CN214962939U - Fish-shaped semi-closed loop ear belt machine - Google Patents

Abstract

The utility model belongs to the technical field of mask machines, in particular to a fish-shaped semi-closed loop ear belt machine, which comprises a frame, a conveying device, two groups of ear belt conveying and cutting devices and an ear belt welding device, wherein the conveying device, the two groups of ear belt conveying and cutting devices and the ear belt welding device are arranged on the frame; the device also comprises a support frame, two groups of clamping rotating devices, two groups of welding mechanisms and two groups of folding mechanisms; the clamping and rotating device is used for clamping the ear belt of the fish-shaped mask conveyed to the bottom end of the clamping and rotating device and clamping the ear belt to turn over to the edge of the fish-shaped mask; the folding mechanism is used for folding the edge folding part of the fish-shaped mask upwards and wrapping a section of ear belt attached to the edge of the fish-shaped mask; the two welding mechanisms are used for welding the folding part of the fish-shaped mask. The clamping and rotating device clamps a section of the ear belt of the fish-shaped mask close to the folding part and turns the section of the ear belt over 90 degrees, the folding part of the fish-shaped mask is folded upwards by the folding mechanism and wraps a section of the ear belt attached to the edge of the fish-shaped mask, and the folding part is welded on the fish-shaped mask by the welding mechanism, so that the full automation of the whole process is realized, and the production efficiency is improved.

Description

Fish-shaped semi-closed loop ear belt machine

Technical Field

The utility model belongs to the technical field of the gauze mask machine, especially, relate to a half closed loop ear tape unit of fish type.

Background

The mask is a daily protective article commonly used by people in daily life, and a plurality of functional masks such as dust masks are also produced, for example, under the current industrialized times, the environment is polluted increasingly, people can wear the dust masks more and more in daily life, and the dust masks need to be in close contact with human faces to achieve the effect of filtering dust, so that the tying belts are generally tight, the fit degree of the mask body and the human faces is enhanced, and the dust isolation effect is enhanced.

The side end of the fish-shaped mask is provided with a folding part (refer to figure 1), two ends of the ear belt are welded at the upper end of the folding part, and when fusion welding is carried out, the folding part is turned over to cover a section of the ear belt close to the folding part, so that the ear belt with adjustable tightness is formed. The existing welding of the folding part of the fish-shaped mask needs to manually turn the folding part, so that the processing technology is complex, the processing efficiency is low, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fish type semi-closed loop ear tape unit aims at solving the current fish type gauze mask folded portion melting welding among the prior art and needs the manual work to turn over a folded portion, leads to the lower technical problem of machining efficiency.

In order to achieve the above purpose, an embodiment of the present invention provides a fish-type semi-closed loop ear belt machine, which includes a frame, and a conveying device, two sets of ear belt conveying and cutting devices and an ear belt welding device, which are arranged on the frame, wherein the conveying device is used for conveying a fish-type mask, and the two sets of ear belt conveying and cutting devices are arranged on two sides of the conveying device, and are used for pulling out and cutting off an ear belt; the ear belt welding device is used for welding the cut ear belt on the fish-shaped mask; the device also comprises a support frame, two groups of clamping rotating devices, two groups of welding mechanisms and two groups of folding mechanisms; the support frame is arranged on the rack, the two groups of clamping and rotating devices are oppositely arranged on the support frame, and the clamping and rotating devices are used for clamping the ear belts of the fish-shaped mask conveyed to the bottom end of the clamping and rotating devices and clamping the ear belts to turn over to the edge of the fish-shaped mask; the two groups of folding mechanisms are oppositely arranged at two sides of the conveying device, and are used for folding the edge folding part of the fish-shaped mask upwards and wrapping a section of ear belt attached to the edge of the fish-shaped mask; the two welding mechanisms are used for welding the folding part of the fish-shaped mask.

Optionally, the clamping and rotating device comprises a supporting plate, a first lifting mechanism, a bottom plate, a rotating shaft, a driving cylinder, a rack, a gear, a connecting plate and a parallel clamp; the supporting plate is arranged on the supporting frame, the first lifting mechanism is arranged on the supporting plate, and the bottom plate is arranged at the bottom end of the first lifting mechanism; the rotating shaft rotatably penetrates through the bottom plate, and the gear is arranged at the upper end of the rotating shaft; the driving cylinder is arranged on the bottom plate, and the rack is arranged at the telescopic end of the driving cylinder and is meshed with the gear; the connecting plate sets up the lower extreme of rotation axis, the parallel clamp is located the connecting plate is kept away from the one end of rotation axis, all be provided with splint on two clamp splice of parallel clamp, two the both ends of splint all are provided with the clamping jaw relatively for the centre gripping ear area.

Optionally, the clamping and rotating device further comprises an ear belt straightening mechanism, the ear belt straightening mechanism comprises a first linear module, a push-out cylinder, a first mounting plate, a second mounting plate, a translation cylinder and an ear belt hooking piece, the first linear module is arranged on the rack, the first mounting plate is connected with the output end of the first linear module, the push-out cylinder is arranged on the first mounting plate, the output end of the push-out cylinder is connected with the second mounting plate, the translation cylinder is arranged on the second mounting plate, and the output end of the translation cylinder is connected with the ear belt hooking piece and is used for driving the ear belt hooking piece to horizontally move along the direction parallel to the conveying direction of the mask; one end of the second mounting plate is provided with a limiting part extending towards the conveying device, and the limiting part is used for being matched with the ear belt hook piece to limit the ear belt.

Optionally, the ear strap straightening mechanism further comprises a separation plate, a free end of the separation plate extends to the telescopic end of the ear strap hooking piece, the other end of the separation plate extends outwards to form a connecting part, a free end of the connecting part is provided with a support column, and the support column is arranged on the rack; the ear belt conveying and cutting device is located on the outer side of the separating plate, and two ends of the ear belt cut by the ear belt conveying and cutting device are respectively distributed on two sides of the connecting portion.

Optionally, the folding mechanism includes a first pushing cylinder, a first fixing plate, a second fixing plate, a third fixing plate, a second pushing cylinder, a top plate cylinder and a side pushing plate, the first fixing plate is disposed on the frame, a slide rail is disposed on the first fixing plate, the first pushing cylinder is disposed on the first fixing plate, the second fixing plate is slidably connected to the slide rail, a moving end of the first pushing cylinder is connected to the second fixing plate, the second pushing cylinder is disposed on the second fixing plate, a moving end of the second pushing cylinder is connected to the third fixing plate, the top plate cylinder is disposed on the third fixing plate, and an output end of the top plate cylinder is connected to the side pushing plate and used for pushing the side pushing plate upwards.

Optionally, the folding mechanism further comprises a pressing assembly, the pressing assembly comprises a second lifting mechanism, a two-way cylinder, a cylinder fixing plate and two pressing seats, the second lifting mechanism is mounted on the supporting frame, the cylinder fixing plate is arranged at the bottom end of the second lifting mechanism, the two-way cylinder is mounted at the bottom of the cylinder fixing plate, two moving ends of the two-way cylinder are respectively provided with the pressing seats, the outer end of each pressing seat is provided with a clearance groove for clearance of the welding part of the welding mechanism, and the clearance grooves enable the pressing seats to form two pressing parts for pressing the edge of the end part of the fish-shaped mask.

Optionally, the welding mechanism comprises an ultrasonic welding machine, a third lifting mechanism and a welding press block; the ultrasonic welding machine is arranged in the frame, and a welding part of the ultrasonic welding machine extends to the top of the frame; the third lifting mechanism is arranged on the support frame, and the welding pressing block is arranged at the bottom end of the third lifting mechanism and extends to the upper side of the ultrasonic welding machine.

Optionally, the ear belt conveying and cutting device comprises an ear belt input mechanism, a second linear module, a pneumatic clamp, a threading seat, a pressing cylinder and a pneumatic scissors; the ear belt input mechanism is arranged on the mounting frame of the ear belt welding device and used for storing the ear belts; the second linear module is arranged on the rack, the pneumatic clamp is arranged on a moving seat of the second linear module, the threading seat and the pneumatic scissors are arranged on the rack, an extending part extends from the upper end of the threading seat to one side of the pneumatic scissors, a threading groove is formed in the extending part, the pressing air cylinder is arranged at the bottom of the extending part, and a piston rod of the pressing air cylinder extends into the threading groove; the free end of the ear belt material of the ear belt input mechanism sequentially penetrates through the threading groove and the pneumatic scissors.

Optionally, the conveying device comprises a chain conveying line and a plurality of groups of positioning dies; the chain conveying line is arranged on the rack, the positioning die is arranged on the chain conveying line, and the positioning die is provided with a positioning cavity for positioning the fish-shaped mask.

Optionally, the conveying device further comprises two partition plates oppositely arranged on the rack; the chain conveying line is arranged between the two partition plates; the separation plate with be equipped with the interval between the positioning die, the ear area weld in the fish-type gauze mask pass the interval and stretch out in the side in the outside of separation plate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the half closed loop ear tape unit of fish type has one of following technological effect at least: in the fish-shaped semi-closed loop ear belt machine provided by the embodiment of the utility model, the fish-shaped mask is placed on the conveying device and is conveyed by the conveying device; the ear band conveying and cutting device pulls out the ear band with proper length and cuts the ear band, the ear band welding device clamps the ear band and welds the ear band at the side end of the fish-shaped mask, and thus the ear band welding at the two ends of the fish-shaped mask is completed at the same time; the fish-shaped mask after the ear strips are welded is conveyed to the bottom of the clamping and rotating device through the conveying device, the clamping and rotating device is arranged on the supporting frame, the supporting frame is arranged on the rack, so that the bottom of the clamping and rotating device is suspended, the clamping and rotating device clamps one section of the ear strips of the fish-shaped mask, which is close to the folding part, and overturns the section of the ear strips by 90 degrees, the folding mechanism is arranged at the side of the clamping and rotating device and upwards folds the folding part of the fish-shaped mask and wraps one section of the ear strips which are attached to the edge of the fish-shaped mask, and the folding mechanism is used for welding the folding part on the fish-shaped mask, so that the whole process is fully automatic, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a folding portion of a fish mask according to an embodiment of the present invention before and after welding.

Fig. 2 is a schematic structural view of a fish-type semi-closed loop ear band machine provided by the embodiment of the present invention.

Fig. 3 is a schematic structural view of a fish-shaped semi-closed loop ear band machine according to another view angle provided by the embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of a clamping and rotating device provided in an embodiment of the present invention

Fig. 6 is a schematic structural view of the clamping and rotating device according to another view angle provided by the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a welding mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a pressing assembly according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of an ear band straightening mechanism according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a folding mechanism according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of an ear belt conveying and cutting device provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-frame 20-conveying device 21-chain conveying line

22-positioning die 23-clapboard 30-ear belt conveying and cutting device

31-ear belt input mechanism 32-second linear module 33-ear belt pneumatic clamp

34-threading seat 35-pressing cylinder 36-pneumatic scissors

40-ear belt welding device 41-mounting rack 50-support frame

60-clamping rotating device 61-supporting plate 62-first lifting mechanism

63-driving cylinder 64-rack 65-parallel clamp

66 ear belt straightening mechanism 67, rotating shaft 68 and gear

69-connecting plate 70-welding mechanism 71-welding part

72-third lifting mechanism 73-ultrasonic welding machine 74-welding press block

80-folding mechanism 81-first pushing cylinder 82-first fixing plate

83-second fixed plate 84-third fixed plate 85-second push-out cylinder

86-top plate cylinder 87-edge pushing plate 88-pressing assembly

90-fish-shaped mask 91-folding part 221-positioning cavity

341 extension 611, base plate 651, cleat

652-clamping jaw 653-clamping block 661-first linear module

662-push-out cylinder 663-first mounting plate 664-second mounting plate

665-translation cylinder 666-ear belt hook 667-limit part

668-separating plate 821-sliding rail 881-second lifting mechanism

882-bidirectional cylinder 883-cylinder fixing plate 884-two pressing seats

6681-connecting part 6682-supporting column 8841-clearance groove

8842-pressing part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-11 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

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

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 11, a fish-shaped semi-closed loop ear belt machine is provided, which includes a frame 10, and a conveying device 20, two sets of ear belt conveying and cutting devices 30 and an ear belt welding device 40 which are disposed on the frame 10, wherein the conveying device 20 is used for conveying a fish-shaped mask 90, and the two sets of ear belt conveying and cutting devices 30 are disposed on two sides of the conveying device 20, and are used for pulling out and cutting off ear belts; the ear band welding device 40 is used for welding the cut ear band on the fish-shaped mask 90; the device also comprises a support frame 50, two groups of clamping rotating devices 60, two groups of welding mechanisms 70 and two groups of folding mechanisms 80; the supporting frame 50 is arranged on the rack 10, the two groups of clamping and rotating devices 60 are oppositely arranged on the supporting frame 50, and the clamping and rotating devices 60 are used for clamping the ear belts of the fish-shaped mask 90 conveyed to the bottom end of the clamping and rotating devices and clamping the ear belts to turn over to the edge of the fish-shaped mask 90; the two groups of folding mechanisms 80 are oppositely arranged at two sides of the conveying device 20, and are used for folding the edge folding part 91 of the fish-shaped mask 90 upwards and wrapping a section of ear belt attached to the edge of the fish-shaped mask 90; the two welding mechanisms 70 are used for welding the folded part 91 of the fish mask 90.

Specifically, in the fish-shaped semi-closed loop ear belt machine according to the embodiment of the present invention, the fish-shaped mask 90 is placed on the conveying device 20 and conveyed by the conveying device 20; the ear band is pulled out by a proper length by the ear band conveying and cutting device 30 and is cut off, the ear band is clamped by the ear band welding device 40 and is welded at the side end of the fish-shaped mask 90, and thus the ear bands at the two ends of the fish-shaped mask 90 are welded at the same time; the fish-shaped mask 90 with the welded ear bands is conveyed to the bottom of the clamping and rotating device 60 through the conveying device 20, the clamping and rotating device 60 is arranged on the supporting frame 50, the supporting frame 50 is arranged on the rack 10, so that the bottom of the clamping and rotating device 60 is suspended, the clamping and rotating device 60 clamps one section of the ear bands of the fish-shaped mask 90, which is close to the folding part 91, and overturns the section of the ear bands by 90 degrees, the folding mechanism 80 is arranged at the side of the clamping and rotating device 60 and folds the folding part 91 of the fish-shaped mask 90 upwards to wrap one section of the ear bands which are attached to the edge of the fish-shaped mask 90, and the folding part 91 is welded on the fish-shaped mask 90 by the welding mechanism 70, so that the whole process is fully automatic, and the production efficiency is improved.

In another embodiment of the present invention, as shown in fig. 1 to 6, the clamping and rotating device 60 includes a supporting plate 61, a first lifting mechanism 62, a bottom plate 611, a rotating shaft 67, a driving cylinder 63, a rack 64, a gear 68, a connecting plate 69 and a parallel clamp 65; the supporting plate 61 is disposed on the supporting frame 50, the first lifting mechanism 62 is disposed on the supporting plate 61, and the bottom plate 611 is disposed at the bottom end of the first lifting mechanism 62; the rotation shaft 67 rotatably passes through the bottom plate 611, and the gear 68 is provided at an upper end of the rotation shaft 67; the driving cylinder 63 is arranged on the bottom plate 611, and the rack 64 is arranged at the telescopic end of the driving cylinder 63 and meshed with the gear 68; the connecting plate 69 is arranged at the lower end of the rotating shaft 67, the parallel clamp 65 is arranged at one end of the connecting plate 69 far away from the rotating shaft 67, clamping plates 651 are arranged on two clamping blocks 653 of the parallel clamp 65, and clamping jaws 652 are arranged at two ends of each clamping plate 651 and used for clamping an ear band. Specifically, the first lifting cylinder 62 is connected with the supporting plate 61 and arranged on the supporting frame 50, the driving cylinder 63 is fixed by the bottom plate 611, when the clamping and rotating device 60 is started, because the two clamping blocks 653 of the parallel clamp 65 are both provided with the clamping plates 651, and both ends of the two clamping plates 651 are both provided with the clamping jaws 652; the two clamping jaws 652 clamp a section of the ear belt close to the folding part 91, the driving cylinder 63 is started, the driving cylinder 63 drives the rack 64 to move, the rack 64 is meshed with the gear 68, so that the gear 68 rotates, the gear 68 drives the rotating shaft 67 to rotate, the rotating shaft 67 drives the connecting plate 69 to rotate, the connecting plate 69 drives the parallel clamp 65 to rotate, and thus, the ear belt is turned over.

In another embodiment of the present invention, as shown in fig. 1 to 9, the clamping and rotating device 60 further includes an ear strap straightening mechanism 66, the ear strap straightening mechanism 66 includes a first linear module 661, a push-out cylinder 662, a first mounting plate 663, a second mounting plate 664, a translation cylinder 665 and an ear strap hook 666, the first linear module 661 is disposed on the rack 10, the first mounting plate 663 is connected to an output end of the first linear module 661, the push-out cylinder 662 is mounted on the first mounting plate 663, an output end of the push-out cylinder 662 is connected to the second mounting plate 664, the translation cylinder 665 is mounted on the second mounting plate 664, an output end of the translation cylinder 665 is connected to the ear strap hook 666, and is configured to drive the ear strap hook 666 to move horizontally along a direction of conveying the parallel mask; second mounting panel 664 one end be equipped with to conveyor 20 direction extension spacing portion 667 for with the spacing ear strap of ear strap collude member 666 cooperation. Specifically, when the ear strap straightening mechanism 66 is activated, the first linear module 661 is fixed on the frame 10, the first straight line module 661 drives the first mounting plate 663 to move towards the direction close to the conveying device 20, the first mounting plate 663 drives the push-out cylinder 662 to move together, the output end of the push-out cylinder 662 is arranged towards the conveying device 20, the push-out cylinder 662 drives the second mounting plate 664 to move towards the direction close to the conveying device 20, the second mounting plate 664 drives the translation cylinder 665 to move together, the moving direction of the output end of the translation cylinder is parallel to the conveying device 20, the translation cylinder 665 drives the ear band hook 666 to move horizontally along the direction close to the ear band until the limit portion 667 hooks the ear band, translation cylinder, release cylinder 662 and first linear module 661 reset in proper order, and spacing portion 667 hook ear area is straightened the ear area, makes things convenient for centre gripping rotary device 60 centre gripping ear area.

In another embodiment of the present invention, as shown in fig. 1 to 4, the ear strap straightening mechanism 66 further includes a separating plate 668, a free end of the separating plate 668 extends to the telescopic end of the ear strap hook 666, and the other end of the separating plate extends outward to form a connecting portion 6681, a support column 6682 is disposed at the free end of the connecting portion 6681, and the support column 6682 is disposed on the frame 10; the ear belt conveying and cutting device 30 is located at the outer side of the separating plate 668, and two ends of the ear belt cut by the ear belt conveying and cutting device 30 are respectively distributed at two sides of the connecting portion 6681. Specifically, the supporting column 6682 is vertically disposed on the rack 10, the upper end of the supporting column 6682 is connected to the connecting portion 6681, the connecting portion 6681 is connected to the separating plate 668, and the supporting column 6682 provides a supporting force to suspend the separating plate 668; after fish-shaped gauze mask 90 welds the ear area, the part that conveyor 20 was stretched out to the ear area is flagged by gravity, because the one end of separation plate 668 extends to ear area and carries cutting device 30 side, and the both ends of the ear area that cutting device 30 was carried to the ear area distribute respectively the both sides of connecting portion 6681, ear area welding back, separation plate 668 passes in the middle of being annular ear area, has the other end of separation plate 668 to extend to ear area hook 666 again, when fish-shaped gauze mask 90 was through the top of folding over mechanism 80, because the setting of separation plate 668, ear area that the mechanism 66 can be easily straightened to the ear area is straightened to the ear area, makes things convenient for centre gripping rotary device 60 to the centre gripping of ear area, and the gauze mask exports through the processing of butt fusion mechanism 70, and the ear area deviates from separation plate 668.

In another embodiment of the present invention, as shown in fig. 2 to 3 and 10, the folding mechanism 80 includes a first pushing cylinder 81, a first fixing plate 82, a second fixing plate 83, a third fixing plate 84, a second pushing cylinder 85, a top plate cylinder 86 and a side pushing plate 87, the first fixing plate 82 is disposed on the frame 10, the first fixing plate 82 is provided with a slide rail 821, the first pushing cylinder 81 is disposed on the first fixing plate 82, the second fixing plate 83 is slidably connected to the slide rail 821, a moving end of the first pushing cylinder 81 is connected to the second fixing plate 83, the second pushing cylinder 85 is disposed on the second fixing plate 83, a moving end of the second pushing cylinder 85 is connected to the third fixing plate 84, the top plate cylinder 86 is disposed on the third fixing plate 84, an output end of the top plate cylinder 86 is connected to the side pushing plate 87, and serves to jack the push-side plate 87 upward. Specifically, when the folding mechanism 80 is started, the clamping and rotating device 60 turns the ear strap over the fish-shaped mask 90, the first pushing cylinder 81 is fixedly disposed on the first fixing plate 82, the slide rail 821 disposed on the first fixing plate 82 is disposed in a manner of being vertical to the conveying device 20, the first pushing cylinder 81 drives the second fixing plate 83 to move along the slide rail 821, the second fixing plate 83 moves towards the conveying device 20 until the second fixing plate 83 moves to the maximum stroke of the moving end of the first pushing cylinder 81, the second pushing cylinder 85 disposed on the second fixing plate 83 drives the third fixing plate 84 to move towards the conveying device 20, the third fixing plate 84 drives the top plate cylinder 86 to move, when one end of the edge pushing plate 87 close to the conveying device 20 is located below the side edge of the mask, the top plate cylinder 86 drives the edge pushing plate 87 to move upwards to fold the folding portion 91 of the fish-shaped mask 90 upwards to cover the ear strap, then, the welding mechanism 70 welds the folded hinge 91 to the fish mask 90 in a downward direction, so that the ear straps can freely move in a telescopic manner in the holes formed by the hinge 91 and the fish mask 90.

In another embodiment of the present invention, as shown in fig. 2 to 3 and fig. 5 to 8, the folding mechanism 80 further includes a pressing component 88, the pressing component 88 includes a second lifting mechanism 881, a bidirectional cylinder 882, a cylinder fixing plate 883 and two pressing bases 884, the second lifting mechanism 881 is installed on the supporting frame 50, the cylinder fixing plate 883 is installed at the bottom end of the second lifting mechanism 881, the bidirectional cylinder 882 is installed at the bottom of the cylinder fixing plate 883, two moving ends of the bidirectional cylinder 882 are respectively provided with the pressing bases 884, an outer end of the pressing base 884 is provided with an evacuation slot 8841 for evacuating the welding portion 71 of the welding mechanism 70, the evacuation slot 8841 enables the pressing base 884 to form two pressing portions 8842 for pressing the edge of the end portion of the fish-shaped mask. Specifically, the pressing assembly 88 is disposed beside the welding mechanism 70, when the folding mechanism 80 is activated, the pressing assembly 88 is activated, the second lifting mechanism 881 drives the cylinder fixing plate 883 to move downwards, the cylinder fixing plate 883 drives the two-way cylinder 882 to move downwards together, the two pressing bases 884 are symmetrically disposed, the two-way cylinder 882 drives the two pressing bases 884 to move in a direction close to the corresponding welding mechanism 70, the pressing portion 8842 of the pressing base 884 presses the edge of the fish-shaped mask 90, so that the fish-shaped mask 90 is pressed on the conveying device 20, the empty-avoiding groove 8841 avoids the welding portion 71 of the welding mechanism 70, and avoids the interference with the welding of the folding portion 91,

in another embodiment of the present invention, as shown in fig. 2 to 7, the welding mechanism 70 includes an ultrasonic welding machine 73, a third lifting mechanism 72 and a welding press block 74; the ultrasonic welding machine 73 is arranged in the frame 10, and the welding part 71 of the ultrasonic welding machine 73 extends to the top of the frame 10; the third lifting mechanism 72 is disposed on the supporting frame 50, and the welding press block 74 is disposed at the bottom end of the third lifting mechanism 73 and extends above the ultrasonic welding machine 73. Specifically, after the folding mechanism 80 folds the folding portion 91 of the fish mask 90 upward to wrap the ear strap, the third lifting mechanism 72 drives the welding press block 74 to move downward, so that the bottom of the welding press block 74 contacts the welding portion 71 of the ultrasonic welding machine 73, the welding portion 71 welds the folding portion 91 on the fish mask 90, and the lower press seat 884 does not interfere with the welding of the welding portion 71 on the mask due to the arrangement of the clearance slot 8841.

In another embodiment of the present invention, as shown in fig. 2 to 4 and 10, the ear band conveying and cutting device 30 includes an ear band input mechanism 31, a second linear module 32, a pneumatic clamp 33, a threading seat 34, a pressing cylinder 35 and a pneumatic scissors 36; the ear belt input mechanism 31 is arranged on the mounting frame 41 of the ear belt welding device 40 and is used for storing ear belts; the second linear module 32 is arranged on the rack 10, the pneumatic clamp 33 is arranged on a moving seat of the second linear module 32, the threading seat 34 and the pneumatic scissors 36 are arranged on the rack 10, an extending part 341 extends from the upper end of the threading seat 34 to one side of the pneumatic scissors 36, a threading groove is arranged in the extending part, the pressing cylinder 35 is arranged at the bottom of the extending part 341, and a piston rod of the pressing cylinder 35 extends into the threading groove; the free end of the ear belt material of the ear belt input mechanism 31 sequentially passes through the threading slot and the pneumatic scissors 36. Specifically, the ear belt is stored on the ear belt input mechanism 31, the ear belt is conveyed to the threading seat 34 by the ear belt input mechanism 31, the free end of the ear belt penetrates out of the threading groove of the extension portion 341 and is fixed in the threading groove through the pressing cylinder 35, when the ear belt is welded, the second linear module 32 drives the pneumatic clamp 33 to move towards the direction close to the extension portion 341, then the pneumatic clamp 33 clamps the free end of the ear belt, the piston rod of the pressing cylinder 35 moves downwards, the second linear module 32 drives the pneumatic clamp 33 to clamp the free end of the ear belt to reset, the piston rod of the pressing cylinder 35 moves upwards to press the ear belt, the pneumatic scissors 36 located beside the threading seat 34 cut off the ear belt, and therefore conveying and cutting of the ear belt are completed.

In another embodiment of the present invention, as shown in fig. 2 to 3, the conveying device 20 includes a chain conveying line 21 and a plurality of sets of positioning molds 22; chain transfer chain 21 sets up on the frame 10, positioning die 22 sets up on the chain transfer chain 21, positioning die 22 is last to set up location cavity 221 for location fish type gauze mask 90. Specifically, the multiple sets of positioning molds 22 are uniformly arranged on the chain conveying line 21 at intervals and move through the conveying of the chain conveying line 21, and the fish-shaped mask 90 is positioned in the positioning cavity 221 of the positioning molds 22, so that the accuracy of welding and processing the ear bands of the fish-shaped mask 90 is ensured.

In another embodiment of the present invention, as shown in fig. 1 to 4, the conveying device 20 further includes two partition plates 23 oppositely disposed on the frame 10; the chain conveying line 21 is arranged between the two partition plates 23; a space is arranged between the partition plate 23 and the positioning die 22, and the ear belt is welded on the side edge of the fish-shaped mask 90 which penetrates through the space and extends out of the outer side of the partition plate 23. Specifically, the baffle 23 is arranged to prevent the ear belt from drooping under gravity and being clamped on the conveying device 20; the side end of the fish-shaped mask 90 provided with the folding part 91 penetrates through the space and extends out of the partition plate 23, so that the normal welding of the ear belt is not affected, the free end of the partition plate 23 extends to the side of the clamping and rotating device 60, the other end of the partition plate 23 extends to the bottom of the ear belt welding device 40, and the arrangement of the partition plate 23 prevents the ear belt from falling into the positioning cavity 221 to affect the subsequent normal processing.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A fish-shaped semi-closed loop ear belt machine comprises a rack, and a conveying device, two groups of ear belt conveying and cutting devices and an ear belt welding device which are arranged on the rack, wherein the conveying device is used for conveying a fish-shaped mask, and the two groups of ear belt conveying and cutting devices are oppositely arranged on two sides of the conveying device and used for pulling out and cutting off ear belts; the ear belt welding device is used for welding the cut ear belt on the fish-shaped mask; the method is characterized in that: the device also comprises a support frame, two groups of clamping rotating devices, two groups of welding mechanisms and two groups of folding mechanisms; the support frame is arranged on the rack, the two groups of clamping and rotating devices are oppositely arranged on the support frame, and the clamping and rotating devices are used for clamping the ear belts of the fish-shaped mask conveyed to the bottom end of the clamping and rotating devices and clamping the ear belts to turn over to the edge of the fish-shaped mask; the two groups of folding mechanisms are oppositely arranged at two sides of the conveying device, and are used for folding the edge folding part of the fish-shaped mask upwards and wrapping a section of ear belt attached to the edge of the fish-shaped mask; the two welding mechanisms are used for welding the folding part of the fish-shaped mask.

2. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the clamping and rotating device comprises a supporting plate, a first lifting mechanism, a bottom plate, a rotating shaft, a driving cylinder, a rack, a gear, a connecting plate and a parallel clamp; the supporting plate is arranged on the supporting frame, the first lifting mechanism is arranged on the supporting plate, and the bottom plate is arranged at the bottom end of the first lifting mechanism; the rotating shaft rotatably penetrates through the bottom plate, and the gear is arranged at the upper end of the rotating shaft; the driving cylinder is arranged on the bottom plate, and the rack is arranged at the telescopic end of the driving cylinder and is meshed with the gear; the connecting plate sets up the lower extreme of rotation axis, the parallel clamp is located the connecting plate is kept away from the one end of rotation axis, all be provided with splint on two clamp splice of parallel clamp, two the both ends of splint all are provided with the clamping jaw relatively for the centre gripping ear area.

3. The fish-type semi-closed loop ear band machine of claim 1 or 2, characterized in that: the clamping and rotating device further comprises an ear belt straightening mechanism, the ear belt straightening mechanism comprises a first linear module, a push-out cylinder, a first mounting plate, a second mounting plate, a translation cylinder and an ear belt hooking piece, the first linear module is arranged on the rack, the first mounting plate is connected with the output end of the first linear module, the push-out cylinder is mounted on the first mounting plate, the output end of the push-out cylinder is connected with the second mounting plate, the translation cylinder is mounted on the second mounting plate, and the output end of the translation cylinder is connected with the ear belt hooking piece and used for driving the ear belt hooking piece to horizontally move along the direction parallel to the conveying direction of the mask; one end of the second mounting plate is provided with a limiting part extending towards the conveying device, and the limiting part is used for being matched with the ear belt hook piece to limit the ear belt.

4. The fish-type semi-closed loop ear band machine of claim 3, characterized in that: the ear belt straightening mechanism further comprises a separation plate, the free end of the separation plate extends to the telescopic end of the ear belt hook piece, the other end of the separation plate extends outwards to form a connecting part, a support column is arranged at the free end of the connecting part, and the support column is arranged on the rack; the ear belt conveying and cutting device is located on the outer side of the separating plate, and two ends of the ear belt cut by the ear belt conveying and cutting device are respectively distributed on two sides of the connecting portion.

5. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the folding mechanism comprises a first pushing cylinder, a first fixing plate, a second fixing plate, a third fixing plate, a second pushing cylinder, a top plate cylinder and a side pushing plate, the first fixing plate is arranged on the rack, a sliding rail is arranged on the first fixing plate, the first pushing cylinder is arranged on the first fixing plate, the second fixing plate is connected to the sliding rail in a sliding mode, the moving end of the first pushing cylinder is connected with the second fixing plate, the second pushing cylinder is arranged on the second fixing plate, the moving end of the second pushing cylinder is connected with the third fixing plate, the top plate cylinder is arranged on the third fixing plate, and the output end of the top plate cylinder is connected with the side pushing plate and used for upwards jacking the side pushing plate.

6. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the folding mechanism further comprises a pressing assembly, the pressing assembly comprises a second lifting mechanism, a two-way cylinder, a cylinder fixing plate and two pressing seats, the second lifting mechanism is installed on the supporting frame, the cylinder fixing plate is arranged at the bottom end of the second lifting mechanism, the two-way cylinder is installed at the bottom of the cylinder fixing plate, two moving ends of the two-way cylinder are respectively provided with the pressing seats, the outer ends of the pressing seats are provided with a clearance groove for avoiding the welding part of the welding mechanism, and the clearance groove enables the pressing seats to form two pressing parts for pressing the edge of the end part of the fish-shaped mask.

7. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the welding mechanism comprises an ultrasonic welding machine, a third lifting mechanism and a welding pressing block; the ultrasonic welding machine is arranged in the frame, and a welding part of the ultrasonic welding machine extends to the top of the frame; the third lifting mechanism is arranged on the support frame, and the welding pressing block is arranged at the bottom end of the third lifting mechanism and extends to the upper side of the ultrasonic welding machine.

8. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the ear belt conveying and cutting device comprises an ear belt input mechanism, a second linear module, a pneumatic clamp, a threading seat, a pressing cylinder and pneumatic scissors; the ear belt input mechanism is arranged on the mounting frame of the ear belt welding device and used for storing the ear belts; the second linear module is arranged on the rack, the pneumatic clamp is arranged on a moving seat of the second linear module, the threading seat and the pneumatic scissors are arranged on the rack, an extending part extends from the upper end of the threading seat to one side of the pneumatic scissors, a threading groove is formed in the extending part, the pressing air cylinder is arranged at the bottom of the extending part, and a piston rod of the pressing air cylinder extends into the threading groove; the free end of the ear belt material of the ear belt input mechanism sequentially penetrates through the threading groove and the pneumatic scissors.

9. The fish-type semi-closed loop ear band machine of claim 1, characterized in that: the conveying device comprises a chain conveying line and a plurality of groups of positioning dies; the chain conveying line is arranged on the rack, the positioning die is arranged on the chain conveying line, and the positioning die is provided with a positioning cavity for positioning the fish-shaped mask.

10. The fish-type semi-closed loop ear band machine of claim 9, characterized in that: the conveying device also comprises two partition plates which are oppositely arranged on the rack; the chain conveying line is arranged between the two partition plates; the separation plate with be equipped with the interval between the positioning die, the ear area weld in the fish-type gauze mask pass the interval and stretch out in the side in the outside of separation plate.

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