CN116119123B - Non-woven fabric packaging bag heat sealing machine - Google Patents
Non-woven fabric packaging bag heat sealing machine Download PDFInfo
- Publication number
- CN116119123B CN116119123B CN202211708668.2A CN202211708668A CN116119123B CN 116119123 B CN116119123 B CN 116119123B CN 202211708668 A CN202211708668 A CN 202211708668A CN 116119123 B CN116119123 B CN 116119123B
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- fixedly connected
- sealing machine
- packaging bag
- heat sealing
- bottom plate
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/32—Cooling, or cooling and pressing, package closures after heat-sealing
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Package Closures (AREA)
Abstract
The invention provides a non-woven fabric packaging bag heat sealing machine. The non-woven fabric packaging bag heat sealing machine comprises a bottom plate, the upper surface fixedly connected with longitudinal rod of bottom plate, the upper surface fixedly connected with ejector pin of longitudinal rod, the lower surface fixedly connected with supporting leg of bottom plate, the internal surface fixedly connected with horizon bar of supporting leg, the upper surface fixedly connected with extension board of horizon bar, the upper surface fixedly connected with heater of extension board, pressing mechanism includes telescopic link, stationary blade, elastic layer and heat-resisting layer. Through forced air cooling and water-cooling, increase refrigerated effect to through electromagnetic valve, avoid at the in-process of heating because the efficiency decline that the water-cooling leads to the heating influences sealed effect, simultaneously through water-cooling and forced air cooling, realize cooling fast after sealed completion, through the cooperation of rotating device, photoelectric switch, realize can carrying out automatic transfer with the sack, and open and close fan and water pump according to the time interval of transfer, realize the flow production.
Description
Technical Field
The invention relates to the technical field of heat sealing machines, in particular to a non-woven fabric packaging bag heat sealing machine.
Background
The non-woven bag is a green product, is tough and durable, attractive in appearance, good in air permeability, reusable, washable, silk-screen advertising and marking, long in service life, and suitable for advertising and gifts of any company and any industry. Consumers get an exquisite non-woven fabric bag while shopping, and merchants get intangible advertising, so that the non-woven fabric is popular in the market. The product takes non-woven fabrics as raw materials, is a new generation environment-friendly material, and has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich colors, low price, recycling and the like. The material can be naturally decomposed after being placed outdoors for 90 days, and the service life of the material is as long as 5 years after being placed indoors.
When the applicant applies for the invention, through searching, the non-woven fabric bag edge heat sealing is usually carried out by adopting ultrasonic heat sealing, ultrasonic waves are transmitted to the welding surface of the work piece, friction is generated on the work piece molecules instantly, the melting point of the work piece is reached, thus the solid material is rapidly dissolved, the pressing is completed, the joint strength of the non-woven fabric bag edge heat sealing is close to that of a whole piece of continuously-produced material, and as long as the joint surface of the product is matched, the complete sealing is absolutely free, but the non-woven fabric bag edge heat sealing can be loosened in the transferring process without timely cooling after the sealing, so that the sealing strength is reduced.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a non-woven fabric packaging bag heat sealing machine, which solves the problem that the non-woven fabric packaging bag is loosened in the process of transferring in time when the temperature is not reduced, so that the sealing strength is reduced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: comprising the following steps:
the bottom plate, the upper surface fixedly connected with longitudinal rod of bottom plate, the upper surface fixedly connected with ejector pin of longitudinal rod, the lower surface fixedly connected with supporting leg of bottom plate, the internal surface fixedly connected with horizontal rod of supporting leg, the upper surface fixedly connected with extension board of horizontal rod, the upper surface fixedly connected with heater of extension board;
the pressing mechanism comprises a telescopic rod, a fixing sheet, an elastic layer and a heat-resistant layer, wherein the output end of the telescopic rod is fixedly connected with the fixing sheet, the lower surface of the fixing sheet is fixedly connected with the elastic layer, and the lower surface of the elastic layer is fixedly connected with the heat-resistant layer;
The air blowing mechanism comprises a fan, a nozzle and an air guide pipe, wherein the output end of the fan is fixedly connected with the air guide pipe, and one end, far away from the fan, of the air guide pipe is fixedly connected with the nozzle;
The rotating device comprises a bracket, a motor, a connecting rod, a first rotating shaft and a second rotating shaft, wherein the rear surface of the bracket is fixedly connected with the motor, the output end of the motor is fixedly connected with the connecting rod, the front surface of the connecting rod is rotationally connected with the first rotating shaft, and the front surface of the bracket is rotationally connected with the second rotating shaft;
The lower surface fixedly connected with photoelectric switch of ejector pin, the upper surface fixedly connected with water tank of heater, the internal surface fixedly connected with water pump of water tank, the output fixedly connected with pipe of water pump, the upper surface fixedly connected with down branch of bottom plate, the upper surface fixedly connected with heating wire of down branch, the internal surface fixedly connected with heat exchange tube of down branch, the internal surface fixedly connected with electromagnetic valve of pipe.
Preferably, the front surface of the heater is provided with a knob, the front surface of the heater is provided with a switch, the heater is electrically connected with the heating wire, and the heating wire is arc-shaped.
Preferably, the number of the telescopic rods is multiple and distributed left and right, the positions of the heat-resistant layers correspond to the positions of the heating wires, and the heat-resistant layers are made of heat-resistant cellucotton and are used for improving the fit between the non-woven fabric bag and the heating wires.
Preferably, the fan is fixedly connected with the upper surface of the bottom plate, the number of the blowing mechanisms is two, the blowing mechanisms are distributed left and right, and the lower surface of the nozzle is fixedly connected with the lower supporting rod.
Preferably, the quantity of connecting rod is a plurality of and annular distribution, have the gap between first pivot, the second pivot is the rubber material for increase with the frictional force between the non-woven fabrics.
Preferably, the heater, the water pump, the telescopic rod, the motor, the electromagnetic valve, the fan, the heating wire and the photoelectric switch are all connected with an external power supply, and the electromagnetic valve, the fan and the photoelectric switch are electrically connected.
Preferably, the number of the heat exchange tubes is multiple and distributed left and right, and two ends of the heat exchange tubes are fixedly connected with the guide tubes.
Preferably, the electromagnetic valve is located inside a rear side conduit, the front side conduit is fixedly connected with the input end of the water pump, and the rear side conduit extends to the inside of the water tank.
(III) beneficial effects
The invention provides a non-woven fabric packaging bag heat sealing machine. The beneficial effects are as follows:
1. this non-woven fabrics wrapping bag heat sealing machine through forced air cooling and water-cooling, increases refrigerated effect to through electromagnetic valve, avoid at the in-process of heating because the efficiency decline that the water-cooling leads to the heating influences sealed effect, through water-cooling and forced air cooling simultaneously, realize cooling fast after sealed completion.
2. This non-woven fabrics wrapping bag heat sealing machine through the cooperation of rotating device, photoelectric switch, realizes can carrying out automatic transfer with the sack to open and close fan and water pump according to the time interval of transferring, realize the flow production.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the lower strut of the present invention;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 3;
Fig. 5 is a schematic diagram of the overall structure of the present invention.
Wherein, 1, the bottom plate; 2. support legs; 3. a support plate; 4. a heater; 5. a knob; 6. a water tank; 7. a water pump; 8. a conduit; 9. a horizontal bar; 10. a longitudinal rod; 11. a push rod; 12. a pressing mechanism; 13. a telescopic rod; 14. a fixing piece; 15. an elastic layer; 16. a heat-resistant layer; 17. a nozzle; 18. a lower support rod; 19. a heat exchange tube; 20. a blowing mechanism; 21. a bracket; 22. a motor; 23. a first rotating shaft; 24. a second rotating shaft; 25. an optoelectronic switch; 26. an electromagnetic valve; 27. a blower; 28. a connecting rod; 29. a rotating device; 30. heating wire.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, the embodiment of the invention provides a non-woven fabric packaging bag heat sealing machine, a bottom plate 1, a longitudinal rod 10 is fixedly connected to the upper surface of the bottom plate 1, a top rod 11 is fixedly connected to the upper surface of the longitudinal rod 10, a supporting leg 2 is fixedly connected to the lower surface of the bottom plate 1, a horizontal rod 9 is fixedly connected to the inner surface of the supporting leg 2, a supporting plate 3 is fixedly connected to the upper surface of the horizontal rod 9, a heater 4 is fixedly connected to the upper surface of the supporting plate 3 and used for carrying out cooperative operation with an electric heating wire 30 to heat and seal the non-woven fabric, a knob 5 is arranged on the front surface of the heater 4, a water pump 7, a telescopic rod 13, a motor 22, an electromagnetic valve 26, a fan 27, the electric heating wire 30 and a photoelectric switch 25 are all connected with an external power supply, the electromagnetic valve 26 and the fan 27 are electrically connected with the photoelectric switch 25, the front surface of the heater 4 is provided with the switch, the electric heating wire 30 is electrically connected with the electric heating wire 30, and the electric heating wire 30 is arc-shaped.
The pressing mechanism 12 is used for pressing two layers of non-woven fabrics, the pressing mechanism 12 comprises a plurality of telescopic rods 13, fixing plates 14, elastic layers 15 and heat-resistant layers 16, the telescopic rods 13 are distributed left and right, the positions of the heat-resistant layers 16 correspond to the positions of the heating wires 30, the heat-resistant layers 16 are heat-resistant cellucotton and are used for increasing the laminating performance between non-woven fabric bags and the heating wires 30, the output ends of the telescopic rods 13 are fixedly connected with the fixing plates 14, the lower surfaces of the fixing plates 14 are fixedly connected with the elastic layers 15, and the lower surfaces of the elastic layers 15 are fixedly connected with the heat-resistant layers 16.
The blowing mechanism 20 is used for air cooling, the blowing mechanism 20 comprises a fan 27, a nozzle 17 and an air guide pipe, the fan 27 is fixedly connected with the upper surface of the bottom plate 1, the number of the blowing mechanisms 20 is two, the blowing mechanisms are distributed left and right, the lower surface of the nozzle 17 is fixedly connected with the lower supporting rod 18, the output end of the fan 27 is fixedly connected with the air guide pipe, and one end, far away from the fan 27, of the air guide pipe is fixedly connected with the nozzle 17.
The rotating device 29 is used for transferring bags of non-woven fabrics and triggering the photoelectric switch 25, the rotating device 29 comprises a bracket 21, a motor 22, a connecting rod 28, a first rotating shaft 23 and a second rotating shaft 24, the rear surface of the bracket 21 is fixedly connected with the motor 22, the output end of the motor 22 is fixedly connected with the connecting rod 28, the number of the connecting rods 28 is multiple and distributed annularly, gaps are reserved between the first rotating shaft 23 and the second rotating shaft 24, the second rotating shaft 24 is made of rubber and used for increasing friction force between the rubber and the non-woven fabrics, and the front surface of the connecting rod 28 is rotationally connected with the first rotating shaft 23 and the front surface of the bracket 21 is rotationally connected with the second rotating shaft 24.
The lower surface fixedly connected with photoelectric switch 25 of ejector pin 11, the upper surface fixedly connected with water tank 6 of heater 4, the internal surface fixedly connected with water pump 7 of water tank 6 for provide the hydrologic cycle, the output fixedly connected with pipe 8 of water pump 7, the upper surface fixedly connected with down branch 18 of bottom plate 1, the upper surface fixedly connected with heating wire 30 of lower branch 18, the internal surface fixedly connected with heat transfer tube 19 of lower branch 18, the quantity of heat transfer tube 19 is a plurality of and controls the distribution, the both ends of heat transfer tube 19 all with pipe 8 fixed connection, solenoid valve 26 is located inside the rear side pipe 8, the input fixed connection of front side pipe 8 and water pump 7, inside the extension of rear side pipe 8 to water tank 6, the internal surface fixedly connected with solenoid valve 26 of pipe 8.
Working principle: the non-woven fabric bag is placed on the upper side of the bottom plate 1, the heating wire 30 is opened, the telescopic rod 13 drives the elastic layer 15 and the heat-resistant layer 16 to descend, then the non-woven fabric bag is pressed, sealing can be carried out, the rotating device 29 rotates, triggering of the photoelectric switch 25 is completed when the first rotating shaft 23 is positioned at the leftmost position in the rotating process, the heat-resistant layer 16 is positioned at the lowest position, the first rotating shaft 23 and the second rotating shaft 24 at the lower side are positioned at staggered positions, when the photoelectric switch 25 is triggered, the fan 27 and the electromagnetic valve 26 are closed, due to the suction of the water pump 7, the inside of the heat exchange tube 19 is in a vacuum state, heat dissipation of the heating wire 30 is avoided, the triggering time of the photoelectric switch 25 is 0.3 seconds, after the first rotating shaft 23 continues to rotate, the fan 27 and the electromagnetic valve 26 are opened, and air cooling and water cooling are carried out simultaneously, and when the first rotating shaft 23 continues to rotate to the bottommost position, the non-woven fabric bag can be pushed out.
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 principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Non-woven fabrics wrapping bag heat-sealing machine, its characterized in that includes:
The novel solar energy heating device comprises a bottom plate (1), wherein a longitudinal rod (10) is fixedly connected to the upper surface of the bottom plate (1), a push rod (11) is fixedly connected to the upper surface of the longitudinal rod (10), a supporting leg (2) is fixedly connected to the lower surface of the bottom plate (1), a horizontal rod (9) is fixedly connected to the inner surface of the supporting leg (2), a support plate (3) is fixedly connected to the upper surface of the horizontal rod (9), and a heater (4) is fixedly connected to the upper surface of the support plate (3);
The pressing mechanism (12), the pressing mechanism (12) comprises a telescopic rod (13), a fixing sheet (14), an elastic layer (15) and a heat-resistant layer (16), the output end of the telescopic rod (13) is fixedly connected with the fixing sheet (14), the lower surface of the fixing sheet (14) is fixedly connected with the elastic layer (15), and the lower surface of the elastic layer (15) is fixedly connected with the heat-resistant layer (16);
The air blowing mechanism (20), the air blowing mechanism (20) comprises a fan (27), a nozzle (17) and an air guide pipe, the output end of the fan (27) is fixedly connected with the air guide pipe, and one end of the air guide pipe, which is far away from the fan (27), is fixedly connected with the nozzle (17);
The rotating device (29) comprises a bracket (21), a motor (22), a connecting rod (28), a first rotating shaft (23) and a second rotating shaft (24), wherein the rear surface of the bracket (21) is fixedly connected with the motor (22), the output end of the motor (22) is fixedly connected with the connecting rod (28), the front surface of the connecting rod (28) is rotationally connected with the first rotating shaft (23), and the front surface of the bracket (21) is rotationally connected with the second rotating shaft (24);
Lower fixed surface of ejector pin (11) is connected with photoelectric switch (25), the last fixed surface of heater (4) is connected with water tank (6), the internal surface fixedly connected with water pump (7) of water tank (6), the output fixedly connected with pipe (8) of water pump (7), the last fixed surface of bottom plate (1) is connected with down branch (18), the last fixed surface of lower branch (18) is connected with heating wire (30), the internal surface fixedly connected with heat transfer tube (19) of lower branch (18), the internal surface fixedly connected with electromagnetic valve (26) of pipe (8).
2. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the front surface of heater (4) is provided with knob (5), the front surface of heater (4) is provided with the switch, heater (4) and heating wire (30) electric connection, heating wire (30) are the arc.
3. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the number of the telescopic rods (13) is multiple, the telescopic rods are distributed left and right, the positions of the heat-resistant layers (16) correspond to the positions of the heating wires (30), and the heat-resistant layers (16) are heat-resistant cellucotton.
4. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the air blower (27) is fixedly connected with the upper surface of the bottom plate (1), the number of the air blowing mechanisms (20) is two, the air blowing mechanisms are distributed left and right, and the lower surface of the nozzle (17) is fixedly connected with the lower supporting rod (18).
5. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the number of the connecting rods (28) is multiple, the connecting rods are distributed annularly, gaps are formed between the first rotating shafts (23) and the second rotating shafts (24), and the second rotating shafts (24) are made of rubber materials.
6. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the electric heater is characterized in that the heater (4), the water pump (7), the telescopic rod (13), the motor (22), the electromagnetic valve (26), the fan (27), the heating wire (30) and the photoelectric switch (25) are all connected with an external power supply, and the electromagnetic valve (26), the fan (27) and the photoelectric switch (25) are electrically connected.
7. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the number of the heat exchange tubes (19) is multiple, the heat exchange tubes are distributed left and right, and two ends of each heat exchange tube (19) are fixedly connected with the corresponding guide tube (8).
8. The nonwoven fabric packaging bag heat sealing machine according to claim 1, wherein: the electromagnetic valve (26) is positioned in the rear side guide pipe (8), the front side guide pipe (8) is fixedly connected with the input end of the water pump (7), and the rear side guide pipe (8) extends to the inside of the water tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708668.2A CN116119123B (en) | 2022-12-29 | 2022-12-29 | Non-woven fabric packaging bag heat sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708668.2A CN116119123B (en) | 2022-12-29 | 2022-12-29 | Non-woven fabric packaging bag heat sealing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116119123A CN116119123A (en) | 2023-05-16 |
| CN116119123B true CN116119123B (en) | 2024-05-14 |
Family
ID=86303928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211708668.2A Active CN116119123B (en) | 2022-12-29 | 2022-12-29 | Non-woven fabric packaging bag heat sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116119123B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237800A (en) * | 1991-03-29 | 1993-08-24 | Omori Machinery Co., Ltd. | Shrink-wrapping method and apparatus |
| CN201729298U (en) * | 2010-05-20 | 2011-02-02 | 浙江江南制药机械有限公司 | Quickly cooling mechanism of blister packaging machine |
| CN105366122A (en) * | 2015-11-25 | 2016-03-02 | 江阴乐圩光电股份有限公司 | Cooling block of film sealing machine |
| CN111453094A (en) * | 2020-05-09 | 2020-07-28 | 江苏瑞尔光学有限公司 | Lens bag packaging machine |
-
2022
- 2022-12-29 CN CN202211708668.2A patent/CN116119123B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237800A (en) * | 1991-03-29 | 1993-08-24 | Omori Machinery Co., Ltd. | Shrink-wrapping method and apparatus |
| CN201729298U (en) * | 2010-05-20 | 2011-02-02 | 浙江江南制药机械有限公司 | Quickly cooling mechanism of blister packaging machine |
| CN105366122A (en) * | 2015-11-25 | 2016-03-02 | 江阴乐圩光电股份有限公司 | Cooling block of film sealing machine |
| CN111453094A (en) * | 2020-05-09 | 2020-07-28 | 江苏瑞尔光学有限公司 | Lens bag packaging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116119123A (en) | 2023-05-16 |
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