CN112425840A

CN112425840A - Adjustable mask and production equipment thereof

Info

Publication number: CN112425840A
Application number: CN202011113611.9A
Authority: CN
Inventors: 周黎; 王淑芳; 李峰
Original assignee: Ningbo Beilai Travelling Products Co ltd
Current assignee: Ningbo Beilai Travelling Products Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-03-02

Abstract

The application relates to an adjustable mask and production equipment thereof, relates to a mask production technology and is used for solving the problem of poor adaptability of a mask belt; the utility model provides an inside and outside bilayer structure's gauze mask area can be according to the length of band in the different regulation of user's face type, and then adjusts the elasticity in gauze mask area to make gauze mask area can adapt to wearing in more crowds.

Description

Adjustable mask and production equipment thereof

Technical Field

The application relates to the technical field of mask production, in particular to an adjustable mask and production equipment thereof.

Background

The mask is a hygienic product and is mainly used for isolating external dust, germs and the like from invading the respiratory system of a human body to cause harm to the health of the human body. The mask is made of gauze and non-woven fabric, wherein the non-woven fabric is light in texture and good in blocking effect, so that the mask is widely applied to mask manufacturing.

At present, the chinese utility model with the bulletin number CN206433822U discloses a butterfly anti-static industrial mask, including the mask body, breathing module and mask area, the whole body of the mask body is the butterfly, and the mask body has connected gradually bamboo charcoal fiber cloth layer, non-woven fabrics layer, activated carbon layer, melt-blown cloth layer and fibre cloth top layer from inside to outside, the non-woven fabrics layer is stained with antistatic agent, the compound mask body that forms establishes by inside and outside communicating breathing passage, breathing module adopts cold flow breather valve, cold flow breather valve includes inlet end, filter and the end of giving vent to anger, the one end and the inlet end of filter communicate with each other, give vent to anger the end and communicate with each other with the other end of filter, inlet end, filter and the end of giving vent to anger are fixed mounting in the breathing passage of the mask body from outside to inside, the both sides at the mask body composite bed are installed to the mask.

In view of the above-mentioned related art, the inventors of the present invention have considered that since the length of the mask band of the mask is fixed, the size of the face of the user varies depending on the body type and age, and the mask band has a drawback of poor fitting property.

Disclosure of Invention

In order to improve the adaptability of the mask belt, the first purpose of the application is to provide an adjustable mask.

First aspect, the application provides an adjustable gauze mask adopts following technical scheme:

the utility model provides an adjustable gauze mask, includes the gauze mask body and is fixed in the gauze mask area of gauze mask body both sides, the gauze mask area is including being hollow cylindric outer clitellum and wearing to locate the interior band in the outer clitellum, offer on the outer clitellum and be used for the regulation mouth that interior band pulled out from the outer clitellum.

Through adopting above-mentioned technical scheme, when the length of gauze mask area is adjusted to needs, pull out interior band from the regulation intraoral, because gauze mask area itself is the elasticity rope, consequently interior band is pulled out and is opened again after the fixed length, can produce the shrink for gauze mask takes whole production shrink, and then realizes adjusting gauze mask area length, makes it can possess better suitability.

Preferably, be provided with in the regulation mouth and be used for fixed interior band by the section hang the rope subassembly, hang the rope subassembly and include that at least two sets of being fixed in respectively that the outer clitellum is located the regulation mouth and along the locating piece of its length direction's both ends department, offer the rope groove of hanging that is used for supplying interior band embedding on the lateral wall of one side is backed to each other to two sets of locating pieces, and be formed with between the adjacent locating piece of same group and be used for supplying the pass band mouth that interior band passed through.

Through adopting above-mentioned technical scheme, hang the rope subassembly and can supply interior band winding to interior band is after twining on the locating piece, because interior band is in the string rope groove on the embedding locating piece, consequently the interior band can be hooked to the entity part of locating piece, and the restriction interior band drops from the locating piece, thereby makes the length of interior band can remain stable.

In a second aspect, the present application provides a mask production apparatus, which adopts the following technical solution:

the mask production equipment comprises a raw material conveying mechanism, a surface embossing mechanism and a mask belt compound mechanism, wherein the mask belt compound mechanism comprises an installation frame and a compound head arranged on the installation frame in a lifting mode, the compound head comprises a lifting frame, a clamping and conveying assembly arranged on the lifting frame and used for conveying a mask belt to a welding station, and a welding assembly arranged on the lifting frame and used for fixing the mask belt and a mask body.

For the gauze mask, its production process needs through the impressed watermark, several steps such as welding, cut, because gauze mask raw materials material is softer, be connected irregularly between gauze mask area and the gauze mask body, need be fixed in on the gauze mask body after buckling gauze mask area, therefore the connection process between gauze mask area and the gauze mask body is comparatively difficult, through adopting above-mentioned technical scheme, raw materials conveying mechanism carries the gauze mask raw materials to surperficial impressed watermark mechanism, send into gauze mask area combined mechanism again after the impression of surperficial impressed watermark mechanism, when the gauze mask area reachs gauze mask area combined mechanism, press from both sides the feed assembly and clip the gauze mask area, and press from both sides the gauze mask area to welding station, drive the welding subassembly by the crane afterwards and push down, fix gauze mask area and the gauze mask body, thereby realize being connected between gauze mask area and the gauze mask body.

Preferably, the clamping and conveying assembly comprises a clamping and conveying frame rotatably installed on the lifting frame, a strip winding block fixed on one end of the clamping and conveying frame, which is in contact with the mask body, and wire clamping blocks rotatably installed on the clamping and conveying frame and located on two sides of the strip winding block respectively, a wire clamping port used for clamping the mask strip is formed between the wire clamping blocks and the side wall of the clamping and conveying frame, a driving assembly used for ordering the wire clamping blocks to clamp the mask strip after rotating is arranged on the clamping and conveying frame, and a rotating assembly used for ordering the clamping and conveying frame to the welding station after rotating is arranged on the lifting frame.

By adopting the technical scheme, when the mask belt is conveyed, the driving assembly orders the wire clamping block to clamp the mask belt, then the rotating assembly orders the clamping frame to rotate, in the rotating process of the clamping frame, the mask belt is pulled and is pasted on the strip winding block to realize bending of the mask belt, meanwhile, after the clamping frame rotates, the part of the mask belt pasted on the strip winding block reaches the welding station, then after the mask belt and the mask belt coil are cut off, the part of the mask belt pasted on the strip winding block forms two wire ends at two ends of the strip winding block, and when the welding assembly presses down, the mask belt can be welded on the mask body to form the annular mask belt to be hung on ears of a person.

Preferably, the driving assembly comprises a driven gear fixed on a rotating shaft of the wire clamping block and a driving block arranged on the clamping and conveying frame in a lifting mode, the driving block is provided with meshing teeth, the meshing teeth are meshed with the driven gear, and the clamping and conveying frame is provided with a locking assembly used for locking the position of the driving block.

Through adopting above-mentioned technical scheme, when needs press from both sides, put the gauze mask area, order about the drive block motion, because the driven gear of drive block and the axis of rotation of trapping line piece meshes mutually, consequently the drive block can drive trapping line piece and produce rotatoryly, and then makes trapping line piece can press the gauze mask area and press on pressing from both sides the carrier in order to realize fixed the centre gripping of gauze mask area.

Preferably, the driving assembly further comprises a mouth loosening device for driving the wire clamping block to loosen the mouth mask belt, the mouth loosening device comprises an elastic sheet, one end of the elastic sheet is hinged to the wire clamping block, and the other end of the elastic sheet is hinged to the clamping and conveying frame.

Through adopting above-mentioned technical scheme, because the both ends of flexure strip are connected respectively on clamp line piece and the frame of pressing from both sides, consequently when clamp line piece is close to towards pressing from both sides the frame, can produce the extrusion to the flexure strip for gather elastic potential energy on the flexure strip, so when the drive block loses the effect of external thrust, the flexure strip just can release elastic potential energy, and then makes the clamp line piece loosen the clamping action to the gauze mask area, and then can loosen the restraint after gauze mask area and gauze mask body welding.

Preferably, the locking assembly comprises a locking block telescopically arranged on the clamping and conveying frame and a pushing piece arranged on the clamping and conveying frame and used for pushing the locking block to move towards the driving block, the movement direction of the locking groove is perpendicular to the movement direction of the driving block, and the driving block is provided with a locking groove for the locking block to be embedded.

By adopting the technical scheme, the movement direction of the driving block is vertical to that of the locking block, so that when the locking block is mutually embedded with the driving block, the movement of the driving block can be limited, and the driving block and the wire clamping block are mutually linked through the gear, so that when the driving block is fixed, the movement of the wire clamping block is also limited, and the wire clamping block can keep the clamping acting force on the mask belt.

Preferably, the crane is provided with the installation cavity near the one end of mounting bracket, rotating assembly is located the installation cavity, and rotating assembly is including being fixed in that the pinch frame is close to one of mounting bracket one serve the internal tooth dish, rotate and install on the crane and around the gyro wheel that the internal tooth dish distributes, be fixed in the rotatory power spare on the pinch frame, be fixed in the epaxial drive gear of output of rotatory power spare, drive gear meshes with the internal gear of internal tooth dish mutually, and the circumference lateral wall of internal tooth dish is inconsistent with the gyro wheel.

Through adopting above-mentioned technical scheme, after the back is cliied with the gauze mask area to the clamp line piece, the rotary power piece starts to it is rotatory to drive the inner tooth dish through drive gear, because inner tooth dish and clamp are put up fixedly mutually, consequently press from both sides the frame and can follow the inner tooth dish and rotate together, and then drive the gauze mask area around pasting on the strip winding piece, realize buckling to the gauze mask area.

Preferably, the welding assembly comprises a lifter arranged on the lifting frame and a pressure welding head fixed on one end of the lifter, which faces the mask body, and one surface of the pressure welding head, which is used for being in contact with the mask body, is provided with pressing grains.

By adopting the technical scheme, the lifter is used for driving the pressure welding head to move, and after the pressure welding head is contacted with the mask belt and the mask body, the mask belt and the mask body can be subjected to fusion welding, so that the mask is molded.

Preferably, be provided with the linkage subassembly that is used for triggering locking piece and breaks away from the locking groove on the drive block on the pressure welding head, the linkage subassembly wraps the gangpin, articulates and send the handle of dialling on pressing the clamp frame, press from both sides to send and set up the activity groove that is linked together with the flexible chamber in locking piece place on the frame, dial and serve near one of activity groove and offer a word groove, and dial and be fixed with the linkage piece that supplies the lower briquetting butt on the pressure welding head to the one end of keeping away from a word groove, the gangpin is fixed mutually with the locking piece after passing a word groove and activity groove in proper order, and linkage piece and gangpin are located respectively and dial the center of rotation both sides of changing the handle.

Through adopting above-mentioned technical scheme, when the pressure welding head downstream with the gauze mask area with the gauze mask body fixed pressure, lower briquetting above that can contact with the linkage piece of dialling on the commentaries on classics handle, and promote to dial and turn to produce and rotate, dial the pivoted in-process, can drive the side motion that the driver block was kept away from to the interlocking round pin orientation, and then pull open locking piece from locking inslot on the driver block, and the driver block is after the unblock, the elastic potential energy can be released to the flexure strip, and then push open the clamp wire piece from pressing from the pinch frame, make the good gauze mask area of welding loosened, thereby make the good gauze mask of welding can be delivered to next process by raw materials conveying mechanism, in order to realize the high automation of gauze mask production.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mask belt with the inner and outer double-layer structure can adjust the length of the inner bridle according to different facial shapes of users, so that the tightness of the mask belt can be adjusted, and the mask belt can be suitable for more people to wear;

2. the matched mask production equipment can bend the mask belt, so that the mask belt can form an annular structure of a suspension loop after being welded on the mask body;

3. the locking assembly can pin the clamping line piece, makes the gauze mask area can keep steady at the in-process of being transported, presses the bonding tool simultaneously to take the gauze mask body to carry out welded fastening in the gauze mask body, can trigger the linkage assembly and carry out the unblock to the locking piece, and then makes the gauze mask area can be voluntarily by the clamping line piece after welding well and release to make things convenient for the transportation operation of gauze mask.

Drawings

Fig. 1 is a schematic structural view of an adjustable mask according to the present embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an overall configuration diagram of the mask producing apparatus according to the present embodiment;

FIG. 4 is a schematic view of the mask belt combining mechanism of the mask producing apparatus according to the present embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B;

fig. 6 is a partial enlarged view at C in fig. 4.

Description of reference numerals: 1. a mask body; 2. a mask band; 21. an outer annulus; 22. an inner band; 23. a lanyard assembly; 231. an adjustment port; 232. positioning blocks; 233. a pass-band port; 234. a rope hanging groove; 3. a raw material conveying mechanism; 4. a surface embossing mechanism; 5. a thread trimming mechanism; 6. the mask is provided with a compound mechanism; 61. a mounting frame; 62. compounding the head; 621. a lifting frame; 6211. a cover plate; 6212. a carrier; 6213. a mounting cavity; 6214. a guide post; 6215. a lifting cylinder; 622. a pinch assembly; 6221. a clamping and conveying frame; 6222. a column; 6223. mounting a plate; 6224. a tape winding block; 6225. a wire clamping block; 623. welding the assembly; 6231. a lifter; 6232. pressing a welding head; 7. a rotating assembly; 71. an inner fluted disc; 72. a roller; 73. a rotary power member; 74. a drive gear; 8. a drive assembly; 81. a driven gear; 82. a drive block; 83. a mouth loosening device; 84. a push cylinder; 9. a locking assembly; 91. a locking block; 92. a pusher member; 93. a locking groove; 10. a linkage assembly; 101. a linkage pin; 102. dialing a transfer handle; 103. a linkage block; 104. and (7) pressing the blocks.

Detailed Description

The present application is described in further detail below with reference to the attached figures.

The embodiment of the application discloses adjustable gauze mask, refer to fig. 1, including the gauze mask body 1 and gauze mask area 2, gauze mask area 2 includes outer clitellum 21 and interior banding 22, and outer clitellum 21 is hollow cylindric, and interior banding 22 wears to locate in outer clitellum 21. An adjusting opening 231 is formed in the middle of the outer ring belt 21, and a hanging rope assembly 23 for hanging the inner belt 22 after being pulled out is arranged at the position, located in the adjusting opening 231, of the outer ring belt 21.

Referring to fig. 2, the hanging rope assembly 23 includes two sets of positioning blocks 232, and the two sets of positioning blocks 232 are respectively located in the adjusting opening 231 and at two ends along the length direction of the outer ring belt 21. The number of each set of positioning blocks 232 is two, a pass-band opening 233 for the inner strap 22 to pass through is formed between the two positioning blocks 232 of the same set at intervals, and a rope hanging groove 234 for the inner strap 22 to wind is formed on the side wall of each of the two sets of positioning blocks 232 opposite to each other.

In order to facilitate the production of the mask, the present embodiment further provides a mask production apparatus, referring to fig. 3, which sequentially comprises a raw material conveying mechanism 3, a surface embossing mechanism 4, a thread cutting mechanism 5 and a mask belt combining mechanism 6 according to the processing sequence of the mask, wherein the raw material of the mask, i.e. the non-woven fabric roll, is mounted on the raw material conveying mechanism 3 and is conveyed to the surface embossing mechanism 4 under the action of the raw material, and meanwhile, the non-woven fabric raw material is folded in the conveying process. When the non-woven fabric raw material reaches the surface embossing mechanism 4, the cutting edge lines are generated on the mask under the rolling of the surface embossing mechanism 4. Then the raw material conveying mechanism 3 continues to convey the non-woven fabric raw material to the mask belt compounding mechanism 6, the redundant parts of the mask belt 2 are cut off by the thread cutting mechanism 5 in the form of pneumatic scissors, and then the mask belt compounding mechanism 6 fixes the mask belt 2 on the mask body 1 in the form of ultrasonic welding.

The mask belt compound mechanism 6 is improved aiming at the problem that the mask belt 2 is inconvenient to weld, and specifically, referring to fig. 4, the mask belt compound mechanism 6 comprises an installation frame 61 and a compound head 62, wherein the installation frame 61 is used as an installation main body; the compound head 62 comprises a lifting frame 621, a clamping and conveying assembly 622 and a welding assembly 623, wherein the lifting frame 621 is formed by fixing a cover plate 6211 and a carrying frame 6212 with a mounting cavity 6213, the mounting cavity 6213 on the carrying frame 6212 is sealed by the cover plate 6211, a guide column 6214 is arranged on the cover plate 6211, and the free end of the guide column 6214 penetrates through the mounting frame 61 to guide the movement direction of the lifting frame 621; specifically, four guide columns 6214 may be provided, and a lifting cylinder 6215 for driving the lifting frame 621 to move up and down is fixed on the mounting frame 61, the lifting cylinder 6215 is located in the enclosure of the four guide columns 6214, and a piston rod of the lifting cylinder 6215 passes through the mounting frame 61 and is fixedly connected with the cover plate 6211.

Referring to fig. 4 and 5, the pinch assembly 622 includes a pinch holder 6221, a tape winding block 6224, and a wire clamping block 6225, the pinch holder 6221 includes a mounting plate 6223 for a column 6222, the column 6222 is vertically fixed on the mounting plate 6223, and one end of the column 6222 away from the mounting plate 6223 is rotatably mounted on the lifting frame 621 through a rotating assembly 7. The rotating assembly 7 comprises an inner toothed disc 71, rollers 72, a rotating power member 73 and a driving gear 74, the inner toothed disc 71 is a disc-shaped structure with internal teeth, the inner toothed disc 71 and the rollers 72 are both rotatably mounted in the mounting cavity 6213 of the bearing frame 6212, the upright post 6222 of the pinch frame 6221 upwardly penetrates through the rear bearing frame 6212 and then is fixed at the center of the inner toothed disc 71, and the rollers 72 are uniformly distributed on the peripheral side of the inner toothed disc 71 and abut against the inner toothed disc 71, so that the radial displacement of the inner toothed disc 71 is limited. The rotary power member 73 is a motor, a housing of the motor is fixed on the bearing frame 6212, the driving gear 74 is fixed on an output shaft of the motor, and the driving gear 74 is engaged with the internal teeth of the internal toothed disc 71, so that the motor can drive the pinch frame 6221 to rotate.

Referring to fig. 4 and 6, two tape winding blocks 6224 are provided, which are respectively fixed on two opposite side walls of the mounting plate 6223, and one side of the tape winding block 6224 opposite to the mounting plate 6223 is in a convex arc structure; the wire clamping blocks 6225 are provided with four, and the free ends of the wire clamping blocks 6225 are provided with hook portions for hooking and winding the mask belt 2. The four wire clamping blocks 6225 are rotatably mounted on the mounting plate 6223 in two groups and are adjacent to the side wall where the tape winding block 6224 is located, a wire clamping opening for clamping the mask tape 2 is formed between the wire clamping blocks 6225 and the mounting plate 6223, and when the wire clamping blocks 6225 clamp the mask tape 2, the hook part is buckled at the lower side of the mounting plate 6223. Two clamp wire pieces 6225 of same group are close to respectively and take the both ends terminal point that 6224 is circular-arc structure around taking, and then make the gauze mask area 2 introduce the back, are cliied gauze mask area 2 by clamp wire piece 6225, then rotatory power piece 73 drive mounting panel 6223 is rotatory, take 2 the gauze mask around rolling up on taking 6224, realize taking 2 bending to the gauze mask to take 2 the gauze mask to shift to welding station.

The line clamping block 6225 clamps and releases the mask belt 2 through a driving component 8, the driving component 8 comprises a driven gear 81, a driving block 82 and a mouth loosening device 83, the driven gear 81 is fixed on a rotating shaft of the line clamping block 6225 and rotates along with the rotating shaft of the line clamping block 6225; the lateral wall of the mounting plate 6223 is provided with a plugging groove communicated with the cavity where the driven gear 81 is located, the two sides of the driving block 82 are provided with plugging blocks matched with the plugging groove, and the driving block 82 is slidably mounted on the mounting plate 6223 through the matching of the plugging blocks and the plugging groove. Meanwhile, the driving block 82 is provided with engaging teeth so that the driving block 82 has a rack function, and after being mounted, the driving block 82 and the driven gear 81 are engaged with each other.

In order to realize the driving of the driving block 82, a pushing cylinder 84 is fixed on the lifting frame 621 and above the driving block 82, a piston rod of the pushing cylinder 84 is abutted against the driving block 82 after being extended, so as to push the driving block 82 to move downwards, the driving block 82 drives the wire clamping block 6225 to rotate towards the mounting plate 6223 through the driven gear 81, and then the mask belt 2 is clamped.

The mouth loosening device 83 comprises an elastic sheet, a groove is formed in the position, located in the line clamping port, of the mounting plate 6223, one end of the elastic sheet is hinged to the line clamping block 6225, the other end of the elastic sheet is hinged to the side wall, located in the groove, of the mounting plate 6223, and therefore the elastic sheet can push the line clamping block 6225 to loosen the mask belt 2 after the pushing cylinder 84 resets.

In order to ensure stable clamping of the mask belt 2, a locking assembly 9 which enables the wire clamping block 6225 to maintain clamping force on the mask belt 2 is arranged on the mounting plate 6223, the locking assembly 9 comprises a locking block 91 and a pushing piece 92, the locking block 91 is in a long strip shape, one end of the locking block 91 is provided with an inclined surface, the pushing piece 92 is a spring, an embedded groove which is vertically communicated with the embedded groove is formed in the inner side wall of the embedded groove of the mounting plate 6223, the pushing piece 92 and the locking block 91 are sequentially embedded in the embedded groove, the pushing piece 92 is extruded by the locking block 91 and the groove bottom of the embedded groove, after the mounting, the inclined surface on the locking block 91 faces the pushing cylinder 84, and a locking groove 93 for the locking block 91 to be embedded is formed in the side wall of the driving block 82.

The welding members 623 are provided in two sets, respectively, on both sides of the strap winding block 6224, and thus weld both ends of the cut-off mask strap 2 at the same time. The welding assembly 623 comprises a lifter 6231 and a pressure welding head 6232, the lifter 6231 is a cylinder, the lifter 6231 is fixed on the lifting frame 621, the pressure welding head 6232 is of an ultrasonic welding type and is fixed on a piston rod of the lifter 6231, and the surface of one side, back to the lifter 6231, of the pressure welding head 6232 is provided with press grains.

In order to facilitate the transportation of the mask belt 2 after welding, a linkage assembly 10 for unlocking the locking assembly 9 is arranged on the mounting plate 6223, the linkage assembly 10 comprises a linkage pin 101 and a toggle handle 102, the toggle handle 102 is L-shaped, and the L-shaped corner point is hinged on the mounting plate 6223; a movable groove which is vertically communicated with the caulking groove where the locking block 91 is located is formed in the side wall of the mounting plate 6223, a linear groove is formed in one end, close to the mounting groove, of the shifting handle 102, and the linkage pin 101 sequentially penetrates through the linear groove and the movable groove and then is fixed to the locking block 91. In order to facilitate the triggering of the toggle handle 102, a linkage block 103 is fixed at one end of the toggle handle 102 far away from the straight groove, a lower pressing block 104 is fixed on the pressure welding head 6232, and when the pressure welding head 6232 moves downwards under the pushing of the lifter 6231, the lower pressing block is abutted against the linkage block 103, so as to drive the toggle handle 102 to rotate, and the linkage pin 101 is pulled.

The implementation principle of the embodiment of the application is as follows: when the length of the mask belt 2 needs to be adjusted, the inner belt 22 is pulled out from the adjusting opening 231 and wound on the positioning block 232, and the inner belt 22 is tightened by means of the positioning block 232, so that the tightness of the mask belt can be adjusted, and the mask belt 2 can have wider applicability.

Meanwhile, when the mask production equipment welds the mask belt 2 and the mask body 1, the line clamping block 6225 rotates under the driving of the driving block 82, and clamps and fixes the introduced mask belt 2 together with the mounting plate 6223, and meanwhile, the locking block 91 transversely inserts into the driving block 82 to lock the clamping effect of the line clamping block 6225. Then the rotating power piece 73 drives the mounting plate 6223 to rotate, the mounting plate 6223 pulls the mask belt 2 in the rotating process, the mask belt 2 is wound on the belt winding block 6224 to realize bending of the mask, then the pneumatic scissors type wire cutting mechanism 5 cuts off the redundant part of the mask belt 2, finally the pressure welding head 6232 moves downwards under the pushing of the lifter 6231 to weld and fix the two ends of the mask belt 2 and the mask body 1, and the pressure welding head 6232 triggers the shifting handle 102 in the operation process, drives the locking block 91 to unlock through the shifting handle 102, so that the wire clamping block 6225 releases the restraint on the mask belt 2, and further the mask belt 2 can be rapidly transported to the next process after being welded and fixed, so that the highly automated flow production is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an adjustable gauze mask, includes the gauze mask body (1) and is fixed in gauze mask area (2) of the gauze mask body (1) both sides, its characterized in that: the mask belt (2) comprises a hollow cylindrical outer annular belt (21) and an inner belt (22) arranged in the outer annular belt (21) in a penetrating mode, and an adjusting opening (231) used for pulling the inner belt (22) out of the outer annular belt (21) is formed in the outer annular belt (21).

2. The adjustable mask according to claim 1, wherein: be provided with in regulation mouth (231) and be used for fixed interior band (22) by the string rope subassembly (23) of pull-out section, hang rope subassembly (23) including at least two sets of be fixed in respectively that outer clitellum (21) is located regulation mouth (231) and along locating piece (232) of its length direction's both ends department, set up on the lateral wall of one side each other dorsad of two sets of locating pieces (232) and be used for supplying interior band (22) embedding string rope groove (234), and be formed with between the adjacent locating piece (232) of same set of and be used for supplying pass band (233) that interior band (22) passed through.

3. The utility model provides a mask production facility, includes raw materials conveying mechanism (3), surface embossing mechanism (4) and mask area combined mechanism (6), its characterized in that: the mask belt compounding mechanism (6) comprises an installation frame (61) and a compounding head (62) arranged on the installation frame (61) in a lifting mode, wherein the compounding head (62) comprises a lifting frame (621), a clamping and conveying assembly (622) which is arranged on the lifting frame (621) and used for conveying the mask belt (2) to a welding station, and a welding assembly (623) which is arranged on the lifting frame (621) and used for fixing the mask belt (2) and the mask body (1).

4. A mask manufacturing apparatus according to claim 3, wherein: the clamping and conveying assembly (622) comprises a clamping and conveying frame (6221) rotatably installed on the lifting frame (621), a strip winding block (6224) fixed to one end, in contact with the mask body (1), of the clamping and conveying frame (6221), and a wire clamping block (6225) rotatably installed on the clamping and conveying frame (6221) and located on two sides of the strip winding block (6224) respectively, a wire clamping port used for clamping the mask strip (2) is formed between the wire clamping block (6225) and the side wall of the clamping and conveying frame (6221), a driving assembly (8) used for driving the wire clamping block (6225) to rotate and then clamp the mask strip (2) is arranged on the clamping and conveying frame (6221) is provided with a rotating assembly (7) used for driving the clamping and conveying the strip winding block (6224) to a welding station after the clamping and conveying frame (6221) rotates.

5. A mask production apparatus according to claim 4, wherein: the driving assembly (8) comprises a driven gear (81) fixed on a rotating shaft of the wire clamping block (6225) and a driving block (82) arranged on the clamping and conveying frame (6221) in a lifting mode, meshing teeth are arranged on the driving block (82), the meshing teeth are meshed with the driven gear (81), and a locking assembly (9) used for locking the position of the driving block (82) is arranged on the clamping and conveying frame (6221).

6. A mask production apparatus according to claim 5, wherein: the driving assembly (8) further comprises a mouth loosening device (83) used for driving the wire clamping block (6225) to loosen the mask belt (2), the mouth loosening device (83) comprises an elastic sheet, one end of the elastic sheet is hinged to the wire clamping block (6225) and the other end of the elastic sheet is hinged to the clamping and conveying frame (6221).

7. A mask production apparatus according to claim 5, wherein: the locking assembly (9) comprises a locking block (91) which is telescopically arranged on a clamping and conveying frame (6221), and a pushing piece (92) which is arranged on the clamping and conveying frame (6221) and used for pushing the locking block (91) to move towards a driving block (82), wherein the moving direction of the locking groove (93) is perpendicular to the moving direction of the driving block (82), and the driving block (82) is provided with a locking groove (93) for embedding the locking block (91).

8. A mask production apparatus according to claim 4, wherein: one end that crane (621) is close to mounting bracket (61) is provided with installation cavity (6213), rotating assembly (7) are located installation cavity (6213), rotating assembly (7) including be fixed in pinch frame (6221) be close to one of mounting bracket (61) on one end in internal tooth dish (71), rotate install on crane (621) and around gyro wheel (72) that internal tooth dish (71) distribute, be fixed in rotary power spare (73) on pinch frame (6221), be fixed in drive gear (74) on the output shaft of rotary power spare (73), drive gear (74) mesh with the internal gear of internal tooth dish (71), and the circumference lateral wall and gyro wheel (72) counterbalance of internal tooth dish (71).

9. A mask manufacturing apparatus according to claim 3, wherein: the welding assembly (623) comprises a lifter (6231) arranged on the lifting frame (621) and a pressure welding head (6232) fixed to one end, facing the mask body (1), of the lifter (6231), wherein the pressure welding head (6232) is used for being provided with pressing grains on one surface, in contact with the mask body (1), of the pressure welding head.

10. A mask producing apparatus according to any one of claims 7 or 9, wherein: be provided with on bonding tool (6232) and be used for triggering locking piece (91) and break away from linkage subassembly (10) of locking groove (93) on drive block (82), linkage subassembly (10) package interlocking pin (101), articulate group commentaries on classics handle (102) on pressing from both sides send frame (6221), it offers the activity groove that is linked together with locking piece (91) place flexible chamber to send on the frame (6221) to press, dial and have offered a word groove on one of being close to the activity groove to handle (102), and dial and be fixed with linkage piece (103) that supply lower briquetting (104) butt on pressing tool (6232) to send (102) one end of keeping away from a word groove, linkage pin (101) are fixed mutually with locking piece (91) after passing a word groove and activity groove in proper order, and linkage piece (103) and linkage pin (101) are located respectively and dial the center of turning both sides of turning to handle (102).