and a rotating driving member; the two rotating support seats are relatively arranged on both sides of the conveying and positioning mechanism, the rotating member is rotatably connected between the two rotating support seats, and the rotating driving member is arranged on one of the rotating support seats to drive the rotating member to rotate; the picking and welding mechanism is arranged on the rotating member.

[0019] Furthermore, the picking and welding mechanisms are provided in two groups, and are relatively arranged on the upper and lower sides of the rotating member.

[0020] Furthermore, a positioning mechanism is also provided on the rotating support seat for positioning the picking-up welding mechanism toward the welding mechanism.

[0021] Furthermore, the welding mechanism includes a third support frame, an ultrasonic welding machine and a welding mold; the third support frame is arranged on the bracket, the ultrasonic welding machine is arranged on the third support frame, the welding mold is arranged at the welding end of the ultrasonic welding machine, and the bottom of the welding mold is provided with a plurality of welding teeth arranged in a ring shape.

[0022] Furthermore, the conveying and positioning mechanism includes a vibrating loading tray, two vertical plates and a belt conveying mechanism; the vibrating loading tray is arranged on one side of the frame, the two vertical plates are arranged on the frame opposite to each other, and the belt conveying mechanism is arranged between the two vertical plates; a positioning plate is also provided at the end of the vertical plate away from the vibrating loading tray, and a positioning portion is provided at the end of the positioning plate; an angle adjustment rotating member is also passed through the bottom of the positioning plate for adjusting the position of the breathing valve; a photoelectric switch for detecting the position of the breathing valve is provided at the end of the vertical plate.

[0023] Furthermore, the frame is also provided with a translation adjustment mechanism, and the conveying and positioning mechanism, the cutting mechanism and the flipping and picking mechanism are arranged on the translation adjustment mechanism.

[0024] The above one or more technical solutions in the fish-shaped mask welding breathing valve device provided by the embodiment of the present invention have at least the following technical effects:

[0025] 1. The welding breathing valve device can be arranged between the folding process and the welding forming process of the fish-shaped mask forming machine, and the whole mask can be pulled to move by the traction device; when the mask moves to the position of the incision mechanism, the incision mechanism punches a circular hole on the mask. After the incision is completed, it is gradually transported to the welding mechanism position, and the breathing valve in the conveying positioning mechanism is picked up by the picking welding mechanism, and then the picking welding mechanism is driven by the flipping mechanism to flip 180°, so that the breathing valve is located at the bottom of the incision of the mask, and the breathing valve is welded to the outside of the mask by the welding mechanism and the picking welding mechanism. After welding, it is directly pulled to the folding mechanism, the nose wire welding mechanism and the ear strap welding mechanism, so that the welding breathing valve and the mask forming, the mask folding, the nose wire welding, and the ear strap welding are completed continuously, so that the continuity of the mask forming is achieved, and the production efficiency of the mask forming and the welding breathing valve is improved; instead of the existing need to position the formed single mask on the turntable machine, the turntable machine drives the mask to complete the incision welding breathing valve solution one by one, so the equipment and production costs are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 This is a structural diagram of a fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0028] Figure 2 A structural diagram of the incision mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0029] Figure 3 A cross-sectional view of the incision mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0030] Figure 4 A structural diagram of the welding structure of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0031] Figure 5 A structural diagram of the flipping and picking mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0032] Figure 6 A cross-sectional view of the flipping and picking mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0033] Figure 7 A structural diagram of the flipping mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0034] Figure 8 A structural diagram of the welding structure of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0035] Fig. 9 This is a structural diagram of the conveying and positioning mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention.

[0036] Fig.10 A partial structural diagram of the positioning mechanism of the fish-shaped mask welding breathing valve device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0038] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0041] In one embodiment of the present invention, referring to Figure 1 to Figure 4 A device for welding a breathing valve of a fish-shaped mask is provided on a fish-shaped mask forming machine, and includes: a frame 100, a conveying and positioning mechanism 200, a cutting mechanism 300, a welding mechanism 400, a flipping and picking mechanism 500, and a traction mechanism (not shown in the drawings). Wherein: a bracket 110 is provided on the frame. The conveying and positioning mechanism 200 is provided on the frame 100, and is used for conveying and positioning the breathing valve. The cutting mechanism 300 is provided on the frame 100, and is used for cutting the welding port of the breathing valve of the mask. The welding mechanism 400 is provided on the bracket 110, and the welding mechanism 400 is provided with a downward welding head, which is used for welding the breathing valve at the cutting position of the mask. The flipping and picking mechanism 500 includes a flipping mechanism 510 and a picking and welding mechanism 520, and the flipping mechanism 510 is provided on the frame 100. The pick-up welding mechanism 400 is arranged at the rotating end of the flipping mechanism 510, and the pick-up welding mechanism 520 is located between the welding head of the welding mechanism 400 and the conveying and positioning mechanism 200. The flipping mechanism 500 drives the pick-up welding mechanism 520 to pick up the breathing valve in the conveying and positioning mechanism 200 and flip it at the bottom of the welding head. The traction mechanism is arranged on the frame 100, and is used to pull the mask through the cutting mechanism 300 and the bottom of the welding mechanism 400 in sequence.

[0042] In this embodiment, the welding breathing valve device can be set between the folding process and the welding forming process of the fish-shaped mask forming machine, and the whole mask cloth is pulled to move by the traction device; the overall shape of the whole mask is welded on the raw material of the mask by the forming mechanism, and when the mask after welding is moved to the position of the cutting mechanism 300, the cutting mechanism 300 punches a round hole on the mask. After the cutting is completed, it is gradually transported to the bottom position of the welding mechanism 400, and the breathing valve in the conveying and positioning mechanism 200 is picked up by the picking welding mechanism 520, and then the picking welding mechanism 520 is driven by the flipping mechanism 510 to flip 18 0°, so that the breathing valve is located at the bottom end of the incision of the mask, and then the welding mechanism 400 and the picking welding mechanism 520 weld the breathing valve to the outside of the mask. After welding, it is directly pulled to the folding mechanism, the nose wire welding mechanism and the ear strap welding mechanism, so that the welding of the breathing valve and the mask forming, the mask folding, the nose wire welding, and the ear strap welding are completed continuously, so that the continuity of the mask forming is improved, and the production efficiency of the mask forming and the welding of the breathing valve is improved; instead of the existing need to position the formed single mask on the turntable machine, the turntable machine drives the mask to complete the incision welding breathing valve solution one by one, so the cost of equipment and production is reduced.

[0043] Further, refer to Figure 2 and Figure 3 The cutting mechanism 300 includes a support seat 310, a die seat 320, a punching seat 330, a punching cylinder 340, a punch 350 and a discharge pipe 360. The support seat 310 is arranged on the frame 100, the die seat 320 is arranged on the support seat 310, a blanking hole 321 is arranged at the bottom of the die seat 320, and the discharge pipe 360 ​​is arranged at the bottom end of the blanking hole 321. The punching seat 330 is arranged on the die seat 320, a material passing groove 331 is arranged on the punching seat 330, a guide hole (not shown in the figure) penetrating to the material passing groove 331 is arranged at the top of the punching seat 330, and a punching hole 332 penetrating to the material passing groove 331 is arranged at the bottom of the punching seat 330. The punching cylinder 340 is disposed on the punching seat 330, and the punch 350 is disposed in the guide hole and connected to the punching cylinder 340. In this embodiment, the fabric formed with the mask passes through the material trough 331, and the punch 350 is driven down by the punching cylinder 340. Under the action of the punch 350 and the blanking punching hole 332, a through hole is punched on the mask. After punching, the tail material falls into the discharge pipe 360 ​​through the blanking hole 311 and is discharged.

[0044] Further, refer to Figure 1 and Figure 4, the frame 100 is also provided with a welding mechanism 370 for welding a circle of reinforcement ring at the punching position of the mask. The welding mechanism 370 includes a mounting frame 371, a second support seat 372, an ultrasonic welding machine 373, a first lifting mechanism 374 and a welding mold 375. The mounting frame 371 is arranged on the frame 100, the second support seat 372 is arranged on the mounting frame 371, the ultrasonic welding machine 373 is arranged at the bottom of the mounting frame 371, and the welding head of the ultrasonic welding machine 373 faces upward and passes through the top plate of the mounting frame 371. The first lifting mechanism 374 is arranged on the second support seat 372, the welding mold 375 is arranged at the bottom end of the first lifting mechanism 374, and the end of the welding mold 375 is provided with a ring-shaped forming portion. In this embodiment, a reinforcement ring is pre-welded at the position where the mask needs to be punched to avoid burrs on the incision and looseness during punching, thereby improving the quality of the mask. Specifically, the first lifting mechanism 374 presses down the welding mold 375 to press the mask tightly against the welding head of the ultrasonic welding machine 373. Under the action of the ultrasonic welding machine 373 and the welding mold 375, a reinforcement ring is welded on the mask.

[0045] Further, refer to Figure 5 and Figure 6 The pick-up welding mechanism 520 includes a mounting plate 521, a second lifting mechanism 522, a positioning sleeve 523, an air pipe 524 and a suction cup 525. The mounting plate 521 is arranged on the rotating part of the flip mechanism 510. The second lifting mechanism 522 is arranged on the mounting plate 521, and the telescopic end passes through the mounting plate 521. The positioning sleeve 523 is arranged at the telescopic end of the second lifting mechanism 522, the air pipe 524 is arranged in the positioning sleeve 523, the suction cup 525 is arranged at the lower end of the air pipe 524, and the upper end of the air pipe 524 is connected to the negative pressure system pipeline. The flip mechanism 510 drives the positioning sleeve 523 with the breathing valve picked up toward the welding mold of the welding mechanism 400, and the second lifting mechanism 522 pushes the positioning sleeve 523 to rise, and the positioning sleeve 523 presses the breathing valve on the mask, so that the welding mechanism 400 welds the breathing valve on the mask. In this embodiment, the second lifting mechanism 522 drives the positioning sleeve 523 to descend, so that the positioning sleeve 523 is sleeved on the breathing valve, and the negative pressure system causes the suction cup 525 to absorb the breathing valve. The flipping mechanism 510 drives the mounting plate 521 to flip, so that the breathing valve faces upward, and then the second lifting mechanism 522 drives the breathing valve to fit the mouth of the mask. When the welding mechanism 400 is working, the breathing valve is welded to the mask, and the breathing valve welding of the mask is completed.

[0046] Further, refer to Figure 6One side of the positioning sleeve 523 is also provided in the air avoidance groove 526, and the positioning sleeve 523 is also provided with a connecting plate 527 on one side of the air avoidance groove 526. The upper end of the air pipe 524 is provided with a connecting block 528, and the connecting block 528 is connected to the connecting plate 527; the free end of the positioning sleeve 523 is also provided with a limiting portion 529, and the limiting portion is provided with a positioning hole, and the suction cup 525 is positioned in the positioning hole.

[0047] Further, refer to Figure 7 The flipping and picking mechanism 500 further includes a positioning mechanism 530, which is disposed on one side of the flipping mechanism 510 and is used to position the mounting plate 521. In this embodiment, when the positioning sleeve 523 picks up the breathing valve and faces upward, the mounting plate 521 is positioned by the positioning mechanism 530, thereby positioning the breathing valve and improving the position accuracy of the breathing valve welded on the mask.

[0048] Further, refer to Figure 5 to Figure 7 The number of the positioning mechanisms 530 is two groups, and they are arranged opposite to each other. The two groups of positioning mechanisms 530 are used to position the mounting plate 521, thereby ensuring the stability of positioning and ensuring that when the second lifting mechanism 522 pushes the breathing valve to press against the bottom of the welding mechanism 400, the mounting plate 521 is subjected to balanced force, thereby ensuring the accuracy of positioning. The positioning mechanism 530 includes a fixing plate 531, a telescopic cylinder 532, a guide rod 533, and a positioning clamping plate 534. The fixing plate 531 is arranged on the frame 100, or is fixedly connected to the support seat of the flip mechanism 510. The telescopic cylinder 532 is arranged on the outer side of the fixing plate 531, and the piston rod passes through the fixing plate 531. The positioning clamping plate 534 is arranged on the piston rod of the telescopic cylinder 532. The positioning clamping plate 534 is provided with two clamping parts 535 on the side facing the mounting plate 521, and the two clamping parts form a clamping groove 536. The two guide rods 533 are connected to the positioning clamping plate 534 and slide through the fixing plate 531. In this embodiment, the positioning clamping plate 534 is pushed by the telescopic cylinder 532, so that the clamping groove 536 is clamped with one end of the mounting plate 521, so as to achieve the role of positioning and supporting the mounting plate 521.

[0049] Further, refer to Figure 5 and Figure 7 The number of the pick-up welding mechanisms 520 is two, and they are relatively arranged on the upper and lower sides of the rotating member of the flipping mechanism 510. In this embodiment, the flipping mechanism 510 drives the two pick-up welding mechanisms 520 to alternately pick up the breathing valve and weld it to the mask, thereby improving the welding efficiency.

[0050] Further, refer to Figure 7, the flipping mechanism 510 includes two rotating support seats 511, a rotating member 512 and a rotating driving member 513. The two rotating support seats 511 are relatively arranged on both sides of the conveying and positioning mechanism 200, the rotating member 512 is rotatably connected between the two rotating support seats 511, and the rotating driving member 513 is arranged on one of the rotating support seats 511, and is used to drive the rotating member 512 to rotate. The picking and welding mechanism 520 is arranged on the rotating member 512. In this embodiment, the rotating member 512 is driven to rotate by the rotating driving member 513, so as to drive the picking and welding mechanism 520 to flip. Further, the rotating driving member 513 is a motor assembly.

[0051] Further, refer to Figure 8 , the welding mechanism 400 includes a third support frame 401, an ultrasonic welding machine 402 and a welding mold 403. The third support frame 401 is arranged on the bracket 110, the ultrasonic welding machine 402 is arranged on the third support frame 401, the welding mold 403 is arranged at the welding end of the ultrasonic welding machine 402, and the bottom of the welding mold 403 is provided with a plurality of welding teeth 404 arranged in a ring shape. In this embodiment, the welding mold 403 is driven by the ultrasonic welding machine 402 to achieve welding of the breathing valve on the mask. During the welding process, since the welding teeth 404 are arranged at the bottom of the welding mold 403, the energy transfer of the ultrasonic welding machine 402 is more concentrated, which is convenient for firmly and stably welding the breathing valve on the mask.

[0052] Further, refer to Fig. 9 and Fig.10 , the conveying and positioning mechanism 200 includes a vibrating loading tray 201, two vertical plates 202 and a belt conveying mechanism 203. The vibrating loading tray 201 is arranged on one side of the frame 100, the two vertical plates 202 are arranged on the frame 100 relatively, and the belt conveying mechanism 203 is arranged between the two vertical plates 202; a positioning plate 204 is also provided at one end of the vertical plate 202 away from the vibrating loading tray 201, and a positioning portion 205 is provided at the end of the positioning plate 204; an angle adjustment rotating member 206 is also penetrated at the bottom of the positioning plate 204 for adjusting the position of the breathing valve; a photoelectric switch 207 for detecting the position of the breathing valve is provided at the end of the vertical plate 202. In this embodiment, the breathing valves are transported one by one to the belt conveying mechanism 203 by the vibrating loading tray 201, and the belt conveying mechanism 203 transfers the breathing valves to the positioning plate 204, and positions the breathing valves by the positioning portion 205. Therefore, the breathing valve on the positioning plate 204 can be picked up by the picking welding mechanism 520. When the breathing valve needs to be aligned, the photoelectric switch 207 detects the mouth position of the breathing valve, and the position of the breathing valve is adjusted by the angle adjustment rotating member 206, so that the welding position of each breathing valve is consistent.

[0053] Furthermore, the frame 100 is also provided with a translation adjustment mechanism 120. The conveying and positioning mechanism 200, the cutting mechanism 300 and the flipping and picking mechanism 500 are arranged on the translation adjustment mechanism 120. The positions of the conveying and positioning mechanism 200, the cutting mechanism 300 and the flipping and picking mechanism 500 are adjusted by the translation adjustment mechanism 120, so as to adjust the welding position of the breathing valve and ensure the welding accuracy of the breathing valve.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fish-shaped mask welding breathing valve device, arranged on a fish-shaped mask forming machine, characterized in that: include: A frame, wherein a bracket is provided on the frame; A conveying and positioning mechanism, arranged on the frame, for conveying and positioning the breathing valve; A cutting mechanism, arranged on the frame, used for cutting the welding port of the breathing valve of the mask; A welding mechanism is arranged on the bracket, and the welding mechanism is provided with a downwardly facing welding head for welding the breathing valve at the cutout position of the mask; A flipping and picking mechanism, comprising a flipping mechanism and a picking welding mechanism, wherein the flipping mechanism is arranged on the frame, the picking welding mechanism is arranged at the rotating end of the flipping mechanism, and the picking welding mechanism is located between the welding head of the welding mechanism and the conveying and positioning mechanism, and the flipping mechanism drives the picking welding mechanism to pick up the breathing valve in the conveying and positioning mechanism and flip it to the bottom of the welding head; and A traction mechanism is arranged on the frame, and is used to pull the mask through the bottom of the cutting mechanism and the welding mechanism in sequence; the picking welding mechanism includes a mounting plate, a second lifting mechanism, a positioning sleeve, an air pipe and a suction cup; the mounting plate is arranged on the rotating part of the flipping mechanism; the second lifting mechanism is arranged on the mounting plate, and the telescopic end passes through the mounting plate; the positioning sleeve is arranged at the telescopic end of the second lifting mechanism, the air pipe is arranged in the positioning sleeve, the suction cup is arranged at the lower end of the air pipe, and the upper end of the air pipe is connected to the negative pressure system pipeline; the flipping mechanism drives the positioning sleeve with the breathing valve toward the welding mold of the welding mechanism, and the second The lifting mechanism pushes the positioning sleeve to rise, and the positioning sleeve presses the breathing valve on the mask, so that the welding mechanism welds the breathing valve on the mask; the flipping mechanism includes two rotating support seats, a rotating member and a rotating driving member; the two rotating support seats are relatively arranged on both sides of the conveying and positioning mechanism, and the rotating member is rotatably connected between the two rotating support seats, and the rotating driving member is arranged on one of the rotating support seats for driving the rotating member to rotate; the picking and welding mechanism is arranged on the rotating member; the frame is also provided with a translation adjustment mechanism, and the conveying and positioning mechanism, the incision mechanism and the flipping and picking mechanism are arranged on the translation adjustment mechanism.

2. The fish-shaped mask welding breathing valve device according to claim 1 is characterized in that: The incision mechanism includes a support seat, a die seat, a punching seat, a punching cylinder, a punch and a discharge pipe; the support seat is arranged on the frame, the die seat is arranged on the support seat, the bottom of the die seat is provided with a blanking hole, and the discharge pipe is arranged at the bottom end of the blanking hole; the punching seat is arranged on the die seat, the punching seat is provided with a material passing trough, the top of the punching seat is provided with a guide hole penetrating to the material passing trough, and the bottom of the punching seat is provided with a punching hole penetrating to the material passing trough; the punching cylinder is arranged on the punching seat, the punch is arranged in the guide hole and is connected to the punching cylinder.

3. The fish-shaped mask welding breathing valve device according to claim 1 or 2, characterized in that: The frame is also provided with a welding mechanism for welding a reinforcement ring at the punching position of the mask; the welding mechanism includes a mounting frame, a second support seat, an ultrasonic welding machine, a first lifting mechanism and a welding mold; the mounting frame is arranged on the frame, the second support seat is arranged on the mounting frame, the ultrasonic welding machine is arranged at the bottom of the mounting frame, and the welding head of the ultrasonic welding machine faces upward and passes through the top plate of the mounting frame; the first lifting mechanism is arranged on the second support seat, the welding mold is arranged at the bottom end of the first lifting mechanism, and an annular forming portion is arranged at the end of the welding mold.

4. The fish-shaped mask welding breathing valve device according to claim 1 is characterized in that: A void avoidance groove is also provided on one side of the positioning sleeve, and a connecting plate is also provided on one side of the positioning sleeve located at the void avoidance groove. A connecting block is provided at the upper end of the air pipe, and the connecting block is connected to the connecting plate; a limiting portion is also provided at the free end of the positioning sleeve, and a positioning hole is provided on the limiting portion, and the suction cup is positioned in the positioning hole.

5. The fish-shaped mask welding breathing valve device according to claim 1 or 4, characterized in that: The flipping and picking mechanism further comprises a positioning mechanism, which is arranged on one side of the flipping mechanism and is used for positioning the mounting plate.

6. The fish-shaped mask welding breathing valve device according to claim 5 is characterized in that: The number of the positioning mechanisms is two groups, and they are arranged opposite to each other; the positioning mechanisms include a fixed plate, a telescopic cylinder, a guide rod and a positioning card plate; the fixed plate is arranged on the frame, or is fixedly connected to the support seat of the flip mechanism, the telescopic cylinder is arranged on the outer side of the fixed plate, and the piston rod passes through the fixed plate, the positioning card plate is arranged on the piston rod of the telescopic cylinder, and the positioning card plate is provided with two clamping parts on the side of the positioning card plate facing the mounting plate, and the two clamping parts form a clamping groove; the two guide rods are connected to the positioning card plate and slide through the fixed plate.

7. The fish-shaped mask welding breathing valve device according to claim 1 or 4, characterized in that: The picking and welding mechanisms are provided in two groups, and are arranged relatively on the upper and lower sides of the rotating part of the turning mechanism.

8. The fish-shaped mask welding breathing valve device according to claim 7 is characterized in that: The picking-up welding mechanisms are in two groups and are relatively arranged on the upper and lower sides of the rotating member.

9. The fish-shaped mask welding breathing valve device according to claim 7, characterized in that: The rotating support seat is also provided with a positioning mechanism for positioning the picking-up welding mechanism toward the welding mechanism.

10. The fish-shaped mask welding breathing valve device according to claim 1 is characterized in that: The welding mechanism includes a third support frame, an ultrasonic welding machine and a welding mold; the third support frame is arranged on the bracket, the ultrasonic welding machine is arranged on the third support frame, the welding mold is arranged at the welding end of the ultrasonic welding machine, and a plurality of welding teeth arranged in a ring are provided at the bottom of the welding mold.

11. The fish-shaped mask welding breathing valve device according to claim 1 is characterized in that: The conveying and positioning mechanism includes a vibrating loading tray, two vertical plates and a belt conveying mechanism; the vibrating loading tray is arranged on one side of the frame, the two vertical plates are arranged opposite to each other on the frame, and the belt conveying mechanism is arranged between the two vertical plates; a positioning plate is also provided at one end of the vertical plate away from the vibrating loading tray, and a positioning part is provided at the end of the positioning plate; an angle adjustment rotating part is also passed through the bottom of the positioning plate for adjusting the position of the breathing valve; a photoelectric switch for detecting the position of the breathing valve is provided at the end of the vertical plate.

Images