CN220745758U - Butylene propellant lock pin shaping frame - Google Patents
Butylene propellant lock pin shaping frame Download PDFInfo
- Publication number
- CN220745758U CN220745758U CN202322096297.3U CN202322096297U CN220745758U CN 220745758 U CN220745758 U CN 220745758U CN 202322096297 U CN202322096297 U CN 202322096297U CN 220745758 U CN220745758 U CN 220745758U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- propellant
- rocket
- roof
- shaping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003380 propellant Substances 0.000 title claims abstract description 25
- 238000007493 shaping process Methods 0.000 title claims abstract description 25
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 title description 4
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229960005235 piperonyl butoxide Drugs 0.000 claims description 6
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- -1 butyl hydroxyl Chemical group 0.000 description 10
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a butanediol propellant core insert molding frame, which comprises: the rocket shell is arranged in the frame body assembly; the guide plate is detachably connected to the upper end of the frame body assembly, and the upper part of the rocket shell is positioned at the inner side of the guide plate; the locating pin assemblies are respectively penetrated at two sides between the guide plate and the frame body assembly. Through deflector, go up lock nut, roof, bracing piece, bottom plate, foot cup, locating pin, shaping plug, locking screw, stopper and lower lock nut's cooperation, can improve pouring speed, the mode of back plug shaping plug has saved the time of watering the medicine greatly, the powder charge quality improves greatly after the shaping plug inserts, and no gas pocket bubble phenomenon produces after the grain solidification shaping for engine ignition is more stable, only needs put into the shaping frame with rocket case fixed back, shaping plug can slide in place by the dead weight along the deflector, with this operation is very simple, practice thrift the manpower.
Description
Technical Field
The utility model relates to the technical field of filling of a butylenes propellant engine, in particular to a butylenes propellant core insert forming frame.
Background
The hydroxyl-terminated polybutadiene composite solid propellant is named by the adhesive hydroxyl-terminated polybutadiene, which is also called as a butyl hydroxyl propellant, and the butyl hydroxyl propellant is widely applied to various solid rocket engines as a power source, mechanical property, combustion property and process property, and is a main function of the propellant, so that the butyl hydroxyl propellant is adopted to replace the polyvinyl chloride composite propellant, and further, larger energy is obtained.
The traditional forming method of the butyl hydroxy propellant is mainly to insert a core rod first and then cast the formed grain, the inner section of the existing rocket bomb grain is of a seven-star hole structure, when the core rod is inserted for casting, the minimum wall thickness position is smaller than 10mm, air hole bubbles cannot be effectively discharged when the butyl hydroxy propellant with larger viscosity is cast, sometimes the butyl hydroxy propellant is stuck at the minimum wall thickness position when the temperature is lower, and the butyl hydroxy propellant cannot be cast to the bottommost part, so that the casting speed in the traditional mode is required to be slowly cast, and a lot of scrapped situations occur although the casting speed is slow.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a butyl hydroxy propellant ferrule forming frame so as to solve the problems in the prior art.
A butoxide propellant ferrule forming stand comprising:
the rocket motor comprises a frame body assembly, wherein a rocket case is installed in the frame body assembly;
the guide plate is detachably connected to the upper end of the frame body assembly, and the upper part of the rocket shell is positioned at the inner side of the guide plate;
the positioning pin assemblies are respectively arranged on two sides between the guide plate and the frame body assembly in a penetrating way;
the forming core rod is inserted in the middle of the guide plate and the rocket shell, the lower portion of the forming core rod is in threaded connection with a locking screw, a plug is sleeved outside the locking screw, the plug is inserted in the lower portion of the rocket shell, and a lower locking nut is in threaded connection outside the locking screw and below the plug.
Specifically, support body subassembly includes lock nut, roof, bracing piece, bottom plate and foot cup, the roof sets up in the bottom plate top, the bracing piece has four and fixes respectively in bottom plate upper end four corners, bracing piece upper portion all is equipped with the screw thread protrusion, the perforation has all been opened in roof upper end four corners, screw thread protrusion alternates with the perforation one-to-one and sets up, it has four and one-to-one threaded connection in screw thread protrusion outside to go up lock nut, it hugs closely with roof upper portion to go up lock nut lower part, the foot cup has four, the foot cup is fixed respectively in the bottom plate lower extreme front and back and controls four sides.
Specifically, the front end of the top plate is provided with a U-shaped opening, the middle part of the bottom plate is provided with a central hole, and the rocket shell is arranged between the U-shaped opening and the central hole in a penetrating way.
Specifically, deflector lower part is hugged closely with the roof top, the locating pin subassembly includes locating pin and locating pin cap, the locating pin runs through and sets up between deflector and roof, the locating pin cap is located the roof below and overlaps and establish in the locating pin outside.
Specifically, the lower part of the forming core rod is provided with a thread groove, and the upper part of the locking screw rod is in threaded connection with the thread groove.
The beneficial effects are that: this butyl hydroxy propellant lock pin shaping frame passes through the deflector, go up lock nut, the roof, the bracing piece, the bottom plate, the foot cup, the locating pin, shaping plug, locking screw, stopper and lock nut's cooperation down, can improve pouring speed, the mode of back plug shaping plug has saved the time of watering greatly, the powder charge quality improves greatly after the shaping plug inserts, and no gas pocket bubble phenomenon produces after the grain solidification shaping for engine ignition is more stable, only need put into the rocket case and fix the back with the shaping frame, shaping plug can slide in place by the dead weight along the deflector, with this operation is very simple, practice thrift the manpower.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the entire lower part of the present utility model;
fig. 3 is a schematic side view in cross section of the entire body of the present utility model.
In the figure: 1-deflector, 2-upper lock nut, 3-roof, 4-bracing piece, 5-bottom plate, 6-foot cup, 7-locating pin subassembly, 8-rocket shell, 9-shaping plug, 10-lock screw, 11-stopper, 12-lower lock nut.
Detailed Description
Referring to fig. 1-3, a hydroxyl propellant ferrule forming stand, comprising:
the rocket body assembly is internally provided with a rocket body 8, the rocket body assembly comprises an upper lock nut 2, a top plate 3, a supporting rod 4, a bottom plate 5 and foot cups 6, the top plate 3 is arranged above the bottom plate 5, the supporting rod 4 is four and is respectively fixed at four corners of the upper end of the bottom plate 5, threaded protrusions are respectively arranged on the upper part of the supporting rod 4, through holes are respectively formed in four corners of the upper end of the top plate 3, the threaded protrusions are arranged in a one-to-one penetrating manner with the through holes, the upper lock nut 2 is provided with four and one-to-one threaded connections outside the threaded protrusions, the lower part of the upper lock nut 2 is tightly attached to the upper part of the top plate 3, the foot cups 6 are four, the foot cups 6 are respectively fixed on four sides of the front, back, left and right sides of the lower end of the bottom plate 5, the front end of the top plate 3 is provided with U-shaped openings, the middle part of the bottom plate 5 is provided with a central hole, the rocket shell 8 is inserted between the U-shaped opening and the central hole, the threaded protrusions at the upper part of the supporting rods 4 are inserted with the through holes of the top plate 3 in a one-to-one correspondence manner, then the upper lock nuts 2 are connected to the outside of the threaded protrusions in a threaded manner, the lower parts of the upper lock nuts 2 are tightly attached to the upper parts of the top plate 3, a frame assembly can be formed, then the whole frame assembly can be supported by the foot cup 6, a certain amount of butyl propellant is poured into the rocket shell 8, then the rocket shell 8 is installed in the frame assembly, and the rocket shell 8 is firstly inserted into the U-shaped opening of the top plate 3 from front to back and then is inserted into the central hole of the bottom plate 5 from top to bottom;
the guide plate 1 is detachably connected to the upper end of the frame body assembly, the upper part of the rocket shell 8 is positioned at the inner side of the guide plate 1, the lower part of the guide plate 1 is tightly attached to the top of the top plate 3, and after the rocket shell 8 is installed, the guide plate 1 can be sleeved on the upper outer part of the rocket shell 8 and tightly attached to the top of the top plate 3;
the positioning pin assembly 7 is provided with two groups, the positioning pin assembly 7 respectively penetrates through two sides between the guide plate 1 and the frame body assembly, the positioning pin assembly 7 comprises positioning pins and positioning pin caps, the positioning pins are arranged between the guide plate 1 and the top plate 3 in a penetrating manner, the positioning pin caps are positioned below the top plate 3 and sleeved outside the positioning pins, after the guide plate 1 is sleeved, the holes of the guide plate 1 are aligned with the holes of the top plate 3, then the positioning pins are inserted into the holes of the guide plate 1, the holes of the guide plate 1 are counter bores, so that the positioning pins are positioned in the holes of the guide plate 1, then the positioning pin caps are sleeved outside the positioning pins and are attached to the lower end face of the top plate 3, the guide plate 1 can be limited and stability can be realized through limiting the two groups of positioning pin assemblies 7;
the forming core rod 9 is inserted in the middle of the guide plate 1 and the rocket shell 8, the lower part of the forming core rod 9 is in threaded connection with a locking screw 10, the lower part of the forming core rod 9 is provided with a thread groove, the upper part of the locking screw 10 is in threaded connection with the thread groove, a plug 11 is sleeved outside the locking screw 10, the plug 11 is inserted in the lower part of the rocket shell 8, a lower locking nut 12 is in threaded connection outside the locking screw 10 and below the plug 11, after the guide plate 1 is installed, the forming core rod 9 slides in from top to bottom along a guide hole in the center of the guide plate 1, slides down to a position by dead weight after contacting a medicine surface, seven-star hole cross section forming is completed, finally the locking screw 10 is screwed into the thread groove in the lower part of the forming core rod 9, and the plug 11 is inserted in the lower part of the rocket shell 8, tightening the locking screw 10 prevents the shaping plug 9 from floating up in the transportation process, finally after solidification is completed in the hot oven, the rocket shell 8 is clamped by the clamping device, the shaping plug 9 can be withdrawn by propping the locking screw 10, thus, the butyl hydroxy propellant is poured firstly, then the contact pin is in a core hole structure, the wall thickness limitation is avoided, the pouring speed is improved obviously compared with the wall-attached pouring, no air hole bubble phenomenon exists in the solidified explosive column, the pouring speed can be improved, the pouring time is greatly saved in the mode of inserting the shaping plug 9 later, the charging quality is greatly improved after inserting the shaping plug 9, the engine ignition is more stable, and the shaping plug 8 can slide in place along the guide plate 1 by self weight after the rocket shell 8 is put into the shaping frame for fixing, so that the operation is very simple, and the manpower is saved.
Claims (5)
1. A butoxide propellant ferrule forming stand, comprising:
the rocket motor comprises a frame body assembly, wherein a rocket case (8) is installed in the frame body assembly;
the guide plate (1) is detachably connected to the upper end of the frame body assembly, and the upper part of the rocket shell (8) is positioned at the inner side of the guide plate (1);
the positioning pin assemblies (7) are arranged in two groups, and the positioning pin assemblies (7) are respectively arranged on two sides between the guide plate (1) and the frame body assembly in a penetrating mode;
shaping plug (9), shaping plug (9) peg graft in deflector (1) and rocket casing (8) middle part, shaping plug (9) lower part threaded connection has locking screw (10), locking screw (10) outside cover is equipped with stopper (11), stopper (11) peg graft with rocket casing (8) lower part, locking screw (10) outside just is located stopper (11) below threaded connection has lock nut (12).
2. A butoxide propellant ferrule forming stand as claimed in claim 1, wherein: the support body subassembly includes lock nut (2), roof (3), bracing piece (4), bottom plate (5) and foot cup (6), roof (3) set up in bottom plate (5) top, bracing piece (4) have four and fix respectively in bottom plate (5) upper end four corners, bracing piece (4) upper portion all is equipped with the screw thread protrusion, the perforation has all been opened in roof (3) upper end four corners, screw thread protrusion alternates the setting with the perforation one-to-one, go up lock nut (2) have four and one-to-one threaded connection in screw thread protrusion outside, it hugs closely with roof (3) upper portion to go up lock nut (2) lower part, foot cup (6) have four, foot cup (6) are fixed respectively in four sides around bottom plate (5) lower extreme.
3. A butoxide propellant ferrule forming stand as claimed in claim 2, wherein: the front end of the top plate (3) is provided with a U-shaped opening, the middle part of the bottom plate (5) is provided with a central hole, and the rocket shell (8) is arranged between the U-shaped opening and the central hole in a penetrating way.
4. A butoxide propellant ferrule forming stand as claimed in claim 3, wherein: the guide plate (1) lower part is hugged closely with roof (3) top, locating pin subassembly (7) are including locating pin and locating pin cap, the locating pin runs through and sets up between guide plate (1) and roof (3), locating pin cap is located roof (3) below and overlaps and establish in the locating pin outside.
5. A butoxide propellant ferrule forming stand as claimed in claim 1, wherein: the lower part of the forming core rod (9) is provided with a thread groove, and the upper part of the locking screw (10) is in threaded connection with the thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096297.3U CN220745758U (en) | 2023-08-04 | 2023-08-04 | Butylene propellant lock pin shaping frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096297.3U CN220745758U (en) | 2023-08-04 | 2023-08-04 | Butylene propellant lock pin shaping frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745758U true CN220745758U (en) | 2024-04-09 |
Family
ID=90557916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322096297.3U Active CN220745758U (en) | 2023-08-04 | 2023-08-04 | Butylene propellant lock pin shaping frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745758U (en) |
-
2023
- 2023-08-04 CN CN202322096297.3U patent/CN220745758U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |