CN112075709B - Edge-folding and heat-sealing device for medical mask production and fusion method thereof - Google Patents
Edge-folding and heat-sealing device for medical mask production and fusion method thereof Download PDFInfo
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- CN112075709B CN112075709B CN202011184751.5A CN202011184751A CN112075709B CN 112075709 B CN112075709 B CN 112075709B CN 202011184751 A CN202011184751 A CN 202011184751A CN 112075709 B CN112075709 B CN 112075709B
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000007500 overflow downdraw method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 69
- 239000004744 fabric Substances 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims description 46
- 238000007731 hot pressing Methods 0.000 claims description 45
- 238000004026 adhesive bonding Methods 0.000 claims description 42
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 238000005520 cutting process Methods 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 238000010073 coating (rubber) Methods 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 abstract 3
- 238000009957 hemming Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
-
- 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
- A41H43/025—Folding, unfolding or turning over
- A41H43/0257—Folding
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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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a hem heat-sealing device for medical mask production and a fusion method thereof, relates to the technical field of medical mask production, and aims to solve the problems that a hem and heat-sealing mechanism used in the existing medical mask production is usually independent equipment, only a cut independent mask piece can be processed, and the adaptability to a production line is low. Including first rack, the second rack is installed to the front end of first rack, the front end of second rack is provided with band conveyer, braced frame is all installed to the both sides of first rack upper surface, install outer non-woven fabrics unreel wheel between the braced frame, the front end that outer non-woven fabrics unreeled wheel is provided with middle cloth unreeling wheel that melts, the front end that middle cloth unreeled wheel that melts is provided with inlayer non-woven fabrics unreels wheel, outer non-woven fabrics unreels wheel, middle cloth unreel wheel that melts and spouts and inlayer non-woven fabrics unreel wheel all rotate with braced frame and be connected.
Description
Technical Field
The invention relates to the technical field of medical mask production, in particular to a folding and heat-sealing device for medical mask production and a fusion method thereof.
Background
The medical mask is mainly made by compounding one or more layers of non-woven fabrics, and the main production process comprises melt-blowing, spun-bonding, hot air or needling and the like, has the effects of resisting liquid, filtering particles, bacteria and the like, and is a textile for medical protection. The medical mask comprises a mask body and a tightening belt, wherein the mask body is divided into an inner layer, a middle layer and an outer layer, the inner layer is made of a skin-friendly material (common sanitary gauze or non-woven fabric), the middle layer is an isolation filter layer (superfine polypropylene fiber melt-blown material layer), and the outer layer is a special material antibacterial layer (non-woven fabric or ultrathin polypropylene melt-blown material layer).
However, the folding and heat-sealing mechanisms used in the production of the existing medical masks are usually independent devices, and only the cut independent masks can be processed, so that the adaptability to the production line is low; therefore, the existing requirements are not met, and a folding and heat-sealing device for producing the medical mask and a fusion method thereof are provided.
Disclosure of Invention
The invention aims to provide a hem heat-sealing device for medical mask production and a fusion method thereof, and aims to solve the problems that a hem and a heat-sealing mechanism used for the existing medical mask production in the background technology are usually independent equipment, only a cut independent mask piece can be processed, and the adaptability to a production line is low.
In order to achieve the purpose, the invention provides the following technical scheme: a hem sealing device for medical mask production comprises a first rack, wherein a second rack is installed at the front end of the first rack, a belt conveyor is arranged at the front end of the second rack, supporting frames are installed on two sides of the upper surface of the first rack, an outer non-woven fabric unwinding wheel is installed between the supporting frames, a middle melt-blown fabric unwinding wheel is arranged at the front end of the outer non-woven fabric unwinding wheel, an inner non-woven fabric unwinding wheel is arranged at the front end of the middle melt-blown fabric unwinding wheel, the outer non-woven fabric unwinding wheel, the middle melt-blown fabric unwinding wheel and the inner non-woven fabric unwinding wheel are rotatably connected with the supporting frames, a first guide roller is arranged above the first rack, a first gluing carrier roller is arranged at the front end of the first guide roller, first glue injecting gun heads are arranged on two sides above the first gluing carrier roller, and a first press-fit roller is arranged at the front end of the first gluing carrier roller, the first pressing roller is provided with two first guide rollers, the front end of each first pressing roller is provided with a second guide roller, the two sides of each first guide roller, each first gluing carrier roller, each first pressing roller and each second guide roller are respectively provided with a first support, the first guide rollers, the first gluing carrier rollers, the first pressing rollers and the second guide rollers are respectively and rotatably connected with the first supports, the lower end of each first support is fixedly connected with the first rack, the upper part of one end of the second rack is provided with a second gluing carrier roller, the two sides above the second gluing carrier rollers are respectively provided with a second glue injection gun head, the front end of each second gluing carrier roller is provided with two second pressing rollers, the two sides of each second gluing carrier roller and each second pressing roller are respectively provided with a second support, the second gluing carrier rollers and the second pressing rollers are respectively and rotatably connected with the second supports, and the front ends of the second pressing rollers are respectively provided with a hot pressing mechanism, the front end of hot pressing mechanism is provided with the tight mechanism that rises, the front end of tight mechanism that rises is provided with hem mechanism, the front end of hem mechanism is provided with cuts the mechanism, servo motor is all installed to the roller end of outer non-woven fabrics unreeling wheel, middle melt-blown fabric unreeling wheel and inlayer non-woven fabrics unreeling wheel, and servo motor's output and outer non-woven fabrics unreeling wheel, middle melt-blown fabric unreeling wheel and the roller transmission of inlayer non-woven fabrics unreeling wheel are connected.
Preferably, the first glue injection gun head and the second glue injection gun head are fixedly connected with the first support and the second support through brackets respectively, and high-pressure hoses are mounted at the upper ends of the first glue injection gun head and the second glue injection gun head respectively.
Preferably, hot pressing spare down is all installed to the inside both sides of hot pressing mechanism, first pneumatic cylinder is installed to the upper end of hot pressing mechanism, the output of first pneumatic cylinder runs through and extends to the inside of hot pressing mechanism, and installs the connecting rod, hot pressing spare is all installed to the lower surface at connecting rod both ends, go up hot pressing spare and the inside of hot pressing spare down and all install the heating wire, the outside of heating wire is provided with the heating sponge, the internally mounted of hot pressing mechanism has the bearing roller, and the bearing roller rotates with hot pressing mechanism to be connected.
Preferably, a tensioning wheel set is installed inside the tensioning mechanism, and the tensioning wheel set is rotatably connected with the tensioning mechanism.
Preferably, the inside of hem mechanism installs the hem roller, and the hem roller is provided with two, and all rotates with hem mechanism to be connected.
Preferably, the front end of the edge folding roller is provided with two pressing rollers which are rotatably connected with the edge folding mechanism.
Preferably, the internally mounted who cuts the mechanism has the cutting bed, the upper surface of cutting bed is provided with the cutting and dodges the groove, cut the upper end of mechanism and install the second pneumatic cylinder, install the slitting blade on the output of second pneumatic cylinder.
Preferably, the rear end of the slitting blade is provided with a laser displacement sensor, and the laser displacement sensor is fixedly connected with a shell of the slitting mechanism.
Preferably, the supporting legs are installed below the first rack and the second rack, the supporting legs are provided with six, reinforcing rods are installed at the joints of the supporting legs and the first rack and the second rack, and damping anti-slip pads are installed on the lower surfaces of the supporting legs.
Preferably, the fusion method of the folded-edge heat-sealing device for producing the medical mask comprises the following steps:
the method comprises the following steps: respectively winding the outer-layer non-woven fabric, the middle melt-blown fabric and the inner-layer non-woven fabric on an outer-layer non-woven fabric unwinding wheel, a middle melt-blown fabric unwinding wheel and an inner-layer non-woven fabric unwinding wheel, and unwinding the non-woven fabrics by means of transmission of a servo motor;
step two: one end of the outer-layer non-woven fabric is wound around the lower end of the first guide roller, penetrates through a gap between the first gluing carrier roller and the first glue injection gun heads, extends to a position between the two first press rollers, and finishes gluing work on two sides of the outer-layer non-woven fabric by means of the two first glue injection gun heads at the upper end of the first gluing carrier roller;
step three: one end of the middle melt-blown fabric is stretched to a first pressing roller and is preliminarily pressed and fixed with the outer non-woven fabric, then the bonded two parts are wound around the lower end of a second guide roller, pass through a gap between a second gluing carrier roller and a second glue injection gun head and extend to a space between the two second pressing rollers, and gluing work on two sides of the middle melt-blown fabric is finished by means of the two second glue injection gun heads at the upper end of the second gluing carrier roller;
step four: one end of the inner layer non-woven fabric is stretched to the second pressing roller, is preliminarily pressed and fixed with the middle melt-blown fabric, and is continuously stretched to the hot pressing mechanism at the front end;
step five: driving a first hydraulic cylinder at the upper end of the hot-pressing mechanism to drive an upper hot-pressing piece at the output end to move downwards, matching with a lower hot-pressing piece to be attached to two sides of the mouth covering piece, heating by virtue of an internal heating wire, solidifying the pre-coated hot-melt adhesive, and finishing heat-sealing treatment;
step six: continuously stretching the mask piece after heat sealing to a tensioning mechanism at the front end, and continuously extending to a folding mechanism after leveling by a tensioning wheel set;
step seven: the edge folding work of the middle part of the mask is finished by utilizing the conical structure of the edge folding roller, and the edge is quickly pressed by the pressing roller on one side to be smooth;
step eight: the mask piece that accomplishes the hem extends to cuts the mechanism, relies on the displacement sensor of the laser who cuts the mechanism import department to detect the migration distance of mask piece, when treating to reach the default, send signal to hydrovalve, drive the operation of second pneumatic cylinder, drive the slitting blade on the output and push down to accomplish the work of cutting of mask piece, the mask piece that cuts the completion relies on the band conveyer of exit end to carry to next manufacturing procedure.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention respectively winds and rolls the outer non-woven fabric, the middle melt-blown fabric and the inner non-woven fabric on respective unwinding wheels, presses the outer non-woven fabric, the middle melt-blown fabric and the inner non-woven fabric by virtue of the roller set, arranges the glue injection gun head at the rear end of the pressing part, coats hot melt glue on the two sides of the outer non-woven fabric and the middle melt-blown fabric by virtue of the glue injection gun head, enables the three to be preliminarily bonded, solidifies the hot melt glue by virtue of a subsequent hot pressing mechanism, completes heat sealing treatment, directly stretches the mask into the edge folding mechanism after completing heat sealing, completes flattening by virtue of the tensioning wheel set, completes edge folding work at the middle position of the mask by virtue of the conical structure of the edge folding roller, and rapidly presses and flattens by virtue of the pressing roller at one side, and finally completes segmentation cutting work by virtue of the cutting mechanism, so that the conveying line can directly complete pressing, heat sealing, edge folding and slitting work of the mask piece, compared with conventional independent equipment, the work efficiency is obviously promoted.
2. Through installing laser displacement sensor at the import department of cutting the mechanism, rely on laser displacement sensor to detect the displacement distance of gauze mask piece, when treating to reach the default, send signal to hydrovalve, drive the operation of second hydraulic cylinder, drive the slitting blade on the output and push down to accomplish the automatic work of cutting of gauze mask piece in succession.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the overall external structure of the present invention;
FIG. 3 is a schematic view of the hemming roller of the present invention;
FIG. 4 is a schematic structural view of the glue injection mechanism of the present invention;
FIG. 5 is a schematic structural diagram of a hot press mechanism according to the present invention;
FIG. 6 is an enlarged view of the structure at A of the present invention;
in the figure: 1. a first stage; 2. a second stage; 3. supporting legs; 4. a reinforcing rod; 5. a shock-absorbing anti-skid pad; 6. a support frame; 7. an outer non-woven fabric unwinding wheel; 8. the middle melt-blown cloth unwinding wheel; 9. an inner non-woven fabric unwinding wheel; 10. a first guide roller; 11. a first gluing carrier roller; 12. a first glue injection gun head; 13. a belt conveyor; 14. a first press-fit roller; 15. a second guide roller; 16. a first bracket; 17. a second glue injection gun head; 18. a second gluing carrier roller; 19. a high pressure hose; 20. a second press-fit roller; 21. a second bracket; 22. a hot-pressing mechanism; 23. a lower hot-pressing part; 24. an upper hot-pressing part; 25. a first hydraulic cylinder; 26. a tensioning mechanism; 27. a tensioning wheel set; 28. a flanging mechanism; 29. a hemming roller; 30. a pressure roller; 31. a slitting mechanism; 32. cutting table; 33. a second hydraulic cylinder; 34. a slitting blade; 35. a laser displacement sensor; 36. a servo motor; 37. a bracket; 38. a connecting rod; 39. carrying rollers; 40. the avoidance groove is cut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: a hem heat-sealing device for producing a medical mask comprises a first rack 1, wherein a second rack 2 is arranged at the front end of the first rack 1, a belt conveyor 13 is arranged at the front end of the second rack 2, supporting frames 6 are respectively arranged on two sides of the upper surface of the first rack 1, an outer-layer non-woven fabric unwinding wheel 7 is arranged between the supporting frames 6, a middle melt-blown fabric unwinding wheel 8 is arranged at the front end of the outer-layer non-woven fabric unwinding wheel 7, an inner-layer non-woven fabric unwinding wheel 9 is arranged at the front end of the middle melt-blown fabric unwinding wheel 8, the outer-layer non-woven fabric unwinding wheel 7, the middle melt-blown fabric unwinding wheel 8 and the inner-layer non-woven fabric unwinding wheel 9 are respectively and rotatably connected with the supporting frames 6, a first guide roller 10 is arranged above the first rack 1, a first glue injection carrier roller 11 is arranged at the front end of the first guide roller 10, first glue injection carrier rollers 12 are respectively arranged on two sides above the first glue carrier roller 11, and a first press-fit roller 14 is arranged at the front end of the first glue carrier roller 11, two first press-fit rollers 14 are arranged, a second guide roller 15 is arranged at the front end of each first press-fit roller 14, first supports 16 are arranged on two sides of each first guide roller 10, each first gluing carrier roller 11, each first press-fit roller 14 and each second guide roller 15, the first guide rollers 10, the first gluing carrier rollers 11, the first press-fit rollers 14 and the second guide rollers 15 are rotatably connected with the first supports 16, the lower ends of the first supports 16 are fixedly connected with the first rack 1, a second gluing carrier roller 18 is arranged above one end of the second rack 2, second glue injection gun heads 17 are arranged on two sides above the second gluing carrier rollers 18, a second press-fit roller 20 is arranged at the front end of the second gluing carrier rollers 18, two second press-fit rollers 20 are arranged, second supports 21 are arranged on two sides of the second gluing carrier rollers 18 and the second press-fit rollers 20, and the second gluing carrier rollers 18 and the second press-fit rollers 20 are rotatably connected with the second supports 21, the front end of the second press-fit roller 20 is provided with a hot-press mechanism 22, the front end of the hot-press mechanism 22 is provided with a tension mechanism 26, the front end of the tension mechanism 26 is provided with a folding mechanism 28, the front end of the folding mechanism 28 is provided with a cutting mechanism 31, the outer non-woven fabric unwinding wheel 7, the middle melt-blown fabric unwinding wheel 8 and the roller shaft end of the inner non-woven fabric unwinding wheel 9 are both provided with a servo motor 36, and the output end of the servo motor 36 is in transmission connection with the roller shafts of the outer non-woven fabric unwinding wheel 7, the middle melt-blown fabric unwinding wheel 8 and the inner non-woven fabric unwinding wheel 9.
Further, the first glue injection gun head 12 and the second glue injection gun head 17 are fixedly connected with the first support 16 and the second support 21 through a bracket 37 respectively, high-pressure hoses 19 are mounted at the upper ends of the first glue injection gun head 12 and the second glue injection gun head 17, and the first glue injection gun head 12 and the second glue injection gun head 17 are connected with a glue injection pump through the high-pressure hoses 19, so that the glue injection work is realized.
Further, hot pressing part 23 down is all installed to the inside both sides of hot pressing mechanism 22, first pneumatic cylinder 25 is installed to the upper end of hot pressing mechanism 22, the output of first pneumatic cylinder 25 runs through and extends to the inside of hot pressing mechanism 22, and install connecting rod 38, hot pressing part 24 is all installed to the lower surface at connecting rod 38 both ends, go up hot pressing part 24 and the inside of hot pressing part 23 down and all install the heating wire, the outside of heating wire is provided with the heating sponge, hot pressing mechanism 22's internally mounted has bearing roller 39, and bearing roller 39 rotates with hot pressing mechanism 22 to be connected, hot pressing mechanism 22 can add the thermosetting hot melt adhesive of precoating in gauze mask spare both sides, reach heat-seal effect, hot pressing part adopts the sponge material with the contact surface of gauze mask spare, can avoid causing the condition of wearing and tearing to gauze mask spare to take place.
Further, a tensioning wheel set 27 is installed inside the tensioning mechanism 26, the tensioning wheel set 27 is rotatably connected with the tensioning mechanism 26, and the tensioning mechanism 26 can enable the mask piece to be more smooth in the conveying process.
Further, the inside of hem mechanism 28 installs hem roller 29, and hem roller 29 is provided with two, and all rotates with hem mechanism 28 to be connected, and hem roller 29 comprises four toper structures, can rely on about the pressfitting effect make the central hem that forms of gauze mask spare.
Further, the front end of hemming roller 29 is provided with compressing roller 30, and compressing roller 30 is provided with two, and all rotates with hemming mechanism 28 and is connected, and compressing roller 30 can flatten the crease that hemming roller 29 formed fast.
Further, the internally mounted of cutting mechanism 31 has cutting bed 32, and the upper surface of cutting bed 32 is provided with the cutting and dodges groove 40, and second pneumatic cylinder 33 is installed to the upper end of cutting mechanism 31, installs slitting blade 34 on the output of second pneumatic cylinder 33, and slitting mechanism 31 relies on second pneumatic cylinder 33 of upper end to drive slitting blade 34 of output and moves down, accomplishes the cutting work of gauze mask spare.
Further, the rear end of the slitting blade 34 is provided with a laser displacement sensor 35, the laser displacement sensor 35 is fixedly connected with a shell of the slitting mechanism 31, the model of the laser displacement sensor 35 is LM-N085T, the moving distance of the mask piece can be detected, and when a preset value is reached, a signal is sent to a hydraulic valve to drive the second hydraulic cylinder 33 to operate, so that slitting work is completed.
Further, supporting legs 3 are all installed to the below of first rack 1 and second rack 2, and supporting legs 3 are provided with six, and reinforcing rod 4 is installed with the junction of first rack 1 and second rack 2 to supporting legs 3, and the lower surface mounting of supporting legs 3 has shock attenuation slipmat 5.
Further, the fusion method of the folding and heat-sealing device for producing the medical mask comprises the following steps:
the method comprises the following steps: the outer-layer non-woven fabric, the middle melt-blown fabric and the inner-layer non-woven fabric are respectively wound on an outer-layer non-woven fabric unwinding wheel 7, a middle melt-blown fabric unwinding wheel 8 and an inner-layer non-woven fabric unwinding wheel 9 and are unwound by means of transmission of a servo motor 36;
step two: one end of the outer-layer non-woven fabric is wound around the lower end of the first guide roller 10, penetrates through a gap between the first gluing carrier roller 11 and the first glue injection gun heads 12, extends to a space between the two first press rollers 14, and completes gluing work on two sides of the outer-layer non-woven fabric by means of the two first glue injection gun heads 12 at the upper end of the first gluing carrier roller 11;
step three: one end of the middle melt-blown fabric is stretched to the first pressing roller 14 and is preliminarily pressed and fixed with the outer non-woven fabric, then the bonded middle melt-blown fabric and the outer non-woven fabric are wound around the lower end of the second guide roller 15, pass through the gap between the second gluing carrier roller 18 and the second glue injection gun heads 17 and extend to the space between the two second pressing rollers 20, and gluing on two sides of the middle melt-blown fabric is finished by means of the two second glue injection gun heads 17 at the upper end of the second gluing carrier roller 18;
step four: one end of the inner layer non-woven fabric is stretched to the second pressing roller 20, is preliminarily pressed and fixed with the middle melt-blown fabric, and is continuously stretched to the hot-pressing mechanism 22 at the front end;
step five: driving a first hydraulic cylinder 25 at the upper end of the hot-pressing mechanism 22 to drive an upper hot-pressing piece 24 at the output end to move downwards, matching with a lower hot-pressing piece 23 to be attached to two sides of the mouth cover piece, heating by virtue of an internal heating wire, curing the pre-coated hot-melt adhesive, and finishing heat-sealing treatment;
step six: the mask piece after heat sealing is continuously stretched to a tension mechanism 26 at the front end, and is continuously stretched to a folding mechanism 28 after being leveled by a tension wheel set 27;
step seven: the edge folding work of the middle position of the mask is finished by utilizing the conical structure of the edge folding roller 29, and the edge is quickly pressed by the pressing roller 30 at one side to be smooth;
step eight: the mask spare that accomplishes the hem extends to cutting mechanism 31, relies on the removal distance that cuts the laser displacement sensor 35 detection mask spare of mechanism 31 import department, when treating to reach the default, signal to hydrovalve, drive the operation of second hydraulic cylinder 33, drives the branch on the output and cuts blade 34 and push down to accomplish the work of cutting of mask spare, the mask spare of accomplishing of cutting relies on the band conveyer 13 of exit end to carry to next manufacturing procedure.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a hem sealing device is used in production of medical gauze mask, includes first rack (1), its characterized in that: the front end of the first rack (1) is provided with a second rack (2), the front end of the second rack (2) is provided with a belt conveyor (13), the two sides of the upper surface of the first rack (1) are respectively provided with a support frame (6), an outer non-woven fabric unwinding wheel (7) is arranged between the support frames (6), the front end of the outer non-woven fabric unwinding wheel (7) is provided with a middle melt-blown fabric unwinding wheel (8), the front end of the middle melt-blown fabric unwinding wheel (8) is provided with an inner non-woven fabric unwinding wheel (9), the outer non-woven fabric unwinding wheel (7), the middle melt-blown fabric unwinding wheel (8) and the inner non-woven fabric unwinding wheel (9) are respectively and rotatably connected with the support frames (6), a first guide roller (10) is arranged above the first rack (1), and the front end of the first guide roller (10) is provided with a first gluing carrier roller (11), two sides above the first gluing carrier roller (11) are respectively provided with a first glue injection gun head (12), the front end of the first gluing carrier roller (11) is provided with a first press-fit roller (14), the number of the first press-fit rollers (14) is two, the front end of the first press-fit roller (14) is provided with a second guide roller (15), the two sides of the first guide roller (10), the first gluing carrier roller (11), the first press-fit roller (14) and the second guide roller (15) are respectively provided with a first bracket (16), the two sides of the first guide roller (10), the first gluing carrier roller (11), the first press-fit roller (14) and the second guide roller (15) are respectively rotatably connected with the first bracket (16), the lower end of the first bracket (16) is fixedly connected with the first rack (1), the upper side of one end of the second rack (2) is provided with a second glue injection gun head (17), the two sides above the second gluing carrier roller (18) are provided with a second glue injection gun head (17), the front end of second rubber coating bearing roller (18) is provided with second pressfitting roller (20), and second pressfitting roller (20) are provided with two, second support (21) are all installed to the both sides of second rubber coating bearing roller (18) and second pressfitting roller (20), and second rubber coating bearing roller (18) and second pressfitting roller (20) all rotate with second support (21) and be connected, the front end of second pressfitting roller (20) is provided with hot pressing mechanism (22), the front end of hot pressing mechanism (22) is provided with tight mechanism (26), the front end of tight mechanism (26) is provided with hem mechanism (28), the front end of hem mechanism (28) is provided with cutting mechanism (31), outer non-woven fabrics unreeling wheel (7), middle melt-blown fabric unreeling wheel (8) and the end of inner non-woven fabrics unreeling wheel (9) roller all install servo motor (36), and the output and outer non-woven fabrics unreeling wheel (7) of servo motor (36), The roller transmission that middle melt-blown fabric unreeled wheel (8) and inlayer non-woven fabrics unreeled wheel (9) is connected, hot-pressing piece (23) under all installing in the both sides of hot press mechanism (22) inside, first pneumatic cylinder (25) are installed to the upper end of hot press mechanism (22), the output of first pneumatic cylinder (25) runs through and extends to the inside of hot press mechanism (22), and installs connecting rod (38), hot-pressing piece (24) are all installed to the lower surface at connecting rod (38) both ends, go up hot-pressing piece (24) and the inside of lower hot-pressing piece (23) and all install the heating wire, the outside of heating wire is provided with the heating sponge, the internally mounted of hot press mechanism (22) has bearing roller (39), and bearing roller (39) rotate with hot press mechanism (22) and are connected.
2. The hemmed heat-sealing device for producing medical masks according to claim 1, characterized in that: the first glue injection gun head (12) and the second glue injection gun head (17) are respectively and fixedly connected with the first support (16) and the second support (21) through a bracket (37), and high-pressure hoses (19) are respectively mounted at the upper ends of the first glue injection gun head (12) and the second glue injection gun head (17).
3. The hem heat-sealing device for producing a medical mask according to claim 1, characterized in that: the tensioning mechanism (26) is internally provided with a tensioning wheel set (27), and the tensioning wheel set (27) is rotationally connected with the tensioning mechanism (26).
4. The hemmed heat-sealing device for producing medical masks according to claim 1, characterized in that: and two folding rollers (29) are arranged in the folding mechanism (28), and are rotatably connected with the folding mechanism (28).
5. The hemmed heat-sealing device for producing medical masks according to claim 4, characterized in that: the front end of the flanging roller (29) is provided with two pressing rollers (30), and the two pressing rollers (30) are rotatably connected with the flanging mechanism (28).
6. The hem heat-sealing device for producing a medical mask according to claim 1, characterized in that: the internally mounted of cutting mechanism (31) has cutting bed (32), the upper surface of cutting bed (32) is provided with the cutting and dodges groove (40), second pneumatic cylinder (33) are installed to the upper end of cutting mechanism (31), install on the output of second pneumatic cylinder (33) and divide and cut blade (34).
7. The hem heat-sealing device for producing medical masks according to claim 6, characterized in that: the rear end of the slitting blade (34) is provided with a laser displacement sensor (35), and the laser displacement sensor (35) is fixedly connected with a shell of the slitting mechanism (31).
8. The hemmed heat-sealing device for producing medical masks according to claim 1, characterized in that: supporting leg (3) are all installed to the below of first rack (1) and second rack (2), and supporting leg (3) are provided with six, reinforcing rod (4) are installed with the junction of first rack (1) and second rack (2) in supporting leg (3), the lower surface mounting of supporting leg (3) has shock attenuation slipmat (5).
9. The fusion method of the folding and heat-sealing device for the medical mask production according to any one of claims 1 to 8, comprising the steps of:
the method comprises the following steps: the outer-layer non-woven fabric, the middle melt-blown fabric and the inner-layer non-woven fabric are respectively wound on an outer-layer non-woven fabric unwinding wheel (7), a middle melt-blown fabric unwinding wheel (8) and an inner-layer non-woven fabric unwinding wheel (9) and are unwound by means of transmission of a servo motor (36);
step two: one end of the outer-layer non-woven fabric is wound around the lower end of the first guide roller (10), penetrates through a gap between the first gluing carrier roller (11) and the first glue injection gun heads (12), extends to a position between the two first press-fit rollers (14), and finishes gluing work on two sides of the outer-layer non-woven fabric by means of the two first glue injection gun heads (12) at the upper end of the first gluing carrier roller (11);
step three: one end of the middle melt-blown fabric is stretched to a first pressing roller (14) and is preliminarily pressed and fixed with the outer non-woven fabric, then the bonded middle melt-blown fabric and the outer non-woven fabric are wound around the lower end of a second guide roller (15), pass through a gap between a second gluing carrier roller (18) and a second glue injection gun head (17), and extend to a space between two second pressing rollers (20), and glue coating work on two sides of the middle melt-blown fabric is completed by means of the two second glue injection gun heads (17) at the upper end of the second gluing carrier roller (18);
step four: one end of the inner layer non-woven fabric is stretched to a second pressing roller (20), is preliminarily pressed and fixed with the middle melt-blown fabric, and is continuously stretched to a hot-pressing mechanism (22) at the front end;
step five: a first hydraulic cylinder (25) at the upper end of the hot-pressing mechanism (22) is driven to drive an upper hot-pressing piece (24) at the output end to move downwards, the upper hot-pressing piece (23) is matched with the lower hot-pressing piece to be attached to two sides of the mask piece, and the precoated hot-melt adhesive is solidified by means of heating of an internal heating wire to complete heat-sealing treatment;
step six: the mask piece after heat sealing is continuously stretched to a tension mechanism (26) at the front end, and is flattened by a tension wheel set (27) and then continuously stretched to a folding mechanism (28);
step seven: the edge folding work of the middle part of the mask is finished by utilizing the conical structure of the edge folding roller (29), and the edge is quickly pressed by the pressing roller (30) on one side to be smooth;
step eight: the mask spare that accomplishes the hem is stretched to cutting mechanism (31), rely on laser displacement sensor (35) of cutting mechanism (31) import department to detect the migration distance of mask spare, when waiting to reach the default, send signal to hydrovalve, drive second hydraulic cylinder (33) operation, drive slitting blade (34) on the output and push down, in order to accomplish the work of cutting of mask spare, the mask spare of cutting the completion relies on band conveyer (13) of exit end to carry to next manufacturing procedure.
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| CN202011184751.5A CN112075709B (en) | 2020-10-30 | 2020-10-30 | Edge-folding and heat-sealing device for medical mask production and fusion method thereof |
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| CN202011184751.5A CN112075709B (en) | 2020-10-30 | 2020-10-30 | Edge-folding and heat-sealing device for medical mask production and fusion method thereof |
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| CN112644138B (en) * | 2020-12-25 | 2024-08-30 | 无锡奥特维智能装备有限公司 | Multilayer melt-blown cloth pressure bonding device |
| CN113002885A (en) * | 2021-03-18 | 2021-06-22 | 昀厨智能制造工程(烟台)有限公司 | Novel packaging machine |
| CN113942287A (en) * | 2021-10-18 | 2022-01-18 | 河北旭开宇科技有限公司 | Equipment for manufacturing sterilization mask cloth capable of releasing negative ions |
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| CN103009779B (en) * | 2012-12-04 | 2015-03-11 | 江苏六鑫洁净新材料有限公司 | Compounding and cutting machine of hot melt adhesive |
| CN211747146U (en) * | 2020-02-14 | 2020-10-27 | 广东佳丝维新材料科技有限公司 | Mask production equipment without ear belt |
| CN111165984A (en) * | 2020-02-24 | 2020-05-19 | 美佳爽（中国）有限公司 | Preparation method of disposable mask |
| CN111436708B (en) * | 2020-04-13 | 2022-04-05 | 广东万安纸业有限公司 | Elastic earring type mask integrated forming equipment |
| CN111387613A (en) * | 2020-04-30 | 2020-07-10 | 安徽新虹纺织有限公司 | But non-woven fabrics gauze mask of sterilization cycle use |
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Denomination of invention: A folding heat sealing device and fusion method for the production of medical masks Effective date of registration: 20230524 Granted publication date: 20220902 Pledgee: Gongqing Rural Commercial Bank Co.,Ltd. youth entrepreneurship sub branch Pledgor: JIUJIANG HUADA MEDICAL DRESSING CO.,LTD. Registration number: Y2023980041741 |
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Granted publication date: 20220902 Pledgee: Gongqing Rural Commercial Bank Co.,Ltd. youth entrepreneurship sub branch Pledgor: JIUJIANG HUADA MEDICAL DRESSING CO.,LTD. Registration number: Y2023980041741 |
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Denomination of invention: A folded edge heat sealing device for medical mask production and its fusion method Granted publication date: 20220902 Pledgee: Industrial and Commercial Bank of China Limited Gongqingcheng Branch Pledgor: JIUJIANG HUADA MEDICAL DRESSING CO.,LTD. Registration number: Y2024980035870 |
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