CN112120331B - Ear strap loading attachment - Google Patents
Ear strap loading attachment Download PDFInfo
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- CN112120331B CN112120331B CN202011039002.3A CN202011039002A CN112120331B CN 112120331 B CN112120331 B CN 112120331B CN 202011039002 A CN202011039002 A CN 202011039002A CN 112120331 B CN112120331 B CN 112120331B
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- ear belt
- ear
- bending
- driving
- belt
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- 230000007246 mechanism Effects 0.000 claims abstract description 151
- 238000005452 bending Methods 0.000 claims abstract description 115
- 238000003825 pressing Methods 0.000 claims description 31
- 210000000078 claw Anatomy 0.000 claims description 28
- 238000010008 shearing Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- A41H42/00—Multi-step production lines for making clothes
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
- A41H43/0235—Feeding or advancing
- A41H43/0242—Conveyors therefor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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)
- Basic Packing Technique (AREA)
Abstract
本发明公开了一种耳带上料装置，包括耳带折弯装置、连接机构、耳带输送装置和控制系统；连接机构包括连接块、第一轴承随动器和第二轴承随动器；连接块与耳带折弯装置连接；第一轴承随动器和第二轴承随动器分别与连接块连接；耳带输送装置包括动力装置、安装板、连杆和用于限制耳带折弯装置转动的限位导向机构；安装板上设有曲线槽；连杆上设有第一滑槽；第一轴承随动器与曲线槽滑动连接；第二轴承随动器与第一滑槽滑动连接；动力装置与连杆连接，动力装置用于驱动连杆转动，以使耳带折弯装置沿所述曲线槽的轨迹平移。本发明的技术方案，运动平稳，上料速度快，定位精度高，使立体口罩生产效率大大提高。
The present invention discloses an ear band feeding device, including an ear band bending device, a connecting mechanism, an ear band conveying device and a control system; the connecting mechanism includes a connecting block, a first bearing follower and a second bearing follower; the connecting block is connected to the ear band bending device; the first bearing follower and the second bearing follower are respectively connected to the connecting block; the ear band conveying device includes a power device, a mounting plate, a connecting rod and a limit guide mechanism for limiting the rotation of the ear band bending device; a curved groove is provided on the mounting plate; a first slide groove is provided on the connecting rod; the first bearing follower is slidably connected to the curved groove; the second bearing follower is slidably connected to the first slide groove; the power device is connected to the connecting rod, and the power device is used to drive the connecting rod to rotate so that the ear band bending device can translate along the trajectory of the curved groove. The technical solution of the present invention has stable movement, fast feeding speed and high positioning accuracy, which greatly improves the production efficiency of three-dimensional masks.
Description
Technical Field
The invention relates to the field of mask machines, in particular to an ear belt feeding device.
Background
The mask is a sanitary article made of fabrics, melt-blown cloth, non-woven fabrics and other materials and used for filtering air entering the nose. The three-dimensional mask adopts a three-dimensional structure design which is matched with the shape of the face, and a cup-shaped structure is formed after the mask is unfolded.
The ear belt of the three-dimensional mask is required to be subjected to feeding and welding after being bent, and the production efficiency of the three-dimensional mask is generally related to the feeding speed of the ear belt. The feeding speed of the existing ear strap feeding device is slower, the feeding process is unstable, the feeding positioning of the ear strap is inaccurate, the welding position of the ear strap is inconsistent easily, and then the problems of lower production efficiency of the three-dimensional mask and higher defective rate of the three-dimensional mask product are caused.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the ear belt feeding device provided by the invention has the advantages of stable movement, high feeding speed and high positioning precision, greatly improves the production efficiency of the three-dimensional mask, and simultaneously reduces the defective rate of the three-dimensional mask product.
The ear belt feeding device comprises an ear belt bending device, a connecting mechanism, a power device, a connecting rod and a limit guide mechanism, wherein the ear belt bending device is used for taking and bending an ear belt, the connecting mechanism comprises a connecting block, a first bearing follower and a second bearing follower, the connecting block is fixedly connected with the ear belt bending device, the first bearing follower and the second bearing follower are respectively connected with the connecting block, the ear belt conveying device comprises a power device, a mounting plate, a connecting rod and the limit guide mechanism, a curved groove is formed in the mounting plate, a first sliding groove is formed in the connecting rod, the first bearing follower is in sliding connection with the curved groove, the second bearing follower is in sliding connection with the first sliding groove, the limit guide mechanism is respectively connected with the mounting plate and the ear belt bending device, the limit guide mechanism is used for limiting rotation of the ear belt bending device, the power device is connected with the connecting rod, the power device is used for driving the connecting rod to rotate, so that the ear belt bending device can move along a curved track, and the control system is connected with the ear belt bending device in a translational mode, and the ear belt bending system is respectively connected with the power device.
The ear belt feeding device has the advantages that the ear belt feeding device adopts the power device to drive the ear belt bending device to translate and slide along the track of the curve groove to finish the feeding movement of the ear belt, the ear belt bending device is used for bending the ear belt during the feeding of the ear belt, the ear belt feeding device can keep high-speed stability in the production process from taking the ear belt to bending and feeding the ear belt, the material taking and feeding speed of the ear belt is low, the action is stable, the circulation period is short, the production efficiency of the three-dimensional mask is greatly improved, the feeding process translates and slides along the track of the curve groove, the movement is stable, the vibration of a machine body is small, the feeding positioning precision of the ear belt is high, the feeding position of each ear belt is at the same position, the ear belt is welded more stably, and the defective rate of the three-dimensional mask is reduced.
According to some embodiments of the invention, the limit guide mechanism comprises a first guide rail pair and a second guide rail pair, wherein the first guide rail pair is connected with the mounting plate, the second guide rail pair is respectively connected with the first guide rail pair and the ear belt bending device, and the sliding direction of the first guide rail pair is intersected with the sliding direction of the second guide rail pair.
According to some embodiments of the invention, the ear belt feeding device further comprises an ear belt threading mechanism, an ear belt traction mechanism and a shearing mechanism, wherein the ear belt threading mechanism, the ear belt traction mechanism and the shearing mechanism are respectively and electrically connected with the control system, the ear belt threading mechanism is connected with the ear belt traction mechanism and used for conveying ear belts, the ear belt traction mechanism is arranged above the ear belt conveying device and used for traction and clamping of the ear belts conveyed by the ear belt threading mechanism, the shearing mechanism is arranged adjacent to the ear belt traction mechanism and used for shearing the clamped ear belts pulled by the ear belt traction mechanism, and the ear belt bending device is used for taking the ear belts from the ear belt traction mechanism.
According to some embodiments of the invention, the ear belt threading mechanism comprises a first driving device, a driving wheel, a pressing wheel, a fixing plate and a plurality of first threading wheels, wherein the driving wheel and the pressing wheel are arranged on the fixing plate, the fixing plate is connected with the ear belt traction mechanism, the first driving device is connected with the driving wheel and is electrically connected with the control system and used for driving the driving wheel to rotate, the pressing wheel is arranged adjacent to the driving wheel and used for pressing an ear belt on the driving wheel, and the first threading wheels are used for threading the ear belt and converting the threading direction.
According to some embodiments of the invention, the ear belt threading mechanism further comprises an adjusting wire wheel and a plurality of first threading blocks, wherein a sliding rod is arranged on the fixed plate, the first threading wheel is arranged on the fixed plate, the sliding rod is arranged below the driving wheel, the adjusting wire wheel is connected to the sliding rod in a sliding mode and used for adjusting the tightening state of the ear belt, the first threading blocks are connected with the fixed plate, and first wire holes are formed in the first threading blocks and used for threading the ear belt.
According to some embodiments of the invention, the ear belt traction mechanism comprises a second driving device, a linear module, a compressing device and an air claw, wherein the air claw is connected with the linear module and used for clamping the ear belt, the second driving device is connected with the linear module and electrically connected with the control system and used for driving the linear module to operate so that the linear module drives the air claw to reciprocate, and the compressing device is used for compressing the ear belt.
According to some embodiments of the invention, the compressing device comprises a guide block, a first air cylinder and a compressing block, wherein a guide groove is formed in the guide block and used for passing the ear belt, the compressing block is arranged in the guide groove and connected with a piston rod of the first air cylinder, and the first air cylinder is used for driving the compressing block to compress the ear belt.
According to some embodiments of the invention, the ear belt traction mechanism further comprises a plurality of second wire passing wheels and at least one second wire passing block, wherein the second wire passing wheels and the second wire passing blocks are respectively arranged on one side of the pressing device, the second wire passing wheels are used for passing wires of ear belts and changing wire passing directions, and the second wire passing blocks are provided with second wire guide holes used for passing wires of the ear belts.
According to some embodiments of the invention, the ear strap traction mechanism further comprises a photoelectric sensor, the photoelectric sensor is electrically connected with the control system, a baffle is arranged on the moving part of the linear module, and the baffle can move along with the moving part of the linear module to penetrate through the photoelectric sensor.
According to some embodiments of the invention, the ear strap bending device comprises a first bending mechanism, a fixing frame and a second bending mechanism, wherein the fixing frame is fixedly connected with the connecting block, the first bending mechanism comprises a clamping assembly used for clamping the ear strap and a third driving device used for driving the clamping assembly to rotate so as to bend the ear strap, the second bending mechanism is identical to the first bending mechanism in structure, and the first bending mechanism and the second bending mechanism are adjacently arranged on the fixing frame.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of an ear band feeding device according to an embodiment of the present invention;
FIG. 2 is an exploded view of an ear strap feeding device according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a first state of an ear band feeding device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a second state of the ear band feeding device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a third state of the ear band feeding device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an ear strap threading mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of an ear strap traction mechanism according to an embodiment of the present invention;
Fig. 8 is a schematic structural view of a shearing mechanism according to an embodiment of the present invention.
Reference numerals:
Ear belt threading mechanism 100, first drive device 110, drive wheel 120, pinch wheel 130, adjustment wheel 140, first threading wheel 150, stationary plate 160, slide bar 161, first threading block 170, first wire guide 171, ear belt traction mechanism 200, second drive device 210, linear module 220, pinch device 230, guide block 231, guide slot 2311, first cylinder 232, pinch block 233, air jaw 240, second threading wheel 250, second threading block 260, second wire guide 261, photoelectric sensor 270, shearing mechanism 300, stationary block 310, second cylinder 320, moving block 330, second runner 331, scissor 340, third bearing follower 350, fourth bearing follower 360, ear belt delivery device 400, power device 410, mounting plate 420, curved slot 421, first rail pair 441, second rail pair 442, connecting rod 430, first runner 431, spacing guide 440, connecting block 451, first bearing follower 452, second bearing follower 453, ear belt bending device 500, first bending mechanism 510, third finger bending device 511, first driving jaw 534, second finger bending device 520, fourth driving jaw 512, fourth finger bending device 53, fourth finger bending device 520, fourth finger bending device 53, first finger bending device and fourth finger bending device 53.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions, such as directions of up, down, front, back, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 5, an ear band feeding device according to an embodiment of the present invention includes an ear band bending device 500, where the ear band bending device 500 is used for taking out and bending an ear band;
The connecting mechanism 450 comprises a connecting block 451, a first bearing follower 452 and a second bearing follower 453, wherein the connecting block 451 is fixedly connected with the ear strap bending device 500;
The ear belt conveying device 400 comprises a power device 410, a mounting plate 420, a connecting rod 430 and a limit guide mechanism 440, wherein a curved slot 421 is formed in the mounting plate 420, a first sliding slot 431 is formed in the connecting rod 430, a first bearing follower 452 is in sliding connection with the curved slot 421, a second bearing follower 453 is in sliding connection with the first sliding slot 431, the limit guide mechanism 440 is respectively connected with the mounting plate 420 and the ear belt bending device 500, the limit guide mechanism 440 is used for limiting rotation of the ear belt bending device 500, the power device 410 is connected with the connecting rod 430, and the power device 410 is used for driving the connecting rod 430 to rotate so as to enable the ear belt bending device 500 to translate along a track of the curved slot 421;
And a control system electrically connected to the ear band bending device 500 and the power device 410, respectively.
Specifically, the first bearing follower 452 is slidably connected with the curved slot 421, that is, the ear belt bending device 500 connected with the connecting block 451 can move along the track of the curved slot 421 along with the first bearing follower 452, the second bearing follower 453 is slidably connected with the first chute 431, that is, the ear belt bending device 500 connected with the connecting block 451 can move along the track of the first chute 431 along with the second bearing follower 453, the power device 410 drives the connecting rod 430 to rotate, the connecting rod 430 and the connecting block 451 can relatively move along the track of the first chute 431, and further the connecting block 451 and the ear belt bending device 500 connected with the connecting block 451 are driven to move along the track of the curved slot 421 to complete feeding of the ear belt. The rotation of the ear band bending device 500 is limited by the limit guide mechanism 440, so that the ear band bending device 500 moves in a translational manner along the track of the curved slot 421.
Further, referring to fig. 3, fig. 3 is a first state of the ear belt feeding device, in which the ear belt is fed by the ear belt bending device 500, after the ear belt is fed, the power device 410 drives the ear belt bending device 500 to perform feeding along the track translational motion of the curved slot 421, referring to fig. 4, fig. 4 is a second state of the ear belt feeding device, in which the power device 410 drives the ear belt bending device 500 to move along the track of the curved slot 421 while the ear belt bending device 500 bends the ear belt, and in which the ear belt bending device 500 performs bending of the ear belt, referring to fig. 5, in which fig. 5 is a third state of the ear belt feeding device, in which the ear belt bending device 500 performs bending of the ear belt. And after the ear belt is welded, resetting the third state of the ear belt feeding device to the first state of the ear belt feeding device, namely returning along the original track, and after resetting, continuing to take out, bend and feed the ear belt. The feeding process is high in speed and stability, the feeding speed is high, the action connection is stable, the cycle period is short, the time spent is less, the production efficiency of the three-dimensional mask is greatly improved, in addition, in the feeding process, the movement is stable, the vibration of the mask body is small, the feeding positioning precision of the ear belt is high, the feeding position of each ear belt is at the same position, the welding of the ear belt is more stable, and the defective rate of the three-dimensional mask caused by the position offset of the feeding of the ear belt is reduced.
Further, in some embodiments, the curved slot 421 has an arc shape, and the ear belt bending device 500 moves more smoothly along the track of the curved slot 421, but is not limited thereto, and different shapes can be selected according to the arrangement of the actual ear belt feeding device and different feeding tracks.
In general, the power device 410 may be a servo motor, a stepping motor, or the like, but is not limited thereto, and may be selected according to practical situations.
Referring to fig. 4, in some embodiments, the limit guide mechanism 440 includes a first guide rail pair 441 and a second guide rail pair 442, the first guide rail pair 441 is connected to the mounting plate 420, the second guide rail pair 442 is connected to the first guide rail pair 441 and the ear belt bending device 500, and a sliding direction of the first guide rail pair 441 intersects a sliding direction of the second guide rail pair 442.
Specifically, the movement of ear band bending device 500 is further limited and guided by the first guide rail pair 441 and the second guide rail pair 442 that are disposed in an intersecting manner, that is, the rotation of ear band bending device 500 is limited, so that ear band bending device 500 can move in a translational manner along the track of curved slot 421. In some embodiments, the guide rail of the first guide rail pair 441 is fixed on the mounting plate 420, the sliding block of the first guide rail pair 441 is connected with the sliding block of the second guide rail pair 442, the connecting block 451 is fixed on the guide rail of the second guide rail pair 442, but not limited thereto, and may be selected according to the actual situation, and preferably, the sliding direction of the first guide rail pair 441 perpendicularly intersects with the sliding direction of the second guide rail pair 442.
Referring to fig. 1, in some embodiments, the ear band feeding device further comprises an ear band threading mechanism 100, an ear band traction mechanism 200 and a shearing mechanism 300, wherein the ear band threading mechanism 100, the ear band traction mechanism 200 and the shearing mechanism 300 are respectively electrically connected with the control system;
The ear belt threading mechanism 100 is connected with the ear belt traction mechanism 200, the ear belt threading mechanism 100 is used for conveying ear belts, the ear belt traction mechanism 200 is arranged above the ear belt conveying device 400, the ear belt traction mechanism 200 is used for traction and clamping of the ear belts conveyed by the ear belt threading mechanism 100, the shearing mechanism 300 is arranged adjacent to the ear belt traction mechanism 200, the shearing mechanism 300 is used for shearing the ear belts clamped by the ear belt traction mechanism 200 in a traction mode, and the ear belt bending device 500 is used for taking the ear belts from the ear belt traction mechanism 200.
Referring to fig. 5, in some embodiments, the ear belt threading mechanism 100 includes a first driving device 110, a driving wheel 120, a pinch wheel 130, a fixing plate 160 and a plurality of first threading wheels 150, wherein the driving wheel 120 and the pinch wheel 130 are both disposed on the fixing plate 160, the fixing plate 160 is connected with the ear belt traction mechanism 200, the first driving device 110 is connected with the driving wheel 120, the first driving device 110 is electrically connected with a control system, the first driving device 110 is used for driving the driving wheel 120 to rotate, the pinch wheel 130 is disposed adjacent to the driving wheel 120, the pinch wheel 130 is used for compressing the ear belt on the driving wheel 120, and the first threading wheel 150 is used for threading the ear belt and changing the threading direction.
Specifically, the ear strap is fed out from the ear strap roll, fed in between the drive wheel 120 and the pinch wheel 130, and fed out around the first wire passing wheel 150. The first wire passing wheel 150 is used for passing the wire of the ear belt and changing the wire passing direction, the pulling force of the ear belt on two sides of the first wire passing wheel is equal, and deformation or breakage caused by overlarge pulling force in the conveying process of the ear belt is reduced.
Referring to fig. 6, in some embodiments, the ear strap threading mechanism 100 further includes an adjusting wire wheel 140 and a plurality of first wire threading blocks 170, a sliding rod 161 is disposed on the fixed plate 160, the first wire threading wheel 150 is disposed on the fixed plate 160, the sliding rod 161 is disposed below the driving wheel 120, the adjusting wire wheel 140 is slidably connected to the sliding rod 161, the adjusting wire wheel 140 is used for adjusting the tightening state of the ear strap, the first wire threading blocks 170 are connected to the fixed plate 160, a first wire guide 171 is disposed on the first wire threading blocks 170, and the first wire guide 171 is used for ear strap threading.
Specifically, the adjusting wire wheel 140 is slidably connected to the sliding rod 161, when the first driving device 110 drives the driving wheel 120 to rotate to send the ear belt, the ear belt is loosened, at this time, the adjusting wire wheel 140 slides down under the action of gravity to press the ear belt down to tighten the ear belt, and when the ear belt traction mechanism pulls the ear belt, the adjusting wire wheel 140 is pulled up along the sliding rod 161 along with the ear belt due to the mismatch of the sending speed and the pulling speed of the ear belt.
Referring to fig. 7, in some embodiments, the ear band traction mechanism 200 includes a second driving device 210, a linear module 220, a compressing device 230 and an air jaw 240, the air jaw 240 is connected with the linear module 220, the air jaw 240 is used for clamping the ear band, the second driving device 210 is connected with the linear module 220, the second driving device 210 is electrically connected with the control system, the second driving device 210 is used for driving the linear module 220 to operate, so that the linear module 220 drives the air jaw 240 to reciprocate, and the compressing device 230 is used for compressing the ear band.
Specifically, after the ear belt is fed, the ear belt traction mechanism 200 is used for traction, the ear wire penetrates from the pressing device 230, the second driving device 210 drives the air claw 240 to move to one side of the pressing device 230, the air claw 240 clamps the ear belt, and the second driving device 210 drives the air claw 240 to be far away from the pressing device 230 for pulling the ear belt. When the ear strap is pulled to a certain length, the ear strap is compressed by the compressing device 230.
In general, the second driving device 210 is a stepping motor, a servo motor, etc., and the linear module 220 is a synchronous belt module, a ball screw pair module, etc., but the present invention is not limited thereto, and may be selected according to the actual situation.
Referring to fig. 7, in some embodiments, the compressing apparatus 230 includes a guide block 231, a first cylinder 232 and a compressing block 233, wherein a guide groove 2311 is provided on the guide block 231, the guide groove 2311 is used for passing the ear belt, the compressing block 233 is provided in the guide groove 2311, the compressing block 233 is connected with a piston rod of the first cylinder 232, and the first cylinder 232 is used for driving the compressing block 233 to compress the ear belt.
Specifically, the ear strap is threaded between the guide slot 2311 and the compression block 233. When the ear belt is pulled to a certain length, the first cylinder 232 drives the pressing block 233 to press the ear belt.
Referring to fig. 7, in some embodiments, the ear belt traction mechanism 200 further includes a plurality of second wire passing wheels 250 and at least one second wire passing block 260, wherein the second wire passing wheels 250 and the second wire passing blocks 260 are respectively disposed at one side of the pressing device 230, the second wire passing wheels 250 are used for passing the ear belt wire and changing the wire passing direction, and the second wire passing blocks 260 are provided with second wire holes 261, and the second wire holes 261 are used for passing the ear belt wire. The ear belt passes through the second wire passing wheels 250 and the second wire guide holes 261, and the second wire passing wheels 250 are used for passing wires and changing the wire passing direction of the ear belt, so that the stress of each section of the ear belt is uniform, and the ear belt is prevented from being broken.
Referring to fig. 7, in some embodiments, the ear strap traction mechanism 200 further includes a photoelectric sensor 270, the photoelectric sensor 270 is electrically connected to the control system, a blocking piece 221 is provided on the moving portion of the linear module 220, and the blocking piece 221 is capable of moving with the moving portion of the linear module 220 to pass through the photoelectric sensor 270.
Specifically, the air claw 240 is disposed on the moving portion of the linear module 220, by disposing the photoelectric sensor 270, when the blocking piece 221 moves to a position just passing through the photoelectric sensor 270, the control system controls the second driving device 210 to stop driving the air claw 240 to move, so that the air claw 240 pulls the ear belt to a certain distance, after the ear belt is sheared and fed, the control system controls the second driving device 210 to reverse, so that the air claw 240 is driven to reset to the position for clamping the ear belt, and the position of the photoelectric sensor 270 can be set according to the length of the required ear belt, so that the length of the ear belt pulled by the air claw 240 is the same each time.
Referring to fig. 8, in some embodiments, the ear band feeding device further comprises a cutting mechanism 300, wherein the cutting mechanism 300 is electrically connected to the control system, and the cutting mechanism 300 is used for cutting the ear band.
Specifically, the shearing mechanism 300 includes a fixed block 310, a second air cylinder 320, a moving block 330, a pair of scissors 340, two third bearing followers 350 and two fourth bearing followers 360, the moving block 330 is respectively connected with the second air cylinder 320 and the pair of scissors 340, two sides of the moving block 330 are respectively provided with a second sliding groove 331, each third bearing follower 350 and each fourth bearing follower 360 are respectively arranged on the fixed block 310 and are oppositely arranged on two sides of the moving block 330, the third bearing followers 350 are in sliding connection with the second sliding groove 331, the second air cylinder 320 is used for pushing the pair of scissors 340 to enable the handles of the pair of scissors 340 and the third bearing followers 350 to move relatively to complete shearing action, and the fourth bearing followers 360 are used for guiding the moving block 330.
Referring to fig. 2 to 5, in some embodiments, the ear band bending apparatus 500 includes a first bending mechanism 510, a fixing frame 520 and a second bending mechanism 530, the fixing frame 520 is fixedly connected with the connection block 451, the first bending mechanism 510 includes a clamping assembly for clamping the ear band and a third driving device 511 for driving the clamping assembly to rotate so as to bend the ear band, the second bending mechanism 530 has the same structure as the first bending mechanism 510, and the first bending mechanism 510 and the second bending mechanism 530 are disposed on the fixing frame 520 adjacent to each other.
Specifically, the first bending mechanism 510 includes a third driving device 511, a first pneumatic finger 512, a first clamping jaw 513 and a first fixing jaw 514, the first fixing jaw 514 is connected with a fixing portion of the first pneumatic finger 512, the first clamping jaw 513 is connected with a moving portion of the first pneumatic finger 512, the first pneumatic finger 512 is used for driving the first clamping jaw 513 to cooperate with the first fixing jaw 514 to clamp one side of the ear strap, the second bending mechanism 530 includes a fourth driving device 531, a second pneumatic finger 532, a second clamping jaw 533 and a second fixing jaw 534, the second fixing jaw 534 is connected with a fixing portion of the second pneumatic finger 532, the second clamping jaw 533 is connected with a moving portion of the second pneumatic finger 532, the fourth driving device 531 and the second pneumatic finger 532 are respectively electrically connected with a control system, the first pneumatic finger 512 is used for driving the first clamping jaw 514 to cooperate with the first fixing jaw 514 to clamp one side of the ear strap, the second pneumatic finger 533 is used for driving the second clamping jaw 533 to cooperate with the second clamping jaw 534 to drive the first bending mechanism to clamp one side of the ear strap 510, and the second pneumatic finger 533 is used for driving the first bending mechanism to rotate to clamp the other side of the first bending mechanism 510.
Further, referring to fig. 3 to 5, after the ear belt is pulled by the ear belt pulling mechanism, referring to fig. 3, fig. 3 is a first state of the ear belt feeding device, at this time, the first pneumatic finger 512 drives the first movable clamping jaw 513 to cooperate with the first fixed clamping jaw 514 to clamp one end of the ear belt, and the second pneumatic finger 532 drives the second movable clamping jaw 533 to cooperate with the second fixed clamping jaw 534 to clamp the other end of the ear belt. After the first bending mechanism 510 and the second bending mechanism 530 clamp the ear belt, the shearing mechanism shears the ear belt, and the ear belt taking is completed. After the ear belt is taken, the power device 410 drives the ear belt bending device 500 to move along the track of the curved slot 421 to feed, referring to fig. 4, fig. 4 is a second state of the ear belt feeding device, the state is a feeding process state, the third driving device 511 drives the first pneumatic finger 512 to rotate clockwise towards one side of the second bending mechanism 530, the fourth driving device 531 drives the second pneumatic finger 532 to rotate anticlockwise towards one side of the first bending mechanism 510 to bend the ear belt, and after the ear belt is fed, referring to fig. 5, fig. 5 is a third state of the ear belt feeding device, the third driving device 511 drives the first pneumatic finger 512 to rotate clockwise by 90 degrees, and the fourth driving device 531 drives the second pneumatic finger 532 to rotate anticlockwise by 90 degrees to bend the ear belt.
The ear band feeding device according to the invention is described in detail below with reference to fig. 1 in a specific embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the invention in any way.
As shown in fig. 1, referring to fig. 2 to 8, the ear band feeding device of the present invention includes an ear band threading mechanism 100, an ear band traction mechanism 200, a shearing mechanism 300, an ear band conveying device 400, a connecting mechanism 450, an ear band bending device 500, and a control system.
The ear belt threading mechanism 100 comprises a first driving device 110, a driving wheel 120, a pressing wheel 130, an adjusting wire wheel 140, a first wire threading wheel 150, a fixed plate 160 and two first wire threading blocks 170, wherein the first driving device 110, the driving wheel 120, the pressing wheel 130, the adjusting wire wheel 140 and the two first wire threading wheels 150 are respectively arranged on the fixed plate 160, the first driving device 110 is electrically connected with the driving wheel 120, the first driving device 110 is used for driving the driving wheel 120 to rotate, the pressing wheel 130 is arranged adjacent to the driving wheel 120 and is forced by the tension of an elastic piece to compress an ear belt on the driving wheel 120, the first wire threading wheel 150 is used for threading and changing the wire threading direction, a sliding rod 161 is arranged on the fixed plate 160 and is arranged below the driving wheel 120, the adjusting wire wheel 140 is connected onto the sliding rod 161 in a sliding mode, the adjusting wire threading wheel 140 is adjusted to be in a stretched state under the action of gravity, a first wire threading hole 171 is arranged on the first wire threading block 170, the first wire threading hole 171 is used for threading the ear belt, and the ear belt threading device is connected with the traction mechanism 160 through the fixed plate.
The ear belt traction mechanism 200 is arranged above the ear belt conveying device 400, and comprises a second driving device 210, a linear module 220, a pressing device 230, an air claw 240, three second wire passing wheels 250, a second wire passing block 260 and a photoelectric sensor 270, wherein the air claw 240 is connected with the linear module 220, the air claw 240 is used for clamping ear belts, the second driving device 210 is connected with the linear module 220, the second driving device 210 is electrically connected with a control system, the second driving device 210 is used for driving the linear module 220 to operate so that the linear module 220 drives the air claw 240 to reciprocate, the linear module 220 is a synchronous belt module, a baffle 221 is arranged on a moving part of the linear module 220, the pressing device 230 comprises a guide block 231, a first air cylinder 232 and a pressing block 233, a guide groove 2311 is formed in the guide block 231, the guide groove 2311 is used for passing the ear belts, the pressing block 233 is arranged in the guide groove 2311, the pressing block 233 is connected with a piston rod of the first air cylinder 232, and the first air cylinder 232 is used for driving the pressing block 233 to press the ear belts. The second wire passing wheel 250 and the second wire passing block 260 are respectively arranged at one side of the pressing device 230, the second wire passing wheel 250 is used for passing wires through the ear belt and changing the wire passing direction, and the second wire passing block 260 is provided with a second wire hole 261, and the second wire hole 261 is used for passing wires through the ear belt.
The shearing mechanism 300 is arranged adjacent to the ear belt traction mechanism 200, the shearing mechanism 300 comprises a fixed block 310, a second air cylinder 320, a moving block 330, scissors 340, two third bearing followers 350 and two fourth bearing followers 360, the moving block 330 is respectively connected with the second air cylinder 320 and the scissors 340, two sides of the moving block 330 are respectively provided with a second sliding groove 331, each third bearing follower 350 and each fourth bearing follower are arranged on the fixed block 310 and are oppositely arranged on two sides of the moving block 330, the third bearing followers 350 are in sliding connection with the second sliding grooves 331, the second air cylinder 320 is used for pushing the scissors 340 to move so that handles of the scissors 340 and the third bearing followers 350 can move relatively to complete shearing action, and the fourth bearing followers 360 are used for guiding the moving block 330.
The connection mechanism 450 includes a connection block 451, a first bearing follower 452 and a second bearing follower 453, the connection block 451 being connected to the ear strap bending device 500, the first bearing follower 452 and the second bearing follower 453 being connected to the connection block 451, respectively.
The ear belt conveying device 400 comprises a power device 410, a mounting plate 420, a connecting rod 430 and a limit guide mechanism 440, wherein a curved slot 421 is arranged on the mounting plate 420, a first chute 431 is arranged on the connecting rod 430, a first bearing follower 452 is in sliding connection with the curved slot 421, a second bearing follower 453 is in sliding connection with the first chute 431, the power device 410 is connected with the connecting rod 430, and the power device 410 is used for driving the connecting rod 430 to rotate so as to enable the ear belt bending device 500 to horizontally slide along the track of the curved slot 421
The limit guide mechanism 440 comprises two first guide rail pairs 441 and a second guide rail pair 442, the sliding direction of the first guide rail pair 441 is perpendicular to the sliding direction of the second guide rail pair 442, the limit guide mechanism 440 is used for limiting the rotation of the ear belt bending device 500 so that the ear belt bending device 500 can move in a translational manner along the track of the curved slot 421, the guide rail of the first guide rail pair 441 is fixed on the mounting plate 420, the sliding block of the first guide rail pair 441 is connected with the sliding block of the second guide rail pair 442, and the connecting block 451 is fixed on the guide rail of the second guide rail pair 442.
The first bending mechanism 510 comprises a third driving device 511, a first pneumatic finger 512, a first movable clamping jaw 513 and a first fixed clamping jaw 514, wherein the first fixed clamping jaw 514 is connected with a fixed part of the first pneumatic finger 512, the first movable clamping jaw 513 is connected with a movable part of the first pneumatic finger 512, and the first pneumatic finger 512 is used for driving the first movable clamping jaw 513 to be matched with the first fixed clamping jaw 514 so as to clamp one side of the ear strap;
The second bending mechanism 530 comprises a fourth driving device 531, a second pneumatic finger 532, a second movable clamping jaw 533 and a second fixed clamping jaw 534, wherein the second fixed clamping jaw 534 is connected with a fixed part of the second pneumatic finger 532, the second movable clamping jaw 533 is connected with a movable part of the second pneumatic finger 532, and the second pneumatic finger 532 is used for driving the second movable clamping jaw 533 to be matched with the second fixed clamping jaw 534 so as to clamp the other side of the ear belt;
The first bending mechanism 510 is disposed adjacent to the second bending mechanism 530, the third driving device 511 is configured to drive the first pneumatic finger 512 to rotate towards the second bending mechanism 530, and the fourth driving device 531 is configured to drive the second pneumatic finger 532 to rotate towards the first bending mechanism 510, so as to bend the ear strap.
The specific working process is as follows:
1. The ear belt is fed out from the ear belt and passes through the two first wire guide holes 171, the first driving device 110 drives the driving wheel 120 to move so that the ear belt enters from between the driving wheel 120 and the pressing wheel 130, and then bypasses the adjusting wire wheel 140 and finally bypasses the first wire guide wheel 150;
2. the second driving device 210 drives the air claw 240 to move to one side of the pressing device 230, the air claw 240 clamps the ear belt, and the second driving device 210 drives the air claw 240 to be far away from the pressing device 230 to pull the ear belt;
3. when the blocking piece 221 moves to the position of the photoelectric sensor 270 along with the moving part of the linear module 220, the second driving device 210 stops driving the air claw 240 to move, so that the air claw 240 pulls the ear belt to a certain distance;
4. The first pneumatic finger 512 drives the first movable clamping jaw 513 to be matched with the first fixed clamping jaw 514 to clamp one end of the ear belt, and the second pneumatic finger 532 drives the second movable clamping jaw 533 to be matched with the second fixed clamping jaw 534 to clamp the other end of the ear belt;
5. the second cylinder 320 pushes the scissors 340 to cut the ear band;
6. After shearing is finished, the power device 410 drives the ear belt bending device 500 to move along the track of the curved slot 421, meanwhile, the control system controls the second driving device 210 to rotate reversely to drive the air claw 240 to reset to one side of the pressing device 230, the air claw 240 clamps the ear belt, the first air cylinder 232 drives the pressing block 233 to loosen the ear belt, the air claw 240 is driven by the second driving device 210 to be far away from the pressing device 230 to pull the ear belt, and when the baffle 221 moves to the position of the photoelectric sensor 270 along with the moving part of the linear module 220, the second driving device 210 stops driving the air claw 240 to move to enable the air claw 240 to pull the ear belt to a certain distance;
7. Simultaneously, the third driving device 511 drives the first pneumatic finger 512 to rotate clockwise towards the second bending mechanism 530 side, and the fourth driving device 531 drives the second pneumatic finger 532 to rotate anticlockwise towards the first bending mechanism 510 side, so as to bend the ear belt;
8. When the ear belt conveying device 400 finishes feeding, the ear belt conveying device is in a third state as shown in fig. 5, at this time, the third driving device 511 drives the first pneumatic finger 512 to rotate 90 ° clockwise to the side of the second bending mechanism 530, and the fourth driving device 531 drives the second pneumatic finger 532 to rotate 90 ° counterclockwise to the side of the second bending mechanism 530, so that the ear belt is bent and fed;
9. After the ear belt is bent and fed, welding the ear belt;
10. After the welding is finished, the first pneumatic finger 512 drives the first movable clamping jaw 513 to be separated from the first fixed clamping jaw 514 to loosen one end of the ear belt, and the second pneumatic finger 532 drives the second movable clamping jaw 533 to be separated from the second fixed clamping jaw 534 to loosen the other end of the ear belt;
11. The power device 410 drives the ear strap bending device 500 to reset, the third driving device 511 drives the first pneumatic finger 512 to reset, and the fourth driving device 531 drives the second pneumatic finger 532 to reset, and the process returns to the process 4.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specifically," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. Ear strap loading attachment, its characterized in that includes:
The ear belt bending device is used for taking and bending the ear belt;
The connecting mechanism comprises a connecting block, a first bearing follower and a second bearing follower, wherein the connecting block is fixedly connected with the ear strap bending device;
The ear belt conveying device comprises a power device, a mounting plate, a connecting rod and a limit guide mechanism, wherein a curve groove is formed in the mounting plate, a first chute is formed in the connecting rod, a first bearing follower is connected with the curve groove in a sliding mode, a second bearing follower is connected with the first chute in a sliding mode, the limit guide mechanism is respectively connected with the mounting plate and the ear belt bending device and used for limiting rotation of the ear belt bending device, the power device is connected with the connecting rod and used for driving the connecting rod to rotate so that the ear belt bending device can translate along a track of the curve groove;
the control system is electrically connected with the ear belt bending device and the power device respectively;
The limiting guide mechanism comprises a first guide rail pair and a second guide rail pair, wherein the first guide rail pair is connected with the mounting plate, the second guide rail pair is respectively connected with the first guide rail pair and the ear belt bending device, and the sliding direction of the first guide rail pair is intersected with the sliding direction of the second guide rail pair;
the ear belt feeding device further comprises an ear belt threading mechanism, an ear belt traction mechanism and a shearing mechanism, wherein the ear belt threading mechanism, the ear belt traction mechanism and the shearing mechanism are respectively and electrically connected with the control system;
The ear belt winding mechanism is connected with the ear belt traction mechanism, and is used for conveying ear belts, the ear belt traction mechanism is arranged above the ear belt conveying device and is used for traction and clamping of the ear belts conveyed by the ear belt winding mechanism, the shearing mechanism is arranged adjacent to the ear belt traction mechanism and is used for shearing the clamped ear belts pulled by the ear belt traction mechanism, and the ear belt bending device is used for taking the ear belts from the ear belt traction mechanism;
The ear strap bending device comprises a first bending mechanism, a fixing frame and a second bending mechanism, wherein the fixing frame is fixedly connected with the connecting block;
The first bending mechanism comprises a clamping assembly for clamping the ear belt and a third driving device for driving the clamping assembly to rotate so as to bend the ear belt;
the second bending mechanism and the first bending mechanism have the same structure;
the first bending mechanism and the second bending mechanism are adjacently arranged on the fixing frame.
2. The ear belt feeding device according to claim 1, wherein the ear belt threading mechanism comprises a first driving device, a driving wheel, a pressing wheel, a fixing plate and a plurality of first threading wheels, the driving wheel and the pressing wheel are arranged on the fixing plate, the fixing plate is connected with the ear belt traction mechanism, the first driving device is connected with the driving wheel and is electrically connected with the control system and used for driving the driving wheel to rotate, the pressing wheel is arranged adjacent to the driving wheel and used for pressing an ear belt on the driving wheel, and the first threading wheels are used for threading the ear belt and converting the threading direction.
3. The ear belt feeding device according to claim 2 is characterized by further comprising an adjusting wire wheel and a plurality of first wire passing blocks, wherein a sliding rod is arranged on the fixed plate, the first wire passing wheels are arranged on the fixed plate, the sliding rod is arranged below the driving wheel, the adjusting wire wheel is connected to the sliding rod in a sliding mode and used for adjusting the tightening state of the ear belt, the first wire passing blocks are connected with the fixed plate, and first wire holes are formed in the first wire passing blocks and used for passing the ear belt.
4. The ear belt feeding device according to claim 1, wherein the ear belt traction mechanism comprises a second driving device, a linear module, a compressing device and an air claw, the air claw is connected with the linear module and used for clamping the ear belt, the second driving device is connected with the linear module and electrically connected with the control system, the second driving device is used for driving the linear module to operate so that the linear module drives the air claw to reciprocate, and the compressing device is used for compressing the ear belt.
5. The ear belt feeding device according to claim 4, wherein the compressing device comprises a guide block, a first air cylinder and a compressing block, the guide block is provided with a guide groove, the guide groove is used for passing an ear belt, the compressing block is arranged in the guide groove and connected with a piston rod of the first air cylinder, and the first air cylinder is used for driving the compressing block to compress the ear belt.
6. The ear belt feeding device according to claim 5, wherein the ear belt traction mechanism further comprises a plurality of second wire passing wheels and at least one second wire passing block, the second wire passing wheels and the second wire passing blocks are respectively arranged on one side of the pressing device, the second wire passing wheels are used for passing wires of the ear belt and converting wire passing directions, and the second wire passing blocks are provided with second wire guide holes used for passing wires of the ear belt.
7. The ear belt feeding device according to claim 4, wherein the ear belt traction mechanism further comprises a photoelectric sensor, the photoelectric sensor is electrically connected with the control system, a baffle is arranged on the moving part of the linear module, and the baffle can move along with the moving part of the linear module to penetrate through the photoelectric sensor.
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| CN202011039002.3A CN112120331B (en) | 2020-09-28 | 2020-09-28 | Ear strap loading attachment |
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| CN112120331B true CN112120331B (en) | 2024-12-03 |
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| CN112971240A (en) * | 2021-03-19 | 2021-06-18 | 三峡大学 | Self-pressing device of ear belt traction mechanism of mask machine and using method |
| CN113044667A (en) * | 2021-03-19 | 2021-06-29 | 三峡大学 | Self-adaptive tensioning feeding mask machine ear belt supply mechanism and control method |
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| CN213908727U (en) * | 2020-09-28 | 2021-08-10 | 广东瑞迪智能技术有限公司 | Ear belt feeding device |
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| CN201758838U (en) * | 2010-06-02 | 2011-03-16 | 曾永贵 | A mask outer ear strap welding machine |
| CN107009634B (en) * | 2017-05-26 | 2023-03-10 | 广东快裕达自动化科技有限公司 | Full-automatic cup-shaped mask machine |
| CN207432815U (en) * | 2017-05-26 | 2018-06-01 | 东莞快裕达自动化设备有限公司 | A kind of full-automatic cup type breathing mask machine |
| CN207834443U (en) * | 2017-12-28 | 2018-09-07 | 上海君屹工业自动化股份有限公司 | Dynamic lithium battery lug apparatus for bending |
| CN108433215B (en) * | 2018-04-28 | 2024-05-24 | 广东泰恩康生物科技有限公司 | Full-automatic mask production line |
| CN109043698B (en) * | 2018-09-29 | 2023-12-12 | 广东快裕达自动化科技有限公司 | High-speed folding mask machine |
| CN109330063B (en) * | 2018-11-20 | 2024-09-06 | 深圳市维图视技术有限公司 | Automatic folding device for mask ear belt |
| CN210869969U (en) * | 2019-09-23 | 2020-06-30 | 东莞市宏祥机械设备有限公司 | Folding mask forming machine |
| CN111531900A (en) * | 2020-05-11 | 2020-08-14 | 苏州纽东精密制造科技有限公司 | 3D gauze mask banding welding machine |
| CN111480931B (en) * | 2020-05-27 | 2025-02-25 | 广东省机械研究所有限公司 | A flat mask machine |
| CN111567949B (en) * | 2020-06-10 | 2024-08-27 | 江苏造裕智能装备有限公司 | Full-automatic folding mask machine |
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