CN115071168B - Fiber reinforced resin injection mold and injection molding method - Google Patents
Fiber reinforced resin injection mold and injection molding method Download PDFInfo
- Publication number
- CN115071168B CN115071168B CN202210647139.XA CN202210647139A CN115071168B CN 115071168 B CN115071168 B CN 115071168B CN 202210647139 A CN202210647139 A CN 202210647139A CN 115071168 B CN115071168 B CN 115071168B
- Authority
- CN
- China
- Prior art keywords
- movable
- mold
- injection
- movable row
- reinforced resin
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 63
- 238000002347 injection Methods 0.000 title claims abstract description 60
- 239000007924 injection Substances 0.000 title claims abstract description 60
- 239000011347 resin Substances 0.000 title claims abstract description 41
- 229920005989 resin Polymers 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 title claims description 30
- 239000004744 fabric Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000004761 kevlar Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- -1 fibrilia Substances 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0033—Moulds or cores; Details thereof or accessories therefor constructed for making articles provided with holes
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a fiber reinforced resin injection mold and a method, wherein the fiber reinforced resin injection mold comprises a first mold, a second mold, a first movable row position and a second movable row position, wherein the first mold and the second mold can be mutually close to each other or mutually separated, after the first mold and the second mold are mutually closed, an injection cavity for placing fiber cloth and injecting resin is formed between the first mold and the second mold in a surrounding manner, and the first movable row position can be arranged in the first mold in a front-back moving manner at a first position and a second position; the second movable row position can be arranged in the second die in a back-and-forth moving way at a third position and a fourth position; and a blanking port is formed in the middle of the stroke of the second movable row position of the second die. The technical scheme is used for solving the problem that hole site design is difficult to carry out in the existing fiber reinforced resin piece.
Description
Technical Field
The invention belongs to the technical field of injection molding, and particularly relates to a fiber reinforced resin injection mold and an injection molding method.
Background
The fiber reinforced composite material is a high-performance material in which high-strength fibers such as fibrilia, glass fiber, carbon fiber, aromatic polyamide (aramid), kevlar (kevlar) and the like are impregnated with a polymer matrix material such as plastic or epoxy to improve strength.
Although fiber reinforced composite materials have great advantages in terms of weight reduction and high strength, they have a disadvantage of low design freedom because of limitations in the shapes that can be embodied.
The traditional prepreg lamination mode is difficult to form a complex structure, the existing mode of directly injecting the fiber cloth in an injection cavity is still limited, for example, the injection mode is difficult to form a hole site in a product, when hole site design is needed, the product is usually needed to be injected firstly, then the injection molded product is machined to form the hole site, and the problems of resin material waste, insufficient machining precision and lower production efficiency exist.
Disclosure of Invention
The invention provides a fiber reinforced resin injection mold and an injection molding method for solving the problem that the hole site design is difficult to carry out in the existing fiber reinforced resin part, and the fiber reinforced resin injection mold and the injection molding method can form a hole site structure during injection molding, so that the degree of freedom, the precision and the molding efficiency of hole site molding are improved.
The invention provides a fiber reinforced resin injection mold, which comprises a first mold, a second mold, a first movable row position and a second movable row position, wherein the first mold and the second mold can be mutually close to each other or are mutually separated, after the first mold and the second mold are mutually closed, an injection cavity for placing fiber cloth and injecting resin is formed between the first mold and the second mold in a surrounding manner, a glue injection runner is arranged in the first mold and is communicated with the injection cavity, an opening area is arranged on the injection cavity corresponding to a position on the fiber cloth to be opened, and the first movable row position can be movably arranged in the first mold back and forth at a first position and a second position; the second movable row position can be arranged in the second die in a back-and-forth moving way at a third position and a fourth position; the second die is provided with a blanking port at the middle position of the stroke of the second movable row position, and the blanking port is communicated to the outer wall of the second die; the first movable row position and the second movable row position can be mutually jointed and mutually separated and are arranged in the open hole area; when the first die and the second die are closed, the first movable position is located at a first position, the second movable position is located at a third position, the first movable position is connected with the second movable position, a cutting tool is arranged at the connection position of the first movable position and the second movable position and is used for cutting holes of fiber cloth in the injection cavity, when the first movable position moves from the first position to the second position, the first movable position moves to the blanking port, the second movable position moves from the third position to a fourth position, the first movable position and the second movable position are separated, and waste materials after the cutting of the fiber cloth holes are pushed by the first movable position to fall from the blanking port; when the first movable row position returns to the first position, the second movable row position returns to the third position, and the first movable row position and the second movable top block occupy an opening area of the injection molding cavity for injection molding to form a hole site.
Further, the fiber reinforced resin injection mold further comprises a first pushing device and a second pushing device, wherein the first pushing device is connected with the first movable row position, and the second pushing device is connected with the second movable row position.
Further, the first pushing device is a first hydraulic oil cylinder, the first hydraulic oil cylinder is embedded in the first die, and the first hydraulic oil cylinder is connected with the first movable row position.
Further, the second pushing device comprises a second hydraulic cylinder and an inclined top block, the second hydraulic cylinder is arranged on the side wall of the second die, the inclined top block is arranged in the second die in a front-back displacement mode, the second hydraulic cylinder is connected with the inclined top block, one end, deviating from the first movable position, of the second movable position is an inclined plane, and the inclined plane is abutted to the inclined top block.
Further, a thimble for ejecting the injection product is arranged in the first die.
The invention also provides a fiber reinforced resin injection molding method, which adopts the fiber reinforced resin injection mold, and comprises the following operation steps:
placing the fiber in a second mold, and closing the first mold and the second mold;
Driving the first movable row position to move to a first position, driving the second movable row position to move to a third position, and jointing the first movable row position with the second movable row position to cut holes of the fiber cloth in the injection cavity;
Driving the first movable line position to move from a first position to a second position, driving the first movable line position to move to the blanking port, driving the second movable line position to move from a third position to a fourth position, separating the first movable line position from the second movable line position, and pushing the waste cut by the fiber cloth hole position to fall from the blanking port by the first movable line position;
The first movable row position is driven to return to a first position, the second movable row position is driven to return to a third position, the first movable row position and the second movable top block occupy an opening area of the injection molding cavity, resin is injected into the injection molding cavity through the glue injection runner, and the joint positions of the first movable row position and the second movable top block form a hole site of a product after injection molding.
Further, the fiber cloth is fibrilia cloth.
According to the fiber reinforced resin injection mold, the first movable row position and the second movable row position are respectively arranged in the first mold and the second mold, the fiber cloth is cut and punched through the joint of the first movable row position and the second movable row position, meanwhile, cut waste materials can be pushed out of the blanking port through the movement of the first movable row position and the second movable row position, the automatic discharging design is realized, and when the first movable row position and the second movable row position return, the fiber reinforced resin injection mold can also be used as a component part of an opening area in an injection cavity for injection molding to form a hole site, and further after injection molding, a fiber reinforced resin part with the hole site can be directly obtained, so that multiple working procedures are avoided, and the processing efficiency is improved; meanwhile, the hole site is integrally injection molded, so that the design position and molding precision of the hole site can be well controlled.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a fiber reinforced resin injection mold;
Fig. 2 is a schematic cross-sectional view of a fiber reinforced resin injection mold in another state.
Fig. 3 is a schematic structural view of the second mold.
Fig. 4 is a schematic structural view of the first mold.
Detailed Description
The invention discloses a fiber reinforced resin injection mold and an injection molding method, which can form a hole site structure during injection molding and improve the degree of freedom, precision and molding efficiency of hole site molding.
The following description of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the invention are shown. 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.
Referring to fig. 1-4, the invention discloses a fiber reinforced resin injection mold, which comprises a first mold 1, a second mold 2, a first movable row position 7 and a second movable row position 6, wherein the first mold 1 and the second mold 2 can be mutually close to each other or are mutually separated, after the first mold 1 and the second mold 2 are mutually closed, an injection cavity 3 for placing fiber cloth 11 and injecting resin is formed between the first mold 1 and the second mold 2 in a surrounding manner, a glue injection runner is arranged in the first mold 1, the glue injection runner is communicated with the injection cavity 3, an opening area 4 is arranged at a position, which corresponds to the position, needing opening treatment, of the fiber cloth 11 in the injection cavity 3, and the first movable row position 7 can be movably arranged in the first mold 1 back and forth at a first position and a second position; the second movable row position 6 is arranged in the second die 2 in a back-and-forth movable way at a third position and a fourth position; the second die 2 is provided with a blanking port 9 at the middle position of the stroke of the second movable row position 6, and the blanking port 9 is communicated to the outer wall of the second die 2; the first movable row position 7 and the second movable row position 6 can be mutually jointed and mutually separated and are arranged in the open hole area 4; when the first mold 1 and the second mold 2 are closed, the first movable position 7 is located at a first position, the second movable position 6 is located at a third position, the first movable position 7 and the second movable position 6 are connected, a cutting tool is arranged at the connection position of the first movable position 7 and the second movable position 6, the cutting tool is located on the first movable position 7 or the second movable position 6, the cutting tool is used for cutting holes of fiber cloth 11 in the injection cavity 3, when the first movable position 7 moves from the first position to the second position, the first movable position 7 moves to the blanking port 9, the second movable position 6 moves from the third position to the fourth position, the first movable position 7 and the second movable position 6 are separated, and waste materials cut by the fiber cloth holes 11 are pushed by the first movable position 7 to fall from the blanking port 9; when the first movable row position 7 returns to the first position, the second movable row position 6 returns to the third position, and the first movable row position 7 and the second movable top block occupy the open hole area 4 of the injection cavity 3 for injection molding to form a hole site.
According to the fiber reinforced resin injection mold, the first movable row position 7 and the second movable row position 6 are respectively arranged in the first mold 1 and the second mold 2, the fiber cloth 11 is cut and punched through the joint of the first movable row position 7 and the second movable row position 6, meanwhile, cut waste materials can be pushed out of the blanking port 9 through the movement of the first movable row position 7 and the second movable row position 6, so that an automatic discharging design is realized, when the first movable row position 7 and the second movable row position 6 return, the waste materials can also be used as a component part of an opening area 4 in the injection cavity 3 for injection molding to form a hole site, and further after injection molding, a fiber reinforced resin part with the hole site can be directly obtained, so that a plurality of working procedures are avoided, and the processing efficiency is improved; meanwhile, the hole site is integrally injection molded, so that the design position and molding precision of the hole site can be well controlled.
In this embodiment, the fiber reinforced resin injection mold further includes a first pushing device and a second pushing device, where the first pushing device is connected to the first movable row position 7, and the second pushing device is connected to the second movable row position 6.
In this embodiment, the first pushing device is a first hydraulic cylinder 5, the first hydraulic cylinder 5 is embedded in the first mold 1, and the first hydraulic cylinder 5 is connected to the first movable row 7.
And the first movable row position 7 is driven to move forwards and backwards through the first hydraulic oil cylinder 5.
In this embodiment, the second pushing device includes a second hydraulic cylinder 10 and an inclined top block 8, where the second hydraulic cylinder 10 is disposed on a side wall of the second mold 2, the inclined top block 8 is disposed in the second mold 2 in a manner that it can be displaced back and forth, the second hydraulic cylinder 10 is connected to the inclined top block 8, one end of the second movable row position 6, which deviates from the first movable row position 7, is an inclined plane, and the inclined plane abuts against the inclined top block 8.
The second hydraulic cylinder 10 drives the oblique jacking block 8 to move forwards and backwards, and the oblique jacking block 8 drives the second movable row position 6 to move forwards and backwards.
In this embodiment, a thimble for ejecting the injection product is disposed in the first mold 1.
The embodiment of the invention also provides a fiber reinforced resin injection molding method, which adopts the fiber reinforced resin injection mold as described above and comprises the following operation steps:
placing the fiber cloth 11 in a second mold 2, and closing the first mold 1 and the second mold 2;
driving the first movable row position 7 to move to a first position, driving the second movable row position 6 to move to a third position, and connecting the first movable row position 7 with the second movable row position 6 to cut holes of the fiber cloth 11 in the injection cavity 3;
The first movable line position 7 is driven to move from a first position to a second position, the first movable line position 7 is driven to move to the blanking port 9, the second movable line position 6 is driven to move from a third position to a fourth position, the first movable line position 7 is separated from the second movable line position 6, and the first movable line position 7 pushes waste materials cut by the hole sites of the fiber cloth 11 to fall from the blanking port 9;
The first movable row position 7 is driven to return to a first position, the second movable row position 6 is driven to return to a third position, the first movable row position 7 and the second movable top block occupy an opening area 4 of the injection molding cavity 3, resin is injected into the injection molding cavity 3 through an injection runner, and a hole site of a product after injection molding is formed at the joint position of the first movable row position 7 and the second movable top block.
In this embodiment, the fiber cloth 11 is a fibrilia cloth 11.
In other embodiments, the fiber cloth 11 may be made of glass fiber, carbon fiber, nylon fiber, or the like.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (7)
1. The fiber reinforced resin injection mold is characterized by comprising a first mold, a second mold, a first movable row position and a second movable row position, wherein the first mold and the second mold can be mutually close to each other or are mutually separated, after the first mold and the second mold are mutually closed, an injection cavity for placing fiber cloth and injecting resin is formed between the first mold and the second mold in a surrounding manner, a glue injection runner is arranged in the first mold and is communicated with the injection cavity, an opening area is arranged on the injection cavity corresponding to a position on the fiber cloth to be subjected to opening treatment, and the first movable row position can be movably arranged in the first mold back and forth at a first position and a second position; the second movable row position can be arranged in the second die in a back-and-forth moving way at a third position and a fourth position; the second die is provided with a blanking port at the middle position of the stroke of the second movable row position, and the blanking port is communicated to the outer wall of the second die; the first movable row position and the second movable row position can be mutually jointed and mutually separated and are arranged in the open hole area; when the first die and the second die are closed, the first movable position is located at a first position, the second movable position is located at a third position, the first movable position is connected with the second movable position, a cutting tool is arranged at the connection position of the first movable position and the second movable position and is used for cutting holes of fiber cloth in the injection cavity, when the first movable position moves from the first position to the second position, the first movable position moves to the blanking port, the second movable position moves from the third position to a fourth position, the first movable position and the second movable position are separated, and waste materials after the cutting of the fiber cloth holes are pushed by the first movable position to fall from the blanking port; when the first movable row position returns to the first position, the second movable row position returns to the third position, and the first movable row position and the second movable top block occupy an open area of the injection cavity for injection molding to form a hole site.
2. The fiber reinforced resin injection mold of claim 1, further comprising a first pushing device and a second pushing device, wherein the first pushing device is connected to the first movable row and the second pushing device is connected to the second movable row.
3. The fiber reinforced resin injection mold of claim 2, wherein the first pushing device is a first hydraulic cylinder, the first hydraulic cylinder is embedded in the first mold, and the first hydraulic cylinder is connected with the first movable row position.
4. The fiber reinforced resin injection mold of claim 2, wherein the second pushing device comprises a second hydraulic cylinder and an inclined top block, the second hydraulic cylinder is arranged on the side wall of the second mold, the inclined top block is arranged in the second mold in a front-back displacement manner, the second hydraulic cylinder is connected with the inclined top block, one end, deviating from the first movable row position, of the second movable row position is an inclined plane, and the inclined plane is abutted against the inclined top block.
5. The fiber reinforced resin injection mold of claim 1, wherein the first mold has pins for ejecting the injection molded product.
6. A method for injection molding a fiber reinforced resin, characterized by using the fiber reinforced resin injection mold according to any one of claims 1 to 5, comprising the steps of:
placing the fiber in a second mold, and closing the first mold and the second mold;
Driving the first movable row position to move to a first position, driving the second movable row position to move to a third position, and jointing the first movable row position with the second movable row position to cut holes of the fiber cloth in the injection cavity;
Driving the first movable line position to move from a first position to a second position, driving the first movable line position to move to the blanking port, driving the second movable line position to move from a third position to a fourth position, separating the first movable line position from the second movable line position, and pushing the waste cut by the fiber cloth hole position to fall from the blanking port by the first movable line position;
The first movable row position is driven to return to a first position, the second movable row position is driven to return to a third position, the first movable row position and the second movable top block occupy an opening area of the injection molding cavity, resin is injected into the injection molding cavity through the glue injection runner, and the joint positions of the first movable row position and the second movable top block form a hole site of a product after injection molding.
7. The method of injection molding a fiber reinforced resin according to claim 6, wherein the fiber cloth is a fibrilia cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210647139.XA CN115071168B (en) | 2022-06-09 | 2022-06-09 | Fiber reinforced resin injection mold and injection molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210647139.XA CN115071168B (en) | 2022-06-09 | 2022-06-09 | Fiber reinforced resin injection mold and injection molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115071168A CN115071168A (en) | 2022-09-20 |
| CN115071168B true CN115071168B (en) | 2024-04-30 |
Family
ID=83251330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210647139.XA Active CN115071168B (en) | 2022-06-09 | 2022-06-09 | Fiber reinforced resin injection mold and injection molding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115071168B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210415326U (en) * | 2019-07-25 | 2020-04-28 | 广州中誉精密模具有限公司 | Car grill injection mold |
| CN112848389A (en) * | 2020-12-21 | 2021-05-28 | 中南大学 | Method for rapidly forming hybrid fiber reinforced thermoplastic composite structure |
-
2022
- 2022-06-09 CN CN202210647139.XA patent/CN115071168B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210415326U (en) * | 2019-07-25 | 2020-04-28 | 广州中誉精密模具有限公司 | Car grill injection mold |
| CN112848389A (en) * | 2020-12-21 | 2021-05-28 | 中南大学 | Method for rapidly forming hybrid fiber reinforced thermoplastic composite structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115071168A (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8641399B2 (en) | Injection molding system having a digital displacement pump | |
| CN102202862A (en) | Method for producing injection molded product and injection molding die | |
| CN210552843U (en) | Clamping mechanism of injection molding machine | |
| DE102004027849A1 (en) | drive unit | |
| CN115071168B (en) | Fiber reinforced resin injection mold and injection molding method | |
| US9694557B2 (en) | Plastic component with a complex and bifurcated structure | |
| CN107010016A (en) | Windscreen wiper arm assembly | |
| CN88101069A (en) | Mold clamping device | |
| DE102004027279A1 (en) | drive unit | |
| CN1282536C (en) | Preinjection, injection hydraulic return passage of injection machine | |
| CN211276473U (en) | Double-oil-cylinder core-pulling structure and die | |
| CN211389984U (en) | Six-way pipe forming die with transverse core-pulling and reverse-diagonal-rod demoulding mechanism | |
| CN210525761U (en) | Internal circulation mold closing device | |
| CN101249710B (en) | Injection mechanism of injection machine | |
| CN106696215A (en) | Mold locking device of injection sampling machine and mold thereof | |
| CN219152420U (en) | Servo injection seat for small-sized die spotting machine | |
| CN220198437U (en) | Mould inscribing device | |
| CN215203279U (en) | Injection mold capable of automatically cutting off side gate in mold | |
| CN220297723U (en) | Handle sleeve mold | |
| CN220180036U (en) | Injection mold with long-stroke helical tooth sliding block structure | |
| CN214353894U (en) | Injection mold for producing automotive upholstery | |
| CN210552846U (en) | Sequential opening and closing mechanism of die | |
| CN220499808U (en) | Side glue injection mold | |
| CN212124067U (en) | Automatic shearing mechanism for injection molding large nozzle | |
| CN212979070U (en) | Bullet piece stop gear and injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |