CN111907066B - High-speed welding equipment and method for ear-band triangular preformed planar mask - Google Patents
High-speed welding equipment and method for ear-band triangular preformed planar mask Download PDFInfo
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- CN111907066B CN111907066B CN202010679932.9A CN202010679932A CN111907066B CN 111907066 B CN111907066 B CN 111907066B CN 202010679932 A CN202010679932 A CN 202010679932A CN 111907066 B CN111907066 B CN 111907066B
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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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- 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
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
- A41H43/0235—Feeding or advancing
- A41H43/0242—Conveyors therefor
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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
- B29C65/74—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
- B29C65/7858—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
- B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a high-speed welding device and a high-speed welding method for a planar mask with a preformed ear belt triangle, wherein the device comprises a rack, a mask conveying device, an ear belt triangle preforming device, an ear belt welding device, an edge cutting device and a discharging device, and the ear belt conveying device comprises a bottom hook belt, a top hook belt and a conveying driving mechanism; the bottom hook belt is positioned in the middle of the top hook belts on the two sides; the top hook belt is provided with a plurality of groups of first positioning hooks, the bottom hook belt is provided with a plurality of groups of second positioning hooks, and each second positioning hook is positioned in the middle of two corresponding first positioning hooks; the ear belt triangle preforming device conveys the ear belt between the two first positioning hooks to the second positioning hooks corresponding to the two first positioning hooks, so that the ear belt is encircled into an isosceles triangle structure between the two first positioning hooks and the second positioning hooks corresponding to the two first positioning hooks. The high-speed welding equipment for the plane mask can reduce the ear strap feeding time and improve the ear strap welding speed and efficiency.
Description
Technical Field
The invention relates to a plane mask welding device, in particular to a high-speed welding device and method for a plane mask with preformed ear band triangles.
Background
The mask is a sanitary article, is generally worn at the mouth and nose part for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, is made of gauze or paper and the like, has a certain filtering effect on air entering the lung, and has a very good effect when the mask is worn in operation in an environment polluted by dust and the like when respiratory infectious diseases are prevalent.
The existing mask production adopts an automatic production process, so that the production speed of the mask can be improved. For example, the utility model patent with the publication number of CN209121339U discloses a "mask production line", the mask production line includes a workbench, and a nose bridge strip feeding device, a first sealing and cutting device, a folding device, a second sealing and cutting device, a turnover device, a limiting device and an ear band welding device which are installed on the workbench and are sequentially arranged along the moving direction of a face material strip. Through above-mentioned gauze mask production line to realize the automated production of gauze mask. In addition, the invention patent application with application publication number CN108433215A discloses a full-automatic mask production line, which comprises a frame, a mask cloth edge sealing device, a mask face folding device, a mask transverse sealing and cutting device and an ear band welding device, wherein the mask cloth edge sealing device, the mask face folding device, the mask transverse sealing and cutting device and the ear band welding device are sequentially installed on the frame from front to back, and automatic production of masks can be realized through the full-automatic mask production line.
However, the above-mentioned ear band welding methods of the fully automatic mask production line and the mask production line mostly adopt the cut mask body to be welded with the ear band prepared in advance, the mask body is an independent sheet body and is placed in the conveying tray for step-by-step conveying, and the ear band needs to be subjected to the steps of pre-stretching to a fixed length, rotating, cutting and the like, so that the feeding process of the ear band is complicated, thereby causing the overlong preparation time of the ear band, and meanwhile, the problems of floating of the mask sheet body and the like are easily caused when the mask sheet body is conveyed at an excessively high speed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the high-speed welding equipment for the planar mask with the preformed ear belt triangle, and the high-speed welding equipment for the planar mask can reduce the ear belt feeding time, so that the ear belt welding speed and efficiency are improved, and the productivity is greatly improved. In addition, the high-speed welding equipment for the plane mask can also prevent the mask with finished edge cutting from floating due to too high conveying speed in the conveying process.
The second purpose of the invention is to provide a high-speed welding method for a plane mask with a preformed ear triangle.
The technical scheme for solving the technical problems is as follows:
a high-speed welding device for a plane mask with a preformed ear belt triangle comprises a rack, a mask conveying device, an ear belt triangle preforming device, an ear belt welding device, an edge cutting device and a discharging device, wherein the mask conveying device is arranged on the rack and used for conveying mask body cloth;
the ear belt conveying device comprises a bottom hook belt, a top hook belt and a conveying driving mechanism for driving the bottom hook belt and the top hook belt to move, wherein,
the top hook belts are positioned at two sides of the mask conveying device, and the bottom hook belts are positioned in the middle of the top hook belts at two sides; the bottom hook belt and the top hook belt are vertically encircled on the rack and respectively comprise a horizontal conveying section arranged at the upper end of the rack and an encircling section positioned at the lower end of the horizontal conveying section, wherein the horizontal conveying section of the top hook belt extends from the ear belt triangular preforming device to the discharging device; the horizontal conveying section of the bottom hook belt extends from the ear belt triangle preforming device to a position between the ear belt welding device and the edge cutting device and is surrounded downwards by the ear belt welding device and the edge cutting device;
a plurality of groups of first positioning hooks are arranged on the top hook belt and are arranged along the extension direction of the top hook belt and correspond to the first positioning hooks one by one; each group of positioning hooks is two, and the two first positioning hooks are arranged along the extending direction of the top hook belt; the bottom hook belt is provided with a plurality of groups of second positioning hooks which are arranged at equal intervals along the extension direction of the bottom hook belt, each group of two second positioning hooks are symmetrical relative to the width direction of the bottom hook belt and are in one-to-one correspondence with the first positioning hooks on two sides of the bottom hook belt, and each second positioning hook is positioned in the middle of two corresponding first positioning hooks; the ear belt is positioned at the first positioning hooks of the top hook belts at the two sides;
the ear belt triangle preforming device is used for conveying the ear belt between two first positioning hooks in each group of first positioning hooks to a second positioning hook corresponding to the first positioning hooks in the bottom hook belt, and the ear belt forms an isosceles triangle structure between two adjacent first positioning hooks in the top hook belt and the second positioning hooks corresponding to the first positioning hooks in the bottom hook belt; ear area triangle preforming device is two sets of, sets up respectively gauze mask conveyor's both sides, and every ear area triangle preforming device of group includes the ear area hook and is used for the drive the ear area hook motion is in order to realize transporting the ear area between two adjacent first location hooks the ear area transport mechanism on the second location hook that corresponds with it in the end hook belt.
A high-speed welding method for a plane mask with preformed ear triangle comprises the following steps:
(1) the mask conveying device drives the mask body cloth to move, and meanwhile, the ear belt conveying device drives the ear belts to convey along the conveying direction of the mask body cloth; the mask body cloth is positioned above the ear belts;
(2) before the mask body cloth reaches an ear band welding station of the ear band welding device, the ear band triangle preforming device continuously conveys the ear band between two first positioning hooks in the same group of first positioning hooks of the top hook belt to a second positioning hook corresponding to the ear band in the bottom hook belt, so that the ear band forms a triangular structure between the two first positioning hooks and the second positioning hooks; meanwhile, the ear belt conveying device drives the ear belt in a triangular structure to convey to an ear belt welding station;
(3) when the ear belt and the mask body cloth move to the ear belt welding station, the ear belt welding device welds the ear belt and the mask body cloth in the triangular structure, so that the end point of the ear belt in the triangular structure, which is located at the second positioning hook, is welded with the mask body cloth; then, the mask body cloth and the welded ear bands continue to move into the edge cutting device;
(4) when the ear belt is arranged between the ear belt welding device and the edge cutting device, the bottom hook belt is wound downwards, and the second positioning hook in the bottom hook belt moves downwards and is separated from the ear belt with the triangular structure; the top hook belt continuously conveys the welded mask body cloth and the ear belt to the edge cutting device;
(5) when the mask body cloth and the ear belts move to the edge cutting device, the edge cutting device cuts the mask body cloth along the width direction of the mask body cloth, the cutting positions are welding point positions of two corresponding triangular ear belts on two sides of the mask body cloth, so that the triangular ear belts are divided into two parts, one part of the triangular ear belts becomes the ear belt of the previous mask, and the other part of the triangular ear belts becomes the ear belt of the next mask;
(6) the top hook belt continuously drives the mask which is subjected to the edge cutting process to move into the discharging device, and the discharging device separates the mask from the first positioning hook of the top hook belt and sends the mask to the collecting device.
Compared with the prior art, the invention has the following beneficial effects:
1. the high-speed welding equipment for the plane mask with the preformed ear belt triangle, disclosed by the invention, has the advantages that the ear belt is encircled into the triangular structure in a pre-forming mode of the ear belt and is synchronously conveyed with the mask body cloth, so that the ear belt feeding time is effectively reduced (namely, the time spent on the actions of fixing the length, rotating, cutting and the like of the ear belt is effectively reduced), the ear belt welding time is shortened, and the production speed and the production efficiency of the plane mask are greatly improved.
2. The high-speed welding equipment for the ear belt triangle preformed plane mask is convenient to be connected with a traditional mask body machine in series, low in integration difficulty with a mask sheet making machine, adaptable to production of adult masks and child masks through structure and program adjustment, and high in adaptability to products.
3. The high-speed welding equipment for the flat mask with the preformed ear band triangles is provided with the two sets of ear band triangle preforming devices, so that ear bands on two sides of the mask body cloth are encircled into a triangle structure, the ear bands on two sides of the mask body cloth are welded simultaneously through the ear band welding devices, and finally the ear bands and the mask body cloth are cut off simultaneously through the edge cutting devices, so that the production speed of the flat mask equipment can be increased by 20% -30%.
4. Because the trimming device in the high-speed welding equipment for the plane mask with the triangular preformed ear bands cuts the mask body cloth along the width direction of the mask body cloth, the cutting positions are the welding point positions of two corresponding triangular ear bands on two sides of the mask body cloth, so that the triangular ear bands are divided into two parts, one part of the triangular ear bands becomes the ear band of the previous mask, and the other part of the triangular ear bands becomes the ear band of the next mask; compared with the traditional mask welding mode, the welding action of the ear band welding device in the high-speed welding equipment for the plane mask with the ear band triangle preformed structure is reduced, so that the welding speed of the ear band is improved, and the production efficiency of the mask is further improved.
5. According to the high-speed welding equipment for the flat mask with the ear belt triangle preformed, the bottom hook belt is arranged between the ear belt welding device and the edge cutting device in a downward surrounding mode, the top hook belt continuously conveys mask body cloth and the welded ear belt to the subsequent edge cutting device and the subsequent discharging device, and the top hook belt serves as a mask conveying device, so that synchronous conveying of the mask body cloth and the ear belt is achieved. Because end hook belt encircles downwards for second location hook in the end hook belt is downwards with the ear area separation of triangle-shaped structure, so that the edge cutting device just can cut off gauze mask body cloth and ear area, thereby makes the gauze mask. The structure does not need any auxiliary tool, and only needs to control the underwater conveying stroke of the horizontal conveying section of the bottom hook belt, so that the volume and the manufacturing cost of the high-speed welding equipment for the flat mask with the ear belt triangle preformed are reduced.
6. After the trimming device cuts off gauze mask body cloth and ear area, because the ear area of every gauze mask both sides all twines in the first location hook of top hook belt, consequently can prevent that the gauze mask from waving at transportation process.
Drawings
Fig. 1 to 3 are schematic structural views of a high-speed welding apparatus for a flat mask with a triangular pre-formed ear band according to the present invention, wherein fig. 1 is a schematic perspective view, and fig. 2 is a front view. Fig. 3 is a plan view.
Fig. 4 is a schematic perspective view of the ear band conveying device and the ear band triangle preforming device.
Fig. 5 is a partial schematic view of a top and bottom hook strap.
Fig. 6 is a schematic diagram of the operation of the ear band triangle preforming device to wind the ear band into a triangular configuration.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1-6, the high-speed welding equipment for the flat mask with the ear band triangle preformed comprises a frame 1, a mask conveying device arranged on the frame 1 and used for conveying mask body cloth, an ear band conveying device 2 used for conveying an ear band, an ear band triangle preformed device 3 used for poking the ear band in the ear band conveying device 2 into a triangle structure, an ear band welding device 4 used for welding the ear band with the triangle structure to the mask body cloth, an edge cutting device 5 used for cutting the mask body cloth and the ear band with the triangle structure, and a discharging device 6 used for sending out the edge-cut mask, wherein the ear band triangle preformed device 3, the ear band welding device 4, the edge cutting device 5 and the discharging device 6 are sequentially arranged along the conveying direction of the mask body cloth;
the ear belt conveying device 2 comprises a bottom hook belt 2-1, a top hook belt 2-2 and a conveying driving mechanism 2-3 for driving the bottom hook belt 2-1 and the top hook belt 2-2 to move, wherein,
the top hook belts 2-2 are positioned at two sides of the mask conveying device, and the bottom hook belts 2-1 are positioned in the middle of the top hook belts 2-2 at two sides; the bottom hook belt 2-1 and the top hook belt 2-2 are vertically encircled on the rack 1, and the bottom hook belt 2-1 and the top hook belt 2-2 respectively comprise a horizontal conveying section arranged at the upper end of the rack 1 and an encircling section positioned at the lower end of the horizontal conveying section, wherein the horizontal conveying section of the top hook belt 2-2 extends from the ear belt triangle preforming device 3 to the discharging device 6; the horizontal conveying section of the bottom hook belt 2-1 extends from the ear belt triangle preforming device 3 to a position between the ear belt welding device 4 and the edge cutting device 5 and is surrounded downwards at the ear belt welding device 4 and the edge cutting device 5;
a plurality of groups of first positioning hooks 2-21 are arranged on the top hook belt 2-2, and the plurality of groups of first positioning hooks 2-21 are arranged along the extension direction of the top hook belt 2-2 and are in one-to-one correspondence with the plurality of groups of first positioning hooks 2-21; each group of the positioning hooks is two, and the two first positioning hooks 2-21 are arranged along the extending direction of the top hook belt 2-2; the bottom hook belt 2-1 is provided with a plurality of groups of second positioning hooks 2-22, the plurality of groups of second positioning hooks 2-22 are arranged at equal intervals along the extension direction of the bottom hook belt 2-1, each group of second positioning hooks 2-22 is two, the two second positioning hooks 2-22 are symmetrical relative to the width direction of the bottom hook belt 2-1 and are in one-to-one correspondence with the first positioning hooks 2-21 on two sides of the bottom hook belt 2-1, and each second positioning hook 2-22 is positioned in the middle of the two first positioning hooks 2-21 corresponding to the second positioning hook 2-22; the ear belt is positioned at the first positioning hook of the top hook belt 2-2 at the two sides;
the ear belt triangle preforming device 3 is used for carrying the ear belt between two first positioning hooks 2-21 in each group of first positioning hooks 2-21 to the corresponding second positioning hooks 2-22 in the bottom hook belt 2-1, and the ear belt forms an isosceles triangle structure between two adjacent first positioning hooks 2-21 in the top hook belt 2-2 and the corresponding second positioning hooks 2-22 in the bottom hook belt 2-1; the ear belt triangle preforming devices 3 are two groups and are respectively arranged on two sides of the mask conveying device, each group of ear belt triangle preforming devices 3 comprise ear belt hooks 3-1 and ear belt carrying mechanisms used for driving the ear belt hooks 3-1 to move so as to carry ear belts between two adjacent first positioning hooks 2-21 to second positioning hooks 2-22 corresponding to the ear belts in the bottom hook belts 2-1.
The mask conveying device in the embodiment can press and convey the mask body cloth through the input power roller and the middle power roller, so that the tension and the spatial posture of the mask body cloth are kept; when gauze mask body cloth with the ear area welding back, ear area conveyor 2 can act as gauze mask conveyor for drive gauze mask body cloth motion. Here, the specific structure of the mask transfer device may be implemented by referring to a conventional transfer device for roll or cloth.
Referring to fig. 1 to 6, the working principle of the high-speed welding device for the flat mask with the triangular pre-formed ear band of the present invention is as follows:
during operation, gauze mask body cloth is carried forward to gauze mask conveyor, and meanwhile, ear belt conveyor 2 also carries the ear belt forward along gauze mask conveyor's direction of delivery. Before the mask body cloth reaches an ear band welding station of the ear band welding device 4, the ear band triangle preforming device 3 works to carry the ear band between two first positioning hooks 2-21 in the same group of first positioning hooks 2-21 of the top hook belt 2-2 to the second positioning hooks 2-22 corresponding to the ear band in the bottom hook belt 2-1, so that the ear band is in a triangular structure between the two first positioning hooks 2-21 and the second positioning hooks 2-22, and the ear band conveying device 2 drives the ear band in the triangular structure to convey to the ear band welding station. In this process, gauze mask conveyor is with gauze mask body cloth to carry forward, and cover the top of ear area is along with ear area is synchronous to ear area welding station motion. When ear belt and gauze mask body cloth move to when ear belt welding station department, ear belt welding set 4 welds the ear belt and the gauze mask body cloth of triangle-shaped structure for the extreme point that is located second location hook 2-22 department in the ear belt of triangle-shaped structure with gauze mask body cloth welds. Subsequently, the mask body cloth and the welded ear bands continue to move to the edge cutting device 5, in the process, the bottom hook belts 2-1 are wound downwards between the ear band welding device 4 and the edge cutting device 5, the top hook belts 2-2 continue to convey the mask body cloth and the welded ear bands to the subsequent edge cutting device 5 and the subsequent discharging device 6, and here, the top hook belts 2-2 serve as mask conveying devices to realize synchronous conveying of the mask body cloth and the ear bands. As the bottom hook belt 2-1 is looped downwards, the second positioning hooks 2-22 in the bottom hook belt 2-1 are separated downwards from the ear belt with the triangular structure. When the mask body cloth and the ear belts move to the edge cutting device 5, the edge cutting device 5 cuts the mask body cloth along the width direction of the mask body cloth, the cutting positions are welding point positions of two corresponding triangular ear belts on two sides of the mask body cloth, therefore, the triangular ear belts are divided into two parts, one part of the triangular ear belts becomes the ear belt of the previous mask, and the other part of the triangular ear belts becomes the ear belt of the next mask. And finally, the top hook belt 2-2 continuously drives the mask which is subjected to the edge cutting process to move into the discharging device 6, and the discharging device 6 separates the mask from the top hook belt 2-2 and sends the mask to the collecting device.
Referring to fig. 1-6, the ear belt carrying mechanism comprises a horizontal swinging mechanism 3-2 for driving the ear belt hook 3-1 to swing horizontally and a linear driving mechanism 3-3 for driving the ear belt hook 3-1 to move linearly along the conveying direction of the ear belt, wherein a U-shaped groove for the ear belt to pass through is arranged at the bottom of the ear belt hook 3-1. The ear belt is wound between two first positioning hooks 2-21 of the same group of the top hook belt 2-2 and second positioning hooks 2-22 corresponding to the two first positioning hooks 2-21 in the bottom hook belt 2-1 through the cooperation of the horizontal swinging mechanism 3-2 and the linear driving mechanism 3-3. The specific winding method can be seen in the direction of the arrow in fig. 6, that is: the linear driving mechanism 3-3 drives the ear belt hook 3-1 to do linear motion, so that the ear belt hook 3-1 drives the end of the ear belt to do linear motion along the direction opposite to the conveying direction of the ear belt, when the ear belt hook 3-1 drives the ear belt to move between two first positioning hooks 2-21, the horizontal swinging mechanism 3-2 drives the ear belt hook 3-1 to swing horizontally towards the direction of a second positioning hook 2-22, so that the ear belt bypasses the second positioning hook 2-22, then the linear driving mechanism 3-3 drives the ear belt hook 3-1 to do linear motion, the moving direction is opposite to the conveying direction of the ear belt, finally, the horizontal swinging mechanism 3-2 drives the ear belt hook 3-1 to swing outwards horizontally outside the other first positioning hook 2-21, as the top hook belt 2-2 drives the first positioning hook 2-21 to move, the ear belt on the ear belt hook 3-1 naturally surrounds the first positioning hook 2-21. The ear belt in the ear belt conveying device can be poked into a triangular structure and conveyed forwards only by continuously repeating the steps, so that the ear belt can be conveniently welded on the mask body cloth by the subsequent ear belt welding device 4.
Referring to fig. 1-6, the horizontal swing mechanism 3-2 includes a swing link 3-21 and a rotary driving mechanism 3-22 for driving the swing link 3-21 to swing horizontally, wherein the middle of the swing link 3-21 is connected to the rotary driving mechanism 3-22, one end of the swing link is connected to the ear belt hook 3-1, and the other end is provided with a counterweight 3-23. The swing rods 3-21 are driven to swing through the rotary driving mechanisms 3-22, so that the ear belt hooks 3-1 are driven to swing horizontally to hook the ear belts positioned on the outer sides of the top hook belts 2-2 to the second positioning hooks 2-22 positioned in the middle of the two top hook belts 2-2, and the ear belts are in a triangular structure between the top hook belts 2-2 and the bottom hook belts 2-1.
Referring to fig. 1-6, the ear belt hook 3-1 is provided with an adjusting groove at a portion connected with the swing link 3-21, and the adjusting groove extends vertically and is used for adjusting the installation height of the ear belt hook 3-1.
Referring to fig. 1-6, the linear driving mechanism 3-3 is disposed on the frame 1 for driving the rotary driving mechanism 3-22 to perform linear motion, and the linear driving mechanism 3-3 is implemented by using a linear driving cylinder or by using a combination of a linear driving motor and a screw transmission mechanism, wherein two sets of ear belt triangle preforming devices 3 share one set of linear driving mechanism 3-3 or are respectively driven by two sets of linear driving mechanisms 3-3. In addition to the above structure, the linear driving mechanism 3-3 is further provided with a linear guide mechanism for guiding the rotary driving mechanism 3-22, such as a slide rail mechanism.
Referring to fig. 1-6, the two sets of ear band welding devices 4 are respectively located at two sides of the mask conveying device, each set of ear band welding device 4 comprises an ultrasonic welding head 4-1 arranged on the frame 1, a carving mold 4-2 and a vertical driving mechanism 4-3 for driving the carving mold 4-2 to move vertically to press the ear band and the mask body cloth at the ultrasonic welding head 4-1, wherein the ultrasonic welding head 4-1 is arranged above the mask conveying device, the carving mold 4-2 is arranged below the mask conveying device and is located between the top hook belt 2-2 and the bottom hook belt 2-1, wherein the carving molds 4-2 in the two sets of ear band welding devices 4 are respectively driven by the two sets of vertical driving mechanisms 4-3, or driven by a group of vertical driving mechanisms 4-3; the vertical driving mechanism 4-3 can adopt a cylinder driving mode, or adopt a mode of combining a motor and a screw rod driving mechanism, or adopt a mode of combining a motor and an eccentric wheel mechanism. The linear driving motor drives the carving mold 4-2 to vertically move, so that the ear belt and the mask body cloth with the triangular structures are driven to upwards contact with the ultrasonic welding head 4-1, and the ear belt and the mask body cloth are welded.
Referring to fig. 1-6, the top hook belt 2-2 and the bottom hook belt 2-1 are respectively driven by the same conveying driving mechanism 2-3, or respectively driven by two groups of conveying driving mechanisms 2-3; the conveying driving mechanism 2-3 can adopt a mode of combining a conveying motor and a conveying roller or a mode of combining the conveying motor and a conveying belt wheel; the conveying motor is directly connected with the conveying roller or the conveying belt wheel through a coupling and a connecting shaft, or is connected with the conveying roller or the conveying belt wheel through a transmission mechanism.
Referring to fig. 1 to 6, the top surface of the first positioning hook 2-21 is flush with the top surface of the second positioning hook 2-22, and three vertexes of the triangular-structured ear band located between the top hook strap 2-2 and the bottom hook strap 2-1 are all on the same horizontal plane. The ear belt with the triangular structure can not incline, and is prevented from being scraped to the periphery in the conveying process; meanwhile, the top surface of the first positioning hook 2-21 of the top hook belt 2-2 is positioned below the ultrasonic welding head 4-1, and the distance of a few millimeters is kept, so that the first positioning hook 2-21 of the top hook belt 2-2 is prevented from being scratched with the ultrasonic welding head 4-1, and meanwhile, the ear belt can be prevented from being unhooked in the welding moment.
Referring to fig. 1-6, the trimming device 5 in this embodiment is composed of a cutter roller 5-1 and a steel wheel, and is used in pairs to cut the mask body cloth at a fixed length, and the cutting position of the cutter is adjusted by adjusting the phase angle of a synchronous pulley externally arranged on the cutter roller 5-1, so as to ensure that the cutting position of the mask is located at the vertex position of the ear band with a triangular structure (i.e. located at the second positioning hook 2-22). The discharging device 6 comprises a discharging motor, a unhooking cylinder and a discharging belt, the discharging motor is a constant-speed capacitor motor, the discharging motor arranged on the rack 1 drives the discharging belt to convey, and the unhooking cylinder is arranged on two sides of the cutter roll 5-1 and used for pushing the ear belt out of the first positioning hooks 2-21 on the top hook belt 2-2 to prevent the ear belt from being hung. The trimming device 5 and the discharging device 6 in the present embodiment may be implemented by referring to the commercially available trimming device 5 and discharging device 6.
In addition, after the ear straps with the triangular structures are cut off, the tail ends of the welding points of the single ear straps face the inner side of the mask body cloth and form an oblique angle, and the welding positions of the ear straps are not easy to tear or burst in the wearing process of the mask, so that the requirement of tension born by national standard regulations is easily met.
Referring to fig. 1 to 6, the high-speed welding method of the flat mask with the triangular pre-formed ear band of the present invention comprises the following steps:
(1) the mask conveying device drives the mask body cloth to move, and meanwhile, the ear belt conveying device 2 drives the ear belts to convey along the conveying direction of the mask body cloth; the mask body cloth is positioned above the ear belts;
(2) before the mask body cloth reaches an ear band welding station of an ear band welding device 4, the ear band triangle preforming device 3 continuously conveys the ear band positioned between two first positioning hooks 2-21 in the same group of first positioning hooks 2-21 of the top hook belt 2-2 to a second positioning hook 2-22 corresponding to the ear band in the bottom hook belt 2-1, so that the ear band forms a triangular structure between the two first positioning hooks 2-21 and the second positioning hooks 2-22; meanwhile, the ear belt conveying device 2 drives the ear belt in a triangular structure to convey to an ear belt welding station.
(3) When the ear straps and the mask body cloth move to the ear strap welding station, the ear strap welding device 4 welds the ear straps of the triangular structures and the mask body cloth, so that end points of the ear straps of the triangular structures, which are located at the positions of the second positioning hooks 2-22, are welded with the mask body cloth; then, the mask body cloth and the welded ear bands continue to move into the edge cutting device 5;
(4) when the ear belt is arranged between the ear belt welding device 4 and the edge cutting device 5, the bottom hook belt 2-1 is wound downwards, and the second positioning hooks 2-22 in the bottom hook belt 2-1 move downwards and are separated from the ear belt in a triangular structure; the top hook belt 2-2 continuously conveys the welded mask body cloth and the ear belt to the edge cutting device 5;
(5) when the mask body cloth and the ear belts move to the edge cutting device 5, the edge cutting device 5 cuts the mask body cloth along the width direction of the mask body cloth, the cutting positions are welding point positions of two corresponding triangular ear belts on two sides of the mask body cloth, so that the triangular ear belts are divided into two parts, one part of the triangular ear belts becomes the ear belt of the previous mask, and the other part of the triangular ear belts becomes the ear belt of the next mask;
(6) the top hook belt 2-2 continuously drives the mask which is finished with the edge cutting process to move into the discharging device 6, and the discharging device 6 separates the mask from the first positioning hook 2-21 of the top hook belt 2-2 and sends the mask to the collecting device.
The above description is a preferred embodiment of the present invention, but the present invention is not limited to the above description, and any other changes, modifications, substitutions, blocks and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
Claims (10)
1. A high-speed welding device for a plane mask with a preformed ear belt triangle is characterized by comprising a rack, a mask conveying device, an ear belt triangle preforming device, an ear belt welding device, an edge cutting device and a discharging device, wherein the mask conveying device is arranged on the rack and used for conveying mask body cloth;
the ear belt conveying device comprises a bottom hook belt, a top hook belt and a conveying driving mechanism for driving the bottom hook belt and the top hook belt to move, wherein,
the top hook belts are positioned at two sides of the mask conveying device, and the bottom hook belts are positioned in the middle of the top hook belts at two sides; the bottom hook belt and the top hook belt are vertically encircled on the rack and respectively comprise a horizontal conveying section arranged at the upper end of the rack and an encircling section positioned at the lower end of the horizontal conveying section, wherein the horizontal conveying section of the top hook belt extends from the ear belt triangular preforming device to the discharging device; the horizontal conveying section of the bottom hook belt extends from the ear belt triangle preforming device to a position between the ear belt welding device and the edge cutting device and is surrounded downwards between the ear belt welding device and the edge cutting device;
a plurality of groups of first positioning hooks are arranged on the top hook belt and are arranged along the extension direction of the top hook belt and correspond to the first positioning hooks one by one; each group of positioning hooks is two, and the two first positioning hooks are arranged along the extending direction of the top hook belt; the bottom hook belt is provided with a plurality of groups of second positioning hooks which are arranged at equal intervals along the extension direction of the bottom hook belt, each group of two second positioning hooks are symmetrical relative to the width direction of the bottom hook belt and are in one-to-one correspondence with the first positioning hooks on two sides of the bottom hook belt, and each second positioning hook is positioned in the middle of two corresponding first positioning hooks; the ear belt is positioned at the first positioning hooks of the top hook belts at the two sides;
the ear belt triangle preforming device is used for conveying the ear belt between two first positioning hooks in each group of first positioning hooks to a second positioning hook corresponding to the first positioning hooks in the bottom hook belt, and the ear belt forms an isosceles triangle structure between two adjacent first positioning hooks in the top hook belt and the second positioning hooks corresponding to the first positioning hooks in the bottom hook belt; ear area triangle preforming device is two sets of, sets up respectively gauze mask conveyor's both sides, and every ear area triangle preforming device of group includes the ear area hook and is used for the drive the ear area hook motion is in order to realize transporting the ear area between two adjacent first location hooks the ear area transport mechanism on the second location hook that corresponds with it in the end hook belt.
2. The ear belt triangle preformed plane mask high-speed welding device according to claim 1, wherein the ear belt carrying mechanism comprises an ear belt hook, a horizontal swinging mechanism for driving the ear belt hook to swing horizontally, and a linear driving mechanism for driving the ear belt hook to move linearly along a direction parallel to the conveying direction of the ear belt, wherein a U-shaped groove for the ear belt to pass through is formed at the bottom of the ear belt hook.
3. The high-speed welding device for the ear belt triangle preformed flat mask as claimed in claim 2, wherein the horizontal swinging mechanism comprises a swinging rod and a rotary driving mechanism for driving the swinging rod to swing horizontally, wherein the middle part of the swinging rod is connected with the rotary driving mechanism, one end of the swinging rod is connected with the ear belt hook, and the other end of the swinging rod is connected with the balancing weight.
4. The ear band triangular preformed flat mask high-speed welding device according to claim 3, wherein the ear band hook is provided with an adjusting groove at a portion connected with the swing link, and the adjusting groove extends vertically and is used for adjusting the installation height of the ear band hook.
5. The high-speed welding device for the flat mask according to claim 3, wherein the linear driving mechanism is disposed on the frame and used for driving the rotary driving mechanism to perform linear motion, the linear driving mechanism is a linear driving cylinder or a combination of a linear driving motor and a screw transmission mechanism, and two sets of the ear band triangle preforming devices share one set of the linear driving mechanism or are respectively driven by two sets of the linear driving mechanisms.
6. The high-speed welding device for the ear band triangular preformed flat mask as claimed in claim 1, wherein the ear band welding devices are two sets, which are respectively located at two sides of the mask conveying device, each set of ear band welding device comprises an ultrasonic welding head, a carving mold and a vertical driving mechanism, wherein the ultrasonic welding head is arranged on a frame, the carving mold is arranged below the mask conveying device, and the carving mold is located between the top hook belt and the bottom hook belt, and the vertical driving mechanism is used for driving the carving mold to move vertically to press the ear band and the mask body cloth at the ultrasonic welding head.
7. The high-speed welding device for the ear band triangular preformed flat mask according to claim 6, wherein the engraving molds in the two sets of ear band welding devices are driven by two sets of vertical driving mechanisms respectively, or driven by one set of vertical driving mechanisms; the vertical driving mechanism adopts a cylinder driving mode, or adopts a mode of combining a motor and a screw rod transmission mechanism, or adopts a mode of combining the motor and an eccentric wheel mechanism.
8. The ear band triangular preformed flat mask high-speed welding device according to claim 1, wherein the top hook belt and the bottom hook belt are respectively driven by the same conveying driving mechanism or respectively driven by two groups of conveying driving mechanisms; the conveying driving mechanism can adopt a mode of combining a conveying motor with a plurality of groups of conveying rollers or a mode of combining the conveying motor with a plurality of groups of conveying belt wheels; the conveying motor is directly connected with one group of conveying rollers or the conveying belt wheels through a coupling and a connecting shaft, or is connected with the conveying rollers or the conveying belt wheels through a transmission mechanism.
9. The high-speed welding device for the ear band triangular preformed flat mask according to claim 1, wherein the top surface of the first positioning hook is flush with the top surface of the second positioning hook, and three vertexes of the triangular ear band positioned between the top hook belt and the bottom hook belt are all positioned on the same horizontal plane.
10. A welding method for the high speed welding equipment of the flat mask with the triangular pre-formed ear band according to any one of claims 1 to 9, comprising the steps of:
(1) the mask conveying device drives the mask body cloth to move, and meanwhile, the ear belt conveying device drives the ear belts to convey along the conveying direction of the mask body cloth; the mask body cloth is positioned above the ear belts;
(2) before the mask body cloth reaches an ear band welding station of the ear band welding device, the ear band triangle preforming device continuously conveys the ear band between two first positioning hooks in the same group of first positioning hooks of the top hook belt to a second positioning hook corresponding to the ear band in the bottom hook belt, so that the ear band forms a triangular structure between the two first positioning hooks and the second positioning hooks; meanwhile, the ear belt conveying device drives the ear belt in a triangular structure to convey to an ear belt welding station;
(3) when the ear belt and the mask body cloth move to the ear belt welding station, the ear belt welding device welds the ear belt and the mask body cloth in the triangular structure, so that the end point of the ear belt in the triangular structure, which is located at the second positioning hook, is welded with the mask body cloth; then, the mask body cloth and the welded ear bands continue to move into the edge cutting device;
(4) when the ear belt welding device is arranged between the ear belt welding device and the edge cutting device, the bottom hook belt moves downwards, and the second positioning hook in the bottom hook belt moves downwards and is separated from the ear belt with the triangular structure; the top hook belt continuously conveys the welded mask body cloth and the ear belt to the edge cutting device;
(5) when the mask body cloth and the ear belts move to the edge cutting device, the edge cutting device cuts the mask body cloth along the width direction of the mask body cloth, the cutting positions are welding point positions of two corresponding triangular ear belts on two sides of the mask body cloth, so that the triangular ear belts are divided into two parts, one part of the triangular ear belts becomes the ear belt of the previous mask, and the other part of the triangular ear belts becomes the ear belt of the next mask;
(6) the top hook belt continuously drives the mask which is subjected to the edge cutting process to move into the discharging device, and the discharging device separates the mask from the first positioning hook of the top hook belt and sends the mask to the collecting device.
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| CN202010679932.9A CN111907066B (en) | 2020-07-15 | 2020-07-15 | High-speed welding equipment and method for ear-band triangular preformed planar mask |
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| CN202010679932.9A CN111907066B (en) | 2020-07-15 | 2020-07-15 | High-speed welding equipment and method for ear-band triangular preformed planar mask |
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| CN112693816B (en) * | 2021-01-20 | 2022-11-29 | 中山职业技术学院 | A material transporting device for gauze mask machine |
| CN112721187A (en) * | 2021-01-20 | 2021-04-30 | 中山职业技术学院 | Mask production equipment |
| CN115715268A (en) * | 2021-06-22 | 2023-02-24 | 大科防静电技术咨询（深圳）有限公司 | Earring attachment device |
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| US9770058B2 (en) * | 2006-07-17 | 2017-09-26 | 3M Innovative Properties Company | Flat-fold respirator with monocomponent filtration/stiffening monolayer |
| CN101904587B (en) * | 2010-08-04 | 2012-06-13 | 湖北工业大学 | Copying plane face mask wearing method and equipment |
| AU2012300184A1 (en) * | 2011-08-22 | 2013-10-03 | Resmed Limited | Ultrasonic welding of fabrics for sleep apnea treatment |
| CN102805435B (en) * | 2012-04-20 | 2016-05-25 | 仙桃市道琦塑业有限公司 | Belting on mouth mask |
| CN111204047A (en) * | 2020-03-02 | 2020-05-29 | 广州明森合兴科技有限公司 | Ear wire intermittent welding equipment and method for mask production and mask production line |
| CN111409269A (en) * | 2020-04-08 | 2020-07-14 | 浙江安普森医疗器械有限公司 | Mask ear belt welding device with ear belt conveying device |
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Address after: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |