CN111469434B - Mask nose bridge strip welding production line and production method thereof - Google Patents
Mask nose bridge strip welding production line and production method thereof Download PDFInfo
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- CN111469434B CN111469434B CN202010343667.7A CN202010343667A CN111469434B CN 111469434 B CN111469434 B CN 111469434B CN 202010343667 A CN202010343667 A CN 202010343667A CN 111469434 B CN111469434 B CN 111469434B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
- B29C65/7808—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features in the form of holes or slots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7855—Provisory fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4835—Masks
Abstract
The invention discloses a mask nose bridge strip welding production line and a production method thereof, belonging to the field of machinery and comprising a wire feeding roller, a wire guide roller, a nose bridge strip feeding assembly, a fixed gripper assembly, a wire breaking assembly, an ultrasonic welding assembly and a wire drawing gripper assembly which are arranged from front to back, wherein the nose bridge strip feeding assembly comprises a nose bridge strip feeding groove, an inclined feeding plate and a wire pushing assembly for pushing a filament into an arc-shaped groove of the nose bridge strip, the upper end of the inclined feeding plate is fixedly arranged at the outlet of the nose bridge strip feeding groove, an arc-shaped mounting plate is formed at the lower end of the inclined feeding plate, and the wire pushing assembly is fixedly arranged at the corresponding position of the arc-shaped mounting plate. The invention has the beneficial effects that: the long filaments are adopted to pull and fix the nose bridge strip and simultaneously weld the nose bridge strip, so that the nose bridge strip is still in a fixed state during welding, the relative movement between the nose bridge strip and the mask cloth is not needed to be worried, and the lateral feeding reduces the requirement on the use space between the upper mask cloth and the lower mask cloth due to the fact that the long filaments are adopted to be fixed and the pollution problem is avoided.
Description
Technical Field
The invention relates to the field of machinery, in particular to a welding production line for a nose bridge strip of a mask and a production method of the nose bridge strip of the mask.
Background
The unavoidable meeting of N95 gauze mask can involve the line of sending and the weldment work of bridge of the nose line in process of production, there are three kinds of situations that weld in the gauze mask inboard, cloth intermediate level or outside in the current N95 gauze mask bridge of the nose line, when the welding was in the cloth intermediate level, the line of sending of bridge of the nose line generally adopted and send the line with the same direction of gauze mask cloth direction of delivery, need form the horn mouth between two gauze masks cloth, just so have enough space to hold and send the line equipment.
And welding position often is not synchronous with bridge of the nose strip fixed position, fixes bridge of the nose strip under on the gauze mask cloth promptly, welds again, appears the displacement between bridge of the nose strip and the gauze mask cloth easily at this in-process, can appear the problem that bridge of the nose strip dropped sometimes even. Generally, the adhesive is added between a nose bridge strip and lower mask cloth in the prior art, so that the problem of relative displacement between the nose bridge strip and the mask cloth is solved to a certain extent, but the adhesive still has the moving condition due to the fact that the adhesive needs a certain time for curing, and the adhesive has certain pollution, particularly, when the adhesive is used on products such as masks and the like with higher requirements on sanitation and safety, the use requirements of the adhesive are very high, very precise equipment and process design are needed, so that the production of N95 masks is greatly increased, and the effect is not good.
The utility model discloses a utility model patent that bulletin number is CN208318346U discloses a full-automatic gauze mask machine nose line group mechanism, including decollator, push plate, wire feeding wheel, nose line cutter, press from both sides tight blade holder, the decollator front side is connected with the wire feeding wheel, and the wire feeding wheel comprises cam decollator, wire feeding friction pulley, wire feeding cam, driven gear, driving gear, wire feeding drive sprocket, extension spring, chain drive route, take-up pulley and main drive chain, and the side of wire feeding wheel is connected with the nose line cutter, and the below of nose line cutter is provided with presss from both sides tight blade holder, and the rear that presss from both sides tight blade holder is provided with push plate. The feeding is carried out from the direction of a cloth bell mouth, the equipment is complex, and the problems of low feeding position precision, low efficiency, easy sliding after feeding and the like exist.
Disclosure of Invention
Aiming at the problems that the nose bridge strip feeding and welding device in the prior art is complex, the feeding position precision is low, the efficiency is low, the nose bridge strip is easy to slide after feeding, pollution can be caused and the like, the invention designs a mask nose bridge strip welding production line and a production method thereof.
The specific technical scheme is as follows:
the utility model provides a gauze mask bridge of nose strip welding production line, includes from the front to back fixed mounting send silk roller, godet roller, bridge of the nose strip pay-off subassembly, fixed tongs subassembly, disconnected silk subassembly, ultrasonic welding subassembly and wire drawing tongs subassembly in the frame, bridge of the nose strip pay-off subassembly includes bridge of the nose strip chute feeder, slope pay-off board and pushes away the silk subassembly with long filament pushing away in bridge of the nose strip arc recess, slope pay-off board upper end fixed mounting be in bridge of the nose strip chute feeder exit, slope pay-off board lower extreme is formed with the arc mounting panel, it installs to push away silk subassembly fixed mounting arc mounting panel corresponds position department.
Furthermore, the upper surface of the arc-shaped mounting plate is a concave arc-shaped groove, and the lowest end of the arc-shaped mounting plate is provided with a nose bridge strip baffle.
Furthermore, a buckle groove used for clamping one side of the nose bridge strip is formed on one side, close to the arc-shaped mounting plate, of the nose bridge strip baffle.
Further, the nose bridge feeding groove comprises a feeding groove body and an inclined groove plate arranged in the feeding groove body, the inclined groove plate inclines downwards towards the outlet direction of the nose bridge feeding groove, a feeding plate for feeding the feeding groove body to the inclined feeding plate is formed at the outlet of the nose bridge feeding groove, and a feeding plate control cylinder for controlling the feeding plate to move up and down is arranged on the lower surface of the feeding plate.
The wire pushing assembly comprises a wire pushing cylinder and a fixed pushing handle for pushing the long wires into the arc-shaped groove of the nose bridge strip, the wire pushing cylinder is fixedly mounted on the rack, the fixed pushing handle is fixedly mounted at the movable end of the wire pushing cylinder, and a through hole for the long wires to pass through is formed in the fixed pushing handle.
Further, the wire drawing gripper assembly comprises a wire drawing cylinder, a wire drawing rod and a first gripper assembly, and the wire drawing cylinder is fixedly installed on the rack; one end of the wire drawing rod is fixedly arranged at the movable end of the wire drawing cylinder, and the other end of the wire drawing rod is fixedly arranged with the first gripper assembly.
Furthermore, the first gripper assembly comprises a gripper cylinder, a gripper and two gripper fixing seats which are oppositely arranged up and down, the gripper cylinder is fixedly installed on the pull screw rod, one end of each gripper fixing seat is rotatably connected with the movable end of the gripper cylinder, and the gripper is fixedly installed on the inner side of each gripper fixing seat.
Further, the tongs fixing base is including being used for the installation the tongs installation department of tongs with be used for installing the mount pad connecting portion on the tongs cylinder expansion end, the tongs installation department with mount pad connecting portion tip links to each other and forms the contained angle, the tongs installation department with mount pad connecting portion contained angle department with tongs cylinder swivelling joint, the mount pad connecting portion are kept away from tongs installation department one end with tongs cylinder expansion end swivelling joint.
Further, the included angle formed by connecting the hand grip mounting part and the end part of the connecting part of the mounting seat is 70-100 degrees.
Further, a mounting beam is mounted right above the rack, the fixed gripper assembly is fixedly mounted below the mounting beam, the fixed gripper assembly comprises a fixed gripper cylinder, a fixed gripper rod and a second gripper assembly, and the fixed gripper cylinder is fixedly mounted on the rack; one end of the fixed gripper rod is fixedly arranged at the movable end of the fixed gripper cylinder, and the other end of the fixed gripper rod is fixedly provided with the second gripper assembly.
Further, the second gripper assembly structure is the same as the first gripper assembly structure.
Further, the wire breaking assembly comprises a wire breaking cylinder, a wire breaking cylinder fixing plate, a wire breaking scissors and a wire breaking scissors mounting frame, the wire breaking cylinder is fixedly mounted on the fixed gripper rod, a scissors push block used for pushing the wire breaking scissors to move up and down is formed at the movable end of the wire breaking cylinder, the scissors push block is used right above the wire breaking scissors, and a wire breaking scissors rotating shaft is mounted on the wire breaking scissors mounting frame.
Furthermore, 4 scissors stop levers vertical to the cutting surface of the wire cutting scissors are further installed on the wire cutting scissors installing frame, and the 4 scissors stop levers are respectively located at the upper position and the lower position of two knife backs of the wire cutting scissors.
Furthermore, a strip-shaped mounting opening used for mounting the scissors stop lever and enabling the scissors stop lever to be adjusted up and down is formed in the position, corresponding to each scissors stop lever, on the wire-breaking scissors mounting frame.
Further, the ultrasonic welding subassembly includes ultrasonic wave air cylinder, ultrasonic vibrator and ultrasonic bonding grinding apparatus down, ultrasonic wave air cylinder fixed mounting is in down on the installation roof beam, ultrasonic vibrator with ultrasonic bonding grinding apparatus fixed mounting is in ultrasonic wave air cylinder expansion end down.
Furthermore, a plurality of convex pressing blocks are uniformly distributed on the lower surface of the ultrasonic welding grinding tool.
The invention also provides a welding production method of the mask nose bridge strip, which comprises the following steps:
step one, after being drawn out from a yarn feeding roller, a filament enters a nose bridge strip feeding assembly through a yarn guide roller;
secondly, the nose bridge strip is arranged in a nose bridge strip feeding groove, under the pushing of a feeding plate control cylinder, the position of the arc-shaped mounting plate is reached through an inclined feeding plate, a section of arc-shaped groove is formed in the upper surface of the nose bridge strip, and the filament is pushed into the arc-shaped groove of the nose bridge strip by starting a filament pushing assembly;
step three, clamping one end of the filament by the filament drawing gripper assembly, then pulling the filament to the left, stopping moving after reaching a designated position on the left side of the mask cloth, positioning the nose bridge strip at a designated position between the upper mask cloth and the lower mask cloth, and clamping and fixing the filament by the fixed gripper assembly;
starting the ultrasonic welding assembly, and pressing the upper mask cloth, the nose bridge strip and the lower mask cloth downwards; simultaneously starting the step two;
and step five, cutting the filaments on the left side of the fixed gripper assembly by the filament cutting assembly, and simultaneously starting the step three.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the nose bridge strip is pulled and fixed by the filament, so that the nose bridge strip is still in a fixed state during welding, relative movement between the nose bridge strip and the lower mask cloth is prevented, and the product yield and the nose bridge strip feeding precision are improved; compared with an adhesive, the long filament is adopted for fixing, so that the pollution of the adhesive to the mask cloth before curing can be effectively prevented, and the mask cloth is safe and environment-friendly;
(2) the nose bridge line is generally fed in the same direction as the conveying direction of the mask cloth, and a horn mouth needs to be formed between two pieces of mask cloth, so that enough space is provided for accommodating line feeding equipment; the lateral feeding mode is adopted, feeding can be realized without a horn mouth, dependence of nose bridge strip feeding on upstream and downstream processes in mask production is greatly reduced, and occupation of space is reduced;
(3) the nose bridge strip is fed and welded at the same position, and the nose bridge strip can be welded after being fixed, so that the time from fixing to welding of the nose bridge strip is shortened, and the production process is shortened;
(4) the mode that the welding adopted ultrasonic wave grinding apparatus board to press compares in a roll-in production line can only use a compression roller, and this patent can set up multiunit board pressure equipment simultaneous working simultaneously around the gauze mask machine, has not only improved work efficiency, because of accomplishing same regional gauze mask cloth welding at the same time moreover, the welding effect is better more even.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a preferred mask nose bridge welding line of the present invention;
FIG. 2 is a schematic view of a preferred nose bridge feeding assembly of the present invention;
FIG. 3 is a schematic view of a feeding structure of a feeding plate according to the present invention;
FIG. 4 is a schematic diagram of a preferred filament installed in the arc-shaped groove of the nose bridge;
FIG. 5 is a schematic diagram of a preferred wire drawing gripper assembly of the present invention;
FIG. 6 is a schematic view of a first preferred gripper assembly of the present invention;
FIG. 7 is a schematic view of a preferred wire-breaking assembly of the present invention;
FIG. 8 is a layout of preferred ultrasonic bond abrasive compacts of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-4, the mask nose bridge welding production line includes a wire feeding roller 2, a wire guiding roller 3, a nose bridge feeding assembly 4, a fixed gripper assembly 5, a wire breaking assembly 6, an ultrasonic welding assembly 7 and a wire drawing gripper assembly 8 which are fixedly mounted on a frame 1 from front to back, the nose bridge feeding assembly 4 includes a nose bridge feeding groove 41, an inclined feeding plate 42 and a wire pushing assembly 43 for pushing a filament 11 into an arc-shaped groove 13 of a nose bridge 12, the upper end of the inclined feeding plate 42 is fixedly mounted at an outlet of the nose bridge feeding groove 41, an arc-shaped mounting plate 44 is formed at the lower end of the inclined feeding plate 42, and the wire pushing assembly 43 is fixedly mounted at a position corresponding to the arc-shaped mounting plate 44. The nose bridge strip is pulled and fixed by the filament, so that the nose bridge strip is still in a fixed state during welding, relative movement between the nose bridge strip and the lower mask cloth is prevented, and the product yield and the nose bridge strip feeding precision are improved; compared with an adhesive, the long filament is adopted for fixing, so that the pollution of the adhesive to the mask cloth before curing can be effectively prevented, and the mask cloth is safe and environment-friendly;
the upper surface of the arc mounting plate 44 is a concave arc groove, and the lowest end of the arc mounting plate is provided with a nose bridge baffle 45.
A clamping groove 46 for clamping one side of the nose bridge strip 12 is formed on one side of the nose bridge strip baffle 45 close to the arc-shaped mounting plate 44.
Referring to fig. 3, the nose bridge feeding groove 41 comprises a feeding groove body 411 and an inclined groove plate 412 arranged in the feeding groove body 411, the inclined groove plate 412 is inclined downwards towards the outlet 413 of the nose bridge feeding groove, a feeding plate 414 for feeding the feeding groove body to the inclined feeding plate 42 is formed at the outlet 413 of the nose bridge feeding groove, and a feeding plate control cylinder 415 for controlling the feeding plate 414 to move up and down is arranged on the lower surface of the feeding plate 414.
Referring to fig. 4, the wire pushing assembly 43 includes a wire pushing cylinder 431 and a fixed pushing handle 432 for pushing the filament 11 into the arc-shaped groove 13 of the nose bridge strip 12, the wire pushing cylinder 431 is fixedly mounted on the frame 1, the fixed pushing handle 432 is fixedly mounted at the movable end of the wire pushing cylinder 431, a through hole (not shown in the figure) for the filament to pass through is formed in the fixed pushing handle 432, and the wire pushing direction of the wire pushing cylinder 431 may be horizontal, may be the same as the inclination angle of the inlet of the arc-shaped groove 13, or may be slightly larger than the inclination angle of the inlet of the arc-shaped groove 13.
Referring to fig. 1 and 5, the wire drawing gripper assembly 8 comprises a wire drawing cylinder 81, a wire drawing rod 82 and a first gripper assembly 83, wherein the wire drawing cylinder 81 is fixedly mounted on the frame 1; one end of the wire drawing rod 82 is fixedly arranged at the movable end of the wire drawing cylinder 81, and the other end of the wire drawing rod is fixedly arranged with the first gripper assembly 83.
Referring to fig. 6, the first gripper assembly 83 includes a gripper cylinder 831, a gripper 832 and two gripper fixing seats 833 arranged oppositely up and down, the gripper cylinder 831 is fixedly installed on the pull screw 82, one end of each of the two gripper fixing seats 833 is rotatably connected to the movable end of the gripper cylinder 831, and the gripper 832 is fixedly installed on the inner side of the gripper fixing seat 833.
Tongs fixing base 833 is including being used for the installation tongs installing part 834 of tongs 832 and being used for installing mount pad connecting portion 835 on tongs cylinder 831 expansion end, tongs installing part 834 with mount pad connecting portion 835 tip links to each other and forms the contained angle, tongs installing part 834 with mount pad connecting portion 835 contained angle department with tongs cylinder 831 swivelling joint, mount pad connecting portion 835 is kept away from tongs installing part 834 one end with tongs cylinder 831 expansion end swivelling joint.
The included angle formed by the connection of the gripper mounting part 834 and the end part of the mounting seat connecting part 835 is 70-100 degrees.
Referring to fig. 1, a mounting beam 14 is mounted right above a frame 1, the fixed gripper assembly 5 is fixedly mounted below the mounting beam 14, the fixed gripper assembly 5 comprises a fixed gripper cylinder 51, a fixed gripper rod 52 and a second gripper assembly 53, and the fixed gripper cylinder 51 is fixedly mounted on the frame 1; one end of the fixed gripper rod 52 is fixedly arranged at the movable end of the fixed gripper cylinder 51, and the other end of the fixed gripper rod is fixedly provided with the second gripper assembly 53.
The second hand grip assemblies 53 are identical in construction to the first hand grip assemblies 83.
Referring to fig. 7, the wire breaking assembly 6 includes a wire breaking cylinder 61, a wire breaking cylinder fixing plate 62, a wire breaking scissors 63 and a wire breaking scissors mounting frame 64, the wire breaking cylinder 61 is fixedly mounted on the fixed gripper rod 52, a scissors push block 65 for pushing the wire breaking scissors 63 to move up and down is formed at the movable end of the wire breaking cylinder 61, the scissors push block 65 is used right above the wire breaking scissors 63, and the rotating shaft of the wire breaking scissors 63 is mounted on the wire breaking scissors mounting frame 64.
The wire cutting scissors mounting frame 64 is further provided with 4 scissors stop levers 66 perpendicular to the cutting surface of the wire cutting scissors 63, and the 4 scissors stop levers 66 are respectively positioned at the upper position and the lower position of two knife backs of the wire cutting scissors 63.
Strip-shaped mounting openings 67 used for mounting the scissors blocking rods 66 and enabling the scissors blocking rods 66 to be adjusted up and down are formed in the positions, corresponding to the scissors blocking rods 66, of the wire breaking scissors mounting frame 64.
Referring to fig. 1, the ultrasonic welding assembly 7 includes an ultrasonic down-pressure cylinder 71, an ultrasonic vibrator 72, and an ultrasonic welding grinder 73, wherein the ultrasonic down-pressure cylinder 71 is fixedly mounted on the mounting beam 14, and the ultrasonic vibrator 72 and the ultrasonic welding grinder 73 are fixedly mounted at a movable end of the ultrasonic down-pressure cylinder 71.
Referring to fig. 8, a plurality of convex pressing blocks 74 are uniformly distributed on the lower surface of the ultrasonic welding grinding tool 73.
In order to further position the position of the nose bridge strip on the filament, a node can be arranged on the filament to prevent the nose bridge strip from sliding back and forth. The nose bridge strip feeding and welding device is placed at the same position, the nose bridge strip can be welded after being fixed, the time from fixing to welding of the nose bridge strip is shortened, and the production process is shortened. The mode that the welding adopted ultrasonic wave grinding apparatus board to press compares in a roll-in production line can only use a compression roller, and this patent can set up multiunit board pressure equipment simultaneous working simultaneously around the gauze mask machine, has not only improved work efficiency, because of accomplishing same regional gauze mask cloth welding at the same time moreover, the welding effect is better more even.
In addition, when pushing down, can also set up automatic fine setting subassembly on ultrasonic welding subassembly 7, automatic fine setting subassembly is including the position sensor who is used for monitoring bridge of the nose strip position and the grinding apparatus position control subassembly that is used for controlling the ultrasonic welding grinding apparatus to carry out the fine setting, according to the actual position of bridge of the nose strip, carries out fine adjustment to the ultrasonic welding grinding apparatus.
Of course, a monitoring device can be arranged on one side of the nose bridge strip, which enters the inlet cover cloth, so that the nose bridge strip entering the inlet cover cloth is monitored and matched with the ultrasonic welding assembly to complete welding.
The embodiment also provides a welding production method of the mask nose bridge strip, which comprises the following steps:
step one, after being drawn out from a yarn feeding roller, a filament enters a nose bridge strip feeding assembly through a yarn guide roller;
secondly, the nose bridge strip is arranged in a nose bridge strip feeding groove, under the pushing of a feeding plate control cylinder, the position of the arc-shaped mounting plate is reached through an inclined feeding plate, a section of arc-shaped groove is formed in the upper surface of the nose bridge strip, and the filament is pushed into the arc-shaped groove of the nose bridge strip by starting a filament pushing assembly;
step three, clamping one end of the filament by the wire drawing gripper assembly, then pulling the filament to the left, stopping moving after reaching a specified position on the left side of the mask cloth, positioning the nose bridge strip at a specified position between the upper mask cloth 15 and the lower mask cloth 16, and clamping and fixing the filament by the fixed gripper assembly;
step four, starting the ultrasonic welding assembly, and pressing the upper mask cloth 15, the nose bridge strip and the lower mask cloth 16 downwards; simultaneously starting the step two;
and step five, cutting the filaments on the left side of the fixed gripper assembly by the filament cutting assembly, and simultaneously starting the step three.
The nose bridge line is generally fed in the same direction as the conveying direction of the mask cloth, and a horn mouth needs to be formed between two pieces of mask cloth, so that enough space is provided for accommodating line feeding equipment; this patent adopts the mode of side direction feeding, does not need the horn mouth can realize the pay-off, greatly reduced bridge of the nose strip pay-off to the dependence of gauze mask production upper and lower reaches process, reduced the occupation to the space.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A welding production line for a nose bridge strip of a mask is characterized by comprising a wire feeding roller, a wire guiding roller, a nose bridge strip feeding assembly, a fixed gripper assembly, a wire breaking assembly, an ultrasonic welding assembly and a wire drawing gripper assembly which are fixedly arranged on a rack from front to back;
the nose bridge strip feeding assembly comprises a nose bridge strip feeding groove, an inclined feeding plate and a wire pushing assembly for pushing the filaments into the arc-shaped groove of the nose bridge strip; the upper end of the inclined feeding plate is fixedly arranged at the outlet of the nose bridge strip feeding groove, an arc-shaped mounting plate is formed at the lower end of the inclined feeding plate, and the wire pushing assembly is fixedly arranged at the corresponding position of the arc-shaped mounting plate;
the upper surface of the arc-shaped mounting plate is a concave arc-shaped groove, the lowest end of the arc-shaped mounting plate is provided with a nose bridge strip baffle, and a clamping groove for clamping one side of a nose bridge strip is formed at one side of the nose bridge strip baffle, which is close to the arc-shaped mounting plate; the wire pushing assembly comprises a wire pushing cylinder and a fixed pushing handle for pushing a filament into the arc-shaped groove of the nose bridge strip, the wire pushing cylinder is fixedly arranged on the rack, the fixed pushing handle is fixedly arranged at the movable end of the wire pushing cylinder, and a through hole for the filament to pass through is formed in the fixed pushing handle;
the wire breaking assembly comprises a wire breaking cylinder, a wire breaking cylinder fixing plate, a wire breaking scissors and a wire breaking scissors mounting rack, the wire breaking cylinder is fixedly mounted on the fixed gripper rod, a scissors push block used for pushing the wire breaking scissors to move up and down is formed at the movable end of the wire breaking cylinder, the scissors push block is used right above the wire breaking scissors, and a wire breaking scissors rotating shaft is mounted on the wire breaking scissors mounting rack.
2. The mask nose bridge bar welding production line according to claim 1, wherein the nose bridge bar feeding groove comprises a feeding groove body and an inclined groove plate arranged in the feeding groove body, the inclined groove plate is inclined downwards towards the outlet direction of the nose bridge bar feeding groove, a feeding plate for feeding the nose bridge bar to the inclined feeding plate is formed at the outlet of the nose bridge bar feeding groove, and a feeding plate control cylinder for controlling the feeding plate to move up and down is arranged on the lower surface of the feeding plate.
3. The mask nose bridge bar welding production line of claim 2, wherein the wire drawing gripper assembly comprises a wire drawing cylinder, a wire drawing rod and a first gripper assembly, the wire drawing cylinder is fixedly mounted on the frame; one end of the wire drawing rod is fixedly arranged at the movable end of the wire drawing cylinder, and the other end of the wire drawing rod is fixedly arranged with the first gripper assembly.
4. The mask nose bridge bar welding production line according to claim 3, wherein the first gripper assembly comprises a gripper cylinder, a gripper and two gripper fixing seats which are oppositely arranged up and down, the gripper cylinder is fixedly installed on the tension rod, one end of each of the two gripper fixing seats is rotatably connected with the movable end of the gripper cylinder, and the gripper is fixedly installed on the inner side of each of the gripper fixing seats.
5. The mask nose bridge strip welding production line of claim 4, wherein the hand grip fixing seat comprises a hand grip mounting portion for mounting the hand grip and a mounting seat connecting portion for mounting on the movable end of the hand grip cylinder, the end portions of the hand grip mounting portion and the mounting seat connecting portion are connected to form an included angle, the included angle between the hand grip mounting portion and the mounting seat connecting portion is rotatably connected with the hand grip cylinder, and one end, away from the hand grip mounting portion, of the mounting seat connecting portion is rotatably connected with the movable end of the hand grip cylinder.
6. The mask nose bridge bar welding line of claim 5, wherein an included angle formed by the connection of the finger grip mounting portion and the mounting seat connecting portion end is 70 ° to 100 °.
7. The mask nose bridge bar welding production line of claim 6, wherein a mounting beam is mounted directly above the frame, the fixed gripper assembly is fixedly mounted below the mounting beam, the fixed gripper assembly comprises a fixed gripper cylinder, a fixed gripper rod and a second gripper assembly, and the fixed gripper cylinder is fixedly mounted on the frame; one end of the fixed gripper rod is fixedly arranged at the movable end of the fixed gripper cylinder, and the other end of the fixed gripper rod is fixedly provided with the second gripper assembly.
8. The mask nose bridge bar welding line of claim 7, wherein said second hand grip assembly structure is identical to said first hand grip assembly structure.
9. The mask bridge of the nose strip welding production line of claim 8, wherein 4 scissors stop levers perpendicular to the cutting surface of the wire cutter are further mounted on the wire cutter mounting frame, and the 4 scissors stop levers are respectively located at upper and lower positions of two blade backs of the wire cutter.
10. The mask bridge of the nose strip welding production line of claim 9, wherein a strip-shaped mounting opening for mounting the scissors stop lever and enabling the scissors stop lever to be adjusted up and down is formed on the wire-cutting scissors mounting frame at a position corresponding to each scissors stop lever.
11. The welding line of a nose bridge bar of a respirator as set forth in claim 10, wherein the ultrasonic welding assembly comprises an ultrasonic down-pressure cylinder fixedly mounted to the mounting beam, an ultrasonic vibrator and an ultrasonic welding grinder fixedly mounted to a free end of the ultrasonic down-pressure cylinder.
12. The welding line of a nose bridge piece of a mask as claimed in claim 11, wherein a plurality of convex pressing blocks are uniformly distributed on the lower surface of the ultrasonic welding grinding tool.
13. A mask nose bridge welding production method based on the mask nose bridge welding production line of any one of claims 1 to 12, comprising the steps of:
step one, after being drawn out from a yarn feeding roller, a filament enters a nose bridge strip feeding assembly through a yarn guide roller;
secondly, the nose bridge strip is arranged in a nose bridge strip feeding groove, under the pushing of a feeding plate control cylinder, the position of the arc-shaped mounting plate is reached through an inclined feeding plate, a section of arc-shaped groove is formed in the upper surface of the nose bridge strip, and the filament is pushed into the arc-shaped groove of the nose bridge strip by starting a filament pushing assembly;
step three, clamping one end of the filament by the filament drawing gripper assembly, then pulling the filament to the left, stopping moving after reaching a designated position on the left side of the mask cloth, positioning the nose bridge strip at a designated position between the upper mask cloth and the lower mask cloth, and clamping and fixing the filament by the fixed gripper assembly;
starting the ultrasonic welding assembly, and pressing the upper mask cloth, the nose bridge strip and the lower mask cloth downwards; simultaneously starting the step two;
and step five, cutting the filaments on the left side of the fixed gripper assembly by the filament cutting assembly, and simultaneously starting the step three.
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| CN112315085B (en) * | 2020-10-23 | 2021-08-31 | 重庆市宏冠医疗设备有限公司 | Automatic mask production line |
| CN112890339B (en) * | 2021-01-19 | 2022-12-16 | 江西源生狼和药业有限公司 | Nose bridge strip cutting device of mask machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209273991U (en) * | 2018-11-26 | 2019-08-20 | 东莞市利瀚机械有限公司 | Ultrasonic wave cup type mask bonding machine |
| CN210334520U (en) * | 2019-08-12 | 2020-04-17 | 苏州世康防护用品有限公司 | Nose strip feeding and positioning device for producing protective mask |
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| US20080251210A1 (en) * | 2007-04-16 | 2008-10-16 | Hung-Ho Chen | Automatic nose strip bonding apparatus for face mask |
| CN106272615A (en) * | 2016-08-16 | 2017-01-04 | 湖南国盛石墨科技有限公司 | A kind of Graphene mask nose bridge bar compresses cutter sweep |
| CN206392759U (en) * | 2016-12-14 | 2017-08-11 | 珠海市信豪工艺有限公司 | A kind of wire aligning cutting-off device |
| CN108433215A (en) * | 2018-04-28 | 2018-08-24 | 汕头市泰恩康医用器材厂有限公司 | A kind of full-automatic mask production line |
| CN110847552A (en) * | 2019-11-01 | 2020-02-28 | 湖州摩森木业有限公司 | Wood carpet embedded with metal strips and process thereof |
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