CN109334109B - Edge folding device of medium-sealed paper bag machine - Google Patents
Edge folding device of medium-sealed paper bag machine Download PDFInfo
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- CN109334109B CN109334109B CN201811375402.4A CN201811375402A CN109334109B CN 109334109 B CN109334109 B CN 109334109B CN 201811375402 A CN201811375402 A CN 201811375402A CN 109334109 B CN109334109 B CN 109334109B
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- pressing
- film
- packaging film
- pressing plate
- subassembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
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- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a flanging device of a medium paper bag sealing machine, which comprises a rack, wherein a pressing component, a pre-bending component and a blank pressing component are arranged on the rack, the pressing component is rotatably connected on the rack and positioned above a packaging film, the bottom of the pressing component can be pressed down to the upper surface of the middle part of the packaging film, an adjusting component for adjusting the bottom size of the pressing component is arranged on the pressing component, the pre-bending component is symmetrically arranged at two sides of the packaging film, and the blank pressing component is symmetrically arranged at two sides of the packaging film and positioned at one side of the pre-bending component far away from the pressing component.
Description
Technical Field
The invention relates to the technical field of packaging, in particular to a folding device of a medium paper bag sealing machine.
Background
The packaging bag is a bag used for packaging various articles, so that goods are convenient to transport and easy to store in a production flow process, and the packaging bag is widely used in daily life and industrial production.
Disclosure of Invention
In view of the above, the present invention is directed to an apparatus that solves one or both of the above problems.
The edge folding device of the medium paper bag sealing machine comprises a rack, wherein a pressing assembly, a pre-folding assembly and an edge pressing assembly are mounted on the rack, the pressing assembly is rotatably connected to the rack and located above a packaging film, the bottom of the pressing assembly can be pressed to the upper surface of the middle part of the packaging film, an adjusting assembly for adjusting the size of the bottom of the pressing assembly is mounted on the pressing assembly, the pre-folding assemblies are symmetrically arranged on two sides of the packaging film, and the edge pressing assembly is symmetrically arranged on two sides of the packaging film and located on one side, far away from the pressing assembly, of the pre-folding assembly.
Furthermore, the pressing component comprises a rotating shaft, the rotating shaft is mounted on the frame in a bearing connection mode, a rotating motor for driving the rotating shaft to rotate is mounted at one end of the rotating shaft, a first angle sensor for measuring the rotation angle of the rotating shaft is mounted at the other end of the rotating shaft, two pressing rods are symmetrically mounted on the rotating shaft in a hinged mode, a second angle sensor for measuring the rotation angle of the pressing rods is mounted at the hinged position of the rotating shaft and the pressing rods, open cavities are formed in the lower sides of the two pressing rods, extension springs are mounted in the two cavities, one end of each extension spring is fixed in the corresponding cavity, a flexible rope is mounted at the other end of each extension spring, and the other end of each flexible rope penetrates through one cavity of the pressing rods and enters the other cavity of the corresponding pressing rod, and is connected with another extension spring, the adjusting part is installed in the middle of the rotating shaft and is connected with the upper ends of the two lower pressing rods.
Furthermore, the adjusting component comprises a supporting shaft, the supporting shaft is perpendicular to the rotating shaft and is installed in the middle of the rotating shaft, a take-up pulley is rotatably installed on the upper portion of the rotating shaft and is respectively connected with the upper end of the lower pressing rod through a pull rope, a ratchet wheel is further installed at the upper end of the supporting shaft, a clamping pin is hinged to the lower portion of the take-up pulley, and the clamping pin is matched with the ratchet wheel.
Furthermore, a hand wheel is installed on the upper portion of the take-up pulley.
Furthermore, it includes the piece of folding of book to roll over in advance the pressure subassembly, the piece of folding of book is installed through sliding connection's mode in the frame, the one end of the piece of folding of book is rotated and is connected with the pulling rod, the pulling rod is installed through bolted connection's mode in the frame, the pulling rod is kept away from the one end of the piece of folding of book is installed adjusting hand wheel.
Further, the blank pressing subassembly includes the deflector, goes up the pressure membrane board and pushes down the pressure membrane board, it is in with the equal sliding fit's of one end setting of pushing down the pressure membrane board to go up the pressure membrane board and be in on the deflector to can remove along the direction of delivery of packaging film, the other end of pushing down the pressure membrane board extends to the middle part of packaging film down, the other end of going up the pressure membrane board extends to the upper portion of pushing down the pressure membrane board, push down the pressure membrane board with go up the pressure membrane board cooperation for this limit region of packaging film after the hem pushes down, stereotypes.
Further, set up first bar through-hole on the deflector, the length direction of first bar through-hole with packaging film transmission direction is parallel, all be equipped with second bar through-hole on the length direction of last pressure diaphragm plate and lower pressure diaphragm plate the deflector with go up the pressure diaphragm plate the deflector with all be provided with the connecting piece down between the pressure diaphragm plate, install in first bar through-hole and second bar through-hole through sliding connection's mode respectively in the both sides of connecting piece, clamp bolt is all installed at the both ends of connecting piece.
Furthermore, the end part of the lower pressing diaphragm plate is provided with a clip-shaped sliding cavity, a plurality of balls are installed in the sliding cavity, the balls form a closed loop in the sliding cavity, and the balls are exposed out of the end part of the lower pressing diaphragm plate.
From the above, the edge folding device of the medium paper bag sealing machine provided by the invention can realize edge folding of packaging films with different specifications through the arrangement of the pressing component with adjustable size and the pre-folding component, so that frequent replacement of workpieces is avoided, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a hemming device of a medium paper bag sealing machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a hold-down assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of an adjustment assembly of an embodiment of the present invention;
FIG. 4 is a top view of an adjustment assembly of an embodiment of the present invention;
FIG. 5 is a schematic view of a pre-crimping assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a binder assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of a lower diaphragm plate according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
The edge folding device of the medium paper bag sealing machine comprises a rack, wherein a pressing assembly, a pre-folding assembly and an edge pressing assembly are mounted on the rack, the pressing assembly is rotatably connected to the rack and located above a packaging film, the bottom of the pressing assembly can be pressed to the upper surface of the middle part of the packaging film, an adjusting assembly for adjusting the size of the bottom of the pressing assembly is mounted on the pressing assembly, the pre-folding assemblies are symmetrically arranged on two sides of the packaging film, and the edge pressing assembly is symmetrically arranged on two sides of the packaging film and located on one side, far away from the pressing assembly, of the pre-folding assembly.
As one embodiment of the invention, as shown in fig. 1, the device comprises a frame 1, a lower pressing component 2, a pre-folding component 3 and a blank pressing component 4 are arranged on the frame 1, a packaging film 5 is conveyed to the lower pressing component 2 by a conveying component, the lower pressing component 2 is rotatably connected on the frame 1, and is positioned above the packaging film 5, the bottom of the packaging film can be pressed down to the upper surface of the middle part of the packaging film 5, an adjusting component 6 for adjusting the size of the bottom of the packaging film is arranged on the pressing component 2, the size of the lower part of the pressing component 2 is driven to change according to the work of the adjusting component 6, so as to press the packaging films 5 with different sizes for pre-flanging, the pre-folding and pressing assemblies 3 are symmetrically arranged on two sides of the packaging film 5, and the edge pressing assemblies 4 are symmetrically arranged on two sides of the packaging film 5 and located on one side, far away from the pressing assemblies 2, of the pre-folding and pressing assemblies 3. When the folding device is used, the size of the lower part of the pressing component 2 is adjusted through the adjusting component 6 according to use requirements, the pressing drilling is rotated to press the packaging film 5, the pre-folding component 3 is used for pre-folding, and the shaping is carried out through the edge pressing component 4.
In order to realize the size adjustability of the pressing component 2, as shown in fig. 2, the pressing component 2 includes a rotating shaft 21, the rotating shaft 21 is mounted on the frame 1 through a bearing connection manner, a rotating motor 22 for driving the rotating shaft 21 to rotate is mounted at one end of the rotating shaft 21, a first angle sensor 23 for measuring a rotation angle of the rotating shaft 21 is mounted at the other end of the rotating shaft 21, two pressing rods 24 are symmetrically mounted on the rotating shaft 21 through a hinge manner, a second angle sensor 25 for measuring a rotation angle of the pressing rod 24 is mounted at a hinge position of the rotating shaft 21 and the pressing rod 24, open cavities 26 are respectively formed at lower sides of the two pressing rods 24, extension springs 27 are respectively mounted in the two cavities 26, one end of each extension spring 27 is fixed in the corresponding cavity 26, and a flexible rope 28 is mounted at the other end of each extension spring 27, the other end of the flexible rope 28 penetrates through the cavity 26 of one of the pressing rods 24, enters the cavity 26 of the other pressing rod 24 and is connected with the other extension spring 27, and the adjusting assembly 6 is installed in the middle of the rotating shaft 21 and is connected with the upper ends of the two pressing rods 24. Wherein, two lower pressing rods 24 are installed on the same plane, when not in work, the rotating motor 22 drives the rotating shaft 21 to rotate, so that the lower pressing rods 24 are far away from the packaging film 5, the adjusting component 6 works, the adjusting component 6 drives the upper parts of the two lower pressing rods 24 to move, the two lower pressing rods 24 rotate at the hinged points of the two lower pressing rods 24 and the rotating shaft 21, the lower parts of the two lower pressing rods 24 perform opening and closing actions, in order to realize the back and forth rotation of the lower pressing rods 24, the hinged position of the lower pressing rods 24 is also provided with a torsion spring, the flexible rope 28 is always kept in a stretched state by the arrangement of the tension spring 27, after the size is adjusted, the rotating motor 22 drives the rotating shaft 21 to rotate, the lower pressing rods 24 press and support the packaging film 5, because the included angles of the two lower pressing rods 24 are different, the distances between the flexible rope 28 and the rotating shaft 21 are different, the rotating angle of the lower pressing rods, the position that the flexible rope 28 pushed down is the same when guaranteeing different specifications, and this setting makes and pushes down the size of subassembly 2 lower part and can adjust wantonly, convenient and practical.
In order to realize the operation of the adjusting assembly 6, as shown in fig. 3 and 4, the adjusting assembly 6 includes a supporting shaft 61, the supporting shaft 61 is perpendicular to the rotating shaft 21 and is installed in the middle of the rotating shaft 21, a take-up pulley 62 is rotatably installed on the upper portion of the rotating shaft 21, the take-up pulley 62 is respectively connected with the upper end of the lower pressing rod 24 through a pull rope, a ratchet wheel 63 is further installed on the upper end of the supporting shaft 61, a locking pin 64 is hinged to the lower portion of the take-up pulley 62, and the locking pin 64 is matched with the ratchet wheel 63. When the wire winding wheel 62 is rotated, the wire winding wheel 62 drives the pull ropes at two ends to contract, the pull ropes drive two lower pressing rods 24 to move, the stop pin 64 is matched with the ratchet wheel 63, the reverse rotation of the wire winding wheel 62 is prevented, and when the wire winding wheel 62 needs to be rotated reversely, the stop pin 64 needs to be manually pulled open.
In order to facilitate the operation of the take-up pulley 62, a hand wheel 65 is mounted on the upper portion of the take-up pulley 62.
In order to realize the pre-folding and pressing of the packaging film 5, as shown in fig. 5, the pre-folding and pressing assembly 3 comprises a folding piece 31, the folding piece 31 is installed on the frame 1 in a sliding connection manner, one end of the folding piece 31 is rotatably connected with a pulling rod 32, the pulling rod 32 is installed on the frame 1 in a bolt connection manner, and an adjusting hand wheel 33 is installed at one end of the pulling rod 32 away from the folding piece 31. Wherein, operation adjusting hand wheel 33, adjusting hand wheel 33 drive the pulling pole 32 and rotate, and the pulling pole 32 passes through screw drive and drives the piece 31 of buckling and slide along frame 1, adjusts the distance between two pieces 31 of buckling, through the cooperation of pushing down subassembly 2 and the preceding piece 3 of buckling, realizes the hem of the packaging film 5 of multiple specification, has improved the device's application scope.
In order to realize pressing down and sizing the edge region of the folded packaging film 5, as shown in fig. 6, the edge pressing assembly 4 includes a guide plate 41, an upper pressing film plate 42 and a lower pressing film plate 43, the upper pressing film plate 42 and one end of the lower pressing film plate 43 are arranged on the guide plate 41 in a sliding fit manner and can move along the conveying direction of the packaging film 5, the other end of the lower pressing film plate 43 extends to the middle of the packaging film 5, and the other end of the upper pressing film plate 42 extends to the upper part of the lower pressing film plate 43. Wherein, the lower film pressing plate 43 is propped against the middle seam of the seal of the packaging film 5, and the upper film pressing plate 42 is used for pressing down and shaping the seal.
For the convenience of the adjustment of the sealing size, first bar through-hole 44 has been seted up on deflector 41, the length direction of first bar through-hole 44 with the 5 transmission direction of packaging film are parallel, all be equipped with second bar through-hole 45 on the length direction of last pressure diaphragm plate 42 and lower pressure diaphragm plate 43 deflector 41 with go up pressure diaphragm plate 42 deflector 41 with all be provided with connecting piece 46 down between the diaphragm plate 43, install in first bar through-hole 44 and second bar through-hole 45 through sliding connection's mode respectively in the both sides of connecting piece 46, clamp bolt 47 is all installed at the both ends of connecting piece 46. The two ends of the connecting piece 46 are respectively provided with a square block as shown in fig. 6, the square blocks at the two ends are respectively matched with the first strip-shaped through hole 44 and the second strip-shaped through hole 45, and after the positions are adjusted, the locking is carried out through the compression bolt 47.
In order to prevent the middle seam of the packaging film 5 from being torn due to excessive friction force, as shown in fig. 7, a clip-shaped sliding cavity 431 is formed at the end of the lower film pressing plate 43, a plurality of balls 432 are installed in the sliding cavity, the balls 432 form a closed loop in the sliding cavity, and the balls 432 are exposed out of the end of the lower film pressing plate 43. The middle seam of the seal of the packaging film 5 is in contact with the ball 432, the ball 432 is driven to slide, and meanwhile, the ball 432 rolls in the square-shaped sliding cavity 431, so that the friction force between the packaging film 5 and the ball 432 is reduced, and the packaging film 5 is prevented from being torn.
When the packaging film stretching device is used, an operator operates the hand wheel 65, the hand wheel 65 drives the take-up pulley 62 to rotate, the take-up pulley 62 drives the stretching ropes at two ends to contract, the stretching ropes drive the two lower pressing rods 24 to move, the two lower pressing rods 24 rotate through hinged points of the two lower pressing rods 24 and the rotating shaft 21, the lower parts of the two lower pressing rods 24 perform opening and closing actions, the stretching spring 27 enables the flexible rope 28 to keep a stretched state all the time, after the size is adjusted, the rotating motor 22 drives the rotating shaft 21 to rotate, and the lower pressing rods 24 perform pressing support on the packaging film; operating the adjusting hand wheel 33, driving the pulling rod 32 to rotate by the adjusting hand wheel 33, driving the folded pieces 31 to slide along the rack 1 by the pulling rod 32 through thread transmission, and adjusting the distance between the two folded pieces 31; sequentially penetrating the packaging film 5 through the lower pressing assembly 2, the pre-folding assembly 3 and the edge pressing assembly 4 to carry out edge folding operation; according to the invention, through the arrangement of the size-adjustable pressing component 2 and the pre-folding component 3, the folding of the packaging films 5 with different specifications can be realized, the frequent replacement of workpieces is avoided, and the production efficiency is improved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a hem device of well seal paper bag machine, its characterized in that, includes the frame, install in the frame and push down the subassembly, roll over in advance and press subassembly and blank pressing subassembly, push down the subassembly and rotate to be connected in the frame to be located the top of packaging film, and its bottom can push down to the upper surface of packaging film mid portion, install the adjusting part who adjusts its bottom size on pushing down the subassembly, roll over in advance and press the subassembly symmetry and set up in the both sides of packaging film, blank pressing subassembly symmetry sets up in the both sides of packaging film and is located one side that the subassembly was kept away from in advance and presses the subassembly, it includes the axis of rotation to push down the subassembly, the mode that the axis of rotation passes through the bearing and connects is installed in the frame, the one end of axis of rotation is installed and is driven its pivoted rotation motor, the first angle sensor of its turned angle of survey is installed to the other end of axis, two lower pressing rods are symmetrically installed on the rotating shaft in a hinged mode, the rotating shaft and the hinged position of the lower pressing rods are provided with a measuring device, a second angle sensor of the corner of the lower pressing rod is provided with two open cavities, two stretching springs are installed in the cavities, one ends of the stretching springs are fixed in the cavities, flexible ropes are installed at the other ends of the stretching springs, the other ends of the flexible ropes penetrate through one of the cavities of the lower pressing rods and enter the other of the cavities of the lower pressing rods, the stretching springs are connected with the other of the cavities, and the adjusting assembly is installed in the middle of the rotating shaft and connected with the upper ends of the lower pressing rods.
2. The edge folding device for the medium paper bag sealing machine as claimed in claim 1, wherein the adjusting assembly comprises a supporting shaft, the supporting shaft is perpendicular to the rotating shaft and is installed in the middle of the rotating shaft, a take-up pulley is rotatably installed on the upper portion of the rotating shaft, the take-up pulley is respectively connected with the upper ends of the lower pressing rods through pull ropes, a ratchet wheel is further installed on the upper end of the supporting shaft, and a locking pin is hinged to the lower portion of the take-up pulley and is matched with the ratchet wheel.
3. The edge folding device for the medium paper bag sealing machine as claimed in claim 2, wherein a hand wheel is mounted on the upper portion of the take-up pulley.
4. The edge folding device for the medium paper bag sealing machine as claimed in claim 1, wherein the pre-folding and pressing assembly comprises a folding member, the folding member is mounted on the frame in a sliding connection manner, one end of the folding member is rotatably connected with a pulling rod, the pulling rod is mounted on the frame in a bolt connection manner, and one end of the pulling rod, which is far away from the folding member, is provided with an adjusting hand wheel.
5. The edge folding device for the medium paper bag sealing machine as claimed in claim 1, wherein the edge pressing assembly comprises a guide plate, an upper film pressing plate and a lower film pressing plate, one end of the upper film pressing plate and one end of the lower film pressing plate are both arranged on the guide plate in a sliding fit manner and can move along the conveying direction of the packaging film, the other end of the lower film pressing plate extends to the middle of the packaging film, the other end of the upper film pressing plate extends to the upper part of the lower film pressing plate, and the lower film pressing plate is matched with the upper film pressing plate and used for pressing and shaping the edge area of the folded packaging film.
6. The edge folding device for the medium paper bag sealing machine as claimed in claim 5, wherein the guide plate is provided with a first strip-shaped through hole, the length direction of the first strip-shaped through hole is parallel to the transmission direction of the packaging film, the upper film pressing plate and the lower film pressing plate are provided with a second strip-shaped through hole in the length direction, connecting members are respectively arranged between the guide plate and the upper film pressing plate, between the guide plate and the lower film pressing plate, between both sides of the connecting members are respectively installed in the first strip-shaped through hole and the second strip-shaped through hole in a sliding connection manner, and both ends of the connecting members are respectively installed with a compression bolt.
7. The hemming device for medium paper bag machine according to claim 5 wherein the end of the lower press film is provided with a clip-shaped sliding cavity, the sliding cavity is internally provided with a plurality of balls, the balls form a closed loop in the sliding cavity, and the balls expose the end of the lower press film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375402.4A CN109334109B (en) | 2018-11-19 | 2018-11-19 | Edge folding device of medium-sealed paper bag machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375402.4A CN109334109B (en) | 2018-11-19 | 2018-11-19 | Edge folding device of medium-sealed paper bag machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334109A CN109334109A (en) | 2019-02-15 |
| CN109334109B true CN109334109B (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375402.4A Active CN109334109B (en) | 2018-11-19 | 2018-11-19 | Edge folding device of medium-sealed paper bag machine |
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| Country | Link |
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| CN (1) | CN109334109B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792801A1 (en) * | 1996-02-27 | 1997-09-03 | Flexico-France | Automatic machine and method for forming, filling and closing packaging bags |
| JP2006082388A (en) * | 2004-09-16 | 2006-03-30 | Toyo Seikan Kaisha Ltd | Apparatus for producing tubular film |
| JP2010264653A (en) * | 2009-05-14 | 2010-11-25 | Gunze Ltd | Apparatus for manufacturing cylindrical film |
| CN105437616A (en) * | 2015-12-22 | 2016-03-30 | 安庆博美塑业有限公司 | Paper-adding middle sealing mechanism of bag making machine, and packaging bag |
| CN105437613A (en) * | 2015-12-22 | 2016-03-30 | 安庆博美塑业有限公司 | Edge folding mechanism for middle-sealing bag making machine |
| CN206264434U (en) * | 2016-11-21 | 2017-06-20 | 苏州万洋精密机械有限公司 | For the folding device of Bag Making Machine |
-
2018
- 2018-11-19 CN CN201811375402.4A patent/CN109334109B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792801A1 (en) * | 1996-02-27 | 1997-09-03 | Flexico-France | Automatic machine and method for forming, filling and closing packaging bags |
| JP2006082388A (en) * | 2004-09-16 | 2006-03-30 | Toyo Seikan Kaisha Ltd | Apparatus for producing tubular film |
| JP2010264653A (en) * | 2009-05-14 | 2010-11-25 | Gunze Ltd | Apparatus for manufacturing cylindrical film |
| CN105437616A (en) * | 2015-12-22 | 2016-03-30 | 安庆博美塑业有限公司 | Paper-adding middle sealing mechanism of bag making machine, and packaging bag |
| CN105437613A (en) * | 2015-12-22 | 2016-03-30 | 安庆博美塑业有限公司 | Edge folding mechanism for middle-sealing bag making machine |
| CN206264434U (en) * | 2016-11-21 | 2017-06-20 | 苏州万洋精密机械有限公司 | For the folding device of Bag Making Machine |
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|---|---|
| CN109334109A (en) | 2019-02-15 |
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Denomination of invention: A folding device of middle sealing paper bag machine Effective date of registration: 20210125 Granted publication date: 20200821 Pledgee: Lixin Xinyida Financing Guarantee Co.,Ltd. Pledgor: ANHUI THE PARKSON SOURCE PACKAGING MATERIALS Co.,Ltd. Registration number: Y2021980000645 |
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