CN106696280B - Sealing box for vacuum sealing machine - Google Patents
Sealing box for vacuum sealing machine Download PDFInfo
- Publication number
- CN106696280B CN106696280B CN201611245025.3A CN201611245025A CN106696280B CN 106696280 B CN106696280 B CN 106696280B CN 201611245025 A CN201611245025 A CN 201611245025A CN 106696280 B CN106696280 B CN 106696280B
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- CN
- China
- Prior art keywords
- frame
- sealing
- plate
- guide
- vacuum
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 238000003466 welding Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000003584 silencer Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002344 surface layer Substances 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/001—Joining in special atmospheres
- B29C66/0012—Joining in special atmospheres characterised by the type of environment
- B29C66/0014—Gaseous environments
- B29C66/00145—Vacuum, e.g. partial vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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
Abstract
The application discloses a sealing box for a vacuum sealing machine, which comprises a frame, wherein a baffle is connected to the outer side of the frame in a sealing fit manner, the ends of a third pipeline and a fourth pipeline are respectively arranged in the corresponding frame, a first vacuum butterfly valve and a second vacuum butterfly valve are respectively arranged in the corresponding frame, a welding device is arranged on the upper side of the frame and comprises a lower welding device, the upper side of the lower welding device is provided with a welding device, one side of the frame is provided with a group of lifting cylinders, the lifting cylinders are lifted and connected with the welding device, and a lifting balance device is arranged in the frame. The application has the advantages that: the vacuum box of this device simple structure, convenient operation divides mouthful device by two welding in the vacuum chamber, and processing quantity is many, has improved machining efficiency high, and the vacuum panel after its device processing, the vacuum degree is higher, uses for a long time can not appear the condition that the vacuum degree reduces, and its easy operation is fit for using widely.
Description
Technical Field
The application relates to the technical field of sealing plate processing, in particular to a sealing box for a vacuum sealing machine.
Background
The vacuum heat insulation plate is one of vacuum heat insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced, the vacuum heat insulation plate is used for the existing heat insulation materials, and a vacuum sealing machine is required to be used for processing the existing vacuum heat insulation plate.
The existing vacuum sealing machine comprises a sealing machine body and an upper cover movably connected to the sealing machine body, wherein a vacuumizing mechanism is fixedly arranged on the upper cover and the sealing machine body respectively, the two vacuumizing mechanisms are oppositely and cooperatively arranged, and the vacuumizing mechanism comprises a sealing plate and an annular vacuumizing sealing groove arranged around the sealing plate. Sealing rings are respectively arranged in the two vacuumizing sealing grooves, and the sealing rings protrude out of the surface of the vacuumizing plate. After the upper cover and the main body of the sealing machine are pressed, the two sealing rings clamp the opening of the bag, and then vacuum pumping is carried out in a space formed by the two sealing plates and the two sealing rings. The existing two vacuumizing mechanisms are fixedly and unadjustably arranged on the sealing machine, the acting force of the two sealing rings propping against each other is large in working, after a certain period of use, the elasticity of the sealing rings is reduced due to high pressure, and then the pressed sealing rings cannot recover the original shape, so that the two sealing rings are difficult to clamp, the sealing is not tight, and the vacuumizing work is difficult to carry out. In order to solve the technical problems, the inventor designs a vacuum sealing machine, and the device is a sealing box for the vacuum sealing machine.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides a sealing box for a vacuum sealing machine.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a sealing box for a vacuum sealer, characterized in that: the device comprises a frame, wherein a baffle is connected to the outer side of the frame in a sealing fit manner, the end parts of a third pipeline and a fourth pipeline are respectively arranged in the corresponding frames, a first vacuum butterfly valve and a second vacuum butterfly valve are also respectively arranged in the corresponding frames, a welding device is arranged on the upper side of the frame and comprises a lower welding device, the upper side of the lower welding device is provided with the welding device, one side of the frame is provided with a group of lifting cylinders, the lifting cylinders are in lifting connection with the welding device, and a lifting balance device is arranged in the frame;
the lower welding device comprises a middle plate which is fixedly connected through a group of fixing plates, the lower side of the middle plate is connected with the lower plate through a group of lower welding cylinders, a heating plate is arranged on one side of the middle plate, a group of guide rods are further arranged on the frame, and each guide rod is in guide fit with the lower plate and the middle plate;
the upper welding device comprises an upper plate connected to the upper side of the middle plate through a group of upper welding cylinders, and each guide rod is also in guide fit with the upper plate.
Preferably, the lifting balance device comprises four guide seats symmetrically arranged on the frame, each guide seat is connected with a lifting rod in a guiding and matching manner, the upper end of each lifting rod is connected with a lifting seat, each lifting seat is fixedly connected with the welding device, two first transmission rods and two second transmission rods are further connected on the frame, two ends of each first transmission rod are connected with corresponding lifting rods through first transmission devices in a transmission manner, and two ends of each second transmission rod are connected with corresponding second transmission rods through second transmission devices in a transmission manner.
Preferably, the first transmission device comprises a first gear sleeved and fixed on the first transmission rod and a rack arranged on one side of the corresponding lifting rod, the first gear is meshed with the rack, and the second transmission device is of two meshed gear structures.
Preferably, the locking device is connected to each guide seat in a matched mode, the locking device comprises locking air cylinders connected to one side of each guide seat, a locking plate is connected to a piston rod of each locking air cylinder, the locking plates are arranged in the guide seats, and the locking plates are correspondingly matched with guide holes in the guide seats.
Preferably, each lower welding cylinder and each upper welding cylinder are connected with a sealing device, the sealing device comprises a sealing seat, a sealing gasket, a first inflation tube and a first silencer are arranged on one side in the sealing seat, and two sealing seats are respectively connected with a first connecting disc and a second connecting disc.
Preferably, the air breaking valve comprises a second air charging pipe, a first fixing plate is arranged on one side of the second air charging pipe, a second fixing plate is connected to the other side of the second air charging pipe, a group of second silencers are further arranged on the second air charging pipe, the first fixing plate is connected with an air breaking cylinder, a piston rod of the air breaking cylinder is connected with a gland, the gland is arranged in the second air charging pipe, a through hole is formed in the second fixing plate, and the gland is correspondingly matched with the through hole.
Preferably, the frame includes the underframe, is equipped with the bracing piece of a set of alternately setting in the underframe, is equipped with a set of first fixing base and a set of second fixing base respectively in the outside of underframe, connects two U type frames at the upside symmetry of underframe, and U type frame includes a set of pole setting of connecting on the underframe, connects the U template in the pole setting.
Preferably, a set of universal wheels and a set of supporting hydraulic cylinders are mounted on the underside of the frame.
Preferably, a viewing window is also provided on the welding device.
The application has the advantages that: the vacuum box of this device simple structure, convenient operation divides mouthful device by two welding in the vacuum chamber, and processing quantity is many, has improved machining efficiency high, and the vacuum panel after its device processing, the vacuum degree is higher, uses for a long time can not appear the condition that the vacuum degree reduces, and its easy operation is fit for using widely.
Drawings
FIG. 1 is a schematic view of a vacuum chamber according to the present application;
FIG. 2 is another view of FIG. 1;
FIG. 3 is a schematic diagram of a frame structure;
FIG. 4 is a schematic view of a lifting balance device;
FIG. 5 is a schematic view of the locking device assembly;
FIG. 6 is a schematic view of a locking mechanism;
FIG. 7 is a schematic view of the locking device in use;
FIG. 8 is a schematic view of a seal arrangement;
FIG. 9 is a schematic diagram of a blow valve structure;
fig. 10 is a cross-sectional view of fig. 9.
Description of the embodiments
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
As shown in fig. 1 and 2, the sealing box for a vacuum sealing machine provided by the application comprises a frame 19, a baffle 49 is connected to the outer side of the frame 19 in a sealing fit manner, the ends of a third pipeline and a fourth pipeline are respectively arranged in the corresponding frame 19, a first vacuum butterfly valve and a second vacuum butterfly valve are respectively arranged in the corresponding frame 19, a welding device is arranged on the upper side of the frame 19 and comprises a sealing cover in sealing fit with the frame 19 and the baffle 49, a lower welding device 22.1 is arranged in the sealing cover, an upper welding device 22.2 is arranged on the upper side of the lower welding device 22.1, a group of lifting cylinders 27 are arranged on one side of the frame 19, the lifting cylinders 27 lift the sealing cover connected with the welding device, and an observation window 23 is arranged on the sealing cover of the welding device.
The lower welding device 22.1 comprises four symmetrically arranged fixing plates 34, a lower connecting plate 34.1 is arranged on one side of each fixing plate 34, a folded plate 34.2 with 90 degrees is arranged on the other side of each fixing plate 34, an upper connecting plate 34.3 is arranged at the end part of each folded plate 34.2, two adjacent connecting plates 34.3 on two fixing plates 34 are connected and fixed with one heating plate 35, two clamping grooves are formed in the inner side of each heating plate 35, and two middle plates 36 are clamped and fixed between the two heating plates 35. The lower side of the middle plate 36 is connected with the lower plate 33 through a group of lower welding cylinders 26, a group of guide rods 37 are also arranged on the frame 19, and each guide rod 37 is in guide fit with the lower plate 33 and the middle plate 36; the upper welding device 22.2 comprises an upper plate 38 connected to the upper side of the middle plate 36 by means of a set of upper welding cylinders 24, each of said guide bars 37 also being in guiding engagement with the upper plate 38. Two heating plates 35 are used for vacuum plate sealing.
As shown in fig. 3 and 4, the square frame 19 includes a bottom frame 50, a set of support rods 55 disposed in the bottom frame 50 in a crossing manner, a first fixing seat 53 disposed at four corners of the outer side of the bottom frame 50, two second fixing seats 54 disposed at two opposite sides of the bottom frame 50, two U-shaped frames 51 symmetrically connected to the upper side of the bottom frame 50, the U-shaped frames 51 including a set of upright posts connected to the bottom frame 50, a U-shaped plate 52 connected to the upright posts, a universal wheel 21 mounted on each first fixing seat 53, and a supporting hydraulic cylinder 20 mounted on each second fixing seat 54.
The lifting balance device is arranged in the frame 19 and comprises four guide seats 40 symmetrically arranged on the frame 19, each guide seat 40 is fixed on the frame 19 through a supporting rod 39, each guide seat 40 is connected with one lifting rod 29 in a guiding and matching mode, the upper end of each lifting rod 29 is connected with one lifting seat 42, each lifting seat 42 is fixedly connected with a welding device, two first transmission rods 44 and two second transmission rods 45 are further connected to the frame 19, two ends of each first transmission rod 44 are connected with corresponding lifting rods 29 through first transmission devices, and two ends of each second transmission rod 45 are connected with corresponding second transmission rods 45 through second transmission devices 47.
The first transmission device comprises a first gear 31 sleeved and fixed on a first transmission rod 44 and a rack 30 arranged on one side of the corresponding lifting rod 29, the first gear 31 is meshed with the rack 30, and the second transmission device 47 is in a two-meshed gear structure.
As shown in fig. 5, 6 and 7, the locking device is matched and connected to each guide holder 40, the guide holders 40 comprise a U-shaped support plate 74, guide holes 72 are formed in the U-shaped support plate 74, corresponding lifting rods 29 are connected to the guide holes 72 in a guiding manner through guide sleeves 43, limiting plates 73 are respectively arranged on two sides of each guide hole 72 in the U-shaped support plate 74, a mounting plate 48 is arranged on the rear side of each U-shaped support plate 74, a locking cylinder 41 is connected to the mounting plate 48, a piston rod of each locking cylinder 41 is arranged in each U-shaped support plate 74, a locking plate 71 is connected to the piston rod of each locking cylinder 41, each locking plate 71 is an L-shaped plate, two sides of each locking plate 71 are in limiting guide fit with the corresponding limiting plates 73, arc grooves 71.1 are formed in the front side of each locking plate 71, and the arc grooves 71.1 are correspondingly matched with the corresponding guide holes 72.
As shown in fig. 8, a sealing device is connected to each lower welding cylinder 26 and each upper welding cylinder 24, the sealing device comprises a sealing seat 63, the sealing seat 63 is in a stepped tubular structure, two sealing seats 63 are respectively connected with a first connecting disc 64 and a second connecting disc 70, a sealing gasket 66, a first air charging pipe 67 and a first silencer 69 are arranged on one side in the sealing seat 63, and the sealing gasket 66, the first air charging pipe 67 and the first silencer 69 are locked and fixed on a piston rod of the cylinder through locking nuts.
As shown in fig. 9 and 10, the air breaking valve 25 comprises a second air charging tube 57, a first fixing plate 58 is arranged on one side of the second air charging tube 57, a second fixing plate 62 is connected to the other side of the second air charging tube 57, a group of second silencers 61 are further arranged on the second air charging tube 57, the second silencers 61 are positioned in the prior art, an air breaking cylinder 59 is connected to the first fixing plate 58, a gland 60 is connected to a piston rod of the air breaking cylinder 59, the gland 60 is arranged in the second air charging tube 57, a through hole 62.1 is arranged on the second fixing plate 62, and the gland 60 is correspondingly matched with the through hole 62.1.
Claims (6)
1. A sealing box for a vacuum sealer, characterized in that: the device comprises a frame (19), wherein a baffle plate (49) is connected to the outer side of the frame (19) in a sealing fit manner, the end parts of a third pipeline and a fourth pipeline are respectively arranged in the corresponding frame (19), a first vacuum butterfly valve and a second vacuum butterfly valve are respectively arranged in the corresponding frame (19), a welding device is arranged on the upper side of the frame (19), the welding device comprises a lower welding device (22.1), an upper welding device (22.2) is arranged on the upper side of the lower welding device (22.1), a group of lifting cylinders (27) are arranged on one side of the frame (19), the lifting cylinders (27) are lifted and connected with the welding device, and a lifting balance device is arranged in the frame (19);
the lower welding device (22.1) comprises a middle plate (36) which is fixedly connected through a group of fixing plates (34), the lower side of the middle plate (36) is connected with a lower plate (33) through a group of lower welding cylinders (26), a heating plate (35) is arranged on one side of the middle plate (36), a group of guide rods (37) are further arranged on the frame (19), and each guide rod (37) is in guide fit with the lower plate (33) and the middle plate (36);
the upper welding device (22.2) comprises an upper plate (38) connected to the upper side of the middle plate (36) through a group of upper welding cylinders (24), and each guide rod (37) is also in guide fit with the upper plate (38);
the lifting balance device comprises four guide seats (40) symmetrically arranged on the frame (19), each guide seat (40) is connected with one lifting rod (29) in a guiding and matching manner, the upper end of each lifting rod (29) is connected with one lifting seat (42), each lifting seat (42) is fixedly connected to the welding device, two first transmission rods (44) and two second transmission rods (45) are further connected to the frame (19), two ends of each first transmission rod (44) are connected with the corresponding lifting rod (29) through a first transmission device in a transmission manner, and two ends of each second transmission rod (45) are connected with the corresponding second transmission rods (45) through a second transmission device (47) in a transmission manner;
a sealing device is connected to each lower welding cylinder (26) and each upper welding cylinder (24), the sealing device comprises a sealing seat (63), a sealing gasket (66), a first inflation tube (67) and a first silencer (69) are arranged on one side in the sealing seat, and two sealing seats (63) are respectively connected with a first connecting disc (64) and a second connecting disc (70).
2. A closure box for a vacuum sealer as claimed in claim 1, wherein: the first transmission device comprises a first gear (31) sleeved and fixed on the first transmission rod (44) and a rack (30) arranged on one side of the corresponding lifting rod (29), the first gear (31) is meshed with the rack (30), and the second transmission device (47) is of two meshed gear structures.
3. A closure box for a vacuum sealer as claimed in claim 1, wherein: the locking device is connected to each guide seat (40) in a matched mode, each locking device comprises a locking air cylinder (41) connected to one side of each guide seat (40), a locking plate (71) is connected to a piston rod of each locking air cylinder (41), the locking plates (71) are arranged in the guide seats (40), and the locking plates (71) are correspondingly matched with guide holes (72) in the guide seats (40).
4. A closure box for a vacuum sealer as claimed in claim 1, wherein: the frame (19) comprises a bottom frame (50), a group of support rods (55) which are arranged in a crossed mode are arranged in the bottom frame (50), a group of first fixing seats (53) and a group of second fixing seats (54) are respectively arranged on the outer side of the bottom frame (50), two U-shaped frames (51) are symmetrically connected to the upper side of the bottom frame (50), each U-shaped frame (51) comprises a group of vertical rods which are connected to the bottom frame (50), and each U-shaped plate (52) is connected to each vertical rod.
5. A closure box for a vacuum sealer as claimed in claim 1, wherein: a group of universal wheels (21) and a group of supporting hydraulic cylinders (20) are arranged on the lower side of the frame (19).
6. A closure box for a vacuum sealer as claimed in claim 1, wherein: the welding device is also provided with an observation window (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245025.3A CN106696280B (en) | 2016-12-29 | 2016-12-29 | Sealing box for vacuum sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245025.3A CN106696280B (en) | 2016-12-29 | 2016-12-29 | Sealing box for vacuum sealing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696280A CN106696280A (en) | 2017-05-24 |
| CN106696280B true CN106696280B (en) | 2023-08-29 |
Family
ID=58903981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245025.3A Active CN106696280B (en) | 2016-12-29 | 2016-12-29 | Sealing box for vacuum sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696280B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100960903B1 (en) * | 2009-12-14 | 2010-06-04 | 엔알티 주식회사 | Forming apparatus of vacuum insulating material panel |
| CN202541899U (en) * | 2012-03-13 | 2012-11-21 | 江苏联光光电科技有限公司 | Sealing machine in vacuum box |
| KR20130056599A (en) * | 2011-11-22 | 2013-05-30 | 동일자동화(주) | Apparatus for processing the vaccum insulation panel |
| CN204701839U (en) * | 2015-06-01 | 2015-10-14 | 安徽百特新材料科技有限公司 | A kind of boiling hot knife system of vacuum sealer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3876491B2 (en) * | 1997-02-27 | 2007-01-31 | 三菱電機株式会社 | Vacuum insulation panel, method for manufacturing the same, and refrigerator using the same |
| ITBO20060846A1 (en) * | 2006-12-11 | 2008-06-12 | Minerva Di Chiodini Mario S R L | DEVICE AND METHOD FOR PACKAGING UNDER VACUUM. |
| US20120237715A1 (en) * | 2011-03-17 | 2012-09-20 | Xerox Corporation | Bending preformed vacuum insulation panel |
| CN102168784B (en) * | 2011-03-28 | 2012-09-05 | 启东市恒怡电源有限公司 | Vacuum insulation plate sealing machine and sealing process for sealing vacuum insulation plate by utilizing same |
| JP2013083283A (en) * | 2011-10-06 | 2013-05-09 | Npc Inc | Vacuum heat insulating material, and manufacturing method and manufacturing device thereof |
| CN104373762A (en) * | 2013-08-12 | 2015-02-25 | 苏州维艾普新材料股份有限公司 | Packaging equipment with function of quickly cooling heat-sealed edge of vacuum insulating plate and method of cooling heat-sealed edge by using packaging equipment |
| CN206781038U (en) * | 2016-12-29 | 2017-12-22 | 安徽德重机械有限公司 | A kind of sealing case for vacuum sealer |
-
2016
- 2016-12-29 CN CN201611245025.3A patent/CN106696280B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100960903B1 (en) * | 2009-12-14 | 2010-06-04 | 엔알티 주식회사 | Forming apparatus of vacuum insulating material panel |
| KR20130056599A (en) * | 2011-11-22 | 2013-05-30 | 동일자동화(주) | Apparatus for processing the vaccum insulation panel |
| CN202541899U (en) * | 2012-03-13 | 2012-11-21 | 江苏联光光电科技有限公司 | Sealing machine in vacuum box |
| CN204701839U (en) * | 2015-06-01 | 2015-10-14 | 安徽百特新材料科技有限公司 | A kind of boiling hot knife system of vacuum sealer |
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| Publication number | Publication date |
|---|---|
| CN106696280A (en) | 2017-05-24 |
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Denomination of invention: A sealing box for vacuum sealing machines Effective date of registration: 20231108 Granted publication date: 20230829 Pledgee: Bengbu financing guarantee Group Co.,Ltd. Pledgor: ANHUI DEZHONG MACHINERY Co.,Ltd. Registration number: Y2023980064749 |