CN213445441U - Prevent gauze mask machine material feeding unit of cloth skew - Google Patents

Prevent gauze mask machine material feeding unit of cloth skew Download PDF

Info

Publication number
CN213445441U
CN213445441U CN202022406188.3U CN202022406188U CN213445441U CN 213445441 U CN213445441 U CN 213445441U CN 202022406188 U CN202022406188 U CN 202022406188U CN 213445441 U CN213445441 U CN 213445441U
Authority
CN
China
Prior art keywords
roller
adjusting
guide
cutting
cloth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022406188.3U
Other languages
Chinese (zh)
Inventor
凌勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Yingjie Intelligent Equipment Co ltd
Original Assignee
Wuxi Yingjie Intelligent Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Yingjie Intelligent Equipment Co ltd filed Critical Wuxi Yingjie Intelligent Equipment Co ltd
Priority to CN202022406188.3U priority Critical patent/CN213445441U/en
Application granted granted Critical
Publication of CN213445441U publication Critical patent/CN213445441U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a gauze mask machine feeding device for preventing cloth from deviating, which can realize automatic feeding of cloth and prevent the cloth from deviating, the cloth folding device comprises a workbench, a pressing mechanism, a cutting mechanism and a material conveying mechanism, wherein the pressing mechanism is sequentially distributed on the top end of the workbench, the material conveying mechanism is sequentially arranged on the folded and formed folded cloth and sequentially passes through the pressing mechanism, the cutting mechanism is used for respectively realizing edge pressing, cutting and forming and feeding, a discharging track is arranged at the other side end of the material conveying mechanism, the pressing mechanism comprises an embossing roller, the cutting mechanism comprises a cutting roller, the material conveying mechanism comprises a first guide roller, a second guide roller and a third guide roller, the cutting mechanism comprises the cutting roller, the first guide roller is positioned on one side of the cutting roller, the second guide roller and the third guide roller are sequentially distributed on the other side of the cutting roller, the third guide roller is positioned above the discharging track, and the embossing roller, the cutting roller, the first guide roller and the second guide roller synchronously rotate under the action of a driving device and a transmission mechanism.

Description

Prevent gauze mask machine material feeding unit of cloth skew
Technical Field
The utility model relates to a gauze mask processing equipment technical field specifically is a prevent gauze mask machine material feeding unit of cloth skew.
Background
The mask machine is the automatic processing equipment of gauze mask commonly used at present, and whether gauze mask function steady operation seriously influences gauze mask processingquality. The common mask machine on the market at present comprises a feeding device, a piece making machine and an ear belt welding machine, wherein the piece making machine is used for forming, pressing, cutting and feeding cloth. However, in the process of processing and conveying the cloth by the conventional flaker, particularly during the discharging of the cloth, the flaker is very easy to deviate, so that the cloth piece cannot accurately fall into a conveying track of the next processing procedure, for example, the patent name provided in the prior art is as follows: the mask forming machine has the following patent numbers: CN202010465289X patent, see fig. 1, it includes swager constructs 2, cut the mechanism 3, defeated material mechanism 4, workstation 1, wherein swager constructs 2 including pressing material and goes up the roller, the swager lower roll, cut the mechanism 3 including cutting and go up the roller, cut the lower roll, defeated material mechanism 4 is including defeated material last roller, defeated material lower roll, the cloth piece after cutting is defeated to be gone up the roller, defeated material lower roll effect down and is exported to the conveyer belt, when transmitting on the conveyer belt, because lack guider, very easily produce the skew, lead to the cloth piece can't accurately fall into the delivery track of next manufacturing procedure, seriously influence going on in succession of follow-up processingquality and process, production efficiency has been influenced.
SUMMERY OF THE UTILITY MODEL
Gauze mask cloth material feeding unit to existence among the prior art lacks the direction, easily takes place the skew during shaping cloth tablet pay-off, influences follow-up processingquality and manufacturing procedure's problem, the utility model provides a prevent gauze mask machine material feeding unit of cloth skew, it can realize cloth autoloading, can prevent the cloth skew simultaneously, ensures that the cloth can accurately fall into in the delivery track of next manufacturing procedure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a gauze mask machine material feeding unit preventing cloth skew, it includes the work station, distribute over in proper order in said work station top swager constructs, cut the organization, the conveying mechanism, the folding cloth after folding shaping realizes pressing the blank, cuts shaping, pay-off separately sequentially through said swager constructs, cuts the organization, conveying mechanism, another side end of the said conveying mechanism has discharge rails, the said swager constructs including the embossing roller, cut the organization and includes cutting the roller;
its characterized in that, defeated material mechanism includes first guide roll, second guide roll, third guide roll, it includes cuts the roller to cut the mechanism, first guide roll is located one side of cutting the roller, second guide roll, third guide roll distribute in proper order in the opposite side of cutting the roller, the third guide roll is located orbital top of ejection of compact, embossing roller, cutting roller, first guide roll, second guide roll are synchronous rotation under drive arrangement and drive mechanism's effect.
It is further characterized in that the method further comprises the steps of,
baffles perpendicular to the discharge rail are arranged on two sides of the discharge rail;
the embossing roller comprises an upper embossing roller and a lower supporting plate which are vertically parallel and mutually correspond, the cutting roller comprises an upper cutting roller and a lower cutting roller which are vertically parallel, and the first guide roller and the second guide roller respectively comprise an upper guide roller and a lower guide roller which are vertically parallel;
the embossing roller, the cutting roller, the first guide roller and the second guide roller are fixed on the rack through the nut locking mechanism respectively;
the third guide rollers comprise at least two, the two third guide rollers are respectively fixed at two ends of the discharge rail through adjusting plates, mounting holes and waist-shaped adjusting holes corresponding to roller shafts of the third guide rollers are formed in the adjusting plates, and the roller shafts are fixed in the mounting holes;
an adjusting mechanism is arranged between the embossing roller and the first guide roller, the adjusting mechanism comprises a first adjusting roller, a second adjusting roller, two connecting plates and an adjusting screw rod mechanism, two ends of the first adjusting roller and two ends of the second adjusting roller are respectively fixed with the connecting plates, and the first adjusting roller and the second adjusting roller are distributed in parallel; the middle part of the connecting plate is respectively provided with a kidney-shaped hole, the side end of the connecting plate is provided with mounting holes corresponding to the roll shafts of the first adjusting roll and the second adjusting roll respectively, the roll shaft of the first adjusting roll is fixed in the corresponding mounting hole, the roll shaft of the second adjusting roll is rotatably mounted in the mounting hole, and the two ends of the roll shaft of the second adjusting roll respectively penetrate through the mounting holes to be fixedly connected with the rack; the adjusting screw rod mechanism comprises an adjusting screw rod and a rotating shaft which is perpendicular to the adjusting screw rod and in threaded fit with the adjusting screw rod, the rotating shaft is positioned in the middle of the waist-shaped hole of one of the connecting plates, and two ends of the rotating shaft are fixed with the connecting plates;
a nose bridge line installation device is arranged on one side of the inlet end of the pressing mechanism and is distributed on one side of the inlet end of the embossing roller, the nose bridge line installation device comprises a bottom plate and a cloth guide plate distributed above the bottom plate, a gap for a mask to pass through is formed between the bottom plate and the cloth guide plate, a nose bridge conveying plate is arranged above the cloth guide plate, a nose bridge conveying mechanism for driving the nose bridge to move on the nose bridge conveying plate and a nose bridge cutting mechanism for cutting the nose bridge are sequentially arranged in the movement direction of the nose bridge, and a guiding and conveying mechanism for driving the nose bridge to move to the inside of a flanging of the mask is arranged at the tail end of the nose bridge conveying plate;
the guiding and transporting mechanism is a conical tube, an opening of a wide part of the conical tube corresponds to the output end of the guiding and transporting mechanism, the opening of the wide part is wedge-shaped, a fixing plate is arranged at one side end of the conical tube, a U-shaped hole is formed in one side end of the fixing plate, and the conical tube is fixed at the outlet end of the bottom plate through the fixing plate and the U-shaped hole;
a fourth guide roller is arranged on one side of the inlet end of the flattening device;
the driving device is a servo motor;
the transmission mechanism is a chain gear transmission mechanism.
Adopt the utility model discloses above-mentioned structure can reach following beneficial effect: defeated material mechanism includes first guide roll, second guide roll, third guide roll, and the cloth is through the blank pressing, cut the shaping back, carries automatically to ejection of compact track under the drive effect of second guide roll on, and when the shaping cloth was transmitted along ejection of compact track, because the third guide roll is located ejection of compact track's top, consequently can prevent effectively that the cloth from taking place the skew in transmission course, has ensured that the cloth can accurately fall into the delivery track of next manufacturing procedure.
Drawings
Fig. 1 is a schematic perspective view of a conventional mask forming machine;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of the adjusting mechanism of the present invention;
fig. 4 is a schematic perspective view of the nose bridge line mounting device of the present invention;
fig. 5 is a schematic perspective view of the guiding mechanism of the present invention.
Detailed Description
Referring to fig. 2 to 5, a mask machine feeding device for preventing deviation of cloth includes a workbench 1, a pressing mechanism 2, a cutting mechanism 3, and a feeding mechanism 4 sequentially disposed on a top end of the workbench 1, wherein the folded cloth after being folded and formed sequentially passes through the pressing mechanism 2, the cutting mechanism 3, and the feeding mechanism 4 to respectively perform edge pressing, cutting, forming, and feeding, a discharging rail 5 is disposed on the other side end of the feeding mechanism 4, the feeding mechanism 4 includes a first guide roller 41, a second guide roller 42, and a third guide roller 43, the first guide roller 41 is disposed on one side of the cutting roller 31, the second guide roller 42, and the third guide roller 43 are sequentially disposed on the other side of the cutting roller 31, the third guide roller 43 is disposed above the discharging rail 5, and a bottom end of the workbench 1 is fixed to a support frame (not shown in the drawings).
The baffle plates 51 perpendicular to the end face of the top end of the discharge rail 5 are arranged at the two side ends of the discharge rail 5, and the arrangement of the baffle plates 51 at the two sides of the discharge rail further prevents the cloth from deviating in the transmission process, so that the cloth is further ensured to accurately fall into the conveying rail of the next processing procedure;
the material pressing mechanism 2 comprises an embossing roller 21, the cutting mechanism 3 comprises a cutting roller 31, the embossing roller 21 comprises an upper embossing roller and a lower supporting plate which are vertically parallel and correspond to each other, the cutting roller 31 comprises an upper cutting roller and a lower cutting roller which are vertically parallel, the upper cutting roller and the lower cutting roller are respectively provided with a cutter for cutting the folded cloth, and the first guide roller 41 and the second guide roller 42 respectively comprise an upper guide roller and a lower guide roller which are vertically parallel;
the embossing roller cutting machine further comprises a frame 6 and a nut locking mechanism 7, wherein the embossing roller 21, the cutting roller 31, a first guide roller 41 and a second guide roller 42 are respectively fixed on the frame 6 through the nut locking mechanism 7;
in this embodiment, the number of the third guide rollers 43 is two, the two third guide rollers 43 are respectively fixed at two ends of the discharge rail 5 through the adjusting plate 431, the adjusting plate 431 is provided with a mounting hole corresponding to the roller shaft of the third guide rollers 43 and a waist-shaped adjusting hole 432, the roller shaft is fixed in the mounting hole, the mounting position of the adjusting plate 431 on the baffle is adjusted according to the length of the mask, so that the adjustment of the distance between the two third guide rollers 43 is realized, and the processing and discharging requirements of different mask lengths are met; according to the thickness of the mask, the distance between the third guide roller and the discharge rail is adjusted by adjusting the mounting position of the waist-shaped hole 432 of the adjusting plate 431, so that the processing and discharging requirements of different mask thicknesses are met, the device can meet the processing requirements of masks with different specifications, and has good universality;
an adjusting mechanism 8 is arranged between the embossing roller 21 and the first guide roller 41, the adjusting mechanism 8 comprises a first adjusting roller 81, a second adjusting roller 82, two connecting plates 83 and an adjusting screw rod mechanism, the adjusting screw rod mechanism comprises an adjusting screw rod 84 and a rotating shaft 86, two ends of roller shafts of the first adjusting roller 81 and the second adjusting roller 82 are respectively fixed with the connecting plates 83, and the first adjusting roller 81 and the second adjusting roller 82 are distributed in parallel; the middle part of the connecting plate 83 is respectively provided with a kidney-shaped hole 85, the side end is provided with mounting holes corresponding to the roll shafts of the first adjusting roll 81 and the second adjusting roll 82, the two ends of the rotating shaft of the first adjusting roll 81 are fixed in the corresponding mounting holes, the two ends of the roll shaft of the second adjusting roll 82 are rotatably mounted in the mounting holes, and the two side ends of the roll shaft of the first adjusting roll 81 respectively penetrate through the mounting holes to be fixedly connected with the inner side end of the frame 6; the adjusting screw 84 is perpendicular to the rotating shaft 86 and is in threaded fit with the rotating shaft 86, the rotating shaft 86 is located in the middle of the kidney-shaped hole of one of the connecting plates 83, and two ends of the rotating shaft 86 are fixedly connected with the connecting plates 83 respectively;
a nose bridge line mounting device 9 is arranged on one side of the inlet end of the pressing mechanism 2, the nose bridge line mounting device 9 is distributed on one side of the inlet end of the embossing roller 21, the nose bridge line mounting device 9 comprises a bottom plate 91 and a cloth guide plate 92 distributed above the bottom plate 91, a gap for the mask to pass through is arranged between the bottom plate 91 and the cloth guide plate 92, the height of the gap is slightly larger than the thickness of the cloth, a nose bridge strip conveying plate 93 is arranged above the cloth guide plate 92, a nose bridge strip conveying mechanism 94 for driving the nose bridge strip to move on the nose bridge strip conveying plate 93 and a nose bridge strip cutting mechanism 95 for cutting off the nose bridge strip are sequentially arranged in the moving direction of the nose bridge strip, a guide conveying mechanism 96 for driving the nose bridge strip to move to the inside of the flanging of the mask is sequentially arranged at the tail end of the nose bridge strip conveying plate 93, the nose bridge line mounting device 9 can adopt the prior, the opening of the wide part is wedge-shaped 961, one side end of the conical pipe is provided with a fixing plate 962, one side end of the fixing plate 962 is provided with a U-shaped hole 963, and the conical pipe is fixed at the outlet end of the bottom plate 91 through the fixing plate 962 and the U-shaped hole 963;
a fourth guide roller 44 is arranged on one side of the inlet end of the nose bridge line installation device;
the embossing roller 21, the cutting roller 31, the first guide roller 41 and the second guide roller 42 rotate synchronously under the action of the servo motor and the chain gear transmission mechanism 10.
The specific working principle is as follows: the folded fabric after being folded and formed sequentially passes through the nose bridge line mounting device 9, the pressing mechanism 2, the cutting mechanism 3 and the material conveying mechanism 4 to respectively realize the nose bridge line mounting, edge pressing, cutting and forming and feeding of the folded fabric, wherein the adjusting mechanism 8 is arranged to realize the length fine adjustment of the embossed and formed fabric, when the fabric is conveyed to the first guide roller 41 by the embossing roller 21, the embossed fabric passes through a gap between the first adjusting roller 81 and the second adjusting roller 82, the adjusting screw 84 is screwed and screwed, the adjusting screw 84 moves up and down, the rotating shaft 86 is driven to drive the connecting plate 83 to rotate, the connecting plate 83 drives the first adjusting roller 81 and the second adjusting roller 82 to rotate, so as to adjust the transmission length of the embossed and formed fabric on the first adjusting roller 81 and the second adjusting roller 82, the adjustment length of the embossed fabric is mainly determined according to the cutting position of the cutting roller 31 on the embossed fabric, the conveying length of the fabric is finely, the cutter on the cutting roller 31 can be accurately cut on the outer side of the cloth embossing, the cutter is prevented from cutting on the embossing position, the integrity of the embossing on the cloth is ensured, and the mask processing quality is further improved; after the cloth is subjected to edge pressing and cutting forming, the cloth is automatically conveyed to the discharging track 5 under the driving action of the second guide roller 42 and accurately falls into the conveying track of the next processing procedure under the guiding action of the third guide roller 43, the problem that the subsequent processing quality and the subsequent processing procedure are influenced due to the feeding deviation of the cloth is avoided due to the arrangement of the third guide roller 43, and the production efficiency is improved.
The above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims (7)

1. A gauze mask machine material feeding unit preventing cloth skew, it includes the work station, distribute over in proper order in said work station top swager constructs, cut the organization, the conveying mechanism, the folding cloth after folding shaping realizes pressing the blank, cuts shaping, pay-off separately sequentially through said swager constructs, cuts the organization, conveying mechanism, another side end of the said conveying mechanism has discharge rails, the said swager constructs including the embossing roller, cut the organization and includes cutting the roller;
its characterized in that, defeated material mechanism includes first guide roll, second guide roll, third guide roll, it includes cuts the roller to cut the mechanism, first guide roll is located one side of cutting the roller, second guide roll, third guide roll distribute in proper order in the opposite side of cutting the roller, the third guide roll is located orbital top of ejection of compact, embossing roller, cutting roller, first guide roll, second guide roll are synchronous rotation under drive arrangement and drive mechanism's effect.
2. The mask machine feeding device capable of preventing the cloth from deviating as claimed in claim 1, wherein baffles perpendicular to the discharge rail are arranged on two sides of the discharge rail.
3. The mask machine feeding device for preventing the cloth deviation according to claim 1 or 2, wherein the embossing rollers comprise an upper embossing roller and a lower supporting plate which are vertically arranged in parallel and correspond to each other, the cutting rollers comprise an upper cutting roller and a lower cutting roller which are vertically arranged in parallel, and the first guide roller and the second guide roller respectively comprise an upper guide roller and a lower guide roller which are vertically arranged in parallel.
4. The mask machine feeding device capable of preventing the cloth from shifting as claimed in claim 3, further comprising a frame and a nut locking mechanism, wherein the embossing roller, the cutting roller, the first guide roller and the second guide roller are respectively fixed on the frame through the nut locking mechanism.
5. The mask machine feeding device capable of preventing the cloth from deviating as claimed in claim 4, wherein the third guide rollers comprise at least two third guide rollers fixed at two ends of the discharge rail through an adjusting plate, the adjusting plate is provided with a mounting hole and a waist-shaped adjusting hole corresponding to a roller shaft of the third guide rollers, and the roller shaft is fixed in the mounting hole.
6. The mask machine feeding device capable of preventing the cloth from shifting according to claim 5, wherein an adjusting mechanism is arranged between the embossing roller and the first guide roller, the adjusting mechanism comprises a first adjusting roller, a second adjusting roller, two connecting plates and an adjusting screw rod mechanism, two ends of the first adjusting roller and two ends of the second adjusting roller are respectively fixed with the connecting plates, and the first adjusting roller and the second adjusting roller are distributed in parallel; the middle part of the connecting plate is respectively provided with a kidney-shaped hole, the side end of the connecting plate is provided with mounting holes corresponding to the roll shafts of the first adjusting roll and the second adjusting roll respectively, the roll shaft of the first adjusting roll is fixed in the corresponding mounting hole, the roll shaft of the second adjusting roll is rotatably mounted in the corresponding mounting hole, and the two ends of the roll shaft of the second adjusting roll respectively penetrate through the mounting holes to be fixedly connected with the rack; the adjusting screw rod mechanism comprises an adjusting screw rod and a rotating shaft which is perpendicular to the adjusting screw rod and is in threaded fit with the adjusting screw rod, the rotating shaft is located in the middle of the waist-shaped hole of the connecting plate, and two ends of the rotating shaft are fixed with the connecting plate.
7. The feeding device of a mask machine for preventing cloth deviation according to claim 6, wherein a nose bridge line installation device is arranged on one side of the inlet end of the pressing mechanism, the nose bridge line installation device is distributed on one side of the inlet end of the embossing roller, the nose bridge line installation device comprises a bottom plate and a cloth guide plate distributed above the bottom plate, a gap for passing the mask is arranged between the bottom plate and the cloth guide plate, a nose bridge conveying plate is arranged above the cloth guide plate, a nose bridge conveying mechanism for driving the nose bridge to move on the nose bridge conveying plate and a nose bridge cutting mechanism for cutting off the nose bridge are sequentially arranged in the moving direction of the nose bridge, a guiding and transporting mechanism for driving the nose bridge to move to the inside of the flanging of the mask is arranged at the tail end of the nose bridge conveying plate, the guiding and transporting mechanism is a tapered pipe, the wide part opening of the conical tube corresponds to the output end of the guide conveying mechanism, the wide part opening is wedge-shaped, a fixing plate is arranged at one side end of the conical tube, a U-shaped hole is formed in one side end of the fixing plate, and the conical tube is fixed to the outlet end of the bottom plate through the fixing plate and the U-shaped hole.
CN202022406188.3U 2020-10-26 2020-10-26 Prevent gauze mask machine material feeding unit of cloth skew Expired - Fee Related CN213445441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022406188.3U CN213445441U (en) 2020-10-26 2020-10-26 Prevent gauze mask machine material feeding unit of cloth skew

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022406188.3U CN213445441U (en) 2020-10-26 2020-10-26 Prevent gauze mask machine material feeding unit of cloth skew

Publications (1)

Publication Number Publication Date
CN213445441U true CN213445441U (en) 2021-06-15

Family

ID=76294740

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022406188.3U Expired - Fee Related CN213445441U (en) 2020-10-26 2020-10-26 Prevent gauze mask machine material feeding unit of cloth skew

Country Status (1)

Country Link
CN (1) CN213445441U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114228261A (en) * 2021-12-20 2022-03-25 马鞍山市富源机械制造有限公司 4D complex embossing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114228261A (en) * 2021-12-20 2022-03-25 马鞍山市富源机械制造有限公司 4D complex embossing machine

Similar Documents

Publication Publication Date Title
CN110405386B (en) Numerical control full-automatic welding machine for steel bar welding mesh
CN111482997A (en) Planar mask surface body manufacturing equipment
CN213445441U (en) Prevent gauze mask machine material feeding unit of cloth skew
CN111452388A (en) Conveying device for nose bridge strip of mask
CN210453919U (en) Production equipment for cutting V-shaped groove on paperboard
CN211966616U (en) Shearing butt welding machine for manufacturing welded pipe
CN115816085B (en) Automatic slitting equipment for photovoltaic solder strips
CN111469466A (en) KN95 gauze mask manufacturing line
CN116079813A (en) Positioning mechanism for paper diaper cutting
CN214058968U (en) Blank holder strip conveying device for floor automatic production line
CN112743340B (en) Production line for machining die-casting aluminum box body
CN213856745U (en) Earphone steel band forming device
CN1060414C (en) One-time forming machine for bite edges at two ends of thin plate
CN210418649U (en) Strip machine is cut out to silk screen
CN219648816U (en) Cutting steel bar guiding mechanism
CN218982951U (en) Feeding machine for disc buckle
CN215850241U (en) Plane screen printing machine and circular knife cross cutting machine combination equipment
CN117299947B (en) Rolling type continuous punching equipment
CN217498173U (en) Paperboard conveying device
CN213763620U (en) Conveying device of stamping pipe cutting equipment
CN216736792U (en) Automatic coil stock cross cutting machine
CN217144960U (en) Mask positioning and welding forming machine
CN210682045U (en) Gauze mask material loading conveyor
CN218558018U (en) Feeding device of mask machine
CN217538477U (en) High-precision automatic edge sealing device for fireproof door

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210615

Termination date: 20211026

CF01 Termination of patent right due to non-payment of annual fee