CN105291444A - Continuous production method and apparatus for plastic cellular boards based on plastic-absorption and rolling collaboration - Google Patents

Continuous production method and apparatus for plastic cellular boards based on plastic-absorption and rolling collaboration Download PDF

Info

Publication number
CN105291444A
CN105291444A CN201510824487.XA CN201510824487A CN105291444A CN 105291444 A CN105291444 A CN 105291444A CN 201510824487 A CN201510824487 A CN 201510824487A CN 105291444 A CN105291444 A CN 105291444A
Authority
CN
China
Prior art keywords
plastic
honeycomb
die head
roller
vacuum
Prior art date
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.)
Granted
Application number
CN201510824487.XA
Other languages
Chinese (zh)
Other versions
CN105291444B (en
Inventor
瞿金平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan modern Seiko machinery limited company
Original Assignee
South China University of Technology SCUT
Guangzhou Huaxinke Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT, Guangzhou Huaxinke Industrial Co Ltd filed Critical South China University of Technology SCUT
Priority to CN201510824487.XA priority Critical patent/CN105291444B/en
Publication of CN105291444A publication Critical patent/CN105291444A/en
Application granted granted Critical
Publication of CN105291444B publication Critical patent/CN105291444B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Laminated Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

The invention discloses a continuous production method and apparatus for plastic cellular boards based on plastic-absorption and rolling collaboration. The method comprises the following steps: firstly, forming a vacuum parison by use of a die head; secondly, forming a cellular structure on one side and performing hot-pressing fusion with a bottom layer of the cellular structure on the other side by means of coordination of a vacuum forming roller with a cellular structure and a smooth forming roller; and finally, performing hot air heating and secondary setting. The apparatus comprises the die head, a shunting knife, an air cushion plug, the vacuum forming roller, the smooth forming roller, a hot air knife and a secondary setting roll set; the vacuum forming roller and the smooth forming roller are arranged side by side to form a primary forming roll group; the shunting knife is arranged within the die head; flow channels are arranged on the two sides of the shunting knife, respectively; the air cushion plug is arranged under the shunting knife and located inside an extruded parison; the die head, the primary forming roll set, the hot air knife and the secondary setting roll set are arranged in sequence in a conveying direction of materials. The continuous production method and apparatus for plastic cellular boards based on plastic-absorption and rolling collaboration are capable of quickly forming the plastic cellular boards once and effectively overcoming a defect of insufficient bearing capacity of existing plastic cellular boards.

Description

Based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion and equipment
Technical field
The present invention relates to polymer material molding processing technique field, particularly one is based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion and equipment.
Background technology
Plastic plate take plastics as the sheet material that raw material is made, be applicable to building, chemical industry in a large number, for having wear-resisting, vibration resistance when chemical industry, environmental protection, building panel, corrosion-resistant, recyclable, intensity is large, anti-aging, waterproof, protection against the tide, not yielding, the feature such as to reuse, and the duroplasts supporting plate under replacing, can also processing be reclaimed, greatly reduce costs.Plastic plate is by two substantially parallel surface plate and is arranged in the structure that core therebetween formed, and usual core is also board-like material, but is different from the arranged in form in surface plate direction with direction.The plastic plate of current employing extrusion mainly comprises solid slab, foaming plate, vacuum grate, cellular sandwich composite plate.Wherein, cellular sandwich composite plate is raw material with plastics, and the honeycomb structure copying honeybee to build is made, and namely core is wherein cellular folding.Honeycomb plate structure can provide a kind of like this light weight, structure that intensity is high, can better resist bending, can be used as the main preferably substitute of wood materials, EPS foamed plastic etc. like this, gradually reduce the white pollution that eps foam causes than the plate structure of homogeneous; In addition, cellular sandwich effectively can alleviate the weight of sheet material, cost-saving, improves the effective rate of utilization of resource.In view of the plurality of advantages that it has, will become one of preferred material of 21 century every profession and trade, market potential is huge.But, the production method of traditional plastic honeycomb core composite board utilizes multiple stage extruder shaping panel and comb core respectively, finally by methods such as heat fuseds, panel is bonding with honeycomb core, form honeycomb composite plate, wherein topmost problem is to be difficult to honeycomb core and matrix and panel to be fixed; In addition, the method has that production efficiency is not high, the combination property of sheet material does not reach the defects such as requirement, limits the use of composite panel of plastic material.Therefore design the method for the reliable plastic honeycomb board of continuous seepage performance, expand the application of cellular board, for economizing on resources, protection of the environment has meaning of crucial importance.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, the method can one-shot forming plastic honeycomb board fast, and shaping plastic honeycomb board effectively can overcome the defect of existing plastic honeycomb board bearing capacity deficiency.
Another object of the present invention is to provide a kind of for realize said method based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion.
Technical scheme of the present invention is: a kind of based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, utilizes the vacuum parison that the first shaping cross sectional shape of die head is rectangle; Then utilize and there is the vacuum forming roller of honeycomb and the cooperation of smooth shaping roller, the one side that vacuum parison and vacuum forming roller socket joint touch is formed honeycomb by vacuum forming, fuses after the one side that vacuum parison contacts with smooth shaping roller is squeezed with the bottom hot pressing of honeycomb; Again after Hot-blast Heating, carry out secondary sizing, form continuous print cellular-core composite plate.
Wherein, described honeycomb is the version in vacuum six array of prisms.
During described secondary sizing, adopt ganoid setting roll group to carry out secondary sizing, under utilizing the roll extrusion of setting roll group and the synergy of honeycomb inner equilibrium air pressure, honeycomb dilates outward, piles up laminating each other, final formation cellular-core composite plate.
The present invention is a kind of based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, comprise die head, shunting cutter, air cushion plug, the vacuum forming roller with honeycomb, smooth shaping roller, hot blast cutter and secondary setting roll group, wherein, vacuum forming roller and smooth shaping roller are arranged side by side and form one-shot forming roller group, shunting cutter is located in die head, shunting cutter both sides be respectively runner, air cushion plug be located at shunting cutter below and be positioned at extruded parisons inside; According to the throughput direction of material, die head, one-shot forming roller group, hot blast cutter and secondary setting roll group set gradually.
Also be provided with air flue in described die head, air flue is communicated with the pore in air cushion plug.Equilibrium air pressure in air cushion plug makes polymer melt be positioned at air cushion to enclose and adhesion beyond the Great Wall, ensures to extrude the formation that cross section is rectangular vacuum parison.
Described die head is connected with extruder by die head spacer shell.
The slack adjuster for regulating width of flow path is provided with outside described die head.By the slack adjuster adjustment shunting position of cutter in die head, thus regulate the width of its two side runner.Slack adjuster can adopt adjustment screw, and install adjustment screw being positioned on the mould side wall outside shunting cutter two respectively, the length stretching into die head by adjustment adjustment screw controls the position of shunting cutter.
Also be provided with cooling roller below described vacuum forming roller, vacuum forming roller, smooth shaping roller and cooling roller are triangularly arranged.Wherein, the surface of vacuum forming roller, with honeycomb, makes the one side correspondence of vacuum parison form honeycomb by plastic uptake; The surface of smooth shaping roller and cooling roller is smooth surface, fuses, and then is shaped by cooling roller, begin to take shape plastic honeycomb composite board after the one side that vacuum parison contacts with smooth shaping roller is squeezed with the bottom hot pressing of honeycomb.The honeycomb on vacuum forming roller surface is the version of vacuum six array of prisms, and according to the actual needs of plastic honeycomb composite board, the difference density of vacuum six prism can correspondingly adjust.
It is the upper shaping roller tube and lower shaping roller tube longitudinally arranged that described secondary setting roll group comprises, and the gap between upper shaping roller tube and lower shaping roller tube is less than the honeycomb thickness that one-shot forming roller group place is formed.Under utilizing the roll extrusion of setting roll group and the synergy of honeycomb inner equilibrium air pressure, honeycomb dilates outward, piles up laminating each other, final formation cellular-core composite plate.
The present invention, relative to prior art, has following beneficial effect:
The one-time continuous that the present invention can realize plastic honeycomb shape sandwich composite board is shaping, has high production efficiency, and cellular-core and top panel are overall structure, makes composite plate have high bearing capacity; Without the need to multiple stage extruder in cellularpiston composite plate production process, there is the features such as cost is low, volume is little.The experiment proved that, the like product quality of the cellular board ratio metallic plate manufacture of this device fabrication alleviates, and has high working strength simultaneously, in addition, plastic honeycomb composite board, not containing other additives such as adhesive, can 100% to reclaim, and belonging to can the material of recycling.
Accompanying drawing explanation
Fig. 1 is the structural representation of this plastic honeycomb board continuous producing apparatus.
Fig. 2 is the structural representation of vacuum forming roller in Fig. 1.
Fig. 3 is a kind of structural representation of shaping rear plastic honeycomb composite board.
Fig. 4 is the another kind of structural representation of shaping rear plastic honeycomb composite board.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
The present embodiment is a kind of based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, as shown in Figure 1, utilizes the vacuum parison that the first shaping cross sectional shape of die head is rectangle;
Then utilize and there is the vacuum forming roller of honeycomb and the cooperation of smooth shaping roller, the one side that vacuum parison and vacuum forming roller socket joint touch is formed honeycomb by vacuum forming, fuses after the one side that vacuum parison contacts with smooth shaping roller is squeezed with the bottom hot pressing of honeycomb;
Again after Hot-blast Heating, adopt ganoid setting roll group to carry out secondary sizing, under utilizing the roll extrusion of setting roll group and the synergy of honeycomb inner equilibrium air pressure, honeycomb dilates outward, pile up laminating each other, final formation continuous print cellular-core composite plate.
Wherein, honeycomb is the version (as shown in Figure 3 or Figure 4) in vacuum six array of prisms.
Embodiment 2
The present embodiment a kind of for realize method described in embodiment 1 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, as shown in Figure 1, comprise die head 2, shunting cutter 7, air cushion plug 5, there is the vacuum forming roller 15 (its structure as shown in Figure 2) of honeycomb, smooth shaping roller 14, hot blast cutter 8 and secondary setting roll group 9, wherein, vacuum forming roller and smooth shaping roller are arranged side by side and form one-shot forming roller group, shunting cutter is located in die head, shunting cutter both sides are respectively runner, air cushion plug be located at shunting cutter below and be positioned at extruded parisons inside, according to the throughput direction of material, die head, one-shot forming roller group, hot blast cutter and secondary setting roll group set gradually.Also be provided with air flue 4 in die head, air flue is communicated with the pore in air cushion plug.Equilibrium air pressure in air cushion plug makes polymer melt be positioned at air cushion to enclose and adhesion beyond the Great Wall, ensures to extrude the formation that cross section is rectangular vacuum parison.Die head is connected with extruder 16 by die head spacer shell 1.The slack adjuster 3 for regulating width of flow path is provided with outside die head.By the slack adjuster adjustment shunting position of cutter in die head, thus regulate the width of its two side runner.Slack adjuster can adopt adjustment screw, and install adjustment screw being positioned on the mould side wall outside shunting cutter two respectively, the length stretching into die head by adjustment adjustment screw controls the position of shunting cutter.Also be provided with cooling roller 13 below vacuum forming roller, vacuum forming roller, smooth shaping roller and cooling roller are triangularly arranged.Wherein, the surface of vacuum forming roller, with honeycomb, makes the one side correspondence of vacuum parison form honeycomb by plastic uptake; The surface of smooth shaping roller and cooling roller is smooth surface, fuses, and then is shaped by cooling roller, begin to take shape plastic honeycomb composite board after the one side that vacuum parison contacts with smooth shaping roller is squeezed with the bottom hot pressing of honeycomb.The honeycomb on vacuum forming roller surface is the version of vacuum six array of prisms, and according to the actual needs of plastic honeycomb composite board, the difference density of vacuum six prism can correspondingly adjust.It is the upper shaping roller tube and lower shaping roller tube longitudinally arranged that secondary setting roll group comprises, and the gap between upper shaping roller tube and lower shaping roller tube is less than the honeycomb thickness that one-shot forming roller group place is formed.Under utilizing the roll extrusion of setting roll group and the synergy of honeycomb inner equilibrium air pressure, honeycomb dilates outward, piles up laminating each other, final formation cellular-core composite plate.
During the said equipment application, its principle is: after plastic warp extruder 16 plastifying fusion, die head 2 is entered through die head spacer shell 1, two stock material streams are divided into by shunting cutter 7, in the air flue 4 in die head 2, pass into compressed air simultaneously, melt after extruding Formation cross-section shape under air cushion plug inner equilibrium gas pressure is the hollow base 6 of rectangle, wherein parison thickness can be controlled by slack adjuster, along with hollow parison enters the joint portion between vacuum forming roller 15 and smooth shaping roller 14, vacuum forming roller 15 and smooth shaping roller 14 synchronous rotary, adjust and lock two rollers, the hollow type embryo contacted with vacuum forming roller 15 forms vacuum six array of prisms 12 corresponding to honeycomb under the plastic uptake effect of vacuum forming roller 15, the side hot pressing simultaneously making the bottom surface of vacuum six array of prisms contact with smooth assistant formation roller under the squeezing action of smooth shaping roller 14 fuses, with after cooling roller 13 cooling and shaping through longitudinally arranging roll release, hexagonal prism array 12 is elastomeric state under the effect of hot blast cutter 8 post bake subsequently, dilate outward under the roll extrusion of post forming roller group and the effect of contraction of hexagonal prism 12 internal balance air pressure again, pile up laminating each other, final formation plastic honeycomb composite board 10.
As mentioned above, just can realize the present invention preferably, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Namely all equalizations done according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.

Claims (9)

1. based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, it is characterized in that, utilize the vacuum parison that the first shaping cross sectional shape of die head is rectangle; Then utilize and there is the vacuum forming roller of honeycomb and the cooperation of smooth shaping roller, the one side that vacuum parison and vacuum forming roller socket joint touch is formed honeycomb by vacuum forming, fuses after the one side that vacuum parison contacts with smooth shaping roller is squeezed with the bottom hot pressing of honeycomb; Again after Hot-blast Heating, carry out secondary sizing, form continuous print cellular-core composite plate.
2. according to claim 1 based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, it is characterized in that, described honeycomb is the version in vacuum six array of prisms.
3. according to claim 1 based on the synergistic plastic honeycomb board continuous producing method of plastic uptake roll extrusion, it is characterized in that, during described secondary sizing, ganoid setting roll group is adopted to carry out secondary sizing, under utilizing the roll extrusion of setting roll group and the synergy of honeycomb inner equilibrium air pressure, honeycomb dilates outward, piles up laminating each other, final formation cellular-core composite plate.
4. based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, comprise die head, shunting cutter, air cushion plug, the vacuum forming roller with honeycomb, smooth shaping roller, hot blast cutter and secondary setting roll group, wherein, vacuum forming roller and smooth shaping roller are arranged side by side and form one-shot forming roller group, shunting cutter be located in die head, shunting cutter both sides be respectively runner, air cushion plug be located at shunting cutter below and be positioned at extruded parisons inside; According to the throughput direction of material, die head, one-shot forming roller group, hot blast cutter and secondary setting roll group set gradually.
5., according to claim 4 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, be also provided with air flue in described die head, air flue is communicated with the pore in air cushion plug.
6., according to claim 4 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, described die head is connected with extruder by die head spacer shell.
7., according to claim 4 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, outside described die head, being provided with the slack adjuster for regulating width of flow path.
8. according to claim 4 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, also be provided with cooling roller below described vacuum forming roller, vacuum forming roller, smooth shaping roller and cooling roller are triangularly arranged.
9. according to claim 4 based on the synergistic plastic honeycomb board continuous producing apparatus of plastic uptake roll extrusion, it is characterized in that, it is the upper shaping roller tube and lower shaping roller tube longitudinally arranged that described secondary setting roll group comprises, and the gap between upper shaping roller tube and lower shaping roller tube is less than the honeycomb thickness that one-shot forming roller group place is formed.
CN201510824487.XA 2015-11-24 2015-11-24 The plastic honeycomb board continuous producing method and equipment of synergy are rolled based on plastic uptake Active CN105291444B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510824487.XA CN105291444B (en) 2015-11-24 2015-11-24 The plastic honeycomb board continuous producing method and equipment of synergy are rolled based on plastic uptake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510824487.XA CN105291444B (en) 2015-11-24 2015-11-24 The plastic honeycomb board continuous producing method and equipment of synergy are rolled based on plastic uptake

Publications (2)

Publication Number Publication Date
CN105291444A true CN105291444A (en) 2016-02-03
CN105291444B CN105291444B (en) 2017-08-25

Family

ID=55189584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510824487.XA Active CN105291444B (en) 2015-11-24 2015-11-24 The plastic honeycomb board continuous producing method and equipment of synergy are rolled based on plastic uptake

Country Status (1)

Country Link
CN (1) CN105291444B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018176899A1 (en) * 2017-03-31 2018-10-04 湖南吉永盛汽车零部件有限公司 Polygonal honeycomb plate and production process therefor
CN109093991A (en) * 2018-09-13 2018-12-28 张家港市帝达机械有限公司 Hexagon cellular forming roller
CN109263075A (en) * 2018-10-18 2019-01-25 深圳市亚美三兄吸塑有限公司 The one-step moulding method of double-layer plastic-sucking forming integrated machine and the double-deck plate
CN117774257A (en) * 2024-02-26 2024-03-29 泉州锦林环保高新材料有限公司 Plastic sheet plasticizing extrusion molding device and box body thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741857A (en) * 1970-11-20 1973-06-26 Asahi Chemical Ind Composite light weight board and manufacture thereof
GB1325017A (en) * 1969-10-22 1973-08-01 Seisan Nipponsha Kk Process and appa'atus for making ribbed synthetic resin boards
CN102700144A (en) * 2012-05-24 2012-10-03 大连塑料研究所有限公司 Equipment and production process for forming cellular board by continuous extruding vacuum
CN104275836A (en) * 2013-07-06 2015-01-14 周挺 Dimple-shaped honeycomb hollow plate and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325017A (en) * 1969-10-22 1973-08-01 Seisan Nipponsha Kk Process and appa'atus for making ribbed synthetic resin boards
US3741857A (en) * 1970-11-20 1973-06-26 Asahi Chemical Ind Composite light weight board and manufacture thereof
CN102700144A (en) * 2012-05-24 2012-10-03 大连塑料研究所有限公司 Equipment and production process for forming cellular board by continuous extruding vacuum
CN104275836A (en) * 2013-07-06 2015-01-14 周挺 Dimple-shaped honeycomb hollow plate and manufacturing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018176899A1 (en) * 2017-03-31 2018-10-04 湖南吉永盛汽车零部件有限公司 Polygonal honeycomb plate and production process therefor
CN109093991A (en) * 2018-09-13 2018-12-28 张家港市帝达机械有限公司 Hexagon cellular forming roller
CN109093991B (en) * 2018-09-13 2023-12-29 博斯特智能科技(张家港)有限公司 Hexagonal honeycomb forming roller
CN109263075A (en) * 2018-10-18 2019-01-25 深圳市亚美三兄吸塑有限公司 The one-step moulding method of double-layer plastic-sucking forming integrated machine and the double-deck plate
CN117774257A (en) * 2024-02-26 2024-03-29 泉州锦林环保高新材料有限公司 Plastic sheet plasticizing extrusion molding device and box body thereof

Also Published As

Publication number Publication date
CN105291444B (en) 2017-08-25

Similar Documents

Publication Publication Date Title
CN105291444A (en) Continuous production method and apparatus for plastic cellular boards based on plastic-absorption and rolling collaboration
CN201889909U (en) Novel environment-friendly production line for compound five-layer co-extrusion plastic buildng template
CN105599266A (en) Production device and method for polypropylene composited and modified extrusion sheet for trolley case
CN104275836A (en) Dimple-shaped honeycomb hollow plate and manufacturing method thereof
CN206678355U (en) A kind of PVC wood mould plate co-extrusion coating equipment
CN104175613A (en) Dimple-shaped honeycomb hollow plate and manufacturing method thereof
CN1160182C (en) Method for single layer or multilayer coextruding two-way extension polypropylene film and special equipment
WO2018176899A1 (en) Polygonal honeycomb plate and production process therefor
CN202498800U (en) Continuous fiber reinforced polypropylene foamed board
GB2086304A (en) Device for producing cellular structures of thermoplastic material
CN103448252A (en) Cellular board molding device
CN202498676U (en) Continuous fiber reinforced polypropylene foamed plate forming device
CN102829318A (en) Composite plastic board supported by ribs and production method thereof
CN207092527U (en) A kind of reinforcement type hollow plastic building template
CN202137939U (en) Extrusion die for plastic plates
CN105058809B (en) plastic honeycomb building template production line
CN106113538B (en) The production method of plastic honeycomb board
CN201494002U (en) Inorganic mineral paper-making equipment
CN205767375U (en) PVC co-extrusion Wavy tile mould
CN101664989A (en) Method for extruding a tyre lining layer
CN203472160U (en) Cellular board forming device
CN214026793U (en) Novel width limiting platform
CN202156420U (en) High-performance metal composite ceiling board
CN107738485A (en) A kind of porous plate and its composite plate
CN219360083U (en) PET foaming die orifice shaping device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381,

Co-patentee after: Guangzhou Huaxin Building Kezhi Technology Co. Ltd.

Patentee after: South China University of Technology

Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381,

Co-patentee before: Guangzhou Huaxinke Industrial Co., Ltd.

Patentee before: South China University of Technology

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191127

Address after: 430040 Hubei province Wuhan Dongxihu Jinghe Street Road No. 61 Silver

Patentee after: Wuhan modern Seiko machinery limited company

Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381,

Co-patentee before: Guangzhou Huaxin Building Kezhi Technology Co. Ltd.

Patentee before: South China University of Technology