CN112060480A - Polyurethane casting machine with functions of liquid guiding and self-sealing - Google Patents
Polyurethane casting machine with functions of liquid guiding and self-sealing Download PDFInfo
- Publication number
- CN112060480A CN112060480A CN202010674217.6A CN202010674217A CN112060480A CN 112060480 A CN112060480 A CN 112060480A CN 202010674217 A CN202010674217 A CN 202010674217A CN 112060480 A CN112060480 A CN 112060480A
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- Prior art keywords
- tube
- sleeve
- self
- guide
- wall
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/234—Valves opened by the pressure of the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of casting machines, and discloses a polyurethane casting machine with a liquid-guiding self-closing function, which comprises a casting tube, wherein a matched guide tube is inserted in the casting tube, the guide tube is connected with the casting tube through a dismounting mechanism, a matched O-shaped sealing ring is fixedly sleeved between the guide tube and the inner wall of the casting tube, a self-closing mechanism is arranged in the guide tube, and the bottom end of the guide tube is fixedly communicated with a liquid-guiding port; the self-sealing mechanism comprises an annular groove formed in the inner wall of the flow guide pipe, an annular plug is arranged in the annular groove and is abutted to the top end of the annular groove, a guide rod is fixedly connected to the center of the lower surface of the annular plug, a support rod is fixedly connected to the inner wall of the bottom end of the flow guide pipe, and a guide sleeve is fixedly embedded in the center of the support rod. The invention ensures that the pouring pipeline of the polyurethane pouring machine has the automatic sealing function, and effectively avoids the pollution caused by dust entering the pipeline.
Description
Technical Field
The invention relates to the technical field of casting machines, in particular to a polyurethane casting machine with functions of liquid introduction and self-sealing.
Background
The casting machine can be used for stirring production raw materials, uniformly mixing the production raw materials, fully reacting the production raw materials, and timely injecting mixed slurry into a mold frame, and the polyurethane casting machine is mainly applied to multi-mode continuous production of hard semi-hard polyurethane products, such as: the heat-insulating and sound-insulating technical products of petrochemical equipment, directly-buried pipelines, refrigeration houses, water tanks, instruments and the like.
However, in the process of pouring by using a polyurethane pouring machine, the port of the pouring pipeline, namely the material liquid ejection port, is usually exposed, dust is easy to enter the pouring pipeline through the port after pouring, so that pollution is caused, and when the pouring pipeline is used again, the material liquid just sprayed out from the pouring pipeline is polluted, needs to be discharged and is not used, so that waste is caused.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a pouring pipeline of a polyurethane pouring machine cannot be automatically closed and dust is easy to enter to cause pollution, and provides the polyurethane pouring machine with the functions of liquid introduction and self closing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a polyurethane casting machine with can draw liquid from sealing function, includes the pouring tube, the intraductal honeycomb duct that is equipped with the matching of inserting of pouring, be connected through dismouting mechanism between honeycomb duct and the pouring tube, and fixed the cup jointing has the O type sealing washer of matching between honeycomb duct and the pouring tube inner wall, be equipped with from sealing mechanism in the honeycomb duct, and the bottom mounting intercommunication of honeycomb duct has the drainage mouth.
Preferably, from the closing mechanism including seting up the ring channel on the water conservancy diversion inside pipe wall, be equipped with annular blocking in the ring channel, and annular blocking is inconsistent with the top of ring channel, the fixedly connected with guide bar of center department of annular blocking lower surface, fixedly connected with branch on the interior pipe wall of water conservancy diversion bottom, and the fixed the inlaying of center department of branch has the uide bushing, the uide bushing setting is passed to the bottom of guide bar, and guide bar and uide bushing sliding connection, fixedly connected with spring between annular blocking and the uide bushing, and the spring housing establishes and sets up on the guide bar.
Preferably, dismouting mechanism establishes the sleeve in the pouring tube outside including the cover, and telescopic inner tube wall is equipped with the internal thread, the outer pipe wall of pouring tube is equipped with the external screw thread, sleeve and pouring tube threaded connection, telescopic bobbin base is fixed to be inlayed and is had the bearing, the honeycomb duct passes the bearing setting, and the outer pipe wall of honeycomb duct and the inner circle fixed connection of bearing.
Preferably, the section of the annular plug is larger than the inner section of the draft tube, and the section of the annular plug is smaller than that of the annular groove.
Preferably, a plurality of ball grooves have been seted up to the symmetry on the inner wall of uide bushing, and the ball inslot installs the ball that matches, the ball is kept away from the one end of ball groove tank bottom and is passed the notch in ball groove and outwards extend, and with the outer pole wall roll connection of guide bar.
Preferably, the inner wall of the annular groove is symmetrically and fixedly connected with stop blocks, and the stop blocks are arranged below the annular plug.
Preferably, the outer cylinder wall of the sleeve is symmetrically and fixedly connected with a rotating handle, and the outer side of the rotating handle is provided with anti-skid grains.
Preferably, the positioning ring is fixedly sleeved on the outer side of the pouring tube, and the lower surface of the positioning ring is attached to the edge of the top end of the sleeve.
Preferably, threaded connection has two symmetrical bolts on the holding ring, the telescopic top has seted up the slot along the edge symmetry, the bottom of bolt extends to and sets up in the slot.
Compared with the prior art, the invention provides a polyurethane casting machine with the functions of liquid introduction and self-sealing, which has the following beneficial effects:
1. this polyurethane casting machine with can draw liquid from sealing function, through setting up the pouring tube, the honeycomb duct, draw the liquid mouth, the ring channel, annular blocking, the guide bar, uide bushing and spring, polyurethane casting machine during operation produces the extrusion force, extrude the pouring material via the pouring tube, the extrusion force that the material produced is used in on the annular blocking, make it drive the guide bar and slide along the guide sleeve, and compress the spring, thereby open the ring channel automatically, make the material flow into in the honeycomb duct via the pouring tube, discharge the material through drawing the liquid mouth at last, accomplish the pouring, the extrusion force disappears when casting machine stops working, the spring of compression can take place to reset and rise, drive the top of annular blocking conflict ring channel, make the honeycomb duct self-sealing, effectively avoid external dust to get into in the pouring tube and cause the pollution.
2. This polyurethane casting machine with can draw liquid from sealing function, through setting up the pouring tube, O type sealing washer, the honeycomb duct, sleeve and bearing, rotate the sleeve with pouring tube threaded connection, make its decline, under the rotation effect of bearing, drive the honeycomb duct and slide along the pouring tube, after sleeve and pouring tube separation, can drive honeycomb duct and pouring tube separation, convenient dismantlement, it is intraductal to insert the honeycomb duct to the pouring, the leakproofness of grafting department can be guaranteed to O type sealing washer, it makes its and pouring tube threaded connection to rotate the sleeve, it is intraductal to drive the honeycomb duct and insert the pouring, can accomplish the installation, thereby make between honeycomb duct and the pouring tube conveniently carry out quick assembly disassembly as required.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the invention ensures that the pouring pipeline of the polyurethane pouring machine has the automatic sealing function, thereby effectively avoiding the pollution caused by the dust entering the pipeline.
Drawings
FIG. 1 is a schematic structural view of a polyurethane casting machine with liquid-guiding and self-sealing functions according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a schematic structural diagram of a connection part of a flow guide pipe and an O-shaped sealing ring of a polyurethane casting machine with functions of liquid introduction and self-sealing.
In the figure: the device comprises a pouring tube 1, a flow guide tube 2, a 3O-shaped sealing ring, a liquid guide port 4, an annular groove 5, an annular plug 6, a guide rod 7, a support rod 8, a guide sleeve 9, a spring 10, a sleeve 11, a bearing 12, a ball 13, a stop block 14, a rotating handle 15, a positioning ring 16, a bolt 17 and an insertion groove 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a polyurethane casting machine with functions of liquid guiding and self-sealing comprises a casting tube 1, a matched guide tube 2 is inserted into the casting tube 1, the guide tube 2 is connected with the casting tube 1 through a dismounting mechanism, a matched O-shaped sealing ring 3 is fixedly sleeved between the inner wall of the guide tube 2 and the inner wall of the casting tube 1, a self-sealing mechanism is arranged in the guide tube 2, and the bottom end of the guide tube 2 is fixedly communicated with a liquid guiding port 4.
The self-closing mechanism comprises an annular groove 5 arranged on the inner wall of a flow guide pipe 2, an annular plug 6 is arranged in the annular groove 5, the annular plug 6 is abutted against the top end of the annular groove 5, a guide rod 7 is fixedly connected at the center of the lower surface of the annular plug 6, a support rod 8 is fixedly connected on the inner pipe wall at the bottom end of the flow guide pipe 2, a guide sleeve 9 is fixedly embedded at the center of the support rod 8, the bottom end of the guide rod 7 penetrates through the guide sleeve 9, the guide rod 7 is in sliding connection with the guide sleeve 9, a spring 10 is fixedly connected between the annular plug 6 and the guide sleeve 9, the spring 10 is sleeved on the guide rod 7, a polyurethane casting machine generates extrusion force when working, casting materials are extruded out through a casting pipe 1, the extrusion force generated by the materials acts on the annular plug 6 to drive the guide rod 7 to slide along the guide sleeve 9 and compress the spring 10, make the material flow into honeycomb duct 2 in via pouring tube 1, discharge the material through drawing liquid mouth 4 at last, accomplish the pouring, the extrusion force will disappear when the casting machine stop work, and the spring 10 of compression can take place to reset and rise, drives the top that 6 conflict ring channels 5 of annular plug, makes honeycomb duct 2 self-sealing, effectively avoids external dust to get into and causes the pollution in the pouring tube 1.
The disassembling and assembling mechanism comprises a sleeve 11 sleeved outside the pouring tube 1, the inner cylinder wall of the sleeve 11 is provided with an internal thread, the outer pipe wall of the pouring tube 1 is provided with an external thread, the sleeve 11 is in threaded connection with the pouring tube 1, the cylinder bottom of the sleeve 11 is fixedly embedded with a bearing 12, the guide tube 2 passes through the bearing 12, the outer pipe wall of the guide tube 2 is fixedly connected with the inner ring of the bearing 12, the sleeve 11 in threaded connection with the pouring tube 1 is rotated to descend, the guide tube 2 is driven to slide down along the pouring tube 1 under the rotating action of the bearing 12, the guide tube 2 can be driven to be separated from the pouring tube 1 after the sleeve 11 is separated from the pouring tube 1, the disassembly is convenient, the guide tube 2 is inserted into the pouring tube 1, the O-shaped sealing ring 3 can ensure the sealing performance of the inserting position, the sleeve 11 is rotated to be in threaded connection with the pouring tube 1, the guide, thereby make between honeycomb duct 2 and the pouring tube 1 convenient as required carry out quick assembly disassembly.
The section of the annular plug 6 is larger than the inner section of the flow guide pipe 2, the section of the annular plug 6 is smaller than the section of the annular groove 5, and the annular plug 6 can be ensured to open the annular groove 5 for guiding materials after descending.
A plurality of ball grooves are symmetrically formed in the inner wall of the guide sleeve 9, matched balls 13 are installed in the ball grooves, one end, far away from the bottom of each ball groove, of each ball 13 penetrates through a groove opening of each ball groove and extends outwards, the ball 13 is connected with the outer rod wall of the guide rod 7 in a rolling mode, and friction force between the guide rod 7 and the guide sleeve 9 is reduced.
Symmetrical fixedly connected with dog 14 on the inner wall of ring channel 5, and dog 14 is located the below setting that the annular blockked up 6, conveniently prescribes a limit to the descending distance that the annular blockked up 6, avoids it to contradict and causes honeycomb duct 2 to seal with 5 bottoms of ring channel, influences the ejection of compact.
The outer cylinder wall of sleeve 11 goes up symmetry fixedly connected with and changes handle 15, and changes the outside of handle 15 and be equipped with anti-skidding line, conveniently drives sleeve 11 and rotates, the dismouting of being convenient for.
The fixed holding ring 16 that has cup jointed in the outside of pouring tube 1, and the lower surface of holding ring 16 and the top edgewise laminating of sleeve 11 mutually, can stop sleeve 11 to rotate when sleeve 11 contradicts with holding ring 16, the location of easy to assemble.
Threaded connection has two symmetrical bolts 17 on the holding ring 16, and the slot 18 has been seted up to the symmetry on the top edgewise of sleeve 11, and the bottom of bolt 17 extends to and sets up in the slot 18, rotates bolt 17 and makes it insert with slot 18 and close to conveniently inject sleeve 11's rotational degree of freedom, avoid it to take place to become flexible, guarantee the stability of installation.
According to the invention, when the polyurethane casting machine works, extrusion force is generated, casting materials are extruded out through the casting pipe 1, the extrusion force generated by the materials acts on the annular plug 6 to drive the guide rod 7 to slide along the guide sleeve 9, the spring 10 is compressed, the annular groove 5 is automatically opened, the materials flow into the guide pipe 2 through the casting pipe 1, and finally the materials are discharged through the liquid guide port 4 to finish casting, the extrusion force disappears when the casting machine stops working, the compressed spring 10 is reset and ascended to drive the annular plug 6 to abut against the top end of the annular groove 5, so that the guide pipe 2 is automatically closed, and pollution caused by external dust entering the casting pipe 1 is effectively avoided; rotate the sleeve 11 with 1 threaded connection of pouring tube, make its decline, under the rotation effect of bearing 12, drive honeycomb duct 2 along 1 gliding of pouring tube, after sleeve 11 separates with pouring tube 1, can drive honeycomb duct 2 and 1 separation of pouring tube, convenient dismantlement, insert honeycomb duct 2 to pouring tube 1 in, the leakproofness of grafting department can be guaranteed to O type sealing washer 3, it makes its and 1 threaded connection of pouring tube to rotate sleeve 11, drive honeycomb duct 2 and insert in the pouring tube 1, can accomplish the installation, thereby make between honeycomb duct 2 and the pouring tube 1 convenient quick assembly disassembly as required.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a polyurethane casting machine with can draw liquid from closing function, includes pouring tube (1), its characterized in that, pouring tube (1) interpolation is equipped with honeycomb duct (2) of matching, be connected through dismouting mechanism between honeycomb duct (2) and pouring tube (1), and fixed O type sealing washer (3) that have cup jointed the matching between honeycomb duct (2) and pouring tube (1) the inner tube wall, be equipped with in honeycomb duct (2) from closing mechanism, and the bottom mounting intercommunication of honeycomb duct (2) has drainage mouth (4).
2. The polyurethane casting machine with the functions of liquid introduction and self-closing as claimed in claim 1, it is characterized in that the self-closing mechanism comprises an annular groove (5) arranged on the inner wall of the draft tube (2), an annular plug (6) is arranged in the annular groove (5), the annular plug (6) is abutted against the top end of the annular groove (5), a guide rod (7) is fixedly connected at the center of the lower surface of the annular plug (6), a supporting rod (8) is fixedly connected on the inner pipe wall at the bottom end of the draft tube (2), a guide sleeve (9) is fixedly embedded in the center of the support rod (8), the bottom end of the guide rod (7) penetrates through the guide sleeve (9), and the guide rod (7) is connected with the guide sleeve (9) in a sliding manner, a spring (10) is fixedly connected between the annular plug (6) and the guide sleeve (9), and the spring (10) is sleeved on the guide rod (7).
3. The polyurethane casting machine with the functions of introducing liquid and self-closing as claimed in claim 1, wherein the disassembling and assembling mechanism comprises a sleeve (11) sleeved outside the casting tube (1), the inner wall of the sleeve (11) is provided with internal threads, the outer wall of the casting tube (1) is provided with external threads, the sleeve (11) is in threaded connection with the casting tube (1), the bottom of the sleeve (11) is fixedly embedded with a bearing (12), the flow guide tube (2) passes through the bearing (12) and is fixedly connected with the inner ring of the bearing (12).
4. The polyurethane casting machine with the functions of liquid introduction and self-closing as claimed in claim 2, wherein the cross section of the annular plug (6) is larger than the inner cross section of the draft tube (2), and the cross section of the annular plug (6) is smaller than the cross section of the annular groove (5).
5. The polyurethane casting machine with the functions of liquid introduction and self-closing as claimed in claim 2, wherein a plurality of ball grooves are symmetrically formed in the inner wall of the guide sleeve (9), matched balls (13) are installed in the ball grooves, and one end of each ball (13) far away from the bottom of each ball groove penetrates through the notch of each ball groove and extends outwards, and is in rolling connection with the outer rod wall of the guide rod (7).
6. The polyurethane casting machine with the functions of liquid introduction and self-closing as claimed in claim 2, wherein the inner wall of the annular groove (5) is symmetrically and fixedly connected with the stop blocks (14), and the stop blocks (14) are arranged below the annular plug (6).
7. The polyurethane casting machine with the functions of introducing liquid and self-closing as claimed in claim 3, wherein the outer cylinder wall of the sleeve (11) is symmetrically and fixedly connected with rotating handles (15), and the outer sides of the rotating handles (15) are provided with anti-skid threads.
8. The polyurethane casting machine with the functions of liquid introduction and self-closing as claimed in claim 3, wherein the outer side of the casting tube (1) is fixedly sleeved with a positioning ring (16), and the lower surface of the positioning ring (16) is attached to the top edge of the sleeve (11).
9. The polyurethane casting machine with the functions of introducing liquid and self-closing as claimed in claim 8, wherein two symmetrical bolts (17) are connected to the positioning ring (16) in a threaded manner, slots (18) are symmetrically formed in the top of the sleeve (11) along the edge, and the bottom ends of the bolts (17) extend into the slots (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674217.6A CN112060480A (en) | 2020-07-14 | 2020-07-14 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674217.6A CN112060480A (en) | 2020-07-14 | 2020-07-14 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112060480A true CN112060480A (en) | 2020-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010674217.6A Withdrawn CN112060480A (en) | 2020-07-14 | 2020-07-14 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112060480A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743725A (en) * | 2020-12-23 | 2021-05-04 | 戴温铭 | PVC sole quantitative pouring machine platform |
| CN116901325A (en) * | 2023-09-06 | 2023-10-20 | 南通申东裕浩轮胎有限公司 | Casting equipment for polyurethane tire |
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| CN1169355A (en) * | 1996-06-28 | 1998-01-07 | 谢桂深 | Improved combined return-flow-proof and anti-leakage automatic injection moulding jet-nozzle |
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| CN111016036A (en) * | 2019-12-27 | 2020-04-17 | 杭州欣禾工程管理咨询有限公司 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
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| CN1037678A (en) * | 1988-05-19 | 1989-12-06 | 谢桂深 | The injection nozzle that is used for injection moulding machine |
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| CN1169355A (en) * | 1996-06-28 | 1998-01-07 | 谢桂深 | Improved combined return-flow-proof and anti-leakage automatic injection moulding jet-nozzle |
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| CN112743725A (en) * | 2020-12-23 | 2021-05-04 | 戴温铭 | PVC sole quantitative pouring machine platform |
| CN116901325A (en) * | 2023-09-06 | 2023-10-20 | 南通申东裕浩轮胎有限公司 | Casting equipment for polyurethane tire |
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Application publication date: 20201211 |
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| WW01 | Invention patent application withdrawn after publication |