CN116765179A - Large pipe bending and forming equipment - Google Patents
Large pipe bending and forming equipment Download PDFInfo
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- CN116765179A CN116765179A CN202311040849.7A CN202311040849A CN116765179A CN 116765179 A CN116765179 A CN 116765179A CN 202311040849 A CN202311040849 A CN 202311040849A CN 116765179 A CN116765179 A CN 116765179A
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- 238000005452 bending Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000000670 limiting effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The application provides large pipe bending and forming equipment which comprises two door-shaped frames, a pressing component, a supporting component and two groups of pushing components; the lower pressing component is connected between the upper ends of the two door-shaped frames, and is connected with an upper die; the support assembly is arranged below the pressing assembly and comprises a bracket and two side die seats, the side die seats are connected above the bracket in a sliding manner along a direction perpendicular to the trend of the bracket, and a lower die is arranged between the two side die seats; the two groups of pushing components are symmetrically arranged on two sides of the supporting component. According to the large pipe bending and forming equipment provided by the application, the upper die is driven by the pressing component to press the top surface of the steel plate, the pushing component transversely pushes the steel plate, so that the steel plate is gradually bent and formed into the open pipe from the edge to the middle part, the two side die seats are connected to the support in a sliding manner, and can be close to each other or be far away from each other in a opposite direction so as to adjust the interval between the two side die seats, so that the equipment can meet the forming requirements of large pipes with different pipe diameters, and has good adaptability.
Description
Technical Field
The application belongs to the technical field of pipe molding, and particularly relates to large pipe bending molding equipment.
Background
The method is a progressive bending forming method, and is used for producing and manufacturing large-diameter straight welded pipes.
The pipe is increasingly used in oil and gas pipeline construction, the grade of the steel pipe is increasingly high, and the caliber and the wall thickness of the steel pipe are also increasingly large. Therefore, in the forming process, the rebound quantity of the steel plate after being pressed is increased, meanwhile, the number of times of pressing channels is increased due to the increase of caliber, the multiple factors are integrated together, each parameter of the steel pipe can be synchronously changed, and the transmitted forming equipment is difficult to adjust in a targeted manner, so that the forming precision of the steel pipe is controlled.
Disclosure of Invention
The application aims to provide large pipe bending forming equipment which can be used for forming pipes of different specifications, can effectively improve the forming quality of the pipes and has good applicability.
In order to achieve the above purpose, the application adopts the following technical scheme: provided is a large pipe bending molding apparatus, comprising:
two gate-shaped frames are distributed at intervals along the horizontal direction;
the pressing component is connected between the upper ends of the two door-shaped frames, is provided with a pressing end extending downwards, and is connected with an upper die which extends horizontally and is used for being abutted with the top surface of the steel plate to press the steel plate;
the support assembly is arranged below the pressing assembly and comprises a bracket extending along the trend of the upper die and two side die holders extending along the trend of the bracket respectively, the side die holders are connected above the bracket in a sliding manner along the direction perpendicular to the trend of the bracket, the two side die holders are respectively supported on two sides below the steel plate and are used for being matched with the upper die to bend the steel plate so as to enable the steel plate to gradually enclose an open pipe, and a lower die which is abutted with the peripheral wall of the bottom of the open pipe so as to reduce the opening width of the open pipe is arranged between the two side die holders;
the pushing assemblies are symmetrically arranged on two sides of the supporting assembly and used for supporting the outer side of the open pipe to match the pressing assemblies and the supporting assembly to form the open pipe.
In one possible implementation manner, the support is provided with a plurality of first lead screws for driving the two side die seats to approach or depart from each other in opposite directions so that the distance between the two side die seats corresponds to the specification of the steel pipe, and the first lead screws penetrate through the two side die seats in a direction perpendicular to the trend of the support and are in threaded connection with the side die seats.
In some embodiments, be equipped with the opening on the support upwards, and be used for installing the mount pad of bed die, be equipped with the wedge groove that link up the setting along the extending direction of mount pad on the interior diapire of mount pad, the bottom of bed die is equipped with sliding connection in the wedge piece in the wedge groove, the outside of mount pad is equipped with the retaining member that is used for locking wedge piece to the wedge inslot, the both sides of mount pad still are equipped with a plurality of gusset respectively, a plurality of gusset sets up along the trend interval of mount pad.
In some embodiments, be equipped with the lower pocket that the indent set up on the top surface of support, be equipped with in the lower pocket and be used for driving the wedge lifting assembly of mount pad and bed die reciprocates, wedge lifting assembly includes:
the lower wedges are arranged in the lower grooves at intervals along the trend of the mounting seat and are provided with lower guide surfaces which extend downwards obliquely along the trend of the mounting seat;
the second screw rod penetrates through the lower wedge block along the trend of the mounting seat and is used for driving the lower wedge block to move along the trend of the mounting seat, and the second screw rod is positioned above the first screw rod;
the upper wedges are arranged in the lower grooves in a one-to-one correspondence manner, are provided with upper guide surfaces which extend downwards obliquely along the trend of the mounting seat and are in sliding fit with the lower guide surfaces, and a base fixedly connected with the bottom surface of the mounting seat is fixedly connected above the upper wedges;
the two sides of the upper wedge block are outwards protruded from the lower wedge block, a limiting guide rod which upwards penetrates through the base is arranged on the support, and the limiting guide rod penetrates through the base and the mounting seat and is used for guiding the mounting seat to move up and down.
In a possible implementation manner, the supporting component further comprises two groups of supporting components located on two sides of the support respectively, each group of supporting components comprises a plurality of supporting strip seats which are perpendicular to the trend of the support respectively, a plurality of rolling riding wheels are rotationally connected to the supporting strip seats, the main shafts of the rolling riding wheels extend perpendicular to the trend of the supporting strip seats, the peripheral walls of the rolling riding wheels protrude upwards from the supporting components, and the rolling riding wheels are arranged along the trend interval of the supporting strip seats.
In one possible implementation mode, the pushing component comprises a sliding rail which is perpendicular to the trend of the support and a sliding seat which is connected to the sliding rail in a sliding way, the outer end of the sliding seat is connected with a translation driving piece, one side, close to the support, of the sliding seat is rotationally connected with a conical roller which is used for being abutted with the side edge of the steel plate or the peripheral wall of the open pipe to horizontally push the steel plate or the open pipe, the main shaft of the conical roller extends along the up-down direction, and the diameter of the conical roller gradually increases from top to bottom.
In one possible implementation manner, the large pipe bending and forming device further comprises two arc-shaped clamping arms which are respectively hinged below the supporting component and used for embracing the outer side of the open pipe, the middle parts of the arc-shaped clamping arms are hinged to the lower portion of the supporting component through hinge shafts, the arc-shaped clamping arms are respectively connected with a telescopic driving piece, and the telescopic driving piece is provided with an extending end which extends upwards and is connected with the arc-shaped clamping arms.
In some embodiments, the lower end of the telescopic driving piece is hinged with a hinged seat connected with the ground, and the telescopic driving piece comprises:
the lower part of the swing vertical plate is rotationally connected to the hinge seat;
the lower end of the telescopic cylinder is hinged to the swing vertical plate, and the upper end of the telescopic cylinder is rotationally connected with a driving gear;
the guide rack is connected to the swing vertical plate and used for guiding the driving gear to move along the extending direction of the driving gear;
the output rack is parallel to the trend sliding connection of the guide rack on the swing riser and is located one side of the drive gear away from the guide rack, and the upper end of the output rack is hinged to the inner end of the arc-shaped clamping arm and used for driving the arc-shaped clamping arm to vertically swing around the hinge shaft so as to be clasped on the outer side of the open pipe.
In some embodiments, two guide sleeves sleeved on the periphery of the output rack to guide the trend of the output rack are connected to the plate surface of the swing vertical plate, the section of the output rack is arc-shaped, and one side of the output rack, which is close to the driving gear, is provided with a tooth shape meshed with the driving gear.
In one possible implementation manner, the large pipe bending and forming device further comprises a controller, wherein the controller is electrically connected with the telescopic driving piece and the translation driving piece respectively and is used for sending a telescopic instruction to the telescopic driving piece or sending a translation driving instruction to the translation driving piece.
Compared with the prior art, the scheme provided by the embodiment of the application has the advantages that the pressing component drives the upper die to press the top surface of the steel plate, the steel plate is positioned between the two side die seats of the supporting component, the pushing component is combined to push the steel plate, the steel plate is gradually bent and formed into an open pipe from the edge to the middle under the action of the upper die, the lower die and the side die seats, the two side die seats are connected to the support in a sliding manner, and the two side die seats can be close to each other or far away from each other in a opposite direction so as to adjust the interval between the two side die seats, so that the steel plate can meet the forming requirements of large pipes with different pipe diameters, and the large pipe bending device has good adaptability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a large pipe bending and forming device according to an embodiment of the present application;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle according to the embodiment of the present application;
FIG. 3 is a schematic diagram illustrating a front view of the structure of FIG. 1 according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a left-side view of the structure of FIG. 1 according to an embodiment of the present application;
FIG. 5 is a schematic view of the arc arm and telescoping drive of FIG. 1 in one embodiment of the present application;
FIG. 6 is a schematic view of the arc arm and telescoping drive of FIG. 5 in another configuration according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a front view of the bracket, wedge-shaped lifting assembly and mounting base of FIG. 1 according to an embodiment of the present application;
FIG. 8 is a schematic view of the wedge lifter assembly and mounting block of FIG. 7 according to an embodiment of the present application;
FIG. 9 is a schematic view of the wedge lifter assembly and mounting block of FIG. 8 at another angle in accordance with an embodiment of the present application;
fig. 10 is a schematic left-hand view of the wedge-shaped lifting assembly and the mounting base of fig. 7 according to an embodiment of the present application.
Wherein, each reference sign in the figure:
1. a door-shaped frame; 2. pressing down the assembly; 21. an upper die; 3. a support assembly; 31. a bracket; 311. a lower groove; 312. a chute; 32. a side die holder; 33. a lower die; 34. a mounting base; 341. wedge-shaped grooves; 331. wedge blocks; 35. a locking member; 36. rib plates; 37. a first lead screw; 38. a hanging seat; 4. a pushing assembly; 41. a slip rail; 42. a sliding seat; 43. a translation driving member; 44. conical rollers; 5. a wedge-shaped lifting assembly; 51. a lower wedge; 511. a lower guide surface; 52. an upper wedge; 521. an upper guide surface; 53. a second lead screw; 54. a base; 55. a limit guide rod; 56. a limit boss; 6. a support assembly; 61. a supporting strip seat; 62. a rolling riding wheel; 7. an arc-shaped clamping arm; 71. a hinge shaft; 8. a telescopic driving member; 81. swinging the vertical plate; 82. a telescopic cylinder; 83. a guide rack; 84. an output rack; 85. a drive gear; 86. a guide sleeve; 87. and a hinging seat.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 10, a description will be given of a large pipe bending apparatus according to the present application. The large pipe bending and forming equipment comprises two gate-shaped frames 1, a pressing component 2, a supporting component 3 and two groups of pushing components 4, wherein the two gate-shaped frames 1 are distributed at intervals along the horizontal direction; the pressing component 2 is connected between the upper ends of the two door frames 1, the pressing component 2 is provided with a downward extending pressing end, and the downward extending pressing end is connected with an upper die 21 which extends horizontally and is used for being abutted with the top surface of the steel plate to press the steel plate; the support component 3 is arranged below the pressing component 2, the support component 3 comprises a bracket 31 extending along the trend of the upper die 21 and two side die seats 32 extending along the trend of the bracket 31 respectively, the side die seats 32 are connected above the bracket 31 in a sliding manner along the direction perpendicular to the trend of the bracket 31, the two side die seats 32 are respectively supported on two sides below a steel plate and are used for being matched with the upper die 21 to bend the steel plate so as to enable the steel plate to gradually enclose an open pipe, and a lower die 33 which is abutted with the peripheral wall of the bottom of the open pipe so as to reduce the open width of the open pipe is arranged between the two side die seats 32; the two groups of pushing components 4 are symmetrically arranged on two sides of the supporting component 3, and the pushing components 4 are used for supporting the outer side of the open pipe to be matched with the pressing component 2 and the supporting component 3 to form the open pipe.
Compared with the prior art, the large pipe bending and forming equipment provided by the embodiment has the advantages that the pressing component 2 drives the upper die 21 to press the top surface of the steel plate, the steel plate is located between the two side die seats 32 of the supporting component 3, the pushing component 4 is combined to push the steel plate, the steel plate is gradually bent and formed into an open pipe from the edge to the middle under the action of the upper die 21, the lower die 33 and the side die seats 32, the two side die seats 32 are slidably connected on the support 31, the two side die seats are oppositely close to or away from each other to adjust the distance between the two side die seats, and then the large pipe bending and forming equipment can meet the forming requirements of large pipes with different pipe diameters and has good adaptability.
In this embodiment, when bending a steel plate, the pushing component 4 is utilized to push one side edge of the steel plate to the position above the two side mold bases 32, a space for the downward arc-shaped protrusion of the steel plate is formed by utilizing the space between the two side mold bases 32, the supporting function of the lower mold 33 and the pressing function of the upper mold 21 are combined to realize the forming of the radian of the edge position of the steel plate, then the pushing component 4 pushes the steel plate to gradually move to the middle part, and one side of the steel plate is gradually bent into a semicircle. Then, the other side edge of the steel plate is gradually bent towards the middle part of the steel plate, the other side edge of the steel plate is bent into a semicircle, the steel plate forms an open pipe at the moment, then the upper opening of the open pipe is correspondingly positioned below the upper die 21, and the width of the upper opening of the open pipe is reduced through the matching of the upper die 21 and the lower die 33, so that the large pipe which can be welded in the subsequent process step is formed.
When the pipe with larger pipe diameter is formed, a larger interval is needed between the two side die seats 32, when the pipe with smaller pipe diameter is formed, a smaller interval is needed between the two side die seats 32, the two side die seats 32 and the bracket 31 are in sliding connection, the interval between the two side die seats 32 can be conveniently adjusted, further, the forming of pipes with different specifications is matched, the practicability of the device is improved, and the device can be suitable for the forming requirements of pipes with different specifications.
In one possible implementation, referring to fig. 7 to 10, a plurality of first screws 37 for driving the two side mold bases 32 to approach each other or to depart from each other so that the distance between the two side mold bases 32 corresponds to the steel pipe specification are disposed on the bracket 31, and the first screws 37 are perpendicular to the direction of the bracket 31, penetrate through the two side mold bases 32, and are in threaded connection with the side mold bases 32.
In this embodiment, the first screw rod 37 disposed on the bracket 31 and the side mold bases 32 are matched to drive the two side mold bases to move horizontally, so that the two side mold bases slide in opposite directions or back to back, and the distance between the two side mold bases 32 is correspondingly reduced or increased according to the specification requirement of the pipe to be processed, so as to improve the utilization efficiency of the equipment. The structure has good adjusting function, and the positions of the two side die seats 32 on the bracket 31 are convenient to adjust.
In some embodiments, please refer to fig. 7 to 10, a mounting seat 34 with an upward opening for mounting a lower mold 33 is provided on the bracket 31, a wedge groove 341 penetrating along the extending direction of the mounting seat 34 is provided on the inner bottom wall of the mounting seat 34, a wedge block 331 slidingly connected in the wedge groove 341 is provided at the bottom of the lower mold 33, locking members 35 for locking the wedge block 331 into the wedge groove 341 are provided at the outer side of the mounting seat 34, a plurality of rib plates 36 are provided at two sides of the mounting seat 34, and the plurality of rib plates 36 are arranged at intervals along the trend of the mounting seat 34.
In this embodiment, when forming pipes of different specifications, the lower mold 33 should also have different specifications, the lower mold 33 is detachably connected in the mounting seat 34, and the position stability of the lower mold 33 in the up-down direction is ensured by the cooperation of the wedge-shaped block 331 of the lower mold 33 and the wedge-shaped groove 341 on the bottom wall in the mounting groove, so as to avoid the influence of the height dislocation thereof on the forming quality of the pipes.
On this basis, the locking of the relative positions of the lower die 33 and the mounting seat 34 is realized by the abutting fit of the locking member 35 and the lower die 33, so that the reliable mounting of the lower die 33 is ensured, and the mounting efficiency is improved. The locking member 35 may be a threaded connection member such as a bolt or a screw, and may penetrate through the side wall of the mounting seat 34 and be in threaded connection with the mounting seat 34, and the inner end of the locking member 35 is abutted against the outer side wall of the lower mold 33, so that the reliability of the mounting of the lower mold 33 is ensured.
Further, a plurality of rib plates 36 are arranged between the side wall of the mounting seat 34 and the top surface of the bracket 31, so that the position stability of the mounting seat 34 can be improved, and the structural strength of the whole support assembly 3 can be ensured.
In some embodiments, referring to fig. 7 to 10, a lower groove 311 is formed on the top surface of the bracket 31, a wedge-shaped lifting assembly 5 for driving the mounting seat 34 and the lower die 33 to move up and down is formed in the lower groove 311, the wedge-shaped lifting assembly 5 includes a plurality of lower wedges 51, a second screw 53 and a plurality of upper wedges 52, the plurality of lower wedges 51 are arranged in the lower groove 311 at intervals along the direction of the mounting seat 34, and the lower wedges 51 have lower guiding surfaces 511 extending obliquely downward along the direction of the mounting seat 34; the second lead screw 53 is arranged along the trend of the mounting seat 34 and penetrates through the lower wedge block 51, and is used for driving the lower wedge block 51 to move along the trend of the mounting seat 34, and the second lead screw 53 is positioned above the first lead screw 37; the upper wedges 52 and the lower wedges 51 are arranged in a one-to-one correspondence manner and are positioned in the lower groove 311, the upper wedges 52 are provided with upper guide surfaces 521 which extend downwards obliquely along the trend of the mounting seat 34 and are in sliding fit with the lower guide surfaces 511, and a base 54 fixedly connected with the bottom surface of the mounting seat 34 is fixedly connected above the upper wedges 52;
the two sides of the upper wedge block 52 are outwards protruded from the lower wedge block 51, a limit guide rod 55 which is upwards arranged through the base 54 is arranged on the bracket 31, and the limit guide rod 55 penetrates through the base 54 and the mounting seat 34 and is used for guiding the mounting seat 34 to move up and down.
In this embodiment, a lower recess 311 is provided in the top surface of the bracket 31, which is upwardly open, for mounting the wedge-shaped lift assembly 5. The wedge-shaped lifting assembly 5 realizes the height adjustment of the upper mounting seat 34 and the lower die 33 by the sliding fit of the lower wedge block 51 and the upper wedge block 52 and the guiding action of the upper guide surface 521 and the lower guide surface 511, so that the position height of the lower die 33 can be conveniently adjusted according to the specification of the pipe.
The limit guide rod 55 arranged on the bracket 31 is utilized to limit the horizontal position of the base 54, so that when the lower wedge block 51 moves horizontally, the horizontal projection position of the upper wedge block 52 is stable, and at the moment, the upper wedge block 52 can only drive the base 54, the mounting seat 34 and the lower die 33 above to move up and down, thereby realizing the lifting effect, and further enabling the lower die 33 to adjust the height according to the specifications of the pipe, so as to ensure the forming effect of the pipe.
Specifically, when the pipe is large in size, the distance between the two side mold bases 32 should be increased, the lower mold 33 with the corresponding specification should be replaced, the process also involves adjusting the height of the lower mold 33, and the height should be increased to approach the height of the side mold bases 32, so as to match the radian requirement of the large-size pipe, and improve the molding precision of the pipe.
Further, the upper end of the guide rod is provided with a limit boss 56, so that the upward moving height of the base 54 seat can be limited, the base 54 is prevented from falling out from the upper part of the guide rod, and the stable operation of the equipment is ensured.
The support 31 is provided with two sliding grooves 312 which are arranged on two sides of the mounting seat 34 and are used for accommodating the side die holder 32, the lower part of the side die holder 32 is slidably connected in the sliding grooves 312, the first lead screw 37 can be arranged below the second lead screw 53 through the arrangement, the avoidance of the structure of the second lead screw 53 can be realized on the premise of meeting the driving effect of the side die holder 32, the lifting driving effect of the second lead screw 53 on the lower die 33 is ensured, and the reasonable layout of the structure is realized.
In a possible implementation, please refer to fig. 1 to 4, the support assembly 3 further includes two sets of support assemblies 6 respectively located at two sides of the support 31, each set of support assemblies 6 includes a plurality of support bar seats 61 respectively disposed perpendicular to the direction of the support 31, a plurality of rolling supporting rollers 62 are rotatably connected to the support bar seats 61, the main shafts of the rolling supporting rollers 62 extend perpendicular to the direction of the support bar seats 61, and the peripheral walls protrude upwards from the support assemblies 6, and the rolling supporting rollers 62 are disposed at intervals along the direction of the support bar seats 61.
In this embodiment, the supporting members 6 disposed at both sides of the support 31 are used for supporting the lower sides of the steel plate, and the pushing members 4 are combined to move the position of the steel plate to be bent and correspondingly located above the lower mold 33. When one side of the steel plate is bent gradually, the bent side steel plate is bent gradually into an arc shape and supported above the two side mold bases 32, and at this time, the upper part of the support member 6 on the bent side is in an empty state.
On this basis, be equipped with the ascending bearing groove of opening on the bearing strip seat 61, the gyro wheel riding wheel rotates to be connected in the bearing inslot, and the axial of rolling riding wheel 62 is on a parallel with the extending direction setting of bed die 33, and the perisporium of rolling riding wheel 62 upwards protrudes in bearing strip seat 61, realizes the rolling fit with the steel sheet bottom surface, avoids the steel sheet translation in-process to take place the surface damage, has improved the conveying efficiency of steel sheet, has guaranteed the accuracy of steel sheet bending position.
In a possible implementation manner, referring to fig. 1 to 4, the pushing component 4 includes a sliding rail 41 disposed perpendicular to the direction of the support 31 and a sliding seat 42 slidably connected to the sliding rail 41, a translation driving member 43 is connected to an outer end of the sliding seat 42, a tapered roller 44 for horizontally pushing the steel plate or the open pipe is rotatably connected to a side of the sliding seat 42 close to the support 31 and is abutted against a side edge of the steel plate or the open pipe, a main shaft of the tapered roller 44 extends along an up-down direction, and a diameter of the tapered roller 44 gradually increases from top to bottom.
In this embodiment, the pushing component 4 drives the conical roller 44 above to translate and abut against the side edge or the peripheral wall of the steel plate by utilizing the cooperation of the sliding seat 42 and the sliding rail 41, and makes the steel plate move laterally by pushing the side edge of the steel plate, so that the part to be bent is correspondingly positioned below the upper die 21, and bending accuracy is ensured.
Specifically, the sliding seat 42 has an opening facing to one side of the lower die 33, and is used for installing the tapered roller 44, and after the tapered roller 44 is installed, the peripheral wall of the tapered roller is outwards protruded from the installation seat 34, so that the abutting and pushing effects on the edge of the steel plate or the peripheral wall of the open pipe can be realized.
On this basis, the sectional area of tapered roller 44 becomes gradually enlarged from top to bottom, and tapered roller 44's setting is convenient for carry out the butt spacing to the perisporium of opening tubular product after the shaping of follow-up steel sheet into opening tubular product, guarantees that the perisporium in arc region can obtain reliable spacing, avoids pushing down the problem that the dislocation of in-process opening tubular product position leads to the fact bending precision poor.
In one possible implementation, please refer to fig. 1 to 6, the large pipe bending apparatus further includes two arc-shaped clamping arms 7 hinged below the supporting component 3 respectively and used for embracing the outer side of the open pipe, the middle part of the arc-shaped clamping arms 7 is hinged at the lower part of the supporting component 3 through a hinge shaft 71, the arc-shaped clamping arms 7 are respectively connected with a telescopic driving piece 8, and the telescopic driving piece 8 has an overhanging end extending upwards and connected with the arc-shaped clamping arms 7.
In this embodiment, in the process of buckling the steel plate, the arc clamping arms 7 below the support 31 are used for clamping and limiting the outer peripheral wall which is formed into a semicircular shape in a buckling mode, so that the pushing component 4 is matched to limit the pipe, the buckling precision of the buckling position is improved, and the limiting effect of different axial positions is guaranteed.
In some embodiments, referring to fig. 5 and 6, a hinge seat 87 connected to the ground is hinged to the lower end of the telescopic driving member 8, the telescopic driving member 8 includes a swing riser 81, a telescopic cylinder 82, a guide rack 83 and an output rack 84, and the lower portion of the swing riser 81 is rotatably connected to the hinge seat 87; the lower end of the telescopic cylinder 82 is hinged on the swing vertical plate 81, and the upper end of the telescopic cylinder is rotatably connected with a driving gear 85; a guide rack 83 is connected to the swing riser 81 for guiding the driving gear 85 to move in the extending direction thereof; the output rack 84 is parallel to the trend of the guide rack 83, is slidably connected to the swing riser 81, and is located on one side of the driving gear 85 away from the guide rack 83, and the upper end of the output rack 84 is hinged to the inner end of the arc-shaped clamping arm 7, so as to drive the arc-shaped clamping arm 7 to swing vertically around the hinge shaft 71 to be clasped on the outer side of the open pipe.
In this embodiment, the telescopic driving piece 8 is used for driving the arc-shaped clamping arm 7 to swing vertically, so as to achieve the limiting and holding effects on the outer peripheral wall of the open pipe. The lower part of the supporting component 3 (namely, the lower part of the bracket 31) is provided with two symmetrically arranged hanging seats 38, the middle part of the arc-shaped clamping arm 7 is hinged on the hanging seats 38 through a hinge shaft 71, and the outer end of the arc-shaped clamping arm 7 is used for embracing the periphery of an opening pipe to realize the limiting effect on the opening pipe.
Specifically, two or more groups of arc-shaped clamping arms 7 can be distributed in the extending direction of the lower die 33, two adjacent groups of arc-shaped clamping arms 7 can be installed through the same hanging seat 38, and the arrangement of the plurality of groups of arc-shaped clamping arms 7 limits different axial positions of the open pipe, so that the bending precision of the bending part is ensured.
On this basis, utilize flexible cylinder 82 to drive the drive gear 85 rotation, under the effect of guide rack 83, drive gear 85 can drive output rack 84 along its trend removal, and this setting method makes output rack 84 not only have the same overhanging volume with flexible cylinder 82, has still increased the stroke volume that produces when drive gear 85 and output rack 84 intermesh, is convenient for reduce flexible cylinder 82's specification, reduces the space occupation, reduction equipment cost.
In some embodiments, referring to fig. 5 and 6, two guide sleeves 86 sleeved on the periphery of the output rack 84 are connected to the plate surface of the swing riser 81 to guide the output rack 84, the section of the output rack 84 is circular arc, and one side of the output rack 84 near the driving gear 85 is provided with a tooth shape meshed with the driving gear 85. The arrangement of the guide sleeve 86 can limit and guide the trend of the conveying racks, ensures the meshing effect of the driving gear 85, the guide racks 83 and the output racks 84, and improves the stability of structural operation.
In one possible implementation, the large pipe bending apparatus further includes a controller electrically connected to the telescopic driving member 8 and the translational driving member 43, respectively, for sending a telescopic command to the telescopic driving member 8 or sending a translational driving command to the translational driving member 43. The automatic control of the equipment is realized by the controller, and the arc-shaped clamping arms 7 can be duly wrapped on the periphery of the pipe by sending a telescopic instruction. And the molding precision of the pipe is ensured.
On the basis, the controller can be electrically connected with the translation driving piece 43 and send a translation driving instruction to the translation driving piece 43, so that automatic operation of the equipment is realized.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. Large-scale tubular product former of bending, its characterized in that includes:
two gate-shaped frames are distributed at intervals along the horizontal direction;
the pressing component is connected between the upper ends of the two door-shaped frames and is provided with a downward extending pressing end, and the downward extending pressing end is connected with an upper die which horizontally extends and is used for being abutted with the top surface of the steel plate to press the steel plate;
the support assembly is arranged below the pressing assembly and comprises a bracket extending along the trend of the upper die and two side die seats respectively extending along the trend of the bracket, the side die seats are connected above the bracket in a sliding manner along the direction perpendicular to the trend of the bracket, the two side die seats are respectively supported on two sides below the steel plate and are used for being matched with the upper die to bend the steel plate so as to gradually enclose the steel plate into an open pipe, and a lower die which is abutted with the bottom peripheral wall of the open pipe so as to reduce the opening width of the open pipe is arranged between the two side die seats;
the two groups of pushing assemblies are symmetrically arranged on two sides of the supporting assembly, and the pushing assemblies are used for supporting the outer sides of the open pipe to match the pressing assemblies and the supporting assemblies to form the open pipe.
2. The large pipe bending and forming device according to claim 1, wherein the support is provided with a plurality of first lead screws for driving the two side die seats to approach or depart from each other in a reverse direction so that the distance between the two side die seats corresponds to the specification of the steel pipe, and the first lead screws penetrate through the two side die seats in a direction perpendicular to the trend of the support and are in threaded connection with the side die seats.
3. The large pipe bending and forming equipment according to claim 2, wherein the bracket is provided with an installation seat with an upward opening and used for installing the lower die, the inner bottom wall of the installation seat is provided with a wedge-shaped groove which is arranged in a penetrating manner along the extending direction of the installation seat, the bottom of the lower die is provided with wedge-shaped blocks which are connected in the wedge-shaped groove in a sliding manner, the outer side of the installation seat is provided with locking pieces used for locking the wedge-shaped blocks into the wedge-shaped groove, and two sides of the installation seat are respectively provided with a plurality of rib plates which are arranged along the trend interval of the installation seat.
4. The large pipe bending and forming device according to claim 3, wherein a lower groove is formed in the top surface of the bracket, a wedge-shaped lifting assembly for driving the mounting seat and the lower die to move up and down is arranged in the lower groove, and the wedge-shaped lifting assembly comprises:
the lower wedges are arranged in the lower grooves at intervals along the trend of the mounting seat, and each lower wedge is provided with a lower guide surface which extends obliquely downwards along the trend of the mounting seat;
the second lead screw penetrates through the lower wedge block along the trend of the mounting seat and is used for driving the lower wedge block to move along the trend of the mounting seat, and the second lead screw is positioned above the first lead screw;
the upper wedges are arranged in the lower grooves in a one-to-one correspondence manner, are provided with upper guide surfaces which extend downwards obliquely along the trend of the mounting seat and are in sliding fit with the lower guide surfaces, and a base fixedly connected with the bottom surface of the mounting seat is fixedly connected above the upper wedges;
the two sides of the upper wedge block are outwards protruded from the lower wedge block, a limiting guide rod which upwards penetrates through the base is arranged on the support, and the limiting guide rod penetrates through the base and the mounting seat and is used for guiding the mounting seat to move up and down.
5. The large pipe bending and forming equipment according to claim 1, wherein the supporting assembly further comprises two groups of supporting assemblies respectively positioned at two sides of the support, each group of supporting assemblies comprises a plurality of supporting strip seats respectively perpendicular to the trend of the support, a plurality of rolling riding wheels are rotatably connected to the supporting strip seats, the main shafts of the rolling riding wheels extend perpendicular to the trend of the supporting strip seats, the peripheral walls of the rolling riding wheels protrude upwards from the supporting assemblies, and the rolling riding wheels are arranged along the trend interval of the supporting strip seats.
6. The large pipe bending and forming equipment according to any one of claims 1 to 5, wherein the pushing component comprises a sliding rail which is perpendicular to the trend of the support and a sliding seat which is connected to the sliding rail in a sliding manner, the outer end of the sliding seat is connected with a translation driving piece, one side, close to the support, of the sliding seat is rotatably connected with a conical roller which is used for being abutted against the side edge of a steel plate or the peripheral wall of an opening pipe so as to horizontally push the steel plate or the opening pipe, the main shaft of the conical roller extends along the up-down direction, and the diameter of the conical roller gradually increases from top to bottom.
7. The large pipe bending and forming equipment according to any one of claims 1 to 5, further comprising two arc-shaped clamping arms hinged below the supporting component respectively and used for embracing the outer side of the open pipe, wherein the middle parts of the arc-shaped clamping arms are hinged to the lower part of the supporting component through hinge shafts, and the arc-shaped clamping arms are respectively connected with telescopic driving pieces, and the telescopic driving pieces are provided with overhanging ends which extend upwards and are connected with the arc-shaped clamping arms.
8. The large pipe bending apparatus according to claim 7, wherein the lower end of the telescopic driving member is hinged with a hinge seat connected to the ground, and the telescopic driving member comprises:
the lower part of the swing vertical plate is rotationally connected to the hinge seat;
the lower end of the telescopic cylinder is hinged to the swing vertical plate, and the upper end of the telescopic cylinder is rotationally connected with a driving gear;
the guide rack is connected to the swing vertical plate and used for guiding the driving gear to move along the extending direction of the driving gear;
the output rack is parallel to the trend sliding connection of the guide rack in on the swing riser and is located the drive gear is far away from one side of the guide rack, the upper end of the output rack articulate in the inner of arc arm lock is used for driving the arc arm lock is around articulated shaft vertical swing is in order to hug in the opening tubular product outside.
9. The large pipe bending and forming device according to claim 8, wherein two guide sleeves sleeved on the periphery of the output rack are connected to the plate surface of the swing vertical plate so as to guide the trend of the output rack, the section of the output rack is arc-shaped, and one side of the output rack, which is close to the driving gear, is provided with tooth shapes meshed with the driving gear.
10. The large pipe bending apparatus of claim 7, further comprising a controller electrically connected to the telescoping drive, the controller configured to send telescoping commands to the telescoping drive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040849.7A CN116765179B (en) | 2023-08-18 | 2023-08-18 | Large pipe bending and forming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040849.7A CN116765179B (en) | 2023-08-18 | 2023-08-18 | Large pipe bending and forming equipment |
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| CN116765179A true CN116765179A (en) | 2023-09-19 |
| CN116765179B CN116765179B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN117619977A (en) * | 2024-01-23 | 2024-03-01 | 山西军昊实业有限公司 | Interval adjustable sound barrier metal cell board stamping equipment |
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| Publication number | Publication date |
|---|---|
| CN116765179B (en) | 2023-10-20 |
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