CN111152477A - Frame-type barrel winding forming die - Google Patents
Frame-type barrel winding forming die Download PDFInfo
- Publication number
- CN111152477A CN111152477A CN202010052122.0A CN202010052122A CN111152477A CN 111152477 A CN111152477 A CN 111152477A CN 202010052122 A CN202010052122 A CN 202010052122A CN 111152477 A CN111152477 A CN 111152477A
- Authority
- CN
- China
- Prior art keywords
- frame
- middle section
- supporting
- forming die
- shell plate
- 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
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
- B29C70/30—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
- B29C70/32—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 on a rotating mould, former or core
-
- 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
-
- 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
Abstract
The invention discloses a frame type barrel winding forming die which comprises a frame type middle section, wherein two ends of the frame type middle section are respectively connected with symmetrically arranged seal heads, a central spindle is arranged at the center of each seal head, a middle section shell plate is connected to the outer surface of the frame type middle section, and a seal head shell plate is arranged on each seal head. The winding die adopts a structural form without a middle mandrel, so that the dead weight is greatly reduced, and the rigidity of the shell is increased by adopting the supporting frames at two sides for supporting. The mould shell adopts a split structure, and is easy to assemble and internally disassemble. Meanwhile, a frame type middle section structure is adopted in the shell, the ring frame and the longitudinal ribs are connected and positioned through the positioning holes in the ring frame, and the shell plate is connected with the ring frame through bolts, so that the self rigidity of the shell plate and the rigidity of a winding mold are greatly improved, and the installation process is simplified. The invention can realize the winding forming process of the cylinder with large length and large diameter.
Description
Technical Field
The invention relates to the technical field of mechanical forming, in particular to a frame type barrel winding forming die.
Background
Compared with the traditional cylinder, the cylinder wound by the composite material has the characteristics of low weight and high strength as a novel material and a process cylinder, so that the cylinder wound by the composite material gradually replaces a metal cylinder to be used as a main research and production direction of an aerospace cylinder. The manufacturing method of the composite material cylinder body is that the fiber is wound and solidified on the existing forming die at a certain angle, so that the cylinder body winding forming die becomes a key factor for successfully manufacturing the cylinder body.
At present, most of large-sized cylinder winding forming dies adopt a traditional mandrel structural form, namely, a forming die is provided with a main shaft penetrating through front and rear seal heads as a main bearing structure, and front and rear shell plates and a cylindrical section shell plate of the cylinder connect the shell plates and the mandrel through structural forms such as supporting ribs or supporting frames. The penetrating main shaft structure has a small diameter and a large self weight, and has a limited effect on improving the rigidity in the overall rigidity design of the die, so that certain deformation influence can be generated on the subsequent forming quality of a product. Along with the gradual demand of the ultra-large cylinder, the traditional mandrel structure mode cannot meet the design requirement, and the ultra-large cylinder winding mold which has high rigidity, low self weight and easy assembly is imperative to design.
Based on this, the present application was made.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a frame type barrel winding forming die which is used for structural forming of a large composite material winding barrel, and has light dead weight and strong rigidity.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a frame-type barrel winding forming die, includes the frame-type middle section, the both ends in frame-type middle section are connected with the head that the symmetry set up respectively, the center department of head is provided with the dabber, the surface in frame-type middle section is connected with the middle section coverboard, be equipped with the head coverboard on the head.
The working principle is that before the use, the mandrels at the front end and the rear end are fixed on a winding machine or a supporting seat, the end sockets are installed through the positioning devices, the end socket shell plates are installed on the front end and the rear end of the end sockets through bolts, the frame type middle section is connected with the end sockets, and the middle section shell plates are fixed. After the forming die is installed, the shell plate can be wrapped by fragile and fusible substances such as hemp ropes, gypsum, paraffin and the like and is used for demoulding after the winding of the cylinder body is formed. And winding the composite material on the forming die by a winding machine according to the technical parameters of the related design winding angle, the winding tension and the like, and pressurizing and curing the composite material together at high temperature. After the composite material cylinder is solidified, the mandrel is drawn out, and workers enter the cylinder through the mandrel seal head hole to remove the rest parts of the winding mandrel. The invention aims at the integral forming of the composite material winding barrel structure, effectively increases the rigidity of the mould under the condition of reducing the self weight of the winding mould, and provides the mould structure meeting the design requirement for the shaping of the final product. The invention has low dead weight, large rigidity, convenient and quick disassembly and assembly and low cost, and is suitable for mass production.
Furthermore, the frame-type middle section comprises a plurality of inner ring frames, and the inner ring frames are connected in series through a plurality of longitudinal ribs. The inner ring frame is provided with a positioning hole, and the longitudinal rib is arranged on the inner ring frame through the positioning hole on the inner ring frame to form a frame structure with the inner ring frame and the longitudinal rib.
Furthermore, the supporting frames are arranged inside the two ends of the frame type middle section, the mounting quantity of the supporting frames is determined according to actual needs and is connected to the studs of the inner ring frame through bolts, and overall rigidity is improved.
Furthermore, the support frame comprises a support outer ring and a support inner ring, the support outer ring is connected with the inner ring frame, and a plurality of support rods are arranged between the support outer ring and the support inner ring.
Furthermore, the support rods are radially and uniformly distributed along the circumferential direction of the support inner ring.
Furthermore, the head is still including installing support ring flange and head ring flange on the dabber, the both ends of frame-type middle section with support ring flange is connected, the head shell plate is connected the support disk ring flange with between the head ring flange. The end socket shell plate is of a split structure and is connected with a support flange plate through bolts, and the end socket flange plate is used for positioning the end socket and is used as a support of the end socket shell plate.
Furthermore, a plurality of inclined supports are arranged between the core shaft and the end socket shell plate, so that the overall rigidity is improved.
Furthermore, the inclined supports are radially and uniformly distributed along the axial direction of the mandrel, so that the overall rigidity is increased.
Furthermore, the middle section shell plate adopts a split structure, and all the segments are connected through T-shaped angle bars to form an integral structure, so that the assembly and disassembly are convenient.
In conclusion, the winding die disclosed by the invention adopts a structural form without a middle mandrel, so that the self weight is greatly reduced, and the rigidity of the shell is increased by adopting the supporting frames at two sides for supporting. The mould shell adopts a split structure, and is easy to assemble and internally disassemble. Meanwhile, a frame type middle section structure is adopted in the shell, the ring frame and the longitudinal ribs are connected and positioned through the positioning holes in the ring frame, and the shell plate is connected with the ring frame through bolts, so that the self rigidity of the shell plate and the rigidity of a winding mold are greatly improved, and the installation process is simplified. The invention can realize the winding forming process of the cylinder with large length and large diameter.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partially disassembled schematic view of the present invention;
FIG. 3 is a schematic view of the internal connection structure of the present invention;
FIG. 4 is an enlarged view of a portion of the shell plate connection of the present invention;
fig. 5 is a partial enlarged view of the closure of the present invention.
Description of the labeling: 1. a front head shell plate; 2. a rear head shell plate; 3. a mid-section shell plate assembly; 4. a front mandrel; 5. a rear mandrel; 6. a front seal head flange plate; 7. a rear end enclosure flange plate; 8. a front support flange; 9. the rear support flange plate; 10. a front support frame; 11. a rear support frame; 12. a support bar; 13. a support outer ring; 14. a support inner ring; 15. obliquely supporting; 31. an inner ring frame; 32. longitudinal ribs; 33. t-shaped angle section bars; 34. a middle shell plate.
Detailed Description
The embodiment of the frame-type cylinder winding mold according to the present invention will be further described with reference to fig. 1 to 5.
Referring to fig. 1 to 5, a frame-type cylinder winding mold comprises a front end enclosure shell plate 1, a rear end enclosure shell plate 2, a middle section shell plate 34, a front mandrel 4, a rear mandrel 5, a front end enclosure flange 6, a rear end enclosure flange 7, a front support flange 8, a rear support flange 9, a front support frame 10, and a rear support frame 11, wherein the middle section shell plate assembly 3 comprises an inner ring frame 31, longitudinal ribs 32, T-shaped angle bars 33, and the middle section shell plate 34. Firstly, fixing a front mandrel 4 and a rear mandrel 5 on a support, and respectively installing a front seal head flange 6, a rear seal head flange 7, a front support flange 8 and a rear support flange 9 on the front mandrel 4 and the rear mandrel 5 through positioning tools; the thin ends of a front end enclosure shell plate 1 and a rear end enclosure shell plate 2 are respectively arranged on a front end enclosure flange 6 and a rear end enclosure flange 7 through bolts, and the thick ends are respectively arranged on a front support flange 8 and a rear support flange 9 through bolts; penetrating the longitudinal ribs 32 through positioning holes of the inner ring frame 31, connecting the middle section shell plate 34 to the inner ring frame 31 through bolts, and connecting each lobe of the middle section shell plate 34 through a T-shaped angle 33 to form a middle section shell plate assembly 3; connecting shell plates at the front end and the rear end of the middle shell plate assembly 3 with a front support flange plate 8 and a rear support flange plate 9 respectively through bolts; in order to improve the overall rigidity of the middle shell plate assembly 3, a front supporting frame 10 and a rear supporting frame 11 can be installed in the middle shell plate assembly, the supporting frames are connected to studs of the inner ring frame 31 through bolts, and the number of the supporting frames can be determined and installed according to actual needs.
Preferably, in this embodiment, the support frame includes a support outer ring 13 and a support inner ring 14, the support outer ring 13 is connected to the inner ring frame 31, and a plurality of support rods 12 are disposed between the support outer ring 13 and the support inner ring 14.
In this embodiment, the support rods 12 are preferably uniformly distributed in a radial manner along the circumferential direction of the support inner ring 14.
Preferably, a plurality of inclined supports 15 are arranged between the mandrel and the end socket shell plate, so that the overall rigidity is increased.
Preferably, in this embodiment, the inclined struts 15 are uniformly distributed in a radial manner along the axial direction of the mandrel, so as to increase the overall rigidity.
The invention solves the problem of insufficient rigidity of the traditional large-scale cylinder winding mould, controls the rigidity of the mould to be 3.79mm, and optimizes the rigidity on the basis of the design requirement of 5 mm. The invention adopts a structure without a main shaft, namely an outer frame structure design which uses the support frames at the two ends and the support flange discs to support the shell plate, greatly reduces the dead weight of the whole die, and effectively improves the integral rigidity of the die because the support frames are positioned at the front and the rear of the die.
A frame type barrel winding forming die comprises the following preparation processes and methods:
(1) calculating the length, the diameter and the shell thickness of the front mandrel 4 and the rear mandrel 5 as well as the diameters of the inner ring frame 31 and the longitudinal ribs 32 according to the length, the diameter and the allowable deformation of the product;
(2) fixing a front mandrel 4 and a rear mandrel 5;
(3) respectively installing a front seal head flange 6 and a rear seal head flange 7 on a front mandrel 4 and a rear mandrel 5;
(4) respectively installing a front support flange plate 8 and a rear support flange plate 9 on a front mandrel 4 and a rear mandrel 5;
(5) mounting a front end enclosure shell plate 1 and a rear end enclosure shell plate 2, wherein one ends of the front end enclosure shell plate 1 and the rear end enclosure shell plate 2 are respectively connected with a front end enclosure flange 6 and a rear end enclosure flange 7 through bolts, and the other ends of the front end enclosure shell plate 1 and the rear end enclosure shell plate 2 are respectively connected with a front support flange plate 8 and a rear support flange plate 9;
(6) installing the longitudinal ribs 32 on the inner ring frame 31 through the positioning holes of the inner ring frame 31, and forming a frame structure by the inner ring frame 31 and the longitudinal ribs 32;
(7) the middle section shell plates 34 are connected with the inner ring frame 31 through bolts, and the middle section shell plates 34 are connected through T-shaped angle bars 33;
(8) the shell plate at the end part of the middle shell plate 34 is connected and positioned with the front support flange plate 8 and the rear support flange plate 9T-shaped flanging through bolts;
(9) support frame 10, back support frame 11 before middle section shell plate subassembly 3 is inside can install, and the support frame outside supports angle bar and is connected through the bolt with inside ring frame 31 stud.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a frame-type barrel winding forming die which characterized in that: the novel oil pipe sealing device comprises a frame type middle section, wherein two ends of the frame type middle section are respectively connected with sealing heads symmetrically arranged, a central spindle is arranged at the center of each sealing head, a middle section shell plate is connected to the outer surface of the frame type middle section, and a sealing head shell plate is arranged on each sealing head.
2. A frame-type cylinder winding forming die as claimed in claim 1, wherein: the frame type middle section comprises a plurality of inner ring frames, and the inner ring frames are connected in series through a plurality of longitudinal ribs.
3. A frame-type cylinder winding forming die as claimed in claim 2, wherein: and supporting frames are arranged inside two ends of the frame type middle section.
4. A frame-type cylinder winding forming die as claimed in claim 3, wherein: the supporting frame comprises a supporting outer ring and a supporting inner ring, the supporting outer ring is connected with the inner ring frame, and a plurality of supporting rods are arranged between the supporting outer ring and the supporting inner ring.
5. A frame-type barrel winding forming die of claim 4, wherein: the support rods are radially and uniformly distributed along the circumferential direction of the support inner ring.
6. A frame-type cylinder winding forming die as claimed in claim 1, wherein: the seal head is characterized by further comprising a supporting flange plate and a seal head flange plate which are arranged on the core shaft, the two ends of the frame type middle section are connected with the supporting flange plate, and the seal head shell plate is connected between the supporting flange plate and the seal head flange.
7. A frame-type cylinder winding forming die as claimed in claim 6, wherein: and a plurality of inclined supports are arranged between the core shaft and the end socket shell plate.
8. A frame-type cylinder winding forming die as claimed in claim 7, wherein: the inclined supports are uniformly distributed in a radial mode along the axial direction of the mandrel.
9. A frame-type cylinder winding forming die as claimed in claim 1, wherein: the middle section shell plate is of a split structure, and the lobes are connected through T-shaped angle bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052122.0A CN111152477A (en) | 2020-01-17 | 2020-01-17 | Frame-type barrel winding forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052122.0A CN111152477A (en) | 2020-01-17 | 2020-01-17 | Frame-type barrel winding forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111152477A true CN111152477A (en) | 2020-05-15 |
Family
ID=70564074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010052122.0A Pending CN111152477A (en) | 2020-01-17 | 2020-01-17 | Frame-type barrel winding forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111152477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650199A (en) * | 2021-07-01 | 2021-11-16 | 西北工业大学 | Split type composite material core mold for winding solid rocket engine shell |
-
2020
- 2020-01-17 CN CN202010052122.0A patent/CN111152477A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650199A (en) * | 2021-07-01 | 2021-11-16 | 西北工业大学 | Split type composite material core mold for winding solid rocket engine shell |
| CN113650199B (en) * | 2021-07-01 | 2023-06-13 | 西北工业大学 | Split type composite material core mold for winding solid rocket engine shell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105252751A (en) | Winding forming die for cylinder | |
| CN204398344U (en) | A kind of composite core formwork for making elongate composite motor body | |
| CN106256483B (en) | A kind of forward and reverse wheel rim production method and forward and reverse wheel rim | |
| CN104552991A (en) | De-molding device for large-length-diameter-ratio composite material thin wall pipe and de-molding method of de-molding device | |
| CN113650199B (en) | Split type composite material core mold for winding solid rocket engine shell | |
| CN211917768U (en) | Frame-type barrel winding forming die | |
| CN111152477A (en) | Frame-type barrel winding forming die | |
| CN110722810A (en) | Winding shell net size forming method | |
| CN104772909A (en) | Double-station twining mould for intermedium tube producing and manufacturing method for intermedium tube | |
| CN101486071A (en) | Technique and equipment for pouring flanged fitting combination | |
| CN211843284U (en) | Ultra-large type barrel winding forming die | |
| CN101576160B (en) | Method for processing and manufacturing pneumatic piston | |
| CN109201832A (en) | A kind of short mould rotary pressing moulding device | |
| CN111152476A (en) | Ultra-large type barrel winding forming die | |
| CN211843283U (en) | Net frame type barrel winding forming die | |
| CN103801676A (en) | Liquid-solid pressure formation device and method for thin-wall special-shaped parts made of Cf-Mg composite materials | |
| CN205185294U (en) | Barrel winding forming die | |
| CN113650200B (en) | Cementing tool for manufacturing split type composite material core mold | |
| CN111152475A (en) | Net frame type barrel winding forming die | |
| CN211614172U (en) | Forging die structure for deep-cavity thin-wall forge piece | |
| CN208294675U (en) | The Wrapping formed mold of birdcage rocket engine cast | |
| CN211467550U (en) | Glass fiber winding mandrel | |
| CN111502387A (en) | Concrete pole with hoop prestress and manufacturing method thereof | |
| CN110935835A (en) | Forging die structure for deep-cavity thin-wall forge piece | |
| CN212271776U (en) | Take hoop prestressing's concrete pole |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 312000 Building 2, Haitu jiuyiqiu, Binhai Industrial Zone, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Baojing Composite Technology Research and Development Co.,Ltd. Address before: 312000 Building 2, Haitu jiuyiqiu, Binhai Industrial Zone, Keqiao District, Shaoxing City, Zhejiang Province Applicant before: JINGGONG (SHAOXING) COMPOSITE TECHNOLOGY R & D CO.,LTD. |