CN109352965B - Automatic forming machine for cambered mask - Google Patents
Automatic forming machine for cambered mask Download PDFInfo
- Publication number
- CN109352965B CN109352965B CN201811076865.0A CN201811076865A CN109352965B CN 109352965 B CN109352965 B CN 109352965B CN 201811076865 A CN201811076865 A CN 201811076865A CN 109352965 B CN109352965 B CN 109352965B
- Authority
- CN
- China
- Prior art keywords
- feeding
- mask
- cotton cloth
- pulling
- frame
- 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.)
- Active
Links
- 229920000742 Cotton Polymers 0.000 claims abstract description 65
- 239000004744 fabric Substances 0.000 claims abstract description 65
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/427—Cooling of the material with a fluid blast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/44—Removing or ejecting moulded articles
Abstract
The invention provides an automatic forming machine for a cambered mask, which comprises a cotton cloth feeding device, a forming device, a mask pulling device and a discharging pulling belt, wherein the cotton cloth feeding device and the mask pulling device synchronously act through the same chain wheel and send cotton cloth into the forming device from the cotton cloth feeding device, the cotton cloth is formed in a forming die at high temperature and high pressure, and the formed mask is pulled out by the mask pulling device, cut off and then put into the discharging pulling belt for being sent out. The automatic forming machine for the cambered mask can be integrally completed by cotton cloth feeding, mask forming, mask pulling-out, cutting-off and discharging processes.
Description
Technical Field
The invention relates to the technical field of mask forming machines, in particular to an automatic forming machine for a cambered surface mask.
Background
In the mask manufacturing industry, manufacturers generally adopt mask molding machines to prepare mask substrates, and the mask substrates generally adopt non-woven fabrics; the mask molding machine processing procedure is described below by taking a mask substrate in a cup shape as an example: the mask forming machine generally adopts a thermoforming mode to prepare a cup-shaped mask substrate, namely a lower die of the mask forming machine is a female die formed with cup-shaped pits, an upper die is a male die formed with cup-shaped bulges, non-woven fabrics to be formed are placed in a forming area between the upper die and the lower die, the upper die and the lower die are clamped through a clamping mechanism, and the upper die and the lower die after clamping are heated simultaneously to finally enable the non-woven fabrics to be formed into cup shapes.
The existing mask forming machine has the defect of low production efficiency in the process of preparing the mask, namely, full automation of feeding, forming and blanking can not be effectively realized; therefore, it is necessary for mask manufacturers to provide a mask forming machine with high production efficiency.
Disclosure of Invention
In view of the above, the invention provides an automatic forming machine for a cambered mask.
In order to solve the problems, the invention adopts the following technical scheme:
an automatic forming machine for cambered mask comprises
The cotton cloth feeding device and the mask pulling device synchronously act through the same chain wheel and send cotton cloth into the forming device through the cotton cloth feeding device, the cotton cloth is formed in the forming die at high temperature and high pressure, and the formed mask is pulled out by the mask pulling device and cut off and then is put into the discharge pulling belt to be sent out.
Further, the cotton cloth feeding device comprises a feeding frame, a feeding rotating shaft is arranged at the front end of the upper part of the feeding frame, feeding baffle plates are arranged on two sides of the feeding rotating shaft, the feeding baffle plates are installed at the upper end of the feeding frame through feeding adjusting shafts, cotton cloth enters a feeding belt arranged at the rear side of the upper part of the feeding frame from the feeding rotating shaft, the feeding belt is fixed on the feeding frame through a feeding transverse plate, the feeding transverse plate is arranged on two sides of the upper part of the rear end of the feeding frame, feeding belt adjusting holes are formed in the feeding transverse plate, feeding adjusting sliding blocks are arranged in the feeding belt adjusting holes, feeding belt adjusting wires are arranged on the feeding adjusting sliding blocks, feeding blowing guide rods and blowing guide rods which are arranged in parallel are arranged between the feeding blowing baffle plates, feeding sprinkling plates are arranged on the feeding guide rods and the blowing guide rods, feeding rollers are arranged at the rear ends of the feeding belts, the feeding rollers are arranged on a feeding bottom plate, the feeding bottom plate is arranged at the rear end of the feeding transverse plate, a motor is arranged at the upper end of the bottom plate, a pressing down press down of the feeding roller is used for pressing down the feeding roller to act; the cotton cloth feeding device and the mask pulling device synchronously act through the same chain wheel and send the cotton cloth into the forming device through the cotton cloth feeding device, the water spraying gun moves back and forth on the air blowing guide rod and the air blowing screw rod while feeding the cotton cloth, water is uniformly sprayed on the cotton cloth, and the cotton cloth is prevented from being burnt at high temperature during forming.
Further, a splayed opening is formed in the feeding baffle plate, and the feeding rotating shaft is installed in the splayed opening.
Further, the front end of the feeding water sprinkling plate is provided with a blowing induction piece.
Further, the forming device comprises a forming machine frame, a machine frame large plate is arranged on the forming machine frame, a die clamping mechanism is arranged on the machine frame large plate, a die changing mechanism is arranged at the die clamping mechanism, a forming die clamping cylinder and a pneumatic pressurizing cylinder are arranged at the upper end of the die clamping mechanism, and a material dragging cylinder is arranged at the lower end of the die clamping mechanism.
Further, the die assembly mechanism comprises a stamping plate, the upper end of the stamping plate is provided with a molding die assembly cylinder and a pneumatic pressurizing cylinder, the bottom of the stamping plate is provided with an upper template, the bottom of the upper template is provided with a large frame plate, the large frame plate is also provided with a material supporting rod, and two sides of the large frame plate are provided with cotton cloth feeding and mask material pulling power systems.
Further, the mask pulling device comprises a mask pulling clamp and a mask pulling upper and lower cylinder, the mask pulling clamp and the mask pulling upper and lower cylinder are matched with a mask forming device and a cotton cloth feeding device to pull out the mask, the mask pulled out is cut off by a cutting device, the mask pulling clamp is loosened, the mask automatically falls into a lower Fang Chuliao pull belt, and a product is sent out from a machine table by a discharging pull belt.
Further, the mask material pulling clamp is arranged on a material pulling frame, and the material pulling frame is arranged on a material pulling slide rail.
The automatic forming machine for the cambered mask can be integrally completed by cotton cloth feeding, mask forming, mask pulling-out, cutting-off and discharging processes.
The invention is also provided with a cotton cloth feeding and mask pulling power system, and the cotton cloth feeding and mask pulling power system synchronously acts the cotton cloth feeding device and the mask pulling device through the same chain wheel and sends the cotton cloth into the forming device from the cotton cloth feeding device, so that the product can be prevented from deforming when pulled out.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a cotton cloth feeding device in the invention;
FIG. 3 is a schematic view of a molding apparatus according to the present invention;
fig. 4 and 6 are schematic structural views of a mask pulling device in the invention;
fig. 5 is a schematic view of a part of the structure of the molding device in the present invention.
Detailed Description
The present invention will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and descriptions of the present invention are provided for illustration of the invention and are not intended to be limiting.
Referring to fig. 1 to 6, the invention provides an automatic forming machine for a cambered mask, which comprises a cotton cloth feeding device, a forming device 2, a mask pulling device 3 and a discharging pulling belt 4, wherein the cotton cloth feeding device and the mask pulling device 3 synchronously act through the same chain wheel and send cotton cloth into the forming device 2 from the cotton cloth feeding device, the cotton cloth is formed in a forming die at high temperature and high pressure, and the formed mask is pulled out and cut by the mask pulling device 3 and then is put into the discharging pulling belt 4 to be sent out. The cotton cloth feeding device comprises a feeding frame, a feeding rotating shaft 103 arranged at the front end of the upper portion of the feeding frame, feeding baffle plates 100 are arranged on two sides of the feeding rotating shaft 103, splayed openings are formed in the feeding baffle plates 100, and the feeding rotating shaft 103 is arranged in the splayed openings.
The feeding baffle plate 100 is installed at the upper end of the feeding frame through the feeding adjusting shaft 105, the feeding baffle plate 100 can be adjusted according to the width of cotton cloth, and the specific method is completed by adjusting the distance between the feeding adjusting shaft 105 and the feeding baffle plate 100. The cotton cloth enters a feeding belt 102 arranged at the rear side of the upper part of a feeding frame from a feeding rotating shaft 103, the feeding belt 102 is fixed on the feeding frame through a feeding transverse plate 106, the feeding transverse plate 106 is arranged at two sides of the upper part of the rear end of the feeding frame, a feeding belt adjusting hole is arranged on the feeding transverse plate 106, a feeding adjusting sliding block 115 is arranged in the feeding belt adjusting hole, a feeding belt adjusting wire 116 is arranged on the feeding adjusting sliding block 115, in order to enable the cotton cloth feeding device and a mask material pulling device 3 to synchronously act through the same chain wheel, the aim of adjusting the feeding belt 102 is achieved through the feeding adjusting sliding block 115, during adjustment, the feeding adjusting sliding block 115 is pushed inwards or pulled outwards through adjusting the feeding belt adjusting wire 116 to achieve the aim of adjusting the feeding belt 102, feeding air blowing plates 112 and screw rods 113 which are arranged in parallel are respectively arranged on the feeding transverse plate 106 at two sides, a feeding sprinkling plate 111 is arranged on the feeding water spraying plate 111, a water spraying gun 104 is arranged on the feeding belt adjusting plate, a feeding motor 110 is arranged at the rear end of the feeding belt 102, a feeding roller 108 is arranged at the lower end of the feeding roller 108, and a motor 108 is arranged at the lower end of the feeding roller 108; the cotton cloth feeding device and the mask pulling device 3 synchronously act through the same chain wheel and send the cotton cloth into the forming device 2 from the cotton cloth feeding device, the water spraying gun 104 moves back and forth on the air blowing guide rod 112 and the air blowing screw rod 113 while feeding the cotton cloth, and water is uniformly sprayed on the cotton cloth, so that the cotton cloth is prevented from being burnt at high temperature during forming. In order to achieve the purpose of automatic water spraying, when the air blowing sensing piece 114 senses that cotton cloth enters, the device automatically starts automatic water spraying, wherein the air blowing sensing piece 114 is arranged at the front end of the feeding water spraying plate 111.
The molding device 2 comprises a molding frame 280, wherein a frame large plate is arranged on the molding frame 280, a mold clamping mechanism is arranged on the frame large plate, a mold changing mechanism 290 is arranged at the mold clamping mechanism, a molding mold clamping cylinder 22 and a pneumatic pressurizing cylinder 21 are arranged at the upper end of the mold clamping mechanism, and a material dragging cylinder 23 is arranged at the lower end of the mold clamping mechanism. The die assembly mechanism comprises a stamping plate, wherein the upper end of the stamping plate 27 is provided with a molding die assembly cylinder 22 and a pneumatic pressurizing cylinder 21, the bottom of the stamping plate is provided with an upper template 29, the bottom of the upper template 29 is provided with a large frame plate, the large frame plate is also provided with a material supporting rod 26, and two sides of the large frame plate are provided with cotton cloth feeding and mask material pulling power systems 25. According to the invention, the cotton cloth feeding and mask pulling power system 25 enables the cotton cloth feeding device and the mask pulling device 3 to synchronously act through the same chain wheel and enables the cotton cloth to be fed into the forming device 2 from the cotton cloth feeding device, so that the product can be prevented from deforming when pulled out.
The mask pulling device 2 comprises a mask pulling clamp 31 and a mask pulling up-down cylinder 32, the mask pulling clamp 31 and the mask pulling up-down cylinder are matched with the mask forming device 2 and the cotton cloth feeding device to pull out the mask, the cutting device 33 cuts off the pulled mask, the mask pulling clamp 31 is loosened, the mask automatically falls into the lower Fang Chuliao pull belt 4, and the product is sent out of the machine by the discharging pull belt 4. The mask material pulling clamp 31 is arranged on a material pulling frame 34, and the material pulling frame 34 is arranged on a material pulling slide rail 35.
The automatic forming machine for the cambered mask can be integrally completed by cotton cloth feeding, mask forming, mask pulling-out, cutting-off and discharging processes.
The foregoing has described in detail the embodiments of the present invention, and specific embodiments have been employed to illustrate the principles and implementations of the embodiments of the present invention, the above description of the embodiments being only useful for aiding in the understanding of the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present invention.
Claims (5)
1. An automatic forming machine for cambered surface mask, which is characterized by comprising:
the cotton cloth feeding device and the mask pulling device synchronously act through the same chain wheel and send the cotton cloth into the forming device from the cotton cloth feeding device, the cotton cloth is formed in the forming die at high temperature and high pressure, and the formed mask is pulled out and cut by the mask pulling device and then is put into the discharge pulling belt to be sent out;
the cotton cloth feeding device comprises a feeding frame, a feeding rotating shaft arranged at the front end of the upper part of the feeding frame, feeding baffle plates are arranged on two sides of the feeding rotating shaft, the feeding baffle plates are arranged at the upper end of the feeding frame through feeding adjusting shafts, cotton cloth enters a feeding belt arranged at the rear side of the upper part of the feeding frame from the feeding rotating shaft, the feeding belt is fixed on the feeding frame through a feeding transverse plate, the feeding transverse plate is arranged on two sides of the rear end of the upper part of the feeding frame, feeding belt adjusting holes are formed in the feeding transverse plate, feeding adjusting sliding blocks are arranged in the feeding belt adjusting holes, feeding belt adjusting wires are arranged on the feeding adjusting sliding blocks, feeding air blowing plates are respectively arranged on the feeding transverse plates on two sides, a feeding guide rod and an air blowing screw rod which are arranged in parallel are arranged between the feeding air blowing plates, a feeding water spraying plate is arranged on the feeding guide rod and the air blowing screw rod, a feeding roller is arranged on the feeding baseplate, the feeding baseplate is arranged at the rear end of the feeding belt, the feeding baseplate is arranged at the rear end of the feeding baseplate, a feeding belt adjusting wire is arranged on the motor is arranged at the rear end of the feeding baseplate, a feeding baseplate is provided with a feeding belt adjusting wire, and a pressing piezoelectric roller is arranged on the feeding baseplate, and a pressing roller is used for pressing and a pressing action of a pressing roller is used for adjusting a pressing roller; the method comprises the steps that coiled cotton cloth is manually placed on a feeding rotating shaft, a cotton cloth feeding device and a mask pulling device synchronously act through the same chain wheel and send the cotton cloth into a forming device from the cotton cloth feeding device, a water spraying gun moves back and forth on a blowing guide rod and a blowing screw rod while feeding the cotton cloth, water is uniformly sprayed on the cotton cloth, and the cotton cloth is prevented from being burnt at high temperature during forming;
the molding device comprises a molding frame, a frame large plate is arranged on the molding frame, a mold clamping mechanism is arranged on the frame large plate, a mold changing mechanism is arranged at the mold clamping mechanism, a molding mold clamping cylinder and a pneumatic pressurizing cylinder are arranged at the upper end of the mold clamping mechanism, and a material dragging cylinder is arranged at the lower end of the mold clamping mechanism;
the die assembly mechanism comprises a stamping plate, wherein the upper end of the stamping plate is provided with a molding die assembly cylinder and a pneumatic pressurizing cylinder, the bottom of the stamping plate is provided with an upper template, the bottom of the upper template is provided with a large frame plate, the large frame plate is also provided with a material supporting rod, and two sides of the large frame plate are provided with cotton cloth feeding and mask material pulling power systems.
2. The automatic forming machine for the cambered surface mask according to claim 1, wherein the feeding baffle plate is provided with a splayed opening, and the feeding rotating shaft is arranged in the splayed opening.
3. The automatic forming machine for the cambered surface mask according to claim 1, wherein the front end of the feeding water sprinkling plate is provided with a blowing induction piece.
4. The automatic forming machine for cambered masks according to claim 1, wherein the mask pulling device comprises a mask pulling clamp and a mask pulling upper and lower cylinder, the mask pulling clamp and the mask pulling upper and lower cylinder are matched with the mask forming device and the cotton cloth feeding device to pull out the mask, the cutting device cuts off the pulled mask, the mask pulling clamp is loosened, the mask automatically falls onto a lower Fang Chuliao pull belt, and the product is sent out of the machine by a discharging pull belt.
5. The automatic forming machine for the cambered mask according to claim 4, wherein the mask material pulling clamp is arranged on a material pulling frame which is arranged on a material pulling slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076865.0A CN109352965B (en) | 2018-09-14 | 2018-09-14 | Automatic forming machine for cambered mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076865.0A CN109352965B (en) | 2018-09-14 | 2018-09-14 | Automatic forming machine for cambered mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352965A CN109352965A (en) | 2019-02-19 |
| CN109352965B true CN109352965B (en) | 2024-04-02 |
Family
ID=65350842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811076865.0A Active CN109352965B (en) | 2018-09-14 | 2018-09-14 | Automatic forming machine for cambered mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352965B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202295B (en) * | 2020-03-17 | 2021-07-30 | 湖北科力迪防护用品有限公司 | Welding device of mask production machine |
| CN112643947B (en) * | 2020-12-11 | 2023-03-10 | 中山市煜豹智能设备有限公司 | Full-automatic medical respirator shaping production line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202045859U (en) * | 2011-04-21 | 2011-11-23 | 东莞市南方力劲机械有限公司 | Automatic die-pressing mask forming machine |
| CN208914586U (en) * | 2018-09-14 | 2019-05-31 | 东莞市震跃机械有限公司 | A kind of cambered surface mask automatic moulding machine |
-
2018
- 2018-09-14 CN CN201811076865.0A patent/CN109352965B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202045859U (en) * | 2011-04-21 | 2011-11-23 | 东莞市南方力劲机械有限公司 | Automatic die-pressing mask forming machine |
| CN208914586U (en) * | 2018-09-14 | 2019-05-31 | 东莞市震跃机械有限公司 | A kind of cambered surface mask automatic moulding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109352965A (en) | 2019-02-19 |
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