WO2021212572A1 - 口罩焊接装置及口罩制造设备 - Google Patents

口罩焊接装置及口罩制造设备 Download PDF

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Publication number
WO2021212572A1
WO2021212572A1 PCT/CN2020/090233 CN2020090233W WO2021212572A1 WO 2021212572 A1 WO2021212572 A1 WO 2021212572A1 CN 2020090233 W CN2020090233 W CN 2020090233W WO 2021212572 A1 WO2021212572 A1 WO 2021212572A1
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WIPO (PCT)
Prior art keywords
welding
mask
ear
limiting groove
feeding module
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Application number
PCT/CN2020/090233
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English (en)
French (fr)
Inventor
谭治铭
梁杰
谭治良
Original Assignee
广州市联柔机械设备有限公司
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Application filed by 广州市联柔机械设备有限公司 filed Critical 广州市联柔机械设备有限公司
Publication of WO2021212572A1 publication Critical patent/WO2021212572A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0064—Producing wearing apparel
    • B29D99/0071—Masks, e.g. gas masks
    • 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
    • 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
    • A41H42/00—Multi-step production lines for making clothes

Definitions

  • the present invention relates to the technical field of mask production and manufacturing, in particular to a mask welding device and mask manufacturing equipment.
  • the mask structure includes a mask body and ear straps.
  • the mask machine used to produce masks in the prior art is usually arranged in a "one with two" structure, that is, the mask body is formed by an upstream mask body manufacturing device, and then Two mask ear strap welding devices are installed downstream to weld the ear straps on both sides of the mask.
  • a flanging conveyor line is set between the mask body manufacturing device and the two mask ear strap welding devices.
  • the welding efficiency of ear straps is low.
  • the ear straps on both sides of the mask need to be equipped with special ear strap conveying, winding, cutting, welding and other mechanisms to cooperate with each other to transport the ear straps or ear straps.
  • Multiple grippers are required to clamp the ear straps with coordinated actions.
  • the structure is complicated and the equipment
  • the high failure rate has also led to the low welding efficiency of the mask ear strap welding device, which limits the production efficiency of the mask to a certain extent.
  • the upstream mask body manufacturing device produces faster.
  • there is a "one for two" structure that is, two mask earband welding is required downstream
  • the device is used to distribute the mask body from the previous process.
  • the mask body manufacturing device performs edge sealing and welding on the side of the mask, using ultrasonic welding.
  • the structure usually adopts the rolling method, that is, an ultrasonic die is set at the bottom and a rotating roller is set at the top. Conveying, the roller and the ultrasonic die head cooperate to seal the mask edge and weld.
  • the above-mentioned structure of the mask body's edge-sealing welding structure will easily cause the ultrasonic die head below to wear out for a long time, which will cause the mask's edge-sealing welding to be weak, and the product quality will decline; in addition, the size of the ultrasonic die and roller corresponds to the size of the mask ,
  • One machine and the same set of molds can only produce masks of one specification and size. If masks of another specification are produced, another piece of equipment is required.
  • the upstream mask body manufacturing device and the downstream mask ear strap welding device are two separate devices, and due to the orientation of the mask body when the mask body manufacturing device is working, the mask body is working with the mask ear strap welding device The orientation of the placement is different, and the two are 90° to each other. Therefore, a flanging conveyor line needs to be set between the mask body manufacturing device and the mask ear strap welding device to turn the mask body 90°, which leads to the overall equipment The structure is complicated, the production line is lengthy, and the production efficiency is low.
  • the production process is complicated.
  • the production process of the "one for two" mask machine is as follows: edge banding and welding of the mask body cloth ⁇ cutting the cloth to form a divided mask body ⁇ flanging conveyor line conveying ⁇ ear belt feeding and cutting ⁇ ear belt Welding ⁇ Mask discharge.
  • the purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a mask welding device and mask manufacturing equipment, which can effectively improve production efficiency.
  • the embodiment of the present invention also provides a mask welding device, which includes:
  • the short-side welding mechanism is arranged downstream of the long-side welding mechanism and is used to weld the short side of the mask body and the mask ear straps, wherein the short-side welding mechanism includes:
  • the feeding module includes at least one limiting slot and at least one airflow channel communicating with the limiting slot, the limiting slot having an ear strap inlet and an ear strap outlet, wherein the airflow channel is It is configured to let in air flow, so that the air flow can drive the ear strap to transport along the limiting groove;
  • Feeding components used to selectively lock the ear straps to limit the conveying of the ear straps
  • the first welding assembly is arranged at the ear strap inlet and the ear strap outlet of the feeding module, and the first welding assembly includes a first welding die and a second welding die that cooperate with each other;
  • the cutting assembly is arranged on the first welding die and/or the second welding die, and is used for cutting the mask body and the mask ear straps.
  • the above-mentioned mask manufacturing equipment has at least the following beneficial effects: the long and short sides of the mask body are respectively welded by the long-side welding mechanism and the short-side welding mechanism, wherein the short-side welding mechanism realizes the conveying of the ear straps through the feeding module and the feeding assembly,
  • the airflow is introduced into the limit groove through the airflow channel, and the earband is moved and conveyed in the limit groove by the airflow.
  • the first welding assembly acts to weld the short side of the mask and the earband at the same time.
  • the cutting assembly is driven to cut the short side of the mask body and the ear straps, so as to cut the short side of the mask body, the welding process of the ear straps, the cutting process of the short sides of the earmuffs body, and the ear strap cutting.
  • the cutting process is combined into one process, which effectively improves the working efficiency of the mask welding device, thereby increasing the production efficiency of the mask.
  • the overall structure is simple and compact, and the complex structure design of the traditional mask machine is abandoned, and the failure rate is low.
  • the end of the first welding die is provided with a convex edge
  • the end of the second welding die is provided with a notch matched with the convex edge
  • an opening is provided at the end of the first welding die, a cutter protruding through the opening is provided in the first welding die, and the second welding die The end is provided with a notch matched with the cutter.
  • the feeding module includes a first feeding module and a second feeding module that are arranged at intervals and having a predetermined gap
  • the first feeding module includes a first earband inlet and a second feeding module.
  • the second feeding module includes a second limiting slot having a second ear strap inlet and a second ear strap outlet, the first ear strap inlet and the second ear strap The strap outlet is opposite, the first ear strap outlet is opposite to the second ear strap inlet, and the first welding assembly is arranged at the predetermined gap.
  • the first feeding module and/or the second feeding module are provided with a feeding channel corresponding to the first limiting groove and/or the second limiting groove .
  • the air flow channel is arranged adjacent to the feed channel, and the air flow channel intersects the feed channel and forms an acute angle at the intersection.
  • the path of the limiting groove is semi-annular.
  • the limiting groove is a groove structure with an open bottom surface or an open side surface.
  • the mask welding device further includes a stripping assembly for driving the ear straps to escape from the limiting groove.
  • a stripping air hole communicating with the limiting groove is provided in the feeding module, and the stripping air hole is configured to selectively pass in air flow to make the mask ears The belt escapes from the limiting groove.
  • the feeding module further includes at least one stripping module that selectively covers the side opening of the limiting groove.
  • the feeding assembly includes two rollers that are in contact with each other, and the two rollers press the ear straps to selectively lock the ear straps.
  • the long-side welding mechanism includes two second welding components, the two second welding components are arranged at intervals, and the second welding components include third welding components that cooperate with each other. Die and fourth welding die.
  • the distance between the two second welding components is set to be adjustable.
  • the embodiment of the present invention also provides a mask manufacturing equipment, including the aforementioned mask welding device.
  • the above-mentioned mask manufacturing equipment has at least the following beneficial effects: through the above-mentioned mask welding device, the welding process of the short side of the mask body, the welding process of the ear band, the cutting process of the short side of the earmuff body, and the cutting process of the ear band are combined into one process. , Effectively improve the production efficiency of masks.
  • the mask manufacturing equipment further includes a case body and an air source filter device, the mask welding device is arranged in the case body, and the case body is arranged to have a positive pressure inside relative to the outside.
  • the air source filter device is used to filter the air entering the inside of the cabinet.
  • a sterilization device is provided in the casing.
  • Figure 1 is a schematic structural diagram of an embodiment of a mask welding device of the present invention
  • FIG. 2 is a partial structural diagram of the short-side welding mechanism in the embodiment of the mask welding device of the present invention.
  • FIG. 3 is a partial structural cross-sectional view of the short-side welding mechanism in the embodiment of the mask welding device of the present invention.
  • FIG. 4 is a schematic cross-sectional view of the partial structure of the first embodiment of the feeding module in the embodiment of the mask welding device of the present invention.
  • FIG. 5 is a partial structural cross-sectional view of the second embodiment of the feeding module in the embodiment of the mask welding device of the present invention.
  • FIG. 6 is a schematic partial structural cross-sectional view of the third embodiment of the feeding module in the embodiment of the mask welding device of the present invention.
  • FIG. 7 is a partial structural cross-sectional schematic diagram of the overlap of the air flow channel and the feed channel in the embodiment of the mask welding device of the present invention.
  • FIG. 8 is a partial structural cross-sectional view of the air intake head in the embodiment of the mask welding device of the present invention.
  • FIG. 9 is a partial structural cross-sectional view of the first embodiment of the first welding assembly in the embodiment of the mask welding device of the present invention.
  • FIG. 10 is a partial structural cross-sectional view of the second embodiment of the first welding assembly in the embodiment of the mask welding device of the present invention.
  • FIG. 11 is a partial structural cross-sectional view of the first embodiment of the ear strap detached from the limiting groove in the embodiment of the mask welding device of the present invention
  • FIG. 12 is a partial structural cross-sectional schematic diagram of the second embodiment of the ear strap detached from the limiting groove in the embodiment of the mask welding device of the present invention
  • FIG. 13 is a partial structural cross-sectional view of the third embodiment of the ear strap detached from the limiting groove in the embodiment of the mask welding device of the present invention
  • Fig. 14 is a schematic cross-sectional view taken along line A-A in Fig. 13;
  • FIG. 15 is a schematic cross-sectional view of the A-A line ear strap detaching from the limiting groove in FIG. 13;
  • 16 is a partial structural diagram of the long-side welding mechanism in the embodiment of the mask welding device of the present invention.
  • 17 is a partial cross-sectional schematic diagram of the avoidance structure of the long-side welding mechanism in the embodiment of the mask welding device of the present invention.
  • FIG. 18 is a schematic structural diagram of an embodiment of a mask manufacturing equipment of the present invention.
  • 19 is a schematic diagram of the structure of the case body in the embodiment of the mask manufacturing equipment of the present invention.
  • ear strap 10 ear strap 10, mask body 20, short-side welding mechanism 30, long-side welding mechanism 40, cloth conveying mechanism 50, fold forming mechanism 60, nose bridge conveying mechanism 70, case body 80, blower 81, ultraviolet lamp 82 , Feeding module 100, limiting groove 150, ear strap inlet 151, ear strap outlet 152, first feeding module 110, second feeding module 120, first limiting slot 111, second limiting slot 121, first ear Belt inlet 1111, first ear belt outlet 1112, second ear belt inlet 1211, second ear belt outlet 1212, air flow channel 130, hose 131, air inlet 132, annular groove 1321, air inlet 1322, feed channel 140, feeding assembly 200, roller 210, first welding assembly 300, first welding die 310, second welding die 320, convex edge 311, opening 312, cutter 313, notch 321, second welding assembly 400, first Three welding die 410, fourth welding die 420, avoiding structure 411, stripping assembly 500, push rod member 510, stripping air hole
  • an embodiment of the present invention provides a mask welding device, including a long-side welding mechanism 40 and a short-side welding mechanism 30, wherein the long-side welding mechanism 40 is used to weld the long sides of the mask body 20; the short-side welding mechanism 30 It is arranged downstream of the long side welding mechanism 40 and is used for welding the short side of the mask body 20 and the mask ear strap 10.
  • the cloth for producing the mask body 20 is continuously conveyed in a predetermined direction, and is conveyed from the long-side welding mechanism 40 to the short-side welding mechanism 30.
  • the short-side welding mechanism 30 includes: a feeding module 100.
  • the feeding module 100 includes at least one limiting slot 150 and at least one airflow channel 130 communicating with the limiting slot 150.
  • the limiting slot 150 has an ear strap inlet 151 and an ear strap outlet 152. Both ends of the limiting groove 150 constitute an ear strap inlet 151 and an ear strap outlet 152, respectively.
  • the air flow channel 130 is set to pass in air flow so that the air flow can drive the ears.
  • the belt 10 is conveyed along the limiting groove 150; the feeding assembly 200 is used to selectively lock the ear belt 10 to restrict the conveying of the ear belt 10; the first welding assembly 300 is arranged at the ear belt inlet 151 and the ear belt of the feeding module 100 At the outlet 152, the first welding assembly 300 includes a first welding die 310 and a second welding die 320 that cooperate with each other; and a cutting assembly, which is arranged on the first welding die 310 and/or the second welding die.
  • the head 320 is used to cut the mask body 20 and the mask ear strap 10.
  • the long side and the short side of the mask body 20 are respectively welded by the long side welding mechanism 40 and the short side welding mechanism 30.
  • the short-side welding mechanism 30 realizes the conveying of the ear strap 10 through the feeding module 100 and the feeding assembly 200
  • the limit slot 150 of the feeding module 100 guides the conveying of the ear strap 10
  • the airflow is introduced into the limit slot 150 through the airflow channel 130
  • the ear band 10 is driven to move and convey in the limit groove 150 by airflow.
  • the ear band 10 is controlled by the feeding assembly 200 to restrict the free movement of the ear band 10 in the limit groove 150 to ensure that the ear band 10 is moved and transported to a predetermined position ( On the short side of the mask body 20).
  • the first welding assembly 300 acts to weld the short side of the mask body 20 and the ear strap 10 at the same time. At the same time, the first welding assembly 300 will drive the cutting assembly to the short side and the ear strap 10 of the mask body 20.
  • the earband 10 is cut, so that the welding process of the short side of the mask body 20, the welding process of the earband 10, the cutting process of the short side of the earmuff body and the cutting process of the earband 10 are combined into one process, which effectively improves
  • the working efficiency of the mask welding device further improves the production efficiency of the mask.
  • the overall structure is simple and compact, and the complex structure design of the traditional mask machine is abandoned, and the equipment failure rate is low.
  • the limiting groove 150 of the feeding module 100 is provided on the bottom surface, and is a groove structure with an open bottom surface. After the ear band 10 is transported to a predetermined position and cut, it is welded to the short side of the mask body 20 by the first welding assembly 300.
  • the limiting groove 150 is a groove structure with an open bottom surface, which is convenient for the ear band 10 to be attached after welding. The conveying of the mask body 20 is out of the limit slot 150.
  • the up and down orientations are as shown in Figure 2.
  • the bottom of the feeding module 100 in the figure is facing upwards; in actual production and processing , The bottom surface of the feeding module 100 faces downwards, and the cloth for producing the mask body 20 is continuously conveyed along a predetermined direction.
  • the feeding module 100 is arranged above the mask body 20, and the bottom surface of the feeding module 100 is approximately attached to the mask body. Refer to Figure 1 for the upper surface of 20.
  • the feeding module 100 includes a first feeding module 110 and a second feeding module 120 that are arranged at intervals and have a predetermined gap.
  • the first welding assembly 300 is arranged at the predetermined gap.
  • a first limiting slot 111 is provided on the bottom surface of a feeding module 110, and a second limiting slot 121 is provided on the bottom surface of the second feeding module 120.
  • the first limiting slot 111 and the second limiting slot 121 are both grooves or embedding slots.
  • the structure is that grooves are dug on the bottom surfaces of the first feeding module 110 and the second feeding module 120.
  • the paths of the first limiting groove 111 and the second limiting groove 121 in the horizontal direction or in the same plane are both semi-circular, and both The path formed by the combination of the first limiting slot 111 and the second limiting slot 121 is circular or racetrack-shaped in the horizontal direction or in the same plane.
  • the first and the rear ends of the first limiting slot 111 respectively constitute the first An ear strap inlet 1111 and a first ear strap outlet 1112
  • the first and tail ends of the second limiting groove 121 respectively constitute a second ear strap inlet 1211 and a second ear strap outlet 1212, so that the ear strap 10 can pass the first limit smoothly Slot 111 and the second limiting slot 121.
  • the first ear strap inlet 1111 is opposite to the second ear strap outlet 1212
  • the first ear strap outlet 1112 is opposite to the second ear strap inlet 1211
  • the ear strap 10 enters from the first ear strap inlet 1111 of the first limiting groove 111
  • the second ear strap inlet 1211 of the second limiting slot 121 After being sent out through the first ear strap outlet 1112 of the first limiting slot 111, it enters from the second ear strap inlet 1211 of the second limiting slot 121, and then passes through the second ear strap outlet 1212 of the second limiting slot 121
  • the ear strap 10 can be continuously cyclically moved and transported in a counterclockwise direction in the first limiting groove 111 and the second limiting groove 121.
  • the first ear strap entry 1111 and the second ear strap entry 1211 All set chamfer structure.
  • an airflow channel 130 communicating with the second limiting groove 121 is provided inside the second feeding module 120.
  • the airflow channel 130 is configured to allow airflow, and the airflow enters the first The limiting groove 111 and the second limiting groove 121 flow approximately in a counterclockwise direction. Under the action of the air flow, the ear strap 10 is driven by the air flow, and then the first limiting groove 111 and the second limiting groove 121 are reversed. Transport in the clockwise direction.
  • the intensity of the air flow can be flexibly selected according to the actual situation, as long as it can drive or blow the ear band 10 for mobile transportation.
  • a feeding channel 140 is provided in the second feeding module 120 to communicate with the second limiting groove 121.
  • the feeding channel 140 is used for feeding the ear strap 10 into the feeding module 100, and the air flow channel 130 is connected to the feeding module 100.
  • the feeding channel 140 is arranged adjacently, the air flow channel 130 intersects the feeding channel 140, the air flow enters through the air flow channel 130, and drives the ear band 10 located in the feeding channel 140 to move into the first limiting groove 111 and the second limiting groove 121
  • an acute angle is formed between the central axis between the two, that is, at the intersection, the flow direction of the air flow in the air flow channel 130 and the ear band 10 in the feed channel 140
  • the conveying direction forms an acute angle, which is beneficial to the airflow to drive the ear band 10 to move and convey.
  • the moving and conveying position of the ear strap 10 is controlled by the feeding assembly 200.
  • the feeding assembly 200 includes two rollers 210 that are in contact with each other, and the ear straps 10 pass between the two rollers 210. , The two rollers 210 clamp the earband 10, at this time the earband 10 is locked and cannot be moved and transported.
  • the two rollers 210 rotate synchronously and reversely, the earband 10 can be pressed against the earband 10 by rolling it against the airflow.
  • the two rollers 210 stop rotating the moving and conveying of the earband 10 is suspended.
  • the earband 10 can just expose the part of the second ear strap outlet 1212, so that the ear strap 10 is arranged in a ring or racetrack shape in the first limit groove 111 and the second limit groove 121, To facilitate subsequent welding and cutting processes.
  • the ear straps 10 are moved and transported in the first limiting groove 111 and the second limiting groove 121 and arranged in a ring or racetrack shape, so that they can be arranged at one time.
  • the two mask ear straps 10 are welded together, and the short sides of the mask body 20 and the cut ear straps 10 and the short sides of the mask body 20 are welded at the same time, which effectively improves the production efficiency.
  • the airflow is continuously blown in through the airflow channel 130, which can drive the earband 10 to move and transport by the airflow, and only when the two rollers 210 rotate in reverse and synchronously, the earband 10 will move and transport with the airflow.
  • the conveying position of the earband 10 can be accurately controlled. That is, the earband 10 can be selectively locked by controlling the rotation of the two rollers 210.
  • the two rollers 210 can also be synchronized and reversely rotated to transport the earband 10 of a predetermined length in advance, and then the two rollers 210 stop rotating, lock the earband 10, and then pass the airflow to the airflow channel 130, which is driven by the airflow.
  • the ear strap 10 enters the first limiting groove 111 and the second limiting groove 121 to move and transport and is arranged in a ring or racetrack shape, that is, the airflow can also be set as intermittent ventilation.
  • the feeding assembly 200 may also be provided with only one roller 210, the roller 210 is arranged to be pressed against a plane, the ear band 10 passes between the roller 210 and the plane, and the roller 210 presses the ear. At this time, the ear belt 10 is locked and cannot be moved and conveyed.
  • the roller 210 rotates, the ear belt 10 can be moved and conveyed under the action of the air flow by rolling against the ear belt 10.
  • the roller 210 stops rotating the ear belt 10 can be moved and conveyed. The movement of the belt 10 is suspended.
  • the feeding assembly 200 can also be configured as a clamping mechanism, which can clamp or loosen the ear strap 10, that is, it can selectively lock the ear strap 10. Similarly, only when the clamping mechanism releases the ear strap 10 In the case of, the earband 10 will be transported along with the movement of the airflow.
  • independent airflow channels 130 may be provided on the first feeding module 110 and the second feeding module 120, respectively, and the airflow is guided into the first limiting groove 111 through the respective airflow channels 130. , The second limit slot 121, thereby driving the ear strap 10 to move and transport.
  • the number of airflow channels 130 can also be set to multiple, and those skilled in the art can flexibly choose according to the actual situation, as long as the airflow channels 130 are configured to facilitate the movement and transportation of the earband 10 driven by the airflow, for example,
  • the air flow channel 130 is tangent to the first limiting slot 111 and/or the second limiting slot 121.
  • independent feeding channels 140 may be provided on the first feeding module 110 and the second feeding module 120. Accordingly, two feeding assemblies 200 are provided for providing two ears respectively.
  • the belts 10 are respectively conveyed into the first limit groove 111 and the second limit groove 121.
  • the rolling control and air flow control of each ear belt 10 are the same as the above-mentioned methods, and will not be repeated here.
  • Each ear belt 10 moves The conveying correspondingly surrounds the first limit groove 111 and the second limit groove 121 in a semi-circular shape.
  • the two ear straps 10 can be combined to form a ring or racetrack shape, which facilitates the subsequent welding of two mask ear straps 10 at one time. , Effectively improve production efficiency.
  • the feeding module 100 may only be provided with a single limiting groove 150 to cooperate with a single feeding assembly 200 to guide and convey the ear straps 10 in the limiting groove 150 in a semi-circular arrangement, so as to align the ear straps. 10 is welded on one side of the mask body 20, so that only one mask ear strap 10 can be welded at a time.
  • the airflow channel 130 and the feed channel 140 can be combined into one, that is, only the airflow channel 130 is provided.
  • the earband 10 enters from the airflow channel 130, and the airflow directly drives the earband 10 located in the airflow channel 130. Enter the first limiting slot 111 and the second limiting slot 121.
  • the air flow channel 130 and the feed channel 140 can be combined into one, that is, the ear strap 10 enters the first limiting groove 111 and the second limiting groove 121 along the air flow channel 130, and the air flows from the air flow channel 130 Access to the first limiting groove 111 and the second limiting groove 121, the air flow channel 130 can be connected to an external hose 131 as an air inlet pipe, an air inlet 132 is arranged at the end of the hose 131, and the inside of the air inlet 132 There is an annular groove 1321, the annular groove 1321 is opened close to one end of the hose 131, and the side wall of the air inlet head 132 is provided with a through hole communicating with the annular groove 1321 as an air inlet 1322.
  • the earband 10 enters the airflow channel 130 through the hose 131, and the airflow is introduced from the air inlet 1322, and the airflow carries the earband 10 into the hose at the same time, so that the earband 10 directly enters the first limiting groove 111 from the airflow channel 130 , In the second limiting slot 121.
  • the first welding assembly 300 is arranged at a predetermined gap between the first feeding module 110 and the second feeding module 120, when the ear strap 10 is transported to the predetermined position by the feeding module 100 and the feeding assembly 200
  • the first welding assembly 300 will weld the ring or racetrack-shaped ear straps 10 to the mask body 20. While welding, the ear straps 10 and the mask body 20 are cut, and then Separate to form a separate mask.
  • the first welding assembly 300 includes a first welding die 310 and a second welding die 320 that are arranged up and down to cooperate with each other.
  • the first welding die 310 and the second welding die 320 are driven to close together to perform the welding operation. It is understandable that the interaction of the first welding die 310 and the second welding die 320 can be to drive two welding dies to close at the same time, or to drive only one of the welding dies to close, both of which can realize the welding action. .
  • the first welding die 310 and the second welding die 320 weld the mask and the earband 10 through an ultrasonic welding process.
  • the ultrasonic welding process belongs to a conventional technology in the field, and will not be repeated here.
  • first welding die 310 and the second welding die 320 weld the ear band 10, they also contact the short sides of the mask body 20, so that the short sides of the mask body 20 can be welded at the same time.
  • a cutting assembly is provided on the first welding die 310 and the second welding die 320, that is, the cutting assembly is integrated on the first welding assembly 300, and the cutting assembly is used to cut the mask body 20.
  • ear band 10 specifically, an opening 312 is provided at the end of the first welding die 310, a cutter 313 for cutting is provided inside the first welding die 310, the cutter 313 extends from the opening 312, and the second welding die
  • the end of the head 320 is provided with a notch 321 into which the cutter 313 can extend.
  • the protruding cutter 313 can cut off the mask body 20 and ear straps 10, so that the first welding assembly 300 welds the ear straps 10 while also cutting the mask body 20 and the ear straps 10. Since the ear straps 10 are arranged in a ring or racetrack shape, and the cutting position is in the middle, the first The action of the welding assembly 300 can weld and fix the two mask earbands 10 on the mask body 20 at one time, and combine the cutting process of the mask and earband 10, the short side of the mask body 20 and the welding process of the earband 10 into one. Simplify the mechanical structure and reduce mechanical parts, so that the failure rate of the mechanical structure is lower, and the structure is simple to reduce the cost.
  • the cutting assembly can also be provided with other structural forms, for example, the end of the first welding die 310 is provided with a protruding edge 311, and the end of the second welding die 320 is provided with a protruding edge.
  • the short-side welding mechanism 30 of this embodiment realizes the conveying of the ear band 10 through the guidance of the limiting groove 150 of the feeding module 100 and the action of air flow, and the ear band 10 is looped or semi-circularly around the city and placed on the mask body
  • the first welding assembly 300 is set at the ear strap inlet 151 and the ear strap outlet 152 of the limit slot 150, namely The middle part of the wound annular ear band 10 or the end part of the semi-circular ear band 10, so that while welding the short side of the mask body 20, the welding of the ear band 10, the cutting of the ear band 10 and the mask body 20 can be realized.
  • the cutting of the mask body 20 and the welding of the ear strap 10 can be carried out on the same cloth conveyor line. There is no need to set up the flanging conveyor line of the traditional mask machine, which greatly reduces the length of the production line and improves In order to improve production efficiency, "one for two" is no longer needed, and the use of two mask ear straps 10 welding devices is avoided.
  • the mask ear strap welding device may further include a stripping assembly 500, which is used to drive the ear straps to escape from the limiting groove smoothly, so that the ear straps can move smoothly with the mask body 20.
  • a stripping assembly 500 which is used to drive the ear straps to escape from the limiting groove smoothly, so that the ear straps can move smoothly with the mask body 20.
  • the stripping assembly 500 may be a push rod member 510 arranged in the limit groove, the pushing direction of the push rod member 510 is consistent with the opening direction of the limit groove, when the mask and ear straps are performed by the first welding assembly 300 At the same time of welding, the push rod member 510 moves to push the ear strap, so that the ear strap comes out of the limiting groove.
  • the stripping assembly 500 can also use an air pump (not shown), by providing a stripping air hole 520 in the feeding module 100 connected to the limiting groove, the direction of the stripping air hole 520 and the opening direction of the limiting groove Consistently, the air pump is connected to the stripping air hole 520, and the air pump provides high-pressure air flow. The air flow enters the limiting groove through the stripping air hole 520. When the mask and ear straps are welded by the first welding assembly 300, the ear straps are blown away from the limiter by the air flow. Bit slot.
  • the ear straps can also be detached under the action of its own gravity. Limit slot.
  • the first feeding module 110 further includes a first stripping module 112, and the first limiting slot 111 of the first feeding module 110 is arranged horizontally facing inward, that is, the first limiting The opening direction of the side opening of the position groove 111 is horizontally inward, and the side wall of the first stripping module 112 blocks and covers the first limit groove 111, so that the first limit groove 111 constitutes a relatively closed channel.
  • the material module 112 is configured to be able to move up and down.
  • the first limiting groove 111 has a structure with open sides; similarly, the second feeding module 120 also includes a second stripping module 122,
  • the second limiting groove 121 of the second feeding module 120 is arranged horizontally inward, that is, the opening direction of the side opening of the second limiting groove 121 is horizontally facing inward, and the side wall of the second stripping module 122 shields and covers the second
  • the limiting slot 121 makes the second limiting slot 121 constitute a relatively closed channel, and the second stripping module 122 is configured to be able to move up and down.
  • the second limiting slot 121 is a side surface Open structure.
  • the first stripping module 112 and the second stripping module 122 are controlled to move upwards synchronously, and the ears located in the first limiting slot 111 and the second limiting slot 121
  • the belt automatically slides off and realizes the stripping operation.
  • the long-side welding mechanism 40 includes two second welding assemblies 400, the two second welding assemblies 400 are spaced apart, and the second welding assembly 400 includes third welding dies arranged up and down to cooperate with each other.
  • the 410 and the fourth welding die 420 perform welding operations by driving the third welding die 410 and the fourth welding die 420 to close.
  • Two second welding assemblies 400 respectively weld the two long sides of the mask body 20.
  • a single second welding assembly 400 adopts a third welding die 410 and a fourth welding die 420 that cooperate up and down.
  • the third welding die 410 and The fourth welding die 420 only cooperates with each other during welding.
  • it can reduce the contact wear of the two welding dies, thereby improving the edge sealing of the mask body 20 The quality of welding.
  • the interaction of the third welding die 410 and the fourth welding die 420 can be to drive two welding dies to close at the same time, or to drive only one of the welding dies to close, both of which can realize the welding action.
  • the third welding die 410 and the fourth welding die 420 are welded by an ultrasonic welding process.
  • Masks have a variety of specifications, such as adult masks and children's masks. Masks of different specifications have different distances between the two long sides. In a traditional mask machine, one machine and the same set of molds can only produce masks of one specification and size. In this embodiment, the distance between the two second welding assemblies 400 is set to be adjustable, so as to adapt to masks of different specifications and sizes. The long side welding can produce masks of different specifications.
  • adjusting the distance between the two second welding components 400 can be to adjust the positions of the two welding components at the same time, or to adjust the position of only one of the welding components, and it can adopt different structural forms.
  • the second welding assembly 400 is slidably arranged on the frame 90, and the distance between the two second welding assemblies 400 can be adjusted by adjusting the movement of the second welding assembly 400. After the adjustment is completed, it is fixed by fasteners to avoid
  • the position of the second welding assembly 400 can be slidably adjusted along the long groove 91; or several installation positions of the second welding assembly 400 can be provided on the frame 90, and each installation position corresponds to a different distance. , Corresponding to masks of different specifications and sizes.
  • One of the long sides of the mask body 20 is usually provided with a nose bridge.
  • the end of the third welding die 410 on the long side of the mask body 20 with the nose bridge is provided with an avoiding structure that avoids the nose bridge. 411, refer to Figure 17.
  • the embodiment of the present invention also provides a mask manufacturing equipment, including the above-mentioned mask welding device, and including a cloth conveying mechanism 50, a wrinkle forming mechanism 60, a nose bridge strip conveying mechanism 70, etc., wherein the cloth conveying mechanism 50, the folds
  • the forming mechanism 60, the nose bridge strip conveying mechanism 70, etc. are all existing technologies, and their specific structures will not be repeated here.
  • the mask manufacturing equipment is externally provided with a cabinet body 80, and the mask welding device and other devices are all provided in the cabinet body 80.
  • the cabinet body 80 is set to have a positive pressure inside relative to the outside.
  • a blower 81 or a fan, an air pump, etc. can be installed in the chassis 80, and an air source filter device can be configured to prevent unfiltered external air from entering the inside of the equipment. In this way, a relatively closed environment is formed inside the equipment to avoid external air or artificial Activities pollute the production of masks.
  • a sterilization device is provided in the cabinet body 80 to further ensure that the environment inside the equipment is clean.
  • the sterilization device can be an ultraviolet lamp 82, or the manufactured mask can be placed in a high-temperature sterilization space, or epoxy can be introduced. Ethane sterilization, etc.
  • Part of the opening and closing door can be provided on the cabinet body 80 to facilitate the output of masks and the staff to perform activities such as cloth replacement, overhaul and maintenance, and a sealing strip is provided at the frame of the opening and closing door to ensure airtightness.
  • the mask manufacturing equipment of this embodiment simplifies the complex structure and process of the traditional mask machine.
  • the traditional mask machine is equipped with multiple independent mechanisms or devices to complete multiple production processes.
  • the mask manufacturing equipment of this embodiment adopts the above-mentioned mask.
  • the welding device realizes the long-side welding and short-side welding of the mask. While welding the short sides, welding of the ear band 10, cutting of the ear band 10 and cutting of the short side of the mask are performed, which greatly simplifies the production process and equipment
  • the structure shortens the length of the production line and reduces the overall volume of the equipment. It can be placed in a cabinet 80 to ensure the cleanliness of the production environment and at the same time sterilize the mask.
  • orientation description involved such as up, down, front, back, left, right, etc. indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, but In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be configured and operate in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

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Abstract

本发明公开了一种口罩焊接装置及口罩制造设备，其中口罩焊接装置包括长边焊接机构和短边焊接机构，短边焊接机构包括送料模组、送料组件、第一焊接组件和裁切组件，送料模组包括至少一个限位槽和至少一个与所述限位槽连通的气流通道。长边焊接机构和短边焊接机构分别焊接口罩本体的长边和短边，其中，短边焊接机构通过送料模组实现耳带的输送，耳带移动输送至预定位置后，第一焊接组件动作同时对口罩的短边及耳带进行焊接，与此同时，带动裁切组件对口罩本体的短边及耳带进行裁切，从而将口罩本体短边的焊接工序、耳带的焊接工序、耳罩本体短边的裁切工序和耳带裁切工序合为一道工序，有效地提高了生产效率，此实用新型用于口罩生产制造技术领域。

Description

口罩焊接装置及口罩制造设备 技术领域
本发明涉及口罩生产制造技术领域，特别涉及口罩焊接装置及口罩制造设备。
背景技术
口罩结构包括口罩本体和耳带，目前，现有技术中用于生产口罩的口罩机，通常采用“一拖二”结构形式进行布置，即口罩本体通过上游的一个口罩本体制造装置形成，然后在下游分别设置两个口罩耳带焊接装置进行口罩两侧耳带的焊接作业，口罩本体制造装置和两个口罩耳带焊接装置之间设置翻边输送线，该种“一拖二”口罩机存在以下问题：
1、耳带焊接效率低。现有的“一拖二”口罩机的耳带焊接装置，口罩两侧耳带需要设置专门的耳带输送、缠绕、裁切、焊接等多个机构进行相互配合，将耳带或耳绳输送就位并将耳带或耳绳裁切成预定合适长度，进而通过超声波焊接工艺将耳带焊接固定在口罩本体左右两侧，其中需要使用多个夹手配合动作夹持耳带，结构复杂，设备故障率高，也因此导致了口罩耳带焊接装置的焊接效率低下，在一定程度上限制了口罩的生产效率。由于口罩耳带焊接装置的焊接效率较低，上游的口罩本体制造装置的生产较快，为了使生产速度匹配，才有了“一拖二”结构形式，即下游需要使用两个口罩耳带焊接装置，用以分配前道工序过来的口罩本体。
2、口罩本体制造装置对口罩的侧边进行封边焊接，采用超声波焊接，结构上通常采用滚压的方式，即下方设置固定一个超声波模头，上方设置一个旋转滚动的滚筒，随着口罩布料的输送，滚筒与超声波模头配合将口罩进行封边焊接。上述口罩本体封边焊接的结构形式，长期使用容易导致下方的超声波模头磨损，造成口罩封边焊接不牢，产品质量下降；此外，超声波模头和滚筒的尺寸是与口罩的尺寸相对应的，一台机同一套模只能生产一种规格尺寸的口罩，如果生产另外一种规格的口罩，需要使用另外一台设备。
3、上游的口罩本体制造装置和下游的口罩耳带焊接装置，是独立分离的两个装置，并且由于口罩本体制造装置工作时口罩本体摆置的方向，与口罩耳带焊接装置工作时口罩本体摆置的方向是不同的，两者互成90°，因此口罩本体制造装置和口罩耳带焊接装置之间需要设置翻边输送线，用于将口罩本体翻转90°，也因此导致了设备整体结构复杂，生产线冗长，生产效率低。
4、生产工艺复杂，“一拖二”口罩机的生产工艺为：口罩本体布料的封边焊接→裁切布料形成分割的口罩本体→翻边输送线输送→耳带送料及裁切→耳带焊接→口罩出料。
发明内容
本发明的目的在于至少解决现有技术中存在的技术问题之一，提供一种口罩焊接装置及口罩制造设备，能够有效提高生产效率。
本发明实施例还提供一种口罩焊接装置，包括：
长边焊接机构，用于焊接口罩本体的长边；
短边焊接机构，设置在所述长边焊接机构的下游，用于焊接口罩本体的短边及口罩耳带，其中，所述短边焊接机构包括：
送料模组，所述送料模组包括至少一个限位槽和至少一个与所述限位槽连通的气流通道，所述限位槽具有耳带入口和耳带出口，其中，所述气流通道被设置为通入气流，以使气流能够带动耳带沿着所述限位槽进行输送；
送料组件，用于选择性锁定耳带以限制耳带输送；
第一焊接组件，设置在所述送料模组的耳带入口和耳带出口处，所述第一焊接组件包括相互配合的第一焊接模头和第二焊接模头；以及
裁切组件，所述裁切组件设在所述第一焊接模头和/或第二焊接模头上，用于裁切口罩本体及口罩耳带。
上述口罩制造设备至少具有以下有益效果：通过长边焊接机构和短边焊接机构分别焊接口罩本体的长边和短边，其中，短边焊接机构通过送料模组和送料组件实现耳带的输送，通过气流通道将气流引入限位槽内，借助气流带动耳带在限位槽内移动输送，耳带移动输送至预定位置后，第一焊接组件动作同时对口罩的短边及耳带进行焊接，与此同时，带动裁切组件对口罩本体的短边及耳带进行裁切，从而将口罩本体短边的焊接工序、耳带的焊接工序、耳罩本体短边的裁切工序和耳带裁切工序合为一道工序，有效地提高了口罩焊接装置的工作效率，进而提高口罩的生产效率，整体结构设置简单紧凑，摒弃传统口罩机的复杂结构设计，故障率低。
根据本发明实施例所述的口罩焊接装置，所述第一焊接模头端部设置凸刃，所述第二焊接模头端部设置与所述凸刃配合的凹口。
根据本发明实施例所述的口罩焊接装置，所述第一焊接模头端部设置开口，在所述第一焊接模头内设置经所述开口伸出的刀具，所述第二焊接模头端部设置与所述刀具配合的凹口。
根据本发明实施例所述的口罩焊接装置，所述送料模组包括间隔设置并具有预定间隙的第一送料模块和第二送料模块，所述第一送料模块包括具有第一耳带入口和第一耳带出口的第一限位槽，所述第二送料模块包括具有第二耳带入口和第二耳带出口的第二限位槽，所述第一耳带入口与所述第二耳带出口相对，所述第一耳带出口与所述第二耳带入口相对，所述第一焊接组件设置在所述预定间隙处。
根据本发明实施例所述的口罩焊接装置，在所述第一送料模块和/或第二送料模块上设置与所述第一限位槽和/或第二限位槽对应连通的入料通道。
根据本发明实施例所述的口罩焊接装置，所述气流通道与所述入料通道相邻设置，所述气流通道与所述入料通道相交且在相交处形成锐角。
根据本发明实施例所述的口罩焊接装置，所述限位槽的路径呈半环形。
根据本发明实施例所述的口罩焊接装置，所述限位槽为底面敞口或侧面敞口的凹槽结构。
根据本发明实施例所述的口罩焊接装置，还包括用于驱使耳带脱离所述限位槽的脱料组件。
根据本发明实施例所述的口罩焊接装置，在所述送料模组内设置与所述限位槽连通的脱料气孔，所述脱料气孔被设置为选择性通入气流，以使口罩耳带脱离所述限位槽。
根据本发明实施例所述的口罩焊接装置，所述送料模组还包括至少一个选择性覆盖所述限位槽的侧面敞口的脱料模块。
根据本发明实施例所述的口罩焊接装置，所述送料组件包括两个抵顶接触的滚轮，两个所述滚轮抵压耳带以选择性锁定耳带。
根据本发明实施例所述的口罩焊接装置，所述长边焊接机构包括两个第二焊接组件，两个所述第二焊接组件间隔设置，所述第二焊接组件包括相互配合的第三焊接模头和第四焊接模头。
根据本发明实施例所述的口罩焊接装置，两个所述第二焊接组件之间的间距设置为能够调节。
本发明实施例还提供一种口罩制造设备，包括上述的口罩焊接装置。
上述口罩制造设备至少具有以下有益效果：通过上述口罩焊接装置，将口罩本体短边的焊接工序、耳带的焊接工序、耳罩本体短边的裁切工序和耳带裁切工序合为一道工序，有效地提高口罩的生产效率。
根据本发明实施例所述的口罩制造设备，还包括机箱体和气源过滤装置，所述口罩焊接装置设于所述机箱体内，所述机箱体设置为内部相对于外部具有正压，所述气源过滤装置用于过滤进入所述机箱体内部的空气。
根据本发明实施例所述的口罩制造设备，所述机箱体内设有杀菌装置。
附图说明
下面结合附图和实施例对本发明进一步地说明；
图1为本发明口罩焊接装置实施例的结构示意图；
图2为本发明口罩焊接装置实施例中短边焊接机构的局部结构示意图；
图3为本发明口罩焊接装置实施例中短边焊接机构的局部结构剖面示意图；
图4为本发明口罩焊接装置实施例中送料模组第一实施方式的局部结构剖面示意图；
图5为本发明口罩焊接装置实施例中送料模组第二实施方式的局部结构剖面示意图；
图6为本发明口罩焊接装置实施例中送料模组第三实施方式的局部结构剖面示意图；
图7为本发明口罩焊接装置实施例中气流通道与入料通道重合的局部结构剖面示意图；
图8为本发明口罩焊接装置实施例中进气头的局部结构剖面示意图；
图9为本发明口罩焊接装置实施例中第一焊接组件第一实施方式的局部结构剖面示意图；
图10为本发明口罩焊接装置实施例中第一焊接组件第二实施方式的局部结构剖面示意图；
图11为本发明口罩焊接装置实施例中耳带脱离限位槽的第一实施方式的局部结构剖面示意图；
图12为本发明口罩焊接装置实施例中耳带脱离限位槽的第二实施方式的局部结构剖面示意图；
图13为本发明口罩焊接装置实施例中耳带脱离限位槽的第三实施方式的局部结构剖面示意图；
图14为图13中A-A线的剖面示意图；
图15为图13中A-A线耳带脱离限位槽过程的剖面示意图；
图16为本发明口罩焊接装置实施例中长边焊接机构的局部结构示意图；
图17为本发明口罩焊接装置实施例中长边焊接机构的避让结构的局部剖面示意图；
图18为本发明口罩制造设备实施例的结构示意图；
图19为本发明口罩制造设备实施例中机箱体的结构示意图；
附图标记：耳带10、口罩本体20、短边焊接机构30、长边焊接机构40、布料输送机构50、褶皱成型机构60、鼻梁条输送机构70、机箱体80、鼓风机81、紫外灯82、送料模组100、限位槽150、耳带入口151、耳带出口152、第一送料模块110、第二送料模块120、第一限位槽111、第二限位槽121、第一耳带入口1111、第一耳带出口1112、第二耳带入口1211、第二耳带出口1212、气流通道130、软管131、进气头132、环形槽1321、进气孔1322、入料通道140、送料组件200、滚轮210、第一焊接组件300、第一焊接模头310、第二焊接模头320、凸刃311、开口312、刀具313、凹口321、第二焊接组件400、第三焊接模头410、第四焊接模头420、避让结构411、脱料组件500、推杆构件510、脱料气孔520、第一脱料模块112、第二脱料模块122、机架90、长槽91。
具体实施方式
本部分将详细描述本发明的具体实施例，本发明之较佳实施例在附图中示出，附图的作用在于用图形补充说明书文字部分的描述，使人能够直观地、形象地理解本发明的每个技术特征和整体技术方案，但其不能理解为对本发明保护范围的限制。
参照图1，本发明实施例提供一种口罩焊接装置，包括长边焊接机构40和短边焊接机构30，其中，长边焊接机构40用于焊接口罩本体20的长边；短边焊接机构30设置在长边焊接机构40的下游，用于焊接口罩本体20的短边及口罩耳带10。生产口罩本体20的布料沿着预定方向不断连续输送，由长边焊接机构40向短边焊接机构30的方向输送。
参照图2，在本实施例中，短边焊接机构30包括：送料模组100，送料模组100包括至少一个限位槽150和至少一个与限位槽150连通的气流通道130，限位槽150具有耳带入口151和耳带出口152，限位槽150的首尾两端分别构成耳带入口151和耳带出口152，其中，气流通道130被设置为通入气流，以使气流能够带动耳带10沿着限位槽150进行输送；送料组件200，用于选择性锁定耳带10以限制耳带10输送；第一焊接组件300，设置在送料模组100的耳带入口151和耳带出口152处，第一焊接组件300包括相互配合的第一焊接模头310和第二焊接模头320；以及裁切组件，裁切组件设在第一焊接模头310和/或第二焊接模头320上，用于裁切口罩本体20及口罩耳带10。
本实施例的口罩焊接装置，通过长边焊接机构40和短边焊接机构30分别焊接口罩本体20的长边和短边。其中，短边焊接机构30通过送料模组100和送料组件200实现耳带10的输送，送料模组100的限位槽150引导耳带10的输送，通过气流通道130将气流引入限位槽150内，借助气流带动耳带10在限位槽150内移动输送，同时，通过送料组件200控制耳带10，限制耳带10在限位槽150自由移动，保证耳带10移动输送至预定位置(口罩本体20的短边上)。
耳带10输送完毕后，第一焊接组件300动作同时对口罩本体20的短边及耳带10进行焊接，与此同时，第一焊接组件300会带动裁切组件对口罩本体20的短边及耳带10进行裁切，从而将口罩本体20短边的焊接工序、耳带10的焊接工序、耳罩本体短边的裁切工序和耳带10裁切工序合为一道工序，有效地提高了口罩焊接装置的工作效率，进而提高了口罩的生产效率，整体结构设置简单紧凑，摒弃了传统口罩机的复杂结构设计，设备故障率低。
在其中的一些实施例中，送料模组100的限位槽150设于底面，为底面敞口的凹槽结构。耳带10输送至预定位置并剪断后，通过第一焊接组件300焊接于口罩本体20的短边上，限位槽150为底面敞口的凹槽结构，便于耳带10焊接后耳带10随着口罩本体20的输送脱离限位槽150。
在本实施例的描述中，上、下的方位朝向如图2标注所示，为了便于直观理解送料模组100的结构形式，图示中送料模组100的底面朝上；在实际生产加工中，送料模组100的底面是朝下的，生产口罩本体20的布料沿着预定的方向不断连续输送，送料模组100设于口罩本体20的上方，送料模组100的底面大约贴着口罩本体20的上表面，参照图1。
参照图3，在本实施例中，具体地，送料模组100包括间隔设置并具有预定间隙的第一送料模块110和第二送料模块120，第一焊接组件300设置在预定间隙处，在第一送料模块110的底面设置第一限位槽111，在第二送料模块120的底面设置第二限位槽121，第一限位槽111和第二限位槽121均为凹槽或嵌槽结构，即在第一送料模块110和第二送料模块120的底面挖槽，第一限位槽111和第二限位槽121在水平方向或者同一个平面内的路径均呈半环形，两者大致呈对称形式分布，第一限位槽111和第二限位槽121组合形成的路径在水平方向或者同一个平面内呈环形或者跑道形，第一限位槽111的首尾两端分别构成第一耳带入口1111和第一耳带出口1112，第二限位槽121的首尾两端分别构成第二耳带入口1211和第二耳带出口1212，使得耳带10能够顺利经过第一限位槽111和第二限位槽121。
其中，第一耳带入口1111与第二耳带出口1212相对，第一耳带出口1112与第二耳带入口1211相对，耳带10从第一限位槽111的第一耳带入口1111进入，经过第一限位槽111的第一耳带出口1112送出后，又从第二限位槽121的第二耳带入口1211进入，再经第二限位槽121的第二耳带出口1212送出，即耳带10能够在第一限位槽111和第二限位槽121内呈逆时针方向不断地循环移动输送。为了便于耳带10能够顺利通过第二耳带入口1211进入第二限位槽121和通过第一耳带入口1111进入第一限位槽111，第一耳带入口1111和第二耳带入口1211均设置倒角结构。
参照图4，在本发明实施例中，在第二送料模块120内部设置与第二限位槽121连通的气流通道130，气流通道130被设置为通入气流，气流经过气流通道130进入第一限位槽111和第二限位槽121大致沿逆时针方向流动，在气流的作用下，耳带10随着气流被带动，进而在第一限位槽111和第二限位槽121呈逆时针方向移动输送。
可以理解的是，气流的强度的可以根据实际情况灵活选择，只要能够带动或吹动耳带10进行移动输送即可。
在本发明实施例中，在第二送料模块120内设置与第二限位槽121连通入料通道140，入料通道140用于供耳带10进入送料模组100内，气流通道130与入料通道140相邻设置，气流通道130与入料通道140相交，气流经过气流通道130进入，带动位于入料通道140内的耳带10移动进入第一限位槽111、第二限位槽121，其中，在气流通道130与入料通道140相交处，两者之间的中心轴线之间形成锐角，即在相交处气流在气流通道130内的流动方向与耳带10在入料通道140内的输送方向构成锐角，有利于气流带动耳带10移动输送。
在本发明实施例中，耳带10的移动输送的位置通过送料组件200进行控制，具体地，送料组件200包括两个抵顶接触的滚轮210，耳带10从两个滚轮210之间穿过，两个滚轮210夹住耳带10，此时耳带10被锁定，无法移动输送，当两个滚轮210同步反向旋转时，通过滚动抵压耳带10使得耳带10能够在气流的作用下进行移动输送，当两个滚轮210停止旋转时，耳带10的移动输送暂停，如此，在两个滚轮210滚动控制耳带10和气流带动控制耳带10的双重作用下，使得耳带10的端部能够刚好经第二限位槽121的第二耳带出口1212露出部分，进而使得耳带10在第一限位槽111、第二限位槽121内呈环形或跑道形排布，以便于进行后续的焊接和裁切工序。
通过送料模组100和送料组件200两者的协同配合，使得耳带10在第一限位槽111、第二限位槽121内移动输送并呈环形或跑道形排布，以便于后续能够一次性焊接两个口罩耳带10，并且同时焊接口罩本体20的短边以及裁切耳带10、裁切口罩本体20的短边，有效地提高生产效率。
其中，气流是连续不断地经气流通道130吹入，能够通过气流带动耳带10移动输送，而两个滚轮210只有在同步反向旋转时的情况下，耳带10才会随着气流移动输送，只要控制两个滚轮210的旋转动作的频率和时间即可准确控制耳带10输送位置，即通过控制两个滚轮210的旋转动作就能够选择性地锁定耳带10。
可以理解的是，也可以是两个滚轮210同步反向旋转预先输送预定长度的耳带10，然后两个滚轮210停止旋转，锁定耳带10，再向气流通道130通入气流，通过气流带动耳带10进入第一限位槽111、第二限位槽121内移动输送并呈环形或跑道形排布，即气流还可以被设置为间歇性通气。
当然地，在另外一些实施例中，送料组件200也可以只设置一个滚轮210，滚轮210被设置抵压在一个平面上，耳带10从滚轮210与平面之间穿过，滚轮210压住耳带10，此时耳带10被锁定，无法移动输送，当滚轮210旋转时，通过滚动抵压耳带10使得耳带10能够在气流的作用下进行移动输送，当滚轮210停止旋转时，耳带10的移动输送暂停。
在另外一些实施例中，送料组件200还可以设置为夹持机构，能够夹住或松开耳带10，即能够选择性锁定耳带10，同样地，只有在夹持机构松开耳带10的情况下，耳带10才会随着气流移动输送。
参照图5，在其中一些实施例中，可以在第一送料模块110和第二送料模块120上分别设有独立的气流通道130，通过各自的气流 通道130分别引导气流进入第一限位槽111、第二限位槽121，从而带动耳带10移动输送。
可以理解的是，气流通道130的数量还可以设置为多个，本领域技术人员可以根据实际情况灵活选择，只要气流通道130被构造成有利于耳带10在气流带动下移动输送即可，例如气流通道130与第一限位槽111和/或第二限位槽121之间相切。
参照图6，在其中一些实施例中，可以在第一送料模块110和第二送料模块120上分别设置独立的入料通道140，相应地，设置两个送料组件200用于分别提供两条耳带10各自对应输送进入第一限位槽111、第二限位槽121内，每条耳带10的滚动控制和气流带动控制与前述方式相同，在此不在赘述，每条耳带10进行移动输送对应在第一限位槽111、第二限位槽121内环绕呈半环形，两条耳带10相互组合即可构成环形或跑道形，从而便于后续能够一次性焊接两个口罩耳带10，有效地提高生产效率。
当然，可以理解的是，送料模组100可以仅仅设置单个限位槽150与单个的送料组件200相互配合，将耳带10引导输送在限位槽150内呈半环形排布，以将耳带10焊接在口罩本体20的其中一侧，如此，即一次性只能焊接一个口罩耳带10。
在其中的一些实施例中，气流通道130与入料通道140可以二合为一，即只设置气流通道130，耳带10从气流通道130进入，气流直接带动位于气流通道130内的耳带10进入第一限位槽111、第二限位槽121。
参照图7和图8，气流通道130可与入料通道140二合为一，即耳带10沿气流通道130进入第一限位槽111、第二限位槽121，同时气流从气流通道130通入第一限位槽111、第二限位槽121，气流通道130可连接外部一软管131作为进气管，在软管131的端部设置一进气头132，进气头132的内部具有环形槽1321，环形槽1321靠近软管131的一端开口，进气头132的侧壁设有连通环形槽1321的通孔作为进气孔1322。耳带10穿过软管131进入气流通道130，从进气孔1322通入气流，气流携带耳带10同时进入软管内，进而使得耳带10从气流通道130直接进入第一限位槽111、第二限位槽121内。
在本发明实施例中，第一焊接组件300设置在第一送料模块110与第二送料模块120之间的预定间隙处，当耳带10通过送料模组100和送料组件200作用输送至预定位置呈环形或跑道形排布时，第一焊接组件300动作将呈环形或跑道形的耳带10焊接在口罩本体20上，在焊接的同时，将耳带10和口罩本体20进行裁切，进而分开形成独立的口罩。
参见图9，第一焊接组件300包括上下布置相互配合的第一焊接模头310和第二焊接模头320，通过驱动第一焊接模头310与第二焊接模头320闭合动作进行焊接作业，可以理解的是，第一焊接模头310与第二焊接模头320相互配合动作可以是同时驱动两个焊接模头闭合动作，或者是仅驱动其中一个焊接模头闭合动作，均能够实现焊接动作。第一焊接模头310和第二焊接模头320通过超声波焊接工艺对口罩及耳带10焊接，超声波焊接工艺属于本领域的常规技术，在此不再赘述。
第一焊接模头310和第二焊接模头320对耳带10进行焊接的同时，其同样与口罩本体20的短边接触，因而能够同时对口罩本体20的短边进行焊接。
在本发明实施例中，在第一焊接模头310和第二焊接模头320上设置裁切组件，即裁切组件集成在第一焊接组件300上，裁切组件用于裁切口罩本体20及耳带10，具体地，在第一焊接模头310的端部设置开口312，第一焊接模头310的内部设置用于切割的刀具313，刀具313从开口312伸出，第二焊接模头320的端部设置能够供刀具313伸入的凹口321，当第一焊接模头310与第二焊接模头320闭合进行焊接作业时，凸出的刀具313能够切断口罩本体20及耳带10，从而第一焊接组件300对耳带10进行焊接的同时，也对口罩本体20和耳带10进行裁切，由于耳带10呈环形或跑道形排布，且切断位置处于中间，第一焊接组件300动作能够一次性将两个口罩耳带10焊接固定在口罩本体20上，将口罩及耳带10切断工序、口罩本体20短边及耳带10焊接工序合而为一，最大限度地简化机械结构，减少机械零部件，使得机械结构故障率更低，结构简单降低成本。
参照图10，在其中一些实施例中，裁切组件还可以设置其他结构形式，例如第一焊接模头310端部凸出设置凸刃311，第二焊接模头320的端部设置能够供凸刃311伸入的凹口321，当第一焊接模头310与第二焊接模头320闭合进行焊接作业时，凸出的凸刃311能够切断口罩本体20及耳带10，从而第一焊接组件300对耳带10及口罩本体20的短边进行焊接的同时，也对口罩本体20和耳带10进行裁切。
本实施例的短边焊接机构30，通过送料模组100的限位槽150的引导和借助气流的作用，实现耳带10的输送，将耳带10绕城环形或半环形并置于口罩本体20的短边上，避免使用传统口罩机的多个配合动作的夹手，简化了结构，并且将第一焊接组件300设于限位槽150的耳带入口151和耳带出口152处，即绕成的环形耳带10的中部或者半环形耳带10的端部，因此使得能够在焊接口罩本体20的短边的同时，实现耳带10的焊接、耳带10的裁切以及口罩本体20的裁切，并且，也因此使得口罩本体20的焊接和耳带10的焊接能够在同一布料输送线上进行，不需要设置传统口罩机的翻边输送线，大大减小了生产线的长度，提高了生产效率，也因此不再 需要“一拖二”，避免使用两个口罩耳带10焊接装置。
本发明实施例口罩耳带焊接装置还可以包括脱料组件500，脱料组件500用于驱使耳带顺利脱离限位槽，使得耳带能够顺畅地随着口罩本体20移动。
参照图11，脱料组件500可以为设置在限位槽内的推杆构件510，推杆构件510的推动方向与限位槽的开口方向一致，当通过第一焊接组件300进行口罩及耳带焊接的同时，推杆构件510动作推动耳带，使得耳带脱出限位槽。
参照图12，脱料组件500还可以采用气泵(未画出)，通过在送料模组100内设置与限位槽连通的脱料气孔520，脱料气孔520的方向与限位槽的开口方向一致，气泵与脱料气孔520相连，气泵提供高压气流，气流通过脱料气孔520进入限位槽，当通过第一焊接组件300进行口罩及耳带焊接的同时，通过气流将耳带吹离限位槽。
当然地，当通过第一焊接组件300进行口罩及耳带焊接时，由于送料模组100的底面是朝下的，即限位槽的开口方向朝下，耳带在自身重力作用下也能够脱离限位槽。
参照图13至图15，在其中一些实施例中，第一送料模块110还包括第一脱料模块112，第一送料模块110的第一限位槽111设置为水平朝内，即第一限位槽111的侧面敞口的开口方向水平朝内，第一脱料模块112的侧壁遮挡、覆盖第一限位槽111，使得第一限位槽111构成相对封闭的槽道，第一脱料模块112设置为能够上下移动，当第一脱料模块112向上移动时，第一限位槽111为侧面敞开的结构形式；同样地，第二送料模块120还包括第二脱料模块122，第二送料模块120的第二限位槽121设置为水平朝内，即第二限位槽121的侧面敞口的开口方向水平朝内，第二脱料模块122的侧壁遮挡、覆盖第二限位槽121，使得第二限位槽121构成相对封闭的槽道，第二脱料模块122设置为能够上下移动，当第二脱料模块122向上移动时，第二限位槽121为侧面敞开的结构形式。
当通过第一焊接组件300进行口罩及耳带焊接时，控制第一脱料模块112和第二脱料模块122同步向上移动，位于第一限位槽111、第二限位槽121内的耳带自动滑落脱离实现脱料作业。
参照图16，在本实施例中，长边焊接机构40包括两个第二焊接组件400，两个第二焊接组件400间隔设置，第二焊接组件400包括上下布置相互配合的第三焊接模头410和第四焊接模头420，通过驱动第三焊接模头410与第四焊接模头420闭合动作进行焊接作业。
两个第二焊接组件400分别焊接口罩本体20的两个长边，单个第二焊接组件400采用上下动作配合的第三焊接模头410和第四焊接模头420，第三焊接模头410和第四焊接模头420仅在焊接时相互配合，与传统口罩机采用滚压的方式焊接口罩本体20的长边相比，能够减少两个焊接模头的接触磨损，进而提高口罩本体20封边焊接的质量。
可以理解的是，第三焊接模头410与第四焊接模头420相互配合动作可以是同时驱动两个焊接模头闭合动作，或者是仅驱动其中一个焊接模头闭合动作，均能够实现焊接动作。同样地，第三焊接模头410和第四焊接模头420采用超声波焊接工艺进行焊接。
口罩具有多种规格，如成人口罩和儿童口罩，不同规格的口罩，其两个长边之间的距离不同。传统的口罩机，一台机同一套模只能生产一种规格尺寸的口罩，本实施例中，两个第二焊接组件400之间的间距设置为能够调节，从而可适应不同规格尺寸口罩的长边焊接，能够生产不同规格的口罩。
可以理解的是，调节两个第二焊接组件400之间的间距，可以是同时调节两个焊接组件的位置，也可以是仅调节其中一个焊接组件的位置，并且其可以采用不同的结构形式，例如：第二焊接组件400可滑动地设于机架90上，调节第二焊接组件400移动，即可调节两个第二焊接组件400之间的间距，调节完毕后通过紧固件固定，避免其滑移，参照图16，第二焊接组件400的位置可沿长槽91滑动调节；或者可在机架90上设置若干个第二焊接组件400的安装位，每个安装位对应不同的间距，也相应的对应不同规格尺寸的口罩。
口罩本体20的其中一个长边通常设置有鼻梁条，在本实施例中，焊接设置了鼻梁条的口罩本体20长边的第三焊接模头410的端部设有避开鼻梁条的避让结构411，参照图17。
参照图18，本发明实施例还提供一种口罩制造设备，包括上述的口罩焊接装置，以及包括布料输送机构50、褶皱成型机构60和鼻梁条输送机构70等，其中，布料输送机构50、褶皱成型机构60、鼻梁条输送机构70等均为现有技术，其具体结构在此不再赘述。
参照图19，在本实施例中，口罩制造设备的外部设置机箱体80，口罩焊接装置等装置机构均设于机箱体80内，机箱体80设置为内部相对于外部具有正压，具体地，可在机箱体80内设置鼓风机81或风机、气泵等，并配置气源过滤装置，防止外部未经过过滤的空气进入设备内部，如此，使设备内部形成一个相对封闭的环境，避免外部空气或者人为活动污染口罩的生产。
进一步地，机箱体80内设有杀菌装置，以进一步保证设备内部的环境清洁，具体地，杀菌装置可以为紫外灯82，或者将制造完成的口罩置于高温消毒空间内，或者通入环氧乙烷杀菌等。
机箱体80上可设置部分开关门，以便于输出口罩以及工作人员进行布料更换、检修维护等活动，开关门的边框处设置密封条，以保证密封性。
本实施例的口罩制造设备，将传统口罩机的复杂结构和工艺简化，传统的口罩机分别设置多个独立的机构或装置分别完成多个生产工序，本实施例的口罩制造设备通过上述的口罩焊接装置，实现口罩的长边焊接和短边焊接，其中，焊接短边的同时，进行耳带10的焊接、耳带10的裁切和口罩短边的裁切，进而大大简化生产工艺和设备结构，缩短生产线长度，减小设备整体体积，可置于一机箱体80内，保证生产环境的洁净，同时可对口罩杀菌消毒。
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本发明中的具体含义。
上面结合附图对本发明实施例作了详细说明，但是本发明不限于上述实施例，在所述技术领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化。

Claims (17)

  1. 口罩焊接装置，其特征在于，包括：
    长边焊接机构，用于焊接口罩本体的长边；
    短边焊接机构，设置在所述长边焊接机构的下游，用于焊接口罩本体的短边及口罩耳带，其中，所述短边焊接机构包括：
    送料模组，所述送料模组包括至少一个限位槽和至少一个与所述限位槽连通的气流通道，所述限位槽具有耳带入口和耳带出口，其中，所述气流通道被设置为通入气流，以使气流能够带动耳带沿着所述限位槽进行输送；
    送料组件，用于选择性锁定耳带以限制耳带输送；
    第一焊接组件，设置在所述送料模组的耳带入口和耳带出口处，所述第一焊接组件包括相互配合的第一焊接模头和第二焊接模头；以及
    裁切组件，所述裁切组件设在所述第一焊接模头和/或第二焊接模头上，用于裁切口罩本体及口罩耳带。
  2. 根据权利要求1所述的口罩焊接装置，其特征在于：所述第一焊接模头端部设置凸刃，所述第二焊接模头端部设置与所述凸刃配合的凹口。
  3. 根据权利要求1所述的口罩焊接装置，其特征在于：所述第一焊接模头端部设置开口，在所述第一焊接模头内设置经所述开口伸出的刀具，所述第二焊接模头端部设置与所述刀具配合的凹口。
  4. 根据权利要求1至3任意一项所述的口罩焊接装置，其特征在于：所述送料模组包括间隔设置并具有预定间隙的第一送料模块和第二送料模块，所述第一送料模块包括具有第一耳带入口和第一耳带出口的第一限位槽，所述第二送料模块包括具有第二耳带入口和第二耳带出口的第二限位槽，所述第一耳带入口与所述第二耳带出口相对，所述第一耳带出口与所述第二耳带入口相对，所述第一焊接组件设置在所述预定间隙处。
  5. 根据权利要求4所述的口罩焊接装置，其特征在于：在所述第一送料模块和/或第二送料模块上设置与所述第一限位槽和/或第二限位槽对应连通的入料通道。
  6. 根据权利要求5所述的口罩焊接装置，其特征在于：所述气流通道与所述入料通道相邻设置，所述气流通道与所述入料通道相交且在相交处形成锐角。
  7. 根据权利要求4所述的口罩焊接装置，其特征在于：所述限位槽的路径呈半环形。
  8. 根据权利要求7所述的口罩焊接装置，其特征在于：所述限位槽为底面敞口或侧面敞口的凹槽结构。
  9. 根据权利要求8所述的口罩焊接装置，其特征在于：还包括用于驱使耳带脱离所述限位槽的脱料组件。
  10. 根据权利要求9所述的口罩焊接装置，其特征在于：在所述送料模组内设置与所述限位槽连通的脱料气孔，所述脱料气孔被设置为选择性通入气流，以使口罩耳带脱离所述限位槽。
  11. 根据权利要求9所述的口罩耳带焊接装置，其特征在于：所述送料模组还包括至少一个选择性覆盖所述限位槽的侧面敞口的脱料模块。
  12. 根据权利要求1所述的口罩焊接装置，其特征在于：所述送料组件包括两个抵顶接触的滚轮，两个所述滚轮抵压耳带以选择性锁定耳带。
  13. 根据权利要求1所述的口罩焊接装置，其特征在于：所述长边焊接机构包括两个第二焊接组件，两个所述第二焊接组件间隔设置，所述第二焊接组件包括相互配合的第三焊接模头和第四焊接模头。
  14. 根据权利要求13所述的口罩焊接装置，其特征在于：两个所述第二焊接组件之间的间距设置为能够调节。
  15. 口罩制造设备，其特征在于，包括权利要求1至14任意一项所述的口罩焊接装置。
  16. 根据权利要求15所述的口罩制造设备，其特征在于：还包括机箱体和气源过滤装置，所述口罩焊接装置设于所述机箱体内，所述机箱体设置为内部相对于外部具有正压，所述气源过滤装置用于过滤进入所述机箱体内部的空气。
  17. 根据权利要求16所述的口罩制造设备，其特征在于：所述机箱体内设有杀菌装置。
PCT/CN2020/090233 2020-04-20 2020-05-14 口罩焊接装置及口罩制造设备 WO2021212572A1 (zh)

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