CN113500738A - Process for machining R-arc blank - Google Patents
Process for machining R-arc blank Download PDFInfo
- Publication number
- CN113500738A CN113500738A CN202111013357.XA CN202111013357A CN113500738A CN 113500738 A CN113500738 A CN 113500738A CN 202111013357 A CN202111013357 A CN 202111013357A CN 113500738 A CN113500738 A CN 113500738A
- Authority
- CN
- China
- Prior art keywords
- needling
- prefabricated body
- core mold
- prefabricated
- arc
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title description 2
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1219—Foaming between a movable mould part and the preformed part
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
Abstract
The invention provides a process for processing an R-arc blank, which can be used for processing two products at a time, and can be used for cutting a prefabricated part into two parts after processing is finished, so that raw materials are saved, and the production efficiency is improved. The specific operation steps are as follows: a, designing a core mould which is arranged in an R arc mode at two axial ends, and manufacturing a profiling needling component according to the shape of a blank body, wherein the needling component comprises a middle straight section and two side inclined sections, and the two side inclined sections are respectively externally connected with an independent needling driving part; b, prefabricating the prefabricated body on the outer surface of the core mold; c, integrally moving the prefabricated body and the core mold to be right below the needling component; d, moving the prefabricated body to complete the needling operation of the needling component; and e, taking down the core mold and the prefabricated body, and cutting the ring surface of the axial central surface of the prefabricated body through a cutting knife to complete the separation operation of two prefabricated body products.
Description
Technical Field
The invention relates to the technical field of processing of foamed plates, in particular to a process for processing an R-arc blank.
Background
With the development of the preform technology, the preforms are widely applied to various products in the photovoltaic technical field and the aerospace technical field. Specifically, the prefabricated body is a product formed by laying/winding and needling a plurality of unit layers layer by layer, the unit layers specifically comprise a carbon cloth layer and a net tire layer, and carbon fibers on the net tire layer can be penetrated into the carbon cloth layer in the needling forming process to form a three-dimensional reticular structure reinforcement body with certain strength on the plane and between layers.
The existing preform processing equipment generally comprises a core mold assembly and a needling assembly, wherein the core mold assembly is used for fixing the preform and driving the preform to rotate, and the needling assembly is used for carrying out needling forming on the preform on the core mold assembly. In practical application, the preform body needs to be cut after being subjected to needling forming, and even though the cutting amount of different product types has slight difference, resource waste of different degrees is caused.
Prior art needling R arcs typically proceed in two ways. Firstly, the pricking pin reciprocates in a certain range, and cooperates with a pricking plate by adjusting the position (including the horizontal position and the height position, usually realized by the lifting and the angular deviation of a workbench) and the rotation of the blank body to realize the needling of the preform R; secondly, the mould rotates at a fixed position at a certain process speed, the needling plate performs needling along a radian direction in multiple sections according to the radian requirement of the preform body (the preform body keeps rotating in the needling process), wherein the needling surface is generally vertical to the tangent line of the radian.
The existing processes are single-piece production-grade needling operation, redundant parts are required to be cut off after a prefabricated body is manufactured, and raw materials are wasted seriously.
Disclosure of Invention
In order to solve the problems, the invention provides a process for processing an R-arc blank, which can be used for processing two products at a time, and can be used for cutting a prefabricated part into two parts after processing, so that raw materials are saved, and the production efficiency is improved.
A process for processing an R-arc blank is characterized by comprising the following specific operation steps:
a, designing a core mould which is arranged in an R arc mode at two axial ends, and manufacturing a profiling needling component according to the shape of a blank body, wherein the needling component comprises a middle straight section and two side inclined sections, and the two side inclined sections are respectively externally connected with an independent needling driving part;
b, prefabricating the prefabricated body on the outer surface of the core mold;
c, integrally moving the prefabricated body and the core mold to be right below the needling component;
d, moving the prefabricated body to complete the needling operation of the needling component;
and e, taking down the core mold and the prefabricated body, and cutting the ring surface of the axial central surface of the prefabricated body through a cutting knife to complete the separation operation of two prefabricated body products.
It is further characterized in that:
d, retracting the needling of the inclined section, driving the prefabricated body to move upwards by the core mold, enabling the non-R arc section of the core mold to be inserted in place by the needling of the flat section, then inserting the inclined section needling at two sides towards the R arc section of the prefabricated body under the driving of the driving part, retracting the needling of the inclined section again, then driving the prefabricated body by the core mold to move downwards to separate from the needling of the flat section at the middle part, and driving the prefabricated body to move upwards by the core mold again to repeat needling operation after rotating a set angle until the whole surface of the prefabricated body finishes needling;
before cutting is carried out through the cutting knife in the step e, the prefabricated body products on the two sides are supported through the auxiliary mechanical hand in advance, after cutting is finished, the prefabricated body products on the two sides are separated from the core mould through drawing action, and subsequent repeated operation of the core mould is facilitated;
and (b) respectively connecting the needling bodies of the inclined sections at the two sides in the step (a) with independent needling driving parts externally, and synchronously controlling the independent needling driving parts for a synchronous control mechanism to ensure synchronous retraction and needling operation of needling.
After the process is adopted, two identical symmetrical prefabricated products are prefabricated on the outer surface of the core mould at the same time, the core mould and the needling assembly are driven to perform needling on the surfaces of the prefabricated products, needling can be simultaneously performed on the two prefabricated product products through single needling operation, the two prefabricated product products can be separated through annular cutting on the axial central plane after needling, no redundant waste material is generated, the processing operation of the two prefabricated products can be performed at one time, the prefabricated bodies can be cut into two after processing is completed, raw materials are saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic block diagram of the structure of the process of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the core mould 10, the needling assembly 20, the middle straight section 21, the inclined section 22, the driving part 30, the prefabricated body 40 and the R arc section 41.
Detailed Description
A process for processing R-arc blank body is shown in figure 1, and the specific operation steps are as follows:
a, designing a core mould 10 which is arranged in an R arc mode at two axial ends, and manufacturing a profiling needling component according to the shape of a blank, wherein the needling component 20 comprises a middle straight section 21 and two side inclined sections 22, and the two side inclined sections 22 are respectively externally connected with an independent needling driving part 30;
b prefabricating a preform 40 on an outer surface of the core mold 10;
c moving the preform 40 and the core mold 10 integrally to just below the needling assembly 20;
d, moving the prefabricated body 40 to finish the needling operation of the needling assembly 20;
e, taking down the core mould 10 and the prefabricated body 40, and cutting the ring surface of the axial central surface of the prefabricated body 40 by a cutting knife to complete the separation operation of two prefabricated body products.
In the step d, the needling of the oblique section 22 is retracted, the core mold 10 drives the prefabricated body 40 to move upwards, so that the non-R arc section of the core mold 10 is inserted in place by the needling of the straight section 21, then the needling of the oblique sections 22 at two sides is inserted towards the R arc section 41 of the prefabricated body 40 under the driving of the driving part 30, then the needling of the oblique sections 22 is retracted again, then the core mold 10 drives the prefabricated body 40 to move downwards to be separated from the needling of the middle straight section 21, and after rotating for a set angle, the core mold drives the prefabricated body to move upwards again to repeat the needling operation until the whole surface of the prefabricated body 40 completes the needling; in specific implementation, the core mold 10 is configured to cover a 30-degree radian area once, and then the entire core mold 10 needs to be rotated 11 times (the number of rotations is not counted for the first time) to perform complete and comprehensive needling operation.
Before cutting is carried out through the cutting knife in the step e, the prefabricated body products on the two sides are supported through the auxiliary mechanical hand in advance, after cutting is finished, the prefabricated body products on the two sides are separated from the core mould 10 through drawing action, and subsequent repeated operation of the core mould is facilitated;
the needling bodies of the inclined sections 22 at two sides in the step a are respectively externally connected with an independent needling driving part 30, and the independent needling driving parts 30 are synchronous control mechanisms for synchronous control, so that synchronous retraction and needling operation of needling are ensured.
The structure of the core mold 10 includes the following two types: the other one is that the radian mould that corresponds is increased at the both ends of current straight cylinder mould, and the other one is that two are in the same specification R arc product mould straight mouthful butt joint together, and the mould butt joint can save the port cutting allowance of reserving after being in the same place, and the mould cavity is connected through the outside ring flange of dabber to the motion of control mould.
In specific implementation, the driving component 30 for independent needling is a linear cylinder, so that the corresponding needling action can be completed by ensuring that the piston end of the linear cylinder is ejected out or retracted in place.
The working principle is as follows: two identical symmetrical prefabricated products are prefabricated on the outer surface of the core mold at the same time, the core mold and the needling assembly are driven to perform needling on the surfaces of the prefabricated products, needling can be performed on two prefabricated product products at the same time through single needling operation, annular cutting is performed on an axial central plane after needling to separate the two prefabricated product products, redundant waste materials cannot be generated, the two prefabricated products can be processed at a single time, the prefabricated bodies are cut into two parts after processing is completed, raw materials are saved, and the production efficiency is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A process for processing an R-arc blank is characterized by comprising the following specific operation steps:
a, designing a core mould which is arranged in an R arc mode at two axial ends, and manufacturing a profiling needling component according to the shape of a blank body, wherein the needling component comprises a middle straight section and two side inclined sections, and the two side inclined sections are respectively externally connected with an independent needling driving part;
b, prefabricating the prefabricated body on the outer surface of the core mold;
c, integrally moving the prefabricated body and the core mold to be right below the needling component;
d, moving the prefabricated body to complete the needling operation of the needling component;
and e, taking down the core mold and the prefabricated body, and cutting the ring surface of the axial central surface of the prefabricated body through a cutting knife to complete the separation operation of two prefabricated body products.
2. The process for processing an R-arc blank according to claim 1, wherein: and d, retracting the needling of the inclined section, driving the prefabricated body to move upwards by the core mold, inserting the non-R arc section of the core mold into place by the needling of the flat section, driving the inclined section needling on two sides to insert towards the R arc section of the prefabricated body by the driving part, retracting the needling of the inclined section again, driving the prefabricated body to move downwards by the core mold to separate from the needling of the flat section in the middle, and driving the prefabricated body to move upwards by the core mold to repeat needling operation after rotating a set angle until the whole surface of the prefabricated body finishes needling.
3. The process for processing an R-arc blank according to claim 1, wherein: and e, before cutting by the cutting knife in the step e, supporting the prefabricated body products on the two sides by the auxiliary mechanical hand in advance, and after cutting, separating the prefabricated body products on the two sides from the core mould through drawing action so as to facilitate the core mould to perform subsequent repeated operation.
4. The process for processing an R-arc blank according to claim 1, wherein: and (b) respectively connecting the needling bodies of the inclined sections at the two sides in the step (a) with independent needling driving parts externally, and synchronously controlling the independent needling driving parts for a synchronous control mechanism to ensure synchronous retraction and needling operation of needling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013357.XA CN113500738A (en) | 2021-08-31 | 2021-08-31 | Process for machining R-arc blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013357.XA CN113500738A (en) | 2021-08-31 | 2021-08-31 | Process for machining R-arc blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113500738A true CN113500738A (en) | 2021-10-15 |
Family
ID=78016205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013357.XA Pending CN113500738A (en) | 2021-08-31 | 2021-08-31 | Process for machining R-arc blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113500738A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318684A (en) * | 2021-12-23 | 2022-04-12 | 山东江山纤维科技有限公司 | Crucible needling machine and control system thereof |
| CN115125670A (en) * | 2022-07-13 | 2022-09-30 | 江苏德晴新材股份有限公司 | Automatic production equipment for carbon-carbon composite material prefabricated body |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5226217A (en) * | 1990-12-03 | 1993-07-13 | Societe Europeenne De Propulsion | Installation for making needled fiber preforms for use in manufacturing parts made of composite material |
| CN1656270A (en) * | 2002-05-23 | 2005-08-17 | 马塞尔-布加蒂股份有限公司 | Method and system for the manufacture of annular fibrous preforms |
| CN106346635A (en) * | 2016-08-24 | 2017-01-25 | 苏州勤耘纤维集合体科技有限公司 | Preparation method of high-density rotating-type needling preform body |
| WO2018185384A1 (en) * | 2017-04-03 | 2018-10-11 | Coriolis Group | Method for producing composite material parts from preforms that are needled in the presence of a lubricant |
| CN109715376A (en) * | 2016-09-27 | 2019-05-03 | 科里奥利集团 | The method for producing composite material component by impregnating specific prefabrication |
| CN111636154A (en) * | 2020-06-16 | 2020-09-08 | 浙江星辉新材料科技股份有限公司 | Carbon fiber crucible acupuncture former |
| CN212582128U (en) * | 2020-06-16 | 2021-02-23 | 浙江星辉新材料科技有限公司 | Carbon fiber crucible needling forming equipment |
| CN113136654A (en) * | 2020-01-17 | 2021-07-20 | 隆基绿能科技股份有限公司 | Prefabricated part processing equipment |
-
2021
- 2021-08-31 CN CN202111013357.XA patent/CN113500738A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5226217A (en) * | 1990-12-03 | 1993-07-13 | Societe Europeenne De Propulsion | Installation for making needled fiber preforms for use in manufacturing parts made of composite material |
| CN1656270A (en) * | 2002-05-23 | 2005-08-17 | 马塞尔-布加蒂股份有限公司 | Method and system for the manufacture of annular fibrous preforms |
| CN106346635A (en) * | 2016-08-24 | 2017-01-25 | 苏州勤耘纤维集合体科技有限公司 | Preparation method of high-density rotating-type needling preform body |
| CN109715376A (en) * | 2016-09-27 | 2019-05-03 | 科里奥利集团 | The method for producing composite material component by impregnating specific prefabrication |
| WO2018185384A1 (en) * | 2017-04-03 | 2018-10-11 | Coriolis Group | Method for producing composite material parts from preforms that are needled in the presence of a lubricant |
| CN113136654A (en) * | 2020-01-17 | 2021-07-20 | 隆基绿能科技股份有限公司 | Prefabricated part processing equipment |
| CN111636154A (en) * | 2020-06-16 | 2020-09-08 | 浙江星辉新材料科技股份有限公司 | Carbon fiber crucible acupuncture former |
| CN212582128U (en) * | 2020-06-16 | 2021-02-23 | 浙江星辉新材料科技有限公司 | Carbon fiber crucible needling forming equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318684A (en) * | 2021-12-23 | 2022-04-12 | 山东江山纤维科技有限公司 | Crucible needling machine and control system thereof |
| CN115125670A (en) * | 2022-07-13 | 2022-09-30 | 江苏德晴新材股份有限公司 | Automatic production equipment for carbon-carbon composite material prefabricated body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113500738A (en) | Process for machining R-arc blank | |
| CN103522547B (en) | Numerically-controlled machine tool power-driven 3D (three dimensional) printing head component and method for manufacturing three-dimensional support | |
| CN106273440B (en) | High-precision rapid forming technology | |
| CN105755680A (en) | Robot needling device | |
| CN108995250B (en) | RTM forming die of composite material part with segmented rotary structure | |
| CN113927151B (en) | Characteristic friction stir material increase manufacturing method and equipment for reinforcing rib of thin-wall cylinder structure | |
| CN107914387A (en) | Carbon fibre reinforced composite structural member five degree of freedom 3D printing molding machine and method | |
| CN109572003A (en) | A kind of molding die and method for the formed in situ heat-barrier material component in bay section | |
| CN110526727B (en) | Ceramic matrix composite structure and preparation method thereof | |
| CN205653566U (en) | Robot acupuncture equipment | |
| US20220153452A1 (en) | Fabrication line, systems, and methods for fuselage sections | |
| CN103522548B (en) | Device and method for manufacturing artificial photosynthesis reactor based on rapid prototyping technology | |
| CN113564815A (en) | Needling equipment for preparing revolving body type needling prefabricated body | |
| CN104741526B (en) | Extra-large outer appearance sand mold and production process method | |
| CN202428613U (en) | Intra-die multi-station injection moulding machine | |
| EP4098430A1 (en) | Methods, devices, and systems for forming a composite structure using an expandable pallet | |
| CN103230994B (en) | Device and method for forming imprint of micro groove on shaft through stepping rolling | |
| CN212352606U (en) | Combined mould for manufacturing integral cylinder section | |
| CN111822576B (en) | Spinning method of hollow shaft with oil groove | |
| EP3957471A1 (en) | Fillers manufactured with additive manufacturing | |
| CN207105382U (en) | A kind of new type of cam impeller pump rubber rotor mould | |
| US11787133B2 (en) | Conveyor forming composite stringers | |
| JP2011046000A (en) | Method and apparatus for producing injection-molded article | |
| CN1672894A (en) | Making process of composite inserted mold lining | |
| EP4000910B1 (en) | Fabrication line, systems, and methods for fuselage sections |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211015 |
|
| RJ01 | Rejection of invention patent application after publication |