CN214324062U - Demoulding mechanism for injection mould - Google Patents
Demoulding mechanism for injection mould Download PDFInfo
- Publication number
- CN214324062U CN214324062U CN202022538072.5U CN202022538072U CN214324062U CN 214324062 U CN214324062 U CN 214324062U CN 202022538072 U CN202022538072 U CN 202022538072U CN 214324062 U CN214324062 U CN 214324062U
- Authority
- CN
- China
- Prior art keywords
- air
- cavity
- injection molding
- ejection
- moulding plastics
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000001746 injection moulding Methods 0.000 claims abstract description 61
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 14
- 230000008602 contraction Effects 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 abstract description 5
- 238000003379 elimination reaction Methods 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a demoulding mechanism for injection mold, concretely relates to injection mold field, including the cover half of moulding plastics, the movable mould of moulding plastics, guide bar and motion valve subassembly, the inside of the cover half of moulding plastics is equipped with the die cavity of moulding plastics, the bottom fixed mounting of guide bar has ejecting stripper plate, the top surface fixed mounting of ejecting stripper plate has telescopic connecting rod, telescopic connecting rod's other end embedding is installed in the bottom surface of the cover half of moulding plastics, the top surface fixed mounting of ejecting stripper plate has pump gas ejection mechanism, the inboard of the die cavity of moulding plastics is opened and is surveyed the valve and accomodate the chamber, the inside movable mounting in chamber is accomodate to the valve has the negative pressure elimination mechanism. The utility model discloses a set up novel gas cap structure, the air inlet top of pump gas ejection mechanism carries out ejecting of injection molding through its ascending motion in the air current pump sending, accelerates breaking away from of injection molding and the die cavity of moulding plastics through the pump sending of air current for the drawing of patterns is more smooth and easy, and through many top structures, the damage of avoiding traditional thimble drawing of patterns to cause the injection molding simultaneously.
Description
Technical Field
The utility model relates to an injection mold technical field, more specifically say, the utility model specifically is a demoulding mechanism for injection mold.
Background
Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the material melted by heating is injected into a die cavity, and a formed product is obtained after cooling and solidification. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. An injection mold generally comprises a movable mold and a fixed mold, the movable mold is mounted on a movable mold plate of an injection molding machine, and the fixed mold is mounted on a fixed mold plate of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product.
To traditional injection mold, need ejecting through thimble structure with the injection molding after the completion of moulding plastics for the injection molding can be separated with the agree with state of the die cavity of moulding plastics, then take out the product from the mould, the product has the negative pressure with the inside of the die cavity of moulding plastics and adsorbs when the compound die state pressurize, lead to drawing of patterns action and process very loaded down with trivial details, and the cycle of moulding plastics that has still very big extension, and the production efficiency is reduced, the ejecting structure of thimble type easily produces the nick on the injection molding surface, easily lead to the injection molding to damage when serious, there is certain defect.
It is therefore desirable to provide an efficient ejection mechanism for an injection mold.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a demoulding mechanism for injection mold, through setting up novel gas cap structure, the air inlet top of pump gas ejection mechanism carries out ejecting of injection molding through its ascending motion in the air current pumping, thereby the pump sending through the air current accelerates breaking away from of injection molding and injection molding cavity, thereby and utilize motion valve assembly to carry out opening of (air) intake valve to the inboard motion of die cavity under the direction of drawing of patterns negative pressure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a demoulding mechanism for injection mold, includes the cover half of moulding plastics, the movable mould of moulding plastics, guide bar and motion valve assembly, the inside of the cover half of moulding plastics is equipped with the die cavity of moulding plastics, the cover half of moulding plastics and the movable mould of moulding plastics slide and cup joint in the outside of guide bar, the bottom fixed mounting of guide bar has ejecting stripper plate, the top surface fixed mounting of ejecting stripper plate has telescopic link, telescopic link's other end embedding is installed in the bottom surface of the cover half of moulding plastics, the top surface fixed mounting of ejecting stripper plate has pump gas ejection mechanism, the inboard of the die cavity of moulding plastics is opened and is surveyed the valve and accomodate the chamber, the inside movable mounting in valve accomodate the chamber has the negative pressure elimination mechanism, pump gas ejection mechanism is including admitting air top, trachea pole and air inlet seat, the ejecting chamber of accomodating has been seted up to the bottom surface of the die cavity of moulding plastics. The air inlet ejector is slidably mounted inside the ejection storage cavity, and two ends of the air pipe rod are fixedly connected with the air inlet ejector and the end of the air inlet seat respectively.
In a preferred embodiment, an air inlet hole is formed in the outer side of the air inlet plug, the air pipe rod and the air inlet seat are of hollow structures, the air inlet hole is communicated with the air inlet seat through the air pipe rod, a pumping port is formed in the surface of the air inlet seat, and a high-pressure air pump is fixedly connected to the end of the pumping port.
In a preferred embodiment, the air pipe rod penetrates through the bottom surface of the injection molding fixed die in a sliding mode, the top surface of the air inlet ejector head is of a smooth plane structure, and the shape and the size of the ejection storage cavity are matched with those of the air inlet ejector head.
In a preferred embodiment, the negative pressure eliminating mechanism comprises an air valve, a push rod and a pressing stop disc, wherein two ends of the push rod are fixedly connected with the inner sides of the air valve and the pressing stop disc, and the surface of the air valve is of a smooth plane structure.
In a preferred embodiment, the inner side of the injection molding fixed die is provided with a contraction movement cavity communicated with the valve containing cavity, the outer side of the ejector rod is movably sleeved with a retraction spring, two ends of the retraction spring are respectively abutted against one side of the pressing blocking disc and the inner side of the contraction movement cavity, the other end of the contraction movement cavity is provided with an air hole communicated with the outer side of the injection molding fixed die, the pressing blocking disc is slidably mounted inside the contraction movement cavity, and the surface of the pressing blocking disc is provided with a plurality of air holes.
In a preferred embodiment, the outer side of the moving valve component is matched with the inner side of the valve receiving cavity, and the moving valve component and the side wall of the injection molding cavity are located on the same vertical plane.
In a preferred embodiment, the number of the pump air ejection mechanisms is several, the pump air ejection mechanisms are uniformly distributed on the top surface of the ejection stripper plate, and the ejection storage cavities correspond to the number and the positions of the pump air ejection mechanisms one by one.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up novel gas cap structure, the air inlet top of pump gas ejection mechanism carries out the ejecting of injection molding through its ascending motion when the air current pump sending, accelerates the breaking away from of injection molding and injection molding die cavity through the pump sending of air current, makes the drawing of patterns more smooth and easy, simultaneously through many top structures, avoids traditional thimble drawing of patterns to the damage that the injection molding caused;
2. the utility model discloses a set up the negative pressure elimination mechanism, thereby utilize motion valve assembly to carry out opening of (air) intake valve to the inboard motion of die cavity under the direction of drawing of patterns negative pressure to eliminate the negative pressure through admitting air, improve drawing of patterns efficiency, and prevent that the injection molding that the negative pressure leads to when ejecting from damaging, improve the drawing of patterns success rate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a in fig. 1 according to the present invention.
Fig. 3 is the structural schematic diagram of the pump air ejection mechanism of the present invention.
Fig. 4 is a schematic structural view of the air inlet plug of the present invention.
Fig. 5 is a schematic structural view of the motion valve assembly of the present invention.
The reference signs are: 1. injection molding a fixed die; 2. injection molding a movable mold; 3. ejecting the stripper plate; 4. a guide bar; 5. a telescopic connecting rod; 6. a pump air ejection mechanism; 7. a negative pressure eliminating mechanism; 11. injection molding a cavity; 12. ejecting the storage cavity; 13. a valve receiving cavity; 61. an air intake plug; 62. a tracheal tube rod; 63. an air inlet seat; 611. An air inlet; 631. a pumping port; 71. a moving valve assembly; 72. a contracting motion cavity; 73. a retraction spring; 711. an air valve; 712. a top rod; 713. and the blocking disc is resisted.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The demoulding mechanism for the injection mould as shown in the attached figures 1 to 5 comprises an injection fixed mould 1 and an injection movable mould 2, the injection molding die 1 is provided with an injection molding cavity 11, the injection molding die 1 and the injection molding movable die 2 are sleeved outside the guide rod 4 in a sliding mode, the bottom end of the guide rod 4 is fixedly provided with an ejection stripper plate 3, the top surface of the ejection stripper plate 3 is fixedly provided with a telescopic connecting rod 5, the other end of the telescopic connecting rod 5 is embedded in the bottom surface of the injection molding die 1, the top surface of the ejection stripper plate 3 is fixedly provided with a pump air ejection mechanism 6, the inner side of the injection molding cavity 11 is provided with an air valve containing cavity 13, the inner movable mounting of the air valve containing cavity 13 is provided with a negative pressure eliminating mechanism 7, the pump air ejection mechanism 6 comprises an air inlet ejector head 61, an air pipe rod 62 and an air inlet seat 63, and the bottom surface of the injection molding cavity 11 is provided with an ejection containing cavity 12. The air inlet plug 61 is slidably mounted inside the ejection accommodating cavity 12, and two ends of the air pipe rod 62 are fixedly connected with the air inlet plug 61 and the end of the air inlet seat 63 respectively.
The implementation mode is specifically as follows: by arranging the novel gas ejection structure, the air inlet ejector head 61 of the pump air ejection mechanism 6 ejects the injection molding piece through the ascending motion of the air inlet ejector head while the air flow is pumped, the separation of the injection molding piece and the injection molding cavity is accelerated through the pumping of the air flow, so that the demolding is smoother, and meanwhile, the damage to the injection molding piece caused by the traditional ejector pin demolding is avoided through the multi-ejector-head structure; additionally, the utility model discloses a set up negative pressure elimination mechanism 7, thereby utilize motion valve subassembly 71 to carry out opening of (air) intake valve to the inboard motion of die cavity under the direction of drawing of patterns negative pressure to eliminate the negative pressure through admitting air, improve drawing of patterns efficiency, and prevent that the injection molding that the negative pressure leads to when ejecting from damaging, improve the drawing of patterns success rate.
Wherein, inlet port 611 has been seted up in the outside of air inlet top 61, the inside of trachea pole 62 and air inlet seat 63 is hollow structure, inlet port 611 is linked together through trachea pole 62 and air inlet seat 63, pumping port 631 has been seted up on the surface of air inlet seat 63, the tip fixedly connected with high compression pump of pumping port 631, trachea pole 62 slides and runs through the bottom surface of the cover half 1 of moulding plastics, air inlet top 61's top surface is smooth planar structure, the shape size and the air inlet top 61 looks adaptation of ejecting chamber 12 of accomodating, the pump sending through the air current accelerates breaking away from of injection molding and the die cavity of moulding plastics, make the drawing of patterns more smooth and easy.
The negative pressure eliminating mechanism 7 comprises a valve 711, a push rod 712 and a resisting and pressing disc 713, two ends of the push rod 712 are fixedly connected with the inner sides of the valve 711 and the resisting and pressing disc 713, the surface of the valve 711 is of a smooth plane structure, a contraction motion cavity 72 communicated with the valve accommodating cavity 13 is formed in the inner side of the injection molding fixed die 1, a retraction spring 73 is movably sleeved on the outer side of the push rod 712, two ends of the retraction spring 73 are respectively abutted against one side of the resisting and pressing disc 713 and the inner side of the contraction motion cavity 72, an air hole communicated with the outer side of the injection molding fixed die 1 is formed in the other end of the contraction motion cavity 72, the resisting and pressing disc 713 is slidably mounted in the contraction motion cavity 72, a plurality of air holes are formed in the surface of the resisting and the motion valve assembly 71 moves downwards to the inner side of the cavity under the guiding of the demolding negative pressure so as to open the intake valve.
The outer side of the moving valve assembly 71 is matched with the inner side of the valve accommodating cavity 13, the moving valve assembly 71 and the side wall of the injection molding cavity 11 are located on the same vertical plane, and the moving valve assembly 71 is prevented from generating dents on the surface of an injection molding piece.
The number of the pump air ejection mechanisms 6 is a plurality, the pump air ejection mechanisms 6 are uniformly distributed on the top surface of the ejection stripper plate 3, the ejection storage cavities 12 correspond to the number and the positions of the pump air ejection mechanisms 6 one by one, and the multiple pump air ejection mechanisms 6 are used for ejection simultaneously, so that damage to injection moldings is prevented.
The utility model discloses the theory of operation:
the first step is as follows: when the demolding starts, the pumping port 631 and the output pipeline of the air pump are communicated, and the air pump blows in air flow to enable a cavity to be formed between the injection molding part and the bottom surface of the injection molding cavity 11;
the second step is that: the ejection demoulding plate 3 is pushed to compress the telescopic connecting rod 5 to move, so that the pump air ejection mechanism 6 is driven to move towards the inside of the injection molding cavity 11, ejection force is applied to an injection molding part through the air inlet ejector head 61, in the ejection process of the injection molding part, negative pressure is generated on the surfaces of the injection molding part and the injection molding cavity 11 due to demoulding, so that the movement valve assembly 71 is pushed to move towards the inner side of the injection molding cavity 11 through external air pressure, the injection molding cavity 11 is communicated with the external environment of the injection molding fixed die 1 through the valve accommodating cavity 13 and the backspacing spring 73, the elimination of the negative pressure inside the injection molding cavity 11 is realized, and the demoulding efficiency is improved.
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 present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a demoulding mechanism for injection mold, is including moulding plastics cover half (1), the movable mould (2) of moulding plastics, guide bar (4) and motion valve assembly (71), the inside of moulding plastics cover half (1) is equipped with injection mold cavity (11), mould plastics cover half (1) and the movable mould (2) of moulding plastics slip to cup joint in the outside of guide bar (4), its characterized in that: the bottom end of the guide rod (4) is fixedly provided with an ejection stripper plate (3), the top surface of the ejection stripper plate (3) is fixedly provided with a telescopic connecting rod (5), the other end of the telescopic connecting rod (5) is embedded and arranged on the bottom surface of the injection fixed die (1), the top surface of the ejection stripping plate (3) is fixedly provided with an air pumping ejection mechanism (6), an air valve accommodating cavity (13) is formed in the inner side of the injection molding cavity (11), a negative pressure eliminating mechanism (7) is movably arranged in the air valve accommodating cavity (13), the pump air ejection mechanism (6) comprises an air inlet ejector head (61), an air pipe rod (62) and an air inlet seat (63), the bottom surface of the injection molding cavity (11) is provided with an ejection accommodating cavity (12), the air inlet plug (61) is slidably arranged in the ejection accommodating cavity (12), and two ends of the air pipe rod (62) are respectively and fixedly connected with the end parts of the air inlet ejector head (61) and the air inlet seat (63).
2. The ejector mechanism for an injection mold according to claim 1, wherein: intake port (611) have been seted up in the outside of top of admitting air (61), the inside of the top of admitting air (61), trachea pole (62) and seat (63) of admitting air is hollow structure, intake port (611) are linked together through trachea pole (62) and seat (63) of admitting air, pumping port (631) have been seted up on the surface of seat (63) of admitting air, the tip fixedly connected with high compression pump of pumping port (631).
3. The ejector mechanism for an injection mold according to claim 1, wherein: the bottom surface of the injection molding fixed die (1) is penetrated through in the trachea pole (62) slip, the top surface of the top of admitting air (61) is smooth planar structure, the shape size of ejecting storage cavity (12) and the top of admitting air (61) looks adaptation.
4. The ejector mechanism for an injection mold according to claim 1, wherein: the negative pressure eliminating mechanism (7) comprises an air valve (711), a push rod (712) and a pressing stop disc (713), two ends of the push rod (712) are fixedly connected with the air valve (711) and the inner side of the pressing stop disc (713), and the surface of the air valve (711) is of a smooth plane structure.
5. The ejector mechanism for an injection mold according to claim 4, wherein: the injection molding fixed die is characterized in that a contraction movement cavity (72) communicated with the valve containing cavity (13) is formed in the inner side of the injection molding fixed die (1), a backspacing spring (73) is sleeved on the outer side of the ejector rod (712) in a movable mode, two ends of the backspacing spring (73) are respectively abutted to one side of the resisting and pressing blocking disc (713) and the inner side of the contraction movement cavity (72), an air hole communicated with the outer side of the injection molding fixed die (1) is formed in the other end of the contraction movement cavity (72), the resisting and pressing blocking disc (713) is installed in the contraction movement cavity (72) in a sliding mode, and a plurality of air holes are formed in the surface of the resisting and pressing blocking disc (713).
6. The ejector mechanism for an injection mold according to claim 1, wherein: the outer side of the motion valve assembly (71) is matched with the inner side of the valve containing cavity (13), and the motion valve assembly (71) and the side wall of the injection molding cavity (11) are located on the same vertical plane.
7. The ejector mechanism for an injection mold according to claim 1, wherein: the number of the pump air ejection mechanisms (6) is a plurality, the pump air ejection mechanisms (6) are uniformly distributed on the top surface of the ejection stripping plate (3), and the ejection storage cavities (12) are in one-to-one correspondence with the number and the positions of the pump air ejection mechanisms (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022538072.5U CN214324062U (en) | 2020-11-05 | 2020-11-05 | Demoulding mechanism for injection mould |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022538072.5U CN214324062U (en) | 2020-11-05 | 2020-11-05 | Demoulding mechanism for injection mould |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214324062U true CN214324062U (en) | 2021-10-01 |
Family
ID=77895366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022538072.5U Active CN214324062U (en) | 2020-11-05 | 2020-11-05 | Demoulding mechanism for injection mould |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214324062U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113997531A (en) * | 2021-11-05 | 2022-02-01 | 上海科正模具有限公司 | Demoulding mechanism for vehicle spare and accessory parts |
-
2020
- 2020-11-05 CN CN202022538072.5U patent/CN214324062U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113997531A (en) * | 2021-11-05 | 2022-02-01 | 上海科正模具有限公司 | Demoulding mechanism for vehicle spare and accessory parts |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214324062U (en) | Demoulding mechanism for injection mould | |
CN210061978U (en) | Ejection type plastic cup blow molding mold | |
CN215039836U (en) | Forming die for producing precise injection molding parts | |
CN115195048A (en) | Injection mold with ejection device | |
CN211467291U (en) | Injection mold convenient to take out product | |
CN211031091U (en) | Injection mold capable of automatically demolding concave parts of automobile | |
CN210453475U (en) | Keyboard button liquid injection molding equipment | |
CN220517424U (en) | Injection mold for precise structural part of electronic product | |
CN213035230U (en) | High-efficient air-assisted ejection of patterns plastics injection molding | |
CN219076431U (en) | Injection molding demoulding mechanism | |
CN216465981U (en) | Plug injection mold | |
CN219667345U (en) | Mould structure of aquarium motor reflux seat | |
CN218985616U (en) | Mechanical spring needle mechanism for solving problem of ejection and inclined sticking of product | |
CN221392108U (en) | Injection mold ejection structure | |
CN220784761U (en) | Ejection mechanism for injection mold | |
CN214188284U (en) | Plastic product processing mold easy to demould | |
CN211993999U (en) | Injection mold for anti-electric shock ferrule socket | |
CN218803779U (en) | Take nitrogen spring's mould ejection mechanism | |
CN220429147U (en) | Automatic demoulding mould of injection molding machine | |
CN217073223U (en) | Core ejecting device of sealing element injection mold | |
CN218399309U (en) | Injection mold capable of efficiently demolding | |
CN220372208U (en) | Demoulding mechanism of titanium alloy powder injection molding mould | |
CN217993322U (en) | Flowerpot injection moulding mould | |
CN220482483U (en) | Plastic pallet pressing die | |
CN220075378U (en) | Plastic toy injection mold |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 124000 177 Xinglongtai street, Xinglongtai District, Panjin City, Liaoning Province Patentee after: PANJIN HAIXING TECHNOLOGY Co.,Ltd. Address before: 638400 No. 11, group 13, honghuaba village, Liemian Town, wusheng County, Guang'an City, Sichuan Province Patentee before: He Huan |
|
TR01 | Transfer of patent right |