CN111438719A - Plastic packaging film cutting device convenient for collecting waste materials - Google Patents
Plastic packaging film cutting device convenient for collecting waste materials Download PDFInfo
- Publication number
- CN111438719A CN111438719A CN202010266046.3A CN202010266046A CN111438719A CN 111438719 A CN111438719 A CN 111438719A CN 202010266046 A CN202010266046 A CN 202010266046A CN 111438719 A CN111438719 A CN 111438719A
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- Prior art keywords
- rod
- waste materials
- winding roller
- cutting device
- device convenient
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/02—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
- B26D1/03—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
- B26D1/035—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1818—Means for removing cut-out material or waste by pushing out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
Abstract
The invention discloses a plastic packaging film cutting device convenient for collecting waste materials, which comprises a base, wherein stand columns are symmetrically arranged on the upper surface of the base, and an unwinding roller and a winding roller are respectively arranged between the stand columns; the unwinding roller and the winding roller are both connected with an upright post through bearings, sliding grooves are symmetrically formed in the surface of the winding roller, a separating piece in sliding connection with the sliding grooves is arranged on the surface of the winding roller, a moving rod is arranged inside the winding roller, an extrusion rod is arranged on the moving rod, the moving rod is hinged to the extrusion rod through a rotating shaft, a torsion spring is sleeved on the surface of the rotating shaft, a groove which is abutted against the extrusion rod is formed in the separating piece, and an electric push rod is arranged at the position, corresponding to the moving rod, of the upright post; the plastic film cutting machine can automatically roll the cut waste materials while cutting the plastic film, so that the waste materials are prevented from being scattered on the ground at will, and the cleaning and recycling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of film production equipment, in particular to a plastic package film cutting device convenient for collecting waste materials.
Background
The plastic packaging film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packaging and is used as a film coating layer, the plastic packaging and plastic packaging products account for more and more in the market, particularly, the composite plastic flexible packaging is widely applied to the fields of food, medicine, chemical industry and the like, wherein the food packaging accounts for the largest proportion, such as beverage packaging, quick-frozen food packaging, steamed and cooked food packaging, fast food packaging and the like, and the products bring great convenience to the life of people.
At present, the bobbin film has the collision phenomenon at the transportation, probably to the both ends of bobbin film, leads to the unevenness of film both sides, need tailor, guarantees the level and smooth of film both sides, but the waste material of tailorring can scatter on ground, and operating personnel is difficult for clearing up, influences work efficiency.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a plastic packaging film cutting device convenient for collecting waste materials, and the technical problems to be solved by the present invention are: how to collect the produced fertilizer while cutting the film.
In order to achieve the purpose, the invention provides the following technical scheme: a plastic packaging film cutting device convenient for collecting waste materials comprises a base, wherein stand columns are symmetrically arranged on the upper surface of the base, and an unwinding roller and a winding roller are respectively arranged between the stand columns;
the unwinding roller and the winding roller are both connected with an upright post through bearings, sliding grooves are symmetrically formed in the surface of the winding roller, a separating piece in sliding connection with the sliding grooves is arranged on the surface of the winding roller, a moving rod is arranged inside the winding roller, an extrusion rod is arranged on the moving rod, the moving rod is hinged to the extrusion rod through a rotating shaft, a torsion spring is sleeved on the surface of the rotating shaft, a groove which is abutted against the extrusion rod is formed in the separating piece, an electric push rod is arranged at the position, corresponding to the moving rod, of the upright post, and an output shaft of the electric push rod is fixedly connected with the moving rod;
the utility model discloses a cutting tool, including stand, slide seat, screw rod, first slider and second slider, stand upper surface is fixed and is provided with the slide holder, the slide holder surface is provided with the scale, the inside symmetry of slide holder is provided with first slider and second slider, the inside screw rod that is provided with of slide holder, just the screw rod runs through first slider and second slider, fixed surface is connected with the cutter on first slider and the second slider.
In a preferred embodiment, the first sliding block is in threaded connection with the screw rod through an internal positive thread groove, the second sliding block is in threaded connection with the screw rod through an internal reverse thread groove, and the distance between the first sliding block and the second sliding block can be synchronously adjusted when the screw rod rotates, so that the use is convenient.
In a preferred embodiment, magnetic coatings are coated on two sides of each separating piece, adjacent separating pieces are fixed through the magnetic coatings in an adsorption mode, so that the separating pieces cannot be separated from each other in work, normal rolling work is guaranteed, and the magnetic coatings are formed by mixing magnetic particles and adhesives.
In a preferred embodiment, the middle of the upright column is symmetrically provided with pressing wheels, the middle of the pressing wheels is provided with a tensioning wheel, the tensioning wheel is connected with the upright column in a sliding manner, and a spring is arranged between the tensioning wheel and the upright column, so that the plastic film is always kept in a tensioned state, and the subsequent winding operation is facilitated.
In a preferred embodiment, a film is disposed between the unwinding roll and the winding roll.
In a preferred embodiment, a gear is fixedly arranged outside the winding roller, a motor is arranged on the upright post, and the output shaft of the motor is meshed with the gear through a connecting tooth.
In a preferred embodiment, the separating piece is provided in a plurality of numbers, so that the separating piece can automatically adapt to plastic films with different widths, and the practicability is high.
In a preferred embodiment, a handle fixedly connected with the screw rod is arranged on the outer side of the sliding seat, so that the sliding seat is convenient for an operator to use.
The invention has the technical effects and advantages that:
1. the cutting device is provided with the screw rod, the graduated scale and the separating piece, the distance between the first sliding block and the second sliding block can be synchronously adjusted when the screw rod rotates, the cutters are fixed on the first sliding block and the second sliding block, the cutting width of the cutters is adjusted, the use is convenient, the distance between the cutters can be accurately controlled through the graduated scale on the sliding block seat, the accuracy after the film is cut is higher, the extruding rod can push away the separating piece wrapped by the waste materials under the action of the torsion spring, the automatic separation of the waste materials is realized, the subsequent personnel can conveniently recycle the waste materials, the separating piece can automatically adapt to plastic films with different widths, the practicability is high, compared with the prior art, the cutting device can automatically roll the cut waste materials while cutting the plastic films, the waste materials are prevented from being scattered on the ground, and the cleaning and recycling efficiency is improved;
2. the invention has the advantages that the sliding grooves are arranged, so that the separating pieces are more stable when moving, the adjacent separating pieces are adsorbed and fixed through the magnetic coating, so that the separating pieces cannot be separated from each other when in operation, the normal rolling operation is ensured, the tension wheel can extrude the plastic film through the spring, and the plastic film is always kept in a tight state, thereby facilitating the subsequent rolling operation.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
FIG. 2 is a structural cross-sectional view of a wind-up roll and a separator of the present invention.
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention.
FIG. 4 is a schematic view of the working structure of the separator and the wind-up roll of the present invention.
FIG. 5 is a top view of the sliding seat structure of the present invention.
FIG. 6 is a perspective view of the wind-up roll and chute structure of the present invention.
The reference signs are: the device comprises a base 1, a column 2, an unwinding roller 3, a winding roller 4, a sliding chute 5, a separating piece 6, a moving rod 7, an extrusion rod 8, a rotating shaft 9, a torsion spring 10, a groove 11, an electric push rod 12, a sliding seat 13, a first sliding block 14, a second sliding block 15, a screw rod 16, a cutter 17, a magnetic coating 18, a pressing wheel 19, a tensioning wheel 20, a spring 21, a film 22, a gear 23, a grab handle 24 and a graduated scale 66.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a plastic packaging film cutting device convenient for collecting waste materials, which comprises a base 1, wherein stand columns 2 are symmetrically arranged on the upper surface of the base 1, and an unwinding roller 3 and a winding roller 4 are respectively arranged between the stand columns 2;
the unwinding roller 3 and the winding roller 4 are both connected with the upright post 2 through bearings, sliding grooves 5 are symmetrically formed in the surface of the winding roller 4, a separating piece 6 connected with the sliding grooves 5 in a sliding mode is arranged on the surface of the winding roller 4, a moving rod 7 is arranged inside the winding roller 4, an extrusion rod 8 is arranged on the moving rod 7, the moving rod 7 is hinged to the extrusion rod 8 through a rotating shaft 9, a torsion spring 10 is sleeved on the surface of the rotating shaft 9, a groove 11 abutting against the extrusion rod 8 is formed in the separating piece 6, an electric push rod 12 is arranged at the position, corresponding to the moving rod 7, of the upright post 2, and an output shaft of the electric push rod 12 is fixedly connected with the moving rod 7;
the fixed surface of stand 2 is provided with sliding seat 13, sliding seat 13 surface is provided with scale 66, the inside symmetry of sliding seat 13 is provided with first slider 14 and second slider 15, the inside screw rod 16 that is provided with of sliding seat 13, just screw rod 16 runs through first slider 14 and second slider 15, fixed surface is connected with cutter 17 on first slider 14 and the second slider 15.
As shown in fig. 1 to 6, the embodiment specifically is: when in use, the wind-up roll 4 is fixed on the upright post 2 through a bearing, the motor can drive the wind-up roll 4 to rotate through the gear 23 fixed on the wind-up roll 4, so as to complete the cutting and winding operation of the film 22, an operator can drive the screw 16 to rotate through the grab handle 24, because the first slide block 14 is connected with the screw 16 through the internal positive screw groove, the second slide block 15 is connected with the screw 16 through the internal negative screw groove, the distance between the first slide block 14 and the second slide block 15 can be synchronously adjusted when the screw 16 rotates, the cutter 17 is fixed on the first slide block 14 and the second slide block 15, so as to adjust the cutting width of the cutter 17, the use is convenient, the distance between the cutters 17 can be accurately controlled through the graduated scale 66 on the slide block seat, the accuracy after the cutting of the film 22 is higher, the cut film 22 can be wound on the separating piece 6 on the surface of the wind-up roll 4, after the, the electric push rod 12 can be started, the output shaft of the electric push rod 12 can drive the movable rod 7 to contract outwards, the movable rod 7 is hinged with the extrusion rod 8 through the rotating shaft 9, the torsion spring 10 is sleeved on the extrusion rod 8, the extrusion rod 8 can be abutted against the groove 11 on the separating piece 6 under the torsion action of the torsion spring 10, the separating piece 6 is extruded outwards through the groove 11, the film 22 divided into three parts can be respectively wound on the separating piece 6 after being cut, the film 22 wound on the separating piece 6 can wrap the separating piece 6 to be connected into a whole, when the extrusion rod 8 meets the separating piece 6 connected into a whole, the extrusion rod 8 can rotate by taking the rotating shaft 9 as the center to be separated from the separating piece, when meeting waste materials cut from the edge of the film 22, the extrusion rod 8 can push away the separating piece 6 wrapped by the waste materials under the action of the torsion spring 10, realize the autosegregation of waste material, the follow-up personnel of being convenient for are retrieved and are recycled, and separator 6 can adapt to the plastic film of different width automatically, and the practicality is high.
As shown in fig. 1 to 6, the embodiment specifically is: the chute 5 plays a role in positioning and sliding the separating pieces 6, so that the separating pieces 6 are more stable when moving, the adjacent separating pieces 6 are adsorbed and fixed through the magnetic coating 18, so that the separating pieces can not be separated from each other during working, normal rolling work is guaranteed, the plastic film can be extruded by the tensioning wheel 20 through the spring 21, and the plastic film is always kept in a tight state, and subsequent rolling work is facilitated.
The working principle of the invention is as follows:
referring to the attached drawings 1-6 of the specification, the screw 16 can synchronously adjust the distance between the first slider 14 and the second slider 15 when rotating, the first slider 14 and the second slider 15 are fixed with the cutter 17, and then the cutting width of the cutter 17 is adjusted, the use is convenient, the distance between the cutters 17 can be accurately controlled through the graduated scale 66 on the slider seat, when the extrusion rod 8 meets the separating piece 6 which is connected into a whole, the extrusion rod 8 can rotate by taking the rotating shaft 9 as the center so as to be separated from the separating piece, and when the waste cut from the edge of the film 22 is met, the extrusion rod 8 can push away the separating piece 6 wrapped by the waste under the action of the torsion spring 10, so that the automatic separation of the waste is realized;
referring to the attached drawings 1-6 in the specification, the sliding grooves 5 play a role in positioning and sliding the separating pieces 6, so that the separating pieces 6 are more stable when moving, adjacent separating pieces 6 are adsorbed and fixed through the magnetic coating 18 and cannot be separated from each other when working, and the tension wheel 20 presses the plastic film through the spring 21, so that the plastic film is always kept in a tight state.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a plastic envelope membrane cutting device convenient to collect waste material, includes base (1), its characterized in that: upright columns (2) are symmetrically arranged on the upper surface of the base (1), and an unwinding roller (3) and a winding roller (4) are respectively arranged between the upright columns (2);
the unwinding roller (3) and the winding roller (4) are connected with an upright post (2) through bearings, sliding grooves (5) are symmetrically formed in the surface of the winding roller (4), separating pieces (6) in sliding connection with the sliding grooves (5) are arranged on the surface of the winding roller (4), a moving rod (7) is arranged inside the winding roller (4), an extrusion rod (8) is arranged on the moving rod (7), the moving rod (7) is hinged to the extrusion rod (8) through a rotating shaft (9), a torsion spring (10) is sleeved on the surface of the rotating shaft (9), a groove (11) abutting against the extrusion rod (8) is formed in the separating piece (6), an electric push rod (12) is arranged at a position, corresponding to the moving rod (7), of the upright post (2), and an output shaft of the electric push rod (12) is fixedly connected with the moving rod (7);
the utility model discloses a vertical column, including stand (2), sliding seat (13), scale (66) are provided with on sliding seat (13) surface to fixed being provided with sliding seat (13), sliding seat (13) inside symmetry is provided with first slider (14) and second slider (15), sliding seat (13) inside is provided with screw rod (16), just screw rod (16) run through first slider (14) and second slider (15), fixed surface is connected with cutter (17) on first slider (14) and second slider (15).
2. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: the first sliding block (14) is in threaded connection with the screw rod (16) through an internal positive thread groove, and the second sliding block (15) is in threaded connection with the screw rod (16) through an internal reverse thread groove.
3. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: both sides of the separating piece (6) are coated with magnetic coatings (18), and the magnetic coatings (18) are formed by mixing magnetic particles and adhesives.
4. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: pressing wheels (19) are symmetrically arranged in the middle of the upright column (2), tensioning wheels (20) are arranged in the middle of the pressing wheels (19), the tensioning wheels (20) are in sliding connection with the upright column (2), and springs (21) are arranged between the tensioning wheels (20) and the upright column (2).
5. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: and a film (22) is arranged between the unwinding roller (3) and the winding roller (4).
6. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: the winding roller (4) is fixedly provided with a gear (23) on the outer side, the stand column (2) is provided with a motor, and the motor output shaft is meshed with the gear (23) through a connecting tooth.
7. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: the separating pieces (6) are arranged in a plurality of numbers.
8. The plastic packaging film cutting device convenient for collecting waste materials according to claim 1, characterized in that: a grab handle (24) fixedly connected with the screw rod (16) is arranged on the outer side of the sliding seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266046.3A CN111438719B (en) | 2020-04-07 | 2020-04-07 | Plastic packaging film cutting device convenient for collecting waste materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266046.3A CN111438719B (en) | 2020-04-07 | 2020-04-07 | Plastic packaging film cutting device convenient for collecting waste materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111438719A true CN111438719A (en) | 2020-07-24 |
| CN111438719B CN111438719B (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010266046.3A Active CN111438719B (en) | 2020-04-07 | 2020-04-07 | Plastic packaging film cutting device convenient for collecting waste materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN111438719B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547235A (en) * | 2021-09-18 | 2021-10-26 | 南通海林汽车橡塑制品有限公司 | Automatic cutting equipment for processing rubber and plastic products |
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| JPS62185679A (en) * | 1986-02-06 | 1987-08-14 | Fujikoo:Kk | Sealing of synthetic resin film |
| CN202038757U (en) * | 2011-03-29 | 2011-11-16 | 比亚迪股份有限公司 | Sheeting equipment |
| CN203497803U (en) * | 2013-07-05 | 2014-03-26 | 长沙建益新材料有限公司 | Composite film edge cutting traction device |
| CN204471464U (en) * | 2015-03-17 | 2015-07-15 | 浙江旭东包装有限公司 | The film trimming of processing film equipment receives waste material device |
| CN206013994U (en) * | 2016-07-08 | 2017-03-15 | 云阳金田塑业有限公司 | It is simultaneously used for the winding rim charge equipment of cutting machine |
| CN107214749A (en) * | 2017-07-11 | 2017-09-29 | 佛山市正略信息科技有限公司 | One kind protection film production line wound membrane cutting machine |
| CN108145757A (en) * | 2017-12-20 | 2018-06-12 | 常德金德新材料科技股份有限公司 | Sheet edge cutting device |
| CN207548894U (en) * | 2017-11-24 | 2018-06-29 | 东莞市凯进机械电子有限公司 | A kind of receipts rim charge component of lithium electric separator cutting machine |
| CN207632240U (en) * | 2017-11-08 | 2018-07-20 | 深圳市煌铭旺和五金有限公司 | A kind of slitting system and its Waste edge collecting device |
| CN210150441U (en) * | 2019-04-04 | 2020-03-17 | 安徽猛牛彩印包装有限公司 | Plastic film side cut material coiling mechanism |
-
2020
- 2020-04-07 CN CN202010266046.3A patent/CN111438719B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185679A (en) * | 1986-02-06 | 1987-08-14 | Fujikoo:Kk | Sealing of synthetic resin film |
| CN202038757U (en) * | 2011-03-29 | 2011-11-16 | 比亚迪股份有限公司 | Sheeting equipment |
| CN203497803U (en) * | 2013-07-05 | 2014-03-26 | 长沙建益新材料有限公司 | Composite film edge cutting traction device |
| CN204471464U (en) * | 2015-03-17 | 2015-07-15 | 浙江旭东包装有限公司 | The film trimming of processing film equipment receives waste material device |
| CN206013994U (en) * | 2016-07-08 | 2017-03-15 | 云阳金田塑业有限公司 | It is simultaneously used for the winding rim charge equipment of cutting machine |
| CN107214749A (en) * | 2017-07-11 | 2017-09-29 | 佛山市正略信息科技有限公司 | One kind protection film production line wound membrane cutting machine |
| CN207632240U (en) * | 2017-11-08 | 2018-07-20 | 深圳市煌铭旺和五金有限公司 | A kind of slitting system and its Waste edge collecting device |
| CN207548894U (en) * | 2017-11-24 | 2018-06-29 | 东莞市凯进机械电子有限公司 | A kind of receipts rim charge component of lithium electric separator cutting machine |
| CN108145757A (en) * | 2017-12-20 | 2018-06-12 | 常德金德新材料科技股份有限公司 | Sheet edge cutting device |
| CN210150441U (en) * | 2019-04-04 | 2020-03-17 | 安徽猛牛彩印包装有限公司 | Plastic film side cut material coiling mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547235A (en) * | 2021-09-18 | 2021-10-26 | 南通海林汽车橡塑制品有限公司 | Automatic cutting equipment for processing rubber and plastic products |
| CN113547235B (en) * | 2021-09-18 | 2021-11-23 | 南通海林汽车橡塑制品有限公司 | Automatic cutting equipment for processing rubber and plastic products |
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| CN111438719B (en) | 2021-05-11 |
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Effective date of registration: 20210420 Address after: 167 Daduhe Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGYING XINBANG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Room 202, building 5, Linze family, Xinzhuang street, Yixing City, Wuxi City, Jiangsu Province Applicant before: Lu Caijun |
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