CN111421830A

CN111421830A - Full-automatic mask welding machine

Info

Publication number: CN111421830A
Application number: CN202010332477.5A
Authority: CN
Inventors: 何小文
Original assignee: Hangzhou Kesu Automation Equipment Co ltd
Current assignee: Hangzhou Kesu Automation Equipment Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-24
Publication date: 2020-07-17

Abstract

The invention provides a full-automatic mask welding machine which comprises a rack, a welding assembly, a body feeding assembly, a material taking assembly and an ear belt feeding assembly. The welding assembly comprises a workbench which is rotatably connected to the rack and an ultrasonic welding gun which is movably arranged on the rack and is opposite to the workbench. The body feeding assembly is arranged on the rack and used for sequentially conveying the mask bodies. Get the material subassembly and include that at least one arm and at least one arm of drive move get the material driving piece, get the material driving piece and be fixed in the frame, at least one arm snatchs in proper order or absorbs the gauze mask body that body material loading subassembly carried, get the material driving piece and drive at least one arm and rotate and carry the gauze mask body to the workstation. Ear strap feeding assembly sets up in the frame, and ear strap feeding assembly carries the both ends in ear strap to the gauze mask body of placing on the workstation, and ultrasonic welding gun welds the both ends in ear strap on the gauze mask body.

Description

Full-automatic mask welding machine

Technical Field

The invention relates to mask generating equipment, in particular to a full-automatic mask welding machine.

Background

The mask is a sanitary article, is generally worn at the mouth and nose part for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, is made of gauze or paper and the like, has a certain filtering effect on air entering the lung, and has a very good effect when the mask is worn in operation in an environment polluted by dust and the like when respiratory infectious diseases are prevalent.

The mask comprises a mask main body and an ear band, wherein the ear band is fixed on the mask body, and the ear band is used for fixing the mask body on the face of a user to achieve the effect of filtering air. The welding of the existing mask mainly adopts ultrasonic welding or continuous electric welding; however, in any welding device, since the two ends of the mask body need to be welded with the ear bands during welding, the mask body needs to be rotated after one end is welded to realize the welding of the other end. Therefore, at present, all the welding devices adopt manual feeding and manual rotation modes to weld the mask. When the welding equipment is adopted for welding, each operator can only operate one equipment, so that the welding efficiency is low, and the labor cost is very high.

Disclosure of Invention

The invention provides a full-automatic mask welding machine which is high in welding efficiency and low in labor cost in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention provides a full-automatic mask welding machine which comprises a rack, a welding assembly, a body feeding assembly, a material taking assembly and an ear belt feeding assembly. The welding assembly comprises a workbench which is rotatably connected to the rack and an ultrasonic welding gun which is movably arranged on the rack and is opposite to the workbench. The body feeding assembly is arranged on the rack and used for sequentially conveying the mask bodies. Get the material subassembly and include that at least one arm and at least one arm of drive move get the material driving piece, get the material driving piece and be fixed in the frame, at least one arm snatchs in proper order or absorbs the gauze mask body that body material loading subassembly carried, get the material driving piece and drive at least one arm and rotate and carry the gauze mask body to the workstation. Ear strap feeding assembly sets up in the frame, and ear strap feeding assembly carries the both ends in ear strap to the gauze mask body of placing on the workstation, and ultrasonic welding gun welds the both ends in ear strap on the gauze mask body.

According to an embodiment of the invention, the material taking assembly comprises two mechanical arms which are symmetrically arranged, the two mechanical arms are connected to the material taking driving piece through a rotating shaft, the welding assembly and the body feeding assembly are respectively arranged at two ends of the material taking assembly corresponding to the two mechanical arms, the material taking driving piece drives the two mechanical arms to rotate, and when one of the mechanical arms grabs or sucks the mask body on the body feeding assembly for feeding, the other mechanical arm grabs or sucks the mask which is welded on the workbench for discharging.

According to an embodiment of the invention, each mechanical arm comprises a connecting part and a sucker which is arranged at the end part of the connecting part and used for adsorbing the mask body or the welded mask, the area of an adsorption surface of the sucker is smaller than that of the mask body, and when the sucker adsorbs the mask body, welding areas extending over the adsorption surface are arranged at two ends of the mask body; when welding, the sucking disc compresses tightly the main part district of gauze mask body, and the both ends of ear area weld in the weld zone of gauze mask body.

According to an embodiment of the invention, the material taking driving part comprises a mounting plate, an axial driving part and a circumferential driving part, the circumferential driving part is arranged on the mounting plate, the two mechanical arms are connected to the circumferential driving part through rotating shafts, and the axial driving part is arranged on the mounting plate and drives the mounting plate, the circumferential driving part, the rotating shafts and the two mechanical arms to axially move.

According to an embodiment of the invention, the mounting plate is positioned below the rotating shaft, the circumferential driving member is arranged at the top of the mounting plate and connected with the bottom end of the rotating shaft, and the axial driving member is arranged at the bottom of the mounting plate;

or, the mounting panel is located the top of pivot, and circumference driving piece sets up in the bottom of mounting panel and connects the top of pivot, and axial driving piece is fixed in the top of mounting panel.

According to an embodiment of the invention, the full-automatic mask welding machine further comprises at least one mask discharge port formed on the side edge of the material taking assembly, and the mechanical arm sucks the welded mask and rotates the welded mask to the mask discharge port.

According to one embodiment of the mask feeding device, the body feeding assembly comprises a material storage part and a feeding driving part, a plurality of mask bodies are stacked and stored in the material storage part, and a discharge hole of the material storage part is arranged opposite to the mechanical arm; the material loading driving piece sets up in storage portion and with a plurality of gauze mask bodies that pile up in the storage portion propelling movement in proper order to the discharge gate of storage portion.

According to one embodiment of the invention, the material storage part is vertically arranged below the mechanical arm, the material storage part comprises a material storage bottom plate and a plurality of limiting columns arranged around the material storage bottom plate, the material loading driving part comprises a material loading motor, a screw rod connected to the output end of the material loading motor and a sliding block sleeved on the screw rod, and the sliding block is connected with the material storage bottom plate; the material loading motor drives the storage bottom plate through lead screw and slider and upwards slides in order to pile up the discharge gate of propelling movement to storage portion gradually of many gauze masks bodies on the storage bottom plate.

According to an embodiment of the invention, the work table comprises a welding table and a rotating table; the welding table and the ultrasonic welding gun are correspondingly arranged and fixed on the frame, and the rotating table is rotationally connected to the frame; when welding, the rotating table bears the main body area of the mask body, and the welding area of the mask body extends to the welding table.

According to one embodiment of the present invention, an ear band feeding assembly includes an ear band rod, an ear band transport assembly, a grip shear assembly, and an ear band gripper assembly. The ear band rod fixes the coiled continuous ear band. The ear band transport assembly transports a continuous ear band. The clamping and shearing assembly clamps the output continuous ear belt according to a preset length and shears the clamping part. The ear belt clamping and grabbing component is rotationally connected to the rack, and the two ends of the sheared ear belt are grabbed and conveyed to the mask body on the workbench after rotation.

In summary, in the fully-automatic ear belt welding machine provided by the invention, the body feeding assembly conveys a plurality of mask bodies to one side where the material taking assembly is located, and the material taking assembly sequentially grabs or absorbs the mask bodies and conveys the mask bodies to the workbench of the welding assembly. Meanwhile, the ear belt feeding assembly conveys two ends of the ear belt to a welding area of the mask body, and the ultrasonic welding gun moves downwards to connect the ear belt and one end of the mask body in a welding mode. Afterwards, the workstation drives the gauze mask body rotatory, thereby welder welds the other end of gauze mask body with an ear area welding once more and accomplishes the welding of whole gauze mask automatically. In the full-automatic ear belt welding machine provided by the invention, an operator only needs to place a plurality of mask bodies on the material taking assembly at one time, and the machine can automatically complete the welding of the whole mask. The operating personnel need not manual material loading in proper order again and rotates, so an operating personnel can supervise many machines simultaneously, greatly reduced artificial cost also improved the welding efficiency of gauze mask simultaneously.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of a full-automatic ear strap welding machine according to an embodiment of the present invention.

Fig. 2 and 3 are schematic structural diagrams of fig. 1 at another viewing angle.

Fig. 4 is a schematic structural view of fig. 1 with the frame removed.

Fig. 5 and 6 are schematic structural views of fig. 4 at another viewing angle.

Fig. 7 is a schematic view of the feeding assembly, the feeding assembly and the rotary table.

FIG. 8 is a schematic view of the assembly of the weld assembly and the ear strap feeding assembly.

Fig. 9 is a schematic structural view of the mask body sucked by the suction cup.

Fig. 10 is a schematic structural diagram of a full-automatic ear strap welding machine according to a second embodiment of the present invention.

Detailed Description

Example one

Fig. 1 is a schematic structural diagram of a full-automatic ear strap welding machine according to an embodiment of the present invention. Fig. 2 and 3 are schematic structural diagrams of fig. 1 at another viewing angle. Fig. 4 is a schematic structural view of fig. 1 with the frame removed. Fig. 5 and 6 are schematic structural views of fig. 4 at another viewing angle. Fig. 7 is a schematic view of the feeding assembly, the feeding assembly and the rotary table. FIG. 8 is a schematic view of the assembly of the weld assembly and the ear strap feeding assembly. Fig. 9 is a schematic structural view of the mask body sucked by the suction cup. Please refer to fig. 1 to fig. 9.

As shown in fig. 1 to 3, the full-automatic ear strap welding machine provided by this embodiment includes a frame 1, a welding assembly 2, a body feeding assembly 3, a material taking assembly 4, and an ear strap feeding assembly 5. The welding assembly 2 comprises a worktable 21 rotatably connected to the frame 1 and an ultrasonic welding gun 22 movably arranged on the frame 1 and opposite to the worktable 21. The body feeding assembly 3 is arranged on the frame 1 and sequentially conveys a plurality of mask bodies 10. The material taking assembly 4 comprises at least one mechanical arm 41 and a material taking driving member 42 for driving the at least one mechanical arm 41 to move, the material taking driving member 42 is fixed on the rack 1, the at least one mechanical arm 41 sequentially grabs or absorbs the mask body 10 conveyed by the body feeding assembly 3, and the material taking driving member 42 drives the at least one mechanical arm 41 to rotate so as to convey the mask body 10 to the workbench 21. Ear strap feeding assembly 5 sets up in frame 1, and ear strap feeding assembly 5 carries the both ends of ear strap to the gauze mask body 10 of placing on workstation 21, and ultrasonic welding gun 22 welds the both ends of ear strap on gauze mask body 10.

The body material loading subassembly 3 carries a plurality of gauze mask bodies to getting material subassembly 4, gets the arm 41 on the material subassembly 4 and carries the gauze mask body to workstation 21 on in proper order. Meanwhile, the ear strap feeding assembly 5 also places the two ends of the ear strap on the mask body 10, and the ultrasonic welding gun 22 welds the two ends of the ear strap on the mask body. After welding the ear band at one end, the workbench 21 drives the mask body to rotate, and the welding gun 22 welds the other ear band on the mask body again, thereby completing the welding of the whole mask. In whole welding process, all processes are accomplished by full-automatic ear area welding machine, and operating personnel need not to carry out any operation, and it only need pay close attention to the body material loading subassembly 3 on whether the quantity of gauze mask body is enough can, greatly reduced operating personnel's work load to make an operating personnel can supervise many machines simultaneously, thereby reduce the cost of labor by a wide margin. Furthermore, compared with the traditional manual feeding and rotation, the full-automatic welding greatly improves the production efficiency.

In this embodiment, the number of the ultrasonic welding guns is two. However, the present invention is not limited thereto. In other embodiments, the number of the ultrasonic welding guns may be one, which still weld the two ends of the ear band to the mask body at the same time.

In this embodiment, as shown in fig. 4, the body feeding assembly 3 includes a storage portion 31 and a feeding driving member 32, a plurality of mask bodies 10 are stacked and stored in the storage portion 31, and a discharge port 301 of the storage portion is disposed opposite to the robot arm 41. The material loading driving part 32 is arranged in the material storage part 31 and gradually pushes a plurality of mask bodies 10 stacked in the material storage part 31 to the material outlet 301 of the material storage part, and the mechanical arm 41 sequentially sucks or grabs the mask bodies at the material outlet 301 of the material storage part. Storage portion 31 and material loading drive assembly 32's setting makes operating personnel can once only pile up a plurality of gauze mask bodies 10 and place in storage portion 31, if once only pile up material loading fifty, a hundred gauze mask bodies or more, once only material loading quantity is very big and operate very simple, operating time is also very short. After the feeding is completed, the operator does not need to do any operation for the current welding machine, so the operator can supervise other machines. However, the invention does not limit the specific structure of the body feeding assembly. In other embodiments, the body feeding assembly can also adopt a conveying belt conveying mode to feed, and a plurality of mask bodies are sequentially placed on the conveying belt. In the structure, one operator can supervise a plurality of machines by designing the length of the conveyor belt and the conveying speed.

Specifically, the storing portion 31 is vertically arranged below the mechanical arm 41, the storing portion 31 comprises a storing bottom plate 311 and a plurality of limiting columns 312 arranged around the storing bottom plate 311, the feeding driving element 32 comprises a feeding motor 321, a screw rod 322 connected to the output end of the feeding motor 321, and a sliding block 323 sleeved on the screw rod 322, and the sliding block 323 is connected with the storing bottom plate 311. The feeding motor 321 drives the storage bottom plate 311 to slide upwards through the screw 322 and the slider 323 so as to gradually push the multi-port cover body 10 stacked on the storage bottom plate 311 to the discharge port 301 of the storage portion. In the present embodiment, the body feeding assembly 3 includes a storing portion 31. However, the present invention is not limited thereto. In other embodiments, the body feeding assembly may also include a plurality of slidable magazines (e.g., a plurality of magazines disposed on an endless track) and each magazine may have a sensing device disposed therein. An operator can feed a plurality of storage portions at one time, and after the mask body in one of the storage portions is processed, the controller drives the other storage portion to move below the mechanical arm along the sliding rail.

In this embodiment, as shown in fig. 1 to 6, the material taking assembly 4 includes two mechanical arms 41 symmetrically disposed, the two mechanical arms 41 are connected to the material taking driving member 42 through a rotating shaft 43, the welding assembly 2 and the body feeding assembly 3 are respectively disposed at two ends of the material taking assembly 4 corresponding to the two mechanical arms 41, and the material taking driving member 42 drives the two mechanical arms 41 to rotate. This setting makes when one of them arm snatchs or absorbs gauze mask body 10 on the body material loading subassembly 3 and carries out the pay-off, and another arm then snatchs in step or absorbs the gauze mask that the welding has been accomplished on the workstation and carries out the ejection of compact, promotes work efficiency by a wide margin. However, the present invention does not set any limit to the number of robot arms. In other embodiments, the reclaiming assembly may also include one robot arm or more than three robot arms distributed along the circumferential direction.

Since the mask body 10 is made of a thin flexible material such as a non-woven fabric and a meltblown fabric and the quality of the mask body is light, the mask body placed on the table 21 during welding is easily displaced or curved due to contact between a welding gun and the ear straps, and the ear straps are difficult to be welded precisely at the same position of each mask, so that the consistency of the welded product is poor. To solve this problem, as shown in fig. 7 and 9, in the present embodiment, each of the robot arms 41 includes a connecting portion 411 and a suction cup 412 disposed at an end of the connecting portion 411 for sucking the mask body or the welded mask, an area of a suction surface of the suction cup 412 is smaller than an area of the mask body 10, and when the suction cup 412 sucks the mask body 10, both ends of the mask body 10 have welding areas 102 extending over the suction surface; during welding, the suction cup 412 presses the main body area 101 of the mask body, and both ends of the ear band are welded to the welding areas 102 of the mask body.

Since the welding region 102 of the mask body extends to the outside of the suction surface of the suction cup 412, the suction cup can press the mask body 10 against the worktable 21 during welding to prevent the mask from moving and accurately position the mask. That is, the suction cup 412 not only realizes the transportation of the mask body, but also realizes the positioning of the mask body during welding, and the structure of the welding assembly 2 is greatly simplified by the arrangement. In the embodiment, the length of the suction cup 412 is close to the length of the mask body, the suction cup 412 includes a main body portion 4121 having a width close to the width of the mask body and extension portions 4122 having a smaller width than the two ends of the main body portion, and the two extension portions 4122 fix the region between the two welding regions 102 to prevent the deformation displacement of arching or bending due to the flexibility of the mask material when the welding gun contacts the welding regions 102, thereby further improving the welding accuracy. However, the present invention is not limited in any way to the specific structure of the suction cup. In other embodiments, no extension part can be arranged on the suction cup, and the length of the suction cup is smaller than that of the mask body.

This embodiment adopts the absorbent mode of sucking disc to realize the transport of gauze mask body. However, the present invention is not limited thereto. In other embodiments, the mask body can be conveyed by a mechanical arm grabbing manner.

In order to realize the rotation and axial movement of the suction cup, in this embodiment, the material taking driving member 42 includes a mounting plate 421, an axial driving member 422 and a circumferential driving member 423, the circumferential driving member 423 is disposed on the mounting plate 421, and the two mechanical arms 41 are connected to the circumferential driving member 423 through the rotating shaft 43. The axial driving member 422 is disposed at the bottom of the mounting plate 421 and drives the mounting plate 421, the circumferential driving member 423, the rotating shaft 43 and the two mechanical arms 41 to move axially. Specifically, the axial driver 422 is an axial driving motor fixed to the bottom of the mounting plate 421, and the circumferential driver 423 is a rotary cylinder.

When taking materials, the axial driving member 422 drives the mounting plate 421 to drive the suction cup 412 to move downwards so as to adsorb the mask body on the discharge hole 301 of the material storage portion, the axial driving member 422 drives the mounting plate 421 to drive the suction cup 412 to move upwards after adsorption, and the circumferential driving member 423 drives the two mechanical arms 41 to rotate 180 degrees through the rotating shaft 43 so that the mask body 10 is located above the workbench 21. Then, the axial driving member 422 drives the suction cup 412 to move downward to tightly press the mask body 10 on the worktable 21 for welding. When gauze mask body one end welding is accomplished, axial driving piece 422 drives sucking disc upward movement and the separation of gauze mask body, and workstation 21 drives the rotatory 180 degrees of gauze mask body, and later sucking disc 412 continues to move down the motion and compresses tightly the gauze mask body, and welder welds once more. After the whole mask is welded, the axial driving member 422 drives the suction cup 412 and the adsorbed welded mask to move upwards, and the circumferential driving member 423 drives the two mechanical arms 41 to rotate through the rotating shaft 43 so as to realize discharging.

In this embodiment, full-automatic gauze mask welding machine is still including forming at least one gauze mask discharge gate 11 of getting material subassembly 4 one side, and arm 41 absorbs rotatory 11 ejection of compact to gauze mask discharge gate behind the gauze mask after the welding is accomplished, and material loading and ejection of compact go on in step, have further improved production efficiency. Preferably, in this embodiment, two sides of the material taking assembly 4 are respectively provided with one mask discharge port 11, when one of the discharge ports is full of storage, the circumferential driving member 423 changes the rotation direction, and the mechanical arm discharges from the other mask discharge port 11, so that the use is more convenient. However, the present invention is not limited thereto. In other embodiments, a mask discharge port can be arranged on one side of the material taking assembly; or more than three mask discharge ports can be arranged.

In the present embodiment, the work table 21 includes a welding table 211 and a rotating table 212. The welding table 211 is arranged corresponding to the ultrasonic welding gun 22 and fixed on the frame 1, the rotating table 212 comprises a bearing table surface and a rotating cylinder of the rotating table, when welding, the bearing table surface of the rotating table 212 bears the main body area 101 of the mask body, and the welding area 102 of the mask body extends to the welding table 211. This setting makes welding bench 211 and revolving stage 212 can adopt different materials to make welding bench 211 satisfy welded requirement, revolving stage 212 then satisfies the requirement of rotatory processing, design convenience more. However, the present invention is not limited thereto. The ultrasonic welding torch 22 is moved up and down by a torch driving motor 23 to perform welding.

In the present embodiment, the ear band feeding assembly 5 comprises an ear band rod 51, an ear band conveying assembly 52, a clamping and cutting assembly 53 and an ear band clamping and grabbing assembly 54. The ear band rod 51 fixes the wound continuous ear band. The ear band transport assembly 52 transports a continuous ear band. The holding and cutting member 53 holds the output continuous ear band by a predetermined length and cuts the held portion. The ear band clamping and grabbing component 54 is rotatably connected to the machine frame 1, grabs two ends of the sheared ear bands and conveys the ear bands to the mask body 10 on the workbench after rotation.

In the present embodiment, the ear belt conveying assembly 52 employs a motor and a roller to cooperate to convey the ear belt. The clamping and shearing assembly 53 comprises a static clamping cylinder 531 fixed at one end of the slide rail, a moving clamping cylinder 532 opposite to the static clamping cylinder 531 and capable of moving along the slide rail, and a shearing member 533 fixed at the inner side of the static clamping cylinder 531. The earband clamp assembly 54 includes two clamping jaws 541, a rotary driving member 542 for driving the two clamping jaws 541 to rotate, and a jaw driving motor 543 for driving the two clamping jaws to move up and down.

The ear belt conveying assembly 52 conveys the ear belt to the static clamping cylinder 531, the movable clamping cylinder 532 moves to the static clamping cylinder 531 along the slide rail and clamps the end of the ear belt, and then the ear belt is reset along the slide rail. The static clamping cylinder 531 presses down the clamping ear belt, and the ear belt is tensioned by the static clamping cylinder 531 and the movable clamping cylinder 532. The two clamping jaws 541 on the ear band clamping assembly 54 move downwards to clamp the ear bands on the inner sides of the movable clamping cylinder 532 and the static clamping cylinder 531 respectively, the shearing piece 533 shears the ear bands on the inner side of the static clamping cylinder 531 short, and the movable clamping cylinder 532 is released. The two ends of the ear belt are clamped by the two clamping jaws respectively. The gripper driving motor 543 then drives the two grippers 541 upward. The rotary driving member 542 drives the two clamping jaws to rotate 90 degrees to one side of the workbench 21 and the clamping jaw driving motor 543 drives the two clamping jaws to move downwards so as to realize the contact between the two ends of the ear belt and the mask body. In this embodiment, rotary drive 542 includes a drive motor and gear engagement to effect rotation of the jaws. However, the present invention is not limited thereto.

In this embodiment, the fully automatic earmuff welding machine further comprises a controller (not shown in the figures due to the view angle) arranged in the frame for controlling the motors and the cylinders to work orderly, and a display assembly 6 electrically connected to the controller for displaying the current state of the machine (including normal operation or failure). The display assembly 6 includes a display screen and a plurality of indicator lights.

Example two

This embodiment is substantially the same as the first embodiment and its variations, except that: the take-off drive member 42 is mounted differently. Specifically, as shown in fig. 10, the mounting plate 421 of the material taking driving member 42 is located above the rotating shaft 43, the circumferential driving member 423 is disposed at the bottom of the mounting plate 421 and connected to the top end of the rotating shaft 43, and the axial driving member 422 is fixed to the top of the mounting plate 421. The axial driver 422 drives the mounting plate 421, the circumferential driver 423, the rotating shaft 43, and the two mechanical arms 41 to move axially.

The material taking driving member 42 is located above the rotating shaft 43 in this embodiment, which provides more space for the mask body and the storing part 31. When the welding device is used for welding a mask with a wider width (such as an N95 mask), the interference of the circumferential driving piece 423 on the storage part 31 and the mask body when rotating is effectively avoided, and the device does not increase the volume of the device; namely, the welding of the disposable medical mask with small volume and the welding of the N95 mask with large volume can be compatible at the same time on the premise of not increasing the volume of the equipment.

Further, to achieve the automatic welding of the second ear strap, the rotation platform 212 needs to drive the mask body to rotate. In the three-dimensional mask, since the contact area with the rotation table is small, the friction force between the two is small. In order to prevent the mask body from shifting when the rotation platform 212 rotates, the rotation platform 212 is further provided with a limiting part 213 corresponding to the three-dimensional cutting part of the three-dimensional mask.

In summary, in the fully-automatic ear belt welding machine provided by the invention, the body feeding assembly conveys a plurality of mask bodies to one side where the material taking assembly is located, and the material taking assembly sequentially grabs or absorbs the mask bodies and conveys the mask bodies to the workbench of the welding assembly. Meanwhile, the ear belt feeding assembly conveys two ends of the ear belt to a welding area of the mask body, and the ultrasonic welding gun moves downwards to connect the ear belt and one end of the mask body in a welding mode. Then, the workbench drives the mask body to rotate, and the welding gun welds the other ear strap at the other end of the mask body again, so that the welding of the whole mask is automatically completed. In the full-automatic ear belt welding machine provided by the invention, an operator only needs to place a plurality of mask bodies on the material taking assembly at one time, and the machine can automatically complete the welding of the whole mask. The operating personnel need not manual material loading in proper order again and rotates, so an operating personnel can supervise many machines simultaneously, greatly reduced artificial cost also improved the welding efficiency of gauze mask simultaneously.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a full-automatic gauze mask welding machine which characterized in that includes:

a frame;

the welding assembly comprises a workbench rotationally connected to the rack and an ultrasonic welding gun movably arranged on the rack and opposite to the workbench;

the body feeding assembly is arranged on the rack and used for sequentially conveying a plurality of mask bodies;

the material taking assembly comprises at least one mechanical arm and a material taking driving piece for driving the at least one mechanical arm to move, the material taking driving piece is fixed on the rack, the at least one mechanical arm sequentially grabs or absorbs the mask body conveyed by the body feeding assembly, and the material taking driving piece drives the at least one mechanical arm to rotate so as to convey the mask body to the workbench;

the ear belt feeding assembly is arranged on the frame, the two ends of the ear belt are conveyed to the mask body placed on the workbench by the ear belt feeding assembly, and the two ends of the ear belt are welded on the mask body by the ultrasonic welding gun.

2. The full-automatic mask welding machine according to claim 1, wherein the material taking assembly comprises two mechanical arms which are symmetrically arranged, the two mechanical arms are connected to a material taking driving piece through a rotating shaft, the welding assembly and the body feeding assembly are respectively arranged at two ends of the material taking assembly corresponding to the two mechanical arms, the material taking driving piece drives the two mechanical arms to rotate, and when one of the mechanical arms grabs or sucks a mask body on the body feeding assembly to feed, the other mechanical arm grabs or sucks a mask which is welded on a workbench to discharge.

3. The full-automatic mask welding machine according to claim 1 or 2, wherein each mechanical arm comprises a connecting part and a suction cup arranged at the end part of the connecting part and used for sucking the mask body or the welded mask, the area of a suction surface of the suction cup is smaller than that of the mask body, and when the suction cup sucks the mask body, welding areas extending across the suction surface are arranged at two ends of the mask body; when welding, the sucking disc compresses tightly the main part district of gauze mask body, and the both ends of ear area weld in the weld zone of gauze mask body.

4. The full-automatic mask welding machine of claim 2, wherein the material taking driving member comprises a mounting plate, an axial driving member and a circumferential driving member, the circumferential driving member is arranged on the mounting plate, the two mechanical arms are connected to the circumferential driving member through a rotating shaft, and the axial driving member is arranged on the mounting plate and drives the mounting plate, the circumferential driving member, the rotating shaft and the two mechanical arms to move axially.

5. The full-automatic mask welding machine according to claim 4, wherein the mounting plate is located below the rotating shaft, the circumferential driving member is arranged at the top of the mounting plate and connected with the bottom end of the rotating shaft, and the axial driving member is arranged at the bottom of the mounting plate;

6. The full-automatic mask welding machine according to claim 2, further comprising at least one mask discharge port formed in the side edge of the material taking assembly, wherein the mechanical arm sucks the welded mask to rotate to the mask discharge port.

7. The full-automatic mask welding machine according to claim 1, wherein the body feeding assembly comprises a material storage part and a feeding driving part, a plurality of mask bodies are stacked and stored in the material storage part, and a discharge hole of the material storage part is arranged opposite to the mechanical arm; the material loading driving piece sets up in storage portion and with a plurality of gauze mask bodies that pile up in the storage portion propelling movement in proper order to the discharge gate of storage portion.

8. The full-automatic mask welding machine according to claim 7, wherein the storage part is vertically arranged below the mechanical arm, the storage part comprises a storage bottom plate and a plurality of limiting columns arranged around the storage bottom plate, the feeding driving part comprises a feeding motor, a screw rod connected to the output end of the feeding motor and a sliding block sleeved on the screw rod, and the sliding block is connected with the storage bottom plate; the material loading motor drives the storage bottom plate through lead screw and slider and upwards slides in order to pile up the discharge gate of propelling movement to storage portion gradually of many gauze masks bodies on the storage bottom plate.

9. The full-automatic mask welding machine according to claim 1, wherein the work table comprises a welding table and a rotating table; the welding table and the ultrasonic welding gun are correspondingly arranged and fixed on the frame, and the rotating table is rotationally connected to the frame; when welding, the rotating table bears the main body area of the mask body, and the welding area of the mask body extends to the welding table.

10. The full-automatic mask welding machine of claim 1, wherein the ear strap feeding assembly comprises:

an ear band rod for fixing the rolled continuous ear band;

an ear belt conveying assembly for conveying the continuous ear belt;

the clamping and shearing assembly is used for clamping the output continuous ear belt according to a preset length and shearing the clamping part;

the ear belt clamping and grabbing assembly is rotationally connected to the rack, and the two ends of the sheared ear belt are grabbed and conveyed to the mask body on the workbench after rotation.