CN111713791A

CN111713791A - Nailing machine for ear belt of mask

Info

Publication number: CN111713791A
Application number: CN202010661095.7A
Authority: CN
Inventors: 田汉溶; 杨毅; 丁笑; 周志维
Original assignee: Shenzhen Time High-Tech Equipment Co ltd
Current assignee: Shenzhen Time High-Tech Equipment Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-09-29

Abstract

The invention discloses a mask ear belt nailing machine, which comprises a workbench and an automatic mask conveying device, an automatic ear belt feeding device and an automatic ear belt nailing device, wherein the automatic mask ear belt nailing device is arranged on the workbench; the automatic ear belt feeding device is arranged close to the nailing region and conveys the ear belt to the nailing plate; the automatic ear belt nailing device comprises a nailing mechanism, a material conveying mechanism and a driving mechanism, wherein the nailing mechanism comprises a tool bit assembly, and the material conveying mechanism conveys nail wires to be opposite to the tool bit assembly; the driving mechanism drives the material conveying mechanism to convey the nail wires, the tool bit assembly is driven to cut off and bend the nail wires, and the tool bit assembly is driven to push the nail wires to the nailing plate, so that the tool bit assembly and the nailing plate are matched to nail the ear bands into the mask. This gauze mask nailer adopts full automatization's mode basically, has greatly promoted production efficiency, and only needs to set up a small amount of workman, has greatly saved the cost of labor.

Description

Nailing machine for ear belt of mask

Technical Field

The invention relates to the technical field of mask processing equipment, in particular to a nailing machine for a mask ear strap.

Background

The main part shaping and the fixed twice process production in ear area of current gauze mask mainly adopt the gauze mask, wherein the ear area is fixed generally to adopt ear area welding or ear area nailing to accomplish, generally speaking, gauze mask shaping speed is higher, and ear area welding and ear area nailing speed are lower, at gauze mask ear area nailing in-process, need carry ear area material area, the artifical ear area fixed part of aiming at to the gauze mask with the ear area again, with ear area nail into gauze mask or with ear area welding to the gauze mask on, because the process is complicated, need set up and use multiple equipment, and middle process still need set up a plurality of workman's operations, lead to ear area nailing speed can not follow up the shaping speed of gauze mask, gauze mask production efficiency is low, and the cost of labor is higher, cause unnecessary waste.

Disclosure of Invention

The invention mainly aims to provide a nailing machine for a mask ear strap, and aims to solve the problems of low production efficiency, high cost and the like in the nailing process of the mask ear strap in the prior art by adopting a manual operation nailing mode.

In order to achieve the above object, the present invention provides a respirator ear strip nailing machine, comprising a workbench and:

the automatic mask conveying device is used for conveying masks and comprises a feeding area, a nailing area and a discharging area, wherein a nailing plate is arranged in the nailing area, and an ear belt fixing part of the mask is opposite to the nailing plate;

the automatic ear belt feeding device is arranged close to the nailing region and used for conveying the ear belt to the nail striking plate;

the automatic ear belt nailing device comprises a first rack arranged on the workbench, and a nailing mechanism, a material conveying mechanism and a driving mechanism which are arranged on the first rack, wherein the nailing mechanism comprises a tool bit assembly, the material conveying mechanism is used for conveying nail wires, and the nail wires are arranged right opposite to the tool bit assembly; the driving mechanism is used for driving the material conveying mechanism to convey the nail wires, and the driving mechanism is further used for driving the cutter head assembly to cut off and bend the nail wires and drive the cutter head assembly to push the nail wires to the nailing plate, so that the cutter head assembly is matched with the nailing plate to nail the ear bands into the ear band fixing part of the mask.

Preferably, the cutter head assembly comprises a cutter seat, a cutter head and a lifting seat, the cutter seat is provided with a cutter groove, the cutter head is accommodated in the cutter groove and is in sliding contact fit with the cutter groove, and the lifting seat extends into the cutter groove; the material conveying mechanism is used for conveying nail wires, and the nail wires are arranged right opposite to the cutter grooves; the driving mechanism is used for driving the material conveying mechanism to convey the nail wires, and the driving mechanism is also used for driving the tool apron to move towards the nail wires so that the tool apron cuts off the nail wires and the nail wires are bent by matching with the lifting seat; the driving mechanism is also used for driving the cutter head to move towards the nailing wire so that the cutter head pushes the lifting seat out of the cutter groove and pushes the nailing wire to nail the ear belt into the ear belt fixing part of the mask against the nailing plate.

Preferably, the driving mechanism includes a driving motor, a driving gear, a first connecting rod and a second connecting rod, an output shaft of the driving motor is connected with a central hole of the driving gear, the driving gear is provided with an eccentric hole spaced from the central hole, an eccentric shaft is inserted into the eccentric hole, one end of the first connecting rod is connected with the eccentric shaft, the other end of the first connecting rod is connected with the tool apron, one end of the second connecting rod is connected with the eccentric shaft, and the other end of the second connecting rod is connected with the tool bit.

Preferably, the material transporting mechanism comprises a first transmission gear, a second transmission gear and a third transmission gear which are sequentially meshed, the first transmission gear is meshed with the driving gear, the second transmission gear is provided with a material transporting wheel, the third transmission gear is provided with a pressing wheel, the nail wire penetrates between the material transporting wheel and the pressing wheel, and the material transporting wheel is matched with the pressing wheel to convey the nail wire.

Preferably, automatic conveyor of gauze mask is including installing second frame on the workstation, installing transfer chain in the second frame, installing location mould and setting on the transfer chain are in lift driving piece on the transfer chain, the transfer chain includes two interval arrangement's conveyer belt and is used for the drive the first drive assembly of conveyer belt walking, the gauze mask certainly material loading district cover is established on the location mould, and can the unloading district is followed drop on the location mould, the drive of lift driving piece the nailing board rises or descends, so that correspond the nailing board with walk to the nailing district the location mould butt or break away from.

Preferably, the positioning die include the locating piece and with two mounts of locating piece connection, the locating piece with the gauze mask shape matches, when the nailing board rises with the locating piece butt, two the mount sets up relatively and respectively with two the conveyer belt is connected, and two form the confession between the mount the dodge space that the nailing board passed when rising.

Preferably, the ear belt automatic feeding device comprises a third rack, an ear belt pay-off mechanism, an ear belt wire drawing mechanism and an ear belt grabbing mechanism, wherein the ear belt pay-off mechanism comprises a supporting plate, a wire pressing wheel and a first wire guiding wheel, the wire pressing wheel is matched with the first wire guiding wheel to straighten the ear belt wire, the ear belt wire drawing mechanism comprises a second driving component, a sliding rail, an ear belt scissors, a second wire guiding wheel and an ear belt clamp, the ear belt clamp is arranged on the sliding rail in a sliding manner, the ear belt wire passes through the second wire guiding wheel from the first wire guiding wheel, the ear belt clamp is used for clamping one end of the ear belt wire, the second driving component is used for driving the ear belt clamp to slide along the sliding rail to pull one end of the ear belt wire to be far away from the ear belt scissors, the ear belt scissors are used for shearing the ear belt wire, to form a mask ear band; the ear belt grabbing mechanism comprises a third driving assembly and two grippers, wherein the third driving assembly is used for driving the two grippers to correspondingly grab two ends of the ear belt to the nailing plate respectively.

Preferably, ear area paying out machine still includes the unwrapping wire pole, crosses line wheel and adjusting part, the unwrapping wire pole sets up the top of backup pad, adjusting part includes regulating wheel and two slide bars, two the slide bar is installed side by side in the backup pad, regulating wheel movable mounting is two between the slide bar, cross the line wheel and install in the backup pad, and with the fabric wheel reaches first wire wheel homonymy sets up, the regulating wheel is located the fabric wheel reaches the below of first wire wheel, the ear area wire rod twine in the unwrapping wire pole, and the one end of ear area wire rod passes through in proper order first wire wheel the regulating wheel cross the line wheel with second wire wheel.

Preferably, the ear belt clip comprises a sliding block arranged on the sliding rail in a sliding way, a connecting plate connected with the sliding block and two clamping arms arranged on the connecting plate; the second driving assembly comprises a first driving cylinder and a second driving cylinder, the first driving cylinder is used for driving the sliding block to slide along the sliding rail, and the second driving cylinder is used for driving the two clamping arms to clamp the ear belts.

Preferably, the ear area snatchs the mechanism and includes crane, swing joint in adjustable shelf on the crane and fix the mount table on the adjustable shelf, the tongs is installed on the mount table, the lifting support liftable set up in the frame, third drive assembly includes that the third drives actuating cylinder and fourth drive actuating cylinder, the third drives actuating cylinder and is used for the drive lifting support is relative the frame goes up and down, the fourth drives actuating cylinder and is used for the drive the adjustable shelf is close to or keeps away from the ear area, so that two the tongs correspond respectively and snatch the ear area.

The mask ear belt nailing machine disclosed by the invention is characterized in that a worker is only required to be arranged in a feeding area for feeding, a mask is placed on the automatic mask conveying device, the automatic mask conveying device conveys the mask to the nailing area, the automatic ear belt conveying device conveys ear belts to the position of a right nailing plate, a driving mechanism of the automatic ear belt nailing device drives a material conveying mechanism to convey nail wires to the position right opposite to a tool bit assembly, then the driving mechanism can drive the tool bit assembly to cut and bend the nail wires simultaneously, then the tool bit assembly pushes the nail wires to the nailing plate, the tool bit assembly is matched with the nailing plate to nail the ear belts into an ear belt fixing part of the mask, in order to complete the nailing fixing process of the mask ear belts, finally, the automatic mask conveying device conveys the mask after the ear belt nailing fixing to a blanking area, and the mask automatically falls off from the blanking area. The mask conveying process, the ear belt feeding process and the mask ear belt nailing process of the mask nailing machine are carried out simultaneously, are not interfered with each other while being matched with each other, and basically adopt a full-automatic mode, so that the production efficiency is greatly improved, only a small number of workers need to be arranged, the labor cost is greatly saved, and the mask production cost is reduced.

Drawings

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

FIG. 1 is a perspective view of a nailing machine for ear straps of a mask according to an embodiment of the present invention;

FIG. 2 is a perspective view of a nailing machine for ear straps of masks without a worktable according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an automatic mask conveying device according to an embodiment of the present invention;

fig. 4 is a partial schematic view of an automatic mask conveying device according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a positioning mold of the automatic mask conveying device according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of an automatic ear strap feeding device of a nailing machine for ear straps of masks according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of an ear band unwinding mechanism of the automatic ear band feeding device according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of an ear strap cord pulling mechanism of the automatic ear strap feeding device according to an embodiment of the present invention;

FIG. 9 is an enlarged view of area A of FIG. 8;

fig. 10 is a schematic perspective view of an ear band gripping mechanism of the automatic ear band feeding device according to an embodiment of the present invention;

FIG. 11 is a perspective view of an automatic nailing device for ear straps in accordance with one embodiment of the present invention;

FIG. 12 is a perspective view of a nailing mechanism of an automatic nailing device for ear straps in accordance with one embodiment of the present invention;

FIG. 13 is a cross-sectional view of a nailing mechanism of an automatic nailing device for ear straps of the present invention bending a nail wire;

FIG. 14 is a cross-sectional view of a nailing mechanism of an automatic nailing device for ear straps according to an embodiment of the present invention nailing a nail filament into an ear strap;

FIG. 15 is a perspective view of a material conveying mechanism of an automatic nailing device for ear straps in accordance with one embodiment of the present invention;

fig. 16 is a side perspective view of a material conveying mechanism of an automatic ear nailing device according to an embodiment of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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 noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a mask ear belt nailing machine.

As shown in fig. 1 to 16, in the present embodiment, the mask ear strip nailing machine 100 includes a workbench 1, and an automatic mask conveying device 2, an automatic ear strip feeding device 3, and an automatic ear strip nailing device 4 mounted on the workbench 1, wherein the automatic mask conveying device 2 is used for conveying a mask 200, the automatic mask 200 conveying device 2 includes a feeding area 23, a nailing area 24, and a discharging area 25, a nailing plate 27 is disposed in the nailing area 24, and a fixing portion of an ear strip 300 of the mask 200 faces the nailing plate 27; the automatic ear belt 300 feeding device 3 is arranged close to the nailing region 24, and the automatic ear belt 300 feeding device 3 is used for conveying the ear belt 300 to the nailing plate 27; the automatic ear belt 300 nailing device 4 comprises a first rack 41 arranged on the workbench 1, and a nailing mechanism 42, a material conveying mechanism 44 and a driving mechanism 43 which are arranged on the first rack 41, wherein the nailing mechanism 42 comprises a tool bit assembly, the material conveying mechanism 44 is used for conveying a nail wire 400, and the nail wire 400 is arranged right opposite to the tool bit assembly; the driving mechanism 43 is used for driving the material conveying mechanism 44 to convey the nailing wire 400, and the driving mechanism 43 is also used for driving the cutter head assembly to cut off and bend the nailing wire 400, and driving the cutter head assembly to push the nailing wire 400 to the nailing plate 27, so that the cutter head assembly and the nailing plate 27 are matched to nail the ear strap 300 into the fixing part of the ear strap 300 of the mask 200.

Specifically, in the operation of the nailing machine 100 for the ear strap 300 of the mask 200 of the present embodiment, firstly, the mask 200 is loaded from the loading area 23 of the automatic conveying device 2 of the mask 200, the mask 200 is conveyed from the loading area 23 to the nailing area 24, and the fixing portion of the ear strap 300 of the mask 200 is aligned with the nailing plate 27, then the automatic conveying device 3 of the ear strap 300 is disposed at one side of the nailing area 24, the automatic conveying device 3 of the ear strap 300 conveys the ear strap 300 to the nailing plate 27, meanwhile, the material conveying mechanism 44 of the automatic nailing device 4 of the ear strap 300 conveys the nail wire 400 to the position aligned with the tool bit assembly, the tool bit assembly is aligned with the nailing plate 27, the ear strap 300 is disposed between the tool bit assembly and the nailing plate 27, the fixing portion of the ear strap 300 of the mask 200 is disposed between the nailing plate 27 and the ear strap 300, the driving mechanism 43 drives the tool bit assembly to cut and bend and shape the nail wire 400, and then push the nail wire 400 to cooperate with the nailing plate 27 to insert the ear strap 300 into the fixing portion of the mask 200, the nailing fixing work of the ear band 300 of the mask 200 is completed.

The nailing machine 100 for the ear strap 300 of the mask 200 of the present embodiment only needs to set a worker in the feeding area 23 for feeding, the mask 200 is placed on the automatic conveying device 2 of the mask 200, when the automatic conveying device 2 of the mask 200 conveys the mask 200 to the nailing area 24, the automatic conveying device 3 of the ear strap 300 conveys the ear strap 300 to the position just opposite to the nailing plate 27, and simultaneously the driving mechanism 43 of the automatic nailing device 4 of the ear strap 300 drives the material conveying mechanism 44 to convey the nail wire 400 to the position just opposite to the tool bit assembly, then the driving mechanism 43 can drive the tool bit assembly to cut and bend the nail wire 400, then the tool bit assembly pushes the nail wire 400 to the nailing plate 27, so that the tool bit assembly cooperates with the nailing plate 27 to nail the ear strap 300 into the fixing part of the ear strap 300 of the mask 200, so as to complete the nailing fixing process of the ear strap 300 of the mask 200, finally, the automatic conveying device 2 of the mask 200 conveys the mask 200 to the mask 200 after the ear strap 300 is nailed and fixed to, the mask 200 is automatically dropped from the blanking area 25. The process is carried to 200 of gauze mask nailers 'of this

embodiment gauze mask

200, 300 pay-off processes in ear area and the 300 nailing processes in 200 ear areas of gauze mask go on simultaneously, mutually noninterference when mutually supporting, adopt full automatization's mode basically, have greatly promoted production efficiency, and only need set up a small amount of workman, have greatly saved the cost of labor, have reduced gauze mask 200 manufacturing cost.

In this embodiment, as shown in fig. 11 to 16, the cutter head assembly includes a cutter holder 421, a cutter head 423 and a lifting seat 424, the cutter holder 421 is provided with a cutter slot 422, the cutter head 423 is accommodated in the cutter slot 422 and is in sliding contact with the cutter slot 422, and the lifting seat 424 extends into the cutter slot 422; the material conveying mechanism 44 is used for conveying the nail wires 400, and the nail wires 400 are arranged opposite to the cutter grooves 422; the driving mechanism 43 is used for driving the material conveying mechanism 44 to convey the nail wire 400, and the driving mechanism 43 is also used for driving the tool apron 421 to move towards the nail wire 400, so that the tool apron 421 cuts off the nail wire 400 and is matched with the lifting seat 424 to bend the nail wire 400; the driving mechanism 43 is further used for driving the cutter head 423 to move towards the nailing strip 400, so that the cutter head 423 pushes the lifting seat 424 out of the cutter slot 422, and pushes the nailing strip 400 against the nailing plate 27 to nail the ear strap 300 into the ear strap 300 fixing part of the mask 200.

In a preferred embodiment of the present invention, as shown in fig. 13 and 14, a clamping groove 424a and a first slope surface 424c are provided at one end of the lifting seat 424 extending into the knife groove 422, the staple 400 extends into the clamping groove 424a, and the extending direction of the clamping groove 424a is perpendicular to the extending direction of the knife groove 422; the distance between the first slope surface 424c and the clamping groove 424a is gradually increased along the direction of the tool holder 421; the tool bit 423 is provided with a second slope surface 423a engaged with the first slope surface 424 c; a fixing block 411 is further disposed on the first frame 41 near the lifting seat 424, and an end of the lifting seat 424 far from the clamping slot 424a is connected to the fixing block 411 through an elastic member 424 b. In the working process of the automatic nailing device 4 of the ear belt 300, firstly, the tool apron 421 retreats into the first frame 41, the tool bit 423 retreats into the tool slot 422, the lifting seat 424 extends into the tool slot 422, the end of the nail filament 400 aligns with the notch of the clamping groove 424a, the material conveying mechanism 44 conveys the nail filament 400 into the clamping groove 424a, then the driving mechanism 43 drives the tool apron 421 to move towards the nail filament 400 and cut off the nail filament 400, and the nail filament 400 is bent into a U-shaped needle shape by matching with the groove wall of the clamping groove 424a, finally, the driving mechanism 43 drives the tool bit 423 to move towards the lifting seat 424 until the first slope surface 424c is abutted against the second slope surface 423a, when the tool bit 423 continues to move forwards, the forward impact force of the tool bit 423 is converted into downward extrusion force by matching of the second slope surface 423a and the first slope surface 424c, the driving mechanism 43 drives the tool bit 423 to extrude the lifting seat 424, so that the lifting seat 424 compresses the elastic piece 424b, the tool bit 423 nails the nail wire 400 into the ear belt 300 while ejecting the lifting seat 424, so that the ear belt 300 is fixed on the mask 200, after the nailing is completed, the tool bit 423 retreats into the tool slot 422, the rebound force of the elastic member 424b acts on the lifting seat 424, and the lifting seat 424 rebounds again to extend into the tool slot 422. Accomplish the nailing process fast, promoted the fixed efficiency of ear area 300, saved the cost of labor simultaneously.

In this embodiment, as shown in fig. 15 and 16, the driving mechanism 43 includes a driving motor 431, a driving gear 432, a first connecting rod 433, and a second connecting rod 434, an output shaft of the driving motor 431 is connected to a central hole of the driving gear 432, the driving gear 432 is provided with an eccentric hole spaced from the central hole, an eccentric shaft 435 is inserted into the eccentric hole, one end of the first connecting rod 433 is connected to the eccentric shaft 435, the other end of the first connecting rod 433 is connected to the tool holder 421, one end of the second connecting rod 434 is connected to the eccentric shaft 435, and the other end of the second connecting rod 434 is connected to the tool bit 423. Because one end of the first connecting rod 433 and one end of the second connecting rod 434 are both connected with the eccentric shaft 435, and the other ends of the first connecting rod 433 and the second connecting rod 434 are opposite to each other, when the eccentric shaft 435 rotates to one side close to the tool bit 423, the tool bit 423 is ejected outwards, at the moment, the eccentric shaft 435 is far away from the tool apron 421, so that the tool apron 421 retreats into the first frame 41, when the eccentric shaft 435 rotates to one side far away from the tool bit 423, the tool bit 423 retreats into the tool slot 422, at the moment, the eccentric shaft 435 is close to the tool apron 421, the tool apron 421 is ejected outwards, the nailing wire 400 is bent and cut off, so that the driving motor 431 can automatically control the nailing process of the tool bit 423 component.

In this embodiment, the material transporting mechanism 44 includes a first transmission gear 441, a second transmission gear 442 and a third transmission gear 443 which are sequentially engaged with each other, the first transmission gear 441 is engaged with the driving gear 432, the second transmission gear 442 is provided with a material transporting wheel 442a, the third transmission gear 443 is provided with a pressing wheel 443a, the staple wire 400 passes through the space between the material transporting wheel 442a and the pressing wheel 443a, and the material transporting wheel 442a is engaged with the pressing wheel 443a to transport the staple wire 400. As shown in fig. 15 and 16, the material conveying mechanism 44 further includes a guide assembly disposed on the first frame 41, the guide assembly includes a guide plate 444, a guide wheel 445 and a guide piece 446, the guide plate 444 and the guide piece 446 are disposed on two sides of the material conveying mechanism 44, the guide plate 444 is provided with a guide groove 444a, and an extending direction of the guide groove 444a is consistent with an extending direction of the guide plate 444 and penetrates through the guide plate 444; the staple wire 400 passes through the guide groove 444a, the staple wire 400 is closely and slidably disposed on the guide piece 446, and the guide wheel 445 is disposed close to the guide piece 446 and abuts against the staple wire 400. The second transmission gear 442 drives the feeding wheel 442a to rotate and feed the staple 400, so that the staple 400 is led out from the tray 401, after the staple is guided by the guide sheet 446 and the guide wheel 445, the third transmission gear 443 drives the pressing wheel 443a to rotate, the staple 400 is guaranteed to be flat through the pressing of the feeding wheel 442a and the pressing wheel 443a, finally, the staple 400 passes through the guide groove 444a of the guide plate 444 and extends into the clamping groove 424a, and the stability of feeding the staple 400 is guaranteed.

In this embodiment, as shown in fig. 3 and 4, the automatic conveying device 2 of the mask 200 includes a second frame 21 installed on the workbench 1, a conveying line 22 installed on the second frame 21, a positioning module 26 installed on the conveying line 22, and a lifting driving member 28 disposed on the conveying line 22, the conveying line 22 further includes two conveying belts 221 arranged at intervals and a first driving assembly 222 for driving the conveying belts 221 to travel, the mask 200 is sleeved on the positioning module 26 from the feeding area 23 and can fall off from the positioning module 26 in the blanking area 25, and the lifting driving member 28 drives the nailing plate 27 to ascend or descend so as to correspondingly enable the nailing plate 27 to abut against or separate from the positioning module 26 traveling to the nailing area 24.

The automatic conveying device 2 of the mask 200 of the embodiment adopts the mode of the conveying belts 221, the two conveying belts 221 are arranged at intervals, the two sides of the positioning die 26 are respectively installed on the two conveying belts 221, so that the positioning die 26 is stable in structure, and the deviation of the positioning die 26 is prevented, in the working process of the automatic conveying device 2 of the mask 200, firstly, the mask 200 is loaded on the loading area 23 and sleeved on the positioning die 26, as shown in fig. 3 to 5, the conveying belts 221 convey the positioning die 26 sleeved with the mask 200 to the nailing area 24, then the lifting driving piece 28 drives the nailing plate 27 to ascend to the positioning die 26 to abut, the nailing plate 27 is over against the fixed position of the ear belt 300 of the mask 200, so that the ear belt 300 is fixed on the mask 200 by the external nailing device, after the nailing is completed, the lifting driving piece 28 drives the nailing plate 27 to descend, so that the nailing plate 27 is separated from the positioning die 26, and finally, the conveying belts 221 continuously convey the positioning, the mask 200 after completing nailing drops automatically from the blanking area 25, and the automatic conveying mode greatly improves the production efficiency and saves the labor cost.

In another embodiment, the number of the positioning die 26 is plural, the plural positioning dies 26 are installed on the conveyor belt 221 at intervals, and the nailing plate 27 can abut on or be separated from any one of the positioning dies 26 which travels to the nailing section 24. After completing the nailing of one mask 200, the next nailing can be rapidly performed without waiting for the positioning die 26 to be circulated by one turn by the conveyor belt 221, further improving the production efficiency.

In this embodiment, as shown in fig. 5, the positioning die 26 includes a positioning block 261 and two fixing frames 262 connected to the positioning block 261, the positioning block 261 is matched with the mask 200 in shape, the nailing plate 27 abuts against the positioning block 261 when rising, the two fixing frames 262 are oppositely disposed and connected to the two conveyor belts 221, respectively, and an avoiding space 263 through which the nailing plate 27 passes when rising is formed between the two fixing frames 262. The two fixing frames 262 are respectively connected with the two conveyor belts 221, so as to ensure that the positioning die 26 is more stably fixed on the conveyor belts 221, the two fixing frames 262 and the positioning die 26 form an avoiding space 263, and the lifting driving member 28 drives the nailing plate 27 to enter the avoiding space 263, so as to ensure that the nailing plate 27 can be effectively abutted against the positioning die 26.

In this embodiment, as shown in fig. 6 to 9, the automatic feeding device 3 for ear strap includes a third frame 31, and an ear strap unwinding mechanism 32, an ear strap drawing mechanism 33 and an ear strap grabbing mechanism 34 installed on the third frame 31, the ear strap unwinding mechanism 32 includes a supporting plate 321, a wire pressing wheel 322 installed on one side of the supporting plate 321 and a first wire guiding wheel 323, the wire pressing wheel 322 cooperates with the first wire guiding wheel 323 to straighten the ear strap 300, the ear strap drawing mechanism 33 includes a second driving component 331, a sliding rail 332, an ear strap scissors 335, a second wire guiding wheel 334 and an ear strap 300 clip 333 slidably installed on the sliding rail 332, the ear strap 300 passes through the second wire guiding wheel 334 from the first wire guiding wheel 323, the ear strap clip 333 is used for clamping one end of the ear strap 300, the second driving component 331 is used for driving the ear strap clip 333 to slide along the sliding rail 332 to pull one end of the ear strap 300 away from the ear strap scissors 335, the ear strap 300 scissors 335 are used for cutting the ear strap 300, to form a mask ear band 300; the ear strap gripping mechanism 34 includes a third driving assembly 341 and two grippers 342, and the third driving assembly 341 is configured to drive the two grippers 342 to grip the two ends of the ear strap 300 to the nailing plate 27. The automatic feeding device 3 for the ear belt of the mask in the embodiment adopts a full-automatic feeding mode, so that the production efficiency is greatly improved, workers do not need to be arranged, the labor cost is saved, and the production cost of the mask 200 is further reduced.

In a preferred embodiment of the present invention, as shown in fig. 8 and 9, the ear belt cord pulling mechanism 33 further includes a guide block 336, a lifting block 337, and a lifting driving cylinder 337b, the guide block 336 is provided with a groove 336a for the cord of the ear belt 300 to pass through, the guide block 336 is disposed between the second guide pulley 334 and the ear belt clamp 333, the lifting block 337 is located above the guide block 336, the lifting driving cylinder 337b is used for driving the lifting block 337 to lift, an opening of the groove 336a is disposed upward, a protrusion 337a capable of being inserted into the groove 336a is disposed at a lower side of the lifting block 337, and the cord of the ear belt 300 can pass through a gap between the protrusion 337a and a bottom wall of the groove 336 a. The ear belt 300 passes through the groove 336a on the guide block 336 after passing through the second wire guide wheel 334, the groove 336a has a limiting effect on the ear belt 300, so that the advancing direction of the ear belt 300 is the same as the extending direction of the groove 336a, and the lug 337a on the lower side of the lifting block 337 is matched with the groove 336a to tightly clamp the ear belt clamp 333 in the groove 336a, so that the ear belt 300 is straightened, meanwhile, the ear belt 300 is prevented from falling off, and the stability of the conveying process of the ear belt 300 is ensured.

In this embodiment, as shown in fig. 7, the ear belt paying-off mechanism 32 further includes a paying-off rod 324, a wire passing wheel 325 and an adjusting assembly, the paying-off rod 324 is disposed above the supporting plate 321, the adjusting assembly includes an adjusting wheel 326 and two sliding rods 327, the two sliding rods 327 are mounted on the supporting plate 321 side by side, the adjusting wheel 326 is movably mounted between the two sliding rods 327, the wire passing wheel 325 is mounted on the supporting plate 321 and disposed on the same side as the wire pressing wheel 322 and the first wire guiding wheel 323, the adjusting wheel 326 is located below the wire pressing wheel 322 and the first wire guiding wheel 323, the ear belt 300 is wound on the wire releasing rod 324, and one end of the ear belt 300 sequentially passes through the first wire guiding wheel 323, the adjusting wheel 326, the wire passing wheel 325 and the second wire guiding wheel 334. The supporting plate 321 is further provided with a wire passing wheel 325, the wire passing wheel 325 is arranged on one side, away from the wire pressing wheel 322, of the first wire guiding wheel 323, the adjusting wheel 326 is used for adjusting the tightness degree of the wires of the ear bands 300, the wires of the ear bands 300 are prevented from being stretched too tightly or too loose in the conveying process, the driving piece drives the first wire guiding wheel 323 to rotate, and one end, driving the wires of the ear bands 300 sequentially passes through the first wire guiding wheel 323, the adjusting wheel 326, the wire passing wheel 325 and the second wire guiding wheel 334.

In a preferred embodiment of the present invention, the supporting plate 321 is provided with a waist-shaped hole (not shown), the connecting shaft of the wire pressing wheel 322 passes through the waist-shaped hole, the ear belt 300 pressing mechanism further includes a spring (not shown) and a rotating arm (not shown) which are arranged at the other side of the supporting plate 321, one end of the rotating arm is hinged to the supporting plate 321, the other end of the rotating arm is connected with the connecting shaft, one end of the spring is connected with the rotating arm, and the other end of the spring is connected with the supporting plate 321. The rotating arm can move in the waist-shaped hole, the spring enables the wire pressing wheel 322 to be always tightly attached to the first wire guiding wheel 323 to compress and straighten the ear strap 300 wires, and due to the elastic action of the spring, the wire pressing wheel 322 and the second wire guiding wheel 334 can be suitable for the ear strap 300 wires of different specifications, so that the application range of the automatic feeding device 3 for the ear strap of the mask 200 is widened.

In this embodiment, as shown in fig. 8 and 9, the ear strap clamp 333 includes a sliding block 333a slidably disposed on the sliding rail 332, a connecting plate connected to the sliding block 333a, and two clamping arms 333b mounted on the connecting plate; the second driving assembly 331 includes a first driving cylinder 331a and a second driving cylinder 331b, the first driving cylinder 331a is used for driving the sliding block 333a to slide, and the second driving cylinder 331b is used for driving the two clamping arms 333b to clamp the ear strap 300. The first driving cylinder 331a drives the sliding block 333a to slide along the sliding rail 332, the sliding block 333a drives the ear belt 300 clamp 333 to move to the guide block 336, when the sliding block 336 moves to the position of the guide block 336, the second driving cylinder 331b drives the clamping arm 333b to clamp one end of the ear belt 300, and then the first driving cylinder 331a drives the ear belt clamp 333 to move away from the guide block 336 to straighten the ear belt 300.

In this embodiment, as shown in fig. 10, the ear band gripping mechanism 34 includes a lifting frame 343, a movable frame 344 movably mounted on the lifting frame 343, and a mounting platform 345 fixed on the movable frame 344, the hand grip 342 is mounted on the mounting platform 345, the lifting frame 343 is arranged on the third frame 31 in a lifting manner, the third driving assembly 341 includes a third driving cylinder 341a and a fourth driving cylinder 341b, the third driving cylinder 341a is used for driving the lifting frame 343 to lift relative to the third frame 31, and the fourth driving cylinder 341b is used for driving the movable frame 344 to approach or leave the ear band 300, so that the two hand grips 342 respectively grip the ear band 300. In the working process of the ear band grabbing mechanism 34, the third driving cylinder 341a drives the lifting bracket to descend to the position of the ear band 300, the fourth driving cylinder 341b drives the movable frame 344 to move towards the ear band 300, the two grippers 342 are respectively provided with grabbing cylinders, the grabbing cylinders drive the two grippers 342 to respectively grip two ends of the ear band 300, the third driving cylinder 341a drives the lifting bracket and the fourth driving cylinder 341b drives the movable frame 344, and two ends of the ear band 300 are aligned with the connection part of the ear band 300 on the mask 200.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a gauze mask ear area nailer, its characterized in that, gauze mask ear area nailer includes the workstation and installs on the workstation:

2. The mask earband nailing machine of claim 1 wherein the cutter head assembly comprises a cutter base, a cutter head and a lifting base, the cutter base being provided with a cutter slot, the cutter head being received in the cutter slot and being in sliding contact with and cooperating with the cutter slot, the lifting base extending into the cutter slot; the material conveying mechanism is used for conveying nail wires, and the nail wires are arranged right opposite to the cutter grooves; the driving mechanism is used for driving the material conveying mechanism to convey the nail wires, and the driving mechanism is also used for driving the tool apron to move towards the nail wires so that the tool apron cuts off the nail wires and the nail wires are bent by matching with the lifting seat; the driving mechanism is also used for driving the cutter head to move towards the nailing wire so that the cutter head pushes the lifting seat out of the cutter groove and pushes the nailing wire to nail the ear belt into the ear belt fixing part of the mask against the nailing plate.

3. The mask earband nailing machine of claim 2, wherein the driving mechanism comprises a driving motor, a driving gear, a first connecting rod and a second connecting rod, an output shaft of the driving motor is connected to a central hole of the driving gear, the driving gear is provided with an eccentric hole spaced from the central hole, an eccentric shaft is inserted into the eccentric hole, one end of the first connecting rod is connected to the eccentric shaft, the other end of the first connecting rod is connected to the tool rest, one end of the second connecting rod is connected to the eccentric shaft, and the other end of the second connecting rod is connected to the tool bit.

4. The mask ear band nailing machine of claim 1, wherein the material conveying mechanism comprises a first transmission gear, a second transmission gear and a third transmission gear which are meshed in sequence, the first transmission gear is meshed with the driving gear, the second transmission gear is provided with a material conveying wheel, the third transmission gear is provided with a pressing wheel, the nail wire passes through the space between the material conveying wheel and the pressing wheel, and the material conveying wheel is matched with the pressing wheel to convey the nail wire.

5. The mask ear belt nailing machine of claim 1, wherein the automatic mask conveying device comprises a second frame mounted on the workbench, a conveying line mounted on the second frame, a positioning module mounted on the conveying line, and a lifting driving member arranged on the conveying line, the conveying line comprises two conveying belts arranged at intervals and a first driving assembly used for driving the conveying belts to walk, the mask is sleeved on the positioning module from the feeding area and can fall off from the positioning module in the discharging area, and the lifting driving member drives the nailing plate to ascend or descend so as to correspondingly enable the nailing plate to abut against or separate from the positioning module walking to the nailing area.

6. The mask earband nailing machine of claim 5, wherein the positioning module comprises a positioning block and two fixing frames connected with the positioning block, the positioning block is matched with the mask in shape, the nailing plate abuts against the positioning block when ascending, the two fixing frames are oppositely arranged and respectively connected with the two conveying belts, and an avoiding space for the nailing plate to pass through when ascending is formed between the two fixing frames.

7. The mask ear strip nailing machine according to any one of claims 1 to 6, wherein the ear strip automatic feeding device comprises a third frame, and an ear strip unwinding mechanism, an ear strip wire pulling mechanism and an ear strip grabbing mechanism which are arranged on the third frame, the ear strip unwinding mechanism comprises a support plate, a wire pressing wheel and a first wire guiding wheel, the wire pressing wheel is arranged on one side of the support plate and is matched with the first wire guiding wheel to straighten an ear strip wire, the ear strip wire pulling mechanism comprises a second driving component, a sliding rail, an ear strip shear, a second wire guiding wheel and an ear strip clamp which is arranged on the sliding rail in a sliding manner, the ear strip wire passes through the second wire guiding wheel from the first wire guiding wheel, the ear strip clamp is used for clamping one end of the ear strip wire, the second driving component is used for driving the ear strip clamp to slide along the sliding rail so as to pull one end of the ear strip wire to be far away from the ear strip shear, the ear belt scissors are used for cutting off ear belt wires to form the mask ear belt; the ear belt grabbing mechanism comprises a third driving assembly and two grippers, wherein the third driving assembly is used for driving the two grippers to correspondingly grab two ends of the ear belt to the nailing plate respectively.

8. The mask ear belt nailing machine of claim 7, wherein the ear belt paying out mechanism further comprises a paying out rod, a wire passing wheel and an adjusting component, the paying out rod is arranged above the supporting plate, the adjusting component comprises an adjusting wheel and two sliding rods, the two sliding rods are arranged on the supporting plate side by side, the adjusting wheel is movably arranged between the two sliding rods, the wire passing wheel is arranged on the supporting plate and is arranged on the same side with the wire pressing wheel and the first wire guiding wheel, the adjusting wheel is arranged below the wire pressing wheel and the first wire guiding wheel, the ear belt wire is wound on the paying out rod, and one end of the ear belt wire sequentially passes through the first wire guiding wheel, the adjusting wheel, the wire passing wheel and the second wire guiding wheel.

9. The mask earband nailer of claim 7 wherein said earband clip includes a slider slidably mounted on said slide rail, a web connected to said slider, and two clip arms mounted on said web; the second driving assembly comprises a first driving cylinder and a second driving cylinder, the first driving cylinder is used for driving the sliding block to slide along the sliding rail, and the second driving cylinder is used for driving the two clamping arms to clamp the ear belts.

10. The mask ear strip nailing machine of claim 7, wherein the ear strip grabbing mechanism comprises a lifting frame, a movable frame movably mounted on the lifting frame, and a mounting table fixed on the movable frame, the hand grip is mounted on the mounting table, the lifting frame is arranged on the third frame in a lifting manner, the third driving assembly comprises a third driving cylinder and a fourth driving cylinder, the third driving cylinder is used for driving the lifting frame to lift relative to the third frame, and the fourth driving cylinder is used for driving the movable frame to be close to or far away from the ear strip, so that the two hand grips correspondingly grab the ear strip respectively.