CN217777845U - VARI mould for forming inner grid reinforced shell structure workpiece - Google Patents
VARI mould for forming inner grid reinforced shell structure workpiece Download PDFInfo
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- CN217777845U CN217777845U CN202221920748.XU CN202221920748U CN217777845U CN 217777845 U CN217777845 U CN 217777845U CN 202221920748 U CN202221920748 U CN 202221920748U CN 217777845 U CN217777845 U CN 217777845U
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- 230000007246 mechanism Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 241000446313 Lamella Species 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 11
- 238000007493 shaping process Methods 0.000 abstract description 8
- 210000003205 muscle Anatomy 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000011825 aerospace material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a VARI mould for forming inner grid reinforced shell structure workpieces, which comprises a base and a mould body; the die body comprises a female die and a male die; the method is suitable for forming the grid structure with larger rib size, and can effectively solve the problems that the grid structure with large reinforcing ribs is difficult to pressurize and demold. The utility model discloses the mould is used repeatedly many times, and the grid adds the muscle structure in the shaping product, can guarantee violently indulges the certain size precision of muscle and position accuracy to can satisfy product thickness and homogeneity, the product quality uniformity is better, does benefit to the later stage assembly of product. The adopted assembled male die and split female die are suitable for forming high-performance grid structure products; the problem that the grid structure is difficult to demould is solved.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to grid adds VARI mould of muscle shell structure finished piece in the shaping.
Background
With the development of aerospace industry, especially the continuous improvement of the technological level of aerospace materials, the grid structure of the composite material is more and more widely applied. The most common die methods for forming the grids mainly comprise the following three methods: firstly, soft mould shaping, but soft mould shaping method also has its shortcoming, and product surface finish is poor, and the rib size is unstable, needs to split the soft mould after the product solidification, and the cost is higher, will be difficult to the drawing of patterns to the structure that the height/width ratio of rib is great simultaneously. The second method of grid formation is to use a rigid foam grooved mold scheme. Similar to the soft-mold method, the main disadvantage of this method is that the fiber content of the mesh nodes is up to 60% by volume, resulting in a fiber content of 50% at the nodes and only 30% at the non-node points of the ribs. At this fiber volume content, the performance of the lattice structure is much lower than that of a ply-cast composite structure. The third method is a hard mold method such as a metal mold. The disadvantages of the method are low fiber volume content, not too high rib height, high labor intensity and the like. But the advantages are also obvious, namely the product has good dimensional stability and high precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the weak point of prior art, provide the grid adds the VARI mould that adds muscle shell structure finished piece in the shaping.
The utility model provides a technical scheme of above-mentioned problem does: the VARI mould for forming the inner grid reinforced shell structure workpiece comprises a base and a mould body;
the die body comprises a female die and a male die;
the male die comprises a central shaft, a core die and a frame, wherein a central groove is formed in the center of the frame, the central shaft is coaxially connected in the central groove, the central shaft is connected with the frame through a plurality of groups of connecting mechanisms, and the plurality of groups of connecting mechanisms are uniformly arranged around the central shaft at equal intervals; the outer wall of the frame is provided with a first mounting groove, the core mold is sleeved in the first mounting groove and fixedly connected with the frame through screws, and the surface of the core mold is provided with a plurality of placing grooves for paving the prefabricated member;
the male die is supported on the base through a supporting mechanism, the supporting mechanism comprises two supporting plates, the supporting plates are fixedly connected to the base through bolts and are respectively arranged at the front end and the rear end of the base, V-shaped grooves are formed in the upper ends of the supporting plates, and two ends of the central shaft are respectively clamped in the V-shaped grooves of the two supporting plates;
the female die comprises a two-section female die assembly, the upper end of the two-section female die assembly is connected with the base in a sealing mode through a plurality of bolts, the lower end of the two-section female die assembly is connected with the base in a sealing mode through a plurality of bolts, the female die is arranged outside the core die, the front end and the rear end of the female die are connected with the base through end frames, the female die is connected with the end frames in a sealing mode through a plurality of bolts, the end frames are connected with frames of the male die in a sealing mode, and the end frames are connected with the base in a sealing mode through a plurality of bolts
A workpiece cavity is formed among the female die, the core die and the end frame, a glue inlet is formed in the outer wall of the female die, a glue outlet is formed in the base, and the glue inlet and the glue outlet are respectively communicated with the workpiece cavity.
Further, the frame is assembled by a plurality of assemblies, adjacent assemblies are connected through a plurality of connecting blocks, and the assemblies are connected with the connecting blocks through bolts.
Furthermore, each group of connecting mechanisms comprises a connecting rod and a first limiting block, the first limiting block is arranged on the inner wall of the central groove, the outer end of the connecting rod is provided with a first limiting groove, the first limiting groove is matched with the first limiting block in shape, the inner end of the connecting rod is provided with a second limiting block, the outer wall of the central shaft is provided with a second limiting groove, the second limiting groove is matched with the second limiting block in shape, the first limiting block is in limiting joint in the first limiting groove, and the second limiting block is in limiting joint in the second limiting groove.
Furthermore, the first limiting block and the second limiting block are of T-shaped structures.
The utility model discloses beneficial effect has:
the utility model provides a grid adds VARI mould of muscle shell structure finished piece in shaping is applicable to the great lattice structure of shaping rib size, can effectively solve the difficult problem of pressurization and drawing of patterns difficulty of jumbo size strengthening rib lattice structure. The utility model discloses the mould is used repeatedly many times, and the grid adds the muscle structure in the shaping product, can guarantee violently indulges the certain size precision of muscle and position accuracy to can satisfy product thickness and homogeneity, the product quality uniformity is better, does benefit to the later stage assembly of product. The adopted assembled male die and split female die are suitable for forming high-performance grid structure products; the problem that the grid structure is difficult to demould is solved.
Drawings
FIG. 1 is a schematic structural view of an article according to an embodiment;
fig. 2 is a schematic structural view of a VARI mold for forming an inner mesh reinforced shell structural article;
fig. 3 is a schematic view of the structure of the frame and the core mold;
FIG. 4 is a schematic structural view of the flipping platform;
in the figure: 1-manufacturing a workpiece; 2, female die; 3-end frame; 4-a support plate; 5-central axis; 6-core mold; 7-a frame; 8-connecting blocks; 9-a first limiting block, 10-a base.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, the molding inner grid reinforced shell structural part 1VARI mold comprises a base 10 and a mold body;
the die body comprises a female die 2 and a male die.
The male die comprises a central shaft 5, a core die 6 and a frame 7, wherein the frame 7 is formed by assembling a plurality of components, a central groove is formed in the center of the frame 7 formed by assembling the plurality of components, adjacent components are connected through a plurality of connecting blocks 8, and the components are connected with the connecting blocks 8 through bolts; the utility model discloses a solar water heater, including center pin 5, frame 7, first stopper 9, the outer end of connecting rod, first stopper 9, the spacing joint of first stopper 9 is at first spacing inslot, and the coaxial coupling of center pin 5 is connected through six coupling mechanism between center pin 5 and the frame 7, and six coupling mechanism evenly set up around center pin 5 equidistance, and every coupling mechanism of group includes connecting rod, first stopper 9 sets up on the inner wall of center slot, the outer end of connecting rod be equipped with first spacing groove, first spacing groove and the cooperation of the spacing block form of second, the spacing joint of first stopper 9 is at first spacing inslot, the spacing joint of second stopper is at the spacing inslot of second, first stopper 9 is T type structure with the second stopper. Be equipped with first mounting groove on the outer wall of frame 7, 6 covers of mandrel establish in first mounting groove to pass through screw fixed connection between mandrel 6 and the frame 7, 6 surfaces of mandrel are equipped with a plurality of standing grooves that are used for paving the prefab.
The male die is supported on the base 10 through a supporting mechanism, the supporting mechanism comprises two supporting plates 4, the supporting plates 4 are fixedly connected to the base 10 through bolts and are respectively arranged at the front end and the rear end of the base 10, V-shaped grooves are formed in the upper ends of the supporting plates 4, and two ends of the central shaft 5 are respectively clamped in the V-shaped grooves of the two supporting plates 4.
The female die 2 comprises a two-section female die assembly, the upper ends of the two-section female die assembly are connected through a plurality of bolts in a sealing mode, the lower ends of the two-section female die assembly are connected with the base 10 through a plurality of bolts in a sealing mode, the female die 2 is arranged outside the core die 6, the front end and the rear end of the female die 2 are connected with the base 10 through end frames 3 respectively, the female die 2 is connected with the end frames 3 through a plurality of bolts in a sealing mode, the end frames 3 are connected with the frame 7 of the male die in a sealing mode, and the end frames 3 are connected with the base 10 through a plurality of bolts in a sealing mode.
A cavity of the workpiece 1 is formed among the female die 2, the core die 6, the base 10 and the end frame 3, a glue inlet not shown in the figure is formed in the outer wall of the female die 2, a glue outlet not shown in the figure is formed in the base 10, and the glue inlet and the glue outlet are respectively communicated with the cavity of the workpiece 1.
As described above, the core mold 6, the frame 7, and the first stopper 9 are made of aluminum alloy, and the others are made of steel.
The use process of the die is as follows: cleaning a mold, assembling the mold, then paving a prefabricated body through a turnover platform as shown in figure 4, putting demolding cloth and a VAP film, and vacuumizing, pressurizing and pre-compacting; and then the paved prefabricated body male die is integrally transferred to a base 10, and a female die 2 is installed for die assembly. And arranging a glue injection pipeline, curing and molding glue injection, and demolding after curing. The demolding sequence is as follows: firstly, the end frames 3 at the two ends are disassembled, then the two-piece female die 2 is disassembled, the workpiece 1 is taken out, and allowance processing and punching of the workpiece 1 are carried out, so that the workpiece 1 is obtained.
The central shaft 5, the frame 7 and the core mold 6 are of split structures and can be detached independently, when the male mold is demolded, the supporting plate 4 is firstly dismounted, the central shaft 5 is pulled out from the middle, then the demolding of the connecting block 8 and the frame 7 is carried out, and finally, the demolding difficulty is greatly reduced at the core mold 6. The female die 2 is a steel die, and the overall dimension of the workpiece 1 can be accurately controlled. Wherein the supporting plate 4 plays a role in positioning between the male die and the female die 2 and can accurately ensure that the thickness dimension between the male die and the female die is within a tolerance range.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. A VARI mould for forming inner grid reinforced shell structure workpieces is characterized in that: comprises a base (10) and a mould body;
the die body comprises a female die (2) and a male die;
the male die comprises a central shaft (5), a core die (6) and a frame (7), wherein a central groove is formed in the center of the frame (7), the central shaft (5) is coaxially connected in the central groove, the central shaft (5) and the frame (7) are connected through a plurality of groups of connecting mechanisms, and the plurality of groups of connecting mechanisms are uniformly arranged around the central shaft (5) at equal intervals; a first mounting groove is formed in the outer wall of the frame (7), the core mold (6) is sleeved in the first mounting groove, the core mold (6) is fixedly connected with the frame (7) through screws, and a plurality of placing grooves for paving prefabricated members are formed in the surface of the core mold (6);
the male die is supported on the base (10) through a supporting mechanism, the supporting mechanism comprises two supporting plates (4), the supporting plates (4) are fixedly connected to the base (10) through bolts and are respectively arranged at the front end and the rear end of the base (10), a V-shaped groove is formed in the upper end of each supporting plate (4), and two ends of the central shaft (5) are respectively clamped in the V-shaped grooves of the two supporting plates (4);
bed die (2) includes two lamella bed die subassemblies, and two lamella bed die subassemblies's upper end is through a plurality of bolt sealing connection, and two lamella bed die subassemblies's lower extreme is connected through a plurality of bolt sealing connection with base (10) respectively, bed die (2) set up in mandrel (6) outside and bed die (2) around both ends be connected with base (10) through end frame (3) and formpiston respectively, through a plurality of bolt sealing connection between bed die (2) and end frame (3), sealing connection between end frame (3) and frame (7) of formpiston, through a plurality of bolt sealing connection between end frame (3) and base (10)
A cavity of the workpiece (1) is formed among the female die (2), the core die (6), the base (10) and the end frame (3), a glue inlet is formed in the outer wall of the female die (2), a glue outlet is formed in the base (10), and the glue inlet and the glue outlet are respectively communicated with the cavity of the workpiece (1).
2. The VARI mold for forming an inner grid stiffened shell structural member of claim 1, wherein: the frame (7) is formed by assembling a plurality of components, adjacent components are connected through a plurality of connecting blocks (8), and the components are connected with the connecting blocks (8) through bolts.
3. The VARI mold for molding an inner grid stiffened shell structural member of claim 1, wherein: every coupling mechanism of group includes connecting rod, first stopper (9) set up on the inner wall of central groove, the outer end of connecting rod be equipped with first spacing groove, first spacing groove and first stopper (9) shape fit, the inner of connecting rod is equipped with the second stopper, be equipped with the second spacing groove on the outer wall of center pin (5), the spacing groove of second cooperates with the spacing block shape of second, the spacing joint of first stopper (9) is at first spacing inslot, the spacing joint of second stopper is at the spacing inslot of second.
4. A VARI mould for forming an inner grid reinforced shell structural member as claimed in claim 3, wherein: the first limiting block (9) and the second limiting block are of T-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920748.XU CN217777845U (en) | 2022-07-25 | 2022-07-25 | VARI mould for forming inner grid reinforced shell structure workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221920748.XU CN217777845U (en) | 2022-07-25 | 2022-07-25 | VARI mould for forming inner grid reinforced shell structure workpiece |
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| CN217777845U true CN217777845U (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221920748.XU Active CN217777845U (en) | 2022-07-25 | 2022-07-25 | VARI mould for forming inner grid reinforced shell structure workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256993A (en) * | 2022-07-25 | 2022-11-01 | 长三角先进材料研究院 | VARI mould for forming inner grid reinforced shell structure workpiece |
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- 2022-07-25 CN CN202221920748.XU patent/CN217777845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256993A (en) * | 2022-07-25 | 2022-11-01 | 长三角先进材料研究院 | VARI mould for forming inner grid reinforced shell structure workpiece |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231026 Address after: Room 45, Room 2104, Building 1, Xinyi Square, No. 68 South Tiancheng Road, High Speed Rail New City, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 (cluster registration) Patentee after: Zhihang Composite Materials Technology (Jiangsu) Co.,Ltd. Address before: 215132 Building 2, No. 2266, Taiyang Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Yangtze River Delta Advanced Materials Research Institute |
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| TR01 | Transfer of patent right |