CN118357347A - Device and method for unfolding cylindrical part with ribs - Google Patents
Device and method for unfolding cylindrical part with ribs Download PDFInfo
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- CN118357347A CN118357347A CN202410790843.XA CN202410790843A CN118357347A CN 118357347 A CN118357347 A CN 118357347A CN 202410790843 A CN202410790843 A CN 202410790843A CN 118357347 A CN118357347 A CN 118357347A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 9
- 210000003205 muscle Anatomy 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The invention discloses a ribbed cylindrical part unfolding device which comprises a steel frame, a servo motor, a servo screw rod, a guide rail, a sliding lifting supporting table, a chain stretching table and a cylindrical part fixing lifting table; the two ends of the steel frame along the length direction are respectively provided with a servo motor; the steel frame is provided with a first guide rail and a second guide rail, the first guide rail is provided with a left sliding lifting supporting table and a right sliding lifting supporting table, and the second guide rail is provided with a left chain stretching table and a right chain stretching table; the middle part of the steel frame is provided with a cylindrical part fixing lifting platform, the left sliding lifting supporting platform and the left side chain stretching platform are positioned on the left side of the cylindrical part fixing lifting platform, and the right sliding lifting supporting platform and the right side chain stretching platform are positioned on the right side of the cylindrical part fixing lifting platform; the servo motor is connected with the chain stretching table through a servo screw rod. A method of expanding a ribbed tubular member is also disclosed. The invention solves the problems of complicated unfolding process and low flattening efficiency of the ribbed cylindrical piece.
Description
Technical Field
The invention belongs to the technical field of aviation manufacturing, and particularly relates to a ribbed cylindrical part unfolding device and a unfolding method.
Background
For the development of critical load bearing components of the air carrying equipment, such as ribbed wall plates, towards large integration and complicated high-rib thinning, the manufacturing level has very important influence on the performance, the manufacturing cost and the manufacturing period of the air carrying equipment.
The fuselage wallboard is a key bearing structure of a large-sized aircraft, bears the working conditions of fuselage bending, shearing, torsion load and the like, accounts for 35% -45% of the fuselage structure, and can greatly lighten the weight of the fuselage structure and improve the comprehensive performance of the aircraft by adopting light materials and advanced manufacturing technology through reasonable structural optimization design. Because the large-scale aircraft fuselage wall panel has extremely high requirements on bearing performance, the large-scale aircraft fuselage wall panel is often manufactured by adopting light high-strength aluminum alloy.
Three manufacturing processes mainly exist in the fuselage panels of the existing large aircraft, namely, a skin stringer assembly structure is adopted to respectively form a skin and a stringer, and then the skin and the stringer are connected by riveting. The assembly structure causes the wallboard to have large weight, long manufacturing period and difficult guarantee of riveting quality; secondly, the skin and the stringers are connected by laser welding, and the connection mode realizes the weight reduction of the structure, but easily causes the problems of stress concentration, complex deformation and the like, and the quality of a welding seam at the interface of the skin and the stringers is difficult to ensure. Thirdly, extruding a ribbed cylindrical piece by adopting an extrusion process, and flattening the ribbed cylindrical piece into a ribbed flat piece; the process route can greatly increase the width of the manufactured ribbed wallboard, and is an ideal forming process for manufacturing the integral ribbed wallboard.
Patent document CN109570258A, CN113909329B, CN104148949B has already described in detail a method of forming a wide-width ribbed wallboard by an extrusion process in combination with a flattening process. In comparison, in the prior art, the unfolding process of the ribbed cylindrical piece is complicated, and the flattening efficiency needs to be further improved.
Therefore, there is a need to design a new ribbed drum deployment device and deployment method.
Disclosure of Invention
The invention aims to provide a ribbed cylindrical part unfolding device and a unfolding method, which are used for solving the problems that in the prior art, the unfolding process of the ribbed cylindrical part is complicated, and the flattening efficiency is required to be further improved.
In order to achieve the above purpose, the invention provides a ribbed cylindrical member unfolding device which comprises a steel frame, a servo motor, a servo screw rod, a guide rail, a sliding lifting supporting table, a chain stretching table and a cylindrical member fixing lifting table.
The servo motor comprises a left servo motor and a right servo motor, the servo screw comprises a left servo screw and a right servo screw, the sliding lifting supporting table comprises a left sliding lifting supporting table and a right sliding lifting supporting table, and the chain stretching and expanding table comprises a left chain stretching and expanding table and a right chain stretching and expanding table.
The two ends of the steel frame along the length direction are respectively provided with a left servo motor and a right servo motor; the steel frame is provided with a guide rail paved along the length direction, the guide rail comprises a first guide rail and a second guide rail, the first guide rail is provided with a left sliding lifting supporting table and a right sliding lifting supporting table, and the second guide rail is provided with a left chain stretching table and a right side chain stretching table; the middle part of the steel frame is provided with a cylindrical part fixing lifting platform, the left sliding lifting supporting platform and the left side chain stretching platform are positioned on the left side of the cylindrical part fixing lifting platform, and the right sliding lifting supporting platform and the right side chain stretching platform are positioned on the right side of the cylindrical part fixing lifting platform; the servo motor is connected with the chain stretching table through a servo screw rod.
The fixed elevating platform of cylindric spare is used for fixing the cylindric spare of taking the muscle, and the chain draws and expands the platform and be used for cooperating servo motor to draw to expand the cylindric spare of taking the muscle, and the effect that the fixed elevating platform cooperation adjustment of sliding elevating support platform is used for with the cylindric spare draws expands.
In a specific embodiment, the cylindrical part fixing lifting platform comprises a lifting platform base, a first screw rod lifter, an I-shaped base, a cylindrical part I-shaped base fixing block, a coupler, a hand crank and a screw rod I-shaped base connecting sleeve.
The lifting platform base is arranged on the steel frame, the first screw rod lifter is arranged on the lifting platform base, a screw rod I-shaped base connecting sleeve is arranged below the I-shaped base, and the I-shaped base is arranged at the upper end of the screw rod of the first screw rod lifter through the screw rod I-shaped base connecting sleeve; the screw rod I-shaped base connecting sleeve is used for connecting the upper end of the screw rod with the I-shaped base; the input shaft of the first screw rod lifter is connected with a hand crank through a coupler; the cylindrical workpiece I-shaped base fixing block is arranged on the I-shaped base and is used for fixing the ribbed cylindrical workpiece on the I-shaped base.
In a specific embodiment, the cylinder fixed lifting platform comprises two first screw lifts; the I-shaped base is arranged at the upper ends of the screw rods of the two first screw rod lifters through two screw rod I-shaped base connecting sleeves; the input shafts of the two first screw rod lifters are connected through a coupler; and screw rod protection sleeves are arranged below the first screw rod lifter.
In a specific embodiment, the cylindrical member i-shaped base fixing block comprises a cylindrical member end fixing block, a cylindrical member pressing block and a cylindrical member fixing bolt; the I-shaped base is provided with a threaded hole matched with the cylindrical part fixing bolt; the cylindrical part pressing block is used for pressing the skin of the ribbed cylindrical part contacted with the I-shaped base; the end fixing blocks of the cylindrical part are used for propping against two end faces of the ribbed cylindrical part; through holes for bolts to pass through are formed in both ends of the cylindrical part pressing block and the cylindrical part end fixing blocks, and the cylindrical part fixing bolts penetrate through the through holes in both ends of the cylindrical part pressing block and the cylindrical part end fixing blocks to fix the cylindrical part pressing block and the cylindrical part end fixing blocks on the I-shaped base.
In a specific embodiment, the chain stretching and expanding table comprises a stretching and expanding clamp, a stretching and expanding chain, a ball screw shaft sleeve, a stretching and expanding table guide rail sliding block, a stretching and expanding table bottom plate, a stretching and expanding table supporting frame, a first speed reducing motor, a transmission shaft, a chain wheel and a bearing seat.
The sliding blocks of the guide rail of the stretching and expanding table are arranged on the second guide rail in a matched sliding manner, the bottom plate of the stretching and expanding table is erected on the sliding blocks of the guide rail of the two parallel stretching and expanding tables, and the bottom plate of the stretching and expanding table is also provided with a ball screw shaft sleeve which is used for enabling the bottom plate of the stretching and expanding table to be connected with a servo screw.
A stretching table support frame is fixedly arranged on the stretching table bottom plate, a bearing seat and a first gear motor are arranged on the stretching table support frame, a transmission shaft is arranged on the bearing seat, and the first gear motor is used for driving the transmission shaft to rotate; the chain wheel is arranged on the transmission shaft; the sprocket is connected with the chain that draws to expand the meshing, draws one end of expanding the chain to be connected with drawing to expand anchor clamps detachable.
In a specific embodiment, the support frame of the stretching and expanding table comprises a side plate of the stretching and expanding table and a supporting rod of the stretching and expanding table, wherein the two side plates of the stretching and expanding table are oppositely arranged on the bottom plate of the stretching and expanding table, a plurality of supporting rods of the stretching and expanding table are arranged between the two side plates of the stretching and expanding table, and two ends of the supporting rod of the stretching and expanding table are respectively and vertically connected to the two side plates of the stretching and expanding table.
The side surfaces of the side plates and the bottom plate of the stretching table are also provided with support frame reinforcing ribs; and a motor support frame is also arranged on the side plate of the stretching and expanding table.
One end of the transmission shaft and the output shaft of the first gear motor are both provided with synchronous pulleys, and a rubber synchronous belt is arranged between the synchronous pulleys on the transmission shaft and the synchronous pulleys on the first gear motor for connection.
In a specific embodiment, the stretching clamp comprises a first stretching clamp and a second stretching clamp;
the first stretching clamp comprises a first clamping strip and a second clamping strip, through holes for installing bolt groups are formed in the two ends of the first clamping strip and the second clamping strip, and clamping is completed by installing the bolt groups in the two ends of the first clamping strip and the second clamping strip; the first clamping strip is provided with a connecting lug hole which is used for being detachably connected with the stretching chain.
The second stretching clamp comprises an upper stretching clamp, a lower stretching clamp and a stretching bolt set, a chain connecting hole for detachably connecting with a stretching chain is formed in one side edge of the lower stretching clamp, a row of through holes for installing the stretching bolt set are symmetrically formed in the upper stretching clamp and the lower stretching clamp, and anti-slip insections are formed in the opposite surfaces of the upper stretching clamp and the lower stretching clamp;
The other end of the stretching chain is connected with a hanging plate.
In a specific embodiment, the sliding lifting support table comprises a sliding support table sliding block, a sliding support table bottom plate, a second screw rod lifter, a coupler, a second gear motor and a sliding support round bar.
The sliding support table sliding blocks are arranged on the first guide rail in a matching sliding manner, and the sliding support table bottom plate is erected on the two parallel sliding support table sliding blocks; the second speed reducing motor and the second screw rod lifter are arranged on the bottom plate of the sliding support table; a coupling is arranged between the second gear motor and the second screw rod lifter for connection; the sliding support round bar is arranged at the upper end of the screw rod of the second screw rod lifter.
In a specific embodiment, two second screw rod lifters are arranged on the bottom plate of the sliding support table, and a coupling is arranged between the two second screw rod lifters for linkage; a screw rod protective sleeve is arranged below the second screw rod lifter;
A screw rod round bar connecting sleeve is arranged below the sliding support round bar, and the sliding support round bar is arranged at the upper ends of screw rods of the two second screw rod lifters through the two screw rod round bar connecting sleeves; the screw rod round bar connecting sleeve is used for connecting the upper end of the screw rod with the sliding support round bar; the sliding support round rod is sleeved with a limiting flange which is used for limiting two end faces of the ribbed cylindrical piece.
The invention also provides a method for expanding the ribbed cylindrical piece, which adopts the device for expanding the ribbed cylindrical piece, and specifically comprises the following steps:
step 1, drilling and cutting a ribbed cylindrical part;
step 2, fixing the ribbed cylindrical part on a cylindrical part fixing lifting table;
step3, carrying out preliminary stretching on the ribbed cylindrical piece, and pulling from the middle of the skins of the left side and the right side of the ribbed cylindrical piece to pull the cut part open;
Step 4, connecting the cut edge of the pulled-open ribbed cylindrical piece with a chain pulling and expanding table;
And 5, carrying out secondary stretching on the ribbed cylindrical member until the stretched ribbed wallboard is formed.
Compared with the prior art, the invention has the following beneficial effects:
The invention solves the problems of complicated unfolding process and low flattening efficiency of the ribbed cylindrical piece.
The ribbed cylindrical piece unfolding device has the advantages of simplicity in operation and high unfolding efficiency, and ensures the quality of the obtained ribbed wallboard.
The unfolded ribbed wallboard obtained by the method for unfolding the ribbed cylindrical piece has higher overall performance, can realize high-efficiency and high-quality unfolding of the ribbed cylindrical piece, avoids high mould design and manufacturing cost to a certain extent, and saves working procedures required in the flattening process, thereby reducing time cost.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic illustration of a ribbed drum deployment device of the present invention;
FIG. 2 is a schematic illustration of a ribbed drum with holes drilled and cut away;
FIG. 3 is a schematic view of a cartridge compact of the present invention;
FIG. 4 is a schematic view of a cylinder stationary elevator having a ribbed cylinder already secured thereto;
FIG. 5 is a schematic view of the rear view of the cylinder stationary elevator base to which the ribbed cylinder has been secured;
FIG. 6 is a schematic illustration of a ribbed drum deployment device ready for preliminary pull-up;
FIG. 7 is a schematic view of a first despreading fixture mounted on a despreading chain;
FIG. 8 is a schematic view of a second draw bench;
FIG. 9 is a schematic view of a ribbed cylinder member completing a preliminary pull-up;
FIG. 10 is a schematic view of a chain extender station of the present invention;
FIG. 11 is a schematic illustration of a ribbed drum deployment device ready for secondary pull-up;
FIG. 12 is a schematic view of a sliding lifting support table according to the present invention;
FIG. 13 is a schematic view of a ribbed cylindrical member during a secondary draw process;
FIG. 14 is a schematic view of a ribbed drum deployment device undergoing secondary pull-up;
FIG. 15 is a schematic view of the ribbed drum deployment device secondarily pulled and expanded to an over-bent condition;
Wherein, 1, a steel frame; 2. a servo motor; 3. a servo screw rod; 4. a guide rail; 5. a sliding lifting support table; 6. a chain stretching table; 7. the cylindrical part is fixed on the lifting platform; 51. a sliding support table slide block; 52. a sliding support base plate; 53. a second screw lifter; 54. a second gear motor; 55. sliding support round bar; 61. a stretching clamp; 62. pulling and expanding a chain; 63. ball screw shaft sleeve; 64. a guide rail slide block of a stretching table; 65. pulling and expanding a bottom plate of the platform; 66. a support frame of a stretching table; 67. a first gear motor; 68. a transmission shaft; 69. a sprocket; 611. a first stretching clamp; 612. a second stretching clamp; 71. a lifting table base; 72. a first screw lifter; 73. an I-shaped base; 74. a cylindrical workpiece I-shaped base fixing block; 75. a hand crank; 76. the screw rod I-shaped base connecting sleeve; 741. a cylindrical member end fixing block; 742. pressing a cylindrical part; 01. a ribbed cylindrical member.
Detailed Description
The following detailed description of embodiments of the invention, taken in conjunction with the accompanying drawings, is provided to illustrate and not to limit the invention.
Example 1
The invention provides a ribbed cylindrical part unfolding device which comprises a steel frame 1, a servo motor 2, a servo screw rod 3, a guide rail 4, a sliding lifting supporting table 5, a chain stretching table 6 and a cylindrical part fixing lifting table 7.
The servo motor 2 comprises a left servo motor and a right servo motor, the servo screw 3 comprises a left servo screw and a right servo screw, the sliding lifting supporting table 5 comprises a left sliding lifting supporting table and a right sliding lifting supporting table, and the chain stretching and expanding table 6 comprises a left chain stretching and expanding table and a right chain stretching and expanding table.
The two ends of the steel frame 1 along the length direction are respectively provided with a left servo motor and a right servo motor; the steel frame 1 is provided with a guide rail 4 paved along the length direction, the guide rail 4 comprises a first guide rail and a second guide rail, the first guide rail is provided with a left sliding lifting supporting table and a right sliding lifting supporting table, and the second guide rail is provided with a left chain stretching table and a right side chain stretching table; the middle part of steelframe 1 is provided with cylinder fixed lifting platform 7, and left side slip lift supporting bench and left side chain stretch board are located the left side of cylinder fixed lifting platform 7, and right side slip lift supporting bench and right side chain stretch board are located the right side of cylinder fixed lifting platform 7.
The left servo motor is connected with the left side chain stretching table through a left servo screw rod, and the right servo motor is connected with the right side chain stretching table through a right servo screw rod.
The fixed elevating platform 7 of cylindric spare is used for fixing the cylindric spare of taking the muscle, and chain draws and expands platform 6 and be used for cooperating servo motor to draw to expand the cylindric spare of taking the muscle, and the effect that the fixed elevating platform cooperation adjustment of sliding elevating support platform 5 is used for with the cylindric spare draws expands.
The left-right direction is along the length direction of the steel frame, and the front-back direction is along the width direction of the steel frame.
The cylindrical part fixing lifting platform 7 comprises a lifting platform base 71, a first screw rod lifter 72, an I-shaped base 73, a cylindrical part I-shaped base fixing block 74, a coupler, a hand crank 75 and a screw rod I-shaped base connecting sleeve 76.
The lifting platform base 71 is arranged on the steel frame 1, the first screw rod lifter 72 is arranged on the lifting platform base 71, a screw rod I-shaped base connecting sleeve 76 is arranged below the I-shaped base 73, and the I-shaped base 73 is arranged at the upper end of the screw rod of the first screw rod lifter 72 through the screw rod I-shaped base connecting sleeve 76; the screw rod I-shaped base connecting sleeve 76 is used for connecting the upper end of the screw rod with the I-shaped base 73; the input shaft of the first screw lifter 72 is connected with a hand crank 75 through a coupling; the cylindrical member i-shaped base fixing block 74 is provided on the i-shaped base 73, and the cylindrical member i-shaped base fixing block 74 is used for fixing the ribbed cylindrical member 01 on the i-shaped base. The coupler is a coupler with key grooves.
The cylindrical part fixing lifting platform comprises two first screw rod lifters 72; the I-shaped base 73 is arranged at the upper ends of the screw rods of the two first screw rod lifters 72 through two screw rod I-shaped base connecting sleeves 76; the input shafts of the two first screw lifters 72 are connected through a coupling; screw rod protecting sleeves are arranged below the first screw rod lifter 72.
The cylindrical member I-shaped base fixing block 74 comprises a cylindrical member end fixing block 741, a cylindrical member pressing block 742 and a cylindrical member fixing bolt; the I-shaped base 73 is provided with a threaded hole matched with the cylindrical part fixing bolt; the cylinder pressing block 742 is used for pressing the skin of the ribbed cylinder contacted with the I-shaped base; the cylinder end fixing blocks 741 are used for propping against the two end faces of the ribbed cylinder; through holes for bolts to pass through are formed in both ends of the cylindrical part pressing block 742 and the cylindrical part end fixing block 741, and the cylindrical part fixing bolts penetrate through the through holes in both ends of the cylindrical part pressing block and the cylindrical part end fixing block to fix the cylindrical part pressing block 742 and the cylindrical part end fixing block 741 on the I-shaped base 73, so that threaded connection is formed between the cylindrical part fixing bolts and threaded holes formed in the I-shaped base. The cylindrical part fixing bolt is an outer hexagon bolt.
Two rows of threaded holes are uniformly formed in the I-shaped base 73 side by side, a groove slideway is further formed in the I-shaped base, and two small sliding blocks are arranged in the groove slideway. The two small sliders can only move along the groove slide. Threaded holes are formed in the two small sliding blocks; the fixing blocks at the end parts of the cylindrical parts are provided with grooves, and the bottoms of the grooves are provided with through holes for bolts to pass through; the bolt passes through the through hole at the bottom of the groove of the end fixing block of the cylindrical part and is in threaded connection with the threaded hole on the small sliding block, so that the end fixing block of the cylindrical part can only move along the groove sliding way along with the small sliding block.
The chain stretching table 6 comprises a stretching clamp 61, a stretching chain 62, a ball screw shaft sleeve 63, a stretching table guide rail slide block 64, a stretching table bottom plate 65, a stretching table support frame 66, a first gear motor 67, a transmission shaft 68, a chain wheel 69 and a bearing seat.
The stretching table guide rail slide blocks 64 are arranged on the second guide rail in a matched sliding manner, the stretching table bottom plate 65 is erected on the two parallel stretching table guide rail slide blocks 64, the stretching table bottom plate 65 is further provided with a ball screw shaft sleeve 63, and the ball screw shaft sleeve 63 is used for enabling the stretching table bottom plate 65 to be connected with the servo screw 3.
A stretching table support frame 66 is fixedly arranged on the stretching table bottom plate 65, a bearing seat and a first speed reducing motor 67 are arranged on the stretching table support frame 66, a transmission shaft 68 is arranged on the bearing seat, and the first speed reducing motor 67 is used for driving the transmission shaft 68 to rotate; the sprocket 69 is arranged on the transmission shaft 68; the sprocket 69 is engaged with the chain 62, and one end of the chain 62 is detachably connected to the chain 61.
The stretching table support frame 66 comprises a stretching table side plate and a stretching table support rod, the two stretching table side plates are oppositely arranged on the stretching table bottom plate 65, a plurality of stretching table support rods are arranged between the two stretching table side plates, and two ends of the stretching table support rod are respectively and vertically connected to the two stretching table side plates.
The side surfaces of the side plates and the bottom plate of the stretching table are also provided with support frame reinforcing ribs; and a motor support frame is also arranged on the side plate of the stretching and expanding table.
One end of the transmission shaft 68 and the output shaft of the first gear motor 67 are both provided with synchronous pulleys, and a rubber synchronous belt is arranged between the synchronous pulleys on the transmission shaft and the synchronous pulleys on the first gear motor 67 for connection.
The stretching clamp 61 comprises a first stretching clamp 611 and a second stretching clamp 612;
The first stretching clamp 611 comprises a first clamping bar and a second clamping bar, through holes for installing bolt groups are formed in two ends of the first clamping bar and the second clamping bar, and clamping is completed by installing the bolt groups in two ends of the first clamping bar and the second clamping bar; the first clamping strip is provided with a connecting ear for releasable connection with the chain extender 62. The first stretching clamp is connected with the stretching chain through a connecting lug hole, a clamping ring and a pin with a groove.
The second pull-expanding fixture 612 comprises an upper pull-expanding fixture, a lower pull-expanding fixture and a pull-expanding bolt set, wherein a chain connecting hole for detachably connecting with the pull-expanding chain 62 is arranged on one side edge of the lower pull-expanding fixture, a row of through holes for installing the pull-expanding bolt set are symmetrically arranged on the upper pull-expanding fixture and the lower pull-expanding fixture, and anti-slip insections are arranged on opposite surfaces of the upper pull-expanding fixture and the lower pull-expanding fixture.
The other end of the chain 62 is connected with a hanging plate, and the hanging plate is lifted along with the pulling of the chain.
The sliding lifting support table 5 comprises a sliding support table sliding block 51, a sliding support table bottom plate 52, a second screw rod lifter 53, a coupler, a second gear motor 54 and a sliding support round bar 55.
The sliding support table sliding blocks 51 are arranged on the first guide rail in a matched sliding manner, and the sliding support table bottom plate 52 is erected on the two parallel sliding support table sliding blocks 51; the second gear motor 54 and the second screw lifter 53 are both disposed on the sliding support table bottom plate 52; a coupling is arranged between the second gear motor 54 and the second screw rod lifter 53 for connection; a sliding support round bar 55 is provided at the upper end of the screw of the second screw lifter 53. The sliding support rod 55 is used to form an arcuate contact surface for supporting the ribbed cylindrical member.
Two second screw rod lifters 53 are arranged on the bottom plate 52 of the sliding support table, and a coupling is arranged between the two second screw rod lifters 53 for linkage; screw rod protecting sleeves are arranged below the second screw rod lifter 53.
A screw rod round bar connecting sleeve is arranged below the sliding support round bar 55, and the sliding support round bar 55 is arranged at the upper ends of the screws of the two second screw rod lifters 53 through the two screw rod round bar connecting sleeves; the screw rod round bar connecting sleeve is used for connecting the upper end of the screw rod with the sliding support round bar; the sliding support round bar 55 is sleeved with limiting flanges which are used for limiting two end faces of the ribbed cylindrical piece.
The invention also provides a method for expanding the ribbed cylindrical piece, which adopts the device for expanding the ribbed cylindrical piece, and specifically comprises the following steps:
Step 1, drilling and cutting a ribbed cylindrical member 01;
step 2, fixing the ribbed cylindrical member 01 on a cylindrical member fixing lifting table 7;
Step 3, carrying out preliminary stretching on the ribbed cylindrical member 01, and pulling from the middle of the skins of the left side and the right side of the ribbed cylindrical member to pull the cut part open;
Step 4, connecting the cut edge of the pulled-open ribbed cylindrical piece with a chain pulling and expanding table 6;
And 5, carrying out secondary stretching on the ribbed cylindrical member until the stretched ribbed wallboard is formed.
In step 1, firstly, cutting and drilling areas of the ribbed cylindrical piece are marked. The ribbed cylindrical part is made of high-strength aluminum alloy, a drilling area is drilled to form a broaching hole, the hole size of the broaching hole is 6mm, the broaching hole is distributed according to the through holes of the second broaching bolt group, and the cutting line is cut.
In step 2, firstly, the ribbed cylindrical part which is cut and drilled is moved onto the I-shaped base, the cutting joint is upward, two cylindrical part end fixing blocks respectively prop against two end faces of the ribbed cylindrical part, two small sliding blocks respectively slide in from the grooves of the I-shaped base, and meanwhile, an inner hexagon bolt is used for penetrating through a through hole of a groove at the bottom of the cylindrical part end fixing block, the inner hexagon bolt is screwed with a threaded hole on the small sliding block, and the cylindrical part end fixing block is fixed through threaded connection of the inner hexagon bolt and the small sliding block, so that the movement of the ribbed cylindrical part in the front-back direction is limited.
Secondly, covering a cylindrical part pressing block on the skin at the bottom of the inner side of the ribbed cylindrical part, and connecting the cylindrical part pressing block, the cylindrical part end fixing block and the I-shaped base together through a cylindrical part fixing bolt to prevent the ribbed cylindrical part from rotating in the unfolding process.
In addition, the I-shaped base and the screw rod I-shaped base connecting sleeve are connected together in a bolt connection mode. One side of the screw rod I-shaped base connecting sleeve with a threaded hole is in threaded connection with the upper end of the screw rod in the lifter, the screw rod lifter is commercially purchased, the input shaft of the screw rod lifter is enabled to rotate through the coupler by rotating the hand handle, and accordingly the screw rod of the screw rod lifter is driven to move up and down, and further the I-shaped base of the lifting platform is fixed by the cylindrical part to move up and down.
In step 3, first, rotate the hand grip, make the I-shaped base of the fixed elevating platform of tubular part rise to suitable height, adopt the first anchor clamps of expanding to grasp the middle department of the left and right sides skin of the ribbed tubular part of stretching to make the chain of expanding be in comparatively horizontal position, first anchor clamps of expanding and chain of expanding are connected through connecting ear hole, snap ring and grooved pin. In the process of stretching the chain, the servo motor at the two ends of the steel frame rotates to enable the servo screw rod to rotate, the ball screw shaft sleeve of the chain stretching and expanding table is connected with the servo screw rod through threads, so that the two chain stretching and expanding tables respectively move towards the left end and the right end along the second guide rail on the steel frame, and the sliding distance of the chain stretching and expanding tables along the guide rail is accurately controlled through the servo motor.
Starting a gear motor on the left/right chain stretching bench, rotating the gear motor to drive the rubber synchronous belt and the synchronous belt pulley to rotate, further transmitting torque to the transmission shaft to drive the chain wheel to rotate, enabling the chain to be meshed with the chain wheel to realize stretching of the ribbed cylindrical part, enabling the stretching process to be slow as much as possible, adjusting the rotating speed to be less than or equal to 5 revolutions per minute, and after the stretching process is repeated for multiple times, stretching the ribbed cylindrical part until the stretched cylindrical part is stretched to the position after the stretched cylindrical part is removed to rebound, and enabling the distance between the cutting positions of the ribbed cylindrical part to be larger than the radius of the ribbed cylindrical part.
And 4, clamping the ribbed cylindrical piece subjected to preliminary expansion at the cutting position of the ribbed cylindrical piece through a second expansion clamp. The second stretching clamp comprises an upper stretching clamp, a lower stretching clamp and a stretching bolt set, wherein 6 countersunk holes with the diameter of 6mm are drilled in the upper stretching clamp and the lower stretching clamp respectively, and the stretching bolt set penetrates through the countersunk holes of the upper stretching clamp, the stretching holes of the cut edges of the ribbed cylindrical piece and the countersunk holes of the lower stretching clamp and then is screwed up, so that the second stretching clamp clamps the cut edges of the ribbed cylindrical piece.
One chain connecting hole of the chain stretching and expanding table and one chain connecting hole of the second stretching and expanding clamp are connected with the clamping ring through a grooved pin, and the other chain connecting hole of the chain stretching and expanding table and the other chain connecting hole of the second stretching and expanding clamp are connected through the grooved pin and the clamping ring.
In step 5, in order to draw the circular arc section of cutting open and expand into comparatively straight state, the slip lift brace table of both sides need be along the left and right sides horizontal migration of first guide rail in the drawing and expanding the in-process, opens servo motor synchronization and makes the both sides chain draw and expand the platform and carry out the slow motion along the second guide rail along the both ends about the steelframe respectively, opens the gear motor on the chain draw and expand the bench of both sides, gear motor rotates and realizes that the chain draws and expands the secondary of platform to taking the muscle cylindric piece.
In the secondary stretching process, the horizontal moving distance of the sliding lifting support tables at the left side and the right side is required to be continuously adjusted, and the gear motor drives the second screw rod lifters through the coupler to synchronously realize the lifting of screw rods in the two second screw rod lifters; in the chain stretching process, two flanges sleeved on the sliding support round rod respectively prop against the two end faces of the ribbed cylindrical part.
At the moment, a handle is needed to be cranked simultaneously, the lifting height of the screw rod of the first screw rod lifter is adjusted, the chain is in a proper stretching angle, the chain is stretched for many times, the moving distance of the chain stretching platform, the supporting point height of the sliding supporting round rod of the sliding lifting supporting platform and the lifting height of the fixed lifting platform of the cylindrical part are adjusted for many times, and the cylindrical part with the rib is stretched to a bending state.
Finally, the chain stretching table is slowly moved, the lifting height of the fixed lifting table of the cylindrical part is reduced, the stretching chain is in a non-tightening state, the stretching chain is unloaded, the cylindrical part with ribs is rebounded, and the expanded wall plate with ribs is formed when the requirement is met.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and is not intended to limit the practice of the invention to such description. It will be apparent to those skilled in the art that several simple deductions and substitutions can be made without departing from the spirit of the invention, and these are considered to be within the scope of the invention.
Claims (10)
1. The cylindrical part unfolding device with the ribs is characterized by comprising a steel frame (1), a servo motor (2), a servo screw (3), a guide rail (4), a sliding lifting supporting table (5), a chain stretching table (6) and a cylindrical part fixing lifting table (7);
The servo motor (2) comprises a left servo motor and a right servo motor, the servo screw (3) comprises a left servo screw and a right servo screw, the sliding lifting support table (5) comprises a left sliding lifting support table and a right sliding lifting support table, and the chain stretching table (6) comprises a left chain stretching table and a right side chain stretching table;
The two ends of the steel frame (1) along the length direction are respectively provided with a left servo motor and a right servo motor; the steel frame (1) is provided with a guide rail (4) paved along the length direction, the guide rail (4) comprises a first guide rail and a second guide rail, the first guide rail is provided with a left sliding lifting supporting table and a right sliding lifting supporting table, and the second guide rail is provided with a left chain stretching table and a right chain stretching table; the middle part of the steel frame (1) is provided with a cylindrical part fixing lifting table (7), the left sliding lifting supporting table and the left side chain stretching table are positioned on the left side of the cylindrical part fixing lifting table (7), and the right sliding lifting supporting table and the right side chain stretching table are positioned on the right side of the cylindrical part fixing lifting table (7); the servo motor (2) is connected with the chain stretching table (6) through a servo screw rod (3).
2. The ribbed cylinder part unfolding apparatus according to claim 1, characterized in that the cylinder part fixing lifting platform (7) comprises a lifting platform base (71), a first screw rod lifter (72), an i-shaped base (73), a cylinder part i-shaped base fixing block (74), a coupler, a hand crank (75) and a screw rod i-shaped base connecting sleeve (76);
The lifting platform base (71) is arranged on the steel frame (1), the first screw rod lifter (72) is arranged on the lifting platform base (71), a screw rod I-shaped base connecting sleeve (76) is arranged below the I-shaped base (73), and the I-shaped base (73) is arranged at the upper end of a screw rod of the first screw rod lifter (72) through the screw rod I-shaped base connecting sleeve (76); the screw rod I-shaped base connecting sleeve (76) is used for connecting the upper end of the screw rod with the I-shaped base (73); the input shaft of the first screw rod lifter (72) is connected with a hand crank (75) through a coupler; the cylindrical part I-shaped base fixing block (74) is arranged on the I-shaped base (73), and the cylindrical part I-shaped base fixing block (74) is used for fixing the ribbed cylindrical part (01) on the I-shaped base (73).
3. The ribbed drum deployment device of claim 2, wherein the drum stationary lift includes two first lead screw lifts (72); the I-shaped base (73) is arranged at the upper ends of the screw rods of the two first screw rod lifters (72) through two screw rod I-shaped base connecting sleeves (76); the input shafts of the two first screw rod lifters (72) are connected through a coupler; screw rod protection sleeves are arranged below the first screw rod lifter (72).
4. The ribbed cartridge deployment device of claim 2 wherein the cartridge i-shaped base fixing block (74) comprises a cartridge end fixing block (741), a cartridge press block (742) and a cartridge fixing bolt; the I-shaped base (73) is provided with a threaded hole matched with the cylindrical part fixing bolt; the cylindrical part pressing block (742) is used for pressing the skin of the ribbed cylindrical part contacted with the I-shaped base; the end fixing blocks (741) of the cylindrical part are used for propping against the two end faces of the ribbed cylindrical part; through holes for bolts to pass are formed in both ends of the cylindrical part pressing block (742) and the cylindrical part end fixing blocks (741), and the cylindrical part pressing block (742) and the cylindrical part end fixing blocks (741) are fixed on the I-shaped base (73) by the cylindrical part fixing bolts which pass through the through holes in both ends of the cylindrical part pressing block (742) and the cylindrical part end fixing blocks (741).
5. The ribbed cylindrical member expanding device according to claim 1, characterized in that said chain expanding table (6) comprises a expanding jig (61), a expanding chain (62), a ball screw shaft sleeve (63), a expanding table guide rail slider (64), a expanding table bottom plate (65), a expanding table supporting frame (66), a first gear motor (67), a transmission shaft (68), a sprocket (69) and a bearing block;
The stretching table guide rail sliding blocks (64) are arranged on the second guide rail in a matched sliding manner, a stretching table bottom plate (65) is erected on the two parallel stretching table guide rail sliding blocks (64), a ball screw shaft sleeve (63) is further arranged on the stretching table bottom plate (65), and the ball screw shaft sleeve (63) is used for enabling the stretching table bottom plate (65) to be connected with the servo screw (3);
A stretching table support frame (66) is fixedly arranged on the stretching table bottom plate (65), a bearing seat and a first speed reducing motor (67) are arranged on the stretching table support frame (66), a transmission shaft (68) is arranged on the bearing seat, and the first speed reducing motor (67) is used for driving the transmission shaft (68) to rotate; the chain wheel (69) is arranged on the transmission shaft (68); the chain wheel (69) is meshed with the chain (62), and one end of the chain (62) is detachably connected with the chain-expanding clamp (61).
6. The ribbed cylindrical member expanding device according to claim 5, characterized in that the stretching table supporting frame (66) comprises a stretching table side plate and a stretching table supporting rod, the two stretching table side plates are oppositely arranged on the stretching table bottom plate (65), a plurality of stretching table supporting rods are arranged between the two stretching table side plates, and two ends of the stretching table supporting rod are respectively and vertically connected to the two stretching table side plates;
the side surfaces of the side plates and the bottom plate of the stretching table are also provided with support frame reinforcing ribs; a motor support frame is also arranged on the side plate of the stretching and expanding table;
One end of the transmission shaft (68) and an output shaft of the first gear motor (67) are both provided with synchronous pulleys, and a rubber synchronous belt is arranged between the synchronous pulleys on the transmission shaft (68) and the synchronous pulleys on the first gear motor (67) for connection.
7. The ribbed drum deployment device of claim 5, characterized in that the stretching clamps (61) comprise a first stretching clamp (611) and a second stretching clamp (612);
The first stretching clamp (611) comprises a first clamping strip and a second clamping strip, through holes for installing bolt groups are formed in the two ends of the first clamping strip and the second clamping strip, and clamping is completed by installing the bolt groups in the two ends of the first clamping strip and the second clamping strip; the first clamping strip is provided with a connecting lug hole which is used for detachably connecting with the stretching chain (62);
The second stretching clamp (612) comprises an upper stretching clamp, a lower stretching clamp and a stretching bolt set, a chain connecting hole for detachably connecting with a stretching chain (62) is formed in one side edge of the lower stretching clamp, a row of through holes for installing the stretching bolt set are symmetrically formed in the upper stretching clamp and the lower stretching clamp, and anti-slip insections are formed in the opposite surfaces of the upper stretching clamp and the lower stretching clamp;
The other end of the stretching chain (62) is connected with a hanging plate.
8. The ribbed cylindrical member expanding device according to claim 1, characterized in that said sliding elevating support table (5) comprises a sliding support table slider (51), a sliding support table bottom plate (52), a second screw lifter (53), a coupling, a second gear motor (54) and a sliding support round bar (55);
The sliding support table sliding blocks (51) are arranged on the first guide rail in a matched sliding manner, and the sliding support table bottom plate (52) is erected on the two parallel sliding support table sliding blocks (51); the second gear motor (54) and the second screw rod lifter (53) are arranged on the bottom plate (52) of the sliding support table; a coupling is arranged between the second gear motor (54) and the second screw rod lifter (53) for connection; the sliding support round bar (55) is arranged at the upper end of the screw rod of the second screw rod lifter (53).
9. The ribbed cylindrical piece unfolding apparatus according to claim 8, characterized in that two second screw lifters (53) are arranged on the bottom plate (52) of the sliding support table, and a coupling is arranged between the two second screw lifters (53) for linkage; screw rod protective sleeves are arranged below the second screw rod lifters (53);
a screw rod round bar connecting sleeve is arranged below the sliding support round bar (55), and the sliding support round bar (55) is arranged at the upper ends of screw rods of the two second screw rod lifters (53) through the two screw rod round bar connecting sleeves; the screw rod round bar connecting sleeve is used for connecting the upper end of the screw rod with the sliding support round bar; the sliding support round rod (55) is sleeved with a limiting flange which is used for limiting two end faces of the ribbed cylindrical piece.
10. A ribbed cylindrical member expanding method, characterized in that the ribbed cylindrical member expanding device according to any one of claims 1 to 9 is employed, comprising the steps of:
step1, drilling and cutting a ribbed cylindrical piece (01);
Step 2, fixing the ribbed cylindrical part (01) on a cylindrical part fixing lifting table (7);
Step 3, carrying out preliminary stretching on the ribbed cylindrical piece (01), and pulling from the middle of the skins of the left side and the right side of the ribbed cylindrical piece to pull the cut part open;
Step 4, connecting the cut edge of the pulled-open ribbed cylindrical piece with a chain pulling and expanding table (6);
And 5, carrying out secondary stretching on the ribbed cylindrical member until the stretched ribbed wallboard is formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410790843.XA CN118357347B (en) | 2024-06-19 | 2024-06-19 | Device and method for unfolding cylindrical part with ribs |
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| CN202410790843.XA CN118357347B (en) | 2024-06-19 | 2024-06-19 | Device and method for unfolding cylindrical part with ribs |
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| CN118357347B CN118357347B (en) | 2024-08-16 |
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| CN114042779A (en) * | 2021-11-30 | 2022-02-15 | 一重集团大连工程技术有限公司 | Aluminum alloy cylinder flattening process with rib plate formed by integral extrusion molding |
| CN115193950A (en) * | 2022-07-08 | 2022-10-18 | 烟台亿众智能科技有限公司 | A almag panel flattening device for auto-parts production |
| CN117892599A (en) * | 2024-03-14 | 2024-04-16 | 中南大学 | Expansion method of ribbed cylinder piece and application thereof |
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| KR101918937B1 (en) * | 2017-10-20 | 2018-11-15 | (주)인텍 | Vetical axis structure of machine tool that can expand processing distance by 2 times |
| CN111421346A (en) * | 2020-04-30 | 2020-07-17 | 庄玉华 | Iron drum cutting and flattening device based on environmental protection waste recycling |
| CN113351722A (en) * | 2021-06-23 | 2021-09-07 | 上海交通大学 | Multi-stage expanding spinning forming device and method for processing ribbed long-tube component |
| CN114042779A (en) * | 2021-11-30 | 2022-02-15 | 一重集团大连工程技术有限公司 | Aluminum alloy cylinder flattening process with rib plate formed by integral extrusion molding |
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