CN110102597B - Shaping device before metal plate coiled pipe welding - Google Patents
Shaping device before metal plate coiled pipe welding Download PDFInfo
- Publication number
- CN110102597B CN110102597B CN201910317316.6A CN201910317316A CN110102597B CN 110102597 B CN110102597 B CN 110102597B CN 201910317316 A CN201910317316 A CN 201910317316A CN 110102597 B CN110102597 B CN 110102597B
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- Prior art keywords
- pinch roller
- shaft
- wheel
- plate
- shaping
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- 238000007493 shaping process Methods 0.000 title claims abstract description 72
- 239000002184 metal Substances 0.000 title claims abstract description 67
- 238000003466 welding Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a sheet metal coiled pipe pre-welding shaping device which comprises a frame, wherein an axially extending shaping channel is arranged on the frame, an upper pinch roller support extending along the axial direction of the shaping channel is hung on the frame above the shaping channel, a plurality of upper pinch rollers are sequentially arranged on the upper pinch roller support along the axial direction of the shaping channel, each upper pinch roller is rotationally connected to the upper pinch roller support through an upper wheel shaft fixedly connected with the upper pinch roller support, the lower edge of each upper pinch roller is lower than the lower edge of the upper pinch roller support, the upper wheel shaft is perpendicular to the axial direction of the shaping channel, a driving device for driving each upper wheel shaft to rotate is further connected to the frame, the driving device is in transmission connection with each upper wheel shaft through a transmission mechanism, the lower ends of the upper pinch roller supports are connected with a plurality of first guide plates extending downwards, the lower ends of the first guide plates are jointly connected with a lower pinch roller support, and the lower pinch rollers corresponding to the upper pinch rollers are rotationally connected to the lower pinch roller support one by one. The invention can reshape the seam of the metal plate coiled pipe and improve the post-welding effect.
Description
Technical field:
the invention relates to a sheet metal coiled pipe pre-welding shaping device.
The background technology is as follows:
the automobile exhaust emission pipe has a large number of holes on the pipe wall, if the existing circular pipe is adopted for manufacturing, the hole punching is difficult to realize when the pipe wall of the circular pipe is punched, so that the plate needs to be punched firstly and then rolled and welded when the automobile exhaust emission pipe is manufactured.
The sheet metal coiled pipe formed by the coiled sheet metal is provided with a certain resilience force, and after the coiled sheet metal is coiled, the edges of the sheet metal are difficult to be coiled, so that the edges of two opposite joints of the sheet metal coiled pipe are in an outwards arched state, the sheet metal coiled pipe cannot be directly welded, and the quality of a welded pipe fitting cannot meet the requirements.
The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: the utility model provides a shaping device before sheet metal coiled pipe welds, this shaping device carries out the plastic to the butt joint both sides edge of sheet metal coiled pipe, makes butt joint both sides edge be parallel to each other in order to weld.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a shaping device before sheet metal coiled pipe welds, includes the frame, be provided with an axially extending shaping passageway in the frame, the overhead grafting has along shaping passageway axially extending's last pinch roller support in the frame of shaping passageway top, upward arrange in proper order along shaping passageway axial on the pinch roller support and be provided with a plurality of pinch rollers, each pinch roller is connected on last pinch roller support through the last shaft rotation with it fixed connection, and the lower edge of last pinch roller is less than the lower edge of last pinch roller support, the axial of last shaft perpendicular to shaping passageway, still be connected with in the frame and be used for driving each last shaft pivoted drive arrangement, this drive arrangement is connected with each last shaft transmission through drive mechanism, upward pinch roller support lower extreme is connected with a plurality of downwardly extending's first deflector, and each first deflector lower extreme is connected with a lower pinch roller support jointly, rotates on the lower pinch roller support to be connected with the lower pinch roller with last pinch roller one-to-one.
As a preferable scheme, the outer circumferential surfaces of the upper pressing wheel 4 and the lower pressing wheel 9 are parallel to the axial direction of the upper pressing wheel 4.
As a preferable scheme, a plurality of side limiting wheel supports are respectively connected to the frames on two sides of the lower pressing wheel support, the side limiting wheel supports on the same side are axially and sequentially arranged along the shaping channel, and a plurality of side limiting wheels are rotationally connected to each side limiting wheel support.
As a preferable scheme, the upper pinch roller support comprises a left upper shaft plate and a right upper shaft plate which are arranged in parallel and opposite to each other, upper wheel grooves which are in one-to-one correspondence with the upper pinch rollers are symmetrically formed in the left upper shaft plate and the right upper shaft plate, the left upper shaft plate and the right upper shaft plate are combined together, and the first guide plate is clamped between the left upper shaft plate and the right upper shaft plate at the upper and lower stream of any upper wheel groove; the lower pinch roller support comprises a left lower shaft plate and a right lower shaft plate which are oppositely arranged in parallel, lower wheel grooves corresponding to the lower pinch rollers one by one are symmetrically formed in the left lower shaft plate and the right lower shaft plate, the left lower shaft plate and the right lower shaft plate are combined together, and the first guide plate is clamped between the left lower shaft plate and the right lower shaft plate at the upstream and downstream of any lower wheel groove.
As a preferred scheme, the lower pinch roller support is provided with lower shaft holes corresponding to the lower pinch rollers one by one in sequence along the axial direction, two ends of the lower shaft holes are long holes, the middle of the lower shaft holes is provided with round holes, the long diameter of each long hole is perpendicular to the axial direction of the shaping channel, the middle section of a lower wheel shaft of the lower pinch roller is a round shaft part corresponding to the round holes but smaller than the round holes in diameter, the lower pinch roller is rotationally connected to the round shaft part of the lower wheel shaft, two ends of the lower wheel shaft are flat parts, the short diameter of the flat parts is matched with the short diameter of the long holes at two ends of the lower shaft holes, the long diameter of the flat parts is smaller than the long diameter of the long holes at two ends of the lower shaft holes, the lower wheel shaft can be movably connected in the lower shaft holes along the long diameter direction of the long holes, the lower ends of the left lower shaft plate and the right lower shaft plate are respectively provided with adjusting holes communicated with the long holes at two ends of any lower shaft hole, an adjusting bolt is connected to the inner threads of the adjusting hole, the upper end of the adjusting bolt is in butt joint with the round shaft part of the lower wheel shaft, and the adjusting bolt can be screwed to the distance between the lower wheel shaft and the upper wheel shaft, so that the distance between the lower pinch roller and the lower pinch roller can be adjusted.
As a preferable scheme, the center of the outer circumference of any one of the upper pressing wheels is provided with an annular second guide plate protruding outwards in the radial direction, the center of the outer circumference of any one of the lower pressing wheels is provided with an annular guide groove matched with the second guide plate of the corresponding upper pressing wheel, the second guide plate is partially inserted into the guide groove, and the first guide plate is flush with the second guide plate.
As a preferable scheme, the transmission mechanism comprises a transmission shaft which is parallel to the axial direction of the shaping channel and is rotationally connected to the frame, driving bevel gears which are in one-to-one correspondence with the upper pinch rollers are sleeved on the transmission shaft, one end of an upper wheel shaft of each upper pinch roller, which is close to the transmission shaft, extends out of the upper pinch roller support and is connected with a driven bevel gear, the driving bevel gears are meshed with the driven bevel gears on the corresponding upper wheel shafts of the upper pinch rollers to realize gear transmission, and the driving device drives the transmission shaft to rotate.
As a preferable scheme, a pair of support rollers parallel to the axial direction of the shaping channel are rotationally connected on a frame at the upstream of the shaping channel, at least one support roller is a driving roller, a sensor bracket is vertically arranged on the frame at one side of the two support rollers, a photoelectric sensor is arranged on the sensor bracket, and the photoelectric sensor is positioned right above the middle of the two support rollers and is used for detecting a seam on a sheet metal coiled pipe.
As a preferable scheme, a first pneumatic sliding table is further vertically arranged on the frame at one side of the two supporting rollers, a third guide plate which is vertically arranged is connected to the first sliding block of the first pneumatic sliding table, and the third guide plate is positioned right above the middle of the two supporting rollers.
As a preferable scheme, a second pneumatic sliding table parallel to the axial direction of the shaping channel is further arranged on the frame, and a push rod extending to the shaping channel for pushing the sheet metal coiled pipe to move downstream is connected to a second sliding block of the second pneumatic sliding table.
The beneficial effects of the invention are as follows: according to the invention, the upper pressing wheel and the lower pressing wheel are arranged to press and shape the edges of the two sides of the butt joint of the sheet metal coiled pipe, so that the edges of the two sides of the butt joint of the sheet metal coiled pipe are mutually parallel, the welding is convenient, and the edges of the two sides of the welding line slightly arch outwards to repair the section of the sheet metal coiled pipe to be right circular under the action of thermal expansion after the welding, thereby effectively improving the production efficiency and the welding quality and improving the product yield.
Meanwhile, the first guide plate and the second guide plate limit the metal plate coiled pipe, so that the metal plate coiled pipe is ensured not to rotate in the shaping process.
According to the invention, the radial movement of the sheet metal coiled pipe in the shaping process is further limited by arranging the side limiting wheels, so that the shaping precision is further improved.
According to the invention, the adjusting holes and the adjusting bolts are further arranged on the lower pressing wheel support and are used for adjusting the distance between the upper pressing wheel and the lower pressing wheel, so that the gradual shaping of the sheet metal coiled pipe is realized, and the rebound after the shaping of the sheet metal coiled pipe is reduced.
According to the invention, the two supporting rollers are arranged at the upstream of the shaping channel, and the photoelectric sensor is arranged above the two supporting rollers, so that the automatic adjustment of the butt joint position of the sheet metal coiled pipe is realized, and meanwhile, the pneumatic sliding table and the push rod are adopted to push the sheet metal coiled pipe to move, so that the automatic shaping is realized.
Description of the drawings:
the invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a sheet metal coiled pipe before welding;
FIG. 2 is a front elevational view of the orthopedic device of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
fig. 5 is an enlarged view of a portion B in fig. 4;
FIG. 6 is a cross-sectional view of C-C in FIG. 2;
FIG. 7 is a schematic view of the structure of the lower axle of the present invention;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is an enlarged view of a seam cross section of an unshaped sheet metal coiled tube;
fig. 10 is an enlarged view of the seam cross section of the shaped sheet metal coiled pipe.
In fig. 1 to 10: 1. the device comprises a frame, 2, a shaping channel, 3, an upper pinch roller support, 3-1, a left upper shaft plate, 3-2, a right upper shaft plate, 3-3, an upper wheel groove, 4, an upper pinch roller, 4-1, an upper wheel shaft, 5, a driving device, 6, a transmission mechanism, 6-1, a transmission shaft, 6-2, a driving bevel gear, 6-3, a driven bevel gear, 7, a first guide plate, 8, a lower pinch roller support, 8-1, a left lower shaft plate, 8-2, a right lower shaft plate, 8-3, a lower wheel groove, 8-4, an adjusting hole, 9, a lower pinch roller, 9-1, a lower wheel shaft, 9-1, a flat part, 9-1-2, a round shaft part, 10, a side limiting wheel support, 11, a side limiting wheel, 12, a sheet metal rolling pipe, 13, a lower shaft hole, 13-1, a long hole, 13-2, a round hole, 14, an adjusting bolt, 15, a second guide plate, 16, a guide groove, 17, a support roller, 18, a sensor support, 19, a photoelectric sensor support, 20, 21, a first sliding table, 22, a second sliding table, a third sliding table, a 25, a pneumatic joint, a third sliding table, a fourth sliding table, a 25, a pneumatic sliding table, a third sliding table, a fourth sliding table, a 25.
The specific embodiment is as follows:
specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 10, a sheet metal coiled pipe pre-welding shaping device comprises a frame 1, an axially extending shaping channel 2 is arranged on the frame 1, an upper pinch roller support 3 axially extending along the shaping channel 2 is hung on the frame 1 above the shaping channel 2, a plurality of upper pinch rollers 4 are sequentially arranged on the upper pinch roller support 3 along the shaping channel 2 in an axial direction, each upper pinch roller 4 is rotationally connected to the upper pinch roller support 3 through an upper wheel shaft 4-1 fixedly connected with the upper pinch roller support, the lower edge of each upper pinch roller 4 is lower than the lower edge of the upper pinch roller support 3, the upper wheel shaft 4-1 is perpendicular to the axial direction of the shaping channel 2, a driving device 5 for driving each upper wheel shaft 4-1 to rotate is further connected to the frame 1, the driving device 5 is in transmission connection with each upper wheel shaft 4-1 through a transmission mechanism 6, a plurality of first guide plates 7 extending downwards are connected to the lower ends of the upper pinch roller support 3 in a common mode, the lower pinch roller support 8 is rotationally connected to the lower pinch rollers 9 corresponding to the upper pinch rollers 4 one by one, and the distance between the upper pinch rollers 4 and the lower pinch rollers 9 gradually decreases from the left side to the channel 2 to the right side in a downward direction (from the left side to the upper side of the channel 2).
As shown in fig. 5, the outer circumferential surfaces of the upper pressing wheel 4 and the lower pressing wheel 9 are parallel to the axial direction of the upper pressing wheel 4, the outer circumferential surface of the upper pressing wheel 4 is opposite to the outer circumferential surface of the lower pressing wheel 9, and the two side edges of the seam 20 of the sheet metal coiled pipe 12 are gradually shaped to be in straight alignment with each other.
The machine frame 1 on two sides of the lower pinch roller support 8 is respectively connected with a plurality of side limiting wheel supports 10, the side limiting wheel supports 10 on the same side are sequentially arranged along the axial direction of the shaping channel 2, each side limiting wheel support 10 is rotationally connected with a plurality of side limiting wheels 11, and when the sheet metal coiled pipe 12 is shaped before welding, the side limiting wheels 11 are propped against the outer side surface of the sheet metal coiled pipe 12 or are close to the outer side surface of the sheet metal coiled pipe 12, so that the side deflection of the sheet metal coiled pipe 12 is limited.
As shown in fig. 5, the upper pinch roller support 3 includes a left upper shaft plate 3-1 and a right upper shaft plate 3-2 which are arranged in parallel and opposite, upper wheel grooves 3-3 corresponding to the upper pinch rollers 4 one by one are symmetrically formed on the left upper shaft plate 3-1 and the right upper shaft plate 3-2, the left upper shaft plate 3-1 and the right upper shaft plate 3-2 are combined together, and the first guide plate 7 is clamped between the left upper shaft plate 3-1 and the right upper shaft plate 3-2 at the upstream and downstream of any upper wheel groove 3-3; the lower pinch roller support 8 comprises a left lower shaft plate 8-1 and a right lower shaft plate 8-2 which are arranged in parallel and opposite to each other, lower wheel grooves 8-3 which are in one-to-one correspondence with the lower pinch rollers 9 are symmetrically formed in the left lower shaft plate 8-1 and the right lower shaft plate 8-2, the left lower shaft plate 8-1 and the right lower shaft plate 8-2 are combined together, and the first guide plate 7 is clamped between the left lower shaft plate 8-1 and the right lower shaft plate 8-2 which are arranged at the upstream and downstream of any lower wheel groove 8-3.
The upper left shaft plate 3-1 and the upper right shaft plate 3-2 are adopted to be combined to form the upper pinch roller support 3, the processing is convenient, the first guide plate 7 is clamped between the upper left shaft plate 3-1 and the upper right shaft plate 3-2 and is firmer than welding, the straightness of the upper pinch roller support 3 cannot be influenced by welding, and meanwhile, the first guide plate 7 is ensured to be positioned in the center of the upper pinch roller support 3, so that the alignment with the second guide plate 15 on the upper pinch roller 4 can be realized.
The lower puck support 8 is similar in structure to the upper puck support 3 in that it achieves similar technical effects.
Besides, the lower pinch roller support 8 is sequentially provided with lower shaft holes 13 which are in one-to-one correspondence with the lower pinch rollers 9 along the axial direction, two ends of the lower shaft holes 13 are long holes 13-1, a round hole 13-2 is arranged in the middle, the long diameter of the long hole 13-1 is perpendicular to the axial direction of the shaping channel 2, the middle section of the lower shaft 9-1 of the lower pinch roller 9 is a round shaft part 9-1-2 which corresponds to the round hole 13-2 and has a diameter smaller than that of the round hole 13-2, the lower pinch roller 9 is rotationally connected to the round shaft part 9-1-2 of the lower shaft 9-1, two ends of the lower shaft 9-1 are flat parts 9-1-1, the short diameter of the flat parts 9-1-1 is matched with the short diameter of the long holes 13-1 at two ends of the lower shaft hole 13, the length diameter of the flat part 9-1-1 is smaller than the length diameter of the long holes 13-1 at two ends of the lower shaft hole 13, the lower shaft 9-1 can be movably connected in the lower shaft hole 13 along the length diameter direction of the long holes 13-1, the lower ends of the left lower shaft plate 8-1 and the right lower shaft plate 8-2 are respectively provided with an adjusting hole 8-4 communicated with the long holes 13-1 at two ends of any lower shaft hole 13, the adjusting holes 8-4 are internally threaded and connected with adjusting bolts 14, the upper ends of the adjusting bolts 14 are abutted with the flat part 9-1-1 of the lower shaft 9-1, the distance between the lower shaft 9-1 and the upper shaft 4-1 can be adjusted by screwing the adjusting bolts 14, so that the distance between the upper pinch roller 4 and the lower pinch roller 9 is adjusted, and the control of the whole degree is realized.
The center of the outer circumference of any one of the upper pinch rollers 4 is provided with an annular second guide plate 15 protruding outwards in the radial direction, the center of the outer circumference of any one of the lower pinch rollers 9 is provided with an annular guide groove 16 matched with the second guide plate 15 of the corresponding upper pinch roller, the second guide plate 15 is partially inserted into the guide groove 16, and the first guide plate 7 is flush with the second guide plate 15.
Because the upper wheel groove 3-3 and the lower wheel groove 8-3 are arranged between the two adjacent first guide plates 7 at intervals, the first guide plates 7 cannot continuously guide the metal plate coiled pipe 12, and after the second guide plates 15 are arranged on the outer circumferential surface of the upper pressing wheel 4, a neutral area between the two adjacent first guide plates 7 is supplemented, so that the metal plate coiled pipe 12 can be always guided by the first guide plates 7 or the second guide plates 15, and the stable operation of the metal plate coiled pipe 12 in the shaping process is improved.
The transmission mechanism 6 comprises a transmission shaft 6-1 which is parallel to the axial direction of the shaping channel 2 and is rotatably connected to the frame 1, the transmission shaft 6-1 is sleeved with driving bevel gears 6-2 which are in one-to-one correspondence with the upper pinch rollers 4, one end, close to the transmission shaft 6-1, of the upper wheel shaft 4-1 of each upper pinch roller 4 extends out of the upper pinch roller support 3 and is connected with a driven bevel gear 6-3, the driving bevel gears 6-2 are meshed with the driven bevel gears 6-3 on the upper wheel shafts 4-1 of the corresponding upper pinch rollers 4 to realize gear transmission, and the driving device 5 drives the transmission shaft 6-1 to rotate.
The gear transmission is adopted to improve transmission precision, and the servo motor is adopted as the driving device 5 in a matched mode, so that the shaping length of the sheet metal coiled pipe 12 can be accurately calculated.
As shown in fig. 2 and 3, a pair of support rollers 17 parallel to the axial direction of the shaping channel 2 are rotatably connected to the frame 1 at the upstream of the shaping channel 2, wherein at least one support roller 17 is a driving roller, the sheet metal round tube 12 is rounded and then placed on the two support rollers 17, the two support rollers 17 rotate to drive the sheet metal round tube 12 to rotate, a sensor bracket 18 is vertically arranged on the frame 1 at one side of the two support rollers 17, a photoelectric sensor 19 is arranged on the sensor bracket 18, the photoelectric sensor 19 is positioned right above the middle of the two support rollers 17 and is used for detecting a joint 20 on the sheet metal round tube 12, when the joint 20 of the sheet metal round tube 12 rotates to the right above, the photoelectric sensor 19 controls the support roller 17 serving as the driving roller to stop rotating through a signal, so that the sheet metal round tube 12 is directly pushed into the shaping channel 2, the joint 20 is just right opposite to the first guide plate 7 and the second guide plate 15, and the first guide plate 7 and the second guide plate 15 are smoothly inserted into the joint 20 to guide the sheet metal round tube 12.
The frame 1 on one side of the two supporting rollers 17 is also vertically provided with a first pneumatic sliding table 21, a first sliding block 22 of the first pneumatic sliding table 21 is connected with a third guide plate 23 which is vertically arranged, the third guide plate 23 is positioned right above the middle of the two supporting rollers 17, after the supporting rollers 17 which are made into driving rollers by the photoelectric sensor 19 through signals stop rotating, the first pneumatic sliding table 21 acts, the first sliding block 22 is controlled to drive the third guide plate 23 to move downwards, so that the third guide plate 23 is inserted into the joint 20, the third guide plate, the first guide plate 7 and the second guide plate 15 are positioned on the same axis, and the sheet metal coiled pipe 12 can be ensured to smoothly enter the shaping channel 2 under the guide of the third guide plate 23.
The machine frame 1 is also provided with a second pneumatic sliding table 24 parallel to the axial direction of the shaping channel 2, a second sliding block 25 of the second pneumatic sliding table 24 is connected with a push rod 26 extending to the shaping channel 2 and used for pushing the sheet metal coiled pipe 12 to move downstream, and mechanical automation is adopted for pushing the sheet metal coiled pipe 12 to move, so that the automatic operation of shaping before welding of the sheet metal coiled pipe is realized, the labor cost is reduced, and the production efficiency is improved.
The invention can further control the driving device 5, the first pneumatic sliding table 21, the second pneumatic sliding table 24 and the power device of the supporting roller 17 in a centralized way through the arrangement of a controller, and the photoelectric sensor 19 is electrically connected with the controller and sends signals to the controller.
The working principle of the invention is as follows: as shown in fig. 1 to 10, the sheet metal round tube 12 shown in fig. 1 is firstly placed on two supporting rollers 17, the two supporting rollers 17 rotate to drive the sheet metal round tube 12 to rotate, meanwhile, the photoelectric sensor 19 detects the upper edge of the sheet metal round tube 12, when the seam 20 of the sheet metal round tube 12 rotates to the upper edge, the photoelectric sensor 19 controls the supporting rollers 17 serving as driving rollers to stop rotating through signals, then the first pneumatic sliding table 21 is started, the first sliding block 22 drives the third guide plate 23 to move downwards until the lower end of the third guide plate 23 is inserted into the seam 20, the second pneumatic sliding table 24 is started, the second sliding block 25 drives the push rod 26 to push the sheet metal round tube 12 to move towards the shaping channel 2, and gradually enter the shaping channel 2, and as guided by the third guide plate 23, the first guide plate 7 and the second guide plate 15 in the shaping channel 2 are smoothly inserted into the seam 20 to continuously guide the sheet metal round tube 12, after the sheet metal round tube 12 enters the shaping channel 2, the two side edges of the seam 20 are gradually deformed, and the initial state shown in fig. 9 is formed.
When the sheet metal coiled pipe 12 is transferred to the two supporting rollers 17, a manipulator can be used for replacing manpower, so that the labor cost is further reduced.
After the sheet metal coiled pipe 12 is shaped, the edges of the two sides of the joint 20 are flush and opposite, so that the welding is convenient, and after the welding, the two sides of the joint 20 can be outwards supplied due to heating, so that the section of the sheet metal coiled pipe 12 is circular.
As for the degree of shaping of the edges of the two sides of the sheet metal coiled pipe 12, the shaping degree can be adjusted by adjusting bolts 14.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some of the applied embodiments, and are not intended to limit the invention; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (4)
1. The utility model provides a sheet metal coiled pipe shaping device before welding, which comprises a frame (1), and is characterized in that, be provided with an axially extending shaping passageway (2) on frame (1), frame (1) top shaping passageway (2) is gone up to hoist and is connected with along shaping passageway (2) axially extending upper pinch roller support (3), upper pinch roller support (3) are gone up along shaping passageway (2) axial and are arranged in proper order and are provided with a plurality of upper pinch rollers (4), each upper pinch roller (4) are through upper wheel axle (4-1) rotation connection with it on upper pinch roller support (3), the lower edge of upper pinch roller (4) is less than the lower edge of upper pinch roller support (3), upper wheel axle (4-1) perpendicular to shaping passageway (2)'s axial, still be connected with on frame (1) and be used for driving device (5) that drive each upper wheel axle (4-1) rotated, this drive device (5) are connected with each upper wheel axle (4-1) transmission through drive mechanism (6), upper pinch roller support (3) lower extreme is connected with a plurality of first deflector (7) that extend downwards, each pinch roller support (8) lower extreme is connected with pinch roller (8) one by one jointly;
a plurality of side limiting wheel supports (10) are respectively connected to the frames (1) on two sides of the lower pressing wheel support (8), the side limiting wheel supports (10) on the same side are sequentially arranged along the axial direction of the shaping channel (2), and a plurality of side limiting wheels (11) are rotatably connected to each side limiting wheel support (10);
the upper pinch roller support (3) comprises a left upper shaft plate (3-1) and a right upper shaft plate (3-2) which are arranged in parallel and opposite to each other, upper wheel grooves (3-3) which are in one-to-one correspondence with the upper pinch rollers (4) are symmetrically formed in the left upper shaft plate (3-1) and the right upper shaft plate (3-2), the left upper shaft plate (3-1) and the right upper shaft plate (3-2) are combined together, and the first guide plate (7) is clamped between the left upper shaft plate (3-1) and the right upper shaft plate (3-2) which are arranged on the upstream and downstream of any upper wheel groove (3-3); the lower pinch roller support (8) comprises a left lower shaft plate (8-1) and a right lower shaft plate (8-2) which are arranged in parallel and opposite to each other, lower wheel grooves (8-3) which are in one-to-one correspondence with the lower pinch rollers (9) are symmetrically formed in the left lower shaft plate (8-1) and the right lower shaft plate (8-2), the left lower shaft plate (8-1) and the right lower shaft plate (8-2) are combined together, and the first guide plate (7) is clamped between the left lower shaft plate (8-1) and the right lower shaft plate (8-2) which are arranged at the upstream and downstream of any lower wheel groove (8-3);
the lower pinch roller support (8) is sequentially provided with lower shaft holes (13) which are in one-to-one correspondence with the lower pinch rollers (9) along the axial direction, two ends of the lower shaft holes (13) are long holes (13-1), the middle is a round hole (13-2), the long diameter of each long hole (13-1) is perpendicular to the axial direction of the shaping channel (2), the middle section of the lower shaft (9-1) of the lower pinch roller (9) is a round shaft part (9-1-2) which corresponds to the round hole (13-2) but has a diameter smaller than the round hole (13-2), the lower pinch roller (9) is rotationally connected to the round shaft part (9-1-2) of the lower shaft (9-1), two ends of the lower shaft (9-1) are flat parts (9-1-1), the short diameters of the flat parts (9-1-1) are matched with the short diameters of the long holes (13-1) at two ends of the lower shaft hole (13), the long diameters of the flat parts (9-1-1) are smaller than the long diameters of the long holes (13-1) at two ends of the lower shaft hole (13), the lower shaft (9-1) are movably connected in the long shaft hole (13-1) along the long diameter direction, the lower ends of the left lower shaft plate (8-1) and the right lower shaft plate (8-2) are respectively provided with an adjusting hole (8-4) communicated with long holes (13-1) at two ends of any lower shaft hole (13), the adjusting holes (8-4) are internally connected with adjusting bolts (14) in a threaded manner, the upper ends of the adjusting bolts (14) are abutted with flat parts (9-1-1) of lower wheel shafts (9-1), and the adjusting bolts (14) are screwed to adjust the interval between the lower wheel shafts (9-1) and the upper wheel shafts (4-1), so that the interval between the upper pressing wheels (4) and the lower pressing wheels (9) is adjusted;
an annular second guide plate (15) protruding outwards in the radial direction is arranged in the center of the outer circumferential surface of any upper pressing wheel (4), an annular guide groove (16) matched with the second guide plate (15) of the corresponding upper pressing wheel is arranged in the center of the outer circumferential surface of any lower pressing wheel (9), the second guide plate (15) is partially inserted into the guide groove (16), and the first guide plate (7) is flush with the second guide plate (15);
a pair of support rollers (17) parallel to the axial direction of the shaping channel (2) are rotationally connected to the frame (1) at the upstream of the shaping channel (2), at least one support roller (17) is a driving roller, a sensor bracket (18) is vertically arranged on the frame (1) at one side of the two support rollers (17), a photoelectric sensor (19) is arranged on the sensor bracket (18), and the photoelectric sensor (19) is positioned right above the middle of the two support rollers (17) and is used for detecting a seam (20) on the sheet metal coiled pipe (12);
the machine frame (1) is also provided with a second pneumatic sliding table (24) parallel to the axial direction of the shaping channel (2), and a push rod (26) extending to the shaping channel (2) and used for pushing the sheet metal coiled pipe (12) to move downstream is connected to a second sliding block (25) of the second pneumatic sliding table (24).
2. The sheet metal coiled pipe pre-welding shaping device according to claim 1, wherein the outer circumferential surfaces of the upper pressing wheel (4) and the lower pressing wheel (9) are parallel to the axial direction of the upper pressing wheel (4).
3. The sheet metal coiled pipe pre-welding shaping device according to claim 1, wherein the transmission mechanism (6) comprises a transmission shaft (6-1) which is parallel to the axial direction of the shaping channel (2) and is rotationally connected to the frame (1), driving bevel gears (6-2) which are in one-to-one correspondence with the upper pinch rollers (4) are sleeved on the transmission shaft (6-1), one end of an upper wheel shaft (4-1) of each upper pinch roller (4) close to the transmission shaft (6-1) extends out of the upper pinch roller support (3) and is connected with a driven bevel gear (6-3), the driving bevel gears (6-2) are meshed with the driven bevel gears (6-3) on the upper wheel shafts (4-1) of the corresponding upper pinch rollers (4) to realize gear transmission, and the driving device (5) drives the transmission shaft (6-1) to rotate.
4. A sheet metal coiled pipe pre-welding shaping device according to any one of claims 1-3, characterized in that a first pneumatic sliding table (21) is further vertically arranged on the frame (1) at one side of the two supporting rollers (17), a first sliding block (22) of the first pneumatic sliding table (21) is connected with a third guide plate (23) vertically arranged, and the third guide plate (23) is positioned right above the middle of the two supporting rollers (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910317316.6A CN110102597B (en) | 2019-04-19 | 2019-04-19 | Shaping device before metal plate coiled pipe welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317316.6A CN110102597B (en) | 2019-04-19 | 2019-04-19 | Shaping device before metal plate coiled pipe welding |
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| CN110102597A CN110102597A (en) | 2019-08-09 |
| CN110102597B true CN110102597B (en) | 2023-12-15 |
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| CN108273872A (en) * | 2018-04-04 | 2018-07-13 | 佛山职业技术学院 | A kind of stainless steel tube shaping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005297056A (en) * | 2004-04-16 | 2005-10-27 | Akihisa Murata | Workpiece separating equipment |
| CN101301721A (en) * | 2008-06-26 | 2008-11-12 | 陈树宏 | Device for welding finned tube |
| CN203944671U (en) * | 2014-05-04 | 2014-11-19 | 济南卓达机械设备有限公司 | Welding seams of round pipe trimmer |
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|---|---|
| CN110102597A (en) | 2019-08-09 |
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