CN111572065A - Improved glue injection mold for fiber woven winding pultrusion pipeline - Google Patents
Improved glue injection mold for fiber woven winding pultrusion pipeline Download PDFInfo
- Publication number
- CN111572065A CN111572065A CN202010588028.7A CN202010588028A CN111572065A CN 111572065 A CN111572065 A CN 111572065A CN 202010588028 A CN202010588028 A CN 202010588028A CN 111572065 A CN111572065 A CN 111572065A
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- section
- glue injection
- glue
- injecting glue
- injecting
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- 239000003292 glue Substances 0.000 title claims abstract description 156
- 238000002347 injection Methods 0.000 title claims abstract description 114
- 239000007924 injection Substances 0.000 title claims abstract description 114
- 239000000835 fiber Substances 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 title claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 abstract description 13
- 229920005989 resin Polymers 0.000 abstract description 13
- 241000215510 Microstoma <fungus> Species 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/526—Pultrusion dies, e.g. dies with moving or rotating parts
-
- 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
- B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C2037/90—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an improved winding pultrusion pipeline injecting glue mould is woven to fibre, includes a mould body, the mould body sets up an injecting glue die cavity on along its axis, the injecting glue die cavity includes import section, injecting glue section and export section, the injecting glue section forms the toper throat form, and the macrostoma end of this injecting glue section is equipped with an injecting glue hole, the macrostoma end of injecting glue section through a toper section with the import section is connected, the front end of toper section is the macrostoma end, and the rear end is the macrostoma end, the microstoma end of injecting glue section with the export section is connected, the well rear end of injecting glue section is close to its microstoma end department and is equipped with an overflow hole. The glue injection mold can enable the excessive resin liquid to flow along the flowing direction and the core mold advancing direction and flow out from the overflow hole, thereby preventing glue injection failure and ensuring smooth glue injection.
Description
Technical Field
The invention relates to a glue injection mold, in particular to an improved glue injection mold for a fiber woven winding pultrusion pipeline.
Background
The utility model with the publication number of CN 209666321U is a glue injection mold for fiber woven pultrusion pipelines, which is filed by the applicant and comprises a mold body, the mould main body is provided with a glue injection mould cavity along the axis thereof, the glue injection mould cavity comprises an inlet section, an overflow section, a glue injection section and an outlet section, the inlet section and the overflow section are both in a conical necking shape, the inlet section is connected with the overflow section through a first circular through hole section, the bottom of the large opening end of the overflow section is provided with an overflow hole, the glue injection section is also in a conical necking shape, the glue injection section is connected with the overflow section through a circular through hole section II, a glue injection hole is arranged at the top of the large opening end of the glue injection section, the outlet section is in a circular through hole shape, and the inner diameter of the circular through hole section II is equal to that of the circular through hole section I, but smaller than that of the outlet section.
The glue injection mold can prevent resin from leaking and dripping from the glue injection mold, and greatly saves resin raw materials. When the glue injection mold cavity injects glue, most of the resin flows along one side of the glue injection section, and a small part of the resin flows along the overflow section. And redundant resin in the injecting glue section reversely flows along the direction of the overflow section under the action of the conical necking of the injecting glue section, but because the inner diameter of the circular through hole section II between the connecting injecting glue section and the overflow section is smaller than the front end of the injecting glue section, the redundant resin can not timely flow into the overflow section easily, and the injecting glue effect of the guide pillar is poor or the guide pillar breaks down. Therefore, an improved fiber weaving and winding pultrusion pipeline glue injection mold is provided.
Disclosure of Invention
The invention provides an improved fiber-woven winding pultrusion pipeline glue injection mold, which aims to overcome the defects that redundant resin in the glue injection mold cannot flow into an overflow section in time, the glue injection effect of a guide pillar is poor or a fault occurs and the like.
The invention adopts the following technical scheme:
the utility model provides an improved winding pultrusion pipeline injecting glue mould is woven to fibre, includes a mould body, the mould body sets up an injecting glue die cavity on along its axis, the injecting glue die cavity includes import section, injecting glue section and export section, the injecting glue section forms the toper throat form, and the macrostoma end of this injecting glue section is equipped with an injecting glue hole, the macrostoma end of injecting glue section through a toper section with the import section is connected, the front end of toper section is the macrostoma end, and the rear end is the macrostoma end, the microstoma end of injecting glue section with the export section is connected, the well rear end of injecting glue section is close to its microstoma end department and is equipped with an overflow hole.
Further, a injecting glue device of injecting glue jogged joint, the injecting glue device includes the injecting glue jar body, injecting glue pump and injecting glue pipe, the injecting glue jar body passes through the injecting glue pipe with the injecting glue jogged joint, the injecting glue pump install in on the injecting glue pipe.
Furthermore, a pressure sensor is installed at the position of the overflow hole, the overflow hole is connected with a return pipe through a solenoid valve switch, the pressure sensor is respectively in control connection with the solenoid valve switch, and the return pipe is connected into the glue injection tank body.
Further, this injecting glue mould still includes the PLC controller, the PLC controller respectively with the pump of injecting glue, pressure-sensitive transducer and solenoid valve switch pass through signal control and are connected.
Furthermore, the front end of the inlet section forms a conical flaring shape, the rest part of the inlet section is in a circular through hole shape, the outlet section is also in a circular through hole shape, and the inner diameter of the outlet section is larger than that of the circular through hole of the inlet section.
Further, the length of injecting glue section is 450mm at least.
Furthermore, a constant temperature cavity is arranged in the die body and covers the outside of the glue injection die cavity.
The die body is composed of an upper die plate and a lower die plate, the upper die plate is connected with the lower die plate through a fastener, the lower portion of the upper die plate and the upper portion of the lower die plate are respectively provided with an injection slot body, and the two injection slot bodies form the injection die cavity.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the glue injection mold, the conical section is arranged between the inlet section and the glue injection section, the conical section can limit resin from flowing out to one end of the inlet section, the overflow hole is formed in the position, close to the small opening end, of the rear end of the glue injection section, excess resin liquid can flow along the flowing direction and the core mold advancing direction and flow out of the overflow hole, glue injection faults are prevented, and smooth glue injection is guaranteed.
2. The glue injection mold further comprises a PLC controller, and the PLC controller is connected with the pressure sensor, the electromagnetic valve switch and the glue injection pump in a control mode, wherein the pressure sensor is arranged at the overflow hole and used for sensing the pressure inside the glue injection mold cavity, the pressure sensor transmits a pressure sensing signal to the PLC controller, and when the pressure is too high, the PLC controller controls the electromagnetic valve switch to be opened to discharge redundant resin inside, so that the pressure of the resin is reduced to be within a normal glue injection pressure range; when the pressure is too small, the PLC controls the glue injection pump to increase the glue injection amount, so that the pressure inside the glue injection mold cavity is increased to be within a normal glue injection pressure range. Therefore, the glue injection mold can realize automatic control of the internal pressure of the glue injection mold cavity, so that the pressure is maintained in a normal glue injection pressure range, smooth glue injection is ensured, and the glue injection efficiency and the glue injection quality are improved.
3. The glue injection mold is provided with the constant temperature cavity, and the inside of the glue injection mold cavity is kept at a constant temperature of about 15-20 ℃, so that the glue injection effect is ensured.
Drawings
Fig. 1 is a right side view of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is a schematic view of the installation of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.
The utility model provides an improved fibre is woven winding pultrusion pipeline injecting glue mould, refers to fig. 1 and 2, includes a mould body, the mould body comprises cope match-plate pattern 10 and lower bolster 20, cope match-plate pattern 10 with connect through the fastener between the lower bolster 20, an injecting glue cell body 100 is seted up respectively to cope match-plate pattern 10 lower part with lower bolster 20 upper portion, and two injecting glue cell bodies 100 sealing connection constitute an injecting glue die cavity. The mould body is internally provided with a constant temperature cavity 200, the constant temperature cavity 200 is coated outside the glue injection mould cavity, and the inside of the glue injection mould cavity is insulated to keep the temperature constant at about 15-20 ℃, so that the glue injection effect is ensured.
Referring to fig. 2, the compound injection mold cavity comprises an inlet section 31, a compound injection section 33 and an outlet section 35, the compound injection section 33 forms a conical necking shape, and the length of the compound injection section 33 is at least 450 mm. The big-mouth end of the glue injection section 33 is provided with a glue injection hole 331, the big-mouth end of the glue injection section 33 is connected with the inlet section 31 through a conical section 32, the front end of the conical section 32 is a small-mouth end, the rear end of the conical section is a big-mouth end, the small-mouth end of the glue injection section 33 is connected with the outlet section 35, and the middle-rear end of the glue injection section 33, which is close to the small-mouth end thereof, is provided with an overflow hole 332.
Referring to fig. 2, the front end of the inlet section 31 forms a tapered flared shape so that the core mold with the woven and wound fibers enters the cavity of the glue injection mold, the rest is in a circular through hole shape, the tail end of the inlet section 31 is in butt joint with the small-mouth end of the tapered section, and the large-mouth end of the tapered section 32 is in butt joint with the large-mouth end of the glue injection section 33. The outlet section 35 is also circular through hole-shaped, and the inner diameter of the outlet section 35 is slightly larger than that of the circular through hole of the inlet section 31.
Referring to fig. 3, the glue injection hole 331 is connected to a glue injection device, the glue injection device includes a glue injection tank 41, a glue injection pump 42 and a glue injection pipe 43, the glue injection tank 41 is connected to the glue injection hole 331 through the glue injection pipe 43, and the glue injection pump 42 is installed on the glue injection pipe 43.
Referring to fig. 3, a pressure sensor 51 is installed at the overflow hole 332, the overflow hole 51 is connected to a return pipe 53 through a solenoid valve switch 52, the pressure sensors 51 are respectively connected to the solenoid valve switch 52 in a control manner, and the return pipe 53 is connected to the inside of the glue injection tank 41.
The glue injection mold further comprises a PLC (programmable logic controller) 60, wherein the PLC 60 is respectively connected with the glue injection pump 42, the pressure sensor 51 and the electromagnetic valve switch 52 in a signal control mode. When the pressure is too high, the PLC 60 sends an opening signal to the electromagnetic valve switch 52, the electromagnetic valve switch 52 is opened after receiving the signal, and redundant resin in the electromagnetic valve switch is discharged, so that the pressure of the electromagnetic valve switch is reduced to be within a normal glue injection pressure range; when the pressure is too small, the PLC controller 60 sends a glue injection quantity increasing signal to the glue injection pump 42, and the glue injection pump 42 increases the glue injection quantity after receiving the signal, so that the pressure inside the glue injection mold cavity is increased to a normal glue injection pressure range, and the automatic control of the pressure inside the glue injection mold cavity is realized.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (8)
1. The utility model provides a winding pultrusion pipeline injecting glue mould is woven to modified fibre, includes a mould body, set up an injecting glue die cavity on its axis along the mould body, the injecting glue die cavity includes import section, injecting glue section and export section, the injecting glue section forms the taper mouth form, and the macrostoma end of this injecting glue section is equipped with an injecting glue hole, its characterized in that: the big mouth end of the glue injection section is connected with the inlet section through a conical section, the front end of the conical section is a small mouth end, the rear end of the conical section is a big mouth end, the small mouth end of the glue injection section is connected with the outlet section, and an overflow hole is formed in the middle rear end of the glue injection section, close to the small mouth end of the glue injection section.
2. The improved fiber woven winding pultrusion pipe glue injection mold as claimed in claim 1, wherein: the glue injection device is connected with the glue injection hole and comprises a glue injection tank body, a glue injection pump and a glue injection pipe, the glue injection tank body is connected with the glue injection hole through the glue injection pipe, and the glue injection pump is installed on the glue injection pipe.
3. The improved fiber woven winding pultrusion pipe glue injection mold as claimed in claim 2, wherein: the pressure sensor is respectively connected with the electromagnetic valve switch in a control way, and the return pipe is connected into the glue injection tank body.
4. The improved fiber woven winding pultrusion pipe glue injection mold as claimed in claim 3, wherein: the glue injection pump is characterized by further comprising a PLC, wherein the PLC is respectively in signal control connection with the glue injection pump, the pressure sensor and the electromagnetic valve switch.
5. The improved fiber woven winding pultrusion pipe glue injection mold as claimed in claim 1, wherein: the front end of the inlet section is in a conical flaring shape, the rest part of the inlet section is in a circular through hole shape, the outlet section is also in a circular through hole shape, and the inner diameter of the outlet section is larger than that of the circular through hole of the inlet section.
6. The improved fiber woven winding pultrusion pipe glue injection mold as claimed in claim 1, wherein: the length of injecting glue section is 450mm at least.
7. The glue injection mold for fiber woven pultrusion pipelines as claimed in claim 1, wherein: the mould body is internally provided with a constant temperature cavity which is coated outside the glue injection mould cavity.
8. The glue injection mold for fiber woven pultrusion pipelines as claimed in claim 1, wherein: the die body is composed of an upper die plate and a lower die plate, the upper die plate is connected with the lower die plate through a fastener, the lower portion of the upper die plate and the upper portion of the lower die plate are respectively provided with an injection slot body, and the two injection slot bodies form the injection die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588028.7A CN111572065B (en) | 2020-06-24 | Improved fiber braiding winding pultrusion pipeline glue injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588028.7A CN111572065B (en) | 2020-06-24 | Improved fiber braiding winding pultrusion pipeline glue injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111572065A true CN111572065A (en) | 2020-08-25 |
| CN111572065B CN111572065B (en) | 2024-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232332A (en) * | 2021-03-31 | 2021-08-10 | 万美通管业(杭州)股份有限公司 | Improved glue injection mold for fiber woven winding pultrusion pipeline |
| CN113799414A (en) * | 2021-09-01 | 2021-12-17 | 上海复合材料科技有限公司 | Large-scale grid cylinder and vacuum-assisted RTM (resin transfer molding) method thereof |
| CN115122676A (en) * | 2022-06-29 | 2022-09-30 | 中复碳芯电缆科技有限公司 | Fiber composite material forming device and process |
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| JP2007230175A (en) * | 2006-03-03 | 2007-09-13 | Toyota Industries Corp | Manufacturing method of fiber reinforced resin molded article |
| CN101913254A (en) * | 2010-07-21 | 2010-12-15 | 高宝安 | Vertical pultrusion process and device of multilayer fiber composite laminated section bar |
| CN104999676A (en) * | 2015-07-30 | 2015-10-28 | 南京海拓复合材料有限责任公司 | Injection type two-component epoxy pultrusion glue-injection system |
| CN206644216U (en) * | 2017-02-09 | 2017-11-17 | 中山市高远精密模具有限公司 | A kind of silica gel bent pipe mold |
| DE102017215693A1 (en) * | 2017-09-06 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Pultrusion tool and method for producing a fiber-reinforced profile component |
| CN209111558U (en) * | 2018-11-21 | 2019-07-16 | 常州市新创智能科技有限公司 | A kind of double sliding slot pultrusion dies of carbon fiber |
| CN110757845A (en) * | 2019-11-27 | 2020-02-07 | 湖州守真新材料科技有限公司 | Equipment and method for preparing continuous fiber reinforced composite material |
| CN212422249U (en) * | 2020-06-24 | 2021-01-29 | 福建省华辰管业科技有限公司 | Improved glue injection mold for fiber woven winding pultrusion pipeline |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230175A (en) * | 2006-03-03 | 2007-09-13 | Toyota Industries Corp | Manufacturing method of fiber reinforced resin molded article |
| CN101913254A (en) * | 2010-07-21 | 2010-12-15 | 高宝安 | Vertical pultrusion process and device of multilayer fiber composite laminated section bar |
| CN104999676A (en) * | 2015-07-30 | 2015-10-28 | 南京海拓复合材料有限责任公司 | Injection type two-component epoxy pultrusion glue-injection system |
| CN206644216U (en) * | 2017-02-09 | 2017-11-17 | 中山市高远精密模具有限公司 | A kind of silica gel bent pipe mold |
| DE102017215693A1 (en) * | 2017-09-06 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Pultrusion tool and method for producing a fiber-reinforced profile component |
| CN209111558U (en) * | 2018-11-21 | 2019-07-16 | 常州市新创智能科技有限公司 | A kind of double sliding slot pultrusion dies of carbon fiber |
| CN110757845A (en) * | 2019-11-27 | 2020-02-07 | 湖州守真新材料科技有限公司 | Equipment and method for preparing continuous fiber reinforced composite material |
| CN212422249U (en) * | 2020-06-24 | 2021-01-29 | 福建省华辰管业科技有限公司 | Improved glue injection mold for fiber woven winding pultrusion pipeline |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232332A (en) * | 2021-03-31 | 2021-08-10 | 万美通管业(杭州)股份有限公司 | Improved glue injection mold for fiber woven winding pultrusion pipeline |
| CN113799414A (en) * | 2021-09-01 | 2021-12-17 | 上海复合材料科技有限公司 | Large-scale grid cylinder and vacuum-assisted RTM (resin transfer molding) method thereof |
| CN113799414B (en) * | 2021-09-01 | 2023-08-22 | 上海复合材料科技有限公司 | Large grid cylinder and vacuum-assisted RTM (real time kinematic) forming method thereof |
| CN115122676A (en) * | 2022-06-29 | 2022-09-30 | 中复碳芯电缆科技有限公司 | Fiber composite material forming device and process |
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