CN114345966A - Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder - Google Patents
Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder Download PDFInfo
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- CN114345966A CN114345966A CN202111471815.4A CN202111471815A CN114345966A CN 114345966 A CN114345966 A CN 114345966A CN 202111471815 A CN202111471815 A CN 202111471815A CN 114345966 A CN114345966 A CN 114345966A
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- 229910000831 Steel Inorganic materials 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000003754 machining Methods 0.000 description 7
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Abstract
The invention belongs to the technical field of aviation assembly, and relates to a mold handling device and a mold handling method for a liner mold of a girder of a helicopter blade; the mould handling device is a telescopic adjustable mould drawing device and comprises at least four groups of fixing and adjusting support structures and a middle telescopic threaded rod structure; the die clamping device provided by the invention is stable and reliable in clamping, simple in structure and convenient to install; the length adjustment is realized by adjusting the positions of the notches of different fixing support columns and adjusting support columns, meanwhile, the middle screw rod can stretch out and draw back, the requirement of the blade girder on the length of a drawing die at different stages can be met, the die drawing difficulty of parts with large length-diameter ratio is effectively reduced by adopting the die clamping device and the die clamping method, and the working efficiency is greatly improved; the condition that the lining die swings in the process of pulling out can be ensured, so that the damage to the inner cavity of the tubular hollow thin wall with the large length-diameter ratio is prevented.
Description
Technical Field
The invention belongs to the technical field of aviation assembly, and relates to a mold handling device and a mold handling method for a liner mold of a girder of a helicopter blade.
Background
A crossbeam of a certain helicopter blade belongs to a tubular hollow thin-wall structure with a large length-diameter ratio, and the length of the crossbeam is nearly 8 meters. In a certain section, the girder starts to close up, and the thickness of the girder is gradually reduced along the direction of the blade tip due to the thinning of the pneumatic appearance, so that the drawing difficulty is high; in the die drawing process, the stress is large; meanwhile, due to the limitation of length, the external dimension of the die drawing device needs to be adjusted for many times to realize the drawing of the lining die with large length-diameter ratio, and the external shape of the tubular hollow thin-wall structure cannot be damaged. The conventional die drawing mode adopts a manual hoist to carry out die drawing, so that the appearance is easy to damage, the operation is difficult, the drawing direction is not controllable due to uneven stress, and for a slender lining die, the swinging is easy to occur in the die drawing process to cause the damage of a large-length-diameter ratio tubular hollow thin-wall inner cavity due to the fact that the middle and rear sections can not be accurately positioned during the drawing process.
The processing of the helicopter blade girder directly influences the quality of a helicopter product, and meanwhile, along with the increase of the yield of a helicopter, the requirement on batch production and the technical problem of the blade girder, the development of a telescopic adjusting and die-drawing device for the die-drawing of the liner of the blade girder is urgently needed, and the die-drawing device needs to conveniently realize the length adjustment of quick stretching in the die-drawing process so as to adapt to the drawing of a large-length-diameter-ratio structure; the mold auxiliary device ensures that the lining mold is smoothly separated from a certain helicopter girder. The potential safety hazard that the mould in-process appeared now is avoided, and the manufacturing quality and the progress demand when satisfying the forming processing of helicopter paddle girder.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the manufacturing requirements of the inner lining die drawing of the helicopter blade girder, the telescopic adjusting die drawing device which is used for the inner lining die handle device of the helicopter blade girder and has the advantages of quick extension, accurate positioning, simple structure, convenient adjustment and reliable fixation is provided, so that the difficulty that the die drawing operation of a large length-diameter ratio tubular hollow thin-wall structure is difficult to realize and the quick positioning and the telescopic adjustment are convenient to realize. The manufacturing quality and progress requirements of the helicopter blade girder during molding and processing are met.
The technical scheme is as follows: the invention provides a mold handling device for a liner mold of a girder of a helicopter blade, which comprises a support assembly and a telescopic threaded rod assembly, wherein a middle telescopic threaded rod structure is arranged in the support assembly, one end of the middle telescopic threaded rod structure is connected with the end part of the liner mold, the other end of the middle telescopic threaded rod structure is matched and fixed with the support assembly, and the liner mold is pulled out through the telescopic threaded rod.
Preferably, in the mold clamping device, the support assembly comprises the adjusting support, a fixing support, a clamping block and a main support plate; one end of the fixed strut is fixed on the main supporting plate, and the other end of the fixed strut is adjustably connected with the adjusting strut through a clamping block; the other end of the adjusting strut is fixed on the fixed end face of the mould.
Preferably, in the mold handling device, the side surface of the adjusting strut is provided with a plurality of rows of rectangular notches which are matched with the fixing strut, the middle of the adjusting strut is provided with an elliptical long groove corresponding to the fixing strut, the middle of the upper part of the adjusting strut is provided with a screw hole, the distance between the adjusting strut and the fixing strut is adjusted, and the adjusting strut is in threaded connection with the clamping block after being clamped; thereby achieving the length adjustment.
Preferably, in the mold clamping device, the telescopic threaded rod assembly comprises a chuck, a connecting seat, a semi-ring plate, a telescopic threaded sleeve, a threaded rod, a handle and a threaded sleeve;
the upper portion and the lower portion of the chuck are provided with connecting plates, a supporting vertical plate is arranged in the middle of the chuck, the connecting plates are provided with cylindrical pin mounting holes, a positioning round hole and a fixing screw hole are formed in the middle of the supporting vertical plate, and the chuck and the connecting seat are fixedly connected through the fixing screw hole;
the connecting seat is a stepped cylinder, one side of the stepped cylinder is a bottom plate, the bottom plate is provided with a connecting hole along the circumferential direction, the other side of the stepped cylinder is a round sleeve, a stepped hole is formed in the round sleeve, an inner conical surface is formed in the stepped hole, the middle of the end surface of the round sleeve is arranged along the circumferential direction, the connecting seat is connected with the semi-ring plate through a threaded mounting hole by a screw, and the connecting seat is connected with the chuck through a fixing screw hole by a screw;
the telescopic thread bush is characterized in that one end of the telescopic thread bush is of a round bush structure, a long hole is formed in the telescopic thread bush, the other end of the telescopic thread bush is of a cylindrical ring-shaped groove, the head of the other end of the telescopic thread bush is a hemispherical surface, an inner conical surface of a hemispherical surface jacking connecting seat is clamped into the ring-shaped groove through a semi-ring plate, the telescopic thread bush is fixedly connected and then rotates relatively, the long hole in the telescopic thread bush is matched with a step long cylinder of a threaded rod and is fixed through a pin hole of the telescopic thread bush by a quick-release pin, and the outer cylindrical surface of the telescopic thread bush is a thread and is matched with an internal thread of the thread bush.
Preferably, in the structure, the semi-ring plate is a stepped disc structure divided into two halves, one side of the semi-ring plate is a positioning table and is matched with the chuck through a cylinder, the other side of the semi-ring plate is a disc, a countersunk hole is formed in the circumferential direction and is fixed with the connecting seat through the countersunk hole and a connecting screw, and the middle of the semi-ring plate is a semi-ring groove, so that the end structure of the telescopic thread sleeve penetrates into the semi-ring plate and the connecting seat combined structure.
Preferably, in the structure, one end of the threaded rod is a circular truncated cone, a handle hole is formed in the side face of the circular truncated cone, the other end of the threaded rod is a long-step cylinder, the cylindrical surface of the step cylinder matched with the inner hole of the telescopic threaded sleeve is a smooth surface, and a plurality of rows of pin holes are uniformly formed in the length direction. When the telescopic screw sleeve is telescopic, the telescopic screw sleeve is pulled out and is inserted and fixed by the quick-release pin.
Preferably, in the above structure, the two ends of the handle are truncated cones, and the middle of the handle is a slender round rod.
Preferably, in the structure, the main support plate is a square plate, the middle of the main support plate is provided with a positioning hole, screw holes are uniformly distributed along the circumference of the positioning hole, and the main support plate is connected with the screw sleeve positioning table by screws after being matched with the screw sleeve positioning table; one end of the main support plate is provided with an elongated slot, the elongated slot is matched with the outline positioning surface of the fixed strut, and the elongated slot and the fixed strut are provided with fixed holes and are connected with the fixed strut through screws; the size of the fixing hole can be adjusted according to the installation position of the fixing support column.
Preferably, in the above structure, the fixing strut is rectangular, and a screw hole is arranged at one end matched with the long slot of the main supporting plate and connected with a screw; the side surface is provided with a plurality of rows of rectangular notches which are matched with the adjusting support, the middle part is provided with an elliptical long groove which corresponds to the adjusting support, and the middle part of the lower part of the fixing support is provided with screw holes which are in threaded connection with the clamping blocks after being clamped tightly.
Preferably, in the above structure, the adjusting pillar is an L-shaped structure, the L-shaped head is matched with the fixed surface of the drawing die, the side surface of the adjusting pillar is provided with a plurality of rows of rectangular notches which are matched with the fixed pillar, the middle of the adjusting pillar is provided with an elliptical long groove corresponding to the fixed pillar, the middle of the upper part of the adjusting pillar is provided with a screw hole, the distance between the adjusting pillar and the fixed pillar is adjusted, and the adjusting pillar and the fixed pillar are in threaded connection after being clamped by the clamping block.
The invention also provides a mould handling method for the inner lining mould of the girder of the helicopter blade, which applies the mould handling device and specifically comprises the following steps:
step one, inserting a cylindrical pin into a protruding position of a blade girder mandrel along a connecting hole in the opening direction of a chuck;
adjusting the shortest initial position of the adjusting strut, which is matched with the drawing and fixing surface of the blade girder, and connecting the adjusting strut and the clamping block in a threaded manner after clamping; the telescopic thread sleeve is contracted to the shortest initial position, and the quick release pin is inserted and fixed;
step three, according to different positions of the large-length mandrel of the blade girder, a handle is rotated to adjust a threaded rod and a telescopic threaded sleeve, a connecting seat and a semi-ring plate are driven, a clamping block is pulled, and the pulling force is transmitted to the mandrel of the blade girder through a cylindrical pin; enabling the adjusting support to tightly push against a drawing fixed surface of the blade girder, and starting a first-stage drawing process;
step four, after the first-stage die drawing process is finished, extending the core shaft to a certain distance S1, loosening the clamping block, adjusting the distance between the adjusting support and the fixed support, and then clamping by using the clamping block through threads; correspondingly adjusting the distance between the telescopic thread bush and the threaded rod, inserting and fixing the quick-release pin, and performing the second-stage die drawing process;
rotating a handle to adjust the threaded rod and the telescopic threaded sleeve, driving the connecting seat and the semi-ring plate, drawing the clamping block, and transmitting the drawing force to the blade girder mandrel through the cylindrical pin; enabling the adjusting support to tightly push against a drawing fixing surface of the blade girder, starting the second-stage drawing process, and extending the mandrel to S2, wherein S2 is 2S 1; determining according to the value of S1, and completing the die drawing process;
and step six, after the die drawing operation is finished, loosening along the opposite steps, and disassembling and stretching to the initial position.
The beneficial technical effects are as follows: the telescopic adjustable die drawing device is stable and reliable in clamping, simple in structure and convenient to install, the length of the adjustable die drawing device can be adjusted by adjusting the positions of the notches of different fixing support columns and the adjustable support columns, the middle screw rod can be telescopic, the requirement of the blade girder in different stage die drawing lengths can be met, the difficulty that the die drawing tool needs to be frequently changed and the operability is solved through experimental demonstration, and the part of the large-length core shaft of the blade girder can be conveniently drawn out. The die drawing device is reliable in installation, good in operability and convenient to adjust, the die drawing difficulty of parts with large length-diameter ratio is effectively reduced, and the working efficiency is greatly improved; the device provided by the invention can ensure that the inner lining die does not swing in the process of pulling out, thereby preventing the damage to the tubular hollow thin-wall inner cavity with large length-diameter ratio.
Drawings
FIG. 1 is an isometric view of a telescopically adjustable die drawing apparatus (showing product parts) of the present invention;
FIG. 2 is a front view of the telescopically adjustable die drawing apparatus of the present invention;
FIG. 3 is a cross-sectional view of the telescopically adjustable die drawing apparatus of the present invention;
FIG. 4 is an isometric view of the chuck of the present invention;
FIG. 5 is an isometric view of the connector housing of the present invention;
FIG. 6 is an isometric view of a half ring plate of the present invention;
FIG. 7 is an isometric view of the telescoping thread bushing, threaded rod, handle, quick release pin combination of the present invention;
FIG. 8 is a cross-sectional view of the telescoping threaded sleeve, threaded rod, handle, quick release pin combination of the present invention;
FIG. 9 is a side elevational view of the main support plate of the present invention;
FIG. 10 is an isometric view of the threaded sleeve of the present invention;
FIG. 11 is an isometric view of the anchor brace of the present invention;
FIG. 12 is an isometric view of an adjustment brace of the present invention;
FIG. 13 is an isometric view of a clamp block of the present invention;
wherein, 1-chuck, 2-connecting seat, 3-semi-ring plate, 4-telescopic thread bush, 5-threaded rod, 6-handle, 7-main supporting plate, 8-thread bush, 9-fixed support, 10-adjusting support, 11-clamp block, 12-cylindrical pin, 13-quick-release pin.
Detailed Description
The following further details the embodiments of the present invention:
referring to fig. 1 to 13, in fig. 1, a mold handle device for a girder lining mold of a helicopter blade according to the present invention is shown in an integrally assembled state, the device includes a support assembly and a telescopic screw rod assembly, the middle telescopic screw rod structure is disposed in the support assembly, one end of the middle telescopic screw rod structure is connected with an end portion of the lining mold, the other end of the middle telescopic screw rod structure is fixed with the support assembly, and the telescopic screw rod is used to pull out the lining mold.
The invention provides a telescopic adjusting drawing die device, which comprises a chuck 1, a connecting seat 2, a semi-ring plate 3, a telescopic threaded sleeve 4, a threaded rod 5, a handle 6, a main support plate 7, a threaded sleeve 8, a fixed support column 9, an adjusting support column 10, a clamping block 11, a cylindrical pin 12 and a quick-release pin 13, wherein the supporting component and the telescopic threaded rod component are described in detail in the following by combining with the attached drawings;
the clamping head 1 is made of high-quality steel through heat treatment machining, the upper portion and the lower portion of the clamping head are respectively provided with a connecting plate, the middle portion of the clamping head is provided with a supporting vertical plate, the connecting plate is provided with a cylindrical pin mounting hole, the middle portion of the supporting vertical plate is provided with a positioning round hole and a fixing screw hole, and the clamping head 1 and the connecting base 2 are fixedly connected through the fixing screw hole;
the connecting seat 2 is made of high-quality steel through heat treatment machining and is a step cylinder, a bottom plate is arranged on one side of the step cylinder, a connecting hole is formed in the bottom plate in the circumferential direction, a round sleeve is arranged on the other side of the step cylinder, a step hole is formed in the inside of the round sleeve, an inner conical surface is formed in the inside of the step hole, the middle of the end face of the round sleeve is arranged in the circumferential direction, the connecting seat 2 is connected with the semi-ring plate 3 through a threaded mounting hole through a screw, and the connecting seat 2 is connected with the chuck 1 through a fixing screw hole through a screw;
more specifically, the semi-ring plate 3 is made of high-quality steel through heat treatment machining, is of a half-and-half block step disc structure, is provided with a positioning table on one side and matched with the chuck 1 through a cylinder, is provided with a disc on the other side, is provided with a countersunk hole along the circumferential direction and is fixed with the connecting seat 2 through the countersunk hole and a connecting screw, and is provided with a semi-annular groove in the middle, so that the end structure of the telescopic thread sleeve 4 penetrates into the combined structure of the semi-ring plate 3 and the connecting seat 2;
more specifically, the telescopic threaded sleeve 4 is made of high-quality steel through heat treatment machining, one end of the telescopic threaded sleeve is of a round sleeve structure, a long hole is formed in the telescopic threaded sleeve, the other end of the telescopic threaded sleeve is of a cylindrical annular groove, the head of the other end of the telescopic threaded sleeve is of a hemispherical surface, an inner conical surface of a hemispherical surface abutting against the connecting seat 2 is clamped into the annular groove through the semicircular plate 3, the telescopic threaded sleeve is fixedly connected and then rotates relatively, the long hole in the telescopic threaded sleeve 4 is matched with a step long cylinder of the threaded rod 5 and is fixed through a pin hole of the telescopic threaded sleeve 4 through a quick-release pin 13, and the outer cylindrical surface of the telescopic threaded sleeve 4 is a thread and is matched with an internal thread of the threaded sleeve 8;
more specifically, the threaded rod 5 is made of high-quality steel through heat treatment machining, one end of the threaded rod is a circular truncated cone, a handle hole is formed in the side face of the circular truncated cone, the other end of the threaded rod is a long-step cylinder, the cylindrical surface of the step cylinder, which is matched with the inner hole of the telescopic threaded sleeve 4, is a smooth surface, and multiple rows of pin holes are uniformly formed in the length direction. When in extension, the extension thread sleeve 4 is pulled out and is inserted and fixed by the quick-release pin 13.
More specifically, the handle 6 is made of high-quality steel through heat treatment and mechanical processing, the two ends of the handle are round tables, and the middle of the handle is a slender round rod.
More specifically, the main supporting plate 7 is made of high-quality steel through heat treatment machining, is a square plate, is provided with a positioning hole in the middle, is uniformly provided with screw holes along the circumference of the positioning hole, and is connected with the screw by adopting a screw after being matched with the positioning table of the threaded sleeve 8. One end of the main supporting plate 7 is provided with a long groove which is matched with the shape positioning surface of the fixed strut 9, and the long groove and the fixed strut 9 are provided with fixing holes which are connected with the fixed strut 9 through screws. The position of the fixing hole can be changed and adjusted according to the installation position of the fixing support 9.
More specifically, the fixing strut 9 is rectangular and made of high-quality steel through heat treatment machining, and a screw hole is formed at one end matched with the long groove of the main supporting plate 7 and connected with a screw; the side surface is provided with a plurality of rows of rectangular notches which are matched with the adjusting strut 10, the middle part is provided with an elliptical long groove which corresponds to the adjusting strut 10, the middle part of the lower part of the fixing strut 9 is provided with screw holes which are in threaded connection after being clamped by the clamping block 11;
more specifically, the adjusting strut 10 is made of high-quality steel through heat treatment and mechanical processing and is of an L-shaped structure, the L-shaped head is matched with a drawing die fixing surface, a plurality of rows of rectangular notches are formed in the side surface and matched with the fixing strut 9, an oval long groove is formed in the middle and corresponds to the fixing strut 9, a screw hole is formed in the middle of the upper portion of the adjusting strut 10, the distance between the adjusting strut and the fixing strut 9 is adjusted, and the adjusting strut is in threaded connection with the clamping block 11 after being clamped tightly;
more specifically, the clamping block 11 is a square block made of high-quality steel through heat treatment and mechanical processing, a mounting hole is formed in the middle of the square block, and a square groove matched with the fixed support 9 and the adjusting support 10 is formed in the bottom surface of the square block.
More specifically, the cylindrical pin 12 is a stepped cylinder, and is matched with the joint of the product drawing mandrel.
More specifically, the quick release pin 13 is a taper pin, so that the quick release pin is convenient to insert, fix and detach.
In the implementation process, the process of implementing the mold handling by the mold handling device comprises the following steps:
step one, inserting a cylindrical pin 11 into a protruding position of a blade girder mandrel along a connecting hole in the opening direction of a chuck 1;
adjusting the shortest initial position of the adjusting strut 10, which is matched with the drawing fixing surface of the blade girder, and connecting the adjusting strut with the clamping block 11 in a threaded manner after clamping; the telescopic thread bush 4 is contracted to the shortest initial position, and the quick-release pin 13 is inserted and fixed;
thirdly, according to different positions of the large-length mandrel of the blade girder, the threaded rod 5 and the telescopic threaded sleeve 4 are adjusted by rotating the handle 6, the connecting seat 2 and the semi-ring plate 3 are driven, the clamping block 4 is pulled, and the pulling force is transmitted to the mandrel of the blade girder through the cylindrical pin 12; enabling the adjusting strut 10 to tightly push against a blade girder drawing fixed surface, and starting a first-stage drawing process;
and step four, finishing the first-stage die drawing process, extending the mandrel to 300-400 MM, loosening the clamping block 11, adjusting the distance between the adjusting support 10 and the fixed support 9, and clamping by using the clamping block 11 through threads. Correspondingly adjusting the distance between the telescopic thread bush 4 and the threaded rod 5, inserting and fixing the quick-release pin 13 until the second-stage die drawing process;
fifthly, the screw rod 5 and the telescopic thread sleeve 4 are adjusted by rotating the handle 6 to drive the connecting seat 2, the semi-ring plate 3 and the drawing clamping block 4, and the drawing force is transmitted to the blade girder mandrel through the cylindrical pin 12; enabling the adjusting support 10 to tightly push against a drawing fixing surface of the blade girder, starting a second-stage drawing process, extending the core shaft to 700-800 MM, which is generally about twice of the extending distance of the first-stage drawing core shaft, and completing the drawing process;
and step six, after the die drawing operation is finished, loosening along the opposite steps, and disassembling and stretching to the initial position.
It should be noted that, although details in the specification are not regarded as conventional techniques in the art, the above embodiments are only given in conjunction with the accompanying drawings and practical examples, and the implementation of the present invention is not limited thereto.
Claims (10)
1. A mold handling device for a liner mold of a girder of a helicopter blade is characterized by comprising a support assembly and a telescopic threaded rod assembly, wherein a middle telescopic threaded rod structure is arranged in the support assembly, one end of the middle telescopic threaded rod structure is connected with the end part of the liner mold, the other end of the middle telescopic threaded rod structure is matched and fixed with the support assembly, and the liner mold is pulled out through the telescopic threaded rod;
the supporting component consists of the adjusting support column, a fixing support column, a clamping block and a main supporting plate; one end of the fixed strut is fixed on the main supporting plate, and the other end of the fixed strut is adjustably connected with the adjusting strut through a clamping block; the other end of the adjusting strut is fixed on the fixed end face of the mould.
2. The inner liner die handle device for the girder of the helicopter blade as claimed in claim 1, wherein the adjusting strut is provided with a plurality of rows of rectangular notches on the side surface thereof, which are matched with the fixing strut, and an elliptical elongated slot in the middle thereof, which corresponds to the fixing strut, and the adjusting strut is provided with a screw hole in the middle of the upper part thereof, which is used for adjusting the distance between the adjusting strut and the fixing strut, and which is screwed after being clamped by the clamping block; thereby achieving the length adjustment.
3. A handle form assembly for a helicopter blade girder inner liner mold according to claim 1 wherein said telescopic threaded rod assembly comprises a collet (1), a connecting seat (2), a half collar plate (3), a telescopic threaded sleeve (4), a threaded rod (5), a handle (6), a threaded sleeve (8);
the upper part and the lower part of the chuck (1) are connecting plates, the middle part of the chuck is a supporting vertical plate, the connecting plates are provided with cylindrical pin mounting holes, the middle part of the supporting vertical plate is provided with positioning round holes and fixing screw holes, and the chuck (1) and the connecting seat (2) are fixedly connected through the fixing screw holes;
the connecting seat (2) is a stepped cylinder, one side of the stepped cylinder is a bottom plate, a connecting hole is formed in the bottom plate along the circumferential direction, the other side of the stepped cylinder is a round sleeve, a stepped hole is formed in the round sleeve, an inner conical surface is formed in the stepped hole, the middle of the end surface of the round sleeve is arranged along the circumferential direction, the connecting seat (2) is connected with the semicircular plate (3) through a threaded mounting hole by using a screw, and the connecting seat (2) is connected with the chuck (1) through a fixing screw hole by using a screw;
telescopic thread bush (4) one end is the circle cover structure, and inside sets up the slot hole, and the other end is cylindric belt wheel type groove, and the head of the other end is the hemisphere face, and the interior conical surface of hemisphere top tight connecting seat (2) passes through semicircular plate (3) card income annular groove, and fixed connection back and relative rotation, the step long cylinder cooperation of the inside slot hole of telescopic thread bush (4) and threaded rod (5) to it is fixed through the pinhole of telescopic thread bush (4) with quick-release round pin, the outside face of cylinder of telescopic thread bush (4) is the screw thread, cooperatees with the internal thread of thread bush (8).
4. The inner lining die handle device for the girder of the helicopter blade according to claim 3, wherein the semi-ring plate (3) is of a stepped disc structure divided into two halves, one side is a positioning table and is matched with the chuck (1) through a cylinder, the other side is a disc, a countersunk hole is arranged along the circumferential direction and is fixed with the connecting seat (2) through the countersunk hole and a connecting screw, and the middle part is a semi-annular groove, so that the end structure of the telescopic thread sleeve (4) penetrates into the combined structure of the semi-ring plate (3) and the connecting seat (2).
5. The mold handle device for the liner mold of the girder of the helicopter blade according to claim 3, wherein one end of the threaded rod (5) is a circular truncated cone, the side surface of the circular truncated cone is provided with a handle hole, the other end of the threaded rod is a long step cylinder, the cylindrical surface of the step cylinder, which is matched with the inner hole of the telescopic threaded sleeve (4), is a smooth surface, and a plurality of rows of pin holes are uniformly formed along the length direction. When in extension, the extension thread sleeve (4) is pulled out and is inserted and fixed by a quick-release pin (13).
6. A handle mould assembly for a helicopter blade girder inner liner mould according to claim 3 wherein said handle (6) has truncated cones at each end and an elongated round bar in the middle.
7. The inner liner die handle device for the girder of the helicopter blade according to claim 1, wherein the main supporting plate (7) is a square plate, a positioning hole is arranged in the middle, screw holes are uniformly distributed along the circumference of the positioning hole, and the main supporting plate is connected with the positioning table of the threaded sleeve (8) by screws after being matched with the positioning table; one end of the main supporting plate (7) is provided with a long groove, the long groove is matched with the shape positioning surface of the fixed strut (9), and the long groove and the fixed strut (9) are provided with fixed holes and are connected with the fixed strut (9) through screws; the position of the fixing hole can be changed and adjusted according to the installation position of the fixing support (9).
8. The inner lining die handle assembly for the girder of the helicopter blade according to claim 7, wherein the fixing strut (9) is rectangular, and one end of the fixing strut, which is matched with the long groove of the main supporting plate (7), is provided with a screw hole and is connected with a screw; the side surface is provided with a plurality of rows of rectangular notches which are matched with the adjusting strut (10), the middle part is provided with an elliptical long groove which corresponds to the adjusting strut (10), the middle part of the lower part of the fixing strut (9) is provided with screw holes which are in threaded connection after being clamped by the clamping block (11).
9. The handle mold device for the liner mold of the girder of the helicopter blade according to claim 8, wherein the adjusting strut (10) has an L-shaped structure, the L-shaped head of the handle mold is matched with the fixed surface of the drawing mold, the side surface of the handle mold is provided with a plurality of rows of rectangular notches which are matched with the fixed strut (9), the middle of the handle mold is provided with an elliptical long groove which corresponds to the fixed strut (9), the middle of the upper part of the adjusting strut (10) is provided with a screw hole for adjusting the distance with the fixed strut (9), and the adjusting strut is in threaded connection with the clamping block (11) after being clamped.
10. A mould handling method for a liner mould of a girder of a helicopter blade, said method using a mould handling apparatus according to any one of claims 1 to 9, said mould handling method comprising the steps of:
step one, inserting a cylindrical pin into a protruding position of a blade girder mandrel along a connecting hole in the opening direction of a chuck;
adjusting the shortest initial position of the adjusting strut, which is matched with the drawing and fixing surface of the blade girder, and connecting the adjusting strut and the clamping block in a threaded manner after clamping; the telescopic thread sleeve is contracted to the shortest initial position, and the quick release pin is inserted and fixed;
step three, according to different positions of the large-length mandrel of the blade girder, a handle is rotated to adjust a threaded rod and a telescopic threaded sleeve, a connecting seat and a semi-ring plate are driven, a clamping block is pulled, and the pulling force is transmitted to the mandrel of the blade girder through a cylindrical pin; enabling the adjusting support to tightly push against a drawing fixed surface of the blade girder, and starting a first-stage drawing process;
step four, after the first-stage drawing process is finished, extending the mandrel to 300-400 MM, loosening the clamping block, adjusting the distance between the adjusting support and the fixing support, and clamping by using the clamping block through threads; correspondingly adjusting the distance between the telescopic thread bush and the threaded rod, inserting and fixing the quick-release pin, and performing the second-stage die drawing process;
rotating a handle to adjust the threaded rod and the telescopic threaded sleeve, driving the connecting seat and the semi-ring plate, drawing the clamping block, and transmitting the drawing force to the blade girder mandrel through the cylindrical pin; enabling the adjusting support to tightly push against a drawing fixed surface of the blade girder, starting a second stage drawing process, and extending the mandrel to 700-800 MM to complete the drawing process;
and step six, after the die drawing operation is finished, loosening along the opposite steps, and disassembling and stretching to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471815.4A CN114345966A (en) | 2021-12-03 | 2021-12-03 | Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471815.4A CN114345966A (en) | 2021-12-03 | 2021-12-03 | Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114345966A true CN114345966A (en) | 2022-04-15 |
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| CN202111471815.4A Pending CN114345966A (en) | 2021-12-03 | 2021-12-03 | Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder |
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| GB440315A (en) * | 1935-05-28 | 1935-12-24 | Ind Pour L Expl De Procedes Sp | Improved tube drawing machine for making barrels for rifles, guns and the like |
| GB714075A (en) * | 1951-08-02 | 1954-08-25 | Scaffolding Great Britain Ltd | Improvements in or relating to adjustable props or clamps |
| CN102189139A (en) * | 2011-03-23 | 2011-09-21 | 常州瑞源钢管有限公司 | Cold-drawing inner mold regulating and positioning device for internal-thread seamless steel pipe |
| CN206105753U (en) * | 2016-08-29 | 2017-04-19 | 三河沃达液压控制系统有限公司 | Bi -pass inserted valve extracting tool |
| CN207114311U (en) * | 2017-08-24 | 2018-03-16 | 苏州混凝土水泥制品研究院检测中心有限公司 | A kind of lined with PVC tubing anti-pulling experimental rig |
| CN210024070U (en) * | 2019-04-11 | 2020-02-07 | 营口金鼎模板制造有限公司 | Rail supporting foot of plasma flame cutting machine |
| CN210998475U (en) * | 2019-09-24 | 2020-07-14 | 河源紫金天宏科技有限公司 | Rapid dismounting tool for hook key |
| CN111451984A (en) * | 2020-04-07 | 2020-07-28 | 黄石市嘉瑞塑料模具有限公司 | Extrusion die dismounting device |
| CN214870269U (en) * | 2021-05-25 | 2021-11-26 | 窦洪岩 | Generator set generator bearing dismounting device |
| CN214870268U (en) * | 2021-05-08 | 2021-11-26 | 国网新源控股有限公司 | Simple and easy horse ware that draws with adjustable |
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2021
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| GB440315A (en) * | 1935-05-28 | 1935-12-24 | Ind Pour L Expl De Procedes Sp | Improved tube drawing machine for making barrels for rifles, guns and the like |
| GB714075A (en) * | 1951-08-02 | 1954-08-25 | Scaffolding Great Britain Ltd | Improvements in or relating to adjustable props or clamps |
| CN102189139A (en) * | 2011-03-23 | 2011-09-21 | 常州瑞源钢管有限公司 | Cold-drawing inner mold regulating and positioning device for internal-thread seamless steel pipe |
| CN206105753U (en) * | 2016-08-29 | 2017-04-19 | 三河沃达液压控制系统有限公司 | Bi -pass inserted valve extracting tool |
| CN207114311U (en) * | 2017-08-24 | 2018-03-16 | 苏州混凝土水泥制品研究院检测中心有限公司 | A kind of lined with PVC tubing anti-pulling experimental rig |
| CN210024070U (en) * | 2019-04-11 | 2020-02-07 | 营口金鼎模板制造有限公司 | Rail supporting foot of plasma flame cutting machine |
| CN210998475U (en) * | 2019-09-24 | 2020-07-14 | 河源紫金天宏科技有限公司 | Rapid dismounting tool for hook key |
| CN111451984A (en) * | 2020-04-07 | 2020-07-28 | 黄石市嘉瑞塑料模具有限公司 | Extrusion die dismounting device |
| CN214870268U (en) * | 2021-05-08 | 2021-11-26 | 国网新源控股有限公司 | Simple and easy horse ware that draws with adjustable |
| CN214870269U (en) * | 2021-05-25 | 2021-11-26 | 窦洪岩 | Generator set generator bearing dismounting device |
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