Rocket engine mold core inserting machine

Abstract

The utility model discloses a rocket engine mold core inserting machine, which is used for inserting a mold core into an engine shell, and comprises an engine mounting frame assembly, a core mold quick assembling and disassembling assembly, a mold core frame assembly, a lifting mold inserting assembly and a sliding platform assembly, and a plurality of engine shell mounting positions are arranged on the engine mounting frame assembly; the core mold rapid assembling and disassembling assembly can be connected with a plurality of mold cores, and the number and the positions of the multiple mold cores correspond to the number and the positions of engine shell installation positions on the engine installation frame assembly. The mold core frame assembly is used for containing the core mold rapid assembling and disassembling assembly. The mold lifting and inserting assembly is used for lifting the mold core through the mold core frame assembly and inserting the mold core into an engine shell fixed on the engine mounting frame assembly; the sliding platform assembly is used for conveying the engine installation frame assembly and the mold core frame assembly to the preset mold inserting position and the preset mold lifting core plate position correspondingly. According to the utility model, through remote control and simultaneous mold insertion of a plurality of rocket engines, the working efficiency and the automation level are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rocket manufacturing, in particular to a rocket engine die core inserting machine. Background Art

[0002] Solid rocket engine solid propellant charging generally consists of the processes of mixing, pouring, curing, demoulding and shaping. Generally, before pouring a solid rocket engine, it is necessary to assemble the engine casing (700) coated with adhesive, the base and the core mold into one body, and then fill the cavity therein with flowing propellant slurry. After the slurry is cured, the core mold and the base positioning tooling are removed to form an engine charge product with a preset inner surface.

[0003] During the assembly process, the core mold hanging on the core mold frame needs to be removed and passed through the engine casing (700) to position it in the base positioning hole. In order to ensure that the inner surface of the drug column meets the preset size requirements and prevent the flowing propellant slurry from leaking and scratching the adhesive pre-coated on the inner wall of the casing, high requirements are placed on the positioning and assembly accuracy of the core mold. In the prior art, both mold loading and demolding are carried out by manual lifting; assembly is carried out by manual crane, and due to the swing of the crane movement, positioning is slow and assembly efficiency is low. When demolding, manual crane is used for demolding, and the crane pulling force is difficult to control, which can easily cause scratches on the drug surface and even cause safety accidents due to friction and fire. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and provide a rocket engine mold core machine. The utility model is a more efficient and safe solid rocket engine casting assembly and curing demolding system, which can realize remote control and simultaneous mold insertion of multiple rocket engines, greatly improving work efficiency and automation level.

[0005] In order to solve the above problems, the utility model provides a rocket engine mold core inserting machine, which is used to insert the mold core into the engine casing, and is characterized in that it includes:

[0006] An engine mounting bracket assembly, the engine mounting bracket assembly is used to mount and fix the engine housing, and the engine mounting bracket assembly is provided with a plurality of engine housing mounting positions;

[0007] A core mold quick-loading and disassembly assembly, the core mold quick-loading and disassembly assembly is used to connect the mold core, and the core mold quick-loading and disassembly assembly can be connected to multiple mold cores, and the number and positions of the multiple mold cores correspond to the number and positions of the engine housing mounting positions on the engine mounting frame assembly;

[0008] A mold core frame assembly, wherein the mold core frame assembly is used to place a core mold quick assembly and disassembly assembly;

[0009] A lifting insert mold assembly, the lifting insert mold assembly is used to lift the mold core through the mold core frame assembly and insert the mold core into the engine housing fixed on the engine mounting frame assembly;

[0010] The sliding platform assembly, the engine mounting frame assembly and the core frame assembly are both arranged on the sliding platform assembly, and the sliding platform assembly is used to send the engine mounting frame assembly and the core frame assembly to the predetermined positions of the inserting mold and lifting mold core plate respectively.

[0011] The above-mentioned rocket engine core inserting machine is characterized in that: the engine mounting frame assembly includes an engine mounting frame base, an engine mounting frame column and an engine mounting frame upper fixed plate; one end of the engine mounting frame column is detachably connected to the engine mounting frame base, and the other end of the engine mounting frame column is detachably connected to the engine mounting frame upper fixed plate, and the distance between the engine mounting frame upper fixed plate and the engine mounting frame base can be adjusted to adapt to the fixed installation of engine casings of different specifications.

[0012] The above-mentioned rocket engine core insertion machine is characterized in that: the core mold quick loading and unloading assembly includes a core frame connecting shaft, a core frame connecting plate, a core plate and a quick connector for quickly loading and unloading the charge core, one end of the core frame connecting shaft is connected to one end of the core frame connecting plate, the other end of the core frame connecting plate is connected to the core plate, and the quick connector is arranged on the core plate.

[0013] The above-mentioned rocket engine core inserting machine is characterized in that: the quick connector includes a core rivet, a quick-insert inner sleeve, a quick-insert outer sleeve, a locking steel ball and a quick-insert sleeve ejector pin, the core rivet is provided with a locking ring groove that matches the locking steel ball, the quick-insert outer sleeve is sleeved on the outside of the quick-insert inner sleeve, and can slide up and down along the quick-insert inner sleeve, moving from a first working position to a second working position, the quick-insert inner sleeve is provided with a through hole for installing the locking steel ball, and the quick-insert outer sleeve pushes the locking steel ball along the through hole during the process of moving from the first working position to the second working position The mold core rivet moves inward and locks the core rivet inserted into the quick-insertion inner sleeve by cooperating with the locking ring groove. The core rivet is provided with a pillow block. One end of the quick-insertion sleeve top pin is connected to the quick-insertion outer sleeve. The other end of the quick-insertion sleeve top pin contacts the table surface of the pillow block, and as the core rivet moves, the quick-insertion outer sleeve is pushed to move from the second working position to the first working position. The core rivet is also provided with a quick-insertion sleeve top pin notch. The quick-insertion sleeve top pin can be inserted into the quick-insertion sleeve top pin notch, so that the quick-insertion outer sleeve moves from the first working position to the second working position to lock the core rivet.

[0014] The above-mentioned rocket engine core insertion machine is characterized in that: the core frame assembly includes a core frame shield, an anti-collision plate, a core plate positioning pin and a core plate blocking column, the anti-collision plate is arranged on the inner side of the core frame shield, the lower end of the core frame shield is fixed on the sliding platform assembly, the upper end of the core frame shield is used to place the core mold quick loading and unloading assembly, and when the core mold quick loading and unloading assembly is placed on the core frame shield, the core connected to the core mold quick loading and unloading assembly is located in the core frame shield, the upper end of the core frame shield is also provided with a core plate positioning pin for positioning the core mold quick loading and unloading assembly, the core frame shield is provided with a core frame shield notch for facilitating the core connected to the lower end of the core mold quick loading and unloading assembly to enter the core frame shield, and the upper end of the core frame shield is provided with a core plate blocking column on the side opposite to the core frame shield notch.

[0015] The above-mentioned rocket engine mold core machine is characterized in that: the rocket engine mold core machine also includes a base, the lifting mold insertion assembly includes a pillar, a guide member, a movable beam, a grabbing mechanism and a lifting mechanism, the pillar is fixed on the base, the guide member is fixed on the pillar, the movable beam is slidably connected to the guide member, and can slide up and down along the guide member, the lifting mechanism is connected to the movable beam and is used to drive and control the movable beam to move up and down along the guide member and the position of the movable beam, the grabbing mechanism is arranged on the movable beam, and is used to grab the core mold quick loading and unloading assembly, and drives the core mold quick loading and unloading assembly to move with the up and down movement of the movable beam.

[0016] The above-mentioned rocket engine core inserting machine is characterized in that: the sliding platform assembly includes an engine frame base for placing an engine mounting frame assembly, a positioning block for positioning the engine mounting frame assembly, a locking device for locking the engine mounting frame assembly placed on the engine frame base, a sliding platform base, an engine slide bottom plate, a private service drive component, a guide rail, a slider bearing, a rack and a gear, the guide rail and the rack are both fixed on the sliding platform base, and the guide rail and the rack are arranged in parallel, the slider bearing is installed at the bottom of the engine slide bottom plate and is slidably connected to the guide rail, the private service drive component, the engine frame base, the positioning block and the locking device are all fixed on the upper part of the engine slide bottom plate, the private service drive component is connected to the gear and is used to drive the gear to rotate, the gear is meshed with the rack, and the core frame assembly is also fixedly mounted on the upper part of the engine slide bottom plate.

[0017] The above-mentioned rocket engine core inserting machine is characterized in that: the engine mounting frame base includes a core frame positioning flange, a mounting plate, an engine base frame and a roller assembly, and the mounting plate is arranged on the upper part of the core frame positioning flange and is fixedly connected to the core frame positioning flange;

[0018] The number of the engine base frames is multiple, and the multiple engine base frames are evenly arranged on the upper part of the mounting plate along the circumference of the mounting plate;

[0019] The number of the roller assemblies is three or more, and they are evenly arranged on the edges of the outer circumference of the mounting plate, so as to prevent the engine mounting frame assembly from colliding or scratching the inner wall of the curing barrel when it is installed into the curing barrel;

[0020] The roller assembly comprises a roller and a roller fixing seat, the roller is rotatably mounted on the roller fixing seat, and the roller fixing seat is mounted on the edge of the outer circumference of the mounting plate.

[0021] The above-mentioned rocket engine mold core inserting machine is characterized in that: the grasping mechanism includes a quick-release joint sleeve, a quick-release joint steel ball sleeve, a quick-release joint locking steel ball, a movable crossbeam bushing and a quick-release joint sleeve driving device, the movable crossbeam bushing passes through the middle part of the movable crossbeam and is fixedly connected to the movable crossbeam, the lower end of the quick-release joint steel ball sleeve is fixedly connected to the upper end of the movable crossbeam bushing, the quick-release joint sleeve is sleeved on the outer side of the upper part of the quick-release joint steel ball sleeve, the quick-release joint locking steel ball is embedded in the side wall of the quick-release joint steel ball sleeve, and the diameter of the quick-release joint locking steel ball is larger than the quick-release joint steel ball sleeve embedded in the quick-release joint lock The thickness of the side wall of the tightening steel ball section, one end of the quick-release joint sleeve driving device is fixed on the movable crossbeam, and the other end of the quick-release joint sleeve driving device is connected to the quick-release joint sleeve, and is used to drive the quick-release joint sleeve to slide downward along the outer wall of the quick-release joint steel ball sleeve, so as to push the quick-release joint locking steel ball to move inward to lock the upper end of the core mold quick-loading and disassembly assembly inserted in the quick-release joint steel ball sleeve in the quick-release joint steel ball sleeve, or drive the quick-release joint sleeve to slide upward along the outer wall of the quick-release joint steel ball sleeve to make room for the quick-release joint locking steel ball to move outward, and loosen the upper end of the core mold quick-loading and disassembly assembly inserted in the quick-release joint steel ball sleeve.

[0022] The above-mentioned rocket engine mold core machine is characterized in that: the movable crossbeam also includes a push rod and a push rod driving device, the number of the push rods is multiple, the number of the multiple push rods corresponds to the number of quick connectors, and the push rod is located directly above the quick connector on the core mold quick loading and unloading assembly connected to the lower end of the movable crossbeam, and the push rod driving device is fixed on the movable crossbeam and is used to push the push rod to give a tightening force to the quick connector directly below it. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the utility model is shown.

[0024] Figure 2 A three-dimensional structural schematic diagram of an engine mounting bracket assembly in an embodiment of the utility model is shown.

[0025] Figure 3 A cross-sectional view of an engine mounting bracket assembly in an embodiment of the present invention is shown.

[0026] Figure 4 A three-dimensional structural schematic diagram of a core mold quick assembly and disassembly assembly in an embodiment of the utility model is shown.

[0027] Figure 5 The three-dimensional structure schematic diagram of the quick connector in the embodiment of the utility model is shown.

[0028] Figure 6 A cross-sectional view of a quick connector in an embodiment of the utility model is shown.

[0029] Figure 7 A three-dimensional structural schematic diagram of a core rivet in an embodiment of the utility model is shown.

[0030] Figure 8 The three-dimensional structure schematic diagram of the quick-insert inner sleeve in the embodiment of the utility model is shown.

[0031] Fig. 9 A three-dimensional structural schematic diagram of a sliding platform assembly and a core frame assembly in an embodiment of the utility model is shown.

[0032] Fig.10 A three-dimensional structural schematic diagram of the lifting and inserting mold assembly in an embodiment of the utility model is shown.

[0033] Fig.11 A cross-sectional view of a movable crossbeam in an embodiment of the utility model is shown.

[0034] Description of reference numerals:

[0035] 100—engine mounting frame assembly; 110—engine mounting frame base;

[0036] 111—positioning flange of mold core frame; 111-1—conical hole;

[0037] 112—mounting plate; 112-1—positioning notch; 113—engine base frame;

[0038] 114 - roller assembly; 120 - engine mounting frame column; 121 - column body;

[0039] 122—engine frame lifting spline shaft; 123—engine frame screw shaft;

[0040] 124—engine frame nut; 125—engine frame transfer bracket; 126—anti-rotation plate;

[0041] 130—Fixed plate on engine mounting frame; 200—Quick assembly and disassembly assembly of core mold;

[0042] 210—mold core frame connecting shaft; 220—mold core frame connecting plate; 230—mold core plate;

[0043] 231—positioning arc notch; 232—positioning hole of core plate;

[0044] 240—Quick connector; 241—Core rivet; 241-1—Locking ring groove;

[0045] 241-2—pillow block; 241-3—quick-insert sleeve ejector pin notch; 242—quick-insert inner sleeve;

[0046] 242-1—through hole; 242-2—limiting groove; 243—quick-insert jacket;

[0047] 244—locking steel ball; 245—quick-insert sleeve ejector pin; 246—quick-connector outer shell;

[0048] 247—lower bearing; 248—upper bearing; 249—bearing gland;

[0049] 250—Quick-insert sleeve retaining ring; 251—Quick-insert sleeve vertical retaining rod; 252—Quick-insert sleeve horizontal retaining rod;

[0050] 253—Quick-insert sleeve spring; 254—Quick-insert sleeve gasket; 255—Shaft retaining ring;

[0051] 300—core frame assembly; 311—core frame shield notch; 310—core frame shield;

[0052] 320—anti-collision plate; 330—core plate positioning pin; 340—core plate stop column;

[0053] 400—lifting insert assembly; 410—pillar; 411—first pillar;

[0054] 412—Second Pillar; 413—Third Pillar; 414—Fourth Pillar;

[0055] 415—movable crossbeam slider bent plate; 420—guide member; 430—movable crossbeam;

[0056] 431—rod; 432—rod driving device; 440—grasping mechanism;

[0057] 441—Quick release joint jacket; 442—Quick release joint steel ball sleeve;

[0058] 443—Quick-release joint locking steel ball; 444—Movable crossbeam bushing;

[0059] 445—Quick-release joint housing drive device; 450—Lifting mechanism;

[0060] 451 - lifting motor; 452 - speed reducer; 453 - first transmission shaft;

[0061] 454—second transmission shaft; 455—first commutator; 456—second commutator;

[0062] 457—first lifting screw rod; 458—second lifting screw rod;

[0063] 459—a first lifting screw driven end support; 470—a second lifting screw driven end support;

[0064] 460—upper crossbeam; 500—sliding platform assembly; 510—engine frame base;

[0065] 520—positioning block; 530—locking device; 540—engine slide base plate;

[0066] 550—private service drive component; 560—guide rail; 570—rack;

[0067] 600—base; 700—engine housing. DETAILED DESCRIPTION

[0068] Embodiments of the present invention will be described in more detail herein with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein, which are instead provided for a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0069] like Figure 1As shown, the utility model provides a rocket engine core inserting machine, which is used to insert the core into the engine casing 700, and includes an engine mounting frame assembly 100, a core mold quick-loading and disassembly assembly 200, a core mold frame assembly 300, a lifting and inserting mold assembly 400 and a sliding platform assembly 500; the engine mounting frame assembly 100 is used to install and fix the engine casing 700, and a plurality of engine casing 700 installation positions are arranged on the engine mounting frame assembly 100; the core mold quick-loading and disassembly assembly 200 is used to connect the core, and the core mold quick-loading and disassembly assembly 200 can connect multiple cores, and the number and position of the multiple cores The positions correspond to the number and positions of the mounting positions of the engine casing 700 on the engine mounting frame assembly 100; the core frame assembly 300 is used to place the core mold quick-loading and disassembly assembly 200 connected to the core; the lifting and inserting mold assembly 400 is used to lift the core through the core frame assembly 300, and insert the core into the engine casing 700 fixed on the engine mounting frame assembly 100; the engine mounting frame assembly 100 and the core frame assembly 300 are both arranged on the sliding platform assembly 500, and the sliding platform assembly 500 is used to send the engine mounting frame assembly 100 and the core frame assembly 300 to the predetermined positions respectively. First, the sliding platform assembly 500 delivers the core frame assembly 300 to a predetermined position, that is, inside the lifting mold insert assembly 400, and the lifting mold insert assembly 400 grabs the core mold quick-loading and disassembly assembly 200 placed on the sliding platform assembly 500, and lifts it to a predetermined height, that is, the height of the bottom of the mold core is higher than the top of the core frame assembly 300 and the engine mounting frame assembly 100; the sliding platform assembly 500 delivers the engine mounting frame assembly 100 to a predetermined position, that is, directly below the core mold quick-loading and disassembly assembly 200 lifted by the lifting mold insert assembly 400, and the lifting mold insert assembly 400 moves downward, inserts the core below the core mold quick-loading and disassembly assembly 200 into the engine housing 700 below it, and completes the mold insertion process. The utility model realizes the simultaneous mold insertion of multiple engines, greatly improving the work efficiency and automation level.

[0070] like Figure 2 As shown, the engine mounting frame assembly 100 includes an engine mounting frame base 110, an engine mounting frame column 120 and an engine mounting frame upper fixing plate 130; one end of the engine mounting frame engine mounting frame column 120 is detachably connected to the engine mounting frame base 110, and the other end of the engine mounting frame engine mounting frame column 120 is detachably connected to the engine mounting frame upper fixing plate 130, and the distance between the engine mounting frame upper fixing plate 130 and the engine mounting frame base 110 can be adjusted to adapt to the fixed installation of engine casings 700 of different specifications.

[0071] like Figure 2 and Figure 3As shown, the engine mounting frame base 110 includes a core frame positioning flange 111, a mounting plate 112, an engine mounting frame 113 and a roller assembly 114. The mounting plate 112 is arranged on the upper part of the core frame positioning flange 111 and is fixedly connected to the core frame positioning flange 111. The number of the engine mounting frames 113 is multiple, and the multiple engine mounting frames 113 are evenly arranged on the upper part of the mounting plate 112 along the circumference of the mounting plate 112; the number of the roller assemblies 114 is three or more, and they are evenly arranged on the edges of the outer circumference of the mounting plate 112 to prevent the engine mounting frame assembly 100 from colliding or scratching the inner wall of the curing barrel when it is installed in the curing barrel. The roller assembly 114 includes a roller and a roller fixing seat. The roller is rotatably mounted on the roller fixing seat, and the roller fixing seat is mounted on the edge of the outer circumference of the mounting plate 112.

[0072] The mounting plate 112 is also provided with a positioning notch 112-1, and the bottom center of the core frame positioning flange 111 is provided with a positioning and guiding conical hole 111-1, and the positioning notch and the conical hole are used to guide and position the engine mounting frame assembly 100 when the engine mounting frame assembly 100 is placed on the sliding platform assembly 500.

[0073] like Figure 2 and Figure 3 As shown, the engine mounting frame column 120 includes a column body 121, an engine frame lifting spline shaft 122, an engine frame screw shaft 123, an engine frame nut 124 and an engine frame transfer bracket 125; the lower end of the column body 121 is fixedly connected to the mounting plate 112 by screws, the column body 121 is a hollow columnar structure, the engine frame nut 124 is fixed in the hollow inside of the column body 121, the upper part of the inner wall of the column body 121 is provided with a spline groove that matches the engine frame lifting spline shaft 122, the engine frame lifting spline shaft 122 is inserted into the hollow of the column body 121 from the upper part of the column body 121, and matches with the spline groove; the engine frame lifting spline shaft 122 is opened A through hole is provided, and the lower end of the engine frame screw shaft 123 is threadedly connected with the engine frame nut 124 after passing through the through hole, and the middle part of the engine frame screw shaft 123 is rotatably connected with the engine frame lifting spline shaft 122. When the engine frame screw shaft 123 rotates, under the threaded cooperation of the engine frame screw shaft 123 and the engine frame nut 124, the engine frame screw shaft 123 moves up and down relative to the engine frame nut 124, and then drives the engine frame lifting spline shaft 122 to move up and down through the rotational connection between the middle part of the engine frame screw shaft 123 and the engine frame lifting spline shaft 122, thereby realizing the adjustment of the distance between the fixed disk component 130 and the base component 110 to adapt to the fixed installation of engine casings 700 of different specifications.

[0074] In this embodiment, the engine mounting frame column 120 also includes an anti-rotation plate 126, one end of the anti-rotation plate 126 is connected to the upper end of the engine frame screw shaft 123, and the other end of the anti-rotation plate 126 is connected to the upper end of the engine frame lifting spline shaft 122.

[0075] In this embodiment, the upper end of the engine frame screw shaft 123 is a columnar structure with a same cross-section and multi-faceted side surfaces, such as a prism, a gear column, a spline column, etc.; the end of the anti-rotation plate 126 connected to the engine frame screw shaft 123 is provided with a hole corresponding to the upper end structure of the engine frame screw shaft 123, so that the anti-rotation plate 126 can be mounted on the upper end of the engine frame screw shaft 123 and cannot rotate relative to the engine frame screw shaft 123; the other end of the anti-rotation plate 126 is fixedly connected to the upper end of the engine frame lifting spline shaft 122 by a screw, thereby connecting the engine frame lifting spline shaft 122 to the engine frame screw shaft 123, locking the engine frame screw shaft 123 to prevent the height of the engine mounting frame column 120 from changing.

[0076] like Figure 3 As shown, a hexagonal hole is provided at the top center hole position of the upper end of the engine frame screw shaft 123. When adjustment is required, only the anti-rotation plate 126 needs to be removed, the hexagonal wrench is inserted into the hexagonal hole, and the engine frame screw shaft 123 is rotated to adjust the height of the engine mounting frame column 120. The adjustment is simple and flexible, and it is convenient to install engine housings 700 of different specifications.

[0077] like Figures 4 to 6 As shown, the core mold quick loading and unloading assembly 200 includes a core frame connecting shaft 210, a core frame connecting plate 220, a core plate 230 and a quick connector 240 for quickly loading and unloading the charge core, one end of the core frame connecting shaft 210 is connected to one end of the core frame connecting plate 220, the other end of the core frame connecting plate 220 is connected to the core plate 230, and the quick connector 240 is arranged on the core plate 230.

[0078] like Figure 4 As shown, the core plate 230 is provided with a positioning arc-shaped notch 231 and a core plate positioning hole 232 .

[0079] The quick connector 240 includes a core rivet 241, a quick-insert inner sleeve 242, a quick-insert outer sleeve 243, a locking steel ball 244 and a quick-insert sleeve ejector pin 245. The core rivet 241 is provided with a locking ring groove 241-1 that matches the locking steel ball 244. The quick-insert outer sleeve 243 is sleeved on the outer side of the quick-insert inner sleeve 242 and can slide up and down along the inner sleeve of the quick-insert inner sleeve 242 from a first working position to a second working position. The quick-insert inner sleeve 242 is provided with a through hole 242-1 for installing the locking steel ball 244. During the process of the quick-insert outer sleeve 243 moving from the first working position to the second working position, the locking steel ball 244 is pushed inward along the through hole 242-1 and is locked by the locking ring groove 241- 1 cooperates with and locks the core rivet 241 inserted into the quick-insertion inner sleeve 242, the core rivet 241 is provided with a pillow block 241-2, one end of the quick-insertion sleeve ejector pin 245 is connected to the quick-insertion outer sleeve 243, the other end of the quick-insertion sleeve ejector pin 245 contacts the table surface of the pillow block 241-2, and pushes the quick-insertion outer sleeve 243 from the second working position to the first working position as the core rivet 241 moves, and the core rivet 241 is further provided with a quick-insertion sleeve ejector pin notch 241-3, the quick-insertion sleeve ejector pin 245 can be inserted into the quick-insertion sleeve ejector pin notch 241-3, so that the quick-insertion outer sleeve 243 moves from the first working position to the second working position to lock the core rivet 241, thereby locking the core rivet 241.

[0080] like Figures 5 to 9 As shown, the quick connector 240 also includes a quick connector outer shell 246, a lower bearing 247, an upper bearing 248, a bearing pressure cover 249, a quick-insertion sleeve retaining ring 250, a quick-insertion sleeve vertical gear rod 251, a quick-insertion sleeve horizontal gear rod 252, a quick-insertion sleeve spring 253, a quick-insertion sleeve gasket 254 and a shaft retaining ring 255. The quick-insertion inner sleeve 242 is rotatably installed in the quick connector outer shell 246 through the lower bearing 247 and the upper bearing 248. The bearing pressure cover 249 is fixed on the quick connector outer shell 246 and is located above the upper bearing 248 to press the upper bearing 248.

[0081] In this embodiment, the lower bearing 247 and the upper bearing 248 are both thrust bearings, which can limit the upper and lower positions of the quick-insert inner sleeve 242 relative to the quick connector outer shell 246.

[0082] The quick-insert outer sleeve 243 is sleeved on the outside of the quick-insert inner sleeve 242 and is slidably connected to the quick-insert inner sleeve 242. The diameter of the locking steel ball 244 is greater than the wall thickness of the section where the through hole 242-1 on the quick-insert inner sleeve 242 is located.

[0083] The inner wall diameter of the lower part of the quick-insert outer sleeve 243 is larger than the outer diameter of the through hole 242-1 section of the quick-insert inner sleeve 242, so that when the lower part of the quick-insert outer sleeve 243 moves to the position of the through hole 242-1 on the quick-insert inner sleeve 242, the locking steel ball 244 can move outward, and the side of the locking steel ball 244 close to the inside of the quick-insert inner sleeve 242 can be flush with the inner wall of the quick-insert inner sleeve 242 or slightly lower than the inner wall of the quick-insert inner sleeve 242, so that the core rivet 241 can be inserted into the quick-insert inner sleeve 242. At this time, the position of the quick-insert outer sleeve 243 is the second working position.

[0084] The quick-insert sleeve spring 253 is sleeved on the outer side of the upper part of the quick-insert inner sleeve 242, and the lower end of the quick-insert sleeve spring 253 is pressed against the quick-insert outer sleeve 243. The upper end of the quick-insert sleeve spring 253 is pressed against the quick-insert inner sleeve 242 through the quick-insert sleeve gasket 254 and the shaft retaining ring 255, so as to provide a rebound force for the relative movement between the quick-insert outer sleeve 243 and the quick-insert inner sleeve 242.

[0085] In this embodiment, the shaft retaining ring 255 is a shaft wire retaining ring.

[0086] The quick-connect sleeve vertical gear rod 251 is fixed on the bearing pressure cover 249, and the quick-connect sleeve horizontal gear rod 252 is fixed on the quick-connect sleeve outer sleeve 243 by threads, and the axial direction of the quick-connect sleeve horizontal gear rod 252 is perpendicular to the axial direction of the quick-connect sleeve vertical gear rod 251. The height of the quick-connect sleeve vertical gear rod 251 is higher than the plane where the quick-connect sleeve horizontal gear rod 252 is located. When the quick-connect sleeve horizontal gear rod 252 rotates around the central axis of the quick-connect inner sleeve 242, it can be blocked by the quick-connect sleeve vertical gear rod 251 fixed on the bearing pressure cover 249.

[0087] A limiting groove 242-2 is provided on the side wall of the quick-insert inner sleeve 242 along its axial direction, and one end of the quick-insert sleeve horizontal stop rod 252 connected to the quick-insert outer sleeve 243 passes through the quick-insert outer sleeve 243 and extends into the limiting groove 242-2, so that the quick-insert outer sleeve 243 and the quick-insert inner sleeve 242 can slide up and down relative to each other but cannot rotate relative to each other.

[0088] There are multiple quick-insertion sleeve vertical gear rods 251 , and two quick-insertion sleeve vertical gear rods 251 are used in this embodiment.

[0089] The lower end of the core rivet 241 can be connected to the core mold transition joint, so that different cores can be easily connected.

[0090] The specific installation process of the mold core is as follows: connect the mold core to the lower end of the mold core rivet 241 through the core mold transition joint, insert the mold core rivet 241 along the bottom of the quick connector 240, and insert it into the quick-insert inner sleeve 242. During the insertion process, the surface of the pillow block 241-2 contacts the bottom of the quick-insert sleeve top pin 245. As the mold core rivet 241 is inserted, the mold core rivet 241 uses the pillow block 241-2 to push the quick-insert sleeve top pin 245, and the quick-insert sleeve top pin 245 pushes the quick-insert outer sleeve 243 connected to its other end. The quick-insert outer sleeve 243 compresses the quick-insert sleeve spring 253 and slides upward along the outer wall of the quick-insert inner sleeve 242. When the quick-insert outer sleeve 243 slides to the second working position, the locking steel ball 244 can move outward, and the mold core rivet 241 continues to be inserted along the inner wall of the quick-insert inner sleeve 242 until it is inserted into place; rotate the mold core rivet 241. Due to the quick-insert sleeve vertical gear rod 251 The outer sleeve 243 is pressed against the inner sleeve 242 and the outer sleeve 243 is pressed against the inner sleeve 242. The outer sleeve 243 is pressed against the inner sleeve 242 and the inner sleeve 243 is pressed against the inner sleeve 242.

[0091] When removing the mold core, lift the quick-insert sleeve 243 to move it from the first working position to the second working position. At this time, the locking steel ball 244 moves outward, loosens the mold core rivet 241, and the mold core rivet 241 and the mold core can be removed together.

[0092] like Fig.10As shown, the core frame assembly 300 includes a core frame shield 310, an anti-collision plate 320, a core plate positioning pin 330 and a core plate blocking column 340, wherein the anti-collision plate 320 is arranged on the inner side of the core frame shield 310, and the number of the anti-collision plates 320 is multiple, and the multiple anti-collision plates 320 are arranged on the inner side of the core frame shield 310 from bottom to top or from top to bottom, and the lower end of the core frame shield 310 is fixed on the sliding platform assembly 500, and the core frame shield 310 can be fixed on the sliding platform assembly 500 by screws; the upper end of the core frame shield 310 is used to place the core mold quick loading and unloading assembly Part 200, and when the core mold quick-loading and disassembly assembly 200 is placed on the core mold frame shield 310, the core connected to the core mold quick-loading and disassembly assembly 200 is located in the core mold frame shield 310, and the upper end of the core mold frame shield 310 is also provided with a core plate positioning pin 330 for positioning the core mold quick-loading and disassembly assembly 200, and the side wall of the core mold frame shield 310 is provided with a core frame shield notch 311 for facilitating the core connected to the lower end of the core mold quick-loading and disassembly assembly 200 to enter the core frame shield 310, and the upper end of the core mold frame shield 310 is provided with a core plate blocking column 340 on the side opposite to the core mold frame shield notch 311.

[0093] The sliding platform assembly 500 includes an engine frame base 510 for placing the engine mounting frame assembly 100, a positioning block 520 for positioning the engine mounting frame assembly 100, a locking device 530 for locking the engine mounting frame assembly 100 placed on the engine frame base 510, an engine slide base plate 540, a private service drive component 550, a guide rail 560, a slider bearing, a rack 570 and a gear. The rocket engine core inserting machine also includes a base 600, the guide rail 560 and the rack 570 are both fixed on the base 600, and the guide rail 560 and the rack 570 are arranged in parallel, the slider bearing is installed at the bottom of the engine slide base plate 540, and is slidably connected to the guide rail 560, the private service drive component 550, the engine frame base 510, the positioning block 520 and the locking device 530 are all fixed on the upper part of the engine slide base plate 540, the private service drive component 550 is connected to the gear and is used to drive the gear to rotate, the gear is meshed with the rack 570, and through the meshing of the gear and the rack 570, the private service drive component 550 can control the engine slide base plate 540 to move along the guide rail 560 under the drive of the private service drive component 550; the core frame assembly 300 is also fixedly installed on the upper part of the engine slide base plate 540.

[0094] like Figure 1As shown, the lifting and inserting mold assembly 400 includes a pillar 410, a guide member 420, a movable beam 430, a grabbing mechanism 440 and a lifting mechanism 450. The pillar 410 is fixed on the base 600, the guide member 420 is fixed on the pillar 410, the movable beam 430 is slidably connected to the guide member 420, and can slide up and down along the guide member 420, the lifting mechanism 450 is connected to the movable beam 430 and is used to drive and control the movable beam 430 to move up and down along the guide member 420 and the position of the movable beam 430, the grabbing mechanism 440 is arranged on the movable beam 430, and is used to grab the core mold quick loading and unloading assembly 200, and drives the core mold quick loading and unloading assembly 200 to move as the movable beam 430 moves up and down.

[0095] In this embodiment, the lifting mold assembly 400 also includes an upper crossbeam 460, and the pillar 410 includes a first pillar 411, a second pillar 412, a third pillar 413 and a fourth pillar 414. The upper ends of the first pillar 411, the second pillar 412, the third pillar 413 and the fourth pillar 414 are fixedly connected to the bottom of the upper crossbeam 460, and the lower ends of the first pillar 411, the second pillar 412, the third pillar 413 and the fourth pillar 414 are fixedly connected to the base 600. The guide member 420 is four guide rails, and the four guide rails are correspondingly arranged on the first pillar 411, the second pillar 412, the third pillar 413 and the fourth pillar 414. The lifting mold assembly 400 also includes four guide rail bearings and four movable crossbeam slider bent plates 415, and the four guide rail bearings are correspondingly arranged on the four guide rails.

[0096] The four guide rail bearings are respectively connected to one side of the corresponding movable beam slider bent plate 415, and the other side of the movable beam slider bent plate 415 is connected to the bottom of the movable beam 430, and the four movable beam slider bent plates 415 are distributed at the intersection of adjacent edges at the bottom of the movable beam 430.

[0097] The lifting mechanism 450 includes two sets of lifting devices with the same structure, which are arranged one in front and one in the back, respectively used to lift the two front corners and the two rear corners of the movable cross beam 430, and the lifting device includes a lifting motor 451, a reducer 452, a first transmission shaft 453, a second transmission shaft 454, a first commutator 455, a second commutator 456, a first lifting screw 457, a second lifting screw 458, a first lifting screw driven end support 459 and a second lifting screw driven end support 470; the reducer 452 is fixedly arranged on the upper cross beam 460, and the output end of the lifting motor 451 is connected to the input end of the reducer 452, and the reducer 452 has two output ends, which are respectively located at the reducer 4 The left and right sides of 52; the output end of the left side of the reducer 452 is connected to one end of the first transmission shaft 453 through a coupling, and the other end of the first transmission shaft 453 is connected to the input end of the first commutator 455 through a coupling, and the first commutator 455 is also fixedly installed on the upper crossbeam 460, and the output end of the first commutator 455 is connected to one end of the first lifting screw 457, and the other end of the first lifting screw 457 is rotatably connected to the first lifting screw driven end support 459, and the first lifting screw 457 is equipped with a first lifting screw nut, and the outer side of the first lifting screw nut is connected to the first lifting screw nut sleeve, and the first lifting screw nut sleeve is fixedly connected to the movable crossbeam 430.

[0098] The output end on the right side of the reducer 452 is connected to one end of the second transmission shaft 454 through a coupling, and the other end of the second transmission shaft 454 is connected to the input end of the second commutator 456 through a coupling. The second commutator 456 is also fixedly mounted on the upper crossbeam 460, and the output end of the second commutator 456 is connected to one end of the second lifting screw 458, and the other end of the second lifting screw 458 is rotatably connected to the second lifting screw driven end support 470. The second lifting screw 458 is equipped with a second lifting screw nut, and the outer side of the second lifting screw nut is connected to a second lifting screw nut sleeve, and the second lifting screw nut sleeve is connected to the movable crossbeam 430.

[0099] like Figure 1As shown, the grabbing mechanism 440 includes a quick-release joint sleeve 441, a quick-release joint steel ball sleeve 442, a quick-release joint locking steel ball 443, a movable crossbeam bushing 444 and a quick-release joint sleeve driving device 445. The movable crossbeam bushing 444 passes through the middle of the movable crossbeam 430 and is fixedly connected to the movable crossbeam 430. The lower end of the quick-release joint steel ball sleeve 442 is fixedly connected to the upper end of the movable crossbeam bushing 444. The quick-release joint sleeve 441 is sleeved on the outer side of the upper part of the quick-release joint steel ball sleeve 442. The quick-release joint locking steel ball 443 is embedded in the side wall of the quick-release joint steel ball sleeve 442. The diameter of the quick-release joint locking steel ball 443 is larger than the diameter of the quick-release joint steel ball sleeve 442 embedded with the quick-release joint locking steel ball 443. The thickness of the side wall, one end of the quick-release joint sleeve driving device 445 is fixed on the movable crossbeam 430, and the other end of the quick-release joint sleeve driving device 445 is connected to the quick-release joint sleeve 441, and is used to drive the quick-release joint sleeve 441 to slide downward along the outer wall of the quick-release joint steel ball sleeve 442, so as to push the quick-release joint locking steel ball 443 to move inward to lock the upper end of the core mold quick-disassembly assembly 200 inserted in the quick-release joint steel ball sleeve 442 in the quick-release joint steel ball sleeve 442, or drive the quick-release joint sleeve 441 to slide upward along the outer wall of the quick-release joint steel ball sleeve 442 to make room for the quick-release joint locking steel ball 443 to move outward, and loosen the upper end of the core mold quick-disassembly assembly 200 inserted in the quick-release joint steel ball sleeve 442;

[0100] The quick-release joint housing drive device 445 can be a cylinder driven by compressed air, a cylinder driven by hydraulic oil, or a drive motor driven by electricity. In this embodiment, a cylinder driven by compressed air is selected.

[0101] The movable crossbeam 430 also includes a push rod 431 and a push rod driving device 432. There are multiple push rods 431, and the number of the multiple push rods 431 corresponds to the number of quick connectors 240. The push rod 431 is located directly above the quick connector 240 on the core mold quick loading and unloading assembly 200 connected to the lower end of the movable crossbeam 430. The push rod driving device 432 is fixed on the movable crossbeam 430 and is used to push the push rod 431 to give a tightening force to the quick connector 240 directly below it.

[0102] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural transformation made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A rocket engine core inserting machine, used for inserting a core into an engine casing (700), characterized in that: include: An engine mounting frame assembly (100), the engine mounting frame assembly (100) being used to mount and fix the engine casing (700), and the engine mounting frame assembly (100) being provided with a plurality of engine casing mounting positions; A core mold quick-assembly and disassembly assembly (200), the core mold quick-assembly and disassembly assembly (200) being used to connect a mold core, and the core mold quick-assembly and disassembly assembly (200) can be connected to a plurality of mold cores, the number and positions of the plurality of mold cores corresponding to the number and positions of the engine casing mounting positions on the engine mounting frame assembly (100); A core frame assembly (300), wherein the core frame assembly (300) is used to place a core mold quick assembly and disassembly assembly (200); A lifting insert mold assembly (400), wherein the lifting insert mold assembly (400) is used to lift the mold core through the mold core frame assembly (300) and insert the mold core into an engine housing (700) fixed on the engine mounting frame assembly (100); A sliding platform assembly (500), the engine mounting frame assembly (100) and the core frame assembly (300) are both arranged on the sliding platform assembly (500), and the sliding platform assembly (500) is used to respectively deliver the engine mounting frame assembly (100) and the core frame assembly (300) to predetermined positions.

2. A rocket engine core inserting machine according to claim 1, characterized in that: The engine mounting frame assembly (100) comprises an engine mounting frame base (110), an engine mounting frame column (120) and an engine mounting frame upper fixing plate (130); one end of the engine mounting frame column (120) is detachably connected to the engine mounting frame base (110), and the other end of the engine mounting frame column (120) is detachably connected to the engine mounting frame upper fixing plate (130), and the distance between the engine mounting frame upper fixing plate (130) and the engine mounting frame base (110) can be adjusted to adapt to the fixed installation of engine housings (700) of different specifications.

3. A rocket engine core inserting machine according to claim 1, characterized in that: The core mold quick assembly and disassembly assembly (200) comprises a core frame connecting shaft (210), a core frame connecting plate (220), a core plate (230), and a quick connector (240) for quick assembly and disassembly of a charge core, wherein one end of the core frame connecting shaft (210) is connected to one end of the core frame connecting plate (220), the other end of the core frame connecting plate (220) is connected to the core plate (230), and the quick connector (240) is arranged on the core plate (230).

4. A rocket engine core inserting machine according to claim 3, characterized in that: The quick connector (240) comprises a core rivet (241), a quick-insert inner sleeve (242), a quick-insert outer sleeve (243), a locking steel ball (244) and a quick-insert sleeve ejector pin (245); the core rivet (241) is provided with a locking ring groove (241-1) matched with the locking steel ball (244); the quick-insert outer sleeve (243) is sleeved on the outer side of the quick-insert inner sleeve (242) and can slide up and down along the inner sleeve of the quick-insert inner sleeve (242) to move from a first working position to a second working position; the quick-insert inner sleeve (242) is provided with a through hole (242-1) for installing the locking steel ball (244); the quick-insert outer sleeve (243) is moved from the first working position to the second working position During the process of changing the working position, the locking steel ball (244) is pushed to move inward along the through hole, and the core rivet (241) inserted into the quick-insertion inner sleeve (242) is locked by cooperating with the locking ring groove (241-1). The core rivet (241) is provided with a pillow block (241-2). One end of the quick-insertion sleeve ejector pin (245) is connected to the quick-insertion outer sleeve (243). The other end of the quick-insertion sleeve ejector pin (245) contacts the table surface of the pillow block (241-2). As the core rivet (241) moves, the quick-insertion outer sleeve (243) is pushed to move from the second working position to the first working position. The core rivet (241) is also provided with a quick-insertion sleeve ejector pin notch (241-3). The quick-insert sleeve ejector pin (245) can be inserted into the quick-insert sleeve ejector pin notch (241-3), so that the quick-insert sleeve (243) moves from the first working position to the second working position to lock the core rivet (241).

5. A rocket engine core inserting machine according to claim 1, characterized in that: The core frame assembly (300) comprises a core frame shield (310), an anti-collision plate (320), a core plate positioning pin (330) and a core plate blocking column (340), wherein the anti-collision plate (320) is arranged on the inner side of the core frame shield (310), the lower end of the core frame shield (310) is fixed on the sliding platform assembly (500), and the upper end of the core frame shield (310) is used to place the core mold quick assembly and disassembly assembly (200), and when the core mold quick assembly and disassembly assembly (200) is placed on the core frame shield (310), it is in contact with the core mold quick assembly and disassembly assembly. The mold core connected to the mold core frame (200) is located in the mold core frame shield (310), and the upper end of the mold core frame shield (310) is also provided with a mold core plate positioning pin (330) for positioning the core mold quick assembly and disassembly assembly (200). The mold core frame shield (310) is provided with a mold core frame shield notch (311) for facilitating the mold core connected to the lower end of the core mold quick assembly and disassembly assembly (200) to enter the mold core frame shield (310), and a mold core plate blocking column (340) is provided on the upper end of the mold core frame shield (310) on the side opposite to the mold core frame shield notch (311).

6. A rocket engine core inserting machine according to claim 1, characterized in that: The rocket engine insert mold core machine also includes a base ((600), the lifting insert mold assembly (400) includes a pillar (410), a guide member (420), a movable crossbeam ((430), a grabbing mechanism (440) and a lifting mechanism (450), the pillar (410) is fixed on the base ((600), the guide member (420) is fixed on the pillar (410), the movable crossbeam (430) is slidably connected to the guide member (420), and can be moved along the The guide member (420) slides up and down, the lifting mechanism (450) is connected to the movable crossbeam (430) and is used to drive and control the movable crossbeam (430) to move up and down along the guide member (420) and the position of the movable crossbeam (430), and the grabbing mechanism (440) is arranged on the movable crossbeam (430) and is used to grab the core mold quick loading and unloading assembly (200), and drives the core mold quick loading and unloading assembly (200) to move as the movable crossbeam (430) moves up and down.

7. A rocket engine core inserting machine according to claim 1, characterized in that: The sliding platform assembly (500) comprises an engine frame base (510) for placing an engine mounting frame assembly (100), a positioning block (520) for positioning the engine mounting frame assembly (100), a locking device (530) for locking the engine mounting frame assembly (100) placed on the engine frame base (510), a sliding platform base, an engine sliding platform bottom plate (540), a private service drive component (550), a guide rail (560), a slider bearing, a rack (570) and a gear, wherein the guide rail (560) and the rack (570) are both fixed on the sliding platform base, and The guide rail (560) and the rack (570) are arranged in parallel, the slider bearing is installed at the bottom of the engine slide base plate (540) and is slidably connected to the guide rail (560), the private service drive component (550), the engine frame base (510), the positioning block (520) and the locking device (530) are all fixed on the upper part of the engine slide base plate (540), the private service drive component (550) is connected to the gear and is used to drive the gear to rotate, the gear is meshed with the rack (570), and the core frame assembly (300) is also fixedly installed on the upper part of the engine slide base plate (540).

8. A rocket engine core inserting machine according to claim 2, characterized in that: The engine mounting frame base (110) comprises a core frame positioning flange (111), a mounting plate (112), an engine base frame (113) and a roller assembly (114); the mounting plate (112) is arranged on the upper part of the core frame positioning flange (111) and is fixedly connected to the core frame positioning flange (111); The number of the engine base frames (113) is multiple, and the multiple engine base frames (113) are evenly arranged on the upper part of the mounting plate (112) along the circumference of the mounting plate (112); The number of the roller assemblies (114) is three or more, and they are evenly arranged on the edges of the outer circumference of the mounting plate (112), and are used to prevent the engine mounting frame assembly (100) from colliding with or scratching the inner wall of the curing barrel when it is installed in the curing barrel; The roller assembly (114) comprises a roller and a roller fixing seat, the roller is rotatably mounted on the roller fixing seat, and the roller fixing seat is mounted on the edge of the outer circumference of the mounting plate (112).

9. A rocket engine core inserting machine according to claim 6, characterized in that: The grabbing mechanism (440) comprises a quick-release joint outer sleeve (441), a quick-release joint steel ball sleeve (442), a quick-release joint locking steel ball (443), a movable crossbeam bushing (444) and a quick-release joint outer sleeve driving device (445); the movable crossbeam bushing (444) passes through the middle of the movable crossbeam (430) and is fixedly connected to the movable crossbeam (430); the lower end of the quick-release joint steel ball sleeve (442) is fixedly connected to the upper end of the movable crossbeam bushing (444); the quick-release joint outer sleeve (441) is sleeved on the outer side of the upper part of the quick-release joint steel ball sleeve (442); the quick-release joint locking steel ball (443) is embedded in the side wall of the quick-release joint steel ball sleeve (442); the diameter of the quick-release joint locking steel ball (443) is larger than the diameter of the quick-release joint locking steel ball (443) embedded in the quick-release joint steel ball sleeve (442). The quick-release joint sleeve driving device (445) is configured to drive the quick-release joint sleeve (441) to slide downward along the outer wall of the quick-release joint steel ball sleeve (442) to push the quick-release joint locking steel ball (443) to move inward to lock the upper end of the core mold quick-disassembly assembly (200) inserted into the quick-release joint steel ball sleeve (442) in the quick-release joint steel ball sleeve (442), or to drive the quick-release joint sleeve (441) to slide upward along the outer wall of the quick-release joint steel ball sleeve (442) to make room for the quick-release joint locking steel ball (443) to move outward to release the upper end of the core mold quick-disassembly assembly (200) inserted into the quick-release joint steel ball sleeve (442).

10. A rocket engine core inserting machine according to claim 6, characterized in that: The movable crossbeam (430) further comprises a push rod (431) and a push rod driving device (432). There are a plurality of push rods (431), and the number of the plurality of push rods (431) corresponds to the number of quick connectors (240). The push rod (431) is located directly above the quick connector (240) on the core mold quick assembly and disassembly assembly (200) connected to the lower end of the movable crossbeam (430). The push rod driving device (432) is fixed on the movable crossbeam (430) and is used to push the push rod (431) to give a tightening force to the quick connector (240) directly below it.

Images