CN112391869A - Continuous guide type melamine impregnated paper gumming device - Google Patents
Continuous guide type melamine impregnated paper gumming device Download PDFInfo
- Publication number
- CN112391869A CN112391869A CN202011333692.3A CN202011333692A CN112391869A CN 112391869 A CN112391869 A CN 112391869A CN 202011333692 A CN202011333692 A CN 202011333692A CN 112391869 A CN112391869 A CN 112391869A
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- CN
- China
- Prior art keywords
- guide
- cylinder
- supporting
- impregnated paper
- melamine impregnated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/78—Controlling or regulating not limited to any particular process or apparatus
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
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- Paper (AREA)
Abstract
The invention relates to the field of melamine impregnated paper production, in particular to a continuous guide type melamine impregnated paper impregnation device, which comprises a vertically arranged V-shaped support mounting cylinder, wherein four corners of the lower end of the V-shaped support mounting cylinder are obliquely provided with support mounting columns, the lower ends of the support mounting columns are respectively provided with a support cushion block, the bottom of the V-shaped support mounting cylinder is obliquely provided with a liquid discharge pipe rightwards, the inside of the liquid discharge pipe is provided with an electromagnetic valve, the upper end of the V-shaped support mounting cylinder is symmetrically and horizontally provided with support mounting plates, the immersion liquid time is prolonged through a V-shaped guide structure, the consumption of immersion liquid raw materials is reduced, the melamine impregnated paper with different thicknesses is supported through a guide structure adjusted through displacement, the circulating glue feeding raw materials are continuously guided upwards, the uniformity of the impregnated raw materials is improved, and the impregnated raw materials are in active contact with the melamine impregnated paper, and the micro-pressure is generated, the gum dipping quality is improved, and meanwhile, the efficiency of the device is obviously improved by matching with continuous material guiding.
Description
Technical Field
The invention relates to the field of melamine impregnated paper production, in particular to a continuous material guide type melamine impregnated paper impregnation device.
Background
The assembly type full-decoration project preferentially adopts decoration and structure body separation and dry type construction method construction, has the advantages of industrial production, standardized operation and high quality assurance rate, and conforms to the development strategy of national energy conservation and emission reduction and building industrialization. The assembly type decoration is that decoration engineering parts are processed, decoration components are processed and integrated in a factory, building decoration assembly or assembly is carried out, and then the building decoration assembly or assembly is transported to a decoration site for integral assembly and installation. The assembly decoration embodies the thought of modern industry and can promote the whole level of decoration industry to be improved. In the production process of the veneer, melamine impregnated paper is required, and a common melamine impregnated paper processing device is inconvenient to operate and easy to break down, so that inconvenience is brought to smooth production.
Although the currently adopted device can perform impregnation operation, the currently adopted device has obvious defects in the aspect of impregnation structural design, the consumption of impregnation raw materials cannot be reduced, the impregnation quality is not high, and the adaptive continuous material guide operation cannot be performed.
Disclosure of Invention
The invention aims to provide a continuous material guiding type melamine impregnated paper gum dipping device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a continuous guide type melamine impregnated paper impregnation device comprises a vertically arranged V-shaped supporting and mounting cylinder, wherein four corners of the lower end of the V-shaped supporting and mounting cylinder are obliquely provided with supporting and mounting columns, the lower end of each supporting and mounting column is provided with a supporting cushion block, the bottom of the V-shaped supporting and mounting cylinder is obliquely provided with a liquid discharge pipe rightwards, the liquid discharge pipe is internally provided with a solenoid valve, the upper end of the V-shaped supporting and mounting cylinder is symmetrically and horizontally provided with a supporting and mounting plate, a deflection guide cylinder is horizontally arranged right above the supporting and mounting plate, the upper side and the lower side of the interior of the deflection guide cylinder are respectively provided with a plurality of guide wheels at equal intervals through rotating shafts, a V-shaped guide cylinder is horizontally arranged right above the V-shaped supporting and mounting cylinder, the middle position of the lower end of the V-shaped guide cylinder is vertically provided with an active guide cylinder, the upper end of the active guide cylinder is communicated, be provided with the slow-flow chamber between the upper end of reducing draft tube and the porous guide plate, the lower extreme of initiative draft tube is fixed and is supported installation bobbin base portion at the V type, angle such as initiative draft tube section of thick bamboo wall bottom is provided with a plurality of feed liquor holes, all be provided with the filter screen on the initiative draft tube in the feed liquor hole outside, the vertical initiative motor that is provided with of intermediate position of initiative draft tube, the water conservancy diversion erection column that the initiative motor set up through angle such as the outside is fixed in the initiative draft tube, the upper end cooperation reducing draft tube of initiative motor is provided with spiral guide plate through the pivot, the inside corner of V type draft tube all is provided with the support guide pulley through the pivot, the V.
As a further scheme of the invention: the lower end intermediate position of the guide cylinder that shifts all vertically is provided with the transmission post that shifts, and the support mounting panel cooperation transmission post that shifts all vertically runs through and is provided with the transmission hole that shifts, and the bilateral symmetry of the transmission post that shifts is vertical to be provided with the rack that shifts.
As a further scheme of the invention: the inner wall of the deflection transmission hole is matched with the deflection rack and is provided with a deflection gear, and the deflection gear is meshed with the deflection rack.
As a further scheme of the invention: the downside cooperation of guide cylinder that shifts transmission post all symmetry is vertical to be provided with the guide post that shifts, and the guide post that shifts all runs through the support mounting panel downwards, and the guide post that shifts that supports the mounting panel cooperation all is provided with the guiding hole that shifts.
As a further scheme of the invention: the lower half section of the active guide cylinder is internally and vertically provided with a plurality of dislocation guide plates at equal intervals, the dislocation guide plates are horizontally arranged on the inner wall of the active guide cylinder, a plurality of guide holes are formed in the dislocation guide plates in an array mode, and the guide holes in the two adjacent dislocation guide plates are arranged in a dislocation mode.
As a further scheme of the invention: and supporting guide wheels are symmetrically arranged at the joint of the guide mounting cylinder and the V-shaped guide cylinder up and down through a rotating shaft.
As a still further scheme of the invention: the outer end of the guide installation cylinder is provided with rotary scrapers in an up-and-down symmetrical mode, and one ends of the rotary scrapers are installed on the guide installation cylinder through reset rotating shafts.
Compared with the prior art, the invention has the beneficial effects that: through V nature guide structure, promote the time of immersion fluid on the one hand, on the other hand reduces the consumption of immersion fluid raw materials, and guide structure through shifting the regulation does, realizes the support to different thickness melamine impregnated paper, and through the endless raw materials that advance glues constantly upwards the water conservancy diversion, promotes the homogeneity of gumming raw materials for gumming raw materials initiative contact melamine impregnated paper, and produce little pressure, improve the quality of gumming, cooperate continuous guide simultaneously, show hoisting device's efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a continuous material guiding type melamine impregnated paper gumming device.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is an enlarged schematic view of the point b in fig. 1.
Fig. 4 is a schematic perspective view of a deflection guide cylinder in a continuous feeding type melamine impregnated paper impregnating device.
1-supporting cushion block, 2-supporting mounting column, 3-electromagnetic valve, 4-liquid discharge pipe, 5-V type supporting mounting cylinder, 6-supporting mounting plate, 7-V type guide cylinder, 8-deflection guide cylinder, 9-guide wheel, 10-deflection transmission column, 11-deflection rack, 12-deflection transmission hole, 13-deflection gear, 14-deflection guide hole, 15-deflection guide column, 16-supporting guide wheel, 17-reset rotating shaft, 18-rotating scraper, 19-guiding mounting cylinder, 20-liquid inlet hole, 21-filter screen, 22-deflection guide plate, 23-guide hole, 24-guide mounting column, 25-driving motor, 26-spiral guide plate, 27-porous guide plate, 28-slow flow cavity, 29-active guide shell and 30-reducing guide shell.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example one
Referring to fig. 1 to 4, in the embodiment of the present invention, a continuous material guiding type melamine impregnated paper impregnation device includes a vertically disposed V-shaped supporting and mounting cylinder 5, four corners of a lower end of the V-shaped supporting and mounting cylinder 5 are respectively provided with a supporting and mounting column 2 in an inclined manner, a supporting cushion block 1 is disposed at a lower end of the supporting and mounting column 2, a liquid discharge pipe 4 is disposed at a bottom of the V-shaped supporting and mounting cylinder 5 in a rightward inclined manner, an electromagnetic valve 3 is disposed inside the liquid discharge pipe 4, supporting and mounting plates 6 are symmetrically and horizontally disposed at an upper end of the V-shaped supporting and mounting cylinder 5, a position changing material guiding cylinder 8 is horizontally disposed right above the supporting and mounting plate 6, a position changing transmission column 10 is vertically disposed at a middle position of a lower end of the position changing material guiding cylinder 8, a position changing transmission hole 12 is vertically disposed through the supporting and mounting plate 6 in, the inner wall of the deflection transmission hole 12 is matched with a deflection rack 11 and is provided with a deflection gear 13, the deflection gear 13 is engaged with the deflection rack 11, the lower side of the deflection guide cylinder 8 is matched with a deflection transmission column 10 and is symmetrically and vertically provided with a deflection guide column 15, the deflection guide column 15 is downwards penetrated through a support mounting plate 6, the support mounting plate 6 is matched with the deflection guide column 15 and is provided with a deflection guide hole 14, the upper side and the lower side of the interior of the deflection guide cylinder 8 are respectively provided with a plurality of guide wheels 9 at equal intervals through a rotating shaft, a V-shaped guide cylinder 7 is horizontally arranged right above the V-shaped support mounting cylinder 5, the middle position of the lower end of the V-shaped guide cylinder 7 is vertically provided with an active guide cylinder 29, the upper end of the active guide cylinder 29 is communicated with the V-shaped guide cylinder 7 through a porous guide plate 27, the inner side of the upper half section of the active guide cylinder 29 is vertically provided, the lower end of an active guide cylinder 29 is fixed at the bottom of a V-shaped support mounting cylinder 5, a plurality of liquid inlet holes 20 are arranged at equal angles at the bottom of the cylinder wall of the active guide cylinder 29, a filter screen 21 is arranged on the active guide cylinder 29 at the outer side of the liquid inlet holes 20, a plurality of staggered guide plates 22 are vertically arranged at equal intervals in the lower half section of the active guide cylinder 29, the staggered guide plates 22 are horizontally arranged on the inner wall of the active guide cylinder 29, a plurality of guide holes 23 are arranged on the staggered guide plates 22 in an array manner, the guide holes 23 on two adjacent staggered guide plates 22 are arranged in a staggered manner, an active motor 25 is vertically arranged in the middle position of the active guide cylinder 29, the active motor 25 is fixed in the active guide cylinder 29 through guide mounting columns 24 which are arranged at equal angles at the outer side, a spiral guide plate 26 is arranged at the upper end of the active motor 25 in, the V-shaped guide cylinder 7 is symmetrically and horizontally provided with guide mounting cylinders 19 at two ends to be measured, supporting guide wheels 16 are symmetrically arranged at the joints of the guide mounting cylinders 19 and the V-shaped guide cylinder 7 up and down through rotating shafts, rotating scrapers 18 are symmetrically arranged at the outer ends of the guide mounting cylinders 19 up and down, and one ends of the rotating scrapers 18 are mounted on the guide mounting cylinders 19 through reset rotating shafts 17.
The dipping raw materials are led into the V-shaped supporting and mounting cylinder 5, melamine impregnated paper is led into the deflection guide cylinder 8 on one side and rotates along with the guide wheel 9 inside to realize the guide of the melamine impregnated paper, the melamine impregnated paper then passes through the V-shaped guide cylinder 7 to be led out from the other end and then is led out through the deflection guide cylinder on the other side to complete the guide operation, the driving motor 25 is started in the process to enable the spiral guide plate 26 to rotate at a high speed, so that the dipping raw materials are led into the driving guide cylinder 29 from the liquid inlet hole 20 through the filter screen 21 and then sequentially pass through the guide holes 23 on the dislocation guide plates 22, the dipping raw materials are fully mixed in the process due to the dislocation arrangement of the guide holes 23, then the dipping raw materials continuously upwards enter the slow flow cavity 28 through the reducing guide cylinder 30 and then enter the V-shaped guide cylinder 7 through the multi-hole guide plate 27 and overflow from the guide mounting cylinder 19, and repeating the steps to repeatedly perform the dipping operation on the melamine dipped paper, and scraping redundant dipping raw materials on the melamine dipped paper led out and guided to the installation cylinder 19 by the rotary scraper 18 under the action of the reset rotary shaft 17 to finish the dipping operation.
Example two
On the basis of the first embodiment, the deflection transmission column 10 and the deflection guide cylinder 8 are synchronously lifted and lowered by matching the deflection gear 13 with the deflection rack 11, so that the melamine impregnated paper impregnation operation with different thicknesses is adapted, and the stable deflection of the deflection guide cylinder 8 is realized by matching the deflection guide column 15 with the deflection guide hole 14.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A continuous guide type melamine impregnated paper impregnation device comprises a vertically arranged V-shaped supporting and installing cylinder (5), wherein supporting and installing columns (2) are obliquely arranged at four corners of the lower end of the V-shaped supporting and installing cylinder (5), supporting cushion blocks (1) are arranged at the lower end of each supporting and installing column (2), a liquid discharge pipe (4) is obliquely arranged at the bottom of the V-shaped supporting and installing cylinder (5) rightwards, an electromagnetic valve (3) is arranged inside the liquid discharge pipe (4), the continuous guide type melamine impregnated paper impregnation device is characterized in that supporting and installing cylinders (6) are symmetrically and horizontally arranged at the upper end of the V-shaped supporting and installing cylinder (5), a guide displacement cylinder (8) is horizontally arranged right above each supporting and installing cylinder (6), a plurality of guide wheels (9) are arranged on the upper side and the lower side of the inside of each guide displacement cylinder (8) at equal intervals through a rotating shaft, a V-shaped guide cylinder (, an active guide cylinder (29) is vertically arranged in the middle of the lower end of the V-shaped guide cylinder (7), the upper end of the active guide cylinder (29) is communicated with the V-shaped guide cylinder (7) through a porous guide plate (27), a variable-diameter guide cylinder (30) is vertically arranged on the inner side of the upper half section of the active guide cylinder (29), a slow flow cavity (28) is arranged between the upper end of the variable-diameter guide cylinder (30) and the porous guide plate (27), the lower end of the active guide cylinder (29) is fixed at the bottom of the V-shaped supporting and mounting cylinder (5), a plurality of liquid inlet holes (20) are arranged at equal angles at the bottom of the cylinder wall of the active guide cylinder (29), filter screens (21) are arranged on the active guide cylinder (29) outside the liquid inlet holes (20), an active motor (25) is vertically arranged in the middle of the active guide cylinder (29), and the active motor (25) is fixed in the active guide cylinder (, the upper end of the driving motor (25) is matched with the reducing guide cylinder (30) and is provided with a spiral guide plate (26) through a rotating shaft, the inner corners of the V-shaped guide cylinder (7) are provided with supporting guide wheels (16) through the rotating shaft, and two ends to be measured of the V-shaped guide cylinder (7) are symmetrically and horizontally provided with guide installation cylinders (19).
2. The continuous material guiding type melamine impregnated paper dipping device according to claim 1, wherein the shifted transmission columns (10) are vertically arranged at the middle positions of the lower ends of the shifted guide drums (8), the support mounting plate (6) is vertically provided with shifted transmission holes (12) in a penetrating manner in cooperation with the shifted transmission columns (10), and shifted racks (11) are symmetrically and vertically arranged on two sides of each shifted transmission column (10).
3. The continuous material guiding type melamine impregnated paper dipping device according to claim 2, wherein the inner wall of the position changing transmission hole (12) is provided with a position changing gear (13) in cooperation with the position changing rack (11), and the position changing gear (13) is meshed with the position changing rack (11).
4. The continuous material guiding type melamine impregnated paper dipping device according to claim 1 or 2, wherein the lower side of the deflection material guiding cylinder (8) is matched with the deflection transmission column (10) to be symmetrically and vertically provided with deflection guide columns (15), the deflection guide columns (15) downwards penetrate through the supporting and mounting plate (6), and the supporting and mounting plate (6) is matched with the deflection guide columns (15) to be provided with deflection guide holes (14).
5. The device for dipping melamine impregnated paper according to claim 1, wherein a plurality of staggered guide plates (22) are vertically and equally spaced inside the lower half section of the active guide cylinder (29), the staggered guide plates (22) are horizontally mounted on the inner wall of the active guide cylinder (29), a plurality of guide holes (23) are arranged on the staggered guide plates (22) in an array, and the guide holes (23) on two adjacent staggered guide plates (22) are arranged in a staggered manner.
6. The continuous material guiding type melamine impregnated paper impregnation device as claimed in claim 1, wherein the supporting guide wheels (16) are arranged at the connection part of the guide mounting cylinder (19) and the V-shaped guide cylinder (7) in an up-and-down symmetrical manner through a rotating shaft.
7. The continuous material guiding type melamine impregnated paper dipping device according to claim 6, wherein the outer ends of the guide mounting cylinders (19) are respectively provided with a rotating scraper (18) in an up-down symmetrical manner, and one end of each rotating scraper (18) is mounted on the guide mounting cylinder (19) through a reset rotating shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333692.3A CN112391869B (en) | 2020-11-25 | 2020-11-25 | Continuous material guide type melamine impregnated paper gumming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333692.3A CN112391869B (en) | 2020-11-25 | 2020-11-25 | Continuous material guide type melamine impregnated paper gumming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112391869A true CN112391869A (en) | 2021-02-23 |
| CN112391869B CN112391869B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011333692.3A Active CN112391869B (en) | 2020-11-25 | 2020-11-25 | Continuous material guide type melamine impregnated paper gumming device |
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| Country | Link |
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| CN (1) | CN112391869B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212611A1 (en) * | 1992-04-15 | 1993-10-21 | Voith Gmbh J M | Device for coating running webs of paper or cardboard |
| CN1304803A (en) * | 2000-10-13 | 2001-07-25 | 董运达 | Gumming machine |
| CN203485452U (en) * | 2013-08-08 | 2014-03-19 | 泰山体育产业集团有限公司 | Continuous fiber glue-dipping system |
| CN209701067U (en) * | 2018-10-16 | 2019-11-29 | 深圳市德兴诚印刷设备有限公司 | A kind of full-automatic patch double-sided adhesive machine |
| CN111389635A (en) * | 2020-03-25 | 2020-07-10 | 上安实业江苏有限公司 | Spraying production platform for radiation-proof waterproof waterstop |
| CN111715472A (en) * | 2019-03-18 | 2020-09-29 | 合肥精显电子科技有限公司 | LCD adhesive deposite device |
-
2020
- 2020-11-25 CN CN202011333692.3A patent/CN112391869B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212611A1 (en) * | 1992-04-15 | 1993-10-21 | Voith Gmbh J M | Device for coating running webs of paper or cardboard |
| CN1304803A (en) * | 2000-10-13 | 2001-07-25 | 董运达 | Gumming machine |
| CN203485452U (en) * | 2013-08-08 | 2014-03-19 | 泰山体育产业集团有限公司 | Continuous fiber glue-dipping system |
| CN209701067U (en) * | 2018-10-16 | 2019-11-29 | 深圳市德兴诚印刷设备有限公司 | A kind of full-automatic patch double-sided adhesive machine |
| CN111715472A (en) * | 2019-03-18 | 2020-09-29 | 合肥精显电子科技有限公司 | LCD adhesive deposite device |
| CN111389635A (en) * | 2020-03-25 | 2020-07-10 | 上安实业江苏有限公司 | Spraying production platform for radiation-proof waterproof waterstop |
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| Publication number | Publication date |
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| CN112391869B (en) | 2022-11-01 |
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Address after: 277400 west side of the intersection of guangdaolu and Taizhong Road, development zone, Taierzhuang District, Zaozhuang City, Shandong Province Patentee after: Zaozhuang Jialaibao New Material Technology Co.,Ltd. Address before: 277400 west side of the intersection of guangdaolu and Taizhong Road, development zone, Taierzhuang District, Zaozhuang City, Shandong Province Patentee before: Zaozhuang jialaibao New Material Technology Co.,Ltd. |
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