CN108481813B - Plastic woven bag efficient cutting and forming equipment - Google Patents
Plastic woven bag efficient cutting and forming equipment Download PDFInfo
- Publication number
- CN108481813B CN108481813B CN201810523717.2A CN201810523717A CN108481813B CN 108481813 B CN108481813 B CN 108481813B CN 201810523717 A CN201810523717 A CN 201810523717A CN 108481813 B CN108481813 B CN 108481813B
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- Prior art keywords
- blade
- cutter
- mounting groove
- cutter device
- block
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- 238000005520 cutting process Methods 0.000 title claims abstract description 31
- 239000004033 plastic Substances 0.000 title claims abstract description 19
- 229920003023 plastic Polymers 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- 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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
-
- 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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
A high-efficiency cutting and forming device for plastic woven bags comprises a device frame, a cutter device arranged at the upper end of the device frame and a cutter seam device arranged below the cutter device and engaged with the cutter device. The beneficial effects of the invention are as follows: the cutter device is simple in structure and novel in design, high-efficiency cutting of the woven bags can be achieved through continuous rotation and engagement of the cutter device and the cutter seam device, different cutting requirements for cutting different woven bags can be achieved through the liftable structure of each blade in the cutter group, new equipment is not needed to be added, production efficiency of enterprises is effectively improved, production cost of the enterprises is reduced, and effects are obvious.
Description
Technical Field
The invention relates to the technical field of woven bag processing equipment, in particular to efficient cutting and forming equipment for plastic woven bags.
Background
The woven bag is one kind of plastic, the raw materials of the woven bag are various chemical plastic raw materials such as polyethylene, polypropylene and the like, the woven plastic bag takes polypropylene resin as a main raw material, and the production line flow of the woven plastic bag is generally as follows: PP, PE material or reclaimed materials pass through dry mixer, wire drawing machine, rolling machine, circular knitting machine, cut out a bag machine, sack closer, printing machine, PP braided bag, baling press, wherein cut out a bag machine and all cut out the cutting out of braided bag through cutter up-and-down motion at present, machining efficiency is low, and to the valve pocket cut out and to once only cut out and finish, need cut out through other equipment secondary, equipment cost is high, can not satisfy the demand of enterprise to high efficiency production yet.
Disclosure of Invention
The invention aims to solve the technical problem of providing the efficient cutting and forming equipment for the plastic woven bags, which has the advantages of simple structure and excellent performance and can effectively improve the cutting efficiency.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the high-efficiency cutting and forming equipment for the plastic woven bags comprises an equipment frame, a cutter device arranged at the upper end of the equipment frame and a cutter slot device arranged below the cutter device and engaged with the cutter device, and is characterized in that the cutter device is of a cuboid structure, a first rotating shaft which is rotationally connected with the equipment frame is arranged on the cutter device, first mounting grooves are symmetrically arranged on two end faces of the cutter device, which are far away from the first rotating shaft, a cutter group is arranged in the first mounting grooves, the cutter slot device is a transversely-falling cylinder, the middle part of the cylinder fixedly passes through a second rotating shaft which is rotationally connected with the equipment frame, second mounting grooves which are symmetrically arranged on the surfaces of the two protruding cylinders are respectively provided with a cutter slot block, a power box which is matched with the cutter group is arranged on the side wall of the equipment frame and drives the cutter device and the cutter slot device to rotate, the cutter device rotates anticlockwise, and the cutter device rotates clockwise with the cutter slot device and the cutter slot device have the same frequency.
The first mounting groove is internally provided with an electromagnetic heating block for clamping the blade set, a tightening plate is arranged between the electromagnetic heating block and the side wall of the first mounting groove, a plurality of tightening bolts are arranged on the side wall of the first mounting groove to prop against the tightening plate, the middle part of the first mounting groove is provided with a first positioning core block, two sides of the first positioning core block are symmetrically provided with first tightening edge blocks, the first positioning core block is fast fixed at the bottom of the first mounting groove through bolts, the first tight limit piece of supporting pass through the locating plate that sets up at first mounting groove both ends through the tight bolt of supporting and fix, can realize the heat to the braided bag through the heating and tailor, tailor more swiftly and reduce dust pollution, screw in through the tight bolt of supporting and screw out, can be convenient change, adjustment and press from both sides tightly the blade group, effectively avoid the blade group in-process position to change or drop.
The blade group include first blade, second blade, third blade and two fourth blades of perpendicular to first mounting groove lateral wall symmetry setting that are on a parallel with first mounting groove lateral wall, first blade, second blade, third blade, fourth blade realize the height that the blade stretches out through adjusting the tight bolt of supporting, be convenient for to the cutting demand of different kinds of braided bags, especially valve port bag need cut an L type breach to the tip of valve port bag, accessible regulation first blade, second blade, third blade, fourth blade stretch out the height and realize.
The knife seam piece be plastic material, the knife seam piece support tightly fixedly through setting up second location pellet and the second in the second mounting groove and support tight limit piece, second location pellet and second support tight limit piece and pass through the bolt fastening in second mounting groove bottom, the knife seam piece is fixed more firm, and plastic material's knife seam piece can reduce the wearing and tearing to the blade group, reduces the change frequency to the blade group, reduces the cost of enterprises.
The first blade, the second blade, the third blade and the fourth blade are made of fine steel, and the knife edges of the first blade, the second blade, the third blade and the fourth blade are of saw-tooth structures, so that the knife edges are sharper, and incomplete cutting is avoided.
The utility model discloses a braided bag leftover bits that cut out is avoided the braided bag leftover bits to block up the sword seam and is influenced the quality of tailorring, sword seam device below set up a pillar of fixing on equipment rack, pillar upper end set up a doctor-bar, the doctor-bar be the rubber material, be convenient for scrape the braided bag leftover bits that cut out.
The invention is used when in use: the woven bag roll to be cut is continuously conveyed to the middle of the cutter device and the cutter seam device through the conveyor belt, the power box is started, and the cutter device and the cutter seam device are relatively rotated and meshed, so that the woven bag roll can be cut into bags.
The beneficial effects of the invention are as follows: the cutter device is simple in structure and novel in design, high-efficiency cutting of the woven bags can be achieved through continuous rotation and engagement of the cutter device and the cutter seam device, different cutting requirements for cutting different woven bags can be achieved through the lifting structure of each blade in the cutter group, new equipment is not needed to be added, production efficiency of enterprises is effectively improved, production cost of the enterprises is reduced, and effects are obvious.
Drawings
FIG. 1 is a front view of a cutter device of the present invention in a horizontal position;
FIG. 2 is a top view of the cutting device of the present invention in a horizontal position;
fig. 3 is a schematic view of a blade set according to the present invention.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the efficient cutting and forming device for plastic woven bags comprises a device frame 1, a cutter device 2 arranged at the upper end of the device frame 1 and a cutter gap device 3 arranged below the cutter device 2 and meshed with the cutter device 2, wherein the cutter device 2 is of a cuboid structure, a first rotating shaft 201 rotationally connected with the device frame 1 is arranged on the cutter device 2, first mounting grooves 202 are symmetrically arranged at two end surfaces of the cutter device 2 far away from the first rotating shaft 201, a cutter group 203 is arranged in the first mounting grooves 202, the cutter gap device 3 is a horizontal cylinder 301, the middle part of the cylinder 301 fixedly penetrates through a second rotating shaft 302 rotationally connected with the device frame 1, second mounting grooves 303 protruding the surfaces of the cylinder 301 are symmetrically arranged, cutter gap blocks 304 are arranged in the second mounting grooves 303, cutter gaps 305 meshed with the cutter group 203 are arranged on the cutter gap blocks 304, a power box 4 for driving the cutter device 2 and the cutter gap device 3 to rotate is arranged on the side wall of the device frame 1, the cutter device 2 rotates anticlockwise, and the cutter device 3 rotates clockwise, and the cutter device 2 rotates with the cutter gap device 3 and the cutter gap device 3 rotates at the same frequency. After the arrangement, the woven bag roll to be cut is dispersed and continuously conveyed to the middle of the cutter device 2 and the cutter seam device 3 through the conveyor belt, the power box 4 is started, and the cutter device 2 and the cutter seam device 3 are relatively rotated and meshed, so that the woven bag roll can be cut into bags.
The electromagnetic heating block 204 clamping the blade set 203 is arranged in the first mounting groove 202, the abutting plate 205 is arranged between the electromagnetic heating block 204 and the side wall of the first mounting groove 202, the plurality of abutting bolts 206 are arranged on the side wall of the first mounting groove 202 to abut against the abutting plate 205, the first positioning core block 207 is arranged in the middle of the first mounting groove 202, the first abutting edge blocks 208 are symmetrically arranged on two sides of the first positioning core block 207, the first positioning core block 207 is fixed at the bottom of the first mounting groove 202 through bolts, the first abutting edge blocks 208 penetrate through the positioning plates 209 arranged at two ends of the first mounting groove 202 through the abutting bolts 206 to fix, heat cutting of woven bags can be achieved through heating, dust pollution is reduced, the blade set 203 can be conveniently replaced, adjusted and clamped through screwing-in and screwing-out of the abutting bolts 206, and position change or falling-out in the blade set 203 in the using process is effectively avoided.
Example 2
As shown in fig. 1, fig. 2 and fig. 3, the efficient cutting and forming device for plastic woven bags comprises a device frame 1, a cutter device 2 arranged at the upper end of the device frame 1 and a cutter gap device 3 arranged below the cutter device 2 and meshed with the cutter device 2, wherein the cutter device 2 is of a cuboid structure, a first rotating shaft 201 rotationally connected with the device frame 1 is arranged on the cutter device 2, first mounting grooves 202 are symmetrically arranged at two end surfaces of the cutter device 2 far away from the first rotating shaft 201, a cutter group 203 is arranged in the first mounting grooves 202, the cutter gap device 3 is a horizontal cylinder 301, the middle part of the cylinder 301 fixedly penetrates through a second rotating shaft 302 rotationally connected with the device frame 1, second mounting grooves 303 protruding the surfaces of the cylinder 301 are symmetrically arranged, cutter gap blocks 304 are arranged in the second mounting grooves 303, cutter gaps 305 meshed with the cutter group 203 are arranged on the cutter gap blocks 304, a power box 4 for driving the cutter device 2 and the cutter gap device 3 to rotate is arranged on the side wall of the device frame 1, the cutter device 2 rotates anticlockwise, and the cutter device 3 rotates clockwise, and the cutter device 2 rotates with the cutter gap device 3 and the cutter gap device 3 rotates at the same frequency. After the arrangement, the woven bag roll to be cut is dispersed and continuously conveyed to the middle of the cutter device 2 and the cutter seam device 3 through the conveyor belt, the power box 4 is started, and the cutter device 2 and the cutter seam device 3 are relatively rotated and meshed, so that the woven bag roll can be cut into bags.
The electromagnetic heating block 204 clamping the blade set 203 is arranged in the first mounting groove 202, the abutting plate 205 is arranged between the electromagnetic heating block 204 and the side wall of the first mounting groove 202, the plurality of abutting bolts 206 are arranged on the side wall of the first mounting groove 202 to abut against the abutting plate 205, the first positioning core block 207 is arranged in the middle of the first mounting groove 202, the first abutting edge blocks 208 are symmetrically arranged on two sides of the first positioning core block 207, the first positioning core block 207 is fixed at the bottom of the first mounting groove 202 through bolts, the first abutting edge blocks 208 penetrate through the positioning plates 209 arranged at two ends of the first mounting groove 202 through the abutting bolts 206 to fix, heat cutting of woven bags can be achieved through heating, dust pollution is reduced, the blade set 203 can be conveniently replaced, adjusted and clamped through screwing-in and screwing-out of the abutting bolts 206, and position change or falling-out in the blade set 203 in the using process is effectively avoided.
The blade set 203 comprises a first blade 210, a second blade 211, a third blade 212 and two fourth blades 213 which are symmetrically arranged parallel to the side wall of the first mounting groove 202, wherein the first blade 210, the second blade 211, the third blade 212 and the fourth blades 213 are perpendicular to the side wall of the first mounting groove 202, the heights of the blades extending out of the first blade 210, the second blade 211, the third blade 212 and the fourth blades 213 are realized by adjusting the abutting bolts 206, so that the cutting requirements of different types of woven bags are facilitated, and for a common woven bag with a linear cut, the cutting of the woven bag with a linear cut can be realized by lowering the first blade 210, the second blade 211, the third blade 212 and the two fourth blades 213 on one side edge of the first mounting groove 202, and only leaving the blades on the other side of the mounting groove. In particular, an L-shaped notch is needed to be cut at one end of the valve bag, the first blade 210, the second blade 211 and the fourth blade 213 on one side of the first installation groove can be lowered to form an h-shaped working knife, and of course, the other blades can be lowered to form an h-shaped working knife, and the cutting of the L-shaped notch of the valve bag can be realized by adjusting the valve bag according to actual use.
Example 3
As shown in fig. 1, fig. 2 and fig. 3, the efficient cutting and forming device for plastic woven bags comprises a device frame 1, a cutter device 2 arranged at the upper end of the device frame 1 and a cutter gap device 3 arranged below the cutter device 2 and meshed with the cutter device 2, wherein the cutter device 2 is of a cuboid structure, a first rotating shaft 201 rotationally connected with the device frame 1 is arranged on the cutter device 2, first mounting grooves 202 are symmetrically arranged at two end surfaces of the cutter device 2 far away from the first rotating shaft 201, a cutter group 203 is arranged in the first mounting grooves 202, the cutter gap device 3 is a horizontal cylinder 301, the middle part of the cylinder 301 fixedly penetrates through a second rotating shaft 302 rotationally connected with the device frame 1, second mounting grooves 303 protruding the surfaces of the cylinder 301 are symmetrically arranged, cutter gap blocks 304 are arranged in the second mounting grooves 303, cutter gaps 305 meshed with the cutter group 203 are arranged on the cutter gap blocks 304, a power box 4 for driving the cutter device 2 and the cutter gap device 3 to rotate is arranged on the side wall of the device frame 1, the cutter device 2 rotates anticlockwise, and the cutter device 3 rotates clockwise, and the cutter device 2 rotates with the cutter gap device 3 and the cutter gap device 3 rotates at the same frequency. After the arrangement, the woven bag roll to be cut is dispersed and continuously conveyed to the middle of the cutter device 2 and the cutter seam device 3 through the conveyor belt, the power box 4 is started, and the cutter device 2 and the cutter seam device 3 are relatively rotated and meshed, so that the woven bag roll can be cut into bags.
The electromagnetic heating block 204 clamping the blade set 203 is arranged in the first mounting groove 202, the abutting plate 205 is arranged between the electromagnetic heating block 204 and the side wall of the first mounting groove 202, the plurality of abutting bolts 206 are arranged on the side wall of the first mounting groove 202 to abut against the abutting plate 205, the first positioning core block 207 is arranged in the middle of the first mounting groove 202, the first abutting edge blocks 208 are symmetrically arranged on two sides of the first positioning core block 207, the first positioning core block 207 is fixed at the bottom of the first mounting groove 202 through bolts, the first abutting edge blocks 208 penetrate through the positioning plates 209 arranged at two ends of the first mounting groove 202 through the abutting bolts 206 to fix, heat cutting of woven bags can be achieved through heating, dust pollution is reduced, the blade set 203 can be conveniently replaced, adjusted and clamped through screwing-in and screwing-out of the abutting bolts 206, and position change or falling-out in the blade set 203 in the using process is effectively avoided.
The blade set 203 comprises a first blade 210, a second blade 211, a third blade 212 and two fourth blades 213 which are symmetrically arranged parallel to the side wall of the first mounting groove 202, wherein the first blade 210, the second blade 211, the third blade 212 and the fourth blades 213 are perpendicular to the side wall of the first mounting groove 202, the heights of the blades extending out of the first blade 210, the second blade 211, the third blade 212 and the fourth blades 213 are realized by adjusting the abutting bolts 206, so that the cutting requirements of different types of woven bags are facilitated, and for a common woven bag with a linear cut, the cutting of the woven bag with a linear cut can be realized by lowering the first blade 210, the second blade 211, the third blade 212 and the two fourth blades 213 on one side edge of the first mounting groove 202, and only leaving the blades on the other side of the mounting groove. In particular, an L-shaped notch is needed to be cut at one end of the valve bag, the first blade 210, the second blade 211 and the fourth blade 213 on one side of the first installation groove can be lowered to form an h-shaped working knife, and of course, the other blades can be lowered to form an h-shaped working knife, and the cutting of the L-shaped notch of the valve bag can be realized by adjusting the valve bag according to actual use.
The knife gap block 304 is made of plastic, the knife gap block 304 is tightly fixed through the second positioning core block 306 and the second abutting edge block 307 which are arranged in the second mounting groove 303, the second positioning core block 306 and the second abutting edge block 307 are fixed at the bottom of the second mounting groove 303 through bolts, the knife gap block 304 is fixed more firmly, and the abrasion to the knife blade set 203 can be reduced by the knife gap block 304 made of plastic, the replacement frequency to the knife blade set 203 is reduced, and the enterprise cost is reduced.
The first blade 210, the second blade 211, the third blade 212 and the fourth blade 213 are made of refined steel, and the knife edges of the first blade 210, the second blade 211, the third blade 212 and the fourth blade 213 are of saw-tooth structures, so that the knife edges are sharper, and incomplete cutting is avoided.
The pillar 11 of fixing on equipment rack 1 is set up to sword seam device 3 below, pillar 11 upper end set up a doctor-bar 12, doctor-bar 12 be the rubber material, be convenient for scrape the braided bag leftover bits of tailorring out, avoid braided bag leftover bits to block up the sword seam and influence the quality of tailorring.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The high-efficiency cutting and forming device for the plastic woven bags comprises a device frame, a cutter device arranged at the upper end of the device frame and cutter seam devices which are arranged below the cutter device and matched with the cutter device, and is characterized in that the cutter device is of a cuboid structure, a first rotating shaft which is rotationally connected with the device frame is arranged on the cutter device, first mounting grooves are symmetrically arranged on two end faces of the cutter device, which are far away from the first rotating shaft, of the cutter device, a cutter group is arranged in the first mounting grooves, the cutter seam devices are transversely-falling cylinders, the middle part of each cylinder fixedly passes through a second rotating shaft which is rotationally connected with the device frame, two second mounting grooves protruding out of the surfaces of the cylinders are symmetrically arranged on the cylinders, cutter seam blocks are arranged in the second mounting grooves, cutter seams matched with the cutter group are arranged on the cutter seam blocks, a power box which drives the cutter device and the cutter seam devices to rotate is arranged on the side wall of the device frame, the cutter device rotates anticlockwise, the cutter device rotates clockwise, and the cutter seam devices rotate clockwise, and the cutter seam devices have the same rotating frequency;
the electromagnetic heating block clamping the blade set is arranged in the first mounting groove, a tightening plate is arranged between the electromagnetic heating block and the side wall of the first mounting groove, a plurality of tightening bolts are arranged on the side wall of the first mounting groove to prop against the tightening plate, a first positioning core block is arranged in the middle of the first mounting groove, first tightening edge blocks are symmetrically arranged on two sides of the first positioning core block, the first positioning core block is fast fixed at the bottom of the first mounting groove through bolts, and the first tightening edge blocks penetrate through positioning plates arranged at two ends of the first mounting groove through the tightening bolts to be fixed;
the blade set comprises a first blade, a second blade, a third blade and two fourth blades, wherein the first blade, the second blade, the third blade and the fourth blades are symmetrically arranged parallel to the side wall of the first mounting groove, and the two fourth blades are perpendicular to the side wall of the first mounting groove;
the knife gap block is made of plastic, and is tightly supported and fixed through a second positioning core block and a second supporting edge block which are arranged in the second mounting groove, and the second positioning core block and the second supporting edge block are fixed at the bottom of the second mounting groove through bolts;
the first blade, the second blade, the third blade and the fourth blade are made of fine steel, and the knife edges of the first blade, the second blade, the third blade and the fourth blade are of saw-tooth structures; the lower part of the knife gap device is provided with a support fixed on the equipment rack, the upper end of the support is provided with a scraping blade, and the scraping blade is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523717.2A CN108481813B (en) | 2018-05-28 | 2018-05-28 | Plastic woven bag efficient cutting and forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810523717.2A CN108481813B (en) | 2018-05-28 | 2018-05-28 | Plastic woven bag efficient cutting and forming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108481813A CN108481813A (en) | 2018-09-04 |
| CN108481813B true CN108481813B (en) | 2024-02-09 |
Family
ID=63350900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810523717.2A Active CN108481813B (en) | 2018-05-28 | 2018-05-28 | Plastic woven bag efficient cutting and forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108481813B (en) |
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