CN114178520B - Impurity removing runner for aluminum melt - Google Patents
Impurity removing runner for aluminum melt Download PDFInfo
- Publication number
- CN114178520B CN114178520B CN202111479902.4A CN202111479902A CN114178520B CN 114178520 B CN114178520 B CN 114178520B CN 202111479902 A CN202111479902 A CN 202111479902A CN 114178520 B CN114178520 B CN 114178520B
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- Prior art keywords
- main runner
- runner pipe
- pipeline
- matched
- pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention relates to an aluminum melt impurity removal flow channel, which comprises: the device comprises a pipeline and a booster pump movably arranged on the pipeline, wherein an electrically connected conductive coil is sleeved on the pipeline, and an elbow is fixed on the pipeline; the main runner pipe is connected with the pipeline and provided with symmetrically arranged through holes, the main runner pipe and the pipeline are also connected with a multistage filtering mechanism, and the multistage filtering mechanism is movably arranged in the main runner pipe and the pipeline; the clamping mechanism is movably arranged on the main flow channel pipe and is matched with the multistage filtering mechanism; the fixing assembly is movably arranged on the main runner pipe and symmetrically arranged, and the clamping mechanism is fixed on the main runner pipe when the clamping mechanism is matched with the main runner pipe; and the locking mechanism is connected with the clamping mechanism and is movably mounted on the main runner pipe.
Description
Technical Field
The invention relates to the field of processing, in particular to an aluminum melt impurity removal runner.
Background
The aluminum material is the second metal material with the largest world consumption, the high-purity aluminum material is an important supporting material for aviation industry and electric industry, the purity of aluminum is critical to the conductivity and deep drawing performance of the aluminum material, along with the further understanding of the performance of the high-purity aluminum alloy and the wider and wider application prospect of developing the high-purity aluminum alloy, the research on how to obtain high-purity aluminum melt becomes the key problem of the current aluminum industry, the purification of the aluminum liquid is the basis for realizing high quality of die castings, along with the higher and higher requirements on physical indexes such as the specific strength, the surface smoothness, the fracture toughness, the fatigue strength and the like of the die castings, the importance and the necessity of purification are gradually realized by die casting workers, the impurity removing effect of the traditional aluminum melt is poor during impurity removing, and the structure of an impurity removing device is complex, so that the impurity removing runner of the aluminum melt is provided.
Disclosure of Invention
The invention aims to provide an aluminum melt impurity removal runner to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an aluminum melt impurity removal runner, the aluminum melt impurity removal runner comprising:
the device comprises a pipeline and a booster pump movably arranged on the pipeline, wherein an electrically connected conductive coil is sleeved on the pipeline, and an elbow is fixed on the pipeline;
the main runner pipe is connected with the pipeline and provided with symmetrically arranged through holes, the main runner pipe and the pipeline are also connected with a multi-stage filtering mechanism for filtering aluminum melt, and the multi-stage filtering mechanism is movably arranged in the main runner pipe and the pipeline;
the clamping mechanism is movably arranged on the main flow channel pipe and is matched with the multistage filtering mechanism;
the fixing assembly is movably arranged on the main runner pipe and symmetrically arranged, and the clamping mechanism is fixed on the main runner pipe when the clamping mechanism is matched with the main runner pipe;
the locking mechanism is connected with the clamping mechanism and movably mounted on the main runner pipe, and the locking mechanism is further matched with a through hole formed in the main runner pipe.
As a further scheme of the invention: the multistage filtering mechanism comprises a first sieve plate fixedly installed in the pipeline, a storage box movably installed on the pipeline and matched with the first sieve plate, and a fixed plate fixedly installed in the main flow channel pipe and matched with the clamping mechanism, wherein a screening component connected with the fixed plate is movably installed in the main flow channel pipe, and the screening component is connected with the clamping mechanism.
As still further aspects of the invention: the screening component comprises a clamping groove formed in the main runner pipe and the fixed plate, and a second screening plate and a third screening plate which are movably mounted on the clamping groove and connected with the clamping mechanism.
As still further aspects of the invention: the clamping mechanism comprises fixing columns which are fixedly installed on the main runner pipe and symmetrically arranged, a cover plate which is provided with grooves matched with the fixing columns and matched with the main runner pipe, and a limiting component which is arranged on the main runner pipe and connected with the cover plate, wherein the limiting component is matched with the fixing component, and the cover plate is matched with the fixing plate, the second sieve plate and the third sieve plate.
As still further aspects of the invention: the limiting assembly comprises limiting grooves which are symmetrically arranged on the main runner pipe, thread grooves which are formed in the cover plate and matched with the fixing assembly, and hollow rods which are fixedly arranged on the cover plate and matched with the limiting grooves.
As still further aspects of the invention: the fixed component comprises a support rod which is rotatably arranged on the main runner pipe and symmetrically arranged, a rotating plate which is rotatably arranged on the support rod, and a bolt which is movably arranged on the rotating plate and is matched with the thread groove.
As still further aspects of the invention: the locking mechanism comprises a fixed sleeve fixedly arranged on the hollow rod, a movable rod movably arranged in the fixed sleeve and penetrating through the hollow rod, and a spring fixedly arranged in the fixed sleeve and connected with the movable rod, wherein an unlocking component connected with the movable rod is movably arranged on the main runner pipe, and the movable rod is matched with a through hole formed in the main runner pipe.
As still further aspects of the invention: the unlocking component comprises a chute which is symmetrically arranged on the main runner pipe, a sliding block which is slidably arranged in the chute, and a push rod which is movably arranged in a through groove formed in the main runner pipe and is matched with the movable rod, wherein the push rod is fixedly arranged on the pressing plate, and a hinge rod hinged on the sliding block is hinged on the pressing plate.
Compared with the prior art, the invention has the beneficial effects that: under the initial state, with block mechanism and sprue tube cooperation, make locking mechanism and sprue tube adaptation, under the effect of locking mechanism, make the block mechanism fixed, simultaneously drive fixed subassembly motion to with block mechanism adaptation position, thereby firmly fix block mechanism on sprue tube, at this moment, carry the aluminium fuse-element of molten state to the pipeline, at this moment, the flow rate of steerable aluminium fuse-element under the effect of booster pump, the aluminium fuse-element will pass hierarchical filtering mechanism, and under the effect of multistage filtering mechanism, impurity filtration in the aluminium fuse-element, simultaneously, when aluminium fuse-element passes through the return bend fast, the change of flow direction causes centrifugal vortex phenomenon, produce the torrent in the fluid, impurity enriches in the pipe wall of turning round under centrifugal effect, because return bend department cavity is great, be convenient for more collect impurity, still set up the heliciform groove on the pipeline inner wall here when aluminium fuse-element is through the conducting coil of circular telegram, the axial alternating magnetic field that produces interacts with the vortex that induces in the liquid metal, produce directional extrusion force in the liquid metal, the rich iron phase that does not receive the effect and remove to the separator of aluminium fuse-element all around in the pipe wall, thereby the final impurity is discharged in the filtration groove through the aluminium fuse-element.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an aluminum melt impurity removal runner.
FIG. 2 is a schematic view of an embodiment of an aluminum melt impurity removal channel at another angle.
FIG. 3 is a schematic diagram of the connection relationship of a fixed assembly, a part of a locking mechanism, a part of a multi-stage screening mechanism, a main runner pipe and a fixed plate in one embodiment of an aluminum melt impurity removal runner.
FIG. 4 is a schematic view of a partially exploded view of one embodiment of an aluminum melt impurity removal channel.
In the figure: the device comprises a 1-pipeline, a 2-first sieve plate, a 3-storage box, a 4-booster pump, a 5-bent pipe, a 6-conductive coil, a 7-main runner pipe, an 8-sliding groove, a 9-fixed plate, a 10-fixed column, a 11-second sieve plate, a 12-limit groove, a 13-cover plate, a 14-hollow rod, a 15-fixed sleeve, a 16-spring, a 17-movable rod, a 18-push rod, a 19-pressure plate, a 20-hinged rod, a 21-rotating plate, a 22-bolt and a 23-third sieve plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 4, in an embodiment of the present invention, an aluminum melt impurity removal flow channel includes:
the pipeline 1 and the booster pump 4 movably mounted on the pipeline 1 are sleeved with a conductive coil 6 which is electrically connected, and the pipeline 1 is fixedly provided with a bent pipe 5;
preferably, the inner wall of the pipeline 1 at the section of the conductive coil 6 is provided with a thread-shaped groove, and when the aluminum melt passes through the section, impurities are enriched in the groove under the action of the conductive coil 6.
The main runner pipe 7 is connected with the pipeline 1 and is provided with symmetrically arranged through holes, the main runner pipe 7 and the pipeline 1 are also connected with a multi-stage filtering mechanism for filtering aluminum melt, and the multi-stage filtering mechanism is movably arranged in the main runner pipe 7 and the pipeline 1;
it should be noted that, multistage filtering mechanism includes fixed mounting be in sieve 2 and movable mounting in pipeline 1 be in on pipeline 1 and with storage box 3 of sieve 2 adaptation and fixed mounting be in sprue pipe 7 and with the fixed plate 9 of block mechanism adaptation, still movable mounting in the sprue pipe 7 with the screening subassembly that fixed plate 9 is connected, the screening subassembly with block mechanism connects.
It should be noted that, the screening assembly includes a clamping groove formed in the main runner pipe 7 and the fixing plate 9, and a second screening plate 11 and a third screening plate 23 movably mounted on the clamping groove and connected with the clamping mechanism.
Further, the storage box 3 is detachable, threads are formed on the storage box 3 and can be matched with the pipeline 1, so that the storage box 3 is fixed, when an aluminum melt passes through the first sieve plate 2, larger impurities are filtered by the first sieve plate 2 and enter the storage box 3, the aluminum melt moves continuously and moves to the fixing plate 9, the aluminum melt is split into two parts under the action of the fixing plate 9, and the aluminum melt passes through the second sieve plate 11 and passes through the third sieve plate 23 again, so that multistage filtration is realized.
The clamping mechanism is movably arranged on the main runner pipe 7 and is matched with the multistage filtering mechanism;
the above-mentioned clamping mechanism comprises a fixing column 10 fixedly installed on the main runner pipe 7 and symmetrically arranged, a cover plate 13 provided with a groove matched with the fixing column 10 and matched with the main runner pipe 7, and a limiting component arranged on the main runner pipe 7 and connected with the cover plate 13, wherein the limiting component is matched with the fixing component, and the cover plate 13 is matched with the fixing plate 9, the second sieve plate 11 and the third sieve plate 23.
The limiting assembly comprises limiting grooves 12 which are symmetrically arranged on the main runner pipe 7, thread grooves which are formed on the cover plate 13 and are matched with the fixing assembly, and hollow rods 14 which are fixedly arranged on the cover plate 13 and are matched with the limiting grooves 12.
Still further, the cover 13 is adapted to the main runner pipe 7, when the cover 13 moves towards the main runner pipe 7, the groove formed in the cover 13 is adapted to the fixing post 10, the hollow rod 14 moves into the limit groove 12, and when the cover 13 is tightly attached to the main runner pipe 7, the cover 13 stops moving.
The fixing components are movably arranged on the main runner pipe 7 and symmetrically arranged, and fix the clamping mechanism on the main runner pipe 7 when the clamping mechanism is matched with the main runner pipe 7;
the fixing assembly includes a support rod rotatably mounted on the main runner pipe 7 and symmetrically arranged, a rotating plate 21 rotatably mounted on the support rod, and a bolt 22 movably mounted on the rotating plate 21 and adapted to the thread groove.
Preferably, when the cover plate 13 is tightly attached to the main runner pipe 7, the manual driving rotating plate 21 rotates around the supporting rod and drives the bolt 22 to move to a position matched with the thread groove, and the driving bolt 22 moves to the maximum travel position in the thread groove, so that the cover plate 13 is fixed on the main runner pipe 7.
The locking mechanism is connected with the clamping mechanism and movably mounted on the main runner pipe 7, and the locking mechanism is further matched with a through hole formed in the main runner pipe 7.
It should be noted that, the locking mechanism includes fixed sleeve 15 fixedly installed on the hollow pole 14 and movable rod 17 movably installed in the fixed sleeve 15 and penetrating through the hollow pole 14 and spring 16 fixedly installed in the fixed sleeve 15 and connected with the movable rod 17, the main runner pipe 7 is further movably installed with an unlocking component connected with the movable rod 17, and the movable rod 17 is adapted to the through hole formed in the main runner pipe 7.
It should be further noted that, the unlocking component includes a chute 8 provided on the main runner pipe 7 and symmetrically arranged, a slide block slidably mounted in the chute 8, and a push rod 18 movably mounted in a through slot provided on the main runner pipe 7 and adapted to the movable rod 17, where the push rod 18 is fixedly mounted on the pressing plate 19, and the pressing plate 19 is hinged with a hinge rod 20 hinged on the slide block.
Finally, when the hollow rod 14 is attached to the limiting groove 12, the movable rod 17 is located in the hollow rod 14 under the action of the limiting groove 12, the spring 16 is compressed, when the hollow rod 14 moves to the maximum stroke, the spring 16 is elastically released and drives the movable rod 17 to enter the through hole, so that the hollow rod 14 is fixed in the main runner pipe 7, when the unlocking is needed, the manual driving pressing plate 19 moves towards the inside of the main runner pipe 7 and drives the push rod 18 to attach to the movable rod 17, so that the movable rod 17 is driven to be separated from the through hole and enter the hollow rod 14, the pressing plate 19 also drives the hinge rod 20 to move and drives the sliding block to slide in the sliding groove 8, and at the moment, the hollow rod 14 can be separated from the main runner pipe 7.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. An aluminum melt impurity removal runner, characterized in that the aluminum melt impurity removal runner comprises:
the device comprises a pipeline (1) and a booster pump (4) movably mounted on the pipeline (1), wherein a conductive coil (6) which is electrically connected is sleeved on the pipeline (1), and an elbow pipe (5) is fixed on the pipeline (1);
the main runner pipe (7) is connected with the pipeline (1) and provided with symmetrically arranged through holes, the main runner pipe (7) and the pipeline (1) are also connected with a multi-stage filtering mechanism for filtering aluminum melt, and the multi-stage filtering mechanism is movably arranged in the main runner pipe (7) and the pipeline (1);
the clamping mechanism is movably arranged on the main runner pipe (7) and is matched with the multistage filtering mechanism;
the fixing assembly is movably arranged on the main runner pipe (7) and symmetrically arranged, and the clamping mechanism is fixed on the main runner pipe (7) when the clamping mechanism is matched with the main runner pipe (7);
the locking mechanism is connected with the clamping mechanism and movably mounted on the main runner pipe (7), and the locking mechanism is also matched with a through hole formed in the main runner pipe (7);
when the aluminum melt passes through the electrified conductive coil (6), a thread-shaped groove is further formed in the inner wall of the pipeline (1), an axial alternating magnetic field generated in the conductive coil (6) interacts with eddy currents induced in the liquid metal, extrusion force pointing to the axis is generated in the liquid metal, an iron-rich phase and impurities thereof which are not acted by electromagnetic force move to surrounding separator pipe wall grooves, so that the aluminum melt is enriched in the groove, and the aluminum melt is discharged through a multistage filtering mechanism;
the multistage filtering mechanism comprises a first sieve plate (2) fixedly installed in the pipeline (1) and a storage box (3) movably installed on the pipeline (1) and matched with the first sieve plate (2), and a fixed plate (9) fixedly installed in the main flow channel pipe (7) and matched with the clamping mechanism, wherein a screening component connected with the fixed plate (9) is movably installed in the main flow channel pipe (7), and the screening component is connected with the clamping mechanism.
2. The aluminum melt impurity removal runner according to claim 1, wherein the screening assembly comprises a clamping groove formed in the main runner pipe (7) and the fixed plate (9), and a second screening plate (11) and a third screening plate (23) movably mounted on the clamping groove and connected with the clamping mechanism.
3. The aluminum melt impurity removal runner according to claim 2, wherein the clamping mechanism comprises fixing columns (10) which are fixedly installed on the main runner pipe (7) and are symmetrically arranged, a cover plate (13) which is provided with grooves matched with the fixing columns (10) and matched with the main runner pipe (7), and a limiting component which is arranged on the main runner pipe (7) and connected with the cover plate (13), wherein the limiting component is matched with the fixing component, and the cover plate (13) is matched with the fixing plate (9), the second sieve plate (11) and the third sieve plate (23).
4. An aluminium melt impurity removal runner according to claim 3, characterised in that the limit assembly comprises limit grooves (12) which are symmetrically arranged on the main runner pipe (7), thread grooves which are arranged on the cover plate (13) and are matched with the fixing assembly, and hollow rods (14) which are fixedly arranged on the cover plate (13) and are matched with the limit grooves (12).
5. An aluminium melt impurity removing flow channel according to claim 4, characterized in that the fixing assembly comprises a support rod rotatably mounted on the main flow channel pipe (7) and symmetrically arranged, a rotating plate (21) rotatably mounted on the support rod, and a bolt (22) movably mounted on the rotating plate (21) and adapted to the thread groove.
6. An aluminium melt impurity removal runner according to claim 4, characterized in that the locking mechanism comprises a fixed sleeve (15) fixedly mounted on the hollow rod (14), a movable rod (17) movably mounted in the fixed sleeve (15) and penetrating through the hollow rod (14), and a spring (16) fixedly mounted in the fixed sleeve (15) and connected with the movable rod (17), an unlocking component connected with the movable rod (17) is movably mounted on the main runner pipe (7), and the movable rod (17) is adapted to a through hole formed in the main runner pipe (7).
7. The aluminum melt impurity removal runner according to claim 6, wherein the unlocking component comprises a chute (8) which is arranged on the main runner pipe (7) and is symmetrically arranged, a sliding block which is slidably arranged in the chute (8), and a push rod (18) which is movably arranged in a through groove which is arranged on the main runner pipe (7) and is matched with the movable rod (17), the push rod (18) is fixedly arranged on a pressing plate (19), and a hinge rod (20) hinged on the sliding block is hinged on the pressing plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479902.4A CN114178520B (en) | 2021-12-02 | 2021-12-02 | Impurity removing runner for aluminum melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479902.4A CN114178520B (en) | 2021-12-02 | 2021-12-02 | Impurity removing runner for aluminum melt |
Publications (2)
| Publication Number | Publication Date |
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| CN114178520A CN114178520A (en) | 2022-03-15 |
| CN114178520B true CN114178520B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111479902.4A Active CN114178520B (en) | 2021-12-02 | 2021-12-02 | Impurity removing runner for aluminum melt |
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| CN (1) | CN114178520B (en) |
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| US4884786A (en) * | 1988-08-23 | 1989-12-05 | Gillespie & Powers, Inc. | Apparatus for generating a vortex in a melt |
| CN102756116A (en) * | 2012-07-19 | 2012-10-31 | 重庆硕龙科技有限公司 | Method for integration implementation of continuously melting, refining and quantitatively positioning pouring of aluminum alloy furnace burden |
| CN103146924A (en) * | 2013-03-18 | 2013-06-12 | 天津立中合金集团有限公司 | Multi-stage impurity removing and refining method in production process of secondary aluminum |
| CN106399716A (en) * | 2016-10-24 | 2017-02-15 | 百色学院 | Compound purification device for aluminum melt |
| CN206143289U (en) * | 2016-09-30 | 2017-05-03 | 广东东方亮彩精密技术有限公司 | Aluminium melt purifier |
| CN207596931U (en) * | 2017-09-08 | 2018-07-10 | 航铝（苏州）智能科技有限公司 | A kind of non-ferrous metal liquid electromagnetic Multistage filtering device |
| CN210820681U (en) * | 2019-07-10 | 2020-06-23 | 苏州鼎坚模具有限公司 | Novel hot runner injection mold |
| CN210874348U (en) * | 2020-05-26 | 2020-06-30 | 东营辰瑛石油技术服务有限公司 | Fine petrochemical product filters edulcoration device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181658B (en) * | 2011-03-23 | 2012-12-19 | 广西大学 | Device and method for removing impurities in aluminum melt |
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2021
- 2021-12-02 CN CN202111479902.4A patent/CN114178520B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884786A (en) * | 1988-08-23 | 1989-12-05 | Gillespie & Powers, Inc. | Apparatus for generating a vortex in a melt |
| CN102756116A (en) * | 2012-07-19 | 2012-10-31 | 重庆硕龙科技有限公司 | Method for integration implementation of continuously melting, refining and quantitatively positioning pouring of aluminum alloy furnace burden |
| CN103146924A (en) * | 2013-03-18 | 2013-06-12 | 天津立中合金集团有限公司 | Multi-stage impurity removing and refining method in production process of secondary aluminum |
| CN206143289U (en) * | 2016-09-30 | 2017-05-03 | 广东东方亮彩精密技术有限公司 | Aluminium melt purifier |
| CN106399716A (en) * | 2016-10-24 | 2017-02-15 | 百色学院 | Compound purification device for aluminum melt |
| CN207596931U (en) * | 2017-09-08 | 2018-07-10 | 航铝（苏州）智能科技有限公司 | A kind of non-ferrous metal liquid electromagnetic Multistage filtering device |
| CN210820681U (en) * | 2019-07-10 | 2020-06-23 | 苏州鼎坚模具有限公司 | Novel hot runner injection mold |
| CN210874348U (en) * | 2020-05-26 | 2020-06-30 | 东营辰瑛石油技术服务有限公司 | Fine petrochemical product filters edulcoration device |
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| CN114178520A (en) | 2022-03-15 |
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