CN109822973B - A point formula of cutting out equipment for disposal bag production - Google Patents
A point formula of cutting out equipment for disposal bag production Download PDFInfo
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- CN109822973B CN109822973B CN201910282513.9A CN201910282513A CN109822973B CN 109822973 B CN109822973 B CN 109822973B CN 201910282513 A CN201910282513 A CN 201910282513A CN 109822973 B CN109822973 B CN 109822973B
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Abstract
The invention relates to point-breaking type notching equipment for garbage bag production, which comprises a grooving base, two clamping and tightening devices and a notching device, wherein the two clamping and tightening devices are arranged on the front side and the rear side of the upper end of the grooving base, and the notching device is arranged at the left end of the grooving base. The invention can solve the problems that the garbage bags with different widths need to be notched by corresponding notching dies in the existing garbage bag processing, the garbage bags are inconvenient to replace in the processing, the garbage bags are not tightened in the notching process, the notches are uneven or overlapped, and the like, has the advantages that the garbage bags are in a tightened state in the processing, the notches are not uneven or overlapped, the spacing of notching knives can be adjusted, the garbage bags with different widths are suitable, the notching dies do not need to be replaced, and the like.
Description
Technical Field
The invention relates to the field of garbage bag processing, in particular to point-breaking type notching equipment for garbage bag production.
Background
The disposal bag, the sack of dress rubbish as the name implies, a little sack, but bring convenience not little for every family, especially for environmental protection provides important guarantee, be favorable to rubbish to retrieve the classification even, the disposal bag is mainly made with plastics, need carry out the incision processing to the disposal bag opening part in the disposal bag course of working, nevertheless, has following defect in the current incision processing procedure: 1. the garbage bags with different widths need corresponding notching dies to notch the garbage bags, so that the garbage bags are inconvenient to replace in processing; 2. in the process of cutting, the garbage bag is not tightened to cause the garbage bag to have wrinkles, and the condition that the cut is uneven or overlapped in the processing process occurs.
Disclosure of Invention
In view of the above, the invention provides a point-breaking type notching device for garbage bag production, which can solve the problems that in the existing garbage bag processing, garbage bags with different widths need to be notched by corresponding notching molds, the garbage bags are inconvenient to replace in the processing, and the garbage bags are not tightened in the notching process, so that the garbage bags are wrinkled, and the notches are uneven or overlapped in the processing process.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a point formula of breaking incision equipment for disposal bag production, includes grooving base, two clamp and get tight device and notching device, grooving base front and back both sides of upper end install two clamp and get tight device, notching device is installed to grooving base's left end.
The notching device comprises an undercutting cylinder, a main frame, a notching mechanism, an auxiliary rotating mechanism, an interval adjusting mechanism, a clamping plate and two limiting mechanisms, wherein the undercutting cylinder is arranged on a grooving base, the top end of the undercutting cylinder is provided with the main frame, the rear end of the main frame is provided with an auxiliary sliding groove, the notching mechanism is uniformly arranged in the main frame, the auxiliary rotating mechanism is arranged at the front end of the main frame, the interval adjusting mechanism is arranged at the upper end of the main frame, the two limiting mechanisms are arranged at the front end of the interval adjusting mechanism, the clamping plate is arranged at the right end of the main frame, when the notching device works, the notching mechanism cuts the opening of the garbage bag into dotted line-shaped notches, the interval adjusting mechanism adjusts the interval between the notching mechanisms, the auxiliary rotating mechanism assists the notching mechanism to work, the two limiting mechanisms assist the interval adjusting mechanism to adjust, and the notching device performs notching processing on the opening of the garbage bag and is suitable for garbage bags with different widths.
Notching mechanism include the displacement frame, assist slider, two extrusion gyro wheels, pivot, from driving wheel and incision sword, the rear end of displacement frame is installed and is assisted the slider, assist the slider and link to each other with assisting the spout through sliding fit's mode, install the pivot through the bearing in the displacement frame, install the incision sword in the pivot, the front end of pivot is installed from the driving wheel, both ends are equipped with two dead slots about the displacement frame, install the extrusion gyro wheel through the round pin axle in the dead slot.
Spacing adjustment mechanism include two main spouts, two main sliders, the U frame, the extrusion spout, extrusion equidistance board, link spring and location branch chain, two main spouts are installed at main frame both ends of controlling, link to each other with main slider through sliding fit's mode on the main spout, main slider is installed on the lateral wall of U frame, the extrusion spout is installed to the lower extreme of U frame, evenly be connected with extrusion equidistance board through sliding fit's mode on the extrusion spout, extrusion equidistance board is the triangular structure, and the inclined plane of extrusion equidistance board is hugged closely on the extrusion gyro wheel, even link even spring between the adjacent extrusion equidistance board, the upper end mid-mounting of U frame has the location branch chain.
Preferably, press from both sides and get tight device and include lower plate, punch holder, even slider, extrusion frame, press from both sides and get the cylinder, even board and reset spring, install even slider on the lower plate, even slider links to each other with the grooving base through sliding fit's mode, the extrusion frame is installed to the right-hand member of lower plate, install on the extrusion frame and press from both sides and get the cylinder, press from both sides the top of getting the cylinder and install on the punch holder, the mid-mounting of lower plate has even board, even the board passes through reset spring and links to each other with the middle part of grooving base, the inner of extrusion frame is hugged closely on the inclined plane of screens.
Preferably, the auxiliary rotating mechanism comprises a rack plate, a rotating gear, a connecting wheel and a rack belt, the rack plate is installed on the grooving base, the rotating gear is meshed on the rack plate and is installed at the front end of the connecting wheel, the connecting wheel is installed at the left end of the main frame through a pin shaft, the connecting wheel is connected with the connecting wheel through the rack belt, the connecting wheel is installed at the right end of the main frame through the pin shaft, and the rack belt is meshed with the driven wheel.
Preferably, stop gear include rack, operating gear, even a round, even two rounds, the belt, spacing, link block and spacing gyro wheel, the rack is installed on main frame, the meshing has operating gear on the rack, operating gear installs and is being even a round, even a round installs on U frame through the round pin axle, even a round links to each other through the belt with even two rounds and links to each other, even two rounds install on U frame through the round pin axle, spacing is installed to the lower extreme of belt, link block is installed to spacing upper end, link block passes through sliding fit's mode and links to each other with U frame, the inner of spacing links to each other with spacing gyro wheel through the round pin axle.
Preferably, the location branch include link, screens telescopic link, two screens handles and screens frame, the link is installed at the upper end middle part of U frame, the screens telescopic link is installed to the left and right sides symmetry of link rear end, the top of screens telescopic link is installed on the screens handle, the screens handle is located the screens frame.
Preferably, the left end and the right end of the inner wall of the clamping frame are symmetrically provided with clamping teeth, the clamping handle is clamped between the adjacent clamping teeth, and the clamping frame is installed on the main frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has the advantages that the garbage bag is in a tightening state during processing, the condition that the incision is uneven or overlapped is avoided, the distance between the incision knives can be adjusted, the garbage bag can be suitable for garbage bags with different widths, the incision die does not need to be replaced, and the like;
2. the garbage bag clamping and tightening device is provided with the clamping and tightening devices, and the two clamping and tightening devices clamp the garbage bag, so that the garbage bag is in a tightened state during processing, and the condition that the notch is uneven or overlapped is avoided;
3. the garbage bag slotting machine is provided with the slotting device, the slotting device can adjust the distance between slotting tools, and the garbage bag slotting machine is suitable for garbage bags with different widths without replacing slotting dies.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure between the grooving base and the clamping and tightening device of the present invention;
FIG. 3 is a schematic view of the structure between the grooving base and the notching device of the present invention;
FIG. 4 is a schematic view of a first structure among the main frame, the notching mechanism, the auxiliary rotating mechanism, the spacing adjusting mechanism, and the limiting mechanism of the present invention;
FIG. 5 is a schematic view of a second structure of the present invention between the main frame, the notching mechanism, the auxiliary rotating mechanism, the spacing adjusting mechanism, and the limiting mechanism;
fig. 6 is an enlarged view of the invention in fig. 4 taken along line X.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 6, the point-breaking type notching device for garbage bag production comprises a grooving base 1, two clamping and tightening devices 2 and a notching device 3, wherein the two clamping and tightening devices 2 are installed on the front side and the rear side of the upper end of the grooving base 1, and the notching device 3 is installed on the left end of the grooving base 1.
The notching device 3 comprises a downward cutting air cylinder 31, a main frame 32, a notching mechanism 33, an auxiliary rotating mechanism 34, a spacing adjusting mechanism 35, a clamping plate 36 and two limiting mechanisms 37, wherein the downward cutting air cylinder 31 is arranged on the grooving base 1, the top end of the downward cutting air cylinder 31 is provided with the main frame 32, the rear end of the main frame 32 is provided with an auxiliary sliding chute, the notching mechanism 33 is uniformly arranged in the main frame 32, the front end of the main frame 32 is provided with the auxiliary rotating mechanism 34, the upper end of the main frame 32 is provided with the spacing adjusting mechanism 35, the front end of the spacing adjusting mechanism 35 is provided with the two limiting mechanisms 37, the right end of the main frame 32 is provided with the clamping plate 36, the structural characteristics, the working principle and the control method of the downward cutting air cylinder 31 are the prior art, when the notching mechanism 33 is used for cutting the opening of the garbage bag into dotted line-shaped notches, the spacing adjusting mechanism 35 is used for adjusting the spacing between, two stop gear 37 assist interval adjustment mechanism 35 to adjust, and notching device 3 carries out the incision processing to the disposal bag opening part, is applicable to the disposal bag of different width.
The notching mechanism 33 comprises a displacement frame 331, an auxiliary sliding block 332, two extruding rollers 333, a rotating shaft 334, a driven wheel 335 and a notching knife 336, wherein the auxiliary sliding block 332 is installed at the rear end of the displacement frame 331, the auxiliary sliding block 332 is connected with an auxiliary sliding groove in a sliding fit mode, the rotating shaft 334 is installed in the displacement frame 331 through a bearing, the notching knife 336 is installed on the rotating shaft 334, the driven wheel 335 is installed at the front end of the rotating shaft 334, two empty grooves are formed in the left end and the right end of the displacement frame 331, and the extruding rollers 333 are installed in the empty grooves through pin shafts.
The interval adjusting mechanism 35 comprises two main sliding grooves 351, two main sliding blocks 352, a U-shaped frame 353, an extrusion sliding groove 354, an extrusion equidistant plate 355, a connecting spring 356 and a positioning branched chain 357, the two main sliding grooves 351 are arranged at the left end and the right end of the main frame 32, the main sliding grooves 351 are connected with the main sliding blocks 352 in a sliding fit mode, the main sliding blocks 352 are arranged on the side wall of the U-shaped frame 353, the extrusion sliding grooves 354 are arranged at the lower end of the U-shaped frame 353, the extrusion sliding grooves 354 are evenly connected with the extrusion equidistant plate 355 in a sliding fit mode, the extrusion equidistant plate 355 is of a triangular structure, the inclined planes of the extrusion equidistant plates 355 are tightly attached to the extrusion rollers 333, the adjacent extrusion equidistant plates 355 are connected with the connecting spring 356, and the positioning branched chain 357 is arranged in the.
The auxiliary rotating mechanism 34 comprises a rack plate 341, a rotating gear 342, a first connecting wheel 343, a second connecting wheel 344 and a rack belt 345, wherein the rack plate 341 is installed on the slot-cutting base 1, the rotating gear 342 is meshed with the rack plate 341, the rotating gear 342 is installed at the front end of the first connecting wheel 343, the first connecting wheel 343 is installed at the left end of the main frame 32 through a pin shaft, the first connecting wheel 343 is connected with the second connecting wheel 344 through a rack belt 345, the second connecting wheel 344 is installed at the right end of the main frame 32 through a pin shaft, and the rack belt 345 is meshed with the driven wheel 335.
When the downward cutting cylinder 31 drives the main frame 32 to descend in specific work, the rotating gear 342 rotates under the assistance of the rack plate 341, the rack belt 345 drives the cutting knife 336 to rotate synchronously through the driven wheel 335, and the difficulty of cutting the opening of the garbage bag into a virtual line shape by the cutting knife 336 is reduced.
The limiting mechanism 37 comprises a rack 371, an operating gear 372, a connecting wheel 373, a connecting wheel 374, a belt 375, a limiting frame 376, a connecting sliding block 377 and a limiting roller 378, wherein the rack 371 is installed on the main frame 32, the rack 371 is meshed with the operating gear 372, the operating gear 372 is installed on the connecting wheel 373, the connecting wheel 373 is installed on the U frame 353 through a pin shaft, the connecting wheel 373 is connected with the connecting wheel 374 through the belt 375, the connecting wheel 374 is installed on the U frame 353 through a pin shaft, the limiting frame 376 is installed at the lower end of the belt 375, the connecting sliding block 377 is installed at the upper end of the limiting frame 376, the connecting sliding block 377 is connected with the U frame 353 in a sliding fit mode, and the inner end of the limiting frame 376 is connected with the limiting roller 378 through a pin shaft.
Location branched chain 357 include link 3571, screens telescopic link 3572, two screens handles 3573 and screens frame 3574, link 3571 is installed in the upper end middle part of U frame 353, screens telescopic link 3572 is installed to the left and right sides symmetry of link 3571 rear end, install on screens handle 3573 on the top of screens telescopic link 3572, screens handle 3573 is located in screens frame 3574.
During operation, the disposal bag width of processing as required, thereby personnel adjust the interval between incision sword 336 and be applicable to current disposal bag width, personnel press two screens handles 3573, screens frame 3574 is kept away from to two screens handles 3573, personnel drive link 3571 and go up and down, U frame 353 descends in step, under extrusion equidistance board 355, incision sword 336 equidistant regulation, when U frame 353 descends, rack 371 drives operating gear 372 anticlockwise rotation, belt 375 rotates anticlockwise in step, spacing 376 moves to the outside, because extrude incision sword 336 when extrusion equidistance board 355 descends, incision sword 336 is to the displacement of both sides, spacing 376 hugs closely the extrusion gyro wheel 333 in the outside all the time, two spacing 376 are spacing to extrusion equidistance board 355.
The left end and the right end of the inner wall of the clamping frame 3574 are symmetrically provided with clamping teeth, the clamping handle 3573 is clamped between the adjacent clamping teeth, and the clamping frame 3574 is installed on the main frame 32.
The clamping and tightening device 2 comprises a lower clamp plate 21, an upper clamp plate 22, a connecting slide block 23, an extrusion frame 24, a clamping cylinder 25, a connecting plate 26 and a return spring 27, wherein the connecting slide block 23 is installed on the lower clamp plate 21, the connecting slide block 23 is connected with the grooving base 1 in a sliding fit mode, the extrusion frame 24 is installed at the right end of the lower clamp plate 21, the clamping cylinder 25 is installed on the extrusion frame 24, the top end of the clamping cylinder 25 is installed on the upper clamp plate 22, the connecting plate 26 is installed in the middle of the lower clamp plate 21, the connecting plate 26 is connected with the middle of the grooving base 1 through the return spring 27, the inner end of the extrusion frame 24 is tightly attached to the inclined plane of a clamping plate 36, the structural characteristics, the working principle and the control method of the clamping cylinder 25 are the prior art, in the specific work, the clamping cylinder 25 drives the upper clamp plate 22 to press down to clamp the garbage bag, the clamping plate 36 descends synchronously to press the extrusion frame 24, so that the two clamping and tightening devices 2 move reversely, and thus, two sides of the garbage bag to be processed are in a tightening state.
Adjusting the spacing of the slitting knives 336: according to the width of a garbage bag to be processed, personnel adjust the distance between the slotting cutters 336 so as to be suitable for the width of the current garbage bag, the personnel press the two clamping handles 3573, the two clamping handles 3573 are far away from the clamping frame 3574, the personnel drive the connecting frame 3571 to ascend and descend synchronously, the U frame 353 descends synchronously, the slotting cutters 336 are adjusted at equal intervals under the extrusion of the extrusion equidistant plate 355, the rack 371 drives the operating gear 372 to rotate anticlockwise in the descending process of the U frame 353, the belt 375 rotates anticlockwise synchronously, the limiting frame 376 moves outwards, the slotting cutters 336 are squeezed open when the extrusion equidistant plate 355 descends, the slotting cutters 336 are displaced towards two sides, the limiting frame 376 is always attached to the extrusion roller 333 at the outermost side, the two limiting frames 376 limit the extrusion equidistant plate 355, and the distance adjustment of the slotting cutters 336 is finished;
processing a garbage bag: before processing, press from both sides and get cylinder 25 and drive punch holder 22 and push down and press from both sides the disposal bag and get, later, cut cylinder 31 down and drive main frame 32 and descend, screens board 36 descends extrusion frame 24 in step, thereby it makes the disposal bag both sides that need processing to get the reverse motion of tightening device 2 to make for two clamp, later, rotating gear 342 rotates under rack plate 341's assistance, rack belt 345 drives incision sword 336 synchronous rotation through following driving wheel 335, the incision sword 336 of pivoted state carries out the incision processing to the disposal bag, make the incision be the dotted line form.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a point formula of breaking incision equipment for disposal bag production, gets tight device (2) and notching device (3) including grooving base (1), two clamps, its characterized in that: two clamping and tightening devices (2) are arranged on the front side and the rear side of the upper end of the grooving base (1), and a notching device (3) is arranged at the left end of the grooving base (1);
the notching device (3) comprises an undercutting cylinder (31), a main frame (32), a notching mechanism (33), an auxiliary rotating mechanism (34), a spacing adjusting mechanism (35), a clamping plate (36) and two limiting mechanisms (37), wherein the undercutting cylinder (31) is installed on the grooving base (1), the main frame (32) is installed at the top end of the undercutting cylinder (31), an auxiliary sliding groove is formed in the rear end of the main frame (32), the notching mechanism (33) is uniformly arranged in the main frame (32), the auxiliary rotating mechanism (34) is arranged at the front end of the main frame (32), the spacing adjusting mechanism (35) is installed at the upper end of the main frame (32), the two limiting mechanisms (37) are installed at the front end of the spacing adjusting mechanism (35), and the clamping plate (36) is installed at the right end of the main frame (32);
the notching mechanism (33) comprises a displacement frame (331), an auxiliary sliding block (332), two extrusion rollers (333), a rotating shaft (334), a driven wheel (335) and a notching knife (336), wherein the auxiliary sliding block (332) is installed at the rear end of the displacement frame (331), the auxiliary sliding block (332) is connected with an auxiliary sliding groove in a sliding fit mode, the rotating shaft (334) is installed in the displacement frame (331) through a bearing, the notching knife (336) is installed on the rotating shaft (334), the driven wheel (335) is installed at the front end of the rotating shaft (334), two empty grooves are formed in the left end and the right end of the displacement frame (331), and the extrusion rollers (333) are installed in the empty grooves through pin shafts;
the distance adjusting mechanism (35) comprises two main sliding grooves (351), two main sliding blocks (352), a U-shaped frame (353), extrusion sliding grooves (354), extrusion equidistant plates (355), a connecting spring (356) and a positioning branched chain (357), wherein the two main sliding grooves (351) are arranged at the left end and the right end of the main frame (32), the main sliding grooves (351) are connected with the main sliding blocks (352) in a sliding fit manner, the main sliding blocks (352) are arranged on the side wall of the U-shaped frame (353), the extrusion sliding grooves (354) are arranged at the lower end of the U-shaped frame (353), the extrusion sliding grooves (354) are uniformly connected with the extrusion equidistant plates (355) in a sliding fit manner, and the extrusion equidistant plates (355) are of a triangular structure, the inclined surfaces of the extrusion equidistant plates (355) cling to the extrusion rollers (333), a connecting spring (356) is connected between the adjacent extrusion equidistant plates (355), and a positioning branch chain (357) is installed in the middle of the upper end of the U-shaped frame (353).
2. A point-break slitting apparatus for the production of trash bags as defined in claim 1 wherein: the clamping and tightening device (2) comprises a lower clamping plate (21), an upper clamping plate (22), a connecting sliding block (23), an extrusion frame (24), a clamping cylinder (25), a connecting plate (26) and a reset spring (27), wherein the connecting sliding block (23) is installed on the lower clamping plate (21), the connecting sliding block (23) is connected with the grooving base (1) in a sliding fit mode, the extrusion frame (24) is installed at the right end of the lower clamping plate (21), the clamping cylinder (25) is installed on the extrusion frame (24), the top end of the clamping cylinder (25) is installed on the upper clamping plate (22), the connecting plate (26) is installed in the middle of the lower clamping plate (21), the connecting plate (26) is connected with the middle of the grooving base (1) through the reset spring (27), and the inner end of the extrusion frame (24) is tightly attached to the inclined plane of the clamping plate (36).
3. A point-break slitting apparatus for the production of trash bags as defined in claim 1 wherein: the auxiliary rotating mechanism (34) comprises a rack plate (341), a rotating gear (342), a connecting first wheel (343), a connecting second wheel (344) and a rack belt (345), the rack plate (341) is installed on the grooving base (1), the rotating gear (342) is meshed on the rack plate (341), the rotating gear (342) is installed at the front end of the connecting first wheel (343), the connecting first wheel (343) is installed at the left end of the main frame (32) through a pin shaft, the connecting first wheel (343) is connected with the connecting second wheel (344) through the rack belt (345), the connecting second wheel (344) is installed at the right end of the main frame (32) through a pin shaft, and the rack belt (345) is meshed with the driven wheel (335).
4. A point-break slitting apparatus for the production of trash bags as defined in claim 1 wherein: the limiting mechanism (37) comprises a rack frame (371), an operating gear (372), a one-wheel (373), a two-wheel (374), a belt (375), a limiting frame (376), a connecting slide block (377) and a limiting roller (378), rack (371) are installed on main frame (32), the meshing has operating gear (372) on rack (371), operating gear (372) are installed and are being taken turns (373) even, it installs on U frame (353) through the round pin axle to take turns (373) even, it links to each other with linking two rounds of (374) through belt (375) even to take turns (373), it installs on U frame (353) through the round pin axle even two rounds of (374), spacing frame (376) are installed to the lower extreme of belt (375), link block (377) are installed to the upper end of spacing frame (376), link block (377) link to each other with U frame (353) through sliding fit's mode, the inner of spacing frame (376) links to each other with spacing gyro wheel (378) through the round pin axle.
5. A point-break slitting apparatus for the production of trash bags as defined in claim 1 wherein: location branched chain (357) including link (3571), screens telescopic link (3572), two screens handles (3573) and screens frame (3574), the upper end middle part at U frame (353) is installed in link (3571), screens telescopic link (3572) are installed to the left and right sides symmetry of link (3571) rear end, install on screens handle (3573) on the top of screens telescopic link (3572), screens handle (3573) are located screens frame (3574).
6. A point-and-break slitting apparatus for the production of trash bags as claimed in claim 5, wherein: the left end and the right end of the inner wall of the clamping frame (3574) are symmetrically provided with clamping teeth, the clamping handle (3573) is clamped between the adjacent clamping teeth, and the clamping frame (3574) is installed on the main frame (32).
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| CN201910282513.9A CN109822973B (en) | 2019-04-10 | 2019-04-10 | A point formula of cutting out equipment for disposal bag production |
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| CN201910282513.9A CN109822973B (en) | 2019-04-10 | 2019-04-10 | A point formula of cutting out equipment for disposal bag production |
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| CN109822973B true CN109822973B (en) | 2020-05-12 |
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| CN110815943A (en) * | 2019-11-28 | 2020-02-21 | 湖南买买提环保科技有限公司 | Pressing cutter device for bag making machine |
| CN111924229B (en) * | 2020-08-20 | 2021-10-26 | 方家铺子（莆田）绿色食品有限公司 | Rolling-cutting type variable-diameter tear seam forming equipment for packaging dry goods |
| CN112607155B (en) * | 2020-12-28 | 2022-08-19 | 姚丹丹 | Automatic separating equipment for medical boxed medicines |
| CN113211870B (en) * | 2021-05-18 | 2024-08-27 | 广西彩乐智能包装有限公司 | Intelligent processing equipment and processing technology for paper-based degradable plastic bag |
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