CN113844043A - Mask machine - Google Patents

Abstract

The invention discloses a mask machine, which comprises an ear band, a head band welding mechanism and a mask folding mechanism, wherein a limit rail is arranged at the head band welding mechanism and the mask folding mechanism along the mask conveying direction; the limiting rail extends to the upper part of the mask folding mechanism from the headband welding mechanism, the headband is limited on the upper part of the mask folding mechanism, the mask body is conveyed in the mask folding mechanism, and the ear band welding mechanism and the headband welding mechanism are selected to be opened for use. The invention can well limit the position of the head band, make the head band hang, does not influence the subsequent welding and cutting of the mask, can be applied to the tiled mask conveying and processing production line, and make the head band welding mechanism and the ear band welding mechanism matched and applied to one production line, thereby realizing the cost control of the equipment.

Description

Mask machine

Technical Field

The invention relates to mask production equipment, in particular to a mask machine.

Background

The mask machine is classified into a flat mask machine for processing a flat mask, a vertical folding mask machine for processing an N95 mask, a cup mask machine for processing a cup mask, and the like, according to the type of mask to be processed. The head band welding mechanism is a set of mechanism for welding the head band on the mask body, if the upper head band and the lower head band are welded on the mask body when the mask body is tiled, the two head bands can cross over the mask body, and the subsequent processing of the folding welding mechanism is influenced; consequently all adopt earlier to accomplish the weldment work of gauze mask body after folding the gauze mask body to the welding of bandeau gauze mask at present, then rely on corresponding bandeau welding mechanism to accomplish the bandeau welding under fold condition. And the ear area welding carries out the folding, the welding of just looking for the body after the ear area welding mechanism carries out the ear area welding earlier, so, because structural difference just lets bandeau welding and ear area welded production line can't integrate the use, has improved producer's equipment cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a mask machine which can integrate and simultaneously arrange an ear band welding mechanism and a head band welding mechanism on the same production line, is suitable for welding a mask body and a head band or an ear band which are conveyed in a tiled mode, is switched to be used when a corresponding mask is processed, does not need to purchase two production lines or carry out complicated dismounting and debugging on the corresponding mechanism on one production line, greatly reduces the equipment cost, reduces the debugging difficulty and improves the processing efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mask machine, ear area welding mechanism including butt joint setting all, bandeau welding mechanism and gauze mask folding mechanism, ear area welding mechanism and bandeau welding mechanism all include the installing support, the middle part of installing support has the transport space that is used for carrying the gauze mask body, be provided with the conveying component who is used for carrying ear area or bandeau on the installing support and be used for welding ear area or bandeau to the welding mechanism on the gauze mask body, welding mechanism includes last welding piece and the lower welding piece of mutually supporting, conveying component and last welding piece set up in the top of transport space, lower welding piece sets up in the below of transport space, still be provided with a spacing rail along the direction of delivery of gauze mask body in bandeau welding mechanism's the transport space, the bandeau that treats welding that bandeau welding mechanism's conveying component carried is located the upside of spacing rail, the gauze mask body is located the downside of spacing rail, weld bandeau and gauze mask body when bandeau welding mechanism's last welding piece and lower welding piece fold mutually The head band is supported by a limit rail; the mask folding mechanism comprises a plurality of groups of pulling rollers, an angular folding plate, an ultrasonic welding mechanism and a material cutting roller, the pulling rollers are arranged at the front and back positions of the angular folding plate, the ultrasonic welding mechanism and the material cutting roller to provide power for pulling the mask to move, the pulling rollers in front of the angular folding plate are arranged in a horizontal state, the pulling rollers behind the angular folding plate are arranged in a vertical state, and the ultrasonic welding mechanism and the material cutting roller are both arranged in a vertical state; the limiting rail extends from the head band welding mechanism to the upper part of the mask folding mechanism, limits the head band on the upper part of the mask folding mechanism, and conveys the mask body in the mask folding mechanism; the ear band welding mechanism and the head band welding mechanism are selected to be opened for use, the other one is closed and is stopped, when the conveying space of the mask body between the ear band welding mechanism and the head band welding mechanism is conveyed, the stopped mechanism is conveyed to pass, and the started mechanism is welded.

As an improvement, the limiting rail extends from the head band welding mechanism to the conveying space of the ear band welding mechanism and is arranged along the conveying direction of the mask body.

As an improvement, the limiting rail is a steel wire which can be bent and shaped, and the limiting rail at the ear band welding mechanism and the head band welding mechanism is pressed on the upper part of the mask body by self weight.

As an improvement, the upper part of the material pulling roller is provided with a clamping mechanism, the limiting rail is clamped by the clamping mechanism along the length direction of the limiting rail, the clamping mechanism can perform clamping and loosening switching, and when the clamping mechanism is loosened, the upper space of the limiting rail is opened for the head belt to pass through.

As an improvement, the inlet end or/and the outlet end of the conveying space are/is provided with a supporting seat and a rolling shaft which are arranged up and down, the lower part of the mask body is supported by the supporting seat, the upper part of the mask body is conveyed by the rolling shaft in a rolling way, and the limiting rail penetrates between the supporting seat and the rolling shaft.

As an improvement, the roller comprises an arrangement shaft and bearings arranged on the arrangement shaft, the bearings are in contact fit with the mask body, and the two bearings form a notch used for limiting the deviation of the limiting rail in the middle of the arrangement shaft.

As an improvement, ultrasonic welding mechanism includes that ultrasonic wave takes place mechanism, ultrasonic wave mould and cooperation roller, and ultrasonic wave takes place the mechanism and connects ultrasonic wave mould, and the vertical rotatable setting of cooperation roller is in one side of ultrasonic wave mould, supplies the gauze mask to pass between ultrasonic wave mould and the cooperation roller to when the gauze mask is carried by the pulling, the cooperation roller rolls, and ultrasonic wave mould and rolling cooperation roller extrude gauze mask welding department.

As an improvement, still be provided with the debugging roller set between angular form folded sheet and the blank roller, the debugging roller set is including being located the fixed roller of front and back portion and the debugging roller that is located the middle part, and the debugging roller sets up on a translation mechanism, carries out relative gauze mask direction of delivery's vertical translation, and anterior fixed roller, debugging roller and rear portion fixed roller are walked around in proper order to the gauze mask, when carrying out the translation adjustment to the debugging roller through translation mechanism, change the gauze mask and at two fixed roller between walk around length.

As an improvement, the conveying assembly comprises a material storage mechanism, a material pulling mechanism and a material clamping mechanism; the material storage mechanism is arranged on one side of the material pulling mechanism and used for winding and discharging the ear belt or the head belt; the material pulling mechanism comprises a first clamping jaw, a second clamping jaw and a scissor piece, wherein the first clamping jaw is arranged close to the material storage mechanism, the second clamping jaw can be close to or far away from the first clamping jaw, the scissor piece is arranged on one side, close to the second clamping jaw, of the first clamping jaw, the first clamping jaw clamps or releases an ear band or a head band output from the material storage mechanism, the second clamping jaw clamps the ear band or the head band at the first clamping jaw when approaching the first clamping jaw and pulls out a section of the ear band or the head band after being far away from the first clamping jaw, and the scissor piece is used for shearing the section of the ear band or the head band pulled out by the second clamping jaw; the material clamping mechanism comprises a third clamping jaw and a fourth clamping jaw which are respectively arranged close to the first clamping jaw and the second clamping jaw, the third clamping jaw and the fourth clamping jaw can be horizontally arranged in a rotating mode, the third clamping jaw and the fourth clamping jaw are used for clamping a section of pulled-out ear belt or head belt when rotating to a position close to the first clamping jaw and the second clamping jaw respectively, the third clamping jaw and the fourth clamping jaw rotate after the section of pulled-out ear belt or head belt is cut off, and two ends of the section of ear belt or head belt rotate to welding positions; the middle position of the upper welding part and the lower welding part is the welding position where the two ends of the section of the ear belt or the head belt stay.

As an improvement, the material storage mechanism comprises an upper winding wheel, a lifting winding wheel and a lower winding wheel, the upper winding wheel is connected with a driving mechanism for providing power for discharging, an ear belt or a head belt is wound on the upper winding wheel, and the ear belt or the head belt sequentially winds the lifting winding wheel and the lower winding wheel to the first clamping jaw; the lifting winding wheel is arranged on the vertical shaft in a lifting manner, a sensor for detecting the position of the lifting winding wheel is arranged at the lower part corresponding to the vertical shaft, the lifting winding wheel is correspondingly positioned at the sensor at the initial position, when the second clamping jaw pulls the material, the ear belt or the head belt is pulled away from the material storage mechanism, and the position of the lifting winding wheel rises; when the sensor detects that the lifting winding wheel rises and leaves, the feedback signal starts the driving mechanism to discharge the ear belt or the head belt, so that the lifting winding wheel descends to the sensor.

The mask has the beneficial effects that the ear band welding function and the head band welding function are integrated, the ear band welding mechanism and the head band welding mechanism are arranged on the same production line, the mask is suitable for welding a mask body which is conveyed in a tiled mode and a head band or an ear band, the mask body and the head band or the head band are switched to be used when a corresponding mask is processed, the head band welding mechanism enables the head band and the mask body to be located on the upper side and the lower side respectively by arranging the limiting rails at the conveying space, and after the head band and the mask body are welded, the head band can be hung on the limiting rails to be supported, so that the head band and the head band cannot be randomly placed on the mask body; when the mask body and the head band are conveyed backwards to the mask folding mechanism, the head band is suspended above the limiting rail, so that the mask body is not influenced to be folded, the edge of the mask body is not influenced to be welded and the mask body is not influenced to be cut; after the functions of ear strap welding and head strap welding are integrated, two production lines do not need to be purchased or one production line does not need to be subjected to complex disassembly and assembly debugging of the corresponding mechanism, the equipment cost is greatly reduced, the debugging difficulty is reduced, and the processing efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the mask machine of the present invention.

Fig. 2 is a schematic perspective view of the mask folding mechanism of the present invention.

Fig. 3 is a schematic perspective view of another viewing angle of the mask folding mechanism of the present invention.

Fig. 4 is a schematic perspective view of an ultrasonic welding mechanism according to the present invention.

Fig. 5 is a schematic perspective view of the headband welding mechanism of the present invention when two groups are consecutively arranged.

Fig. 6 is a partial front view of the headband welding mechanism of the present invention.

Fig. 7 is a partial perspective view of the headband welding mechanism of the present invention.

Fig. 8 is a schematic partial perspective view of another embodiment of the headband welding mechanism of the present invention.

Fig. 9 is a schematic perspective view of the ear band welding mechanism of the present invention in which two sets are continuously provided.

Fig. 10 is a partial perspective view of the ear band welding mechanism of the present invention.

Fig. 11 is a schematic view of a partial perspective view of another embodiment of the ear band welding mechanism of the present invention.

Fig. 12 is a front view of the position-limiting rail of the present invention engaged with the headband and the mask body.

Fig. 13 is a schematic top view of the position-limiting rail of the present invention, the ear/head band, and the mask body.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1-13, the mask machine according to the present invention includes an ear band welding mechanism c, a head band welding mechanism b and a mask folding mechanism a, which are disposed in a front-back butt joint manner, each of the ear band welding mechanism c and the head band welding mechanism b includes a mounting bracket b0, a conveying space b01 for conveying the mask body is provided in the middle of the mounting bracket b0, a conveying assembly b02 for conveying an ear band or a head band and a welding mechanism b4 for welding the ear band or the head band to the mask body are provided on the mounting bracket b0, the welding mechanism b4 includes an upper welding member b41 and a lower welding member b42 which are engaged with each other, the conveying assembly b02 and the upper welding member b41 are disposed above the conveying space b01, the lower welding member b42 is disposed below the conveying space b01, a position limiting rail b03 is further provided in the conveying space b01 of the head band welding mechanism b02 along the conveying direction of the mask body, and the head band to be welded to be positioned on the upper side of the position limiting rail b03, the mask body is positioned at the lower side of the limit rail b03, when an upper welding piece b41 and a lower welding piece b42 of the head band welding mechanism b are folded, the head band and the mask body are welded, and the head band is supported by the limit rail b 03; the mask folding mechanism a comprises a plurality of groups of pulling rollers a1, an angular folding plate a2, an ultrasonic welding mechanism a3 and a material cutting roller a4, wherein the groups of pulling rollers a1 are arranged at the front and back positions of the angular folding plate a2, the ultrasonic welding mechanism a3 and the material cutting roller a4, power for pulling the mask to move is provided, the pulling roller a1 in front of the angular folding plate a2 is set to be in a horizontal state, the pulling roller a1 behind the angular folding plate a2 is set to be in a vertical state, and the ultrasonic welding mechanism a3 and the material cutting roller a4 are both set to be in a vertical state; the limiting rail b03 extends from the head band welding mechanism b to the upper part of the mask folding mechanism a, the head band is limited at the upper part of the mask folding mechanism a, and the mask body is conveyed in the mask folding mechanism a; when the ear band welding mechanism c and the headband welding mechanism b are used alternatively, and the other one is closed and deactivated, the deactivated mechanism is conveyed to pass through, and the activated mechanism is used for welding when the mask body is conveyed in the conveying space b01 of the ear band welding mechanism c and the headband welding mechanism b.

When the mask folding device is used, the mask folding device is applied to the last working procedures of one production line of a mask machine, and an ear band welding mechanism c, a head band welding mechanism b and a mask folding mechanism a are sequentially butted at the end of the whole production line; horizontally conveying the mask on a production line to finish the previous processing procedure; in the prior art, the mask is conveyed in a strip shape, outlet mask bodies are machined on the strip at equal intervals, and a plurality of strip-shaped mask bodies are conveyed along the conveying direction of a conveying space b 01; the ear band welding mechanism c and the head band welding mechanism b are selected to be opened for use, the other mechanism is stopped, the mask body is conveyed directly through the stopped mechanism, and welding is completed at the started mechanism. When the ear belt welding mechanism c and the headband welding mechanism b are respectively activated, the ear belts or the headband are conveyed to the conveying space b01 by the respective conveying assemblies b 02; after the ear band welding mechanism c is positioned at a welding position of the mask body, the upper part and the lower part of the upper welding part b41 and the lower welding part b42 are folded up and down to press the ear band and the mask for welding and forming, the states of the mask body and the ear band after welding are shown as the upper mask in figure 13, the ear band is folded inwards at two sides and is overlapped with the mask in the clamping and conveying process, and the welding and the trimming at the subsequent mask folding mechanism a are not influenced. And the headband welding mechanism b is provided with a limit rail b03, the headband spans the upper side of the limit rail b03 at the conveying assembly b02, is relatively vertical to the mask body and the limit rail b03, the mask body is positioned at the lower side of the limit rail b03, and after the mask body reaches a welding position, the headband and the mask are pressed for welding and forming through the up-and-down movable folding of an upper welding piece b41 and a lower welding piece b 42. The state of the mask body and the headband after welding is shown in fig. 12 and 13, and the headband is supported by a limit rail b03 and is suspended and is not placed on the surface of the mask body; the position limiting rail b03 continues to extend to the upper part of the mask folding mechanism a, and the head band is hung in the upper space. When the lower mask reaches the input end of the mask folding mechanism a, the horizontal pulling rollers a1 keep the mask flat and stable, the downward folding of the mask is completed by the subsequent angle folding plate a2, and then the vertical pulling rollers a1 clamp the mask and convey the mask backwards continuously; the material pulling roller a1 can adopt a conventional double-roller clamping mode to convey the mask, and a double-roller external power mechanism rotates; the gauze mask carries out ultrasonic bonding to the gauze mask edge after the fifty percent discount when arriving ultrasonic bonding mechanism a3 department, then cuts off the gauze mask edge by blank roller a4, makes the gauze mask body and the outside waste material separation of middle part, along with continuing to carry and collect respectively the manufacturing procedure of gauze mask body and waste material completion gauze mask. The plurality of groups of pulling rollers a1 are arranged at the front and back of the ultrasonic welding mechanism a3 and the material cutting roller a4 according to requirements, so that the whole line can well pull and convey the mask. After the folding of the mask body is finished in the mask folding mechanism a, the head band is hung on the limiting rail b03 as shown in fig. 12, and the longer head band can not be dragged downwards, so that the edge of the mask body needing to be welded and cut can not be interfered by the head band, the edge of the ear band welded and cut can not be influenced on the inner side of the mask body, and the edge of the mask body can be smoothly cut after the welding forming of the edge of the mask body after the folding. Then, as the conveying is continued, the mask can be taken down from the opened outlet end of the limiting rail b 03. The mask welding and folding mechanism can be applied to a tiled mask conveying and processing production line, two production lines do not need to be purchased or one production line does not need to be subjected to complicated dismounting and debugging of the corresponding mechanism after the ear band welding and the head band welding functions are integrated, a user can directly switch to use during use, the equipment cost is greatly reduced, the debugging difficulty is reduced, and the processing efficiency is improved.

As a modified embodiment, the spacing rail b03 extends from the headband welding mechanism b to the conveying space b01 of the ear band welding mechanism c and is arranged along the conveying direction of the mask body.

As shown in fig. 1, the limiting rails b03 arranged in this way are extended and arranged in three mechanisms, and along the mask conveying lines of the ear band welding mechanism c and the headband welding mechanism b, the inlet ends of the limiting rails b03 extend to the inlet end of the ear band welding mechanism c or more forward, so that when the mask enters the subsequent welding mechanism, the mask can depend on the limiting rails b03 to form a good auxiliary limiting mask body above the mask body, and the limiting covers the positions of the ear band welding mechanism c and the headband welding mechanism b, so that the auxiliary mask body can be better conveyed at the two mechanisms.

As a modified embodiment, the limiting rail b03 is a steel wire which can be bent and shaped, and the limiting rail b03 at the ear band welding mechanism c and the head band welding mechanism b is pressed on the upper part of the mask body by self weight.

As shown in fig. 1, 2, 3 and 6, the layout route of the position-limiting rail b03 is roughly shown in the figures, in order to facilitate the flexible adjustment of the height of the position-limiting rail b03 during layout, a steel wire capable of being bent and shaped is preferably selected as the position-limiting rail b03, the steel wire can be arranged at the lower part of the head band welding mechanism b and the ear band welding mechanism c and can be pressed on the upper part of the mask body by self weight to limit the mask body, the conveying stability of the mask is improved, after the position reaches the mask folding mechanism a, the steel wire is lifted upwards along the angular folding plate a2 by a good plastic effect, and the steel wire is arranged above the subsequent mechanism, so that the conveying, welding and cutting of the lower mask body are not influenced.

As a modified embodiment, the upper part of the pulling roller a1 is provided with a clamping mechanism a7, the position-limiting rail b03 is clamped by the clamping mechanism a7 along the length direction, the clamping mechanism a7 can carry out switching of clamping and unclamping, and when the clamping mechanism a7 is unclamped, the upper space of the position-limiting rail b03 is opened for the headband to pass through.

As shown in fig. 1, 2, 3, 12 and 13, the mask body and the headband after welding at the headband welding mechanism b are in a state shown in fig. 12 and 13, the position limitation of the position limiting rail b03 is realized by the clamping mechanism a7, the clamping mechanism a7 at multiple positions limits the position limiting rail b03 above the conveying position of the mask body, and the headband is blocked by the clamping mechanism a7 in the conveying process, so when the headband of one mask body passes through one clamping mechanism a7, the clamping mechanism a7 is opened to allow the headband to pass (as shown in the lower drawing of fig. 12), and the multiple groups of clamping mechanisms a7 at the front and rear positions are still in a clamping state, so that the position of the position limiting rail b03 can be kept stable.

As a modified embodiment, the gripping mechanism a7 includes a gripping cylinder a71 and a pair of gripping jaws a72 driven by a gripping cylinder a71, and the pair of gripping jaws a72 are closed or opened when driven by a gripping cylinder a 71.

As shown in fig. 1, 2, 3, 12 and 13, the clamping cylinder a71 provides two-station position adjustment of closing or opening of the pair of clamping jaws a72, which is simple and practical; the pair of clamping jaws a72 can clamp the limit rail b03 well when being closed and open the peripheral space of the limit rail b03 when being opened, so that the headband can pass through smoothly, and the construction is simple and convenient to realize.

As a modified embodiment, the inlet end or/and the outlet end of the conveying space b01 is/are provided with a supporting seat b04 and a roller b05 which are arranged up and down, the lower part of the mask body is supported by the supporting seat b04, the upper part of the mask body is conveyed by the roller b05 in a rolling way, and a limiting rail b03 penetrates between the supporting seat b04 and the roller b 05.

As shown in fig. 7 and 8, the mask machine is a multi-process production line, each station corresponds to a process for manufacturing the mask, the whole mask is powered by a conveying mechanism arranged on the production line to be conveyed forwards, in this embodiment, a supporting seat b04 and a rolling shaft b05 are arranged at a position corresponding to the headband welding mechanism b (and the ear band welding mechanism c), so that the supporting seat b04 of the headband welding mechanism b (and the ear band welding mechanism c) provides support for the mask, the mask is stably and orderly conveyed, the rolling shaft b05 presses the supporting seat b04, the mask between the supporting seat b and the rolling shaft b05 is clamped, and the conveying of the mask drives the rolling shaft b05 to roll, so that the mask can be orderly conveyed. The mask welding stability at the headband welding mechanism b (and the ear belt welding mechanism c) is also higher by virtue of the limiting action of the supporting seat b04 and the rolling shaft b 05. The limit rail b03 penetrates between the supporting seat b04 and the roller b05, so that a good limiting effect is achieved.

As a modified specific implementation mode, the roller b05 comprises a layout shaft b051 and bearings b052 arranged on the layout shaft b051, the bearings b052 are in contact fit with the mask body, and the two bearings b052 form a gap b053 used for limiting the deviation of a limiting rail b03 in the middle of the layout shaft b 051.

As shown in fig. 6, 7 and 8, the arrangement shaft b051 is fixedly arranged, and is pressed towards the mask through the arranged bearing b052 to roll and feed materials along with the mask, so that the smooth and orderly conveying of the mask is kept; and a plurality of bearings b052 are further arranged and a gap b053 is formed in the middle of the arrangement shaft b051, when the limit rail b03 preferably adopts a structure with certain deformation capacity, such as a steel wire, which passes through the space between the roller b05 and the supporting seat b04 and is pressed by the bearings b052 for certain limit, and the position of the limit rail b03 can be accommodated or clamped by the lower gap b053 in the middle, thereby ensuring the stable and orderly structure.

As a modified specific embodiment, the ultrasonic welding mechanism a3 includes an ultrasonic generating mechanism a31, an ultrasonic die a32 and a matching roller a33, the ultrasonic generating mechanism a31 is connected with the ultrasonic die a32, the matching roller a33 is vertically and rotatably disposed at one side of the ultrasonic die a32, a mask passes through between the ultrasonic die a32 and the matching roller a33, when the mask is pulled and conveyed, the matching roller a33 rolls, and the ultrasonic die a32 and the rolling matching roller a33 press the welding position of the mask.

As shown in fig. 1, 2, 3 and 4, the ultrasonic welding mechanism a3 can be adapted to a mask production line with continuous conveying, i.e. the mask does not need to be stopped as in the prior art, and the conveying is started after the welding is finished. Slide rails are arranged on each station of a non-stop mask production line, a mechanism on each station is arranged on the slide rails, the mechanism and the masks move forwards synchronously, dynamic position correspondence is realized, after one mask is processed, the mechanism moves back to align to the next mask through the slide rails, and therefore the mask is processed on each station in a reciprocating circulating mode without stopping, the whole production line is not required to be stopped for processing the masks on each station, and conveying and processing efficiency can be improved. For example, the headband welding mechanism b and the ear band welding mechanism c, the mounting bracket b0 can be arranged on the production line in a back-and-forth movable mode through a slide rail, and each mask to be welded is aligned through dynamic back-and-forth movement. When the specific ultrasonic welding mechanism a3 is applied to the production line, ultrasonic welding can be carried out without stopping, when the mask is pulled and conveyed by front and rear pulling rollers a1, the edge of the mask to be welded is ensured to pass through by the rolling of a matching roller a33, the edge welding position is pressed by an ultrasonic die a32 and a matching roller a33 along with the advancing, the ultrasonic generating mechanism a31 is started continuously, the welding position is smaller than the original condition range that the whole mask is clamped by the die, namely, the original line contact of the whole edge is changed into point contact in a small range in the rolling process, the ultrasonic wave in the small range enables the energy of the contact position in unit time to be larger, and a better welding effect is achieved, guarantee the welding quality of gauze mask promptly on the whole to the gauze mask production line that the adaptation corresponds can satisfy the gauze mask and last welding and blank among the transportation process, improves production efficiency.

As a modified embodiment, a debugging roller set a6 is further arranged between the angle-shaped folding plate a2 and the blanking roller a4, the debugging roller set a6 comprises a fixed roller a61 positioned at the front part and a debugging roller a62 positioned at the middle part, the debugging roller a62 is arranged on a translation mechanism a63 and performs vertical translation relative to the conveying direction of the mask, the mask sequentially bypasses the front fixed roller a61, the debugging roller a62 and the rear fixed roller a61, and when the debugging roller a62 is subjected to translation adjustment through a translation mechanism a63, the bypassing length of the mask between the two fixed rollers a61 is changed.

As shown in fig. 1, 2 and 3, when in use, the mask sequentially bypasses the front fixed roller a61, the adjusting roller a62 and the rear fixed roller a61, and the bypassing length between the two fixed rollers a61 can be adjusted by the adjusting roller a 62; the translation mechanism a63 can be realized in a screw rod sliding block mode, the adjusted debugging roller a62 vertically translates relative to the conveying direction of the mask, the outward translation of the debugging roller a62 is larger, the length of the mask bypassing the debugging roller a62 is larger, otherwise, the length of the mask bypassing is reduced, only the front and back positions of each mask reaching the cutting roller a4 can be adjusted, the position of the mask body accurately corresponding to the edge cutting position of the cutting roller a4 can be adjusted, and the product cost rate can be further ensured; and the mask can be flexibly debugged according to different types of the processed masks, and the applicability is wide. The position of the debugging roller set a6 in fig. 1 is different from the position of arrangement in fig. 2 and 3, namely, the debugging roller set a6 is arranged before or after the ultrasonic welding mechanism a3, the normal use of the debugging roller set is not influenced, and the debugging roller set a6 can realize position debugging just before the blanking roller a 4.

As a modified embodiment, a set of pulling rolls a1 is arranged at the front position and the rear position of the adjusting roll group a 6.

As shown in fig. 2 and 3, the material pulling rollers a1 are arranged at the front and the back of the limited debugging roller set a6, so that good front and back power is provided for mask conveying at the debugging roller set a6, smoothness of mask conveying at the debugging roller set a6 is ensured, and adjustment of the length position of the mask is more accurate and stable.

As a modified specific embodiment, a discharge roller a5 arranged behind the cutting roller a4 and a scrap roller a51 arranged at the side of the discharge roller a5 are further included.

As shown in fig. 1, 2 and 3, the mask body which completes the edge cutting at the material cutting roller a4 is separated from the external waste material, the material discharging roller a5 is abutted against the material cutting roller a4 in sequence, the material pulling roller a1 can be arranged between the material cutting roller a and the material cutting roller a4 to provide discharging power, the mask body is discharged from the material discharging roller a5 along with conveying, one end of the waste material is connected to the waste material roller a51, and the waste material is wound by the waste material roller a51 to be pulled to the side edge to collect the waste material.

As a modified embodiment, the conveying assembly b02 comprises a material storage mechanism b1, a material pulling mechanism b2 and a material clamping mechanism b 3; the storage mechanism b1 is arranged on one side of the pulling mechanism b2 and is used for winding and discharging the ear belt or the head belt; the pulling mechanism b2 comprises a first jaw b21 arranged close to the storing mechanism b1, a second jaw b22 which can be close to or far away from the first jaw b21, and a scissor element b23 arranged on one side of the first jaw b21 close to the second jaw b22, wherein the first jaw b21 clamps or loosens an ear band or a head band output at the storing mechanism b1, the second jaw b22 clamps the ear band or the head band at the first jaw b21 when approaching the first jaw b21 and pulls out a section of the ear band or the head band after being far away, and the scissor element b23 is used for shearing the section of the ear band or the head band pulled out by the second jaw b 22; the clamping mechanism b3 comprises a third clamping jaw b31 and a fourth clamping jaw b32 which are respectively arranged close to the first clamping jaw b21 and the second clamping jaw b22, the third clamping jaw b31 and the fourth clamping jaw b32 are horizontally and rotatably arranged, and the third clamping jaw b31 and the fourth clamping jaw b32 are used for clamping a pulled-out section of ear belt or head belt when the third clamping jaw b31 and the fourth clamping jaw b32 are respectively rotated to be close to the first clamping jaw b21 and the second clamping jaw b22 and are rotated after the pulled-out section of ear belt or head belt is cut off, so that two ends of the section of ear belt or head belt are rotated to a welding position; the middle position of the upper welding part b41 and the lower welding part b42 is the welding position where the two ends of the ear belt or the head belt stay.

As shown in fig. 6, 7, 8, 10 and 11, the whole ear band or headband in the form of a long strip which is not cut is placed around the magazine b1, and one end of the ear band or headband is fed out from the magazine b 1. The first jaw b21 of the pulling mechanism b2 clamps the ear belt or the headband at a position close to the output end of the storing mechanism b1, the second jaw b22 is arranged at the other side relatively, after the second jaw b22 moves close to the first jaw b21, the ear belt or the headband is clamped by the second jaw b22, the ear belt or the headband is loosened by the first jaw b21, when the second jaw b22 moves back to the initial position at the other side away from the first jaw b21, the ear belt or the headband is pulled out for a fixed length, and then the first jaw b21 clamps again, so that the two ends of the pulled ear belt or the headband are fixed. When the third clamping jaw b31 and the fourth clamping jaw b32 in the material clamping mechanism b3 respectively rotate and move to the positions of which the two sides correspond to the first clamping jaw b21 and the second clamping jaw b22, the two ends of an ear band or a head band are clamped, and then the scissor element b23 can be started to cut off the ear band or the head band at the position of the first clamping jaw b21, wherein the ear band or the head band is a section of ear band or head band to be welded on the mask body; the two ends of the ear band or headband are then moved to the welding position by the rotational movement of the third jaw b31 and the fourth jaw b 32. An upper welding piece b41 and a lower welding piece b42 in a welding mechanism b4 are respectively arranged on the upper side and the lower side, a space is reserved in the middle for conveying mask lines, a storage mechanism b1, a material pulling mechanism b2 and a material clamping mechanism b3 are correspondingly positioned on the upper side, masks in the prior art are conveyed in a strip shape, outlet mask bodies are machined on the strips at equal intervals, after one mask body reaches a welding position, ear bands or head bands and masks are pressed for welding and forming through the up-and-down movable folding of the upper welding piece b41 and the lower welding piece b42, then the mechanism resets, the processes are repeated, and the ear bands or the head bands of the masks can be orderly welded. Above embodiment can automatic transport ear area or bandeau target in place, accomplishes the welding of ear area or bandeau and gauze mask body, and the whole journey need not artifical unloading of going up, has liberated the labour, has improved machining efficiency, can guarantee product quality. For the feeding of the ear belt or the headband, an ear belt or headband conveying mechanism can be further connected with the storage mechanism b1, so that the feeding of the ear belt or the headband is automated, and the time of manual participation is reduced. And the bandeau on the gauze mask all has upper and lower two, can arrange two sets of bandeau welding mechanism b and ear area welding mechanism c in proper order on the gauze mask transfer line as shown in fig. 1, 5, 9, correspond two upper and lower bandeaus and two left and right sides two ear area positions and carry out the material loading welding, bandeau welding mechanism b and ear area welding mechanism c because bandeau and ear area are different with the position relation of gauze mask body, and the angle that it was arranged is corresponding difference also.

As a modified embodiment, the storing mechanism b1 comprises an upper winding wheel b11, a lifting winding wheel b12 and a lower winding wheel b13, wherein the upper winding wheel b11 is connected with a driving mechanism b14 for providing power for discharging, and an ear belt or a head belt is wound on the upper winding wheel b11 and sequentially passes around the lifting winding wheel b12 and the lower winding wheel b13 to the position of a first clamping jaw b 21; the lifting winding wheel b12 is arranged on the vertical shaft b15 in a lifting mode, a sensor b16 for detecting the position of the lifting winding wheel b12 is arranged at the lower portion corresponding to the vertical shaft b15, the lifting winding wheel b12 is correspondingly positioned at a sensor b16 at the initial position, when the second clamping jaw b22 pulls the materials, the ear belt or the head belt is pulled away from the material storage mechanism b1, and the position of the lifting winding wheel b12 rises; when the sensor b16 detects that the lifting winding wheel b12 is lifted, the feedback signal starts the driving mechanism b14 to discharge the ear belt or the head belt, so that the lifting winding wheel b12 is lowered back to the sensor b 16.

As shown in fig. 7, 8, 10 and 11, the upper winding wheel b11 can store the ear belt or the head band, or externally connect the ear belt or the head band conveying mechanism to wind the ear belt or the head band; the ear band or headband is then sequentially wrapped around lifting winding wheel b12 and lower winding wheel b13 to first jaw b 21; of course, the three-part winding wheel is a basic structure, and a wheel structure, a hole structure, a rod structure and the like for the ear belt or the head belt to pass through can be added among the three-part winding wheels for better guiding and limiting the position of the ear belt or the head belt; and the three-part winding wheel can also be arranged into a structure of a plurality of wheels for more orderly winding of the ear belt or the head belt. The lifting winding wheel b12 and the sensor b16 are arranged, so that intermittent feeding of an ear belt or a head belt is achieved, namely the material pulling mechanism b2 pulls materials once, after the lifting winding wheel b12 is lifted, a signal fed back by the sensor b16 is sent to the driving mechanism b14 to start material feeding once, and the driving mechanism b14 stops after the materials are fed in place; therefore, the material pulling mechanism b2 can pull materials orderly, the driving mechanism b14 can provide power for timely feeding, the ear belt or the head belt can be stably fed at the position of the material storage mechanism b1, good power is provided for driving the ear belt or the head belt to convey, the ear belt or the head belt can be better guaranteed not to be pulled by excessive stress only by the material pulling mechanism b2, and particularly, the driving mechanism b14 can provide conveying power at the input end under the condition that the external ear belt or head belt conveying mechanism conveys the ear belt or the head belt from the outside.

As a modified embodiment, the pulling mechanism b2 further includes a first cylinder b210 for driving the first clamping jaw b21 to close or separate, a second cylinder b220 for driving the second clamping jaw b22 to close or separate, a sliding rail mechanism b25 for arranging the second clamping jaw b22 and the second cylinder b220, and a translation cylinder b24 for driving the second clamping jaw b22 and the second cylinder b220 to slide on the sliding rail mechanism b 25.

As shown in fig. 7, 8, 10 and 11, the first jaw b21 and the second jaw b22 are respectively closed or separated by a first cylinder b210 and a second cylinder b 220; the sliding rail mechanism b25 is a horizontally arranged rail and a sliding block on the rail, the second cylinder b220 and the second clamping jaw b22 are arranged on the sliding block, the sliding block is connected with the translation cylinder b24, and the sliding block, namely the second clamping jaw b22 on the sliding block, is driven to finish horizontal movement close to or far away from the first clamping jaw b 21; each cylinder body can be realized by adopting specific implementation modes such as an air cylinder, an oil cylinder and an electric cylinder according to the requirements of cost, field, performance and the like.

As a modified embodiment, the first jaw b21 includes a first left jaw body b211 and a first right jaw body b212 which are horizontally arranged, a horizontal insertion groove b213 is provided on a surface of the first left jaw body b211 opposite to the first right jaw body b212, the first right jaw body b212 is arranged by being inserted into the insertion groove b213 from a side surface, and an opening through which a headband passes is formed at front and rear ends of the insertion groove b 213.

As shown in fig. 7, 8, 10 and 11, when the first left claw body b211 and the first right claw body b212 are closed, the headband is clamped, when the headband or the headband is released, the ear band or the headband is positioned in the embedded groove b213, the side surface of the embedded groove b213 is blocked by the first right claw body b212, so that the ear band or the headband cannot fall out from the side surface when the ear band or the headband is pulled away by the second clamping jaw b22, and the space surrounded by the first left claw body b211 and the first right claw body b212 by the embedded groove b213 can well limit the ear band or the headband, so that the ear band or the headband can be conveyed orderly.

As a modified embodiment, the second jaw b22 includes a second left jaw body b221 and a second right jaw body b222 which are horizontally arranged, the front ends of the second left jaw body b221 and the second right jaw body b222 extend outwards to form a protruding clamping portion b223, and the protruding clamping portion b223 passes through the position of the scissor piece b23 when the second jaw b22 approaches the first jaw b21 to clamp the ear band or the head band which protrudes from the first jaw b 21.

As shown in fig. 8 and 10, a pair of protruding clamping portions b223 formed by extending the second left jaw body b221 and the second right jaw body b222 outwards is used for clamping an ear band or a head band, the pair of protruding clamping portions b223 are structurally elongated and can pass through the space between the opened scissor pieces b23 to clamp the ear band or the head band protruding from the first jaw b21, so as to well avoid the interference between the structures of the second left jaw body b221 and the second right jaw body b222, the second cylinder body b220, the sliding block and the like and the structure of the scissor piece b23, and realize the clamping and conveying of the ear band or the head band orderly.

As a modified embodiment, the clamping mechanism b3 further includes two third cylinders b310 for driving the third clamping jaw b31 and the fourth clamping jaw b32 to close or separate, two fourth cylinders b320 for driving the third clamping jaw b31 and the fourth clamping jaw b32 to rotate, a placement frame b33 for placing the third cylinder b310 and the fourth cylinder b320, and a lifting cylinder b34 for driving the placement frame b33 to lift up and down.

As shown in fig. 7, 8, wherein third jaw b31 and fourth jaw b32 illustrate a headgear gripping position at second jaw b22 proximate first jaw b 21; as shown in fig. 10 and 11, the third jaw 31 and the fourth jaw 32 are shown in two resting states at the ear strap holding position and the welding position, i.e. the figures show two pairs of jaws, and the actual product is a left and right pair of jaws. Two sets of third cylinders b310 respectively realize the closing or the separation of the third clamping jaw b31 and the fourth clamping jaw b32, and two sets of fourth cylinders b320 respectively realize the rotation of two positions of the third clamping jaw b31 and the fourth clamping jaw b 32; the arrangement frame b33 is used for uniformly arranging a third clamping jaw b31 and a fourth clamping jaw b32, then the up-down positions of the third clamping jaw b31 and the fourth clamping jaw b32 can be adjusted through a specifically arranged lifting cylinder b34, so that the ear belt or the head belt can be lifted during activity, the ear belt or the head belt can be clamped by descending when the ear belt or the head belt is clamped at the clamping position, the interference with the ear belt or the head belt during the activity is avoided, the ear belt or the head belt is close to the mask body by descending when the welding position is reached, the ear belt or the head belt and the mask body can be pressed by the upper side and the lower side accurately by the upper welding part b41 and the lower welding part b42, and the welding can be completed at the accurate position. Each cylinder body can be realized by adopting specific implementation modes such as an air cylinder, an oil cylinder and an electric cylinder according to the requirements of cost, field, performance and the like.

As a modified embodiment, each of the third jaw b31 and the fourth jaw b32 includes a third left jaw body b311 and a third right jaw body b312, and a clamping surface b313 of the third left jaw body b311 and the third right jaw body b312 is disposed in an inclined state.

As shown in fig. 7 and 10, the third left jaw body b311 and the third right jaw body b312 are provided with a clamping surface b313 in an inclined state, one clamping surface b313 is arranged below and provides a certain supporting function for the ear band or the head band, and after the ear band or the head band is clamped by the clamping surfaces b313 on two sides, the flat surface of the ear band or the head band inclines downwards (the section of the ear band or the head band is approximately rectangular), so that when the upper welding piece b41 is pressed downwards, the flat surface can be better pressed towards the mask body, and the welding position can be kept flat.

As a modified embodiment, the welding mechanism b4 further comprises an upper welding cylinder b410 for driving the upper welding part b41 to lift and a lower welding cylinder b420 for driving the lower welding part b42 to lift.

As shown in fig. 7 and 10, the upper welding cylinder b410 and the lower welding cylinder b420 respectively realize the lifting of the upper welding part b41 and the lower welding part b42, and each cylinder can be realized by using specific embodiments such as an air cylinder, an oil cylinder, an electric cylinder and the like according to the requirements of cost, field, performance and the like.

As a modified embodiment, the upper welding pieces b41 are arranged into two left and right groups for correspondingly welding the two end positions of the ear belt or the head belt; the lower welding pieces b42 are provided with welding bearing surfaces for supporting the mask and the ear band or the head band, and the welding bearing surfaces cover the positions of the two sets of upper welding pieces b 41.

As shown in fig. 7 and 10, the lower welding part b42 is provided with a welding bearing surface, which can be used for supporting the mask body with good lower side, so as to keep the stability of the mask body during welding, and the upper welding part b41 is provided with a left group and a right group to correspond to the positions of two ends of the welding ear band or the head band, so that the occupied space on the structure is small, the arrangement between structures is facilitated, and the cost of parts is effectively controlled.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. A mask machine is characterized in that: including ear area welding mechanism (c), bandeau welding mechanism (b) and gauze mask folding mechanism (a) that the butt joint set up all includes installing support (b0) around, the middle part of installing support (b0) has the transport space (b01) that is used for carrying the gauze mask body, be provided with on installing support (b0) and be used for carrying the transport module (b02) of ear area or bandeau and be used for welding ear area or bandeau to the welding mechanism (b4) on the gauze mask body, welding mechanism (b4) includes upper weld spare (b41) and lower weld spare (b42) of mutually supporting, transport module (b02) and upper weld spare (b41) set up in the top of transport space (b01), lower weld spare (b42) sets up in the below of transport space (b01), still be provided with a spacing rail (b03) along the direction of transport of gauze mask body in the transport space (b01) of bandeau welding mechanism (b01), the headband to be welded, which is conveyed by a conveying assembly (b02) of the headband welding mechanism (b), is positioned on the upper side of a limiting rail (b03), the mask body is positioned on the lower side of the limiting rail (b03), when an upper welding piece (b41) and a lower welding piece (b42) of the headband welding mechanism (b) are folded, the headband and the mask body are welded, and the headband is supported by the limiting rail (b 03);

the mask folding mechanism (a) comprises a plurality of groups of pulling rollers (a1), an angular folding plate (a2), an ultrasonic welding mechanism (a3) and a cutting roller (a4), wherein the pulling rollers (a1) are arranged at the front and back positions of the angular folding plate (a2), the ultrasonic welding mechanism (a3) and the cutting roller (a4) to provide power for pulling the mask to move, the pulling roller (a1) in front of the angular folding plate (a2) is arranged in a transverse state, the pulling roller (a1) behind the angular folding plate (a2) is arranged in a vertical state, and the ultrasonic welding mechanism (a3) and the cutting roller (a4) are arranged in a vertical state;

the limiting rail (b03) extends from the head band welding mechanism (b) to the upper part of the mask folding mechanism (a), limits the head band on the upper part of the mask folding mechanism (a), and conveys the mask body in the mask folding mechanism (a);

the mask is characterized in that one of the ear band welding mechanism (c) and the headband welding mechanism (b) is opened for use, the other one is closed for deactivation, when the mask body is conveyed in the conveying space (b01) of the ear band welding mechanism (c) and the headband welding mechanism (b), the deactivated mechanism is conveyed to pass, and the activated mechanism is used for welding.

2. The mask machine according to claim 1, wherein: the limiting rail (b03) extends from the headband welding mechanism (b) to the conveying space (b01) of the ear band welding mechanism (c) and is arranged along the conveying direction of the mask body.

3. The mask machine according to claim 2, wherein: spacing rail (b03) are for can buckling moulding steel wire, spacing rail (b03) of ear strap welding mechanism (c) and bandeau welding mechanism (b) department rely on the dead weight to press in gauze mask body upper portion.

4. A mask machine according to claim 1, 2 or 3, wherein: the upper part of the material pulling roller (a1) is provided with a clamping mechanism (a7), the limiting rail (b03) is clamped by the clamping mechanism (a7) along the length direction, the clamping mechanism (a7) can perform clamping and loosening switching, and when the clamping mechanism (a7) is loosened, the upper space of the limiting rail (b03) is opened for the headband to pass through.

5. A mask machine according to claim 1, 2 or 3, wherein: the inlet end or/and the outlet end of transport space (b01) are provided with supporting seat (b04) and roller (b05) of arranging up and down, the lower part of gauze mask body is supported by supporting seat (b04), and upper portion is carried by the roller (b05) roll, spacing rail (b03) are worn between supporting seat (b04) and roller (b 05).

6. The mask machine according to claim 5, wherein: roller (b05) are including arranging axle (b051) and setting up bearing (b052) on arranging axle (b051), bearing (b052) and gauze mask body carry out the contact cooperation, two bearing (b052) form one in arranging axle (b051) middle part and are used for restricting breach (b053) of spacing rail (b03) skew.

7. A mask machine according to claim 1, 2 or 3, wherein: ultrasonic welding mechanism (a3) includes ultrasonic wave generation mechanism (a31), ultrasonic wave mould (a32) and cooperation roller (a33), ultrasonic wave generation mechanism (a31) is connected ultrasonic wave mould (a32), cooperation roller (a33) is vertical rotatable to be set up in one side of ultrasonic wave mould (a32), supply the gauze mask to pass between ultrasonic wave mould (a32) and the cooperation roller (a33) to when the gauze mask is pulled and is carried, cooperation roller (a33) rolls, ultrasonic wave mould (a32) and rolling cooperation roller (a33) are to the gauze mask welding department extrusion.

8. A mask machine according to claim 1, 2 or 3, wherein: still be provided with debugging roller set (a6) between angle-shaped folding plate (a2) and the blank roller (a4), debugging roller set (a6) is including being located front and back fixed roller (a61) and being located debugging roller (a62) at the middle part, debugging roller (a62) sets up on a translation mechanism (a63), carries out relative gauze mask direction of delivery's vertical translation, and anterior fixed roller (a61), debugging roller (a62) and rear fixed roller (a61) are walked around in proper order to the gauze mask, when carrying out the translation adjustment to debugging roller (a62) through translation mechanism (a63), changes the length of passing around of gauze mask between two fixed roller (a 61).

9. A mask machine according to claim 1, 2 or 3, wherein: the conveying assembly (b02) comprises a material storage mechanism (b1), a material pulling mechanism (b2) and a material clamping mechanism (b 3);

the storage mechanism (b1) is arranged on one side of the pulling mechanism (b2) and is used for winding and discharging the ear belt or the head belt;

the pulling mechanism (b2) comprises a first clamping jaw (b21) arranged close to the storing mechanism (b1), a second clamping jaw (b22) which can be close to or far away from the first clamping jaw (b21), and a scissor piece (b23) arranged on one side of the first clamping jaw (b21) close to the second clamping jaw (b22), wherein the first clamping jaw (b21) clamps or loosens an ear band or a head band output from the storing mechanism (b1), the second clamping jaw (b22) clamps the ear band or the head band at the first clamping jaw (b21) when approaching the first clamping jaw (b21) and pulls out a section of the ear band or the head band after being far away, and the scissor piece (b23) is used for shearing the section of the ear band or the head band pulled out by the second clamping jaw (b 22);

the material clamping mechanism (b3) comprises a third clamping jaw (b31) and a fourth clamping jaw (b32) which are respectively arranged close to the first clamping jaw (b21) and the second clamping jaw (b22), the third clamping jaw (b31) and the fourth clamping jaw (b32) are horizontally and rotatably arranged, the third clamping jaw (b31) and the fourth clamping jaw (b32) are used for clamping a pulled-out section of ear belt or head belt when the third clamping jaw (b 3538) and the fourth clamping jaw (b32) rotate to be close to the first clamping jaw (b21) and the second clamping jaw (b22), and the third clamping jaw (b 3684) rotates after the pulled-out section of ear belt or head belt is cut off, so that the two ends of the section of ear belt or head belt rotate to a welding position;

the middle position of the upper welding piece (b41) and the lower welding piece (b42) is the welding position where the two ends of the section of ear belt or head belt stay.

10. The mask machine according to claim 9, wherein: the material storage mechanism (b1) comprises an upper winding wheel (b11), a lifting winding wheel (b12) and a lower winding wheel (b13), wherein the upper winding wheel (b11) is connected with a driving mechanism (b14) for providing power for discharging, and an ear belt or a head belt is wound on the upper winding wheel (b11), and the ear belt or the head belt sequentially bypasses the lifting winding wheel (b12) and the lower winding wheel (b13) to a first clamping jaw (b 21); the lifting winding wheel (b12) is arranged on the vertical shaft (b15) in a lifting mode, a sensor (b16) for detecting the position of the lifting winding wheel (b12) is arranged on the lower portion, corresponding to the vertical shaft (b15), of the lifting winding wheel (b12) and is correspondingly located at a sensor (b16) in the initial position, when the second clamping jaw (b22) pulls the materials, the ear belt or the head belt is pulled away from the material storage mechanism (b1), and the position of the lifting winding wheel (b12) rises; when the sensor (b16) detects that the lifting winding wheel (b12) ascends and leaves, the feedback signal starts the driving mechanism (b14) to discharge the ear belt or the head belt, so that the lifting winding wheel (b12) descends to the sensor (b 16).

Images