CN213770722U

CN213770722U - Mask production line material conveying and pressing unit

Info

Publication number: CN213770722U
Application number: CN202022483449.1U
Authority: CN
Inventors: 曾小华; 李庆; 孙成美
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-23
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to the technical field of mask equipment, in particular to a mask production line material conveying and pressing unit, which comprises a frame, wherein the frame is provided with a cloth conveying and leveling device and a nose belt conveying device; the nose band conveying device comprises a material rack, a material guide mechanism, a nose band straightening mechanism and a nose band shearing mechanism which are all arranged on the rack; the cloth conveying leveling device comprises a main automatic deviation rectifier, a plurality of traction assemblies, a plurality of tensioning assemblies and a plurality of first automatic deviation rectifiers, wherein the main automatic deviation rectifier, the plurality of traction assemblies, the plurality of tensioning assemblies and the plurality of first automatic deviation rectifiers are all arranged on the frame; the utility model has novel structure, ingenious design and high automation degree; the labor participation is reduced, the working efficiency is improved, the structure is reliable, the use is convenient, and the bending of the flexible material is avoided; the nose belt shearing mechanism presses the cloth and the segmented flexible material, so that the continuity and reliability of the work of the subsequent process are ensured.

Description

Mask production line material conveying and pressing unit

Technical Field

The utility model belongs to the technical field of gauze mask equipment technique and specifically relates to indicate a pressfitting unit is carried to gauze mask production line material.

Background

A cloth mask comprises a mask body which is formed by laminating multiple layers of cloth, such as non-woven cloth. The both sides of the cover body are provided with ear belts used for wearing the mask on the ears of a user, the nose bridge position of the cover body is provided with a nose bridge line, the nose bridge line is a plastic-coated iron core strip, and the nose bridge line has certain toughness and is used for enabling the cover body to be more attached to the face of the user. Therefore, when the cloth mask is produced, the cloth and flexible materials (nose belts) need to be conveyed first, the cloth is easy to collapse and the tension is poor in the conveying process, in addition, the cloth is easy to deviate in the conveying process, the completion and the working efficiency of the subsequent processes are influenced, and the structure is complex and the automation degree is low.

Disclosure of Invention

The utility model provides a mask production line material conveying and pressing unit aiming at the problems of the prior art, which has novel structure, ingenious design and high automation degree; the labor participation is reduced, the working efficiency is improved, the structure is reliable, the use is convenient, and the bending of the flexible material is avoided; the nose belt shearing mechanism feeds the cloth into the pressing device to be pressed with the flexible material after being cut into sections, so that the continuity and reliability of the work of the subsequent working procedures are ensured.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a mask production line material conveying and pressing unit, which comprises a frame, wherein the frame is provided with a cloth conveying and leveling device and a nose belt conveying device;

the nose band conveying device comprises a material rack, a material guide mechanism, a nose band straightening mechanism and a nose band shearing mechanism which are all arranged on the rack; the nose band straightening mechanism is used for leveling and straightening the flexible material and then feeding the flexible material into the nose band shearing mechanism;

the flexible material enters a nose band shearing mechanism, and the nose band shearing mechanism simultaneously shears the flexible material into sections;

the machine frame is also provided with a pressing device, the pressing device is used for pressing the cloth and the cut flexible material together, and the pressing device is positioned at the discharge end of the nose band shearing mechanism; levelling device is carried to cloth is including all installing total automatic rectifying device, a plurality of traction assembly, a plurality of tensioning subassembly and a plurality of first automatic rectifying device in the frame, traction assembly, tensioning subassembly and first automatic rectifying device one-to-one, the cloth passes through in proper order traction assembly tensioning assembly first automatic rectifying device and total automatic rectifying device are back to seeing off to compression fittings, traction assembly is used for driving the cloth and carries forward, the tensioning subassembly is used for carrying out the tensioning to the cloth and adjusts, first automatic rectifying device with total automatic rectifying device all is used for carrying out horizontal off tracking control to the cloth.

The nose band straightening mechanism comprises a straightening base and a plurality of guide wheels, the guide wheels are rotatably arranged on the straightening base in two rows, and the two rows of guide wheels are used for conveying and straightening the coiled material; a plurality of movable pinch rollers are arranged between one row of guide wheels, the rear ends of the movable pinch rollers are rotatably provided with limit sliding blocks, the straightening base is provided with limit sliding grooves matched with the limit sliding blocks in a sliding mode, the limit sliding blocks move up and down in the limit sliding grooves, the lower ends of the limit sliding blocks are connected with straightening springs, and one ends, far away from the limit sliding blocks, of the straightening springs are connected with the inner walls of the limit sliding grooves.

Wherein, the nose area straightens the mechanism with still be provided with a plurality of components of straightening between the nose area shearing mechanism, the components of straightening include the straightening arbor roller, straighten the seat, straighten the cylinder, straighten the connecting block and straighten the gyro wheel, straighten the cylinder and install straighten the seat, straighten the cylinder the output with straighten the connecting block and connect, straighten the gyro wheel rotate set up in straighten the connecting block, straighten the gyro wheel and be located the top of straightening arbor roller, straighten the gyro wheel be used for with straightening arbor roller slip butt, straighten the arbor roller rotate set up in the frame.

The nose area shearing mechanism comprises a shearing base, a shearing transmission shaft, a main transmission wheel, a shearing driven shaft, a shearing synchronizing wheel and a shearing rotating head, wherein a plurality of cutters are arranged on the periphery of the shearing rotating head in an equal-interval ring mode, the shearing transmission shaft and the shearing driven shaft are all rotatably arranged on the shearing base, the rear end of the shearing transmission shaft is sleeved with the main transmission wheel and the shearing synchronizing wheel, the shearing synchronizing wheel is connected with the shearing driven wheel in a meshing transmission mode, the front end of the shearing driven wheel is coaxially connected with the shearing rotating head, the front end of the shearing transmission shaft is provided with a shearing shaft sleeve, and flexible materials pass through the shearing shaft sleeve and are sheared along with the rotation of the shearing rotating head.

The shearing device comprises a shearing base, a feeding channel, a discharging channel and a shearing mechanism, wherein the two sides of the shearing base are respectively provided with the feeding channel and the discharging channel, and the feeding channel and the discharging channel are arranged correspondingly; the outlet of the feeding channel and the inlet of the discharging channel are aligned with the gap between the shearing rotating head and the shearing shaft sleeve.

The material rack comprises a threaded sleeve, a position adjusting mechanism arranged at the outer side end part and coaxial with the threaded sleeve, and a material tray and a tension adjusting mechanism which are both arranged on the periphery of the position adjusting mechanism, wherein the tension adjusting mechanism is used for adjusting the tension of the flexible material, and the position adjusting mechanism is used for adjusting the position of the material tray;

the position adjusting mechanism is coaxially arranged at the outer side end of the threaded sleeve and comprises a screw rod and a first bearing, and the threaded end of the screw rod is in threaded connection with the threaded hole of the threaded sleeve; the position of the material tray is adjusted by rotating the screw; the first bearing is movably sleeved on the periphery of the screw rod.

The position adjusting mechanism further comprises a sliding sleeve, and the material tray and the tension adjusting mechanism are both arranged on the excircle of the sliding sleeve;

the charging tray comprises an inner tensioning part, an outer clamping part and a rotary sleeve, the inner tensioning part and the outer clamping part are both arranged on the excircle of the rotary sleeve, rolling bearings are arranged at two ends of the inner wall of the rotary sleeve, and the rotary sleeve is sleeved on the excircle of the sliding sleeve through the rolling bearings;

when the flexible material is conveyed, the inner tensioning part and the outer clamping part rotate along with the rotation of the rotating sleeve.

Wherein, tension adjustment mechanism installs swivel casing's tip, tension adjustment mechanism includes adjusting nut, compression spring, retaining ring and rubber pad, adjusting nut spiro union in the outer tip of sliding sleeve, compression spring establishes in the periphery of sliding sleeve is located between adjusting nut and the retaining ring, retaining ring movable sleeve is established the periphery of sliding sleeve, the rubber pad cover is located the periphery of sliding sleeve is located between retaining ring and the swivel casing.

The cloth conveying device comprises a frame, a traction assembly, a pressing assembly and a pressing assembly, wherein the frame is also provided with the pressing assembly, the pressing assembly is positioned above the traction assembly, and the pressing assembly is used for pressing the cloth conveyed by the traction assembly;

the pressing component comprises a supporting plate, a lifting plate and a lifting driving piece, the supporting plate is detachably connected with the rack, guide pillars are arranged at two ends of the lifting plate and slidably penetrate through the supporting plate, the lifting driving piece is fixed on the supporting plate and used for driving the lifting plate to move up and down, and a pressing shaft roller is rotatably arranged at the lower end of the lifting plate;

the periphery of the abutting pressing shaft roller is coated with a silica gel pad or sponge.

The traction assembly comprises a traction cylinder and a traction driving piece for driving the traction cylinder to rotate, the traction driving piece is arranged on the rack, and the traction cylinder is rotatably arranged on the rack;

the traction assembly further comprises two guide roll shafts which are arranged in parallel and at intervals, the guide roll shafts are rotatably connected with the rack, and the two guide roll shafts are respectively positioned on two sides below the traction cylinder. The utility model has the advantages that:

the utility model has novel structure, ingenious design and high automation degree; the labor participation is reduced, the working efficiency is improved, the structure is reliable, the use is convenient, and the bending of the flexible material is avoided; the nose belt shearing mechanism presses the cloth and the segmented flexible material, so that the continuity and reliability of the work of the subsequent process are ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the nasal strip delivery device of the present invention.

Fig. 3 is a schematic structural diagram of the nose band straightening mechanism, the nose band straightening assembly and the nose band cutting mechanism according to the invention.

Fig. 4 is a schematic structural view of the nose band straightening mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the material holder of the present invention.

Fig. 6 is a schematic view of another view structure of the material shelf of the present invention.

Fig. 7 is a cross-sectional view of a stack of the present invention.

Fig. 8 is a schematic structural view of the material shelf of the present invention after hiding the fixed chuck and the movable chuck.

Fig. 9 is a schematic structural view of the nose band cutting mechanism of the present invention.

Fig. 10 is another perspective view of the nose band cutting mechanism of the present invention.

Fig. 11 is a schematic structural diagram of the traction assembly, the tensioning movable assembly and the pressing assembly of the present invention.

Fig. 12 is a schematic structural view of the present invention after the frame is hidden by the traction assembly, the tensioning movable assembly and the pressing assembly.

The reference numerals in fig. 1 to 12 include:

1. a threaded sleeve; 2. a screw; 3. a first bearing; 4. a sliding sleeve; 5. rotating the sleeve; 6. a rolling bearing; 7. fixing a chuck; 8. a movable chuck; 9. an inner chuck base; 10. an outer chuck base; 11. a locking hole; 12. tensioning the fixing sleeve; 13. a tension rod; 14. a swing rod; 15. a screw; 16. an arc groove; 17. a straight waist groove; 18. adjusting the nut; 19. a compression spring; 20. a retainer ring; 21. a rubber pad; 22. mounting holes; 23. a frame; 24. a material rack; 25. a nasal strip straightening mechanism; 26. a nasal strip shearing mechanism; 27. straightening the base; 28. a guide wheel; 29. a movable pinch roller; 30. a limiting slide block; 31. a limiting chute; 32. straightening a spring; 33. a straightening assembly; 34. pressing a straight shaft roller; 35. a straightening seat; 36. a straightening air cylinder; 37. pressing the connecting block straight; 38. straightening the roller; 39. shearing a base; 40. cutting the transmission shaft; 41. a main transmission wheel; 42. shearing the driven wheel; 43. shearing the driven shaft; 44. shearing a synchronous wheel; 45. shearing the rotating head; 46. a cutter; 47. shearing the shaft sleeve; 48. a feeding channel; 49. a discharge channel; 50. a second material guide shaft roller; 51. rotating the driving member; 52. a tension bracket; 53. a tension guide roller; 54. a traction assembly; 55. tensioning the movable assembly; 56. a pressing component; 57. a traction cylinder; 58. a traction drive; 59. a first material guiding roll shaft; 60. a support plate; 61. a lifting plate; 62. a lifting drive member; 63. a guide post; 64. pressing the shaft roller; 65. a rocker arm; 66. a self-weight shaft roller; 67. a limiting mounting block; 68. a limiting shaft block; 69. a tension roller shaft; 70. tensioning the drive member; 71. a fixed block; 72. leveling the transmission shaft roller; 73. a total automatic deviation rectifier; 74. a first automatic deviation rectifier; 75. and a pressing device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A mask production line material conveying and pressing unit is shown in figures 1 to 12 and comprises a rack 23, wherein the rack 23 is provided with a cloth conveying and leveling device and a nose belt conveying device;

the nose strip conveying device comprises a material rack 24, a material guide mechanism, a nose strip straightening mechanism 25 and a nose strip shearing mechanism 26 which are all arranged on the rack 23; the material rack 24 is used for loading flexible materials, the flexible materials pass through the material guide mechanism and then enter the nose band straightening mechanism 25, and the nose band straightening mechanism 25 flattens and straightens the flexible materials and then enters the nose band shearing mechanism 26;

the flexible material simultaneously enters the nose band shearing mechanism 26, and the nose band shearing mechanism 26 shears the flexible material into sections;

the frame is further provided with a pressing device 75, the pressing device 75 is used for pressing the cloth and the cut flexible material together, and the pressing device 75 is located at the discharge end of the nose strip shearing mechanism 26;

leveling device is carried to cloth is including all installing total automatic deviation rectifier 73, a plurality of traction assembly 54, a plurality of tensioning movable assembly 55 and a plurality of first automatic deviation rectifier 74 in the frame, traction assembly 54, tensioning movable assembly 55 and first automatic deviation rectifier 74 one-to-one, and the cloth passes through in proper order traction assembly 54 tensioning movable assembly 55 first automatic deviation rectifier 74 and total automatic deviation rectifier 73 are back to being sent out to compression fittings 75, traction assembly 54 is used for pulling the cloth and carries forward, tensioning movable assembly 55 is used for carrying out the tensioning to the cloth and adjusts, first automatic deviation rectifier 74 with total automatic deviation rectifier 73 all is used for carrying out horizontal off tracking control to the cloth.

Specifically, the utility model discloses the during operation, leveling device is carried to the cloth is used for exporting the cloth, and nose area conveyor is used for exporting flexible material (nose area), compression fittings 75 is used for being in the same place flexible material pressfitting after cloth and the dissection, accomplishes the pressfitting of gauze mask body and nose area promptly, and wherein, compression fittings 75 carries out pressfitting or knurling fashioned compression fittings 75 with cloth (gauze mask body) and flexible material (nose area) for among the prior art gauze mask machine, no longer gives unnecessary details below.

The utility model discloses in, the nasal strip conveyor during operation, flexible material (nasal strip) is installed in work or material rest 24 and is derived from work or material rest 24 through guide mechanism, guide mechanism plays the effect of guide and tensioning to flexible material (nasal strip), then get into nasal strip straightening mechanism 25 and straighten flexible material (nasal strip), flexible material (nasal strip) after straightening gets into nasal strip shearing mechanism 26 again and shears into the section and send out to compression fittings 75 in, compression fittings 75 carry out the pressfitting with cloth flexible material (nasal strip) after cutting the section, degree of automation is high, reduce artifical the participation, improve work efficiency, the structure is reliable, high durability and convenient use, avoid flexible material crooked;

when the cloth conveying leveling device works, cloth firstly passes through the traction component 54, then enters the tensioning movable component 55, then passes through the first automatic deviation corrector 74 and the total automatic deviation correction, the traction component 542 forwards conveys the cloth, the tensioning force of the cloth is controlled by the tensioning movable component 55, the cloth is prevented from being loosened in the cloth conveying process, the work is reliable, furthermore, the traction components 54, the tensioning movable components 55 and the first automatic deviation corrector 74 can simultaneously convey one cloth or a plurality of cloths, the first automatic deviation corrector 74 can control deviation correction and leveling of one cloth or a plurality of cloths, the transverse deviation in the cloth conveying process is avoided, then one or a plurality of cloths are combined and conveyed to the total automatic deviation corrector 73 to be subjected to leveling control and then discharged to the pressing device 75, the pressing device 75 presses the cloth and flexible materials (nose belts), the continuity and the reliability of the work of the subsequent process are ensured, the work efficiency is improved, and the labor cost is reduced.

In the material conveying and pressing unit for the mask production line in this embodiment, the nose strip straightening mechanism 25 includes a straightening base 27 and a plurality of guide wheels 28, the plurality of guide wheels 28 are rotatably disposed on the straightening base 27 in two rows, and the two rows of guide wheels 28 are used for conveying and straightening the flexible material; a plurality of movable pinch rollers 29 are arranged between the guide rollers 28, a limiting slide block 30 is rotatably arranged at the rear end of each movable pinch roller 29, a limiting slide groove 31 matched with the limiting slide block 30 in a sliding mode is formed in the straightening base 27, the limiting slide block 30 moves up and down in the limiting slide groove 31, a straightening spring 32 is connected to the lower end of the limiting slide block 30, and one end, far away from the limiting slide block 30, of the straightening spring 32 is connected with the inner wall of the limiting slide groove 31.

Specifically, the nose strip straightening mechanism 25 provided above forms two rows of distribution through the plurality of guide wheels 28, and the flexible material (nose strip) passes through between the two rows of guide wheels 28, so as to realize the stable and straightening of the flexible material (nose strip), and further, through the cooperation of the straightening spring 32, the limiting slide block 30 and the limiting slide groove 31, the flexible material (nose strip) passing through between the two rows of guide wheels 28 is pressed through the movable pressing wheel 29, so that on one hand, the flexible material (nose strip) can be straightened, and on the other hand, the tension force of the flexible material (nose strip) can be improved.

This embodiment a mask production line material transport pressfitting unit, the nose area straighten the mechanism 25 with the nose area shears still is provided with a plurality of straightening subassemblies 33 between the mechanism 26, straightening subassembly 33 is including straightening arbor roll 34, straightening seat 35, straightening cylinder 36, straightening connecting block 37 and straightening gyro wheel 38, straightening cylinder 36 installs straightening seat 35, straightening cylinder 36's output with straightening connecting block 37 is connected, straightening gyro wheel 38 rotate set up in straightening connecting block 37, straightening gyro wheel 38 is located straightening arbor roll 34's top, straightening gyro wheel 38 be used for with straightening arbor roll 34 slip butt, straightening arbor roll 34 rotate set up in the frame.

Specifically, the straightening cylinder 36 can order about the straightening connecting block 37 reciprocates, drives the straightening roller 38 and reciprocates, can adjust the interval between straightening roller 38 and the straightening beam barrel 34, and strong adaptability, convenient to use utilizes the straightening roller 38 to slide and support the pressure process the flexible material (nose area) of straightening beam barrel 34 straightens, flattens, makes things convenient for subsequent processing, reliable in structure to flexible material (nose area).

In the material conveying and stitching unit for a mask production line in this embodiment, the nose strip shearing mechanism 26 includes a shearing base 39, a shearing transmission shaft 40, a main transmission wheel 41, a shearing driven wheel 42, a shearing driven shaft 43, a shearing synchronizing wheel 44 and a shearing rotating head 45, a plurality of cutters 46 are annularly arranged at equal intervals on the periphery of the shearing rotating head 45, the shearing transmission shaft 40 and the shearing driven shaft 43 are both rotatably arranged on the shearing base 39, the main transmission wheel 41 and the shearing synchronizing wheel 44 are sleeved on the rear end of the shearing transmission shaft 40, the shearing synchronizing wheel 44 is in meshing transmission connection with the shearing driven wheel 42, the front end of the shearing driven wheel 42 is coaxially connected with the shearing rotating head 45, a shearing sleeve 47 is arranged on the front end of the shearing transmission shaft 40, a flexible material passes between the shearing rotating head 45 and the shearing sleeve 47, the wound material is sheared with the rotation of the shearing rotary head 45.

Specifically, final drive wheel 41 is connected with drive unit, and final drive wheel 41 drives it rotates to cut transmission shaft 40, and then drives it rotates to cut driven shaft 43, cuts axle sleeve 47 and can play the effect of carrying flexible material (nose area) when rotating, and cuts the top that rotates head 45 and be located and cut axle sleeve 47, cuts when rotating head 45 and rotate, utilizes cutter 46's setting, can cut flexible material (nose area) through on the axle sleeve 47 of cutting, and convenient to use, degree of automation is high.

In the material conveying and pressing unit for the mask production line in this embodiment, a feeding channel 48 and a discharging channel 49 are respectively arranged on two sides of the shearing base 39, and the feeding channel 48 and the discharging channel 49 are correspondingly arranged; the outlet of the feeding channel 48 and the inlet of the discharging channel 49 are aligned with the gap between the shearing rotating head 45 and the shearing shaft sleeve 47.

Specifically, above-mentioned setting can make things convenient for flexible material (nose area) to get into the nose area steadily and cut mechanism 26 in addition, discharging channel 49 is convenient for realize flexible material (nose area) ejection of compact one by one, and convenient to use avoids flexible material (nose area) to pile up the ejection of compact and influences normal work.

In the mask production line material conveying and pressing unit according to this embodiment, the material guiding mechanism includes a plurality of second material guiding rollers 50, and the second material guiding rollers 50 are rotatably disposed on the frame 23;

the material guiding mechanism further comprises a material guiding tensioning control assembly, the material guiding tensioning control assembly comprises a rotary driving piece 51 and a tension bracket 52, the tension bracket 52 is rotatably provided with a plurality of tension guide rollers 53, and the rotary driving piece 51 is used for driving the tension bracket 52 to rotate.

Specifically, after being led out from the material rack 24, the flexible material (the nose strip) enters the nose strip straightening mechanism 25 after passing through a plurality of material guide shaft rollers, the nose strip straightening mechanism 25 straightens the flexible material (the nose strip) to ensure that the flexible material (the nose strip) is in a strip shape and enters the nose strip shearing mechanism 26 for shearing in sections, and the use is convenient; the guide tensioning control assembly is arranged, the tension support 52 is driven to swing by the rotary driving piece 51, so that tensioning force control can be performed on flexible materials (nose belts) bypassing the tension guide roller 53, the use is convenient, and the working stability and reliability are ensured.

In the mask production line material conveying and laminating unit of the embodiment, the material rack 24 includes a screw sleeve 1, a position adjusting mechanism arranged at the outer end of the screw sleeve and coaxial with the screw sleeve 1, and a material tray and a tension adjusting mechanism both arranged on the periphery of the position adjusting mechanism, the tension adjusting mechanism is used for adjusting the tension of a flexible material, and the position adjusting mechanism is used for adjusting the position of the material tray; the material rack is novel in structure, ingenious in design and high in applicability, the use convenience and the operation efficiency of the material rack are improved, and under the action of the position adjusting mechanism, the material tray and the tension adjusting mechanism, the problems that coiling materials with different inner holes or thicknesses are inconvenient to load and easy to loosen in the traditional technology are solved, and the use convenience is high; the material rack can be fixed on the installation surface of the rack 23 through a threaded sleeve 1.

The position adjusting mechanism is coaxially arranged at the outer side end of the threaded sleeve 1 and comprises a screw rod 2 and a first bearing 3, and the threaded end of the screw rod 2 is in threaded connection with the threaded hole of the threaded sleeve 1; the position of the material tray is adjusted by rotating the screw rod 2; the first bearing 3 is movably sleeved on the periphery of the screw rod 2. Specifically, wherein, the first bearing 3 is located between the sliding sleeve 4 (mentioned below) and the screw rod 2, through rotating the screw rod 2, can drive the charging tray to remove to adjust the position distance of the charging tray relative to the installation face, use nimble, the suitability is strong, can be applicable to multiple size equipment and space.

In the mask production line material conveying and pressing unit of the embodiment, the position adjusting mechanism further comprises a sliding sleeve 4, and the charging tray and the tension adjusting mechanism are both arranged on the outer circle of the sliding sleeve 4;

the material tray comprises an inner tensioning part, an outer clamping part and a rotating sleeve 5, the inner tensioning part and the outer clamping part are both arranged on the excircle of the rotating sleeve 5, rolling bearings 6 are arranged at two ends of the inner wall of the rotating sleeve 5, and the rotating sleeve 5 is sleeved on the excircle of the sliding sleeve 4 through the rolling bearings 6;

when the flexible material is conveyed, the inner tensioning part and the outer clamping part rotate along with the rotation of the rotating sleeve 5.

Specifically, the position adjustment mechanism and the charging tray of above-mentioned setting, when flexible material (nose area) is carried on the charging tray, inboard tensioning part, outside clamping part all rotate along with rotating sleeve 5, utilize inboard tensioning part can be applicable to the dish of different hole sizes and make flexible material, guarantee the tensioning force, prevent loosely, outside clamping part can be applicable to the dish of different thickness and make flexible material, and the suitability is strong.

According to the mask production line material conveying and pressing unit, the outer clamping portion comprises a fixed chuck 7, a movable chuck 8, an inner side chuck seat 9 and an outer side chuck seat 10, the fixed chuck 7 is fixed on the periphery of the inner side chuck seat 9, and the inner side chuck seat 9 is fixedly sleeved on the outer circle of the rotating sleeve 5;

the movable chuck 8 is fixed on the periphery of the outer side chuck seat 10, the outer side chuck seat 10 is movably sleeved on the outer circle of the rotating sleeve 5, the inner side chuck seat 9 and the outer side chuck seat 10 are arranged at intervals, and the outer side chuck seat 10 is provided with a locking hole 11.

Specifically, activity (holding) chuck 8 is the operation side of this work or material rest, and operating personnel can rotate or promote activity (holding) chuck 8 and adjust the distance between activity (holding) chuck 8 and the fixed (holding) chuck 7, can adjust according to the thickness of flexible material the axial position of activity (holding) chuck 8 is applicable to the coiling flexible material of the tight different thickness of clamp, and the suitability is strong, after adjusting the position of activity (holding) chuck 8 and outside (holding) chuck seat 10, locks hole 11 and external screw cooperation and locks outside (holding) chuck seat 10, realizes the locking of activity (holding) chuck 8 position.

According to the mask production line material conveying pressing unit, the inner side tensioning portion comprises a tensioning fixing sleeve 12 and a plurality of tensioning assemblies uniformly wound on the periphery of the tensioning fixing sleeve 12, each tensioning assembly comprises a tensioning rod 13, two swing rods 14 and two screws 15, the two screws 15 are detachably connected to two sides of the tensioning fixing sleeve 12, one ends of the two swing rods 14 are respectively rotatably connected with the two screws 15, the other ends of the two swing rods 14 are respectively connected with the tensioning rod 13, and the two swing rods 14 respectively rotate around the corresponding screws 15 to do circular arc motion;

the fixed chuck 7 is provided with a plurality of circular arc grooves 16, the activity chuck 8 is provided with a plurality of straight waist grooves 17, the outer end of tensioning rod 13 is worn to locate in straight waist groove 17, the inner of tensioning rod 13 is worn to locate circular arc groove 16.

Preferably, the tensioning assemblies are provided in number four; straight waist groove 17 can play direction and spacing effect, circle cover in the nature material on the excircle that four tensioning rod 13 of four tensioning assembly formed, through rotating activity (holding) chuck 8 drives the swing of tensioning rod 13 to adjust the excircle size that four tensioning rod 13 formed and press from both sides the interior circle of tight nature material, lock outside chuck seat 10 after pressing from both sides tightly and lock activity (holding) chuck 8, thereby play the effect of centre gripping to the flexible material of different interior circle sizes, straight waist groove 17 the quantity with the quantity of circular arc groove 16 all with the quantity correspondence setting of tensioning rod 13.

This embodiment a mask production line material transport pressfitting unit, tension adjustment mechanism installs rotating sleeve 5's tip, tension adjustment mechanism includes adjusting nut 18, compression spring 19, retaining ring 20 and rubber pad 21, adjusting nut 18 spiro union in sliding sleeve 4's outer tip, compression spring 19 cover is established sliding sleeve 4's periphery is located between adjusting nut 18 and the retaining ring 20, retaining ring 20 movable sleeve is established sliding sleeve 4's periphery, rubber pad 21 cover is located sliding sleeve 4's periphery is located between retaining ring 20 and the rotating sleeve 5. Specifically, the nut is rotated to adjust the tension of the compression spring 19, so as to adjust the friction force between the rubber pad 21 and the rotary sleeve 5, and finally, the tension of the flexible material (nose belt) in the conveying process can be adjusted by adjusting the damping of the rotation of the material tray, so that the flexible material is always in a tensioned state in the conveying process.

In the material conveying and pressing unit for the mask production line according to the embodiment, the end portion of the inner side of the screw sleeve 1 is provided with a plurality of mounting holes 22. Specifically, the installation holes 22 are matched with external screws to conveniently install the thread insert 1 on the installation surface of the frame 23.

In the material conveying and pressing unit for the mask production line according to the embodiment, the frame 23 is further provided with a pressing component 56, the pressing component 56 is located above the traction component 54, and the pressing component 56 is used for pressing the cloth conveyed by the traction component 54;

specifically, when the cloth passes through the drawing assembly 54, the drawing assembly 54 moves the cloth forward to convey the cloth, and meanwhile, the pressing assembly 56 presses the cloth drawn by the drawing assembly 54, so that the cloth is flat, wrinkles generated in the conveying process are reduced, and the work is reliable.

The pressing component 56 comprises a supporting plate 60, a lifting plate 61 and a lifting driving member 62, the supporting plate 60 is detachably connected with the rack, guide posts 63 are arranged at two ends of the lifting plate 61, the guide posts 63 are slidably arranged through the supporting plate 60, the lifting driving member 62 is fixed on the supporting plate 60, the lifting driving member 62 is used for driving the lifting plate 61 to move up and down, and a pressing shaft roller 64 is rotatably arranged at the lower end of the lifting plate 61; specifically, this support subassembly 56 novel structure, ingenious design, support subassembly 56 during operation, lift driving piece 62 orders about the lifter plate 61 reciprocates, and the setting of guide pillar 63 guarantees the stability and the reliability of lifter plate 61 when reciprocating, and in addition, support the beam barrel 64 and cooperate with traction cylinder 57 and support the cloth and transmit the cloth forward, realize pulling of cloth to guarantee that the cloth is difficult for the fold.

In addition, the outer periphery of the pressing shaft roller 64 is coated with a silica gel pad or sponge. Particularly, the arrangement of the silica gel pad or the sponge can avoid abrasion of the cloth caused by the pressing shaft roller 64, and the structure is reliable.

In the mask production line material conveying and stitching unit according to the embodiment, the traction assembly 54 includes a traction cylinder 57 and a traction driving element 58 for driving the traction cylinder 57 to rotate, the traction driving element 58 is installed on the frame 23, and the traction cylinder 57 is rotatably installed on the frame 23;

specifically, the traction driving member 58 can be a motor, the motor drives the traction cylinder 57 to rotate, and the cloth wound on the traction cylinder 57 is driven to move forward, so that the structure is simple, and the use is convenient.

The traction assembly 54 further includes two first material guiding roller shafts 59 arranged in parallel and at intervals, the first material guiding roller shafts 59 are rotatably connected with the frame, and the two first material guiding roller shafts 59 are respectively located at two sides below the traction cylinder 57.

Specifically, when the cloth is conveyed, the cloth firstly bypasses one first guide roller 59, then bypasses the other first guide roller 59, and is conveyed to the tensioning movable assembly 55, and the first guide roller 59 is beneficial to tensioning the cloth and is convenient for drawing the cylinder 57 to draw.

In the material conveying and pressing unit for the mask production line of the embodiment, the tensioning movable assembly 55 comprises a rocker arm 65, one end of the rocker arm 65 is rotatably provided with a self-weight shaft roller 66, and the other end of the rocker arm 65 is rotatably connected with the frame 23. Specifically, the arrangement of the rocker arm 65 enables the cloth to be wound on the self-weight shaft roller 66, so that the self-weight shaft roller 66 can support the cloth conveniently, and the tension of the cloth is improved.

A gauze mask production line material transport pressfitting unit, the cloth is carried levelling device and is still included spacing subassembly, spacing subassembly includes spacing installation piece 67 and spacing axle piece 68, and spacing axle piece 68 is connected with spacing installation piece 67, spacing installation piece 67 can be dismantled with frame 23 and be connected, spacing axle piece 68 is located the below of rocking arm 65. Specifically, spacing installation piece 67 can be dismantled with frame 23 through the screw and be connected, convenient dismantlement and installation, wherein, spacing axle piece 68 surface is smooth, and below and rocking arm 65 butt of rocking arm 65 carry on spacingly to rocking arm 65, prevent that rocking arm 65 from excessively swinging down.

In the mask production line material conveying pressing unit according to the embodiment, the tensioning movable assembly 55 further includes two tensioning roller shafts 69 arranged in parallel and at intervals, and the two tensioning roller shafts 69 are located on two sides above the rocker arm 65. Specifically, the utility model discloses during operation, the cloth gets into earlier around establishing on close first guide roller 59, winds to drawing drum 57 again, winds to another first guide roller 59 after, then winds to establishing on close a tensioning roller 69, winds to dead weight roller 66 again, then winds to another tensioning roller 69, then carries out the ejection of compact.

In the material conveying and pressing unit for the mask production line of this embodiment, the tensioning movable assembly 55 further includes a tensioning driving element 70, an output end of the tensioning driving element 70 is connected to a fixed block 71, the fixed block 71 is connected to the other end of the rocker arm 65, and the tensioning driving element 70 is configured to drive the fixed block 71 to move up and down. Specifically, in this embodiment, the tensioning driving member 70 may be arranged, the sensor detects the tension degree of the cloth, and the sensor is in signal connection with the tensioning driving member 70, so that the tensioning driving member 70 actively drives the fixing block 71 to move up and down to drive the rocker arm 65 to swing, so that the deadweight shaft roller 66 presses against the cloth, and the tensioning adjustment is realized, and the arrangement is favorable for automation; of course, when the tension driving member 70 is not used, the cloth can be tensioned by the weight of the dead-weight roller 66.

A gauze mask production line material transport pressfitting unit described in this embodiment, leveling device is carried to cloth still includes a plurality of leveling transmission beam barrel 72, and a plurality of leveling transmission beam barrel 72 are located between first automatic deviation rectifier 74 and total automatic deviation rectifier 73, and the cloth walks around a plurality of leveling transmission beam barrel 72 after sending out from first automatic deviation rectifier 74 and then gets into total automatic deviation rectifier 73 and carries out deviation rectification control. Specifically, the cloth is sent out from the first automatic deviation rectifier 74, then bypasses the leveling transmission shaft rollers 72, and enters the main automatic deviation rectifier 73 to be subjected to deviation rectification control, and the leveling transmission shaft rollers 72 have the effects of transition and tensioning, and the structure is reliable.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a gauze mask production line material transport pressfitting unit which characterized in that: the nose belt conveying device comprises a rack, wherein the rack is provided with a cloth conveying leveling device and a nose belt conveying device;

the machine frame is also provided with a pressing device, the pressing device is used for pressing the cloth and the cut flexible material together, and the pressing device is positioned at the discharge end of the nose band shearing mechanism;

levelling device is carried to cloth is including all installing total automatic rectifying device, a plurality of traction assembly, a plurality of tensioning subassembly and a plurality of first automatic rectifying device in the frame, traction assembly, tensioning subassembly and first automatic rectifying device one-to-one, the cloth passes through in proper order traction assembly tensioning assembly first automatic rectifying device and total automatic rectifying device are back to seeing off to compression fittings, traction assembly is used for driving the cloth and carries forward, the tensioning subassembly is used for carrying out the tensioning to the cloth and adjusts, first automatic rectifying device with total automatic rectifying device all is used for carrying out horizontal off tracking control to the cloth.

2. The mask production line material conveying and laminating unit of claim 1, wherein: the nose band straightening mechanism comprises a straightening base and a plurality of guide wheels, the guide wheels are rotatably arranged on the straightening base in two rows, and the two rows of guide wheels are used for conveying and straightening the coiled material; a plurality of movable pinch rollers are arranged between one row of guide wheels, the rear ends of the movable pinch rollers are rotatably provided with limit sliding blocks, the straightening base is provided with limit sliding grooves matched with the limit sliding blocks in a sliding mode, the limit sliding blocks move up and down in the limit sliding grooves, the lower ends of the limit sliding blocks are connected with straightening springs, and one ends, far away from the limit sliding blocks, of the straightening springs are connected with the inner walls of the limit sliding grooves.

3. The mask production line material conveying and laminating unit of claim 1, wherein: the nose area straightens the mechanism with still be provided with a plurality of components of straightening between the nose area shearing mechanism, the subassembly of straightening includes the straightening arbor roller, straightens the seat, straightens the cylinder, straightens the connecting block and straightens the gyro wheel, the straightening cylinder is installed straighten the seat, the output of straightening the cylinder with the straightening connecting block is connected, straighten the gyro wheel rotate set up in the straightening connecting block, the straightening gyro wheel is located the top of straightening arbor roller, straighten the gyro wheel be used for with the smooth butt of straightening arbor roller, the straightening arbor roller rotate set up in the frame.

4. The mask production line material conveying and laminating unit of claim 1, wherein: the nose area is sheared mechanism is including shearing base, shearing transmission shaft, final drive wheel, shearing from driving wheel, shearing driven shaft, shearing synchronizing wheel and shearing rotating head, the periphery of shearing rotating head is equipped with a plurality of cutters with the equal space ring of shearing driven shaft all rotate set up in shear the base, the rear end cover of shearing transmission shaft is equipped with final drive wheel and shearing synchronizing wheel, shearing synchronizing wheel with it connects from driving wheel meshing transmission to shear, shear from the front end of driving wheel with shearing rotating head coaxial coupling, the front end of shearing transmission shaft is provided with the shearing axle sleeve, flexible material from shearing rotating head with pass through between the shearing axle sleeve, cut flexible material along with the rotation of shearing rotating head.

5. The mask production line material conveying and laminating unit of claim 4, wherein: a feeding channel and a discharging channel are respectively arranged on two sides of the shearing base, and the feeding channel and the discharging channel are correspondingly arranged; the outlet of the feeding channel and the inlet of the discharging channel are aligned with the gap between the shearing rotating head and the shearing shaft sleeve.

6. The mask production line material conveying and laminating unit of claim 1, wherein: the material rack comprises a threaded sleeve, a position adjusting mechanism arranged at the outer side end part and coaxial with the threaded sleeve, and a material tray and a tension adjusting mechanism which are both arranged on the periphery of the position adjusting mechanism, wherein the tension adjusting mechanism is used for adjusting the tension of the flexible material, and the position adjusting mechanism is used for adjusting the position of the material tray;

7. The mask production line material conveying and laminating unit of claim 6, wherein: the position adjusting mechanism also comprises a sliding sleeve, and the material tray and the tension adjusting mechanism are both arranged on the excircle of the sliding sleeve;

8. The mask production line material conveying and laminating unit of claim 7, wherein: tension adjustment mechanism installs swivel casing's tip, tension adjustment mechanism includes adjusting nut, compression spring, retaining ring and rubber pad, adjusting nut spiro union in the outer tip of sliding sleeve, compression spring establishes the periphery of sliding sleeve is located between adjusting nut and the retaining ring, retaining ring movable sleeve is established the periphery of sliding sleeve, the rubber pad cover is located the periphery of sliding sleeve is located between retaining ring and the swivel casing.

9. The mask production line material conveying and laminating unit of claim 1, wherein: the frame is also provided with a pressing component, the pressing component is positioned above the traction component, and the pressing component is used for pressing the cloth conveyed by the traction component;

10. The mask production line material conveying and laminating unit of claim 1, wherein: the traction assembly comprises a traction cylinder and a traction driving piece for driving the traction cylinder to rotate, the traction driving piece is arranged on the rack, and the traction cylinder is rotatably arranged on the rack;

the traction assembly further comprises two first material guide roll shafts which are arranged in parallel and at intervals, the first material guide roll shafts are rotatably connected with the rack, and the two first material guide roll shafts are respectively positioned on two sides below the traction cylinder.