CN213321673U - Demoulding structure of metal embedded part in honeycomb interlayer - Google Patents
Demoulding structure of metal embedded part in honeycomb interlayer Download PDFInfo
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- CN213321673U CN213321673U CN202021347108.5U CN202021347108U CN213321673U CN 213321673 U CN213321673 U CN 213321673U CN 202021347108 U CN202021347108 U CN 202021347108U CN 213321673 U CN213321673 U CN 213321673U
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- positioning block
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- embedded part
- cushion pad
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Abstract
The utility model discloses a demoulding structure of metal built-in fitting in honeycomb intermediate layer belongs to demoulding structure's technical field. The demolding structure of the metal embedded part in the honeycomb interlayer comprises a mold bottom plate, a positioning block, a part lower skin, a cushion pad, the metal embedded part, the honeycomb interlayer and a part upper skin; the positioning block is connected in the die bottom plate; the lower skin of the part is sleeved outside the positioning block; the cushion pad is sleeved outside the positioning block; the metal embedded part is sleeved outside the cushion pad; the honeycomb interlayer is sleeved outside the metal embedded part; the part upper skin is sleeved outside the honeycomb interlayer. The problem of processing the opening on honeycomb sandwich structure, the peripheral pre-buried metalwork of opening leads to the structure to become invalid easily during the drawing of patterns, causes the product to scrap is solved. The utility model discloses increase the blotter between locating piece and metal built-in fitting, ensure locating piece and the quick drawing of patterns of metal built-in fitting, improved the product percent of pass, production efficiency is high.
Description
Technical Field
The utility model relates to a demoulding structure's technical field, specificly relate to a demoulding structure of metal built-in fitting in honeycomb intermediate layer.
Background
The honeycomb sandwich structure has the advantages of good rigidity, light weight and the like, and has a wide application foundation in the field of aerospace. In the process of honeycomb sandwich structure manufacturing, for the convenience of follow-up with the connection assembly of other parts, or for the convenience of inside operation, often process the opening on honeycomb sandwich structure to guarantee that the holistic structure of honeycomb part is intact, reduce the damage of opening part structure, and still can be at the peripheral pre-buried metalwork of opening, be used for strengthening the structure.
However, the common positioning mode easily causes the demolding of the positioning block to be laborious, and the connection structure between the metal piece and the honeycomb interlayer is easily damaged in the demolding process, so that the demolded structural piece finally fails, the product is scrapped, and the rejection rate of the product is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a demoulding structure of metal built-in fitting in honeycomb sandwich to solve and exist among the prior art, process the opening on honeycomb sandwich structure, the peripheral pre-buried metalwork of opening during the drawing of patterns, lead to the structure to become invalid easily, cause the condemned technical problem of product.
The utility model provides a demoulding structure of a metal embedded part in a honeycomb interlayer, which comprises a mould bottom plate, a positioning block, a part lower skin, a cushion pad, the metal embedded part, the honeycomb interlayer and a part upper skin;
the positioning block is connected in the die bottom plate; the lower part skin is connected in the die bottom plate and sleeved outside the positioning block; the cushion pad is sleeved outside the positioning block; the metal embedded part is connected to the lower skin of the part and sleeved outside the cushion pad; the honeycomb interlayer is connected to the lower skin of the part and sleeved outside the metal embedded part; the part upper skin is connected with the part lower skin and sleeved outside the honeycomb interlayer.
Furthermore, the locating piece passes through the retaining member and connects in the mould bottom plate.
Furthermore, the positioning block is connected in the die base plate through a reinforcing member.
Furthermore, the thickness of the buffer pad ranges from 1.5mm to 2 mm.
Furthermore, the inner diameter value of the cushion pad is larger than the outer diameter value of the positioning block, and the value range of the difference between the inner diameter value of the cushion pad and the outer diameter value of the positioning block is between 0.2mm and 0.3 mm.
Furthermore, the inner diameter value of the metal embedded part is larger than the outer diameter value of the cushion pad, and the value range of the difference value between the inner diameter value of the metal embedded part and the outer diameter value of the cushion pad is between 0.2mm and 0.3 mm.
Compared with the prior art, the utility model discloses a demoulding structure of metal built-in fitting in honeycomb intermediate layer has following advantage:
the positioning block of the utility model is connected in the bottom plate of the mould, and the installation position of the positioning block is limited; the lower part skin is connected in the die bottom plate, and the lower part skin is sleeved outside the positioning block so as to limit the connection position of the lower part skin; the cushion pad is sleeved outside the positioning block to protect the outside of the positioning block; the metal embedded part is connected to the lower skin, sleeved outside the cushion pad and limited in connection position; the honeycomb interlayer is connected to the lower skin of the part, sleeved at the outer position of the metal embedded part and limited in connection position; the part upper skin is connected to the part lower skin, and the part upper skin is sleeved outside the honeycomb interlayer so as to limit the connection position of the part upper skin.
The utility model adds the cushion pad between the positioning block and the metal embedded part, thereby avoiding the problem that the rigid positioning block and the rigid metal embedded part can not be demoulded quickly in the prior art; by adopting the structure of the utility model, the production efficiency of the honeycomb sandwich structure is greatly improved; because the buffer pad has great ductility, the rubber pad is thinned by the extension of the rubber pad during demoulding, and is easily separated from the positioning block and the metal embedded part, so that the quality of the honeycomb sandwich structure part is ensured to be intact, the stress caused by demoulding between the positioning block and the metal embedded part in the prior art is avoided, the internal structure is damaged, the subsequent part maintenance and repair are avoided, and the qualification rate of product manufacturing is also improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a demolding structure of a metal embedded part in a honeycomb sandwich layer according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a front view of a demolding structure of a metal embedded part in a honeycomb sandwich layer according to an embodiment of the present invention;
fig. 4 is an exploded view of a demolding structure of a metal embedded part in a honeycomb sandwich layer according to an embodiment of the present invention;
fig. 5 is a flowchart of a demolding method of a demolding structure of a metal embedded part in a honeycomb interlayer according to an embodiment of the present invention.
Description of reference numerals:
100-a mold bottom plate; 200-positioning blocks;
300-part lower skin; 400-a cushion pad;
500-metal embedded parts; 600-honeycomb sandwich layer;
700-part upper skin; 201-a locking member;
202-stiffener.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to 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.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, the demolding structure of a metal embedded part in a honeycomb sandwich layer provided by the present invention comprises a mold bottom plate 100, a positioning block 200, a part lower skin 300, a cushion pad 400, a metal embedded part 500, a honeycomb sandwich layer 600 and a part upper skin 700;
the positioning block 200 is connected in the die base plate 100; the part lower skin 300 is connected in the die bottom plate 100 and sleeved outside the positioning block 200; the cushion pad 400 is sleeved outside the positioning block 200; the metal embedded part 500 is connected to the part lower skin 300 and sleeved outside the cushion pad 400; the honeycomb interlayer 600 is connected to the part lower skin 300 and sleeved outside the metal embedded part 500; the part upper skin 700 is connected with the part lower skin 300 and sleeved outside the honeycomb sandwich layer 600.
In an embodiment of the present invention, as shown in fig. 1, fig. 3, and fig. 4, the mold base plate 100 is a square plate structure, and a square groove recessed inwards is formed on the upper end surface of the mold base plate 100; the positioning block 200 is cylindrical, and the positioning block 200 is connected to the middle position of the square groove; the part lower skin 300 is of a square plate structure, the part lower skin 300 is embedded in a square groove, a circular through groove is formed in the middle of the part lower skin 300, and at the moment, the positioning block 200 is embedded in the circular through groove; the cushion pad 400 is a rubber pad, and the cushion pad 400 is annular and is fixedly bonded on the peripheral surface of the positioning block 200; the metal embedded part 500 is an annular metal piece, the lower end face of the metal embedded part 500 is connected to the part lower skin 300, and the metal embedded part 500 is sleeved on the outer peripheral surface of the cushion pad 400; the honeycomb sandwich layer 600 is of a square plate structure, the honeycomb sandwich layer 600 is connected to the upper surface of the part lower skin 300, and a circular through groove is formed in the middle of the honeycomb sandwich layer 600 to be sleeved outside the metal embedded part 500; the part upper skin 700 is of a square plate structure, the part upper skin 700 is connected to the upper portion of the part lower skin 300, the honeycomb sandwich layer 600 is arranged between the part lower skin 300 and the part upper skin 700, and a circular through groove is formed in the middle of the part upper skin 700 and is sleeved outside the honeycomb sandwich layer 600.
The utility model discloses carry out suitable adjustment to locating piece 200 and metal embedded part 500's location form, through blotter 400 as middle transition layer, adjust the back, under the prerequisite that does not influence positioning accuracy, realized the quick drawing of patterns of part, guarantee that honeycomb sandwich 600's structure is intact harmless, ensure the qualification rate of product to product production efficiency has been improved. The problem of among the effectual prior art of having solved, the locating piece 200 drawing of patterns is hard to and lead to honeycomb sandwich 600's connection structure to destroy easily is solved.
Further, the positioning block 200 is connected to the bottom plate 100 through a locking member 201.
The utility model discloses an embodiment, as shown in fig. 2, 4, form first screw hole in the intermediate position of the square groove of bottom die plate 100, the intermediate position of locating piece 200 forms the second screw hole, retaining member 201 adopts locking screw, and locking screw passes the second screw hole and connects in first screw hole to utilize locking screw to connect locating piece 200 on bottom die plate 100, ensure the firm intermediate position of connecting at bottom die plate 100 of locating piece 200.
Further, the locating block 200 is also attached within the mold base 100 by a reinforcement member 202.
The utility model discloses an embodiment, as shown in fig. 2, fig. 4, the both sides at the first screw hole of square inslot of mould bottom plate 100 form the third screw hole respectively, form the fourth screw hole respectively in the both sides of locating piece 200 intermediate position second screw hole, reinforcement 202 adopts the locating pin, two locating pins pass the fourth screw hole respectively and connect in the third screw hole, in order to utilize two locating pins to lock the hookup location of locating piece 200 on mould bottom plate 100 once more, ensure the fastness of hookup location of locating piece 200 on mould bottom plate 100.
In other embodiments of the present invention, the number of the third threaded holes, the number of the fourth threaded holes, and the number of the positioning pins may be further set to be a plurality of pairs corresponding to each other, so as to utilize a plurality of positioning pins to define the connection position of the positioning block 200 on the mold base 100 from the direction around the center of the positioning block 200.
Further, the thickness of the bumper pad 400 ranges from 1.5mm to 2 mm.
In this embodiment, the thickness of the bumper pad 400 is 2 mm.
Further, the inner diameter value of the cushion pad 400 is larger than the outer diameter value of the positioning block 200, and the value range of the difference between the inner diameter value of the cushion pad 400 and the outer diameter value of the positioning block 200 is between 0.2mm and 0.3 mm.
In this embodiment, the difference between the inner diameter value of the cushion 400 and the outer diameter value of the positioning block 200 is 0.2 mm.
Further, the inner diameter value of the metal embedded part 500 is larger than the outer diameter value of the cushion pad 400, and the value range of the difference between the inner diameter value of the metal embedded part 500 and the outer diameter value of the cushion pad 400 is between 0.2mm and 0.3 mm.
In the present embodiment, the difference between the value of the inner diameter of the metallic embedment 500 and the value of the outer diameter of the cushion pad 400 is 0.2 mm.
As shown in fig. 5, the demolding method of the demolding structure of the metal embedded part in the honeycomb interlayer of the present invention comprises the following steps:
a. mounting and positioning block
Mounting a positioning block 200 at the central position of the upper end face of the die base plate 100, locking and fixing by using a locking piece 201, and reinforcing by using a reinforcing piece 202;
namely: the central position of the positioning block 200 is fixed by a locking screw, and two opposite side surfaces of the central position of the positioning block 200 are fixed by a positioning pin respectively.
b. Mounting part lower covering
Connecting the lower part skin 300 into the mold base plate 100, wherein the bottom surface of the lower part skin 300 is attached and fixed in the square groove of the mold base plate 100, and the lower part skin 300 is sleeved outside the positioning block 200;
c. installation buffer cushion
Adhering the cushion 400 to the outer side of the positioning block 200, wherein the thickness of the cushion 400 is 2mm, so that the cushion 400 is sleeved on the outer side of the positioning block 200;
d. installing metal embedded parts
Laying a layer of glue film or brushing adhesive on the lower part skin 300; connecting the metal embedded part 500 to the part lower skin 300, and sleeving the cushion pad 400;
e. mounting honeycomb sandwich
Connecting the honeycomb sandwich 600 to the part lower skin 300 and sleeving the honeycomb sandwich 600 outside the metal embedded part 500, attaching the bottom surface of the honeycomb sandwich 600 to the part lower skin 300 to attach and fix the honeycomb sandwich 600 to the metal embedded part 500, and then laying a layer of glue film or brushing adhesive on the surface of the honeycomb sandwich 600;
f. mounting part upper skin
Connecting the part upper skin 700 to the part lower skin 300, wherein the bottom surface of the part upper skin 700 is attached to the upper surface of the part lower skin 300, and the part upper skin 700 is sleeved on the outer side of the honeycomb sandwich layer 600, so that the assembly process of the product is completed;
g. product curing
Putting the assembled product into a hot-pressing tank for heating and pressurizing, wherein the value range of the heating temperature is between 180 and 200 ℃, and the value range of the pressurizing pressure value is between 0.2 and 0.3MPa, so that the honeycomb interlayer 600 of the product is cured;
in this embodiment, the heating temperature is 180 ℃, the heating time lasts 60min, the pressurizing pressure is 0.2MPa, and the pressurizing time lasts 60 min.
h. Demoulding
After the honeycomb sandwich 600 is cured, the product is taken out of the hot-pressing tank, the cushion pad 400 of the product is taken out firstly, and at the moment, the honeycomb sandwich 600 can be directly separated from the positioning block 200, so that the quick demoulding between the metal embedded part 500 and the positioning block 200 is realized.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The demolding structure of the metal embedded part in the honeycomb interlayer is characterized by comprising a mold bottom plate (100), a positioning block (200), a part lower skin (300), a cushion pad (400), the metal embedded part (500), the honeycomb interlayer (600) and a part upper skin (700);
the positioning block (200) is connected in the die bottom plate (100); the part lower skin (300) is connected in the die bottom plate (100) and sleeved outside the positioning block (200); the cushion pad (400) is sleeved outside the positioning block (200); the metal embedded part (500) is connected to the part lower skin (300) and sleeved outside the cushion pad (400); the honeycomb interlayer (600) is connected to the part lower skin (300) and sleeved outside the metal embedded part (500); the part upper skin (700) is connected with the part lower skin (300) and sleeved outside the honeycomb interlayer (600).
2. The demolding structure of the metal embedded part in the honeycomb interlayer according to claim 1, wherein the positioning block (200) is connected in the mold bottom plate (100) through a locking piece (201).
3. The demolding structure of a metal embedded part in a honeycomb interlayer of claim 2, wherein the positioning block (200) is further connected in the mold base plate (100) through a reinforcing member (202).
4. The demolding structure of a metal embedded part in a honeycomb interlayer of claim 3, wherein the thickness of the cushion pad (400) ranges from 1.5mm to 2 mm.
5. The demolding structure of the metal embedded part in the honeycomb interlayer of claim 4, wherein the inner diameter value of the cushion pad (400) is larger than the outer diameter value of the positioning block (200), and the difference between the inner diameter value of the cushion pad (400) and the outer diameter value of the positioning block (200) ranges from 0.2mm to 0.3 mm.
6. The demolding structure of the metal embedded part in the honeycomb sandwich layer, according to the claim 5, is characterized in that the inner diameter value of the metal embedded part (500) is larger than the outer diameter value of the cushion pad (400), and the difference value between the inner diameter value of the metal embedded part (500) and the outer diameter value of the cushion pad (400) ranges from 0.2mm to 0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021347108.5U CN213321673U (en) | 2020-07-10 | 2020-07-10 | Demoulding structure of metal embedded part in honeycomb interlayer |
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| CN202021347108.5U CN213321673U (en) | 2020-07-10 | 2020-07-10 | Demoulding structure of metal embedded part in honeycomb interlayer |
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| CN213321673U true CN213321673U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815161A (en) * | 2021-09-14 | 2021-12-21 | 上海复合材料科技有限公司 | Universal insert for honeycomb plate glue joint assembly die and honeycomb plate glue joint assembly die |
-
2020
- 2020-07-10 CN CN202021347108.5U patent/CN213321673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815161A (en) * | 2021-09-14 | 2021-12-21 | 上海复合材料科技有限公司 | Universal insert for honeycomb plate glue joint assembly die and honeycomb plate glue joint assembly die |
| CN113815161B (en) * | 2021-09-14 | 2024-01-30 | 上海复合材料科技有限公司 | Universal insert for honeycomb plate glue joint assembly die and honeycomb plate glue joint assembly die |
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Address after: 300304 No.2 workshop of high power bulldozer, No.18, Yingchun Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee after: Tianjin istar-space Technology Co.,Ltd. Address before: 300304 No.2 workshop of high power bulldozer, No.18, Yingchun Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee before: SUZHOU ISTAR AVIATION TECHNOLOGY Co.,Ltd. |