CN111267362A

CN111267362A - Mask machine

Info

Publication number: CN111267362A
Application number: CN202010141343.5A
Authority: CN
Inventors: 骆锋勇
Original assignee: Guangzhou Jichuan Electromechanical Equipment Co ltd
Current assignee: Guangzhou Jichuan Electromechanical Equipment Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-06-12
Anticipated expiration: 2040-03-03

Abstract

The invention provides a mask machine which comprises a workbench, wherein a conveying rail for conveying a mask body is arranged on the workbench, an ear belt welding station is arranged on the workbench, an ultrasonic welding machine is arranged at the bottom side of the ear belt welding station, and two groups of welding mechanisms which are symmetrically arranged are arranged at two sides of the ear belt welding station; in any group of welding mechanisms, each welding mechanism comprises a first welding head and a second welding head which are positioned above the conveying rail side by side, an input seat for feeding the ear belt is arranged on the ear belt welding station, and the ear belt is parallel to the conveying direction of the conveying rail along the feeding direction of the input seat; the ear band cutting device is characterized by further comprising a pneumatic finger for clamping the ear band, wherein a cutting assembly for cutting off the ear band is further arranged on one side of the input seat of the pneumatic finger. By adopting the mask machine provided by the technical scheme of the invention, the production efficiency and the productivity of the mask are improved, the ear belt welding mechanism is simple in structure, low in cost and convenient to disassemble and maintain, the occupied space of the mask machine is reduced, and the production cost is further reduced.

Description

Mask machine

Technical Field

The invention relates to the technical field of mask production equipment, in particular to a mask machine.

Background

The mask machine is equipment for manufacturing various masks with certain filtering performance from multiple layers of non-woven fabrics through processes of hot pressing, folding forming, ultrasonic welding, ear band welding and the like, and the mask machine adopts multiple machines to complete different processes in a matching mode, so that the mask production is completed quickly.

The important mechanism in the mask machine is an ear belt welding mechanism which welds the ear belts on the two sides of the formed mask body, in the existing mask machine, the conveying direction of the mask body and the feeding direction of the ear belts are parallel to each other, the ear belts are positioned on the outer side of the mask body, after the ear belts are cut off, the two end parts of the ear belts need to be rotated by a rotary air cylinder or a servo motor so that the two end parts of the ear belts coincide with welding points of the mask body, then ultrasonic welding is adopted, the mechanism needs to be realized by a plurality of groups of servo motors and air cylinders, for example, after the ear belts are clamped by a clamping device, the clamping device is provided with a clamping air cylinder or a servo motor, then the clamping jaw mechanism is driven by the rotary air cylinder so that the end parts of the ear belts rotate to be right above the welding points of the mask, the ultrasonic welding is carried out after a welding head is positioned, the structure, the cost is high, the disassembly and the assembly are inconvenient to maintain, the welding efficiency of the ear strap is seriously reduced due to excessive working procedures, and the production capacity of the mask is reduced; in addition, above-mentioned a plurality of devices avoid producing and interfere, need reserve very big space to make the occupation space grow of gauze mask machine, the gauze mask machine sets up carries out the production operation in dust-free workshop or clean workshop, and too big gauze mask opportunity occupies the too big space in workshop, has greatly improved manufacturing cost.

Disclosure of Invention

The invention aims to provide a mask machine which can improve the production efficiency and the productivity of masks, is simple in structure of an ear band welding mechanism, low in cost and convenient to disassemble and maintain, reduces the occupied space of the mask machine, and further reduces the production cost.

Based on the technical scheme, the mask machine comprises a workbench, wherein a conveying rail for conveying a mask body is arranged on the workbench, an ear belt welding station is arranged on the workbench, an ultrasonic welding machine is arranged at the bottom side of the ear belt welding station, and two groups of symmetrically arranged welding mechanisms are arranged at two sides of the ear belt welding station;

in any group of the welding mechanisms, each welding mechanism comprises a first welding head and a second welding head which are arranged above the conveying rail side by side, the first welding head and the second welding head can be arranged in a lifting mode and correspond to the ultrasonic welding machine, an input seat used for feeding an ear strap is arranged on the ear strap welding station, the ear strap is parallel to the conveying direction of the conveying rail along the feeding direction of the input seat, and orthographic projections of the first welding head and the second welding head in the vertical direction fall on a straight line of the ear strap along the feeding direction of the input seat;

the mask comprises a workbench, and is characterized by further comprising pneumatic fingers for clamping ear belts, wherein the pneumatic fingers are slidably arranged on the workbench through a moving assembly, the ear belts are higher than the mask body on the conveying track when being straightened, and the pneumatic fingers are further provided with cutting assemblies for cutting off the ear belts on one side of the input seat;

the mask machine further comprises a controller arranged on the mask machine body, and the ultrasonic welding machine, the first welding head, the second welding head, the pneumatic fingers, the moving assembly and the cutting assembly are electrically connected with the controller respectively.

Preferably, the moving assembly comprises a first moving table slidably arranged along the workbench, and the first moving table is arranged on the workbench through a first air cylinder;

the second mobile station is arranged on the first mobile station in a sliding mode, the pneumatic fingers are fixedly arranged on the second mobile station, a second air cylinder used for driving the second mobile station is fixedly arranged on the first mobile station, the moving direction of the first mobile station and the moving direction of the second mobile station are parallel to the feeding direction of the ear belt, and the first air cylinder and the second air cylinder are respectively electrically connected with the controller.

Preferably, a connecting frame is arranged on the second moving table, the connecting frame comprises a first plate, a second plate and a third plate which are connected in sequence, the first plate, the second plate and the third plate form a zigzag connecting frame, the first plate is connected with the pneumatic finger, and the third plate is fixedly connected with the second moving table.

Preferably, the pneumatic finger comprises two oppositely arranged clamping jaws, a clamping space for clamping the ear belt is formed between the two clamping jaws, and when the two clamping jaws are in a clamping state, an avoiding groove corresponding to the second welding head is formed between the two clamping jaws.

Preferably, the cutting assembly comprises scissors and a rotary cylinder for driving the scissors, the rotary cylinder is electrically connected with the controller, the rotary cylinder is arranged on the workbench, and the scissors are located between the input seat and the first welding head.

Preferably, the input seat is provided with a feeding groove, the ear belt is fed along the feeding groove, and the extending direction of the feeding groove is parallel to the conveying direction of the conveying track.

Preferably, a fixing support is arranged on the workbench, the fixing support is bridged over the ear belt welding station, the first welding head is arranged on the fixing support in a lifting manner through a third cylinder, the second welding head is arranged on the fixing support in a lifting manner through a fourth cylinder, and the third cylinder and the fourth cylinder are electrically connected with the controller respectively.

According to a preferable scheme, a compressing device used for compressing the mask body is further arranged on the fixed support and comprises a compressing plate and a fifth cylinder used for driving the compressing plate to move up and down, the fifth cylinder is arranged on the fixed support, the compressing plate corresponds to the ear band welding station, and the fifth cylinder is electrically connected with the controller.

Preferably, the conveying track is provided with a plurality of trays for positioning the mask body, and the trays are provided with positioning grooves corresponding to the mask body.

As a preferred scheme, a feeding assembly is arranged on the fixed support and comprises a discharging roller and a plurality of conveying rollers, the discharging roller is used for winding and unwinding the raw materials of the ear belt, and the ear belt is conveyed to the input seat along the discharging roller and the conveying rollers to complete feeding of the ear belt on the ear belt welding station.

The embodiment of the invention has the following beneficial effects:

when the mask machine is used for welding the ear strap and the mask body, the mask body enters an ear strap welding station, and is exemplarily described as follows by one side of the mask body, the ear strap enters along an input seat, a moving assembly drives a pneumatic finger to translate to a discharge position of the input seat and clamps the ear strap to move along the conveying direction of a conveying track, after the ear strap is moved for a required length distance, a first welding head is pressed downwards to enable a first end portion of the ear strap to be attached to the mask body, the moving assembly drives the pneumatic finger to move back to a position under a second welding head, the second welding head presses downwards to press a second end portion of the ear strap, meanwhile, a cutting assembly cuts off the ear strap, the first end portion of the cut ear strap is pressed on the mask body by the first welding head, the second end portion of the ear strap is pressed on the mask body by the second welding head, an ultrasonic welding machine is started to weld the ear strap and the mask body, the first welding head and the second welding head are lifted and reset, then the moving assembly drives the pneumatic fingers to move to the discharging position of the input seat to circulate the operation, so that the welding operation between the mask body and the ear belts is realized, the welding of the ear belts at two sides of the mask body can be completed by two groups of welding mechanisms, compared with the existing mask machine, the structure of the mask machine in the embodiment enables the ear wires to move linearly on the ear belt welding stations, and a rotary cylinder and the like are not needed to drive two end parts of the ear belts to the welding point position of the mask body, so that a plurality of devices are reduced, the welding mechanisms are simplified, the structure of the mask machine is simple, the disassembly, the assembly and the maintenance are convenient, meanwhile, the structure reduces the procedures required by the welding of the ear belts and the mask body, the production efficiency and the productivity of the mask are improved, furthermore, an overlarge space is not needed to be reserved in the mask machine in the embodiment for the parts, and the movement tracks, the components can be arranged more compactly, so that the occupied space of the mask machine is greatly reduced, and the production cost is further reduced.

Drawings

Fig. 1 is a schematic structural diagram of a mask ear belt welding station with part of components hidden in the embodiment of the invention.

Fig. 2 is a schematic structural diagram of relevant parts of a welding station of a mask ear belt in the embodiment of the invention.

In the figure: 1. a work table; 2. a first welding head; 3. a second welding head; 4. an input seat; 5. an ear band; 6. a pneumatic finger; 6a, a clamping jaw; 6b, avoiding the groove; 7. a mask body; 8. a first mobile station; 9. a first cylinder; 10. a second mobile station; 11. a second cylinder; 12. a connecting frame; 13. a cutting assembly; 13a, scissors; 13b, a rotary cylinder; 14. fixing a bracket; 15. a third cylinder; 16. a fourth cylinder; 17. a compression plate; 18. a fifth cylinder; 19. a tray; 20. and a discharging roller.

Detailed Description

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

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1 to 2, it should be noted that the arrows in the drawings indicate the direction of transportation of the mask body 7, for convenience of description, the direction indicated by the arrow is described as a left-to-right direction, and the mask machine provided in this embodiment includes a worktable 1, the workbench 1 is provided with a conveying track for conveying the mask body 7, and it should be noted that the mask body 7 is a formed filtering structure main body, the worktable 1 is provided with an ear belt 5 welding station, the bottom side of the ear belt 5 welding station is provided with an ultrasonic welding machine, the ear belt 5 welding station is used for welding the ear belt 5 and the mask body 7, two groups of welding mechanisms which are symmetrically arranged are arranged on two sides of the ear band 5 welding station, the two groups of welding mechanisms are respectively used for welding the ear bands 5 on two sides of the earmuff body, and an ultrasonic welding machine is matched with a welding head to realize welding operation when working;

in any group of the welding mechanisms, the welding mechanism comprises a first welding head 2 and a second welding head 3 which are arranged above the conveying track side by side, the first welding head 2 and the second welding head 3 can be arranged in a lifting manner and correspond to the ultrasonic welding machine, an input seat 4 for feeding an ear strap 5 is arranged on a welding station of the ear strap 5, the ear strap 5 is parallel to the conveying direction of the conveying track along the feeding direction of the input seat 4, the orthographic projections of the first welding head 2 and the second welding head 3 along the vertical direction fall on the straight line of the ear strap 5 along the feeding direction of the input seat 4, it needs to be pointed out that the input seat 4 is the feeding position of the ear strap 5 in the embodiment, a feeding assembly is further arranged in the mask machine to realize the conveying of the ear strap 5, and the conveying of the ear strap 5 belongs to the conventional technical means in the mask machine, not described in detail, the ear band 5 conveyed to the ear band 5 welding station in the input seat 4 is arranged opposite to the first welding head 2 and the second welding head 3, and the ear band 5 is positioned right above the mask body 7, so that the two end parts of the ear band 5 do not need to be rotated in the subsequent welding operation of the ear band 5;

the mask comprises a workbench 1, and is characterized by further comprising pneumatic fingers 6 for clamping ear belts 5, wherein the pneumatic fingers 6 are slidably arranged on the workbench 1 through a moving assembly, the ear belts 5 are higher than a mask body 7 on a conveying track when stretched straight, so that the ear belts 5 are prevented from interfering the conveying of the mask body 7, specifically, the ear belts 5 still have certain elasticity when stretched straight, a first welding head 2 is pressed downwards to enable a first end portion of the ear belts 5 to be pressed to a welding point of the mask body 7, the moving assembly can drive the ear belts 5 to move to a specified position, a cutting assembly 13 for cutting off the ear belts 5 is further arranged on one side of an input seat 4 of the pneumatic fingers 6, and the cutting assembly 13 cuts the ear belts 5 with preset lengths corresponding to the mask body 7; it should be noted that, in order to express the scheme more clearly, two pneumatic fingers 6 are provided in each drawing, which represent two working positions of the pneumatic fingers 6, the pneumatic finger 6 on the left represents a position corresponding to the second welding head 3, the pneumatic finger 6 on the right represents a position of the pneumatic finger 6 after the pneumatic finger 6 travels a length stroke of the mask, and the pneumatic finger 6 is connected with the second moving table 10 through the connecting frame 12;

the ultrasonic welding machine, the first welding head 2, the second welding head 3, the pneumatic finger 6, the moving assembly and the cutting assembly 13 are respectively and electrically connected with the controller, the controller is used for controlling the components to move orderly, so that welding operation is completed, and the controller is used for controlling the components to move in the conventional technology, which is not described herein.

Based on the above technical scheme, when the mask machine performs welding of the ear strap 5 and the mask body 7, the mask body 7 enters into a welding station of the ear strap 5, and an exemplary illustration of one side of the mask body 7 is as follows, the ear strap 5 enters along the input seat 4, the moving assembly drives the pneumatic finger 6 to move horizontally to a discharge position of the input seat 4 and clamps the ear strap 5 to move along a conveying direction of a conveying track, after the ear strap 5 is moved for a required length distance, the first welding head 2 presses downwards to enable a first end portion of the ear strap 5 to be attached to the mask body 7, the moving assembly drives the pneumatic finger 6 to move back to a position right below the second welding head 3, the second welding head 3 presses downwards to press a second end portion of the ear strap 5, the cutting assembly 13 cuts off the ear strap 5, at the moment, the first end portion of the cut ear strap 5 is pressed on the mask body 7 by the first welding head 2, the second end portion of the ear strap 5 is pressed on the mask body 7 by the second welding head, the ultrasonic welding machine is started to weld the section of the ear belt 5 and the mask body 7, the first welding head 2 and the second welding head 3 are lifted and reset, the moving assembly drives the pneumatic finger 6 to move to the discharging position of the input seat 4 to circulate the operation, so that the welding operation between the mask body 7 and the ear belt 5 is realized, and the two groups of welding mechanisms can complete the welding of the ear belts 5 on the two sides of the mask body 7, compared with the existing mask machine, the structure of the mask machine in the embodiment enables the ear lines to move linearly on the welding stations of the ear belts 5, a rotary cylinder 13b and the like are not needed to drive the two end parts of the ear belts 5 to the welding point position of the mask body 7, so that a plurality of devices are reduced, the welding mechanisms are simplified, the structure of the mask machine is simple, the disassembly and the maintenance are convenient, and meanwhile, the procedures required by the welding of the ear belts 5 and, thereby improve the production efficiency and the productivity of gauze mask, further, need not reserve too big space among the gauze mask machine in this embodiment and give above-mentioned part, because the simple difficult emergence of motion trail between each part is interfered, then can make the compacter setting of a plurality of parts to make the occupation space of gauze mask machine reduce greatly, further reduction in production cost.

Specifically, the moving assembly comprises a first moving table 8 slidably arranged along the worktable 1, and the first moving table 8 is arranged on the worktable 1 through a first air cylinder 9; a second mobile station 10 is arranged on the first mobile station 8 in a sliding way, the pneumatic finger 6 is fixedly arranged on the second mobile station 10, a second cylinder 11 for driving the second moving table 10 is fixedly arranged on the first moving table 8, the moving direction of the first moving table 8 and the second moving table 10 is parallel to the feeding direction of the ear belt 5, the first cylinder 9 and the second cylinder 11 are electrically connected with the controller respectively, when the moving assembly works, when the moving assembly drives the pneumatic finger 6 to translate to the discharging position of the input seat 4, the first air cylinder 9 drives the first moving table 8 and the second moving table 10 to translate simultaneously, and when the pneumatic finger 6 moves to the position corresponding to the second welding head 3, the second air cylinder 11 drives the second moving table 10 to move horizontally on the first moving table 8, so that the stability of the translational motion of the pneumatic finger 6 is ensured.

Further, a connecting frame 12 is arranged on the second moving table 10, the connecting frame 12 includes a first plate, a second plate and a third plate which are connected in sequence, the first plate, the second plate and the third plate form a zigzag connecting frame 12, the first plate is connected with the pneumatic finger 6, the third plate is fixedly connected with the second moving table 10, the zigzag connecting frame 12 enables the pneumatic finger 6 to extend into a straight line where the ear band 5 advances, interference of the pneumatic finger 6 on movement of other parts during translation is avoided, and the connecting structure of the pneumatic finger 6 is more reasonable.

In this embodiment, the pneumatic finger 6 includes two clamping jaws 6a disposed oppositely, a clamping space for clamping the ear strap 5 is formed between the two clamping jaws 6a, and when the two clamping jaws 6a are in a clamping state, an avoiding groove 6b corresponding to the second welding head 3 is formed between the two clamping jaws 6a, it should be noted that in this embodiment, when the clamping jaw 6a clamps the ear strap 5, the second end of the ear strap 5 extends into the avoiding groove 6b, and when the pneumatic finger 6 returns to a position right below the second welding head 3, the second welding head 3 is pressed down into the avoiding groove 6b, and the avoiding groove 6b plays a positioning role, and the second end of the ear strap 5 is prevented from shaking, so that the second end of the ear strap 5 can be pressed down on the mask body 7 after the second welding head 3 is pressed down. It should be noted that the first end of the ear strap 5 mentioned in the present embodiment is the left end of the ear strap 5 in fig. 1 and 2, the first end of the ear strap 5 corresponds to the first welding head 2, the second end of the ear strap 5 is the right end of the ear strap 5 in the drawings, and the second end of the ear strap 5 corresponds to the second welding head 3.

The cutting assembly 13 comprises scissors 13a and a rotary cylinder 13b for driving the scissors 13a, the rotary cylinder 13b is electrically connected with the controller, the rotary cylinder 13b is arranged on the worktable 1, the scissors 13a are positioned between the input seat 4 and the first welding head 2, the rotary cylinder 13b can drive the scissors 13a to complete the cutting operation, and after the first end of the ear strap 5 is pressed by the first welding head 2, the subsequent ear strap 5 is cut to prepare the material of the ear strap 5 for the next welding operation. Preferably, the input seat 4 is provided with a feeding groove, the ear belt 5 is fed along the feeding groove, the extending direction of the feeding groove is parallel to the conveying direction of the conveying track, and the feeding groove arranged on the input seat 4 enables the ear belt 5 to be conveyed along the designated direction, so that the displacement deviation is avoided.

In this embodiment, a fixed support 14 is disposed on the workbench 1, the fixed support 14 is bridged over the welding station of the ear belt 5, the first welding head 2 is disposed on the fixed support 14 through a third cylinder 15 in a liftable manner, the second welding head 3 is disposed on the fixed support 14 through a fourth cylinder 16 in a liftable manner, the third cylinder 15 and the fourth cylinder 16 are electrically connected to the controller, respectively, the third cylinder 15 drives the lifting motion of the first welding head 2, the fourth cylinder 16 drives the lifting motion of the second welding head 3, and the cylinder driving component realizes the lifting motion and has various connection structures, which is not limited to the specific arrangement form in this embodiment.

In addition, still be provided with the closing device who is used for compressing tightly gauze mask body 7 on the fixed bolster 14, closing device includes pressure strip 17 and is used for the drive the fifth cylinder 18 of pressure strip 17 elevating movement, fifth cylinder 18 sets up on the fixed bolster 14, pressure strip 17 with ear area 5 welding station corresponds the setting, fifth cylinder 18 with the controller electricity is connected, and fifth cylinder 18 realizes gauze mask body 7's the operation that compresses tightly to avoid taking place gauze mask body 7 to shift in ear area 5's welding process, guarantee the welding quality of ear area 5 good from this. Preferably, the last range of transfer orbit is provided with a plurality of trays 19 that are used for fixing a position gauze mask body 7, tray 19 be provided with the corresponding constant head tank of gauze mask body 7, gauze mask body 7 can guarantee its more stable transport at the constant head tank, and further guarantee that the welding quality between gauze mask body 7 and the ear wire is good.

As an embodiment, a feeding component is arranged on the fixed support 14, the feeding component includes a discharging roller 20 and a plurality of conveying rollers for winding and releasing raw materials of the ear belt 5, the ear belt 5 is conveyed to the input seat 4 along the discharging roller 20 and the conveying rollers to complete feeding of the ear belt 5 on the welding station of the ear belt 5, the feeding components are also arranged in two groups symmetrically, so that the ear belt 5 of the coil is conveyed to the input seat 4 and complete feeding, and then welding operation of the ear belt 5 is facilitated, it should be noted that specific conveying paths of the ear belt 5 and specific arrangement among the rollers are not limited as long as the ear belt 5 can be conveyed to the input seat 4, and the above conveying structure of the coil belongs to a conventional technology and is not unfolded here.

By adopting the mask machine of the embodiment of the invention, when the ear belt 5 and the mask body 7 are welded, the mask body 7 enters the ear belt 5 welding station, and one side of the mask body 7 is exemplarily described as follows, the ear belt 5 enters along the input seat 4, the moving component drives the pneumatic finger 6 to move horizontally to the discharge position of the input seat 4 and clamps the ear belt 5 to move along the conveying direction of the conveying track, after the required length distance of the ear belt 5 is moved, the first welding head 2 presses downwards to make the first end part of the ear belt 5 cling to the mask body 7, the moving component drives the pneumatic finger 6 to move back to the position under the second welding head 3, the second welding head 3 presses downwards to press the second end part of the ear belt 5, the cutting component 13 cuts off the ear belt 5, at the moment, the first end part of the cut-off ear belt 5 is pressed on the mask body 7 by the first welding head 2, the second end part of the ear belt 5 is pressed on the mask body 7 by the second welding head 3, the ultrasonic welding machine is started to weld the section of the ear belt 5 and the mask body 7, the first welding head 2 and the second welding head 3 are lifted and reset, the moving assembly drives the pneumatic finger 6 to move to the discharging position of the input seat 4 to circulate the operation, so that the welding operation between the mask body 7 and the ear belt 5 is realized, and the two groups of welding mechanisms can complete the welding of the ear belts 5 on the two sides of the mask body 7, compared with the existing mask machine, the structure of the mask machine in the embodiment enables the ear lines to move linearly on the welding stations of the ear belts 5, a rotary cylinder 13b and the like are not needed to drive the two end parts of the ear belts 5 to the welding point position of the mask body 7, so that a plurality of devices are reduced, the welding mechanisms are simplified, the structure of the mask machine is simple, the disassembly and the maintenance are convenient, and meanwhile, the procedures required by the welding of the ear belts 5 and, thereby improve the production efficiency and the productivity of gauze mask, further, need not reserve too big space among the gauze mask machine in this embodiment and give above-mentioned part, because the simple difficult emergence of motion trail between each part is interfered, then can make the compacter setting of a plurality of parts to make the occupation space of gauze mask machine reduce greatly, further reduction in production cost.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A mask machine is characterized in that: the mask conveying device comprises a workbench, wherein a conveying rail for conveying a mask body is arranged on the workbench, an ear belt welding station is arranged on the workbench, an ultrasonic welding machine is arranged on the bottom side of the ear belt welding station, and two groups of welding mechanisms which are symmetrically arranged are arranged on two sides of the ear belt welding station;

2. The mask machine according to claim 1, characterized in that: the moving assembly comprises a first moving table which is slidably arranged along the workbench, and the first moving table is arranged on the workbench through a first air cylinder;

3. The mask machine according to claim 2, characterized in that: the second mobile platform is provided with a connecting frame, the connecting frame comprises a first plate, a second plate and a third plate which are sequentially connected, the first plate, the second plate and the third plate form a Z-shaped connecting frame, the first plate is connected with the pneumatic fingers, and the third plate is fixedly connected with the second mobile platform.

4. The mask machine according to claim 1, characterized in that: the pneumatic finger comprises two oppositely arranged clamping jaws, a clamping space for clamping the ear belt is formed between the two clamping jaws, and when the two clamping jaws are in a clamping state, an avoiding groove corresponding to the second welding head is formed between the two clamping jaws.

5. The mask machine according to claim 1, characterized in that: the cutting assembly comprises scissors and a rotary cylinder used for driving the scissors, the rotary cylinder is electrically connected with the controller, the rotary cylinder is arranged on the workbench, and the scissors are located between the input seat and the first welding head.

6. The mask machine according to claim 1, characterized in that: the feeding groove is formed in the input seat, the ear bands are fed along the feeding groove, and the extending direction of the feeding groove is parallel to the conveying direction of the conveying rail.

7. The mask machine according to claim 1, characterized in that: the worktable is provided with a fixed support, the fixed support is bridged over the ear belt welding station, the first welding head is arranged on the fixed support in a lifting mode through a third cylinder, the second welding head is arranged on the fixed support in a lifting mode through a fourth cylinder, and the third cylinder and the fourth cylinder are respectively and electrically connected with the controller.

8. The mask machine according to claim 7, characterized in that: still be provided with the closing device who is used for compressing tightly the gauze mask body on the fixed bolster, closing device includes the pressure strip and is used for the drive the fifth cylinder of pressure strip elevating movement, the fifth cylinder sets up on the fixed bolster, the pressure strip with ear area welding station corresponds the setting, the fifth cylinder with the controller electricity is connected.

9. The mask machine according to claim 8, characterized in that: the conveying track is provided with a plurality of trays for positioning the mask body in an arrayed manner, and the trays are provided with positioning grooves corresponding to the mask body.

10. The mask machine according to claim 7, characterized in that: the feeding assembly is arranged on the fixed support and comprises a discharging roller and a plurality of conveying rollers, the discharging roller is used for winding and unwinding the ear belt raw materials, the ear belt is conveyed to the input seat along the discharging roller, and the ear belt is conveyed to the ear belt welding station.