CN111361169A - Mask nose bridge strip feeding assembly and welding production line adopting same - Google Patents
Mask nose bridge strip feeding assembly and welding production line adopting same Download PDFInfo
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- CN111361169A CN111361169A CN202010343172.4A CN202010343172A CN111361169A CN 111361169 A CN111361169 A CN 111361169A CN 202010343172 A CN202010343172 A CN 202010343172A CN 111361169 A CN111361169 A CN 111361169A
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- Prior art keywords
- nose bridge
- feeding
- groove
- arc
- bridge strip
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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
- 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
- B29C65/7841—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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- 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 feeding assembly and a welding production line adopting the same, and belongs to the field of machinery. The invention has the beneficial effects that: the nose bridge strip is fixed on the filament yarn, and then feeding and welding are carried out, so that the nose bridge strip is still in a fixed state during welding, and the relative movement between the nose bridge strip and the mask cloth is not needed to be worried about. Here the nose bridge strip is fixed on the filament and is provided with the arc-shaped groove, and the filament is pushed into the arc-shaped groove by the filament pushing assembly, so that the nose bridge strip is driven by the filament to enter the middle of the mask cloth, and the purpose of fixing the nose bridge strip during welding is achieved.
Description
Technical Field
The invention relates to the field of machinery, in particular to a mask nose bridge strip feeding assembly and a welding production line adopting the feeding assembly.
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 line and the welding device in the prior art are 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 nose bridge strip feeding assembly and the welding production line adopting the nose bridge strip feeding assembly are designed, the long filaments are adopted to pull and fix the nose bridge strip and weld the nose bridge strip simultaneously, so that the nose bridge strip is still in a fixed state during welding, the relative movement between the nose bridge strip and mask cloth is not needed to be worried about, and the long filaments are adopted to fix the nose bridge strip and the mask cloth, so that the pollution problem is avoided, and the requirement on the use space between the upper mask cloth and the lower mask cloth is reduced by lateral. The specific technical scheme is as follows:
a mask nose bridge feeding assembly comprises a nose bridge feeding groove, an inclined feeding plate and a wire pushing assembly for pushing a filament into an arc-shaped groove of the nose bridge, wherein the upper end of the inclined feeding plate is fixedly installed at the outlet of the nose bridge 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 installed at the corresponding position of the arc-shaped mounting plate.
The nose bridge strip is fixed on the filament yarn, and then feeding and welding are carried out, so that the nose bridge strip is still in a fixed state during welding, and the relative movement between the nose bridge strip and the mask cloth is not needed to be worried about. Here the nose bridge strip is fixed on the filament and is provided with the arc-shaped groove, and the filament is pushed into the arc-shaped groove by the filament pushing assembly, so that the nose bridge strip is driven by the filament to enter the middle of the mask cloth, and the purpose of fixing the nose bridge strip during welding is achieved.
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. Set up the buckle groove, realize fixed to the short time of bridge of the nose strip for long filament when pushing away the arc recess, the bridge of the nose strip can not receive the frictional force of long filament and appear sliding, reaches the purpose of pushing away the arc recess smoothly with long filament.
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.
Furthermore, a groove opening for the filament to be pushed into the arc-shaped groove by the filament pushing assembly is formed in the upper surface of the nose bridge strip by the arc-shaped groove of the nose bridge strip, the length direction of the groove opening is the same as that of the nose bridge strip, and the width of the arc-shaped groove from the groove opening to the bottom of the arc-shaped groove is equal.
Furthermore, the arc-shaped grooves form through holes for filaments to pass through at two ends of the nose bridge strip, the cross section of each arc-shaped groove is in a concave arc shape, and the bottom position of each arc-shaped groove is located right above the gravity center position of the nose bridge strip. The arc-shaped groove is arranged right above the gravity center of the nose bridge strip, so that the swinging of the nose bridge strip at the filament welding preparation position is reduced.
Further, the filament has a flat cross section, and the thickness of the filament is smaller than the width of the opening of the groove. The filament section is set to be flat, so that the contact area between the filament and the nose bridge strip can be increased, and the combination stability of the filament and the nose bridge strip is improved.
The invention also provides a mask nose bridge strip welding production line which comprises the feeding assembly.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the nose bridge strip is fixed on the filament yarn, and then feeding and welding are carried out, so that the nose bridge strip is still in a fixed state during welding, and the relative movement between the nose bridge strip and the mask cloth is not needed to be worried about. Here the nose bridge strip is fixed on the filament and is provided with the arc-shaped groove, and the filament is pushed into the arc-shaped groove by the filament pushing assembly, so that the nose bridge strip is driven by the filament to enter the middle of the mask cloth, and the purpose of fixing the nose bridge strip during welding is achieved.
(2) Set up the buckle groove, realize fixed to the short time of bridge of the nose strip for long filament when pushing away the arc recess, the bridge of the nose strip can not receive the frictional force of long filament and appear sliding, reaches the purpose of pushing away the arc recess smoothly with long filament.
(3) The filament section is set to be flat, so that the contact area between the filament and the nose bridge strip can be increased, and the combination stability of the filament and the nose bridge strip is improved.
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; and compared with the adhesive, the long filament fixing method can effectively prevent the adhesive from polluting the mask cloth before curing, and is safe and environment-friendly.
As a preferred embodiment, the arc-shaped groove of the nose bridge strip is provided with a groove opening on the upper surface of the nose bridge strip, the groove opening is used for the wire pushing assembly to push the filament into the arc-shaped groove, the length direction of the groove opening is the same as the length direction of the nose bridge strip, and the width of the arc-shaped groove from the groove opening to the bottom of the arc-shaped groove is the same.
As a preferred embodiment, the arc-shaped grooves form through holes for filaments to pass through at both ends of the nose bridge strip, the cross section of each arc-shaped groove is in a concave arc shape, and the bottom position of each arc-shaped groove is positioned right above the gravity center position of the nose bridge strip. The arc-shaped groove is arranged right above the gravity center of the nose bridge strip, so that the swinging of the nose bridge strip at the filament welding preparation position is reduced.
In a preferred embodiment, the filaments are flat in cross-section and have a thickness less than the width of the groove opening. The filament section is set to be flat, so that the contact area between the filament and the nose bridge strip can be increased, and the combination stability of the filament and the nose bridge strip is improved.
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 (9)
1. The mask nose bridge strip feeding assembly is characterized by comprising 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, wherein the upper end of the inclined feeding plate is fixedly installed 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 installed at the corresponding position of the arc-shaped mounting plate.
2. The mask nose bridge strip feeding assembly according to claim 1, wherein the upper surface of the arc mounting plate is a concave arc groove, and a nose bridge strip baffle is arranged at the lowest end of the arc mounting plate.
3. The mask nose bridge strip feeding assembly according to claim 2, wherein a side of the nose bridge strip baffle close to the arc-shaped mounting plate is formed with a clamping groove for clamping one side of the nose bridge strip.
4. The mask nose bridge feeding assembly according to claim 3, wherein 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 is inclined downwards towards the outlet direction of the nose bridge feeding groove, a feeding plate for feeding the feeding groove body onto 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.
5. The mask nose bridge feeding assembly according to claim 4, wherein 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, the wire pushing cylinder is fixedly mounted on the frame, the fixed pushing handle is fixedly mounted at a movable end of the wire pushing cylinder, and a through hole for the filament to pass through is formed in the fixed pushing handle.
6. The mask nose bridge feeding assembly according to claim 5, wherein the nose bridge curved groove is formed with a groove opening on the upper surface of the nose bridge for the filament pushing assembly to push the filament into the curved groove, the length direction of the groove opening is the same as the length direction of the nose bridge, and the width of the curved groove from the groove opening to the bottom of the curved groove is the same.
7. The mask nose bridge feeding assembly according to claim 6, wherein the arc-shaped grooves form through holes for filaments to pass through at two ends of the nose bridge, the cross section of each arc-shaped groove is in a concave arc shape, and the bottom of each arc-shaped groove is positioned right above the center of gravity of the nose bridge.
8. The nasal bridge strip feed assembly of claim 7, wherein the filament is flat in cross-section and has a thickness less than the width of the opening of the recess.
9. A mask nose bridge bar welding line comprising the feed assembly of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343172.4A CN111361169B (en) | 2020-04-27 | 2020-04-27 | Mask nose bridge strip feeding assembly and welding production line adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343172.4A CN111361169B (en) | 2020-04-27 | 2020-04-27 | Mask nose bridge strip feeding assembly and welding production line adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111361169A true CN111361169A (en) | 2020-07-03 |
| CN111361169B CN111361169B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010343172.4A Active CN111361169B (en) | 2020-04-27 | 2020-04-27 | Mask nose bridge strip feeding assembly and welding production line adopting same |
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| CN (1) | CN111361169B (en) |
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| CN212499041U (en) * | 2020-04-27 | 2021-02-09 | 龙海市安得马富机械有限公司 | Mask nose bridge strip feeding assembly and welding production line adopting same |
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| CN111361169B (en) | 2021-11-02 |
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