CN110899445B - Mold and method for preparing sine type deployable sealing structure by spinning process - Google Patents
Mold and method for preparing sine type deployable sealing structure by spinning process Download PDFInfo
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- CN110899445B CN110899445B CN201911304053.1A CN201911304053A CN110899445B CN 110899445 B CN110899445 B CN 110899445B CN 201911304053 A CN201911304053 A CN 201911304053A CN 110899445 B CN110899445 B CN 110899445B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
A mold and a method for preparing a sine type deployable sealing structure by adopting a spinning process relate to the technical field of spinning processes. Aiming at solving the problem that the production efficiency is lower due to higher requirements on the assembly precision of the die and longer assembly time by adopting the existing processing technology when a large number of products are processed. Two hypotenuse upper surfaces of trapezoidal fixed plate are equipped with the boss respectively, and two boss symmetries set up, boss and trapezoidal fixed plate upper surface junction are equipped with the slide, the upper surface of boss is equipped with rectangular logical groove, the upper surface middle part of trapezoidal fixed plate is equipped with two rectangular holes, and two rectangular hole symmetries set up, the last sliding surface connection of slide and trapezoidal fixed plate is passed through to arc protruding piece group, the lower surface of trapezoidal fixed plate is equipped with the regulating unit, the minor face one end of trapezoidal fixed plate lower surface is equipped with the arc locating piece. The invention is suitable for manufacturing the sine type expandable sealing structure.
Description
Technical Field
The invention relates to the technical field of spinning processes, in particular to a die and a method for preparing a sinusoidal type deployable sealing structure by using a spinning process.
Background
The expandable sealing structure is a thin-wall shell structure which has small volume when being stored and transported and can be expanded into a large-volume state when being used, and the expandable sealing structure is still a sealed whole after being expanded. Therefore, the space is compact when the solar energy storage and transportation device is stored and carried, and the solar energy storage and transportation device can play a role in occasions with large-size and large-space requirements on structures when the solar energy storage and transportation device is used, such as human activity bases of outer space, connecting channels of spacecrafts, parabolic antenna panels of space radars, storage boxes in polar environments and the like. The generatrix of the sine expandable sealing structure is a wavy line formed by periodic repetition of a sine function curve and has a certain inclination angle. The size of the upper end face and the lower end face of the expandable sealing structure is different, and the expandable sealing structure has a larger expansion/folding volume ratio, so that the expandable sealing structure has obvious advantages when being used as a connecting channel of aerospace devices with different sizes.
The existing molding process of the sine type expandable sealing structure is compression molding. The process integrally forms by utilizing the male die and the female die on the press machine, the required die amount is large, the requirement on the die assembly precision is high, and the assembly time is long. In addition, due to one-time integral forming, local thinning and tensile cracking are easy to occur for the sine type deployable sealing structure with large groove depth. The spinning process has simple equipment requirement and needs a small amount of dies during molding. And local sectional forming can be realized, and the wall thickness of the formed product is uniform.
In conclusion, when a large number of products are processed, the existing processing technology is adopted, and the problem of low production efficiency is caused by high requirements on the assembly precision of the die and long assembly time.
Disclosure of Invention
The invention provides a die and a method for preparing a sinusoidal type deployable sealing structure by adopting a spinning process, aiming at solving the problem of low production efficiency caused by high assembly precision requirement and long assembly time of the die by adopting the existing processing technology when a large number of products are processed.
The invention relates to a die for preparing a sine type deployable sealing structure by adopting a spinning process, which comprises a trapezoidal fixing plate, an arc convex block group, an adjusting unit and an arc positioning block;
the upper surfaces of two bevel edges of the trapezoidal fixing plate are respectively provided with a boss, the two bosses are symmetrically arranged, a slide way is arranged at the joint of the boss and the upper surface of the trapezoidal fixing plate, a long through groove is arranged on the upper surface of the boss, two long holes are arranged in the middle of the upper surface of the trapezoidal fixing plate, the two long holes are symmetrically arranged, the arc-shaped boss group is slidably connected with the upper surface of the trapezoidal fixing plate through the slide way, the lower surface of the trapezoidal fixing plate is provided with an adjusting unit, and one end of a short edge of the lower surface of the trapezoidal fixing plate is provided with an arc-shaped positioning block;
furthermore, the arc-shaped bump group comprises a plurality of arc-shaped bumps, a bottom plate is arranged on the lower bottom surface of each arc-shaped bump, and threaded holes are formed in two ends of the upper surface of each bottom plate respectively;
furthermore, the heights of the arc-shaped lugs in the arc-shaped lug group are sequentially increased from inside to outside, the central shafts corresponding to the arc surfaces of the arc-shaped lugs are coaxial, the bottom plate is a right-angle trapezoidal plate, and the included angle between the right-angle side and the bevel edge of the trapezoid is equal to the circumferential included angle of the lugs in the arc-shaped lug group;
furthermore, the bottom plate is detachably connected with the trapezoidal fixing plate through bolts;
further, the circumferential curvature radius of the arc convex block group is not less than 1/3 of the diameter of the large end face of the expandable sealing structure;
furthermore, the adjusting unit comprises two fixed claws, a first connecting rod and a second connecting rod; the top end surface of each fixed claw is provided with a threaded hole, the bottom side surface of each fixed claw is provided with a sliding block, the side surface of the first connecting rod is provided with a long key groove, the first connecting rod is provided with two fixed claws, each fixed claw is connected with the first connecting rod in a sliding mode through the long key groove, the side surface of the upper portion of the second connecting rod is provided with the sliding block, and the top end of the second connecting rod is connected with the first connecting rod in a sliding mode through the sliding block;
furthermore, the fixed claw is fixedly connected with the lower surface of the trapezoidal fixed plate through a screw;
further, the distance between the two fixed claws is at least 10cm and at most 2/3 which is the radius of the large end face of the expandable sealing structure;
furthermore, three through grooves are formed in the outer circumferential surface of the arc-shaped positioning block, and the inner side surface of the arc-shaped positioning block 4 is coated with uniform graphite powder;
a method for preparing a sine type deployable sealing structure by adopting a spinning process comprises the following specific steps:
firstly, fixing a core mold on a core mold clamping table of a spinning machine;
clamping a metal plate blank with the thickness of 1mm at a position for discharging between a body and a tailstock of the spinning machine;
step three, assembling a forming device: sequentially pushing the 1 st, 2 nd and 3 rd bumps with smaller curvature radius in the arc bump group from the large end to the small end of the trapezoidal fixing plate, fixing the bumps by using screws, and connecting the trapezoidal fixing plate with the adjusting unit and the arc positioning block;
fourthly, the device is installed on a spinning wheel frame of the spinning machine after being assembled, and the position is adjusted along the radial direction, so that the arc-shaped positioning block is attached to a shaft of a tailstock of the spinning machine;
step five, the rotary wheel frame is pushed in the axial direction, and the first connecting rod and the second connecting rod are adjusted until the foremost end of the arc-shaped convex block group is attached to the blank;
step six, fixing the adjusting unit, setting process parameters to mold the 1 st, 2 nd and 3 rd grooves with smaller radius of the expandable sealing structure;
and seventhly, withdrawing the rotary wheel frame after the forming is finished, sequentially pushing 4 th, 5 th and 6 th convex blocks with smaller curvature radius in the arc convex block group from the large end to the small end of the trapezoidal fixing plate, fixing the convex blocks by using screws, and forming 4 th, 5 th and 6 th grooves with smaller radius of the expandable sealing structure.
Sequentially forming subsequent grooves;
and step eight, taking out the product after the molding is finished.
Compared with the prior art, the invention has the following beneficial effects:
the invention overcomes the defects of the prior art, the arc-shaped convex block group is connected with the upper surface of the trapezoid fixing plate in a sliding mode through the slide way, the arc-shaped convex block group comprises a plurality of arc-shaped convex blocks, when a product with larger size is processed, the using amount of a mould can be reduced, the arc-shaped convex block group is connected with the trapezoid fixing plate through the slide way, the assembly process of the mould is simpler, the using amount is less, and the production efficiency is improved.
The axial radian of the arc-shaped convex block is larger, and the pushing speed can be higher compared with that of a roller, so that the processing time can be reduced, and the production efficiency can be improved.
The adjusting unit adopted by the invention is a right-angle adjustable connecting rod, can be compatible with spinning machine equipment of different models, and adjusts the change of the rod moment and the gravity center caused by the quantity of the convex blocks, so that the arc-shaped convex blocks are stably attached to the blank, and the continuous working time can reach 10 hours.
Drawings
FIG. 1 is a schematic three-dimensional view of a mold for making sinusoidal deployable sealing structures using a spinning process in accordance with the present invention;
FIG. 2 is an axial three-dimensional view of a trapezoidal fixation plate in a mold for manufacturing a sinusoidal deployable sealing structure using a spinning process in accordance with the present invention;
FIG. 3 is a transverse three-dimensional perspective view of a trapezoidal retainer plate in a mold for making a sinusoidal deployable sealing structure using a spinning process in accordance with the present invention;
FIG. 4 is a bottom view of a set of arcuate lobes in a mold for making sinusoidal deployable sealing structures using a spinning process in accordance with the present invention;
FIG. 5 is a schematic three-dimensional view of a set of arcuate projections of a mold for making sinusoidal deployable sealing structures using a spinning process in accordance with the present invention;
FIG. 6 is a top view of a mold for forming a sinusoidal deployable sealing structure using a spinning process in accordance with the present invention;
FIG. 7 is a three-dimensional perspective view of a conditioning unit in a mold for making sinusoidal deployable sealing structures using a spinning process in accordance with the present invention;
FIG. 8 is a three-dimensional perspective view of a mandrel of a mold for making a sinusoidal deployable sealing structure using a spinning process in accordance with the present invention;
figure 9 is a sinusoidal deployable seal configuration made with a die for making a sinusoidal deployable seal configuration using a spinning process in accordance with the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and the mold for manufacturing the sinusoidal expandable sealing structure by using the spinning process according to the embodiment includes a trapezoidal fixing plate 1, an arc-shaped convex block group 2, an adjusting unit 3 and an arc-shaped positioning block 4;
the upper surfaces of two bevel edges of a trapezoidal fixing plate 1 are respectively provided with a boss, the two bosses are symmetrically arranged, a slide way 1-3 is arranged at the joint of the boss and the upper surface of the trapezoidal fixing plate 1, a strip through groove 1-1 is arranged on the upper surface of the boss, two strip holes 1-2 are arranged in the middle of the upper surface of the trapezoidal fixing plate 1, the two strip holes 1-2 are symmetrically arranged, an arc-shaped boss group 2 is slidably connected with the upper surface of the trapezoidal fixing plate 1 through the slide way 1-3, the lower surface of the trapezoidal fixing plate 1 is provided with an adjusting unit 3, and one end of a short edge of the lower surface of the trapezoidal fixing plate 1 is provided with an arc-shaped positioning block 4;
this embodiment adopts arc protruding block group to pass through the upper surface sliding connection of slide and trapezoidal fixed plate, and includes a plurality of arc protruding blocks in the arc protruding block group, when adding man-hour to the product of great size, can reduce the mould quantity to just have arc protruding block group to be connected with trapezoidal fixed plate through the slide, it is comparatively simple to the assembly process of mould, and the time spent is less, improves production efficiency.
The second embodiment is as follows: the present embodiment is described with reference to fig. 5 and 6, and is further limited to the mold according to the first embodiment, the mold according to the present embodiment is used for manufacturing a sinusoidal expandable sealing structure by using a spinning process, the arc-shaped convex block set 2 includes a plurality of arc-shaped convex blocks 2-1, a bottom plate 2-2 is disposed on a lower bottom surface of each arc-shaped convex block 2-1, and threaded holes are respectively disposed at two ends of an upper surface of the bottom plate 2-2;
this embodiment adopts the arc lug group to include a plurality of arc lugs, when adding man-hour to the product of great size, can reduce the mould quantity to just there is the arc lug group to be connected with trapezoidal fixed plate through the slide, and is comparatively simple to the assembly process of mould, and the time spent is less, improves production efficiency.
The third concrete implementation mode: the embodiment is described with reference to fig. 5 and 6, and is further limited by the mold according to the second embodiment, and the embodiment is a mold for manufacturing a sine expandable sealing structure by using a spinning process, wherein the heights of the arc-shaped bumps 2-1 in the arc-shaped bump group 2 are sequentially increased from inside to outside, the central axes corresponding to the arc surfaces of the arc-shaped bumps 2-1 are coaxial, the bottom plate 2-2 is a right-angle trapezoidal plate, and the included angles of the right-angle side and the bevel side of the trapezoid are equal to the circumferential included angle of the bumps in the arc-shaped bump group.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 5 and 6, and is further limited to the mold according to the third embodiment, in which a mold for manufacturing a sinusoidal expandable sealing structure by using a spinning process is described, and the bottom plate 2-2 is detachably connected to the trapezoidal fixing plate 1 by bolts;
according to the specific embodiment, the bottom plate 2-2 is detachably connected with the trapezoidal fixing plate 1 through the bolts, when a mold is assembled, the arc-shaped lugs 2-1 are respectively connected with the trapezoidal fixing plate 1 in a sliding mode through the slideways 1-3, one end of each bolt penetrates through the long through groove 1-1 in the trapezoidal fixing plate 1 and is in threaded connection with the threaded holes of the bottom plate 2-2, the arc-shaped lugs 2-1 are fixed with the trapezoidal fixing plate 1, and the positions and the number of the arc-shaped lugs 2-1 can be adjusted through the mode, so that the use is convenient, and the matching is simple.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 5 and 6, and is further limited to the mold according to the third embodiment, which is a mold for manufacturing a sinusoidal expandable sealing structure by using a spinning process, wherein the circumferential curvature radius of the arc-shaped convex block set 2 is not less than 1/3 of the diameter of the large end face of the expandable sealing structure;
in the specific embodiment, when the circumferential curvature radius of the bump is 0-10 cm, the curvature radius of the arc-shaped surface at the end part is 18-20 cm; when the circumferential curvature is 10-30 cm, the curvature radius of the arc-shaped surface at the end part is 13-15 cm; when the circumferential curvature is 30-50 cm, the curvature radius of the cambered surface at the end part is 8-10 cm.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 7, and is further limited to the mold according to the third embodiment, the mold according to the present embodiment is used for manufacturing a sinusoidal expandable sealing structure by using a spinning process, and the adjusting unit 3 includes two fixed claws 3-1, a first connecting rod 3-2, and a second connecting rod 3-3; the top end surface of the fixed claw 3-1 is provided with a threaded hole, the bottom side surface of the fixed claw 3-1 is provided with a sliding block, the side surface of the first connecting rod 3-2 is provided with a long-strip key groove, the first connecting rod 3-2 is provided with two fixed claws 3-1, each fixed claw 3-1 is in sliding connection with the first connecting rod 3-2 through the long-strip key groove, the side surface of the upper part of the second connecting rod 3-3 is provided with a sliding block, and the top end of the second connecting rod 3-3 is in sliding connection with the first connecting rod 3-2 through the sliding block;
in the specific embodiment, the adjusting unit 3 is adopted, different spinning machine devices can be compatible by adjusting the adjusting unit 3, and the adjustment is carried out according to the lever moment and the gravity center change caused by the number of the convex blocks; the convex module and the blank are reliably connected and stably formed for a long time.
The seventh embodiment: the present embodiment is described with reference to fig. 1 and 7, and is further limited to the mold according to the sixth embodiment, in which the mold for manufacturing the sinusoidal expandable sealing structure is manufactured by a spinning process, and the fixing claw 3-1 is fixedly connected to the lower surface of the trapezoidal fixing plate 1 by a screw.
The specific implementation mode is eight: referring to fig. 7, the present embodiment is further limited to the mold according to the sixth embodiment, and the mold for manufacturing the sine-shaped expandable sealing structure according to the present embodiment, which is manufactured by using the spinning process, has a distance between the two fixing claws 3-1 of at least 10cm and at most 2/3 which is a radius of a large end surface of the expandable sealing structure.
The specific implementation method nine: the present embodiment is described with reference to fig. 1, and is a further limitation to the mold according to the sixth embodiment, where the mold according to the present embodiment is used to prepare a sinusoidal expandable sealing structure by using a spinning process, the arc-shaped positioning block 4 is provided with three through grooves along the outer circumferential surface, and the inner side surface of the arc-shaped positioning block 4 is coated with uniform graphite powder;
this embodiment adopts arc locating piece 4 to be equipped with three logical groove along the circumference surface, and the medial surface of arc locating piece 4 paints even graphite powder, reduces the frictional force between arc locating piece 4 and the spinning-lathe tailstock to reduce the gravity of self.
The detailed implementation mode is ten: referring to fig. 1 to 7, the embodiment will be described, and a method for manufacturing a sinusoidal expandable sealing structure by using a spinning process in the embodiment includes the following specific steps:
firstly, fixing a core mold on a core mold clamping table of a spinning machine;
clamping a metal plate blank with the thickness of 1mm at a position for discharging between a body and a tailstock of the spinning machine;
step three, assembling a forming device: sequentially pushing the 1 st, 2 nd and 3 rd convex blocks with smaller curvature radius in the arc convex block group 2 from the large end to the small end of the trapezoidal fixing plate 1, fixing the convex blocks by using screws, and connecting the trapezoidal fixing plate with the adjusting unit 3 and the arc positioning block 4;
fourthly, the device is installed on a spinning wheel frame of the spinning machine after being assembled, and the position is adjusted along the radial direction, so that the arc-shaped positioning block 4 is attached to a shaft of a tailstock of the spinning machine;
fifthly, the rotary wheel frame is pushed in the axial direction, and the first connecting rod 3-2 and the second connecting rod 3-3 are adjusted until the foremost end of the arc-shaped convex block group (2) is attached to the blank;
step six, fixing the adjusting unit 3, setting technological parameters to mold the 1 st, 2 nd and 3 rd grooves with smaller radius of the expandable sealing structure;
and seventhly, withdrawing the rotary wheel frame after the forming is finished, sequentially pushing 4 th, 5 th and 6 th convex blocks with smaller curvature radius in the arc convex block group 2 from the large end to the small end of the trapezoidal fixing plate 1, fixing the convex blocks by using screws, and forming 4 th, 5 th and 6 th grooves with smaller radius of the expandable sealing structure. Sequentially forming subsequent grooves;
and step eight, taking out the product after the molding is finished.
Principle of operation
The working part of the spinning process is generally provided with a core mould and a spinning wheel, and the core mould of the device is similar to a female mould adopted by mould pressing. The forming method adopts local sectional forming, namely forming 1 st to 3 rd grooves with small radius as a first stage. And forming 4 th to 6 th grooves with slightly larger radius as a second stage, forming 7 th to 9 th grooves as a third forming stage, and extending according to the method. The local subsection forming adopts an arc convex block group to replace a rotary wheel, and after one-stage forming is finished, a convex block with large curvature radius required by the next-stage forming is assembled without disassembling the convex block group, so that the subsequent groove forming is finished;
the positioning of the projection in the trapezoidal fixing plate is completed by adapting the arc length of the projection to the distance between the trapezoidal grooves. After positioning, screws pass through the through grooves from the lower surface of the trapezoidal fixing plate and through the through holes in the lug base plate to the upper surface of the trapezoidal fixing plate, and are fixed through the screws and the nuts;
two through grooves of the splayed shape are formed in the inner side of the trapezoidal fixing plate, so that the connecting position is increased, and the connecting strength of the lug and the trapezoidal fixing plate is improved.
Claims (10)
1. Adopt the mould of sinusoidal type deployable seal structure of spinning preparation, its characterized in that: comprises a trapezoidal fixing plate (1), an arc convex block group (2), an adjusting unit (3) and an arc positioning block (4);
the upper surfaces of two inclined edges of a trapezoidal fixing plate (1) are respectively provided with a boss, the two bosses are symmetrically arranged, a slide way (1-3) is arranged at the joint of the boss and the upper surface of the trapezoidal fixing plate (1), a strip through groove (1-1) is arranged on the upper surface of the boss, two strip holes (1-2) are arranged in the middle of the upper surface of the trapezoidal fixing plate (1), the two strip holes (1-2) are symmetrically arranged, an arc convex block group (2) comprises a plurality of arc convex blocks (2-1), the heights of the arc convex blocks (2-1) are sequentially increased from inside to outside, central shafts corresponding to arc surfaces of the arc convex blocks (2-1) are coaxial, the arc convex block group (2) is connected with the upper surface of the trapezoidal fixing plate (1) in a sliding way (1-3), and an adjusting unit (3) is arranged on the lower surface of the trapezoidal fixing plate (1), an arc-shaped positioning block (4) is arranged at one end of the short side of the lower surface of the trapezoidal fixing plate (1).
2. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 1, wherein: the lower bottom surface of the arc-shaped convex block (2-1) is provided with a bottom plate (2-2), and two ends of the upper surface of the bottom plate (2-2) are respectively provided with a threaded hole.
3. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 2, wherein: the included angle of the right-angle side and the bevel edge of the trapezoidal fixing plate (1) is equal to the circumferential included angle of the bottom plate (2-2).
4. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 3, wherein: the bottom plate (2-2) is detachably connected with the trapezoidal fixing plate (1) through bolts.
5. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 2, wherein: the circumferential curvature radius of the arc-shaped convex block (2) is not less than 1/3 of the diameter of the large end face of the expandable sealing structure.
6. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 1, wherein: the adjusting unit (3) comprises two fixed claws (3-1), a first connecting rod (3-2) and a second connecting rod (3-3); the top end surface of the fixed claw (3-1) is provided with a threaded hole, the side face of the bottom of the fixed claw (3-1) is provided with a sliding block, the side face of the first connecting rod (3-2) is provided with a long-strip key groove, the first connecting rod (3-2) is provided with two fixed claws (3-1), each fixed claw (3-1) is in sliding connection with the first connecting rod (3-2) through the long-strip key groove, the side face of the upper part of the second connecting rod (3-3) is provided with a sliding block, and the top end of the second connecting rod (3-3) is in sliding connection with the first connecting rod (3-2) through the sliding block.
7. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 6, wherein: the fixed claw (3-1) is fixedly connected with the lower surface of the trapezoidal fixed plate (1) through a screw.
8. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 7, wherein: the distance between the two fixed claws (3-1) is at least 10cm and at most 2/3 which is the radius of the large end face of the expandable sealing structure.
9. The die for manufacturing the sinusoidal expandable sealing structure by the spinning process according to claim 1, wherein: the arc-shaped positioning block (4) is provided with three through grooves along the outer surface of the circumference, and the inner side surface of the arc-shaped positioning block (4) is coated with uniform graphite powder.
10. The use of a mold for making sinusoidal deployable sealing structures using a spinning process as claimed in claim 1, wherein: the specific method comprises the following steps:
firstly, fixing a core mold on a core mold clamping table of a spinning machine;
clamping a metal plate blank with the thickness of 1mm at a position for discharging between a body and a tailstock of the spinning machine;
step three, assembling a forming device: sequentially pushing the 1 st, 2 nd and 3 rd convex blocks with smaller curvature radius in the arc convex block group (2) from the large end to the small end of the trapezoidal fixing plate (1), fixing the convex blocks by using screws, and connecting the trapezoidal fixing plate with the adjusting unit (3) and the arc positioning block (4);
fourthly, the device is installed on a spinning wheel frame of the spinning machine after being assembled, and the position is adjusted along the radial direction, so that the arc-shaped positioning block (4) is attached to a shaft of a tailstock of the spinning machine;
fifthly, the rotary wheel frame is pushed in the axial direction, and the first connecting rod (3-2) and the second connecting rod (3-3) are adjusted until the foremost end of the arc-shaped convex block group (2) is attached to the blank;
step six, fixing the adjusting unit (3), setting technological parameters to mold the 1 st, 2 nd and 3 rd grooves with smaller radius of the expandable sealing structure;
seventhly, withdrawing the rotary wheel frame after the forming is finished, sequentially pushing 4 th, 5 th and 6 th convex blocks with smaller curvature radius in the arc convex block group (2) to a small end from the large end of the trapezoid fixing plate (1), fixing the convex blocks by using screws, forming 4 th, 5 th and 6 th grooves with smaller radius of the expandable sealing structure, and sequentially forming subsequent grooves;
and step eight, taking out the product after the molding is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911304053.1A CN110899445B (en) | 2019-12-17 | 2019-12-17 | Mold and method for preparing sine type deployable sealing structure by spinning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304053.1A CN110899445B (en) | 2019-12-17 | 2019-12-17 | Mold and method for preparing sine type deployable sealing structure by spinning process |
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| Publication Number | Publication Date |
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| CN110899445A CN110899445A (en) | 2020-03-24 |
| CN110899445B true CN110899445B (en) | 2021-08-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079731A (en) * | 2010-06-10 | 2013-05-01 | 米巴烧结奥地利有限公司 | Compacting device |
| CN106439023A (en) * | 2016-07-28 | 2017-02-22 | 浙江工业大学 | Cosine curve mechanical seal end surface structure |
| CN110560543A (en) * | 2019-10-08 | 2019-12-13 | 西北工业大学 | Spinning forming method of sealing ring with omega-shaped section |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7798536B2 (en) * | 2005-08-11 | 2010-09-21 | Weatherford/Lamb, Inc. | Reverse sliding seal for expandable tubular connections |
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2019
- 2019-12-17 CN CN201911304053.1A patent/CN110899445B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079731A (en) * | 2010-06-10 | 2013-05-01 | 米巴烧结奥地利有限公司 | Compacting device |
| CN106439023A (en) * | 2016-07-28 | 2017-02-22 | 浙江工业大学 | Cosine curve mechanical seal end surface structure |
| CN110560543A (en) * | 2019-10-08 | 2019-12-13 | 西北工业大学 | Spinning forming method of sealing ring with omega-shaped section |
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| CN110899445A (en) | 2020-03-24 |
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