CN109365601B - Large-curvature small-curvature one-step forming device for pipes - Google Patents
Large-curvature small-curvature one-step forming device for pipes Download PDFInfo
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- CN109365601B CN109365601B CN201810720797.0A CN201810720797A CN109365601B CN 109365601 B CN109365601 B CN 109365601B CN 201810720797 A CN201810720797 A CN 201810720797A CN 109365601 B CN109365601 B CN 109365601B
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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
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
Abstract
The invention relates to the technical field of pipe processing, and discloses a large-curvature small-curvature one-step forming device for pipes, which comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a housing, the bottom of the mounting plate is fixedly connected with a power box, the inner bottom of the power box is fixedly connected with a motor arranged in the vertical direction, an output shaft of the motor is positioned at the upper end of the motor, the tail end of the output shaft of the motor is fixedly sleeved with a rotating rod through a coupler, the rotating rod penetrates through the side wall of the mounting plate and extends into the housing, the rotating rod is rotatably connected with the mounting plate, the top of the rotating rod is fixedly connected with a bending die, the inner top of the housing is fixedly connected with a fixed block corresponding to the bending die, one side of the fixed block close to the bending die is provided with a gear groove, and the. The large-curvature and small-curvature one-step forming device for the pipe can complete the forming of the pipe with large curvature and small curvature without replacing processing equipment and processing technology.
Description
Technical Field
The invention relates to the technical field of pipe processing, in particular to a large-curvature small-curvature one-step forming device for a pipe.
Background
In the traditional production of the bent pipe fitting, according to a two-dimensional product pattern, the method of sand filling material hot bending, tailor welding, sand filling material manual cold bending, ordinary machine bending, liquid filling and press bending of the steel pipe and the like is adopted. The traditional bent pipe completely controls the product quality by the experience and the technical skill of an operator, and has more working procedures and complex operation process. The product has larger tubular shape difference, large correction amount, large labor intensity and difficult batch production, the bending quality of a large-diameter pipe is difficult to ensure, the problems of ultra-poor size, wrinkling at the inner radius and the like are often caused, along with the promotion of economic prosperity and humanistic spirit, the conception of modeling in the field of the top protection frame is promoted, a simple linear body does not meet the aesthetic requirements of people, the arc and the curved surface can better reflect the natural and beautiful characteristics, the visual impact force brought by the beautiful and unique modeling can attract the eyes of customers, and the technical innovation of the pipe bending process is required.
The existing pipe bending technology comprises a push bending technology and a bending technology, wherein the push bending technology is characterized in that a sectional material is placed between a central roller and a movable roller which are arranged in a staggered mode, the sectional material is driven to move by friction force generated when the rollers rotate and is bent into a certain shape, but only a large-curvature arc can be formed, and no force is available for bending a small-curvature arc.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a large-curvature small-curvature one-step forming device for a pipe, which has the advantage that the large-curvature small-curvature forming of the pipe can be completed without replacing processing equipment, and solves the problems that different processes and mechanical equipment are used for processing large and small curvatures on one pipe, and time and labor are wasted.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a little camber one shot forming device of big camber for tubular product, includes the mounting panel, the top fixedly connected with housing of mounting panel, the bottom fixedly connected with headstock of mounting panel, the interior bottom fixedly connected with of headstock motor that sets up in the vertical direction, the output shaft of motor is located the upper end of motor, and the output shaft end of motor has cup jointed the bull stick through the shaft coupling, the bull stick runs through the lateral wall of mounting panel, and extends to the inside of housing, the bull stick rotates with the mounting panel and links to each other, the top fixedly connected with of bull stick pushes away the bending die, the interior top fixedly connected with of housing pushes away the corresponding fixed block of bending die, one side that the fixed block is close to the bending die is seted up the gear groove, the inner wall of gear groove is rotated through the bearing and is connected with two and pushes away the corresponding fixed running roller of bending die, one side of fixed, the side, close to the mounting frame, of the fixing block is provided with a limiting groove communicated with the gear groove, the inner wall of the limiting groove is connected with a limiting block in a sliding mode, one end of the limiting block is fixedly connected with the side wall of the mounting frame, the inner wall of the mounting frame is connected with a movable roller corresponding to the bending die in a rotating mode through a bearing, one side, away from the bending die, of the mounting frame is provided with a first hydraulic cylinder, one end of the first hydraulic cylinder is fixedly connected with the inner wall of the housing, a piston rod of the first hydraulic cylinder is fixedly connected with the side wall of the mounting frame, the top of the mounting plate is fixedly connected with a bending die, one side of the bending die is provided with a bending mechanism, the bending mechanism is located at the bottom of the fixing block and corresponds to the fixing block, the bending mechanism comprises a fixing plate, the bottom of the fixing plate is fixedly, the bending die comprises a movable plate, a bending die, a limiting plate, a second hydraulic cylinder, a sliding rod, a first electric push rod, a second electric push rod, a binding pipe die, a second electric push rod, a third electric push rod, a fourth electric, and a piston rod of the second electric push rod is fixedly connected with the side wall of the first electric push rod in the power box.
Preferably, the top fixedly connected with lower (holding) chuck of bull stick, the top of lower (holding) chuck is provided with the (holding) chuck, a plurality of corresponding first screw holes have all been seted up to the lateral wall of (holding) chuck and lower (holding) chuck, it is located between (holding) chuck and the lower (holding) chuck to push away the bending die, and pushes away the lateral wall of bending die and set up a plurality of through-holes corresponding with first screw hole, and is a plurality of the inside of first screw hole and through-hole is provided with hexagon socket head cap screw jointly, it links to each other with the bull stick is fixed to push away the bending die through.
Preferably, a plurality of evenly distributed second screw holes are formed in the top of the fixing block, a plurality of third screw holes opposite to the second screw holes are formed in the top of the housing, a plurality of bolts are connected with the third screw holes and the second screw holes through common internal threads, the side walls of the bolts are all sleeved with large flat pads, and a plurality of spring gaskets are sleeved on the side walls of the bolts between the large flat pads and the bolt heads.
Preferably, a square groove is formed in the side wall of the sliding groove, the side wall of the first electric push rod, which is located in the sliding groove, is fixedly connected with a square block, and the square block is connected with the inner wall of the square groove in a sliding mode.
Preferably, a core rod is arranged at the center of the beam tube die, penetrates through the beam tube die and is connected with the beam tube die in a sliding manner.
Preferably, the side wall of the bending die is fixedly connected with a crease-resist block.
Preferably, one side of the housing is provided with an observation port, and the inner wall of the observation port is fixedly connected with a transparent observation window.
(III) advantageous effects
Compared with the prior art, the invention provides a large-curvature small-curvature one-step forming device for a pipe, which has the following beneficial effects:
1. the one-step forming device with large curvature and small curvature for the pipe is characterized in that one end of the pipe to be processed is fixed on a pipe-bundling die through the arrangement of the pipe-bundling die, at the moment, a second electric push rod is started to push the pipe-bundling die and the pipe on the pipe-bundling die to move towards a bending die, when the pipe is moved to a set position, a first hydraulic cylinder and a motor are started, the first hydraulic cylinder pushes a mounting frame to move, a movable roller in the mounting frame extrudes the pipe, the bending die rotates left and right under the driving of the motor and is matched with the second electric push rod to move left and right to provide auxiliary power for forming a large curvature arc for the pipe, when the large curvature arc is processed, the first electric push rod moves downwards to drive the pipe to enter between the bending die and a fixed plate and is adjusted to the set position through the second electric push rod, at the moment, the second hydraulic cylinder is started to enable a movable plate to rotate, so that the pipe and the bending die, the device realizes the bending of large curvature and small curvature on the same machine at one time, thereby finishing the forming of the large curvature and the small curvature of the pipe without replacing processing equipment, and saving time and labor.
2. This tubular product is with little camber one shot forming device of big camber, through the setting of hollow tube, when the second pneumatic cylinder promoted, the fly leaf received the restriction of hinge and takes place to rotate, drives the hollow tube simultaneously and centers on the piston rod rotation of second pneumatic cylinder, when the fly leaf continues to rotate, and the piston rod of distance second pneumatic cylinder is more and more far away, and the slide bar slides from the hollow tube this moment, keeps the thrust to the fly leaf to make the fly leaf can open and shut under the effect of second pneumatic cylinder.
Drawings
FIG. 1 is a schematic structural view of a large-curvature small-curvature one-step forming device for a pipe according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
In the figure: the device comprises a mounting plate 1, a second hydraulic cylinder 2, a first hydraulic cylinder 3, a housing 4, a fixing block 5, bolts 6, a fixing roller 7, a pipe bundle 8 die, a core rod 9, an upper chuck 10, a bending die 11, a rotating rod 12, a power box 13, a motor 14, a bending die 15, a first electric push rod 16, a movable plate 17, a hollow pipe 18, a mounting frame 19, a chute 20 and a second electric push rod 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a large-curvature small-curvature one-step forming device for pipes comprises a mounting plate 1, a housing 4 is fixedly connected to the top of the mounting plate 1, a power box 13 is fixedly connected to the bottom of the mounting plate 1, a motor 14 is fixedly connected to the inner bottom of the power box 13 and vertically arranged, an output shaft of the motor 14 is located at the upper end of the motor 14, a rotating rod 12 is fixedly connected to the tail end of the output shaft of the motor 14 through a coupler, the rotating rod 12 penetrates through the side wall of the mounting plate 1 and extends into the housing 4, the rotating rod 12 is rotatably connected to the mounting plate 1, a bending die 11 is fixedly connected to the top of the rotating rod 12, a fixing block 5 corresponding to the bending die 11 is fixedly connected to the inner top of the housing 4, a gear groove is formed on one side of the fixing block 5 close to the bending die 11, two fixing rollers 7 corresponding to the bending die 11 are, one side of the fixed block 5 is provided with an installation frame 19, one side of the fixed block 5, which is close to the installation frame 19, is provided with a limiting groove communicated with the gear groove, the inner wall of the limiting groove is connected with a limiting block in a sliding manner, one end of the limiting block is fixedly connected with the side wall of the installation frame 19, the inner wall of the installation frame 19 is rotatably connected with a movable roller wheel corresponding to the bending die 11 through a bearing, one side of the installation frame 19, which is far away from the bending die 11, is provided with a first hydraulic cylinder 3, one end of the first hydraulic cylinder 3 is fixedly connected with the inner wall of the housing 4, a piston rod of the first hydraulic cylinder 3 is fixedly connected with the side wall of the installation frame 19, the top of the installation plate 1 is fixedly connected with a bending die 15, one side of the bending die 15 is provided with a bending mechanism, the bending mechanism is positioned at the, one end of the fixed plate is rotatably connected with a movable plate 17 through a hinge, the top of the movable plate 17 is fixedly connected with a limiting plate, one end of the movable plate 17, which is far away from the bending die 15, is provided with a second hydraulic cylinder 2, the bottom of the second hydraulic cylinder 2 is fixedly connected with the top of the mounting plate 1, a piston rod of the second hydraulic cylinder 2 is rotatably connected with a hollow tube 18 through a rotating shaft, the inner wall of the hollow tube 18 is slidably connected with a slide rod, the slide rod is fixedly connected with one side of the movable plate 17, which is far away from the bending die 15, the top of the mounting plate 1 is provided with a chute 20 communicated with the interior of the power box 13, the chute 20 is positioned between the bending die 15 and the bending mechanism, the inner wall of the chute 20 is slidably connected with a first electric push rod 16 which is vertically arranged, the bottom end of the first electric push, the inner wall of the power box 13 is fixedly connected with a second electric push rod 21, and a piston rod of the second electric push rod 21 is fixedly connected with the side wall of the first electric push rod 16 in the power box 13.
Top fixedly connected with lower (holding) chuck of bull stick 12, the top of lower (holding) chuck is provided with (holding) chuck 10, a plurality of corresponding first screw holes have all been seted up to the lateral wall of (holding) chuck 10 and lower (holding) chuck, push away bending die 11 and be located between (holding) chuck 10 and the lower (holding) chuck, and push away bending die 11's lateral wall and seted up a plurality of through-holes corresponding with first screw hole, the inside of a plurality of first screw holes and through-hole is provided with hexagon socket head cap screw jointly, it links to each other with bull stick 12 is fixed to push away bending die 11 through hexagon socket head cap screw, be convenient for change different specifications push away bending die 11, thereby process the big camber.
A plurality of evenly distributed's second screw hole is seted up at the top of fixed block 5, a plurality of third screw holes relative with the second screw hole are seted up at the top of housing 4, the common threaded connection in inside of a plurality of third screw holes and second screw hole has bolt 6, big flat pad has all been cup jointed to the lateral wall of a plurality of bolts 6, spring washer has all been cup jointed to the lateral wall that a plurality of bolts 6 are located between big flat pad and the bolt head, the dismouting fixed block 5 of being convenient for.
The side wall of the sliding groove 20 is provided with a square groove, the side wall of the first electric push rod 16 in the sliding groove 20 is fixedly connected with a square block, and the square block is connected with the inner wall of the square groove in a sliding manner, so that the first electric push rod 16 cannot fall off when sliding in the sliding groove 20.
The central part of the tube bundle die 8 is provided with a core rod 9, the core rod 9 penetrates through the tube bundle die 8 and is connected with the tube bundle die 8 in a sliding manner, and the core rod 9 is plugged into the tube bundle die 8 and introduced into the hollow pipe according to the actual processing condition, so that the common wrinkling, collapse and interface deformation of the hollow section in the bending process are prevented.
The side wall of the bending die 15 is fixedly connected with an anti-wrinkling block which prevents wrinkling when the pipe is bent by extruding the outer surface of the pipe.
The viewing aperture has been seted up to one side of housing 4, and the inner wall fixedly connected with transparent observation window of viewing aperture is convenient for observe the inside behavior of housing 4.
To sum up, the pipe is formed by fixing one end of a pipe to be processed on a pipe-bundling die 8 by using a large-curvature small-curvature one-step forming device, then starting a second electric push rod 21 to push the pipe-bundling die 8 and the pipe thereon to move towards a bending die 11, when the pipe moves to a set position, starting a first hydraulic cylinder 3 and a motor 14, pushing a mounting frame 19 by the first hydraulic cylinder 3 to move, enabling a movable roller in the mounting frame 19 to extrude the pipe, simultaneously rotating the bending die 11 left and right under the driving of the motor 14 to cooperate with the second electric push rod 21 to move left and right to provide auxiliary power for forming a large-curvature arc of the pipe, when the large-curvature arc is processed, moving a first electric push rod 16 downwards to drive the pipe to enter between the bending die 15 and a fixed plate, and adjusting to the set position by the second electric push rod 21, then starting a second hydraulic cylinder 2, and pushing the second hydraulic cylinder 2, the movable plate 17 is limited by the hinge to rotate, meanwhile, the hollow tube 18 is driven to rotate around the piston rod of the second hydraulic cylinder 2, when the movable plate 17 continues to rotate, the distance from the piston rod of the second hydraulic cylinder 2 is longer and longer, the slide rod slides in the hollow tube 18 at the moment, the thrust on the movable plate 17 is kept, the movable plate 17 is made to rotate, therefore, the pipe and the bending die 15 are made to interact to form a small-curvature arc, the device realizes the bending of large curvature and small curvature on the same machine at one time, the forming of the large curvature and the small curvature of the pipe can be completed without replacing processing equipment, and the time and the labor are saved.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a tubular product is with little camber one shot forming device of big camber, includes mounting panel (1), its characterized in that: the top fixedly connected with housing (4) of mounting panel (1), the bottom fixedly connected with headstock (13) of mounting panel (1), motor (14) that the vertical direction of interior bottom fixedly connected with of headstock (13) set up, the output shaft of motor (14) is located the upper end of motor (14), and the output shaft end of motor (14) has connect bull stick (12) through the fixed cover of shaft coupling, bull stick (12) run through the lateral wall of mounting panel (1), and extend to the inside of housing (4), bull stick (12) rotate with mounting panel (1) and link to each other, the top fixedly connected with of bull stick (12) pushes away curved mould (11), the interior top fixedly connected with of housing (4) and pushes away corresponding fixed block (5) of curved mould (11), gear groove has been seted up near one side of curved mould (11) to fixed block (5), the inner wall of the gear groove is rotatably connected with two fixed rollers (7) corresponding to the bending die (11) through a bearing, one side of the fixed block (5) is provided with an installation frame (19), one side of the fixed block (5) close to the installation frame (19) is provided with a limit groove communicated with the gear groove, the inner wall of the limit groove is slidably connected with a limit block, one end of the limit block is fixedly connected with the side wall of the installation frame (19), the inner wall of the installation frame (19) is rotatably connected with a movable roller corresponding to the bending die (11) through a bearing, one side of the installation frame (19) far away from the bending die (11) is provided with a first hydraulic cylinder (3), one end of the first hydraulic cylinder (3) is fixedly connected with the inner wall of the housing (4), the piston rod of the first hydraulic cylinder (3) is fixedly connected with the side wall of the installation frame (19), and the top of the installation plate (1) is fixedly connected with the bending die, one side of bending die (15) is provided with around the mechanism of bending, around the bottom that the mechanism is located fixed block (5) of bending, and corresponding with fixed block (5), around the mechanism of bending includes the fixed plate, the bottom of fixed plate is fixed continuous with the top of mounting panel (1), the one end of fixed plate is rotated through the hinge and is connected with fly leaf (17), the top fixedly connected with limiting plate of fly leaf (17), the one end that bending die (15) were kept away from in fly leaf (17) is provided with second pneumatic cylinder (2), the bottom of second pneumatic cylinder (2) is fixed continuous with the top of mounting panel (1), the piston rod of second pneumatic cylinder (2) rotates through the pivot and is connected with hollow tube (18), the inner wall sliding connection of hollow tube (18) has the slide bar, the slide bar is fixed continuous with one side that bending die (15) was kept away from with fly leaf (17, the top of the mounting plate (1) is provided with a sliding groove (20) communicated with the interior of the power box (13), the sliding groove (20) is located between the bending die (15) and the bending mechanism, the inner wall of the sliding groove (20) is connected with a first electric push rod (16) in the vertical direction in a sliding mode, the bottom end of the first electric push rod (16) is located inside the power box (13), the top of a piston rod of the first electric push rod (16) is fixedly connected with a tube bundle pipe die (8) corresponding to the bending die (11), the inner wall of the power box (13) is fixedly connected with a second electric push rod (21), and the piston rod of the second electric push rod (21) is fixedly connected with the side wall of the first electric push rod (16) located inside the power box (13);
the top of the rotating rod (12) is fixedly connected with a lower chuck, an upper chuck (10) is arranged above the lower chuck, a plurality of corresponding first threaded holes are formed in the side walls of the upper chuck (10) and the lower chuck, the bending die (11) is positioned between the upper chuck (10) and the lower chuck, a plurality of through holes corresponding to the first threaded holes are formed in the side wall of the bending die (11), inner hexagonal bolts are jointly arranged in the first threaded holes and the through holes, and the bending die (11) is fixedly connected with the rotating rod (12) through the inner hexagonal bolts;
the top of the fixing block (5) is provided with a plurality of uniformly distributed second threaded holes, the top of the housing (4) is provided with a plurality of third threaded holes opposite to the second threaded holes, the insides of the third threaded holes and the second threaded holes are connected with bolts (6) through common threads, the side walls of the bolts (6) are all sleeved with large flat cushions, and the side walls of the bolts (6) between the large flat cushions and the bolt heads are all sleeved with spring gaskets;
a square groove is formed in the side wall of the sliding groove (20), a square block is fixedly connected to the side wall, located in the sliding groove (20), of the first electric push rod (16), and the square block is connected with the inner wall of the square groove in a sliding mode;
a core rod (9) is arranged at the center of the beam tube die (8), and the core rod (9) penetrates through the beam tube die (8) and is connected with the beam tube die (8) in a sliding manner;
the side wall of the bending die (15) is fixedly connected with a crease-resist block;
an observation port is formed in one side of the housing (4), and a transparent observation window is fixedly connected to the inner wall of the observation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720797.0A CN109365601B (en) | 2018-07-04 | 2018-07-04 | Large-curvature small-curvature one-step forming device for pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720797.0A CN109365601B (en) | 2018-07-04 | 2018-07-04 | Large-curvature small-curvature one-step forming device for pipes |
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| CN109365601A CN109365601A (en) | 2019-02-22 |
| CN109365601B true CN109365601B (en) | 2020-07-31 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113458209B (en) * | 2021-07-05 | 2023-04-28 | 广州高谱机械科技有限公司 | Variable curvature bending method capable of improving stability of profile |
| CN113926881B (en) * | 2021-10-26 | 2024-04-09 | 中国航发贵州黎阳航空动力有限公司 | Shape correction method and device for deformed casting superalloy casing |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2101162A1 (en) * | 1971-01-12 | 1972-07-20 | J. Banning Ag, 4700 Hamm | Tube bending machine |
| DE2910174A1 (en) * | 1979-03-15 | 1980-09-25 | Benteler Werke Ag | Pipe bending and forming machine - bends pipes to different radii and has three forming rollers mounted on common shaft |
| US4249407A (en) * | 1979-04-02 | 1981-02-10 | Fogleman Boyd C | Apparatus for bending steel tubes |
| US4495788A (en) * | 1982-08-02 | 1985-01-29 | Eaton-Leonard Corporation | Multiple curvature bender |
| GB2275219B (en) * | 1993-02-20 | 1995-06-07 | Btr Plc | Bending of elongate material |
| JP3674091B2 (en) * | 1995-08-28 | 2005-07-20 | 新神戸電機株式会社 | Pipe bending mold |
| CN106270052B (en) * | 2016-08-26 | 2018-08-17 | 北京星航机电装备有限公司 | Long radius thin-wallconduit pushes away o ing method and device |
| CN206325977U (en) * | 2017-01-03 | 2017-07-14 | 保定印杰斯光电设备制造有限公司 | A kind of bonding jumper corner crimping machine for being used to process lamp outer casing |
| CN206335007U (en) * | 2017-01-03 | 2017-07-18 | 惠安华佑机械有限公司 | A kind of automatic pipebender of flexible different-diameter |
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