CN210477502U - A mould for making dipulse combined material casing - Google Patents
A mould for making dipulse combined material casing Download PDFInfo
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- CN210477502U CN210477502U CN201921134999.3U CN201921134999U CN210477502U CN 210477502 U CN210477502 U CN 210477502U CN 201921134999 U CN201921134999 U CN 201921134999U CN 210477502 U CN210477502 U CN 210477502U
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Abstract
The utility model discloses a mould for making dipulse combined material casing belongs to combined material goods shaping field. The utility model relates to a mould for making dipulse combined material casing, including dabber, preceding, back lamella mould and lamella mould location and locking device. The valve molds are designed into a front mold and a rear mold, so that the preparation of the double-pulse composite shell product is realized; through designing the middle petal mold positioning block and the positioning step on the mandrel, the dual purposes of locking the front petal mold and the rear petal mold and positioning the middle metal piece are achieved, and the problem of limitation of the traditional design method in the forming of the double-pulse shell is solved. Additionally, the utility model discloses it is strong still to have designability, and the equipment precision is high, and the shaping back that finishes disassembles advantages such as convenience.
Description
Technical Field
The utility model belongs to combined material goods shaping field, in particular to a mould for making dipulse combined material casing.
Background
Compared with a metal shell, the fiber-wound composite shell product has the advantages of light weight and high strength, is widely applied to a solid rocket engine shell at present, and particularly has the characteristics of improved requirements of modern war on missile range and attack precision, and pulse ignition, double chambers and double push of the double-pulse shell can better fulfill the requirements under the condition of not changing missile launching weight and size, so that the double-pulse shell product is adopted by tactical missiles at home and abroad. At present, the following methods are mainly used for manufacturing composite shell products: firstly, the water-soluble core mould material is used for forming, although the demoulding is easy in the method, the mould is a disposable lost mould, the mould cannot be reused, the consistency of the product quality is poor, in addition, the surface smoothness of the mould is not high, and pores are easy to form on the inner surface of a formed product. The method is widely applied to the prior art, but for a double-pulse composite material shell, the middle metal piece is positioned in the middle of two pulses and can be limited by space and position, so that the locking of the middle petal mold positioning block and the front and rear assembling petals and the positioning of the middle metal piece and the front and rear metal pieces can not be realized by adopting the type of the die, and the application of the die in the forming of the double-pulse composite material shell is limited.
Disclosure of Invention
An object of the utility model is to provide a mould for making dipulse combined material casing.
In order to achieve the purpose, the utility model adopts the following technical scheme: the split dies are arranged into a front split die and a rear split die, the locking of the middle split die positioning block and the front and rear split dies is realized by using locking nuts of the front and rear split die positioning blocks, steps on the mandrel and an annular groove formed between the middle split die positioning block and the mandrel, the positioning of the middle metal piece and the front and rear metal pieces is realized by using the mandrel and the steps on the middle split die positioning block, and the schematic structural diagram of the die is shown in fig. 2.
The utility model relates to a mould for making dipulse combined material casing, including dabber, lamella mould and lamella mould location and locking device, its characterized in that: the petal mould comprises a front petal mould and a rear petal mould, and the front end and the rear end of the front petal mould and the rear petal mould are both provided with positioning bosses extending along the direction of a bus; the split die positioning and locking device comprises a split die positioning block, a split die locking nut and a middle positioning step of the mandrel; the valve positioning block comprises a front valve positioning block, a middle valve positioning block and a rear valve positioning block, which are all a revolving body with a central through hole and a cavity with a certain depth in the middle, wherein the middle valve positioning block comprises a front built-in cavity and a rear built-in cavity with different inner diameters and depths, the three are respectively positioned in the front of the front valve, in the middle of the front valve and the rear valve and behind the rear valve, the central through hole of the three is in clearance fit with the mandrel, a positioning groove is formed after the three is assembled with the mandrel, and positioning bosses of the front valve and the rear valve are inserted into the positioning groove in a clearance fit manner; the split die locking nut comprises a front split die locking nut and a rear split die locking nut, and is respectively positioned at the front end of the front split die positioning block and the rear end of the rear split die positioning block; the middle valve mold positioning block realizes positioning by means of the middle positioning step of the mandrel.
The utility model relates to a mould for making dipulse combined material casing, its characterized in that: the middle positioning step of the mandrel is positioned at 49.8% of the length of the mandrel.
The utility model relates to a mould for making dipulse combined material casing, its characterized in that: the device also comprises a front metal piece positioning and locking device, a middle metal piece positioning and locking device and a rear metal piece positioning and locking device; a positioning step is arranged on the outer side of the middle petal mold positioning block; the front metal piece positioning and locking device is composed of a front metal piece locking nut, a front metal piece positioning block and a front positioning step of the mandrel, the middle metal piece positioning and locking device is composed of a step structure on the outer side of the front petal mold, the rear petal mold and the middle petal mold positioning block, and the rear metal piece positioning and locking device is composed of a rear metal piece positioning block, a rear metal piece locking nut and a rear positioning step of the mandrel.
The utility model relates to a mould for making dipulse combined material casing, its characterized in that: the front positioning step and the rear positioning step of the mandrel are respectively positioned at 18.5 percent and 83.9 percent of the length of the mandrel.
The utility model relates to a mould for manufacturing a double-pulse composite material shell, which realizes the preparation of double-pulse composite material shell products by designing a petal mould into a front petal mould and a back petal mould; through designing the middle petal mold positioning block 13 and the positioning step on the mandrel 1, the dual purposes of locking the front and rear petal molds and positioning the middle metal piece are achieved, and the problem of limitation of the traditional design method in the forming of the double-pulse shell is solved. Additionally, the utility model discloses it is strong still to have designability, and the equipment precision is high, and the shaping back that finishes disassembles advantages such as convenience.
Drawings
FIG. 1 is a schematic diagram of a typical double pulse composite shell structure;
FIG. 2 is a schematic diagram of a mold used to fabricate the dual pulse composite shell of FIG. 1;
FIG. 3 is a front view of the anterior valve flap;
FIG. 4 is a cross-sectional view of the front flap;
fig. 5 is a partially enlarged schematic view of the intermediate split mold positioning block after being assembled with the mandrel;
wherein: 1-mandrel, 2-front metal part locking nut, 3-front metal part positioning block, 4-front metal part, 5-front petal, 6-middle metal part, 7-back petal, 8-back metal part, 9-back metal part positioning block, 10-back metal part locking nut, 11-back petal locking nut, 12-back petal positioning block, 13-middle petal positioning block, 14-front petal positioning block, 15-front petal locking nut, 16-positioning boss and 17-positioning groove.
Detailed Description
The technical solutions according to the present invention will be described in detail below with reference to the drawings and the embodiments, but the technical solutions are not limited thereto.
Examples
A double-pulse composite material shell is a hollow rotary body structure formed by composite materials and metal pieces, wherein the number of the metal pieces is three, namely a front metal piece 4, a middle metal piece 6 and a rear metal piece 8, as shown in figure 1.
The utility model provides a be used for making this double pulse combined material casing winding forming die, as shown in fig. 2, includes dabber 1, preceding metalwork lock nut 2, preceding metalwork locating piece 3, preceding lamella mould 5, back lamella mould 7, back metalwork locating piece 9, back metalwork lock nut 10, back lamella mould lock nut 11, back lamella mould locating piece 12, middle lamella mould locating piece 13, preceding lamella mould locating piece 14 and preceding lamella mould lock nut 15.
The mandrel 1 is of a step-shaped revolving body structure, the total length of the mandrel is 1300mm, and a front positioning step, a middle positioning step and a rear positioning step are respectively arranged at a position 241mm away from the left end face, a position 648mm away from the left end face and a position 1091mm away from the left end face and are respectively used for positioning the front metal piece positioning block 3, the middle flap mold positioning block 13 and the rear metal piece positioning block 9.
The front flap mold 5 is of a hollow revolving body structure and consists of 12 flaps, wherein the radial section of each wide flap 6 is of a fan-shaped structure; the radial section of the narrow valve 6 is of a quasi-rectangular structure; the two are alternately placed as shown in fig. 3. The two ends of each petal of the front petal mould 5 are provided with positioning bosses 16, as shown in figure 4, the positioning bosses 16 are consistent with the connected wide or narrow petal structures, and the shape of the inner side surface is matched with the shape of the contacted mandrel 1. The rear valve mold 7 is also of a hollow revolving body structure and consists of 8 valves, wherein the radial section of each wide valve 4 is of a fan-shaped structure; the radial section of the narrow valve 4 is of a quasi-rectangular structure; the two are alternately arranged. The two ends of each petal of the rear petal mould 7 are also provided with a positioning boss 16, the positioning bosses 16 are consistent with the connected wide or narrow petal structures, and the shape of the inner side surface is matched with the shape of the contacted mandrel 1.
The front valve positioning block 14, the middle valve positioning block 13 and the rear valve positioning block 12 are of a revolving body structure with the inner side in a step shape, the inner side is assembled with the mandrel 1 in a clearance fit manner to form a positioning groove 17, and the positioning groove 17 is in clearance fit with positioning bosses 16 at two ends of the front valve 5 and the rear valve 7 respectively. The middle valve positioning block 13 is positioned by a middle positioning step preset on the mandrel 1. The middle metal piece 6 is installed outside the middle petal mold positioning block 13, the middle metal piece and the middle petal mold positioning block 13 are in clearance fit, and the middle petal mold positioning block 13 is provided with a step structure for positioning the middle metal piece 6, as shown in fig. 5.
The mold assembly was carried out in the following order:
1. firstly, a middle valve positioning block 13 is arranged in a mandrel 1 from the front end until the middle valve positioning block is contacted with a middle positioning step of the mandrel; then, the middle metal piece 6 is arranged in the mandrel 1 from the front end until the middle metal piece is contacted with the step structure of the middle valve positioning block 13;
2. secondly, vertically placing the rear end of the mandrel 1 downwards, installing the mandrel into the front valve mold 5 from the upper end, and extending a positioning boss 16 at the rear end of the mandrel into a positioning groove 17 formed by the middle valve positioning block 13 and the mandrel 1; then a front valve positioning block 14 is arranged from the upper end, a positioning groove 17 formed by the front valve positioning block and the mandrel 1 is sleeved into a positioning boss 16 at the front end of the front valve 5 and is locked by a locking nut 15 of the front valve positioning block; then, a front metal piece 4 and a front metal piece positioning block 3 are arranged from the upper end and locked by a front metal piece locking nut 2 until the front metal piece positioning block 3 is contacted with a front positioning step of the mandrel 1;
3. finally, the front end of the assembled mandrel 1 is vertically placed downwards, the mandrel is arranged into the rear valve mould 7 from the upper end, and a positioning boss 16 at the front end of the mandrel extends into a positioning groove 17 formed by the middle valve positioning block 13 and the mandrel 1; then a rear valve positioning block 12 is arranged from the upper end, a positioning groove 17 formed by the rear valve positioning block and the mandrel 1 is sleeved into a positioning boss 16 at the rear end of the rear valve 7 and is locked by a locking nut 11 of the rear valve positioning block; and then a rear metal piece 8 and a rear metal piece positioning block 9 are installed from the upper end and locked by a rear metal piece locking nut 10 until the rear metal piece positioning block 9 is contacted with a rear positioning step of the mandrel 1, so that the die assembly is completed.
Demoulding is carried out after forming according to the following sequence:
1. loosening the locking nut 2 of the front metal piece positioning block and the locking nut 10 of the rear metal piece positioning block by using a wrench, taking the front metal piece positioning block 3 and the rear metal piece positioning block 9 off the mandrel 1;
2. loosening the locking nut 15 of the front valve positioning block and the locking nut 11 of the rear valve positioning block by using a wrench, taking the locking nuts off the mandrel 1, and taking the locking nut 14 of the front valve positioning block and the locking nut 12 of the rear valve positioning block off the mandrel 1;
3. drawing the mandrel 1 out of the opening end of the rear metal piece 8;
4. placing the open end of the rear metal part 8 downwards, taking out the narrow petals of the 6 front petals 5 in the front cavity of the shell by using a flat screwdriver, and then sequentially taking out the wide petals of the 6 front petals 5 to realize demoulding of the front petals 5;
5. placing the opening end of the front metal part 4 downwards, taking out the narrow petals of the 4 rear petals 7 in the rear cavity of the shell by using a flat screwdriver, and then sequentially taking out the wide petals of the 4 rear petals 7 to realize demoulding of the rear petals 7;
6. and taking the middle petal mold positioning block 13 out of the opening end of the rear metal piece 8 to realize complete demolding.
Claims (4)
1. The utility model provides a mould for making dipulse combined material casing, includes dabber, lamella mould and lamella mould location and locking device, its characterized in that: the petal mould comprises a front petal mould (5) and a rear petal mould (7), and the front ends and the rear ends of the front petal mould and the rear petal mould are provided with positioning bosses (16) extending along the bus direction; the split die positioning and locking device comprises a split die positioning block, a split die locking nut and a middle positioning step of the mandrel (1); the petal mold positioning block comprises a front petal mold positioning block (14), a middle petal mold positioning block (13) and a rear petal mold positioning block (12), the three are all a revolving body with a central through hole and a cavity with a certain depth is arranged in the revolving body, the middle petal mold positioning block (13) comprises a front cavity and a rear cavity with different inner diameters and depths, the three are respectively arranged in the front of the front petal mold (5), in the middle of the front petal mold (5) and the rear petal mold (7) and behind the rear petal mold (7), the central through hole of the middle petal mold positioning block is in clearance fit with the mandrel (1) to form a positioning groove (17) after being assembled with the mandrel (1), and positioning bosses (16) of the front petal mold (5) and the rear petal mold (7) are inserted into the positioning groove (17) in a clearance fit manner; the split die locking nut comprises a front split die locking nut (15) and a rear split die locking nut (11) which are respectively positioned at the front end of the front split die positioning block (14) and the rear end of the rear split die positioning block (12); the middle petal mold positioning block (13) realizes positioning by means of the middle positioning step of the mandrel (1).
2. The mold for making a dual pulse composite shell according to claim 1, wherein: the middle positioning step of the mandrel (1) is positioned at 49.8% of the length of the mandrel.
3. The mold for making a dual pulse composite shell according to claim 1, wherein: the device also comprises a front metal piece positioning and locking device, a middle metal piece positioning and locking device and a rear metal piece positioning and locking device; a positioning step is arranged on the outer side of the middle petal mold positioning block (13); preceding metalwork location and locking device comprises preceding location step of preceding metalwork lock nut (2), preceding metalwork locating piece (3) and dabber (1), and well metalwork location and locking device comprises preceding lamella mould (5), back lamella mould (7) and the stair structure in middle lamella mould locating piece (13) outside, and back metalwork location and locking device comprises the back location step of back metalwork locating piece (9), back metalwork lock nut (10) and dabber (1).
4. The mold for making a double pulse composite shell according to claim 3, wherein: the front positioning step and the rear positioning step of the mandrel (1) are respectively positioned at 18.5 percent and 83.9 percent of the length of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134999.3U CN210477502U (en) | 2019-07-19 | 2019-07-19 | A mould for making dipulse combined material casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134999.3U CN210477502U (en) | 2019-07-19 | 2019-07-19 | A mould for making dipulse combined material casing |
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| Publication Number | Publication Date |
|---|---|
| CN210477502U true CN210477502U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921134999.3U Active CN210477502U (en) | 2019-07-19 | 2019-07-19 | A mould for making dipulse combined material casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238994A (en) * | 2019-07-19 | 2019-09-17 | 山东非金属材料研究所 | It is a kind of for making the mold and its assemble method of dipulse composite material casing |
-
2019
- 2019-07-19 CN CN201921134999.3U patent/CN210477502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238994A (en) * | 2019-07-19 | 2019-09-17 | 山东非金属材料研究所 | It is a kind of for making the mold and its assemble method of dipulse composite material casing |
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