CN115771244B - Casting mould is used in processing of car plastic parts - Google Patents
Casting mould is used in processing of car plastic parts Download PDFInfo
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- CN115771244B CN115771244B CN202310105106.7A CN202310105106A CN115771244B CN 115771244 B CN115771244 B CN 115771244B CN 202310105106 A CN202310105106 A CN 202310105106A CN 115771244 B CN115771244 B CN 115771244B
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- 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
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Abstract
The invention belongs to the technical field of plastic casting, and particularly relates to a casting mold for processing automobile plastic parts, which comprises a plastic molding fixed mold, wherein a plastic molding movable mold is attached to the top end of the plastic molding fixed mold, a plastic molding mold cavity is formed in the attachment surface of the plastic molding fixed mold and the plastic molding movable mold, a mounting groove is formed in the plastic molding movable mold, a plurality of pouring gates are formed in the bottom of the mounting groove, the pouring gates are matched with the plastic molding mold cavity, and a composite structure is arranged in the mounting groove; the plastic molding die cavity can be used for casting complex parts, the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure share the composite structure, namely the end parts of the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure occupy the same space, so that the occupied internal space of the plastic molding movable die can be saved, and the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure can not interfere with each other by arranging the composite structure, so that the die opening difficulty can not be increased.
Description
Technical Field
The invention belongs to the technical field of plastic part casting, and particularly relates to a casting mold for processing an automobile plastic part.
Background
Some special parts are manufactured through a casting mould when the existing automobile plastic part is manufactured, wherein the principle of the plastic casting mould is the same as that of a metal casting mould, and only the corresponding casting temperature is changed, however, when the metal part is cast or the plastic part is cast, some liquid plastic can usually remain in a pouring pipe inside a plastic molding movable mould, for example, the Chinese patent disclosed by the application No. CN 202011516609;
however, the chinese patent disclosed in application No. CN202011516609, a casting mold for processing automobile metal parts, still has the following disadvantages: for some automobile parts with more complex shapes, the arrangement of a push plate in a plastic molding mold cavity can not be realized under many conditions, structures such as the push plate, a Z-shaped rod and a sealing plate are arranged inside the mold, the structures can occupy a large amount of inner space of the mold and further influence the arrangement of a pouring system, if a large number of pouring gates are required to be arranged in the plastic molding mold cavity, the pouring gates can be mutually obstructed with the structures such as the push plate, the Z-shaped rod, the sealing plate and a cross rod, the mold opening difficulty is increased, the Chinese patent disclosed by the application number CN202011516609 can be considered, and the method is not suitable for casting the parts with more complex shapes.
Therefore, it is necessary to provide a casting mold for processing plastic parts of automobiles to solve the above problems.
Disclosure of Invention
In view of the above problems, the present invention provides a casting mold for processing plastic parts of an automobile, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile plastic parts machining is with casting mould, includes the plastic forming cover half, the top laminating of plastic forming cover half has the plastic forming movable mould, the plastic forming die cavity has been seted up with the binding face of plastic forming movable mould to the plastic forming cover half, the mounting groove has been seted up to the inside of plastic forming movable mould, a plurality of runner has been seted up to the bottom of mounting groove, runner and plastic forming die cavity phase-match, the internally mounted of mounting groove has composite construction, the top of composite construction avris is equipped with air exhaust structure and plastic forming pouring structure in proper order, the bottom of composite construction avris is equipped with the drawing liquid structure in proper order.
Preferably, composite construction includes compound pipe, the bottom shape and the runner shape phase-match of compound pipe, the top fixedly connected with of compound pipe connects prismatic, it has compound cap to connect prismatic top slip grafting, the opening has been seted up to one side of compound cap, logical groove has been seted up to the inside of compound pipe, the bottom that leads to the groove alternates compound pipe avris alternates the bottom, the top that leads to the groove alternates connects prismatic one side, and its tip and opening phase-match.
Preferably, the top fixedly connected with spliced pole of compound cap, the top of spliced pole alternates the top of plastic forming movable mould, and its tip fixedly connected with drive wheel, the top of plastic forming movable mould is equipped with the spacing wheel of a plurality of, and the drive belt has been cup jointed in the outside transmission of the spacing wheel of a plurality of and a plurality of drive wheel, the limiting plate is installed to the inboard of drive belt, the outside fixedly connected with connecting block of drive belt, connecting block and limiting plate phase-match, the one end fixedly connected with telescopic cylinder of connecting block.
Preferably, the outside fixedly connected with spiral leaf of composite tube, the spiral leaf direction and the transmission direction phase-match of drive belt, the bottom slant of leading to the groove is downward and composite tube outside intercommunication, the top shape that leads to the groove is the cell type, the length that leads to the groove top is greater than the length of opening.
Preferably, the structure of bleeding includes a plurality of branch pipe of bleeding, the one end of branch pipe of bleeding with correspond the opening phase-match, a plurality of the other end fixedly connected with of branch pipe of bleeding is bled and is responsible for, the top of being responsible for of bleeding interlude plastic molding movable mould's top, and its tip fixedly connected with aspiration pump.
Preferably, the plastic forming pouring structure comprises a plurality of pouring branch pipes, one ends of the pouring branch pipes are matched with the corresponding openings, and the other ends of the pouring branch pipes are fixedly connected with a pouring main pipe, the top end of the pouring main pipe is inserted into the top end of the plastic forming movable die, and the end part of the pouring main pipe is fixedly connected with an external pouring mechanism.
Preferably, the drawing liquid structure includes a plurality of drawing liquid branch pipe, the one end of drawing liquid branch pipe and the bottom phase-match that corresponds logical groove, the internally mounted of drawing liquid branch pipe one end has slide damper, a plurality of the other end fixedly connected with drawing liquid of drawing liquid branch pipe is responsible for, the one end that the drawing liquid was responsible for alternates one side of plastic molding movable mould, and its tip fixedly connected with outside drawing liquid mechanism.
Preferably, the air exhaust branch pipe, the pouring branch pipe and the liquid exhaust branch pipe are sequentially distributed around the composite pipe along the spiral blade direction.
The invention has the technical effects and advantages that:
the pouring gate is arranged aiming at the plastic molding die cavity, and no additional structure is arranged in the plastic molding die cavity, so that the plastic molding die cavity can be arranged in any shape, namely, the plastic molding die cavity can be used for casting complex parts, and the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure share the composite structure, namely, the end parts of the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure occupy the same space, so that the occupied internal space of the plastic molding movable die can be saved, and the air exhaust structure, the plastic molding pouring structure and the liquid pumping structure can not interfere with each other by arranging the composite structure, and the die opening difficulty can not be increased;
the gate of the invention has the functions of the gate and the air extraction opening in the traditional mould, so that the gate can be arranged at the theoretically optimal position when the number of the air extraction openings can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the plastic molding moving die of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a composite structure of the present invention;
FIG. 5 is a schematic view of a through slot structure of the present invention
Fig. 6 is a simple and easy schematic view of the sliding shutter structure of the present invention.
In the figure: 1. plastic molding and fixing the mold; 2. a plastic molding movable die; 3. a plastic molding die cavity; 4. mounting grooves; 5. a gate; 6. a composite structure; 601. a composite pipe; 602. connecting the prisms; 603. a composite cap; 604. a port; 605. helical leaves; 606. a through groove; 607. connecting columns; 608. a driving wheel; 609. a limiting wheel; 610. a transmission belt; 611. a limiting plate; 612. connecting blocks; 613. a telescopic cylinder; 7. an air extraction structure; 701. an air exhaust branch pipe; 702. a main exhaust pipe; 703. an air pump; 8. forming and pouring a structure by plastic; 801. pouring branch pipes; 802. pouring a main pipe; 803. an external casting mechanism; 9. a liquid pumping structure; 901. a liquid extraction branch pipe; 902. a sliding baffle; 903. a main liquid pumping pipe; 904. an external pumping mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides a casting mold for processing automobile plastic parts, which comprises a plastic molding fixed mold 1, wherein a plastic molding movable mold 2 is attached to the top end of the plastic molding fixed mold 1, a plastic molding mold cavity 3 is arranged on the attachment surface of the plastic molding fixed mold 1 and the plastic molding movable mold 2, an installation groove 4 is formed in the plastic molding movable mold 2, a plurality of pouring gates 5 are formed in the bottom of the installation groove 4, the pouring gates 5 are matched with the plastic molding mold cavity 3, a composite structure 6 is installed in the installation groove 4, an air exhaust structure 7 and a plastic molding pouring structure 8 are sequentially arranged at the top end of the side of the composite structure 6, and a liquid exhaust structure 9 is sequentially arranged at the bottom end of the side of the composite structure 6.
When the plastic molding die is used, firstly, a plastic molding movable die 2 is attached to a plastic molding fixed die 1, a composite structure 6 is communicated with an air exhaust structure 7, then the air exhaust structure 7 exhausts air from the pouring gate 5 through the composite structure 6 inside a plastic molding die cavity 3, then the composite structure 6 rotates and is changed from being communicated with the air exhaust structure 7 to being communicated with a plastic molding pouring structure 8, then the plastic molding pouring structure 8 injects plastic liquid into the plastic molding die cavity 3 through the composite structure 6, after the injection is finished, the composite structure 6 continues to rotate, so that the position of the composite structure is lowered to seal the pouring gate 5, and the residual plastic liquid is extracted by a liquid extraction structure 9; the pouring gate 5 is arranged aiming at the plastic molding die cavity 3, no additional structure is arranged in the plastic molding die cavity 3, so that the plastic molding die cavity 3 can be arranged in any shape, namely the plastic molding die cavity can be used for casting complex parts, and the air exhaust structure 7, the plastic molding pouring structure 8 and the liquid extraction structure 9 share the composite structure 6, namely the end parts of the air exhaust structure 7, the plastic molding pouring structure 8 and the liquid extraction structure 9 occupy the same space, so that the occupied internal space of the plastic molding moving die 2 can be saved, the air exhaust structure 7, the plastic molding pouring structure 8 and the liquid extraction structure 9 can not interfere with each other through arranging the composite structure 6, the difficulty cannot be increased, and the pouring gate 5 has the functions of the pouring gate 5 and the air exhaust opening in the traditional die substantially, so that the pouring gate 5 can be arranged at the theoretically optimal position when the air exhaust opening can be less arranged.
Referring to the attached drawings 2-5 in the specification, the composite structure 6 comprises a composite pipe 601, the bottom end of the composite pipe 601 is matched with the gate 5 in shape, the top end of the composite pipe 601 is fixedly connected with a connecting prism 602, the top end of the connecting prism 602 is connected with a composite cap 603 in a sliding and inserting mode, the edge side of the connecting prism 602 is provided with a corner, so that when the composite cap 603 rotates, the connecting prism 602 can be driven to rotate together, one side of the composite cap 603 is provided with a through hole 604, a through groove 606 is formed in the composite pipe 601, the bottom end of the through groove 606 penetrates through the bottom end of the edge side of the composite pipe 601, the top end of the through groove 606 penetrates through one side of the connecting prism 602, and the end of the through groove is matched with the through hole 604; a connecting column 607 is fixedly connected to the top end of the composite cap 603, the top end of the connecting column 607 penetrates through the top end of the movable plastic molding die 2, and the end part of the connecting column 607 is fixedly connected with a driving wheel 608, the top end of the movable plastic molding die 2 is provided with a plurality of limiting wheels 609, and the plurality of limiting wheels 609 and the outer sides of the plurality of driving wheels 608 are in transmission sleeve connection with a driving belt 610; the spiral blade 605 is fixedly connected to the outer side of the composite pipe 601, the direction of the spiral blade 605 is matched with the transmission direction of the transmission belt 610, the bottom end of the through groove 606 is obliquely communicated with the outer portion of the composite pipe 601 downwards, so that plastic liquid in the through groove 606 can easily flow out, the top end of the through groove 606 is in a groove shape, the length of the top end of the through groove 606 is larger than that of the through opening 604, and the through groove 606 can be still communicated with the through opening 604 when the composite pipe 601 moves downwards.
When the composite pipe is used, the telescopic cylinder 613 drives the transmission belt 610 to move so as to drive the transmission wheel 608 and the limiting wheel 609 to rotate, the transmission wheel 608 drives the composite cap 603 to rotate through the connecting column 607 when rotating, and further drives the composite pipe 601 to rotate through the connecting prism 602, and the spiral blade 605 is arranged outside the composite pipe 601, so that the composite pipe 601 and the connecting prism 602 gradually move downwards when rotating.
Referring to the drawings 2, 4 and 5 in the specification, the air exhaust structure 7 comprises a plurality of air exhaust branch pipes 701, one ends of the air exhaust branch pipes 701 are matched with the corresponding through holes 604, the other ends of the air exhaust branch pipes 701 are fixedly connected with an air exhaust main pipe 702, the top end of the air exhaust main pipe 702 is inserted into the top end of the plastic molding movable die 2, and the end part of the air exhaust main pipe is fixedly connected with an air exhaust pump 703.
When the through hole 604 is communicated with the air suction branch pipe 701, the air suction pump 703 is started, so that air enters the mounting groove 4 from the inside of the plastic molding die cavity 3, then enters the air suction branch pipe 701 through the through groove 606 and the through hole 604, and finally is sucked out of the air suction pump 703 through the air suction main pipe 702.
Referring to the attached fig. 2, 4 and 5 of the specification, the plastic molding pouring structure 8 includes a plurality of pouring branch pipes 801, one end of each pouring branch pipe 801 is matched with the corresponding through opening 604, the other end of each pouring branch pipe 801 is fixedly connected with a pouring main pipe 802, the top end of the pouring main pipe 802 is inserted into the top end of the plastic molding movable die 2, and the end part of the pouring main pipe is fixedly connected with an external pouring mechanism 803.
When the ports 604 are communicated with the pouring branch pipes 801, the external pouring mechanism 803 is started, so that plastic liquid sequentially passes through the pouring main pipe 802 and the pouring branch pipes 801 to enter the corresponding ports 604, and then enters the plastic molding die cavity 3 from the pouring gate 5 through the through groove 606.
Referring to the attached drawings 1, 2, 4 and 5 in the specification, the liquid pumping structure 9 comprises a plurality of liquid pumping branch pipes 901, one ends of the liquid pumping branch pipes 901 are matched with the bottom ends of the corresponding through grooves 606, a sliding baffle 902 is installed inside one end of each liquid pumping branch pipe 901, the other ends of the liquid pumping branch pipes 901 are fixedly connected with a liquid pumping main pipe 903, one end of the liquid pumping main pipe 903 penetrates through one side of the plastic molding movable die 2, and the end of the liquid pumping main pipe is fixedly connected with an external liquid pumping mechanism 904.
According to the invention, when the port 604 is separated from the pouring branch pipe 801, and the composite pipe 601 moves downwards to completely block the pouring gate 5, the external liquid pumping mechanism 904 is started, so that redundant plastic liquid remained in the mounting groove 4 and the through groove 606 is pumped into the liquid pumping main pipe 903 through the liquid pumping branch pipe 901, and finally is pumped out and recycled through the external liquid pumping structure 9, thereby avoiding waste.
Referring to the attached drawings 4-5 of the specification, the air extracting branch pipe 701, the pouring branch pipe 801 and the liquid extracting branch pipe 901 are sequentially distributed around the composite pipe 601 along the direction of the spiral blade 605, the angle between the air extracting branch pipe 701 and the pouring branch pipe 801 is ninety degrees, and the angle between the pouring branch pipe 801 and the liquid extracting branch pipe 901 is one hundred eighty degrees.
When the invention is used, the through hole 604 of the composite cap 603 is firstly communicated with the exhaust branch pipe 701, then the through hole 604 rotates along with the rotation of the composite cap 603, the through hole 604 is changed to be communicated with the pouring branch pipe 801 along with the rotation of the exhaust branch pipe 701, at the moment, the composite pipe 601 and the connecting prism 602 move downwards, but the gap between the composite pipe 601 and the pouring gate 5 is not blocked, so that plastic liquid can normally flow into the plastic molding mold cavity 3 through the pouring gate 5, then the composite cap 603 continues to rotate, the through hole 604 leaves the pouring branch pipe 801, at the moment, the composite pipe 601 and the connecting prism 602 gradually move downwards until the pouring gate 5 is blocked, so that the redundant plastic liquid at the pouring gate 5 is extruded into the installation groove 4 and enters the liquid extraction branch pipe 901 together with the plastic liquid remained in the through groove 606 to be recycled, and the pouring gate 5 is completely blocked by the composite pipe 601, so that the surface of a part cast by using the invention is smooth, therefore, the invention can be used for casting of a more precise part and can improve the yield.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a car plastic parts processing is with casting mould, includes plastic molding cover half (1), its characterized in that: the plastic molding die comprises a plastic molding fixed die (1), a plastic molding movable die (2) is attached to the top end of the plastic molding fixed die (1), a plastic molding die cavity (3) is formed in the attachment surface of the plastic molding fixed die (1) and the plastic molding movable die (2), a mounting groove (4) is formed in the plastic molding movable die (2), a plurality of pouring gates (5) are formed in the bottom of the mounting groove (4), the pouring gates (5) are matched with the plastic molding die cavity (3), a composite structure (6) is mounted in the mounting groove (4), an air exhaust structure (7) and a plastic molding pouring structure (8) are sequentially arranged at the top end of the side of the composite structure (6), and a liquid pumping structure (9) is sequentially arranged at the bottom end of the side of the composite structure (6);
the composite structure (6) comprises a composite pipe (601), the bottom end of the composite pipe (601) is matched with the gate (5) in shape, the top end of the composite pipe (601) is fixedly connected with a connecting prism (602), the top end of the connecting prism (602) is connected with a composite cap (603) in a sliding and inserting mode, one side of the composite cap (603) is provided with a through hole (604), the composite pipe (601) is internally provided with a through groove (606), the bottom end of the through groove (606) penetrates through the bottom end of the side of the composite pipe (601), the top end of the through groove (606) penetrates through one side of the connecting prism (602), and the end part of the through groove is matched with the through hole (604);
the top end of the composite cap (603) is fixedly connected with a connecting column (607), the top end of the connecting column (607) penetrates through the top end of the plastic forming movable mold (2), the end part of the connecting column is fixedly connected with a driving wheel (608), the top end of the plastic forming movable mold (2) is provided with a plurality of limiting wheels (609), a driving belt (610) is sleeved on the outside transmission of the limiting wheels (609) and the driving wheel (608), a limiting plate (611) is installed on the inner side of the driving belt (610), a connecting block (612) is fixedly connected on the outer side of the driving belt (610), the connecting block (612) is matched with the limiting plate (611), and one end of the connecting block (612) is fixedly connected with a telescopic cylinder (613);
the composite pipe is characterized in that a spiral blade (605) is fixedly connected to the outer side of the composite pipe (601), the direction of the spiral blade (605) is matched with the transmission direction of a transmission belt (610), the bottom end of the through groove (606) is obliquely and downwards communicated with the outside of the composite pipe (601), the top end of the through groove (606) is in a groove shape, and the length of the top end of the through groove (606) is larger than that of the through hole (604).
2. The casting mold for processing the plastic part for an automobile according to claim 1, wherein: the air exhaust structure (7) comprises a plurality of air exhaust branch pipes (701), one ends of the air exhaust branch pipes (701) are matched with the corresponding through openings (604), and are a plurality of the other ends of the air exhaust branch pipes (701) are fixedly connected with an air exhaust main pipe (702), the top end of the air exhaust main pipe (702) is inserted into the top end of the plastic forming movable mold (2), and the end part of the air exhaust main pipe is fixedly connected with an air exhaust pump (703).
3. The casting mold for processing the plastic part for automobile according to claim 2, wherein: plastics shaping pouring structure (8) include a plurality of pouring branch pipe (801), the one end of pouring branch pipe (801) with correspond opening (604) phase-match, a plurality of the other end fixedly connected with pouring of pouring branch pipe (801) is responsible for (802), the top of pouring person in charge (802) alternates the top of plastics shaping movable mould (2), and its tip fixedly connected with outside pouring mechanism (803).
4. The casting mold for processing the plastic part for an automobile according to claim 3, wherein: the liquid pumping structure (9) comprises a plurality of liquid pumping branch pipes (901), one ends of the liquid pumping branch pipes (901) are matched with the bottom ends of the corresponding through grooves (606), a sliding baffle (902) is arranged inside one end of each liquid pumping branch pipe (901), the other ends of the liquid pumping branch pipes (901) are fixedly connected with a liquid pumping main pipe (903), one end of the liquid pumping main pipe (903) is inserted into one side of the plastic forming movable die (2), and the end part of the liquid pumping main pipe is fixedly connected with an external liquid pumping mechanism (904).
5. The casting mold for processing the plastic part for an automobile according to claim 4, wherein: the air exhaust branch pipe (701), the pouring branch pipe (801) and the liquid extraction branch pipe (901) are sequentially distributed around the composite pipe (601) along the direction of the spiral blade (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105106.7A CN115771244B (en) | 2023-02-13 | 2023-02-13 | Casting mould is used in processing of car plastic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105106.7A CN115771244B (en) | 2023-02-13 | 2023-02-13 | Casting mould is used in processing of car plastic parts |
Publications (2)
| Publication Number | Publication Date |
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| CN115771244A CN115771244A (en) | 2023-03-10 |
| CN115771244B true CN115771244B (en) | 2023-04-07 |
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| CN202310105106.7A Active CN115771244B (en) | 2023-02-13 | 2023-02-13 | Casting mould is used in processing of car plastic parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2668586B2 (en) * | 1989-11-30 | 1997-10-27 | 新東工業株式会社 | Mold casting method for low melting point alloy castings |
| JP3604682B1 (en) * | 2003-08-21 | 2004-12-22 | 第一精工株式会社 | Mold cleaning apparatus and method |
| CN111216319A (en) * | 2019-11-29 | 2020-06-02 | 福建榕丰塑胶有限公司 | Snack box mold processing |
| CN214521513U (en) * | 2020-12-22 | 2021-10-29 | 山西省宏图建设集团有限公司 | Polyurethane foaming mold |
| CN217098636U (en) * | 2022-04-06 | 2022-08-02 | 苏州工业园区尼珂塑胶科技有限公司 | Injection mold prevents stifled subassembly with moulding plastics head antidrip |
| CN115648530A (en) * | 2022-10-27 | 2023-01-31 | 星悦医疗健康科技(南京)有限公司 | Tooth wax ball production equipment and production method thereof |
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