CN113020362A - Movable metal round pipe rolling incremental forming device - Google Patents
Movable metal round pipe rolling incremental forming device Download PDFInfo
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- CN113020362A CN113020362A CN202110193244.6A CN202110193244A CN113020362A CN 113020362 A CN113020362 A CN 113020362A CN 202110193244 A CN202110193244 A CN 202110193244A CN 113020362 A CN113020362 A CN 113020362A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 69
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 238000003892 spreading Methods 0.000 claims description 7
- 230000007480 spreading Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 5
- 230000009193 crawling Effects 0.000 description 4
- 238000009785 tube rolling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/12—Bending tubes into wave form
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a movable metal round pipe rolling incremental forming device which comprises a rolling forming module, a walking driving module and a supporting and positioning module, wherein the rolling forming module is used for driving a walking driving module to move; the rolling forming module comprises a roller mechanism, a radial expanding transmission mechanism, an axial rotation transmission mechanism, a frustum-shaped end cover, a motor mounting frame, a cylinder and a first bottom cover; the walking driving module comprises a wheel leg mechanism, a wheel leg transmission mechanism, a box body and a second bottom cover; the supporting and positioning module comprises a supporting and positioning mechanism, a rolling mechanism, a cylindrical box body, a circular supporting plate and a circular bottom cover; and a walking driving module is installed on one side of the rolling forming module, and a supporting and positioning module is installed on the other side of the rolling forming module. The invention can roll-form the corrugated pipe or the bulging pipe with high corrugation height and narrow corrugation width, and has high modularization degree, strong universality and stable and reliable mechanism.
Description
Technical Field
The invention relates to a movable metal round pipe rolling incremental forming device.
Background
The metal corrugated pipe is a pipe part with regular wavy shape and transverse corrugations. The elastic component has high bending fatigue strength and elastic stability, can generate axial, transverse and angular displacements under the action of external force, is often used as an elastic element for manufacturing compensators, flexible connecting pieces, heat exchangers and the like, and is widely applied to the fields of aerospace, electric instruments, petrochemical industry, automobiles, ships and the like.
The forming process of the corrugated pipe comprises mechanical forming, hydraulic forming, welding forming and the like. The hydroforming process is relatively complex, and has certain limitation on the shape of the corrugation, so that the corrugated pipe with high corrugation height and narrow corrugation width is not easy to form. The mechanical bulging is usually formed by radially expanding and bulging a plurality of die sections, the forming quality is not easy to control, and the die sections are all designed in a targeted manner, so that the universality is not strong.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the movable metal circular tube rolling incremental forming device which can roll the corrugated tube with high corrugation height and narrow corrugation width, and has the advantages of high modularization degree, strong universality, stable and reliable structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a movable metal round pipe rolling incremental forming device comprises a rolling forming module, a walking driving module and a supporting and positioning module; the rolling forming module comprises a roller mechanism, a radial expanding transmission mechanism, an axial rotation transmission mechanism, a frustum-shaped end cover, a motor mounting frame, a cylinder and a first bottom cover; the walking driving module comprises a wheel leg mechanism, a wheel leg transmission mechanism, a box body and a second bottom cover; the supporting and positioning module comprises a supporting and positioning mechanism, a rolling mechanism, a cylindrical box body, a circular supporting plate and a circular bottom cover; a walking driving module is installed on one side of the rolling forming module, and a supporting and positioning module is installed on the other side of the rolling forming module;
the roller mechanism in the rolling forming module comprises 6 roller groups consisting of a first roller and a second roller and 6 supporting rods; 6 support rods are uniformly arranged on the first bottom cover, one ends of the 6 support rods are respectively provided with 1 group of roller groups, and the roller groups are positioned on the outer side of the circular first bottom cover; the radial spreading transmission mechanism comprises a first motor, a first coupler, a lead screw nut and 6 connecting rods; the motor mounting frame is fixedly provided with a first motor, the output end of the first motor is connected with one end of a screw rod through a first coupler, and the other end of the screw rod is connected with a first bottom cover through a bearing; a motor mounting rack is further sleeved on the first coupler between the screw rod and the first motor; the screw nut is meshed with the screw; one end of the connecting rod is connected with the other end of the supporting rod, and the other end of the connecting rod is connected with the outer wall of the screw nut; a cylinder is arranged between the motor mounting frame and the first bottom cover; the axial rotation transmission mechanism comprises a second motor, a second coupler and a rolling connecting shaft; one end of the rolling connecting shaft is connected with a second motor through a second coupler, and the other end of the rolling connecting shaft is fixedly connected with a first bottom cover; the first motor, the motor mounting frame, the first coupler, the lead screw nut, the first bottom cover, the rolling connecting shaft, the second coupler and the second motor are coaxially mounted;
the middle wheel leg mechanism of the walking driving module comprises a driving wheel, an auxiliary wheel, a disc gear, a belt, a first wheel leg sliding rod, a second wheel leg sliding rod, a sliding rod fixing block, a connecting sliding block, a sliding block supporting rod, a supporting rod fixing block, a first wheel shaft and a first gear shaft; the first wheel shaft is sequentially sleeved with a first wheel leg sliding rod, a driving wheel, an auxiliary wheel and a second wheel leg sliding rod; the first gear shaft is sequentially sleeved with a sliding rod fixing block, a first wheel leg sliding rod, a disc gear and a second wheel leg sliding rod; the first wheel leg sliding rod and the second wheel leg sliding rod are sleeved with connecting sliding blocks; one end of the sliding block supporting rod is connected with the connecting sliding block, and the other end of the sliding block supporting rod is connected with the supporting rod fixing block; the wheel leg transmission mechanism comprises a third motor, a third coupler, a wheel leg connecting shaft, a disc large bevel gear, a middle bevel gear, a small bevel gear, a gear fixing block and a second gear shaft; the output end of the third motor is connected with one end of a third coupling, the other end of the third coupling is connected with one end of a wheel leg connecting shaft, and the other end of the wheel leg connecting shaft is connected with the disc large bevel gear; a gear fixing block is arranged on the second bottom cover, a second gear shaft is arranged on the gear fixing block, and a middle bevel gear and a small bevel gear are respectively arranged at two ends of the gear shaft; the small bevel gear is meshed with the disc gear; the middle bevel gear is meshed with the disc large bevel gear; the third motor, the third coupler, the wheel leg connecting shaft and the disc large bevel gear are coaxially arranged;
the supporting and positioning mechanism in the supporting and positioning module comprises a fourth motor, 2 supporting racks and a straight gear; a fourth motor is installed on one side of the circular supporting disk, and a straight gear is installed on the other side of the circular supporting disk; the straight gear is connected with the output end of the fourth motor; the round supporting disk provided with the side of the straight gear wheel is connected with the round bottom cover; 2 supporting racks are arranged between the circular supporting disk and the circular bottom cover, and the 2 supporting racks are meshed and connected with the straight gear; the rolling mechanism comprises a sliding rod fixing block, a sliding rod, an adjusting sliding block, a roller, a sliding block connecting rod and a connecting rod fixing block; a slide bar mounting table is integrally mounted on the slide bar fixing block, a first fixing mounting hole is formed in the slide bar fixing block, and a first mounting through hole is formed in the slide bar mounting table; two ends of the sliding rod are respectively provided with a second mounting through hole; the first mounting through hole on the slide bar mounting table is connected with the second mounting through hole at one end of the slide bar through a pin; the second mounting through hole at the other end of the sliding rod is respectively connected with 2 rollers through roller shafts; the adjusting slide block is integrally provided with a slide block connecting rod mounting table, and the side surface of the adjusting slide block is provided with a slide rod mounting square hole so that the adjusting slide block can be adjusted to be positioned on the slide rod; the front surface of the adjusting slide block is provided with an adjusting slide block positioning hole which is communicated with the slide rod mounting square hole; a third mounting through hole is formed in the slider connecting rod mounting table; a set screw is screwed into the adjusting slide block positioning hole, so that the position of the adjusting slide block on the slide rod can be fixed; the two ends of the sliding block connecting rod are provided with fourth mounting through holes; the connecting rod fixing block is integrally provided with a connecting rod mounting table; a second fixed mounting hole is formed in the connecting rod fixing block, and a fifth mounting through hole is formed in the connecting rod mounting table; the fourth mounting through hole at one end of the slide block connecting rod is connected with the third mounting through hole of the adjusting slide block through a pin; and the fifth mounting through hole on the connecting rod mounting table is connected with the fourth mounting through hole at the other end of the sliding block connecting rod through a pin.
A deep groove ball bearing mounting hole is formed in one end of the supporting rod, and a deep groove ball bearing is mounted in the deep groove ball bearing mounting hole; a first roller is arranged on the deep groove ball bearing positioned at one side of the supporting rod, and a second roller is arranged on the deep groove ball bearing positioned at the other side of the supporting rod; the second roller is fixedly connected with the first roller through a roller screw and a roller nut;
a support rod limiting platform is further arranged on the support rod below the deep groove ball bearing mounting hole and used for preventing the roller train from contacting the cylinder body and the first bottom cover, a switching connecting platform is arranged on the side face of the other end of the support rod, a sixth mounting through hole is formed in the switching connecting platform, and the switching connecting platform is connected with the connecting rod through the sixth mounting through hole; the side surface of the supporting rod is provided with a T-shaped groove;
the first roller is a roller with one surface being a curved surface and the other surface being a plane; the first roller is provided with a deep groove ball bearing mounting hole and a first ring groove for mounting the deep groove ball bearing on the upper plane side, a screw mounting through hole is formed in the middle of the upper plane side of the first roller, a shaft surface matched with an inner hole of the deep groove ball bearing is formed on the first roller at the periphery of the screw mounting through hole, and a stepped shaft shoulder is formed on the first roller at the bottom of the shaft surface; a first concave table is arranged in the middle of the curved surface of the first roller on the curved surface side of the first roller, and the first concave table is communicated with the center of the screw mounting through hole;
the second roller is also a roller with one surface being a curved surface and the other surface being a plane; the upper plane side of the second roller is provided with a shaft surface mounting concave platform matched with the shaft surface of the first roller for use; a nut mounting through hole is formed in the middle of the upper plane side of the second roller, a deep groove ball bearing mounting hole and a second ring groove for mounting a deep groove ball bearing are formed in the periphery of the shaft surface mounting concave table, and a bearing positioning boss matched with a stepped shaft shoulder on the first roller is formed between the second ring groove and the shaft surface mounting concave table; a second concave table is arranged in the middle of the curved surface of the second roller on the curved surface side of the second roller, and the second concave table, the nut mounting through hole, the axial surface mounting concave table, the second ring groove and the bearing positioning boss are communicated in center;
the shaft shoulder of the first roller and the bearing positioning boss of the second roller axially position the deep groove ball bearing; the first ring groove and the second ring groove are arranged in the support rod and the deep groove ball bearing in a way of avoiding influencing the movement of the deep groove ball bearing; the first concave station of the first roller and the second concave station of the second roller are used for mounting screws and nuts, and the screws and the nuts are ensured to be in the first roller curved surface of the first roller and the second roller curved surface of the second roller, so that the forming quality of the metal corrugated pipe in the rolling forming process is not influenced;
the curved surface shapes of the first roller curved surface and the second roller curved surface are consistent with the shape of the corrugation required to be formed by rolling; can be individually replaced in pairs according to different corrugated shapes.
The screw comprises a first screw shaft section, a screw thread section and a second screw shaft section which are integrally formed; the screw nut is characterized in that connecting blocks which are equal in number and correspond to the connecting rods in position are mounted on the hollow outer side of the screw nut, connecting block mounting holes are formed in the connecting blocks, and screw nut internal threads are formed in the hollow inner side of the screw nut; the internal thread of the screw nut is meshed and connected with the screw thread section of the screw; the two ends of the connecting rod are integrally provided with connecting rod connecting platforms, and the side surfaces of the connecting platforms are provided with connecting platform mounting through holes; the connecting rod connecting platform at one end of the connecting rod is connected with the shaft mounting through hole of the connecting platform on the supporting rod through a connecting platform mounting through hole by a pin, and the connecting rod connecting platform at the other end of the connecting rod is connected with the connecting block mounting hole of the connecting block on the screw nut through the connecting platform mounting through hole by the pin;
a second screw shaft section of the screw is arranged in the first coupler; a screw hole is formed in the center of the first bottom cover, and a first screw shaft section of a screw is mounted in the screw hole of the first bottom cover through a bearing; the first bottom cover is also uniformly provided with 6T-shaped guide rails, and the T-shaped guide rails of the first bottom cover are movably provided with T-shaped grooves of the supporting rods; 6 first bottom cover mounting platforms are uniformly arranged on the circumferential edge of one side of the first bottom cover, which is provided with the T-shaped guide rails, and the distribution positions of the first bottom cover mounting platforms are the circumferential edges of the first bottom covers among every 2T-shaped guide rails; a first bottom cover mounting platform mounting hole is formed in the first bottom cover mounting platform; a first bottom cover fixing block is integrally installed on the other side of the first bottom cover, a first bottom cover connecting hole and a fastening hole for fixing the first bottom cover and the rolling connecting shaft are formed in the first bottom cover fixing block, and the first bottom cover connecting hole is communicated with the fastening hole; a rolling connecting shaft is arranged in the first bottom cover connecting hole, and a set screw is arranged in the set hole to ensure that the rolling connecting shaft is fixedly connected with the first bottom cover;
the bearing cover is evenly provided with 4 bearing cover fixing platforms, the bearing cover fixing platforms are provided with end cover fixing and mounting through holes, and the middle of the bearing cover is provided with a connecting shaft section mounting through hole.
4 end cover connecting platforms are uniformly arranged on the frustum-shaped end cover, and end cover fixing mounting holes are formed in the end cover connecting platforms; a bearing mounting platform is arranged in the middle of the frustum-shaped end cover, and a bearing fixing mounting hole is formed in the bearing mounting platform; a bearing is arranged in the bearing mounting platform; a bearing cover fixing and mounting hole is formed in the bearing mounting platform; a bearing is arranged in the bearing mounting platform, and a bearing cover fixing mounting hole of the frustum-shaped end cover is fixedly connected with the bearing cover; 4 bearing cover fixing platforms are uniformly arranged on the bearing cover, end cover fixing mounting through holes are formed in the bearing cover fixing platforms, and connecting shaft section mounting through holes are formed in the middle of the bearing cover; the bearing cover fixing mounting hole of the frustum-shaped end cover is fixedly connected with the end cover fixing mounting through hole of the bearing cover through a screw, and an outer ring of a bearing in the bearing mounting platform is fixed;
the motor mounting frame comprises a square motor mounting platform, and four corners of the square motor mounting platform are connected with the annular mounting ring through supporting rods; a first coupling mounting through hole is formed in the middle of the square motor mounting platform; the square motor mounting platform is also provided with a first motor mounting hole, and the first motor is fixedly connected with the square motor mounting platform through a nut bolt by utilizing the first motor mounting hole; 4 cylinder mounting platforms are uniformly arranged on the annular mounting ring, and cylinder mounting holes are formed in the cylinder mounting platforms; 4 frustum-shaped end cover installation abdicating grooves are uniformly distributed on the circular ring-shaped installation ring, and the cylinder installation platform and the frustum-shaped end cover installation abdicating grooves are distributed at intervals; a frustum-shaped end cover is arranged between the periphery of the first motor and the motor mounting frame;
one end of the cylinder body is uniformly provided with 8 combined mounting platforms, and the combined mounting platforms are provided with combined mounting holes; in 8 combined mounting platforms of the cylinder, combined mounting holes on the combined mounting platforms which are distributed at intervals of 1 are fixedly connected with cylinder mounting holes on 4 cylinder mounting platforms of the motor mounting rack through bolts and nuts respectively; except 4 combined mounting platforms which are connected with the motor mounting frame 15, the other 4 combined mounting platforms are fixedly connected with end cover fixing mounting holes on 4 end cover connecting platforms of the frustum-shaped end cover through bolts and nuts respectively; 6 barrel mounting platforms are installed to barrel other end equipartition, and per 2 still the equipartition installs the bracing piece groove of stepping down between the barrel mounting platform.
A small belt pulley is coaxially and integrally formed on the driving wheel, and a first shaft mounting through hole is formed in the coaxial central position of the driving wheel and the small belt pulley; a large belt wheel is coaxially and integrally formed on the disc gear, and a second shaft mounting through hole is formed in the coaxial central position of the disc gear and the large belt wheel; a belt is arranged between the small belt wheel on the driving wheel and the large belt wheel on the disc gear; third shaft mounting through holes are respectively formed in the two ends of the first wheel leg sliding rod and the second wheel leg sliding rod; a seventh mounting through hole and a third fixed mounting through hole are formed in the sliding rod fixing block; the connecting sliding block is a sliding block with a round shaft section at the middle section and square holes for connecting the sliding blocks at two ends; the square holes of the connecting sliding block at the two ends of the connecting sliding block are respectively arranged on the first wheel leg sliding rod and the second wheel leg sliding rod; supporting rod mounting holes are formed in two ends of the sliding block supporting rod, and mounting notches are formed in the supporting rod mounting holes in one end; a fourth fixed mounting hole and an eighth mounting through hole are formed in the supporting rod fixing block; one end of the sliding block supporting rod is arranged on the circular shaft section of the connecting sliding block through an installation notch, and a supporting rod installation hole at the other end of the sliding block supporting rod is connected with an eighth installation through hole in the supporting rod fixing block through a pin;
the wheel leg connecting shaft comprises a first connecting shaft section and a second connecting shaft section, and a first key groove is formed in the second connecting shaft section; a third shaft mounting through hole is formed in the center of the disc large bevel gear, and a second key groove is formed in the edge of the third shaft mounting through hole; a second connecting shaft section of the wheel leg connecting shaft is provided with a disc large bevel gear, and a first key groove of the wheel leg connecting shaft is connected with a second key groove of the disc large bevel gear through a key; the first connecting shaft section of the wheel leg connecting shaft is connected with the other end of the third coupling device; a fourth shaft mounting through hole and a gear fixing block mounting hole are formed in the gear fixing block, and a second gear shaft is mounted in the fourth shaft mounting through hole;
a gear fixing block mounting through hole, a slide bar fixing block mounting through hole and a box body mounting through hole are formed in one side of the second bottom cover, a second bottom cover connecting shoulder is further arranged in the middle of the other side of the second bottom cover, and a second bottom cover connecting shaft section is arranged in the center of the second bottom cover connecting shoulder; the gear fixing block mounting through hole on the second bottom cover is fixedly connected with the gear fixing block mounting hole of the gear fixing block through a screw; the slide bar fixing block mounting through hole on the second bottom cover is fixedly connected with a third fixed mounting through hole of the slide bar fixing block through a screw; a second bottom cover connecting shaft section of the second bottom cover penetrates through a connecting shaft section mounting through hole of the bearing cover and then is mounted in a bearing inner hole in a bearing mounting platform of the frustum-shaped end cover, and the second bottom cover connecting shaft section is connected with a bearing inner ring in the bearing mounting platform through a key;
the second bottom cover is fixedly connected with the bottom of the box body; a supporting rod fixing block mounting platform and a second bottom cover mounting platform are mounted on the side wall surface of the box body; a third motor mounting hole is formed in the box body, a supporting rod fixing block mounting through hole is formed in the supporting rod fixing block mounting platform, and a second bottom cover mounting through hole is formed in the second bottom cover mounting platform; the box body is also provided with a abdicating groove which is abdicating the wheel leg mechanism to expose the wheel leg mechanism; the supporting rod fixing block mounting platform of the box body is fixedly connected with a fourth fixing mounting hole of the supporting rod fixing block through a supporting rod fixing block mounting through hole by a screw; the bottom cover mounting platform on the box body is fixedly connected with the box body mounting hole on the second bottom cover through a bottom cover mounting hole through a screw; and the third motor mounting hole on the box body is connected with the third motor shell through a screw.
The supporting rack is provided with straight teeth, and the back of the straight teeth on the supporting rack is provided with a rectangular sliding block; the top of 1 supporting rack is provided with a semicircular limiting block, and the bottom of the other 1 supporting rack is provided with a semicircular limiting block; the semicircular limiting block is provided with a semicircular supporting block, and rubber points are arranged at two end points of the semicircular supporting block; the straight teeth are meshed with the straight gear; the rubber points are used for increasing friction when the rubber points are in contact with the pipe, so that better positioning is realized; the semicircular limiting block is used for limiting the movement range of the supporting rack;
a sliding rod fixing block mounting platform, a connecting rod fixing block mounting platform and a round bottom cover mounting platform are integrally mounted on the side wall surface of the cylindrical box body; a sliding rod fixing block mounting hole is formed in the sliding rod fixing block mounting platform, a connecting rod fixing block mounting hole is formed in the connecting rod fixing block mounting platform, and a circular bottom cover mounting through hole is formed in the circular bottom cover mounting platform; a second coupler mounting through hole and a second motor fixing mounting hole are formed in the end part of the cylindrical box body; a second coupler at the end of the axial rotation transmission mechanism connected with the second motor penetrates through the second coupler mounting through hole and then fixedly connects the shell of the second motor with a second motor fixing mounting hole on the inner wall surface of the cylindrical box body through a screw; the slide bar fixed block mounting hole of the slide bar fixed block mounting platform is fixedly connected with the first fixed mounting hole of the slide bar fixed block through a screw; the connecting rod fixing block mounting hole of the connecting rod fixing block mounting platform is fixedly connected with the second fixing mounting hole of the connecting rod fixing block through a screw;
2L-shaped sliding grooves are arranged on the circular bottom cover, 2 abdicating grooves for exposing the supporting racks are arranged at the circular edge position on the circumference of the circular bottom cover, a supporting disk mounting table is integrally formed at the circular edge position on the circumference of the circular bottom cover, and a supporting disk fixing hole is arranged on the supporting disk mounting table; the rectangular sliding block on the supporting rack is matched with the L-shaped sliding groove on the round bottom cover;
a fourth motor output end mounting through hole is formed in the center of the circular supporting plate, and a fourth motor fixing hole is formed in the circular supporting plate; the output end of the fourth motor penetrates through the motor output end mounting through hole of the circular support plate and then the fourth motor shell is fixedly connected with the fourth motor fixing hole of the circular support plate through a screw; a circular bottom cover mounting table is integrally mounted on the circumference of the circular supporting disc, and a circular bottom cover mounting hole is formed in the circular bottom cover mounting table; and a circular ring shoulder clamped with the circular edge of the circular bottom cover for use is further installed on the circular supporting disk.
The invention has the following beneficial effects:
(1) the invention provides a movable metal round pipe rolling incremental forming device based on an incremental forming technology, wherein a roller is in rolling contact with a pipe, and the friction force is small; the pipe is simultaneously rolled and formed by a plurality of pairs of roller groups, so that the pipe is uniformly stressed and has good forming quality; the curved surface shape of the roller is consistent with the waveform of the corrugated pipe required to be rolled, the roller can be independently replaced according to different corrugated shapes, the operation is simple, and the universality is high.
(2) In the radial spreading transmission mechanism, a first motor drives a first coupler to rotate so as to drive a lead screw to rotate; the screw rod and the screw rod nut are in threaded transmission, so that the rotary motion of the screw rod is converted into the movement of the screw rod nut; the lead screw nut moves to drive the connecting rod to radially extend out, so that the supporting rod is pushed to slide on the T-shaped guide rail of the round bottom cover, and the roller group is radially pushed out; meanwhile, the second motor drives the second coupler to rotate to drive the rolling connecting shaft to rotate together with the second bottom cover, so that the roller mechanism rotates axially and pushes out radially at the same time, and finally the rolling incremental forming of the metal circular tube is realized.
(3) In the wheel leg transmission mechanism, a third motor drives a second coupler to rotate and transmits the rotation to the disc large bevel gear through a connecting shaft; the large bevel gear and the middle bevel gear of the disc are in gear transmission, and power is transmitted to the small bevel gear which is coaxially arranged; the bevel pinion and the circular disk gear are in gear transmission and synchronously transmitted to a large belt wheel which is coaxially arranged; big band pulley and little band pulley pass through the belt and connect, through belt drive, with power transmission to action wheel, are equipped with the auxiliary wheel again, finally realize the removal of action wheel in pipeline inside, structural design is ingenious, reliable and stable.
(4) In the supporting and positioning mechanism, a fourth motor drives a straight gear to rotate, the straight gear and two supporting rack gears and racks are in transmission, the supporting racks are driven to be unfolded and positioned, and contracted and reset on the L-shaped sliding grooves in the circular bottom cover, and the structure is stable and reliable. And the supporting block of the supporting rack is provided with rubber points, so that the friction between the supporting block and the pipe can be increased, and the supporting rack can be better positioned.
(5) The connecting sliding block can slide on the first wheel leg sliding rod and the second wheel leg sliding rod, so that the position on the connecting sliding block leg sliding rod is realized, the spreading angle of the wheel leg mechanism is adjusted, the device is suitable for different inner diameters of pipelines, and the universality is high. The unfolding angle of the crawling mechanism is adjusted by adjusting the position of the adjusting slide block on the slide rod, and the crawling mechanism is reliable in structure.
In conclusion, the invention can roll-form the corrugated pipe or the bulging pipe with high corrugation height and narrow corrugation width, and has high modularization degree, strong universality and stable and reliable structure.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the roll-forming module of FIG. 1;
FIG. 3 is an enlarged schematic view of the roller mechanism and the radial expanding transmission mechanism in FIG. 2;
FIG. 4 is an enlarged schematic view of the axial rotation transmission mechanism of FIG. 2;
FIG. 5 is an enlarged cross-sectional view of the roller mechanism of FIG. 2;
FIG. 6 is an enlarged schematic view of the support rod of FIG. 3;
FIG. 7 is an enlarged rear view of FIG. 6;
FIG. 8 is an enlarged sectional view of the first roller of FIG. 5;
FIG. 9 is an enlarged sectional view of the second roller of FIG. 5;
FIG. 10 is an enlarged schematic view of the lead screw of FIG. 3;
FIG. 11 is an enlarged schematic view of the screw nut of FIG. 3;
FIG. 12 is an enlarged schematic view of the connecting rod of FIG. 3;
fig. 13 is an enlarged schematic structural view of the first bottom cover in fig. 3;
FIG. 14 is an enlarged rear view of FIG. 13;
FIG. 15 is an enlarged schematic view of the frustoconical end cap of FIG. 2;
FIG. 16 is an enlarged schematic view of the bearing cap of FIG. 2;
FIG. 17 is an enlarged schematic view of the motor mount of FIG. 3;
FIG. 18 is an enlarged schematic view of the cartridge of FIG. 2;
FIG. 19 is an enlarged schematic view of the travel drive module of FIG. 1;
FIG. 20 is an enlarged schematic view of the leg mechanism of FIG. 19;
FIG. 21 is an enlarged schematic view of the leg drive mechanism of FIG. 19;
FIG. 22 is an enlarged structural cross-sectional view of the drive wheel of FIG. 20;
FIG. 23 is an enlarged sectional view of the disk gear of FIG. 20;
FIG. 24 is an enlarged schematic view of the connecting block of FIG. 20;
FIG. 25 is an enlarged schematic view of the slider support bar of FIG. 20;
FIG. 26 is an enlarged schematic view of the wheel-leg connecting shaft of FIG. 20;
FIG. 27 is an enlarged sectional view of the large disc bevel gear of FIG. 21;
FIG. 28 is an enlarged schematic view of the gear mounting block of FIG. 21;
fig. 29 is an enlarged structural view of the second bottom cover in fig. 19;
FIG. 30 is an enlarged view of the second bottom cover of FIG. 19;
FIG. 31 is an enlarged schematic view of the housing of FIG. 19;
FIG. 32 is an enlarged schematic view of the support and positioning module of FIG. 1;
FIG. 33 is an enlarged schematic view of the support positioning mechanism of FIG. 32;
FIG. 34 is an enlarged schematic view of the rolling mechanism of FIG. 32;
FIG. 35 is an enlarged schematic view of the adjustment block of FIG. 34;
FIG. 36 is an enlarged view of the slide bar of FIG. 34
FIG. 37 is an enlarged schematic view of the link fixing block of FIG. 34;
FIG. 38 is an enlarged schematic view of the cylindrical housing of FIG. 32;
FIG. 39 is an enlarged view of the circular bottom cover of FIG. 32;
fig. 40 is an enlarged view of the circular support plate of fig. 32.
Detailed Description
The movable metal round tube rolling incremental forming device of the embodiment, as shown in fig. 1-40, includes a rolling forming module 1, a traveling driving module 2 and a supporting and positioning module 3; the roll forming module 1 comprises a roller mechanism 11, a radial expanding transmission mechanism 12, an axial rotation transmission mechanism 13, a frustum-shaped end cover 14, a motor mounting frame 15, a cylinder 16 and a first bottom cover 17; the walking driving module 2 comprises a wheel leg mechanism 21, a wheel leg transmission mechanism 22, a box body 23 and a second bottom cover 24; the supporting and positioning module 3 comprises a supporting and positioning mechanism 31, a rolling mechanism 32, a cylindrical box body 33, a circular supporting plate 34 and a circular bottom cover 35; a walking driving module 2 is installed on one side of the rolling forming module 1, and a supporting and positioning module 3 is installed on the other side of the rolling forming module 1;
the roller mechanism 11 in the roll forming module 1 comprises 6 roller groups consisting of a first roller 111 and a second roller 112 and 6 support rods 113; 6 support rods 113 are uniformly arranged on the first bottom cover 17, 1 group of roller groups are respectively arranged at one end of each of the 6 support rods 113, and the roller groups are positioned at the outer side of the circular first bottom cover 17; the radial expanding transmission mechanism 12 comprises a first motor 121, a first coupler 122, a lead screw 123, a lead screw nut 124 and 6 connecting rods 125; a first motor 121 is fixedly mounted on the motor mounting bracket 15, an output end of the first motor 121 is connected with one end of a screw 123 through a first coupler 122, and the other end of the screw 123 is connected with a first bottom cover 17 through a bearing; a motor mounting frame 15 is further sleeved on the first coupling 122 between the screw 123 and the first motor 121; the lead screw nut 124 is meshed with the lead screw 123; one end of the connecting rod 125 is connected with the other end of the supporting rod 113, and the other end of the connecting rod 125 is connected with the outer wall of the screw nut 24; a cylinder 16 is arranged between the motor mounting frame 15 and the first bottom cover 17; the axial rotation transmission mechanism 13 includes a second motor 131, a second coupling 132, and a rolling connection shaft 133; one end of the rolling connecting shaft 133 is connected with the second motor 131 through a second coupling 132, and the other end of the rolling connecting shaft 133 is fixedly connected with the first bottom cover 17; the first motor 121, the motor mounting frame 15, the first coupler 122, the lead screw 123, the lead screw nut 124, the first bottom cover 17, the rolling connecting shaft 33, the second coupler 32 and the second motor 31 are coaxially mounted;
the wheel leg mechanism 21 in the walking driving module 2 comprises a driving wheel 211, an auxiliary wheel 212, a disc gear 213, a belt 214, a first wheel leg sliding rod 215, a second wheel leg sliding rod 216, a sliding rod fixing block 217, a connecting sliding block 218, a sliding block supporting rod 219, a supporting rod fixing block 210, a first wheel shaft 2110 and a first wheel shaft 2130; the first wheel shaft 2110 is sleeved with a first wheel leg sliding rod 215, a driving wheel 211, an auxiliary wheel 212 and a second wheel leg sliding rod 216 in sequence; the first gear shaft 2130 is sequentially sleeved with a sliding rod fixing block 217, a first wheel leg sliding rod 215, a disc gear 213 and a second wheel leg sliding rod 216; the first wheel leg sliding rod 215 and the second wheel leg rod 216 are sleeved with connecting sliding blocks 218; one end of the slider support rod 219 is connected with the connecting slider 218, and the other end of the slider support rod 219 is connected with the support rod fixing block 210; the wheel leg transmission mechanism 22 comprises a third motor 221, a third shaft coupler 222, a wheel leg connecting shaft 223, a disc large bevel gear 224, a middle bevel gear 225, a small bevel gear 226, a gear fixing block 227 and a second gear shaft 228; the output end of the third motor 221 is connected with one end of a third coupling 222, the other end of the third coupling 222 is connected with one end of a wheel leg connecting shaft 223, and the other end of the wheel leg connecting shaft 223 is connected with a disc bevel gear 224; a gear fixing block 227 is mounted on the second bottom cover 24, a second gear shaft 228 is mounted on the gear fixing block 227, and a middle bevel gear 225 and a small bevel gear 226 are respectively mounted at two ends of the gear shaft 228; the small bevel gear 226 is meshed with the disc gear 213; the middle bevel gear 225 is meshed with the disc large bevel gear 224; the third motor 221, the third shaft coupler 222, the wheel leg connecting shaft 223 and the disc large bevel gear 224 are coaxially arranged;
the supporting and positioning mechanism 31 in the supporting and positioning module 3 comprises a fourth motor 311, 2 supporting racks 312 and a spur gear 313; a fourth motor 311 is installed on one side of the circular support disc 34, and a spur gear 313 is installed on the other side of the circular support disc 34; the output end of the straight gear 313 is connected with the output end of the fourth motor 311; the circular support disc 34 provided with the straight gear 313 side is connected with a circular bottom cover 35; 2 supporting racks 312 are arranged between the circular supporting disk 34 and the circular bottom cover 35, and the 2 supporting racks 312 are meshed with the straight gear 313; the rolling mechanism 32 comprises a slide bar fixing block 321, a slide bar 322, an adjusting slide block 323, a roller 324, a slide block connecting rod 325 and a connecting rod fixing block 326; a slide bar mounting table 3212 is integrally mounted on the slide bar fixing block 321, a first fixing mounting hole 3211 is formed in the slide bar fixing block 321, and a first mounting through hole 3213 is formed in the slide bar mounting table 3212; two ends of the sliding rod 322 are respectively provided with a second mounting through hole 3221; a first mounting through hole 3213 on the slide bar mounting stage 3212 is connected with a second mounting through hole 3221 at one end of the slide bar 322 by a pin; the second mounting through holes 3221 at the other end of the sliding rod 322 are respectively connected with 2 rollers 324 through roller shafts; a slider connecting rod mounting table 3231 is integrally mounted on the adjusting slider 323, and a sliding rod mounting square hole 3233 is formed in the side surface of the adjusting slider 323, so that the adjusting slider 323 can be adjusted on the sliding rod 322; an adjusting slide block positioning hole 3234 is formed in the front face of the adjusting slide block 323, and the adjusting slide block positioning hole 3234 is communicated with a slide rod mounting square hole 3233; a third mounting through hole 3232 is formed in the slider connecting rod mounting table 3231; a set screw 327 is screwed into the adjusting slide block positioning hole 3234, so that the position of the adjusting slide block 323 on the slide rod 322 can be fixed; both ends of the slide block connecting rod 325 are provided with fourth mounting through holes 3251; the connecting rod fixing block 326 is integrally provided with a connecting rod mounting table 3262; a second fixed mounting hole 3261 is formed in the connecting rod fixing block 326, and a fifth mounting through hole 3263 is formed in the connecting rod mounting table 3262; the fourth mounting through hole 3251 of one end of the slider link 325 and the third mounting through hole 3232 of the adjustment slider 323 are connected by a pin; the fifth installation through hole 3263 of the link installation stage 3262 and the fourth installation through hole 3251 of the other end of the slider link 325 are connected by a pin.
A deep groove ball bearing mounting hole 1131 is formed in one end of the support rod 113, and a deep groove ball bearing 114 is mounted in the deep groove ball bearing mounting hole 1131; a first roller 111 is arranged on the deep groove ball bearing 114 positioned at one side of the support rod 113, and a second roller 112 is arranged on the deep groove ball bearing 114 positioned at the other side of the support rod 113; the second roller 112 is fixedly connected with the first roller 111 through a roller screw 115 and a roller nut 116;
a support rod limiting platform 1132 is further arranged on the support rod 113 below the deep groove ball bearing mounting hole 1131 to prevent the roller set from contacting the cylinder 16 and the first bottom cover 17, a switching connecting platform 1133 is arranged on the side surface of the other end of the support rod 113, a sixth mounting through hole 1134 is arranged on the switching connecting platform 1133, and the switching connecting platform 1133 is connected with the connecting rod 125 through the sixth mounting through hole 1134; a T-shaped groove 1135 is formed in the side surface of the support rod 113;
the first roller 111 is a roller with one surface being a curved surface and the other surface being a plane; a deep groove ball bearing mounting hole 1131 and a first annular groove 1113 for mounting the deep groove ball bearing 114 are formed in the upper plane side of the first roller 111, a screw mounting through hole 1116 is formed in the middle position of the upper plane side of the first roller 111, a shaft surface 1111 matched with an inner hole of the deep groove ball bearing 114 is formed in the first roller 111 at the periphery of the screw mounting through hole 1116, and a stepped shaft shoulder 1112 is formed in the first roller 111 at the bottom of the shaft surface 1111; a first concave table 1114 is arranged in the middle of the first roller curved surface 1115 on the upper curved surface side of the first roller 111, and the first concave table 1114 is communicated with the center position of the screw mounting through hole 1116;
the second roller 112 is also a roller with one curved surface and one flat surface; an axial surface mounting concave platform 1121 used by matching with the axial surface 1111 on the first roller 111 is formed on the upper plane side of the second roller 112; a nut mounting through hole 1126 is formed in the middle of the upper plane side of the second roller 112, a deep groove ball bearing mounting hole 1131 and a second annular groove 1123 for mounting a deep groove ball bearing 114 are formed in the periphery of the shaft surface mounting concave platform 1121, and a bearing positioning boss 1122 matched with the stepped shaft shoulder 112 on the first roller 111 is formed between the second annular groove 1123 and the shaft surface mounting concave platform 1121; a second concave platform 1124 is arranged in the middle of a second roller curved surface 1125 on the upper curved surface side of the second roller 112, and the second concave platform 1124, a screw nut mounting through hole 1126, an axial surface mounting concave platform 1121, a second ring groove 1123 and a bearing positioning convex platform 1122 are communicated in the center;
the shaft shoulder 1112 of the first roller 111 and the bearing positioning boss 1122 of the second roller 112 axially position the deep groove ball bearing 114; the first ring groove 1113 and the second ring groove 1123 are arranged in the support rod 113 and the deep groove ball bearing 114 in a way of avoiding influencing the movement of the deep groove ball bearing 114; the first concave base 1114 of the first roller 111 and the second concave base 1124 of the second roller 112 are used for installing the screw 115 and the nut 116, and the screw 115 and the nut 116 are ensured to be in the first roller curved surface 1115 of the first roller 111 and the second roller curved surface 1125 of the second roller 112, so that the forming quality of the roll forming of the metal corrugated pipe is not influenced;
the curved surface shapes of the first roller curved surface 1115 and the second roller curved surface 1125 are consistent with the shape of the corrugation required to be formed by rolling; can be individually replaced in pairs according to different corrugated shapes.
The lead screw 123 comprises a first lead screw shaft section 1231, a lead screw thread section 1232 and a second lead screw shaft section 1233 which are integrally formed; the screw nut 124 is a hollow outer side provided with connecting blocks 1241 which are equal in number and corresponding in position to the connecting rods 125, the connecting blocks 1241 are provided with connecting block mounting holes 1242, and the hollow inner side of the screw nut 124 is provided with screw nut internal threads 1243; the lead screw nut internal thread 1243 is meshed with a lead screw thread section 1232 of the lead screw 123; a connecting rod connecting platform 1251 is integrally formed at two ends of the connecting rod 125, and a connecting platform mounting through hole 1252 is formed in the side surface of the connecting platform 1251; the connecting rod connecting platform 1251 at one end of the connecting rod 125 is connected with the shaft mounting through hole 1134 of the connecting platform 1133 on the supporting rod 113 by a pin through the connecting platform mounting through hole 1252, and the connecting rod connecting platform 1251 at the other end of the connecting rod 125 is connected with the connecting block mounting hole 1242 of the connecting block 1241 on the screw nut 124 by a pin through the connecting platform mounting through hole 1252;
a second screw shaft section 1233 of the screw 123 is installed in the first coupling 122; a screw hole 171 is formed in the center of the first bottom cover 17, and a first lead screw shaft section 1231 of the lead screw 123 is mounted in the screw hole 171 of the first bottom cover 17 through a bearing; the first bottom cover 17 is further uniformly provided with 6T-shaped guide rails 172, and the T-shaped guide rails 172 of the first bottom cover 17 are movably provided with T-shaped grooves 1135 of the support rods 113; 6 first bottom cover mounting platforms 173 are uniformly arranged on the circumferential edge of one side of the first bottom cover 17, which is provided with the T-shaped guide rails 172, and the first bottom cover mounting platforms 173 are distributed on the circumferential edge of the first bottom cover 17 between every 2T-shaped guide rails 172; a first bottom cover mounting platform mounting hole 177 is formed in the first bottom cover mounting platform 173; a first bottom cover fixing block 174 is integrally mounted on the other side of the first bottom cover 17, a first bottom cover connecting hole 175 and a fastening hole 176 for fixing the first bottom cover 17 and the rolling connecting shaft 133 are formed in the first bottom cover fixing block 174, and the first bottom cover connecting hole 175 is communicated with the fastening hole 176; the rolling connecting shaft 133 is installed in the first bottom cover connecting hole 175, and a set screw is installed in the set hole 176 so that the rolling connecting shaft 133 is fixedly connected with the first bottom cover 17;
4 end cover connecting platforms 141 are uniformly arranged on the frustum-shaped end cover 14, and end cover fixing and mounting holes 142 are formed in the end cover connecting platforms 141; a bearing mounting platform 143 is arranged in the middle of the frustum-shaped end cover 14, and a bearing cover fixing mounting hole 144 is arranged on the bearing mounting platform 143; a bearing is arranged in the bearing mounting platform 143, and a bearing cover fixing mounting hole 144 of the frustum-shaped end cover 14 is fixedly connected with the bearing cover 18; 4 bearing cover fixing platforms 181 are uniformly installed on the bearing cover 18, end cover fixing installation through holes 182 are formed in the bearing cover fixing platforms 181, and a connecting shaft section installation through hole 183 is formed in the middle of the bearing cover 18; the bearing cap fixing mounting hole 144 of the frustum-shaped end cap 14 is fixedly connected with the end cap fixing mounting through hole 182 on the bearing cap 18 through a screw, and fixes the outer ring of the bearing in the bearing mounting platform.
The motor mounting frame 15 comprises a square motor mounting platform 151, and four corners of the square motor mounting platform 151 are connected with a circular ring mounting ring 153 through supporting rods 152; a first coupling mounting through hole 154 is formed in the middle of the square motor mounting platform 151; a first motor mounting hole 155 is further formed in the square motor mounting platform 151, and the first motor 121 is fixedly connected with the square motor mounting platform 151 through a nut bolt by using the first motor mounting hole 155; 4 cylinder mounting platforms 156 are uniformly arranged on the circular mounting ring 153, and cylinder mounting holes 157 are formed in the cylinder mounting platforms 156; 4 frustum-shaped end cover mounting abdicating grooves 158 are uniformly distributed on the circular ring-shaped mounting ring 153, and the cylinder mounting platform 156 and the frustum-shaped end cover mounting abdicating grooves 158 are distributed at intervals; a frustum-shaped end cover 14 is arranged between the periphery of the first motor 121 and the motor mounting frame 15;
one end of the cylinder 16 is uniformly provided with 8 combined mounting platforms 161, and the combined mounting platforms 161 are provided with combined mounting holes 164; in the 8 combined mounting platforms 161 of the cylinder 16, the combined mounting holes 164 on the combined mounting platforms 161, which are distributed at intervals of 1, are fixedly connected with the cylinder mounting holes 157 on the 4 cylinder mounting platforms 156 of the motor mounting rack 15 through bolts and nuts respectively; except 4 combined mounting platforms 161 of 8 of the cylinder 16 connected with the motor mounting frame 15, the other 4 combined mounting platforms 161 are fixedly connected with end cover fixing mounting holes 142 on 4 end cover connecting platforms 141 of the frustum-shaped end cover 14 through bolts and nuts respectively; 6 barrel mounting platforms 162 are installed to 16 other end equipartitions of barrel, and every 2 still the equipartition installs bracing piece groove 163 of stepping down between the barrel mounting platform 162.
A small belt pulley 2111 is coaxially and integrally formed on the driving wheel 211, and a first shaft mounting through hole 2112 is formed in the coaxial central position of the driving wheel 211 and the small belt pulley 2111; a large belt wheel 2131 is coaxially and integrally formed on the disc gear 213, and a second shaft mounting through hole 2132 is formed in the coaxial central position of the disc gear 213 and the large belt wheel 2131; a belt 214 is arranged between the small belt wheel 2111 on the driving wheel 211 and the large belt wheel 2131 on the disc gear 213; a third shaft mounting through hole 2151 is formed in each of two ends of the first wheel leg sliding rod 215 and the second wheel leg sliding rod 216; a seventh mounting through hole 2171 and a third fixing mounting through hole 2172 are formed in the slide bar fixing block 217; the connecting sliding block 218 is a sliding block with a circular shaft section 2182 at the middle section and square holes 2181 at two ends; the connecting slider square holes 2181 at the two ends of the connecting slider 218 are respectively installed on the first wheel leg sliding rod 215 and the second wheel leg sliding rod 216; two ends of the slide block supporting rod 219 are both provided with supporting rod mounting holes 2191, and the supporting rod mounting hole 2191 at one end is provided with a mounting notch 2192; a fourth fixed mounting hole 2101 and an eighth mounting through hole 2102 are formed in the supporting rod fixing block 210; one end of the slider support rod 219 is mounted on the circular shaft section 2182 of the connecting slider 218 through a mounting notch 2192, and a support rod mounting hole 2191 at the other end of the slider support rod 219 is connected with an eighth mounting through hole 2102 on the support rod fixing block 210 through a pin;
the wheel leg connecting shaft 223 comprises a first connecting shaft section 2231 and a second connecting shaft section 2232, and the second connecting shaft section 2232 is provided with a first key groove 2233; a third shaft mounting through hole 2241 is formed in the center of the disc large bevel gear 224, and a second key slot 2242 is formed in the edge of the third shaft mounting through hole 2241; a disc large bevel gear 224 is mounted on a second connecting shaft section 2232 of the wheel leg connecting shaft 223, and a first key groove 2233 of the wheel leg connecting shaft 223 is connected with a second key groove 2242 of the disc large bevel gear 224 through a key; the first connecting shaft section 2231 of the wheel leg connecting shaft 223 is connected with the other end of the third coupling 222; a fourth shaft mounting through hole 2271 and a gear fixing block mounting hole 2272 are formed in the gear fixing block 227, and a second gear shaft 228 is mounted in the fourth shaft mounting through hole 2271;
a gear fixing block mounting through hole 241, a slide bar fixing block mounting through hole 242 and a box body mounting through hole 243 are formed in one side of the second bottom cover 24, a second bottom cover connecting shoulder 244 is further installed in the middle of the other side of the second bottom cover 24, and a second bottom cover connecting shaft section 245 is installed in the center of the second bottom cover connecting shoulder 244; the gear fixing block mounting through hole 241 on the second bottom cover 24 is fixedly connected with a gear fixing block mounting hole 2272 of the gear fixing block 227 through a screw; the slide bar fixing block mounting through hole 242 on the second bottom cover 24 is fixedly connected with the third fixing mounting through hole 2172 of the slide bar fixing block 217 through a screw; the second bottom cover connecting shaft section 245 of the second bottom cover 24 passes through the connecting shaft section mounting through hole 183 of the bearing cover 18 and then is mounted in the bearing inner hole in the bearing mounting platform 143 of the frustum-shaped end cover 14, and the second bottom cover connecting shaft section 245 is connected with the bearing inner ring in the bearing mounting platform 143 through a key;
the second bottom cover 24 is fixedly connected with the bottom of the box body 23; a supporting rod fixing block mounting platform 2302 and a second bottom cover mounting platform 2304 are mounted on the side wall surface of the box body 23; a third motor mounting hole 2301 is formed in the box body 23, a supporting rod fixing block mounting through hole 2303 is formed in the supporting rod fixing block mounting platform 2302, and a second bottom cover mounting through hole 2305 is formed in the second bottom cover mounting platform 2304; the box body 23 is also provided with a yielding groove 2306 which leads the wheel leg mechanism 21 to be exposed outside; the supporting rod fixing block mounting platform 2302 of the box body 23 is fixedly connected with the fourth fixed mounting hole 2101 of the supporting rod fixing block 210 through a supporting rod fixing block mounting through hole 2303 by a screw; the bottom cover mounting platform 2304 on the box body 23 is fixedly connected with the box body mounting hole 243 on the second bottom cover 24 through a bottom cover mounting hole 2305 through a screw; the third motor mounting hole 2301 on the box 23 is connected with the housing of the third motor 221 through a screw.
A straight tooth 3121 is installed on the supporting rack 312, and a rectangular sliding block 3122 is installed on the back surface of the straight tooth 3121 on the supporting rack 312; a semicircular limiting block 3123 is installed at the top of one supporting rack 312, and a semicircular limiting block 3123 is installed at the bottom of the other supporting rack 312; a semicircular supporting block 3124 is installed on the semicircular limiting block 3123, and rubber points 3125 are installed at two end points of the semicircular supporting block 3124; the straight tooth 3121 is meshed with the straight gear 313; the rubber points 3125 are used to increase friction when in contact with the pipe, allowing better positioning; the semicircular limiting block 3123 is used for limiting the movement range of the support rack 12;
a slide bar fixed block mounting platform 331, a connecting rod fixed block mounting platform 333 and a circular bottom cover mounting platform 335 are integrally mounted on the side wall surface of the cylindrical box body 33; a slide bar fixing block mounting hole 332 is formed in the slide bar fixing block mounting platform 331, a connecting rod fixing block mounting hole 334 is formed in the connecting rod fixing block mounting platform 333, and a circular bottom cover mounting through hole 336 is formed in the circular bottom cover mounting platform 335; a second coupler mounting through hole 337 and a second motor fixing mounting hole 338 are formed in the end of the cylindrical box body 33; the second coupling 132 at the end of the axial rotation transmission mechanism 13 connected with the second motor 131 penetrates through the second coupling mounting through hole 337, and then the housing of the second motor 131 is fixedly connected with the second motor fixing mounting hole 338 on the inner wall surface of the cylindrical box 33 through a screw; the slide bar fixed block mounting hole 332 of the slide bar fixed block mounting platform 331 is fixedly connected with the first fixed mounting hole 3211 of the slide bar fixed block 321 through a screw; the connecting rod fixing block mounting hole 334 of the connecting rod fixing block mounting platform 333 is fixedly connected with the second fixing mounting hole 3261 of the connecting rod fixing block 326 through a screw;
2L-shaped sliding grooves 351 are mounted on the circular bottom cover 35, 2 abdicating grooves 353 for exposing the supporting rack 312 outside are formed in the circular edge 352 on the circumference of the circular bottom cover 35, a supporting plate mounting table 354 is integrally mounted at the circular edge 352 on the circumference of the circular bottom cover 35, and a supporting plate fixing hole 355 is formed in the supporting plate mounting table 354; the rectangular sliding block 3122 on the supporting rack 312 is matched with the L-shaped sliding groove 351 on the round bottom cover 35;
a fourth motor output end mounting through hole 341 is formed in the center of the circular support plate 34, and a fourth motor fixing hole 342 is further formed in the circular support plate 34; the output end of the fourth motor 311 penetrates through the motor output end mounting through hole 341 of the circular support plate 34, and then the shell of the fourth motor 311 is fixedly connected with the fourth motor fixing hole 342 of the circular support plate 34 through a screw; a circular bottom cover mounting table 343 is integrally mounted on the circumference of the circular support plate 34, and a circular bottom cover mounting hole 344 is formed in the circular bottom cover mounting table 343; the circular support plate 34 is further provided with a circular shoulder 345 for engaging with the circular edge 352 of the circular bottom cover 35.
When the device works, the angle of the rolling mechanism 32 in the supporting and positioning module 3 is firstly adjusted. The position of the adjusting slide block 323 on the slide bar 322 is adjusted, so that the spreading angle of the slide bar 322 is adjusted, the roller 324 just props up the inner diameter of the pipe, and then the tightening screw is screwed into the tightening screw mounting hole 327 for fixing.
Then, the third motor 221 in the walking driving module 2 is started to drive the second coupling 222 to rotate through the wheel leg connecting shaft 223, and power is transmitted to the large disc bevel gear 224. The disc large bevel gear 224 and the middle bevel gear 225 are meshed and mounted, and power is transmitted to the small bevel gear 226 which is coaxially mounted through gear transmission; the bevel pinion 226 and the disc gear 213 are meshed and mounted, and power is transmitted to the disc gear 213 through gear transmission; the disc gear 213 is transmitted to a large belt pulley 2131 which is coaxially arranged; the large belt pulley 2131 and the small belt pulley 2111 are in belt transmission, and power is transmitted to the small belt pulley 2111; the small belt pulley 2111 is transmitted to the coaxial driving wheel 211, and then the auxiliary wheel 212 is provided, so that the movement of the walking driving module 2 in the pipeline is finally realized, and the movement of the roll forming module 1 and the supporting and positioning module 3 in the pipe is synchronously pushed to move to the position required for roll forming.
Moving to a designated position, stopping the third motor 221, starting the fourth motor 311 in the supporting and positioning module 3, wherein a straight gear 313 arranged at the output end of the fourth motor 311 is meshed with the two supporting racks 312, and the two supporting racks 312 are driven to slide on the L-shaped chute 351 of the circular bottom cover 35 through gear and rack transmission to be propped open and positioned; meanwhile, rubber points 3125 are provided on the supporting rack 312 to increase friction when contacting with a pipe, so that better positioning is achieved.
Then, starting a first motor 121 in the roll forming module 1, driving a first coupling 122 to rotate, and driving a lead screw 123 to rotate; the screw 123 and the screw nut 124 transmit the rotation of the screw 123 to the movement of the screw nut 124 through screw transmission; the lead screw nut 124 moves to drive the connecting rod 125 to radially extend out, and the supporting rod 113 is pushed to slide on the T-shaped guide rail 172 of the first bottom cover 17, so that the roller group is radially pushed out; meanwhile, the second motor 131 is started to drive the second shaft device 132 to rotate, and the rolling connection 133 and the first bottom cover 17 are driven to rotate together, so that the roller mechanism 11 rotates axially and pushes out radially, and finally the rolling incremental forming of the metal round pipe is realized.
The rolling module for metal round tube rolling incremental forming provided by the embodiment is a mobile metal round tube rolling incremental forming device based on an incremental forming technology, and a roller is in rolling contact with a tube and has small friction; the pipe is simultaneously rolled and formed by a plurality of pairs of roller groups, so that the pipe is uniformly stressed and has good forming quality; the curved surface shape of the roller is consistent with the waveform of the corrugated pipe required to be rolled, the roller can be independently replaced according to different corrugated shapes, the operation is simple, and the universality is high. In the radial spreading transmission mechanism, a first motor drives a first coupler to rotate so as to drive a lead screw to rotate; the screw rod and the screw rod nut are in threaded transmission, so that the rotary motion of the screw rod is converted into the movement of the screw rod nut; the lead screw nut moves to drive the connecting rod to radially extend out, so that the supporting rod is pushed to slide on the T-shaped guide rail of the round bottom cover, and the roller group is radially pushed out; meanwhile, the second motor drives the second coupler to rotate to drive the rolling connecting shaft to rotate together with the second bottom cover, so that the roller mechanism rotates axially and pushes out radially at the same time, and finally the rolling incremental forming of the metal circular tube is realized. In the wheel leg transmission mechanism, a third motor drives a second coupler to rotate and transmits the rotation to the disc large bevel gear through a connecting shaft; the large bevel gear and the middle bevel gear of the disc are in gear transmission, and power is transmitted to the small bevel gear which is coaxially arranged; the bevel pinion and the circular disk gear are in gear transmission and synchronously transmitted to a large belt wheel which is coaxially arranged; big band pulley and little band pulley pass through the belt and connect, through belt drive, with power transmission to action wheel, are equipped with the auxiliary wheel again, finally realize the removal of action wheel in pipeline inside, structural design is ingenious, reliable and stable. In the supporting and positioning mechanism, a fourth motor drives a straight gear to rotate, the straight gear and two supporting rack gears and racks are in transmission, the supporting racks are driven to be unfolded and positioned, and contracted and reset on the L-shaped sliding grooves in the circular bottom cover, and the structure is stable and reliable. And the supporting block of the supporting rack is provided with rubber points, so that the friction between the supporting block and the pipe can be increased, and the supporting rack can be better positioned. The connecting sliding block can slide on the first wheel leg sliding rod and the second wheel leg sliding rod, so that the position on the connecting sliding block leg sliding rod is realized, the spreading angle of the wheel leg mechanism is adjusted, the device is suitable for different inner diameters of pipelines, and the universality is high. The unfolding angle of the crawling mechanism is adjusted by adjusting the position of the adjusting slide block on the slide rod, and the crawling mechanism is reliable in structure. In conclusion, the corrugated pipe or the bulging pipe with high corrugation height and narrow corrugation width can be formed by rolling, and the corrugated pipe or the bulging pipe is high in modularization degree, strong in universality and stable and reliable in structure.
Claims (4)
1. A movable metal round pipe rolling incremental forming device is characterized by comprising a rolling forming module (1), a walking driving module (2) and a supporting and positioning module (3); the roll forming module (1) comprises a roller mechanism (11), a radial opening transmission mechanism (12), an axial rotation transmission mechanism (13), a frustum-shaped end cover (14), a motor mounting frame (15), a cylinder body (16) and a first bottom cover (17); the walking driving module (2) comprises a wheel leg mechanism (21), a wheel leg transmission mechanism (22), a box body (23) and a second bottom cover (24); the supporting and positioning module (3) comprises a supporting and positioning mechanism (31), a rolling mechanism (32), a cylindrical box body (33), a circular supporting plate (34) and a circular bottom cover (35); a walking driving module (2) is installed on one side of the rolling forming module (1), and a supporting and positioning module (3) is installed on the other side of the rolling forming module (1);
the roller mechanism (11) in the roll forming module (1) comprises 6 roller groups consisting of a first roller (111) and a second roller (112) and 6 support rods (113); 6 supporting rods (113) are uniformly arranged on the first bottom cover (17), 1 group of roller groups are respectively arranged at one end of each of the 6 supporting rods (113), and the roller groups are positioned on the outer side of the circular first bottom cover (17); the radial spreading transmission mechanism (12) comprises a first motor (121), a first coupler (122), a lead screw (123), a lead screw nut (124) and 6 connecting rods (125); a first motor (121) is fixedly mounted on the motor mounting frame (15), the output end of the first motor (121) is connected with one end of a screw rod (123) through a first coupler (122), and the other end of the screw rod (123) is connected with a first bottom cover (17) through a bearing; a motor mounting rack (15) is further sleeved on the first coupling (122) between the screw rod (123) and the first motor (121); the screw nut (124) is meshed with the screw (123); one end of the connecting rod (125) is connected with the other end of the supporting rod (113), and the other end of the connecting rod (125) is connected with the outer wall of the screw nut (24); a cylinder (16) is arranged between the motor mounting frame (15) and the first bottom cover (17); the axial rotation transmission mechanism (13) comprises a second motor (131), a second coupler (132) and a rolling connecting shaft (133); one end of the rolling connecting shaft (133) is connected with a second motor (131) through a second coupler (132), and the other end of the rolling connecting shaft (133) is fixedly connected with a first bottom cover (17); the first motor (121), the motor mounting frame (15), the first coupler (122), the lead screw (123), the lead screw nut (124), the first bottom cover (17), the rolling connecting shaft (33), the second coupler (32) and the second motor (31) are coaxially mounted;
the middle wheel leg mechanism (21) of the walking driving module (2) comprises a driving wheel (211), an auxiliary wheel (212), a disc gear (213), a belt (214), a first wheel leg sliding rod (215), a second wheel leg sliding rod (216), a sliding rod fixing block (217), a connecting sliding block (218), a sliding block supporting rod (219), a supporting rod fixing block (210), a first wheel shaft (2110) and a first wheel shaft (2130); the first wheel shaft (2110) is sleeved with a first wheel leg sliding rod (215), a driving wheel (211), an auxiliary wheel (212) and a second wheel leg sliding rod (216) in sequence; the first gear shaft (2130) is sleeved with a sliding rod fixing block (217), a first wheel leg sliding rod (215), a disc gear (213) and a second wheel leg sliding rod (216) in sequence; the first wheel leg sliding rod (215) and the second wheel leg sliding rod (216) are sleeved with connecting sliding blocks (218); one end of the sliding block supporting rod (219) is connected with the connecting sliding block (218), and the other end of the sliding block supporting rod (219) is connected with the supporting rod fixing block (210); the wheel leg transmission mechanism (22) comprises a third motor (221), a third coupler (222), a wheel leg connecting shaft (223), a disc large bevel gear (224), a middle bevel gear (225), a small bevel gear (226), a gear fixing block (227) and a second gear shaft (228); the output end of the third motor (221) is connected with one end of a third coupler (222), the other end of the third coupler (222) is connected with one end of a wheel leg connecting shaft (223), and the other end of the wheel leg connecting shaft (223) is connected with a disc large bevel gear (224); a gear fixing block (227) is mounted on the second bottom cover (24), a second gear shaft (228) is mounted on the gear fixing block (227), and a middle bevel gear (225) and a small bevel gear (226) are mounted at two ends of the gear shaft (228) respectively; the small bevel gear (226) is meshed with the disc gear (213); the middle bevel gear (225) is meshed with the disc large bevel gear (224); the third motor (221), the third coupler (222), the wheel leg connecting shaft (223) and the disc large bevel gear (224) are coaxially arranged;
the supporting and positioning mechanism (31) in the supporting and positioning module (3) comprises a fourth motor (311), 2 supporting racks (312) and a straight gear (313); a fourth motor (311) is installed on one side of the circular supporting disk (34), and a spur gear (313) is installed on the other side of the circular supporting disk (34); the output end of the straight gear (313) is connected with the output end of the fourth motor (311); the round supporting disk (34) provided with the straight gear (313) is connected with the round bottom cover (35); 2 supporting racks (312) are arranged between the circular supporting disk (34) and the circular bottom cover (35), and the 2 supporting racks (312) are meshed with a straight gear (313); the rolling mechanism (32) comprises a sliding rod fixing block (321), a sliding rod (322), an adjusting sliding block (323), a roller (324), a sliding block connecting rod (325) and a connecting rod fixing block (326); a sliding rod mounting table (3212) is integrally mounted on the sliding rod fixing block (321), a first fixing mounting hole (3211) is formed in the sliding rod fixing block (321), and a first mounting through hole (3213) is formed in the sliding rod mounting table (3212); two ends of the sliding rod (322) are respectively provided with a second mounting through hole (3221); a first mounting through hole (3213) on the sliding rod mounting table (3212) is connected with a second mounting through hole (3221) at one end of the sliding rod (322) through a pin; a second mounting through hole (3221) at the other end of the sliding rod (322) is respectively connected with 2 rollers (324) through roller shafts; a sliding block connecting rod mounting table (3231) is integrally mounted on the adjusting sliding block (323), and a sliding rod mounting square hole (3233) is formed in the side face of the adjusting sliding block (323); an adjusting slide block positioning hole (3234) is formed in the front face of the adjusting slide block (323), and the adjusting slide block positioning hole (3234) is communicated with a slide rod mounting square hole (3233); a third mounting through hole (3232) is formed in the slider connecting rod mounting table (3231); both ends of the slide block connecting rod (325) are provided with fourth mounting through holes (3251); the connecting rod fixing block (326) is integrally provided with a connecting rod mounting table (3262); a second fixed mounting hole (3261) is formed in the connecting rod fixing block (326), and a fifth mounting through hole (3263) is formed in the connecting rod mounting table (3262); a fourth mounting through hole (3251) at one end of the slider connecting rod (325) and a third mounting through hole (3232) of the adjusting slider (323) are connected through a pin; and a fifth mounting through hole (3263) on the connecting rod mounting table (3262) is connected with a fourth mounting through hole (3251) at the other end of the sliding block connecting rod (325) through a pin.
2. The movable metal round pipe rolling incremental forming device as claimed in claim 1, wherein one end of the support rod (113) is provided with a deep groove ball bearing mounting hole (1131), and a deep groove ball bearing (114) is mounted in the deep groove ball bearing mounting hole (1131); a first roller (111) is arranged on the deep groove ball bearing (114) positioned at one side of the supporting rod (113), and a second roller (112) is arranged on the deep groove ball bearing (114) positioned at the other side of the supporting rod (113); the second roller (112) is fixedly connected with the first roller (111) through a roller screw (115) and a roller nut (116);
a support rod limiting platform (1132) is further arranged on the support rod (113) below the deep groove ball bearing mounting hole (1131), a switching connecting platform (1133) is arranged on the side face of the other end of the support rod (113), a sixth mounting through hole (1134) is formed in the switching connecting platform (1133), and the switching connecting platform (1133) is connected with the connecting rod (125) through the sixth mounting through hole (1134); a T-shaped groove (1135) is formed in the side surface of the support rod (113);
the first roller (111) is a roller with one surface being a curved surface and the other surface being a plane; a deep groove ball bearing mounting hole (1131) and a first annular groove (1113) for mounting a deep groove ball bearing (114) are formed in the upper plane side of the first roller (111), a screw mounting through hole (1116) is formed in the middle of the upper plane side of the first roller (111), a shaft surface (1111) matched with an inner hole of the deep groove ball bearing (114) is formed in the first roller (111) on the periphery of the screw mounting through hole (1116), and a stepped shaft shoulder (1112) is formed in the first roller (111) at the bottom of the shaft surface (1111); a first concave table (1114) is arranged in the middle of a first roller curved surface (1115) on the upper curved surface side of the first roller (111), and the first concave table (1114) is communicated with the center of a screw mounting through hole (1116);
the second roller (112) is also a roller with one surface being a curved surface and the other surface being a plane; an axial surface mounting concave platform (1121) matched with the axial surface (1111) on the first roller (111) is formed in the upper plane side of the second roller (112); a nut mounting through hole (1126) is formed in the middle of the upper plane side of the second roller (112), a deep groove ball bearing mounting hole (1131) and a second ring groove (1123) for mounting a deep groove ball bearing (114) are formed in the periphery of the shaft surface mounting concave platform (1121), and a bearing positioning boss (1122) matched with the stepped shaft shoulder (112) on the first roller (111) is formed between the second ring groove (1123) and the shaft surface mounting concave platform (1121); a second concave platform (1124) is arranged in the middle of a second roller curved surface (1125) on the upper curved surface side of the second roller (112), and the second concave platform (1124), a nut mounting through hole (1126), an axial surface mounting concave platform (1121), a second ring groove (1123) and a bearing positioning boss (1122) are communicated in the center position;
the curved surface shapes of the first roller curved surface (1115) and the second roller curved surface (1125) are consistent with the shape of the corrugation required to be formed by rolling;
the lead screw (123) comprises a first lead screw shaft section (1231), a lead screw thread section (1232) and a second lead screw shaft section (1233) which are integrally formed; the screw nut (124) is a hollow outer side provided with connecting blocks (1241) which are equal in number and corresponding in position to the connecting rods (125), a connecting block mounting hole (1242) is formed in each connecting block (1241), and a screw nut internal thread (1243) is formed in the hollow inner side of the screw nut (124); the screw nut internal thread (1243) is meshed with a screw thread section 1232) of the screw rod (123); the two ends of the connecting rod (125) are integrally provided with connecting rod connecting platforms (1251), and the side surfaces of the connecting platforms (1251) are provided with connecting platform mounting through holes (1252); the connecting rod connecting platform (1251) at one end of the connecting rod (125) is connected with a shaft mounting through hole (1134) of the upper connecting platform (1133) of the supporting rod (113) through a connecting platform mounting through hole (1252) by a pin, and the connecting rod connecting platform (1251) at the other end of the connecting rod (125) is connected with a connecting block mounting hole (1242) of the upper connecting block (1241) of the lead screw nut (124) through the connecting platform mounting through hole (1252) by a pin;
a second screw shaft section (1233) of the screw (123) is arranged in the first coupling (122); a screw hole (171) is formed in the center of the first bottom cover (17), and a first screw shaft section (1231) of a screw (123) is mounted in the screw hole (171) of the first bottom cover (17) through a bearing; the first bottom cover (17) is also uniformly provided with 6T-shaped guide rails (172), and the T-shaped guide rails (172) of the first bottom cover (17) are movably provided with T-shaped grooves (1135) of the support rods (113); 6 first bottom cover mounting platforms (173) are uniformly arranged on the circumferential edge of one side of the first bottom cover (17) provided with the T-shaped guide rails (172), and the distribution positions of the first bottom cover mounting platforms (173) are the circumferential edges of the first bottom cover (17) among every 2T-shaped guide rails (172); a first bottom cover mounting platform mounting hole (177) is formed in the first bottom cover mounting platform (173); a first bottom cover fixing block (174) is integrally installed on the other side of the first bottom cover (17), a first bottom cover connecting hole (175) and a fastening hole (176) for fixing the first bottom cover (17) and the rolling connecting shaft (133) are formed in the first bottom cover fixing block (174), and the first bottom cover connecting hole (175) is communicated with the fastening hole (176); a rolling connecting shaft (133) is arranged in the first bottom cover connecting hole (175), and a set screw is arranged in the set hole (176) to fixedly connect the rolling connecting shaft (133) with the first bottom cover (17);
4 end cover connecting platforms (141) are uniformly arranged on the frustum-shaped end cover (14), and end cover fixing mounting holes (142) are formed in the end cover connecting platforms (141); a bearing mounting platform (143) is arranged in the middle of the frustum-shaped end cover (14), and a bearing cover fixing mounting hole (144) is formed in the bearing mounting platform (143); a bearing is arranged in the bearing mounting platform (143), and a bearing cover fixing mounting hole (144) of the frustum-shaped end cover (14) is fixedly connected with the bearing cover (18); 4 bearing cover fixing platforms (181) are uniformly arranged on the bearing cover (18), an end cover fixing installation through hole (182) is formed in each bearing cover fixing platform (181), and a connecting shaft section installation through hole (183) is formed in the middle of each bearing cover (18); the bearing cover fixing and mounting hole (144) of the frustum-shaped end cover (14) is fixedly connected with the end cover fixing and mounting through hole (182) of the bearing cover (18) through a screw;
the motor mounting frame (15) comprises a square motor mounting platform (151), and four corners of the square motor mounting platform (151) are connected with a circular ring-shaped mounting ring (153) through supporting rods (152); a first coupling mounting through hole (154) is formed in the middle of the square motor mounting platform (151); a first motor mounting hole (155) is further formed in the square motor mounting platform (151), and the first motor (121) is fixedly connected with the square motor mounting platform (151) through a nut and a bolt by utilizing the first motor mounting hole (155); 4 cylinder mounting platforms (156) are uniformly arranged on the circular mounting ring (153), and cylinder mounting holes (157) are formed in the cylinder mounting platforms (156); 4 frustum-shaped end cover installation abdicating grooves (158) are uniformly distributed on the circular ring-shaped installation ring (153), and the cylinder installation platform (156) and the frustum-shaped end cover installation abdicating grooves (158) are distributed at intervals; a frustum-shaped end cover (14) is arranged between the periphery of the first motor (121) and the motor mounting frame (15);
one end of the cylinder body (16) is uniformly provided with 8 combined mounting platforms (161), and the combined mounting platforms (161) are provided with combined mounting holes (164); in 8 combined mounting platforms (161) of the cylinder (16), combined mounting holes (164) on the combined mounting platforms (161) which are distributed at intervals of 1 are fixedly connected with cylinder mounting holes (157) on 4 cylinder mounting platforms (156) of the motor mounting rack (15) through bolts and nuts respectively; except 4 combined mounting platforms (161) of 8 combined mounting platforms (161) of the cylinder body (16) connected with the motor mounting frame (15), the other 4 combined mounting platforms (161) are fixedly connected with end cover fixing mounting holes (142) on 4 end cover connecting platforms (141) of the frustum-shaped end cover (14) through bolts and nuts respectively; 6 barrel mounting platform (162) are installed to barrel (16) other end equipartition, and per 2 still the equipartition installs bracing piece groove of stepping down (163) between barrel mounting platform (162).
3. The movable metal round pipe rolling incremental forming device as claimed in claim 1, wherein a small belt wheel (2111) is coaxially and integrally formed on the driving wheel (211), and a first shaft mounting through hole (2112) is formed in the coaxial center position of the driving wheel (211) and the small belt wheel (2111); a large belt wheel (2131) is coaxially and integrally formed on the disc gear (213), and a second shaft mounting through hole (2132) is formed in the coaxial central position of the disc gear (213) and the large belt wheel (2131); a belt (214) is arranged between a small belt wheel (2111) on the driving wheel (211) and a large belt wheel (2131) on the disc gear (213); third shaft mounting through holes (2151) are respectively formed in two ends of the first wheel leg sliding rod (215) and the second wheel leg sliding rod (216); a seventh mounting through hole (2171) and a third fixing mounting through hole (2172) are formed in the sliding rod fixing block (217); the connecting sliding block (218) is a sliding block with a circular shaft section (2182) at the middle section and square holes (2181) at two ends; the connecting slide block square holes (2181) at the two ends of the connecting slide block (218) are respectively arranged on the first wheel leg slide bar (215) and the second wheel leg slide bar (216); two ends of the sliding block supporting rod (219) are respectively provided with a supporting rod mounting hole (2191), and the supporting rod mounting hole (2191) at one end is provided with a mounting notch (2192); a fourth fixed mounting hole (2101) and an eighth mounting through hole (2102) are formed in the supporting rod fixing block (210); one end of the sliding block supporting rod (219) is installed on a circular shaft section (2182) of the connecting sliding block (218) through an installation notch (2192), and a supporting rod installation hole (2191) at the other end of the sliding block supporting rod (219) is connected with an eighth installation through hole (2102) in the supporting rod fixing block (210) through a pin;
the wheel leg connecting shaft (223) comprises a first connecting shaft section (2231) and a second connecting shaft section (2232), and a first key groove (2233) is formed in the second connecting shaft section (2232); a third shaft mounting through hole (2241) is formed in the center of the disc large bevel gear (224), and a second key groove (2242) is formed in the edge of the third shaft mounting through hole (2241); a disc large bevel gear (224) is mounted on a second connecting shaft section (2232) of the wheel leg connecting shaft (223), and a first key groove (2233) of the wheel leg connecting shaft (223) is connected with a second key groove (2242) of the disc large bevel gear (224) through a key; a first connecting shaft section (2231) of the wheel leg connecting shaft (223) is connected with the other end of the third coupler (222); a fourth shaft mounting through hole (2271) and a gear fixing block mounting hole (2272) are formed in the gear fixing block (227), and a second gear shaft (228) is mounted in the fourth shaft mounting through hole (2271);
a gear fixing block mounting through hole (241), a sliding rod fixing block mounting through hole (242) and a box body mounting through hole (243) are formed in one side of the second bottom cover (24), a second bottom cover connecting shoulder (244) is further installed in the middle of the other side of the second bottom cover (24), and a second bottom cover connecting shaft section (245) is installed in the center of the second bottom cover connecting shoulder (244); the gear fixing block mounting through hole (241) in the second bottom cover (24) is fixedly connected with a gear fixing block mounting hole (2272) of the gear fixing block (227) through a screw; the sliding rod fixing block mounting through hole (242) in the second bottom cover (24) is fixedly connected with a third fixing mounting through hole (2172) of the sliding rod fixing block (217) through a screw; a second bottom cover connecting shaft section (245) of the second bottom cover (24) penetrates through a connecting shaft section mounting through hole (183) of the bearing cover (18) and then is mounted in a bearing inner hole in a bearing mounting platform (143) of the frustum-shaped end cover (14), and the second bottom cover connecting shaft section (245) is connected with a bearing inner ring in the bearing mounting platform (143) through a key;
the second bottom cover (24) is fixedly connected with the bottom of the box body (23); a supporting rod fixing block mounting platform (2302) and a second bottom cover mounting platform (2304) are mounted on the side wall surface of the box body (23); a third motor mounting hole (2301) is formed in the box body (23), a supporting rod fixing block mounting through hole (2303) is formed in the supporting rod fixing block mounting platform (2302), and a second bottom cover mounting through hole (2305) is formed in the second bottom cover mounting platform (2304); the box body (23) is also provided with a abdicating groove (2306) which is abdicating the wheel leg mechanism (21) to expose the wheel leg mechanism; the supporting rod fixed block mounting platform (2302) of the box body (23) is fixedly connected with a fourth fixed mounting hole (2101) of the supporting rod fixed block (210) through a supporting rod fixed block mounting through hole (2303) by a screw; the upper bottom cover mounting platform (2304) of the box body (23) is fixedly connected with the upper box body mounting hole (243) of the second bottom cover (24) through a bottom cover mounting hole (2305) through a screw; and the third motor mounting hole (2301) on the box body (23) is connected with the shell of the third motor (221) through a screw.
4. The mobile metal round pipe roll incremental forming device as claimed in claim 1, characterized in that the supporting rack (312) is provided with straight teeth (3121), and a rectangular slider (3122) is installed on the back surface of the straight teeth (3121) of the supporting rack (312); the top of 1 of the supporting rack (312) is provided with a semicircular limiting block (3123), and the bottom of the other 1 of the supporting rack (312) is provided with a semicircular limiting block (3123); a semicircular supporting block (3124) is mounted on the semicircular limiting block (3123), and rubber points (3125) are mounted at the positions of two end points of the semicircular supporting block (3124); the straight tooth (3121) is meshed with the straight gear (313);
a sliding rod fixed block mounting platform (331), a connecting rod fixed block mounting platform (333) and a circular bottom cover mounting platform (335) are integrally mounted on the side wall surface of the cylindrical box body (33); a slide bar fixed block mounting hole (332) is formed in the slide bar fixed block mounting platform (331), a connecting rod fixed block mounting hole (334) is formed in the connecting rod fixed block mounting platform (333), and a circular bottom cover mounting through hole (336) is formed in the circular bottom cover mounting platform (335); a second coupler mounting through hole (337) and a second motor fixing mounting hole (338) are formed in the end part of the cylindrical box body (33); a second coupling (132) at the end of the axial rotation transmission mechanism (13) connected with the second motor (131) penetrates through the second coupling mounting through hole (337) and then fixedly connects a shell of the second motor (131) with a second motor fixing mounting hole (338) on the inner wall surface of the cylindrical box body (33) through a screw; a sliding rod fixed block mounting hole (332) of the sliding rod fixed block mounting platform (331) is fixedly connected with a first fixed mounting hole (3211) of the sliding rod fixed block (321) through a screw; a connecting rod fixing block mounting hole (334) of the connecting rod fixing block mounting platform (333) is fixedly connected with a second fixing mounting hole (3261) of the connecting rod fixing block (326) through a screw;
2L-shaped sliding grooves (351) are mounted on the circular bottom cover (35), 2 abdicating grooves (353) enabling the supporting rack (312) to be exposed outside are formed in the position of a circular edge (352) on the circumference of the circular bottom cover (35), a supporting plate mounting table (354) is integrally formed in the position of the circular edge (352) on the circumference of the circular bottom cover (35), and a supporting plate fixing hole (355) is formed in the supporting plate mounting table (354); the rectangular sliding block (3122) on the supporting rack (312) is matched with the L-shaped sliding groove (351) on the round bottom cover (35) for installation;
a fourth motor output end mounting through hole (341) is formed in the center of the circular supporting plate (34), and a fourth motor fixing hole (342) is formed in the circular supporting plate (34); the output end of the fourth motor (311) penetrates through a motor output end mounting through hole 341) of the circular support plate (34) and then the shell of the fourth motor (311) is fixedly connected with a fourth motor fixing hole (342) of the circular support plate (34) through a screw; a circular bottom cover mounting table (343) is further integrally mounted on the circumference of the circular supporting disc (34), and a circular bottom cover mounting hole (344) is formed in the circular bottom cover mounting table (343); and a circular shoulder (345) which is clamped with the circular edge (352) of the circular bottom cover (35) for use is also arranged on the circular supporting plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193244.6A CN113020362A (en) | 2021-02-20 | 2021-02-20 | Movable metal round pipe rolling incremental forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193244.6A CN113020362A (en) | 2021-02-20 | 2021-02-20 | Movable metal round pipe rolling incremental forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020362A true CN113020362A (en) | 2021-06-25 |
Family
ID=76460849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193244.6A Pending CN113020362A (en) | 2021-02-20 | 2021-02-20 | Movable metal round pipe rolling incremental forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113020362A (en) |
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2021
- 2021-02-20 CN CN202110193244.6A patent/CN113020362A/en active Pending
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