CN113400549B - Special-shaped heat-insulating sleeve mould pressing die and operation method thereof - Google Patents
Special-shaped heat-insulating sleeve mould pressing die and operation method thereof Download PDFInfo
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- CN113400549B CN113400549B CN202110687086.XA CN202110687086A CN113400549B CN 113400549 B CN113400549 B CN 113400549B CN 202110687086 A CN202110687086 A CN 202110687086A CN 113400549 B CN113400549 B CN 113400549B
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- die
- insulating sleeve
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C2043/3602—Moulds for making articles of definite length, i.e. discrete articles with means for positioning, fastening or clamping the material to be formed or preforms inside the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a special-shaped heat-insulating sleeve die pressing die and an operation method thereof. The mould and the operation method can be suitable for mould pressing of the irregular uneven long heat-insulating sleeve, improve the mould pressing success rate and ensure the quality of the heat-insulating sleeve.
Description
Technical Field
The invention relates to the technical field of solid rocket engine heat insulation manufacturing, in particular to a special-shaped heat insulation sleeve mould pressing mould.
Background
The existing heat insulation sleeve is generally in a uniform cylindrical shape, when a mould pressing mould is designed, the design of an integral cylinder is generally adopted, devices such as a positioning, guiding, demoulding and hoisting device are additionally arranged, when the mould is processed, the cylindrical shape can also be directly processed by a lathe at one time, and the process is easy to realize. In a development, a fan-shaped long insulating sleeve is encountered, as shown in fig. 1. Aiming at the irregular uneven heat-insulating sleeve, the existing mould pressing process conditions are difficult to realize at present, the mould processing is also difficult to realize according to the existing design concept and processing capacity, meanwhile, some data are also consulted, an injection molding process can be adopted, the mould design and manufacturing difficulty is reduced, but aiming at the use requirement of the heat-insulating sleeve and the forming characteristic of a heat-insulating material, the mould pressing process can only reach the requirement, and other reagents which have influence on the heat-insulating sleeve cannot be used in the mould pressing and demoulding process, so that the cleanness of the heat-insulating sleeve is ensured.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a special-shaped heat-insulating sleeve mould pressing mould and an operation method thereof, which can be suitable for mould pressing of special-shaped uneven long heat-insulating sleeves, improve mould pressing success rate and ensure the quality of the heat-insulating sleeves.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a adiabatic cover compression molding of dysmorphism mould, includes die and terrace die, the die includes two half dies that can assemble, and the die is placed in the base, and the base includes bottom plate and the section of thick bamboo with the die adaptation, and the terrace die includes die head and the mount pad of being connected with the die head, die head one side is equipped with the shaping arch.
In the preferred scheme, a plurality of guide plates are arranged on the mounting seat and are arranged outside the cylinder section in a surrounding mode.
In a preferred scheme, a positioning step is arranged on the mounting seat.
In a preferred scheme, the parting surfaces of the two half female dies are arranged at the sharp corner position of the heat insulation sleeve.
In a preferable scheme, the center of the male die is provided with a vent hole.
In the preferred scheme, a plurality of hooks are arranged on the outer side of the barrel section.
In a preferable scheme, the top of the female die is provided with an overflow groove, and the top of the cylinder section is provided with a notch corresponding to the overflow groove.
In a preferable scheme, a groove is formed in the parting surface of one of the half female dies, and a protrusion matched with the groove is formed in the parting surface of the other half female die.
In a preferred scheme, the outer molded surface of the female die is a conical surface.
The invention also provides an operation method of the special-shaped heat-insulating sleeve mould pressing mould, which comprises the following steps:
step one, after the two half female dies are closed, placing the female dies in a base;
step two, the male die is arranged in the female die, and the guide plate ensure smooth die assembly;
step three, assembling the whole set of die on a vulcanizing machine, testing the die to be qualified through the vulcanizing machine, opening the male die, and moving out the base;
placing the material sheets at the bottom and the side of the female die, and finishing the subsequent die pressing process according to the die pressing process;
step five, after the die pressing is finished, when the temperature is reduced to the room temperature, separating the female die and the base by an upper plate and a lower plate of a vulcanizing machine, separating the female die, the heat insulation sleeve and the male die from the base, moving out the base, and separating the female die to obtain the heat insulation sleeve;
and step six, forming the bulges to enable the heat insulation sleeve to form a wire embedding groove, embedding an ignition wire in the wire embedding groove, and then, filling the wire embedding groove.
According to the special-shaped heat-insulating sleeve die pressing die and the operation method thereof, the two half female dies are fixed through the base, the die pressing pressure of the male die and the female die can be borne, the die can be released only by separating the two half female dies, and the die releasing is easy to operate. Through the cooperation that sets up deflector and section of thick bamboo section, can realize guiding orientation, guarantee the compound die precision of die and terrace die. The mould and the operation method can be suitable for mould pressing of the special-shaped uneven long heat-insulating sleeve, solve the problems of mould pressing and demoulding of the special-shaped uneven long heat-insulating sleeve and the like, improve the mould pressing success rate and ensure the quality of the heat-insulating sleeve.
Drawings
The invention is further illustrated with reference to the accompanying drawings and examples:
FIG. 1 is a schematic view of the construction of the profiled insulating sleeve of the present invention;
FIG. 2 is a perspective view of the mold of the present invention;
FIG. 3 is a schematic structural view of a male mold of the present invention;
FIG. 4 is a schematic view of the structure of the female mold of the present invention;
FIG. 5 is a schematic structural diagram of a base according to the present invention;
FIG. 6 is an assembly schematic of the present invention;
in the figure: the die comprises a female die 1, a male die 2, a base 3, a heat insulation sleeve 4, a hook 5, a half female die 101, an overflow groove 102, a groove 103, a protrusion 104, a die head 201, a mounting seat 202, a guide plate 203, a forming protrusion 204, a positioning step 205, an air vent 206, a bottom plate 301, a barrel section 302 and a groove 303.
Detailed Description
As shown in fig. 1 to 6, the special-shaped heat-insulating sleeve die pressing die comprises a female die 1 and a male die 2, wherein the female die 1 comprises two half female dies 101 capable of being assembled, the female die 1 is placed in a base 3, the base 3 comprises a bottom plate 301 and a barrel section 302 matched with the female die 1, the male die 2 comprises a die head 201 and a mounting seat 202 connected with the die head 201, and a forming protrusion 204 is arranged on one side of the die head 201.
The base 3 realizes the fixation of the two half female dies 101, can bear the pressure of the die pressing of the male die and the female die, and can realize the demoulding only by separating the two half female dies 101 after the base 3 is moved away, so that the demoulding is easier to operate.
The mould can be suitable for mould pressing of the special-shaped uneven long heat-insulating sleeve, solves the problems of mould pressing, demoulding and the like of the special-shaped uneven long heat-insulating sleeve, improves the mould pressing success rate and ensures the quality of the heat-insulating sleeve.
By arranging the forming protrusion 204, a wire embedding groove can be formed on the inner side of the heat-insulating sleeve 4, and the wire embedding structure of the heat-insulating sleeve 4 can be formed by supplementing materials after the ignition wire is embedded, so that the problem of difficulty in forming wire embedding small holes in the conventional heat-insulating sleeve is solved.
Preferably, a plurality of guide plates 203 are arranged on the mounting base 202, and the guide plates 203 are arranged around the outer side of the cylinder section 302.
Through the cooperation that sets up deflector 203 and section of thick bamboo 302, can realize guiding orientation, guarantee the compound die precision of die 1 and terrace die 2.
The mounting seat 202 is provided with a positioning step 205. The positioning of the punch 2 with the base 3 is facilitated by the provision of the positioning step 205.
The parting surfaces of the two half female dies 101 are arranged at the sharp corner positions of the heat insulating sleeve 4.
The problem of difficult processing of the sharp corner of the inner cavity of the female die 1 is solved.
Preferably, the center of the male die 2 is provided with a vent 206. Through setting up air vent 206, make things convenient for the shaping chamber between die 1 and the terrace die 2 to form the vacuum and influence the drawing of patterns, simultaneously, can blow through air vent 206, be convenient for throw off of die 1 and terrace die 2.
Preferably, a plurality of hooks 5 are arranged on the outer side of the barrel section 302.
Through setting up couple 5, make things convenient for the handling of device.
Preferably, the top of the female die 1 is provided with an overflow groove 102, and the top of the cylinder section 302 is provided with a notch 303 corresponding to the overflow groove 102.
In order to ensure that the heat-insulating sleeve cannot be short of material, the material sheets are generally placed more than the molding materials, and overflow is facilitated by the arrangement of the overflow groove 102 and the groove 303.
Preferably, the parting surface of one of the half concave dies 101 is provided with a groove 103, and the parting surface of the other half concave die 101 is provided with a protrusion 104 matched with the groove 103.
The matching of the groove 103 and the protrusion 104 improves the mold closing precision of the two half female molds 101.
Preferably, the outer profile of the female die 1 is a conical surface. The outer profile of the female die 1 is set to be a conical surface, so that the die is conveniently released from the base 3.
A method for operating a mould for molding a profiled heat-insulating sleeve comprises the following steps:
step one, after the two half female dies 101 are closed, the female die 1 is placed in the base 3;
step two, the male die 2 is arranged in the female die 1, and the guide plate 203 ensure smooth die assembly;
step three, assembling the whole set of die on a vulcanizing machine, testing the die to be qualified through the vulcanizing machine, opening the male die 2, and moving out the base 3;
placing the material sheets at the bottom and the side of the female die 1, and finishing the subsequent die pressing process according to the die pressing process;
step five, after the die pressing is finished, when the temperature is reduced to the room temperature, separating the female die 1 and the base 3 by an upper plate and a lower plate of a vulcanizing machine, separating the female die 1, the heat-insulating sleeve 4 and the male die 2 from the base 3, moving out the base 3, and separating the female die 1 to obtain the heat-insulating sleeve 4;
step six, forming the bulges 204 to enable the heat insulation sleeve 4 to form a wire embedding groove, embedding an ignition wire in the wire embedding groove, and then filling the wire embedding groove.
The mould adopts the whole part to be broken into parts, the difficulty of transfer processing, mould pressing and demoulding, realizes mould pressing of the irregular uneven long heat-insulating sleeve through a reasonable mould pressing process, improves the success rate and ensures the quality of the heat-insulating sleeve.
Claims (9)
1. The utility model provides a molding die for special-shaped heat-insulating sleeve, includes die (1) and terrace die (2), its characterized in that, die (1) includes two half die (101) that can assemble, and die (1) is placed in base (3), and base (3) include bottom plate (301) and with barrel section (302) of die (1) adaptation, and terrace die (2) include die head (201) and mount pad (202) of being connected with die head (201), die head (201) one side is equipped with shaping arch (204), and shaping arch (204) form the line embedding groove in heat-insulating sleeve (4) inboard, carries out the shaping of the built-in line structure of material realization heat-insulating sleeve (4) again after the line embedding of ignition, die (1) outer profile is the conical surface.
2. A shaped insulating sleeve molding die according to claim 1, wherein a plurality of guide plates (203) are provided on the mounting seat (202), and the guide plates (203) are arranged around the outside of the barrel section (302).
3. A shaped insulating sleeve molding die according to claim 1, characterized in that said mounting seat (202) is provided with a positioning step (205).
4. A profiled insulating sleeve moulding tool as claimed in claim 1, characterised in that the parting surfaces of the two half-moulds (101) are arranged at the sharp corners of the insulating sleeve (4).
5. A shaped insulating sleeve molding die according to claim 1, characterized in that the center of the male die (2) is provided with a vent hole (206).
6. A shaped insulating sleeve molding die according to claim 1, characterized in that the outside of the barrel section (302) is provided with hooks (5).
7. A shaped heat insulating sleeve molding die according to claim 1, characterized in that the top of the female die (1) is provided with an overflow groove (102), and the top of the barrel section (302) is provided with a notch (303) corresponding to the overflow groove (102).
8. A shaped insulating sleeve molding tool according to claim 1, characterized in that the parting surface of one of the cavity halves (101) is provided with a recess (103), and the parting surface of the other cavity half (101) is provided with a protrusion (104) engaging with the recess (103).
9. The method for operating a profiled heat insulating sleeve molding die according to any one of claims 1 to 8, comprising the steps of:
step one, after the two half female dies (101) are closed, placing the female die (1) in the base (3);
step two, the male die (2) is arranged in the female die (1), and the guide plate (203) ensure smooth die assembly;
step three, assembling the whole set of die on a vulcanizing machine, testing the die to be qualified through the vulcanizing machine, opening the male die (2), and moving out the base (3);
fourthly, placing the material sheets at the bottom and the side of the female die (1), and finishing the subsequent die pressing process according to the die pressing process;
step five, after the die pressing is completed, when the temperature is reduced to the room temperature, separating the female die (1) and the base (3) by an upper plate and a lower plate of a vulcanizing machine, separating the female die (1), the heat-insulating sleeve (4) and the male die (2) from the base (3), moving out the base (3), and separating the female die (1) to obtain the heat-insulating sleeve (4);
and step six, forming the bulges (204) to enable the heat insulation sleeve (4) to form a wire embedding groove, embedding an ignition wire in the wire embedding groove, and then filling the wire embedding groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021105961787 | 2021-05-30 | ||
| CN202110596178 | 2021-05-30 |
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| Publication Number | Publication Date |
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| CN113400549A CN113400549A (en) | 2021-09-17 |
| CN113400549B true CN113400549B (en) | 2022-09-16 |
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| CN202110687086.XA Active CN113400549B (en) | 2021-05-30 | 2021-06-21 | Special-shaped heat-insulating sleeve mould pressing die and operation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757453A (en) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | Pressing die for meter-scale buffer material circular building block and building block preparation method |
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| US6749794B2 (en) * | 2001-08-13 | 2004-06-15 | R + S Technik Gmbh | Method and apparatus for molding components with molded-in surface texture |
| CN100575037C (en) * | 2005-08-17 | 2009-12-30 | 刘自学 | Multifunctional valving die in strong body and manufacture method thereof |
| CN101380664A (en) * | 2008-10-23 | 2009-03-11 | 河南柴油机重工有限责任公司 | Sand core production technique capable of preventing core shooting and fire choking during casting production |
| CN104384285A (en) * | 2014-11-10 | 2015-03-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Forming device and forming method for V-shaped titanium alloy sector segment part |
| CN107351422B (en) * | 2016-07-08 | 2019-11-15 | 湖北航天化学技术研究所 | A kind of propellant charge jacket and its forming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112757453A (en) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | Pressing die for meter-scale buffer material circular building block and building block preparation method |
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| CN113400549A (en) | 2021-09-17 |
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