CN112845920A - Pipe bending clamp of hydraulic numerical control pipe bender - Google Patents

Pipe bending clamp of hydraulic numerical control pipe bender Download PDF

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Publication number
CN112845920A
CN112845920A CN202110028087.3A CN202110028087A CN112845920A CN 112845920 A CN112845920 A CN 112845920A CN 202110028087 A CN202110028087 A CN 202110028087A CN 112845920 A CN112845920 A CN 112845920A
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pipe
wall
fixedly mounted
rod
telescopic
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CN112845920B (en
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洪敏�
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Wiggs Hubei Fluid Technology Co ltd
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, 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
    • B21D43/003Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention relates to the technical field of hydraulic equipment, and discloses a pipe bending clamp of a hydraulic numerical control pipe bender, which comprises an operating platform, a stabilizing component, a clamping component and a bending component, wherein the inner wall of the operating platform is provided with a curved groove, the curved groove can be contacted with a rotating wheel in the process of moving a steel pipe so as to drive the rotating wheel to rotate, the rotating wheel drives a second curved telescopic rod to be contacted with an extrusion rod in the rotating process, so that the second curved telescopic rod is contracted, when the extrusion rod is extruded to the position of a thick pipe of the second curved telescopic rod, the first curved telescopic rod is contracted, the extrusion rod is bent, the extrusion rod is contacted with the other second curved telescopic rod, the extrusion process is carried out again, the gas contracted by the second curved telescopic rod enters a connecting rod and enters an inner ring, the gas enters a transverse pipe along an inner ring and a vertical pipe through the inner ring, the clamping component is continuously inflated, and the contact between the clamping, the stability of the steel pipe in the bending process is ensured.

Description

Pipe bending clamp of hydraulic numerical control pipe bender
Technical Field
The invention relates to the technical field of hydraulic equipment, in particular to a pipe bending clamp of a hydraulic numerical control pipe bender.
Background
Bend article, very simple, only need use the power that is greater than the intensity of article just can bend article, but accomplish accurate bending, just need use the numerical control to go on, through the precision control of machine, realize the accurate bending of article, the operation of this kind of bending generally uses is in auto-parts, and the required pipeline of pipeline is bent.
The hydraulic numerical control pipe bending machine on the general market can finish the required bending angle only by inputting and programming the required bending angle in the process of bending a pipeline, but in the actual use process, the pipe bending time for bending is prolonged, the pipeline clamping force is insufficient, the bending angle is deviated, even the unstable pipeline clamping condition causes the human injury, and therefore the pipe bending clamp of the hydraulic numerical control pipe bending machine is pushed out, and the problem is solved.
Disclosure of Invention
In order to achieve the purpose of stable clamping force, the invention provides the following technical scheme: the utility model provides a return bend anchor clamps of hydraulic pressure numerical control bending machine, includes operation panel, stabilizing component, clamping components and the subassembly of buckling, curved groove has been seted up to the inner wall of operation panel, the front fixed mounting of operation panel and stabilizing components's back fixed connection, stabilizing components's inner wall swing joint has the steel pipe, the inner wall of operation panel and clamping components's back swing joint, the inner wall of operation panel and the back fixed connection of the subassembly of buckling.
As an optimization, the stabilizing component comprises a top box, an outer ring is fixedly mounted at the bottom end of the inner wall of the top box, an extrusion rod is fixedly mounted at the inner wall of the outer ring, a rotating rod is movably connected to the inner wall of the extrusion rod, a first bent telescopic rod is fixedly mounted at the outer wall of the extrusion rod, a first rolling shaft is movably connected to the inner wall of the outer ring, a rotating wheel is movably connected to the outer wall of the first rolling shaft, a second bent telescopic rod is fixedly mounted at the inner wall of the rotating wheel, a connecting rod is fixedly mounted at one end, close to the circle center of the rotating wheel, of the second bent telescopic rod, an inner ring is fixedly mounted at one end, far away from the second bent telescopic rod, of the connecting rod, a vertical pipe.
As optimization, the clamping component includes first commentaries on classics piece, the inner wall top fixed mounting of first commentaries on classics piece has first flexible pipe, the right side fixed mounting of first flexible pipe has the pipe, the bottom fixed mounting of pipe has the bellows, the bottom fixed mounting of bellows has two-way flexible pipe, the bottom fixed mounting of two-way flexible pipe has the flexible pipe of second, the inner wall fixed mounting of the flexible pipe of second has the flexible pipe of third, the left side fixed mounting of the flexible pipe of third has the second roller bearing, the inner wall swing joint of second roller bearing has the kicking block.
As an optimization, the bending assembly comprises a second rotating block, a fixing rod is fixedly mounted at the bottom end of the second rotating block, a turntable is fixedly mounted at one end, far away from the second rotating block, of the fixing rod, a motor is fixedly mounted at the bottom end of the turntable, and a tray is fixedly mounted on the outer wall of the motor.
As optimization, the tray is the cyclic annular circle, and the ring channel has been seted up to the top inner wall of tray, and the inner wall swing joint of ring channel has the slider, and the one end fixed mounting that the ring channel was kept away from to the slider has the bracing piece, and the one end that the slider was kept away from to the bracing piece is connected with the bottom fixed of dead lever for the dead lever can be stabilized to the bracing piece, will and make the second turning block can stably move along curved groove, buckle the steel pipe with this.
As optimization, the dead lever divide into two parts about, and the bottom of dead lever upper portion is provided with the bearing, and the bottom of bearing and the top fixed connection of the lower part of dead lever for the second changes the piece and can stably rotate, and drives the steel pipe and bend work.
Preferably, the number of the outer rings and the structures of the outer rings is four, and the structures of every two outer rings are symmetrically distributed around the horizontal center of the steel pipe, so that the rotating wheel can be driven to rotate in the moving process of the steel pipe, the second bending type telescopic rod is extruded by the extrusion rod, and the gas in the second bending type telescopic rod is guided into the connecting rod.
As optimization, the quantity of first flexible pipe is four, and four first flexible pipes divide into two sets ofly, and the first flexible pipe of every group all uses the horizontal central line symmetric distribution of first commentaries on classics piece, and two sets of first flexible pipe relative one side all is provided with second roller bearing and kicking block, and one side inner wall swing joint that the second roller bearing was kept away from to the kicking block has the ball for the steel pipe is at the in-process of bending, can receive the extrusion of kicking block, keeps under the stable circumstances of steel pipe, can cooperate the ball to make the steel pipe can remove, prevents that the steel pipe card from dying, leads to bending process steel pipe fracture.
As optimization, violently manage and be L type pipe, and violently manage the one end of keeping away from the standpipe and pass through three-way valve and pipe fixed connection, and violently manage and divide into two parts from top to bottom, and the outer wall fixed mounting of upper portion has a bearing, and the bottom swing joint of bearing is on violently managing the top of lower part for first commentaries on classics piece can rotate, prevents to lead to the steel pipe process of bending fracture extremely with the steel pipe card.
The invention has the beneficial effects that: this return bend anchor clamps of hydraulic pressure numerical control bending machine, use with the cooperation of stabilizing the subassembly through the steel pipe, make the in-process that removes at the steel pipe, can with rotate the wheel contact, drive with this and rotate the wheel rotation, rotate wheel pivoted in-process, drive the contact of second bending telescopic link and stripper, make the shrink of second bending telescopic link, and simultaneously, when the stripper extrudees to the thick pipe position of second bending telescopic link, first bending telescopic link shrink, with this stripper is buckled, thereby contact with another second bending telescopic link, carry out the extrusion process once more, and the gas that the second bending telescopic link shrunk gets into in the connecting rod, and in getting into the inner circle, gas passes through the inner circle and gets into violently the pipe along the standpipe, with this constantly carry out the inflation process for clamping component, increase clamping component and the contact of steel pipe, thereby guarantee the stability of steel pipe in the bending process.
The pipe bending clamp of the hydraulic numerical control pipe bender is used by matching the transverse pipe with the guide pipe, so that after gas enters the guide pipe along the transverse pipe, the gas enters the first extension tube to extend the first extension tube, so as to drive the ejector block to extrude the steel tube, meanwhile, redundant gas enters the corrugated pipe and enters the two-way expansion pipe, the gas is introduced into the first expansion pipe at the two sides of the top end of the first rotating block, the gas enters the second expansion pipe, and the gas is introduced into the third expansion pipe, the two-way extension tubes move to the opposite side, the gas in the corrugated tube is extruded into the first extension tube, and the third extension tube is extended to extrude the steel tube, so as to ensure the stability of the steel tube, and the ball on the top block, can guarantee steel pipe stability, can provide the condition of removing for the steel pipe, guarantee that the steel pipe can not block the condition that leads to the fracture at the in-process of bending.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of a first rotor block structure according to the present invention;
FIG. 3 is a front cross-sectional view of the outer ring structure of the present invention;
FIG. 4 is a schematic sectional elevation view of the structure of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.
In the figure: 1. an operation table; 2. bending a groove; 3. a stabilizing assembly; 301. a set-top box; 302. an outer ring; 303. an extrusion stem; 304. a rotating rod; 305. a first bent telescopic rod; 306. a first roller; 307. a rotating wheel; 308. a second bent telescopic rod; 309. a connecting rod; 310. a vertical tube; 311. a transverse tube; 312. an inner ring; 4. a steel pipe; 5. a clamping assembly; 501. a first rotating block; 502. a first telescopic tube; 503. a conduit; 504. a bellows; 505. a bidirectional telescopic pipe; 506. a second telescopic tube; 507. a third telescopic pipe; 508. a second roller; 509. a top block; 6. a bending assembly; 601. a second rotating block; 602. fixing the rod; 603. a turntable; 604. a motor; 605. a tray.
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. 1-5, a pipe bending fixture of a hydraulic numerical control pipe bender includes an operation table 1, a stabilizing assembly 3, a clamping assembly 5 and a bending assembly 6, wherein a bending groove 2 is formed on an inner wall of the operation table 1, the front side of the operation table 1 is fixedly mounted and fixedly connected with the back side of the stabilizing assembly 3, the inner wall of the stabilizing assembly 3 is movably connected with a steel pipe 4, the inner wall of the operation table 1 is movably connected with the back side of the clamping assembly 5, and the inner wall of the operation table 1 is fixedly connected with the back side of the bending assembly 6.
Referring to fig. 3-4, the stabilizing assembly 3 includes a top box 301, an outer ring 302 is fixedly mounted at a bottom end of an inner wall of the top box 301, an extruding rod 303 is fixedly mounted at an inner wall of the outer ring 302, an inner wall of the extruding rod 303 is movably connected with a rotating rod 304, a first bent telescopic rod 305 is fixedly mounted at an outer wall of the extruding rod 303, a first roller 306 is movably connected with an inner wall of the outer ring 302, a rotating wheel 307 is movably connected with an outer wall of the first roller 306, a second bent telescopic rod 308 is fixedly mounted at an inner wall of the rotating wheel 307, a connecting rod 309 is fixedly mounted at one end of the second bent telescopic rod 308 close to a circle center of the rotating wheel 307, an inner ring 312 is fixedly mounted at one end of the connecting rod 309 far from the second bent telescopic rod 308, a vertical tube.
Referring to fig. 2, the clamping assembly 5 includes a first rotating block 501, a first telescopic tube 502 is fixedly installed at the top end of the inner wall of the first rotating block 501, a guide tube 503 is fixedly installed at the right side of the first telescopic tube 502, a corrugated tube 504 is fixedly installed at the bottom end of the guide tube 503, a two-way telescopic tube 505 is fixedly installed at the bottom end of the corrugated tube 504, a second telescopic tube 506 is fixedly installed at the bottom end of the two-way telescopic tube 505, a third telescopic tube 507 is fixedly installed at the inner wall of the second telescopic tube 506, a second roller 508 is fixedly installed at the left side of the third telescopic tube 507, and a top block 509 is movably connected.
Referring to fig. 4, the bending assembly 6 includes a second rotating block 601, a fixing rod 602 is fixedly mounted at a bottom end of the second rotating block 601, a rotating disc 603 is fixedly mounted at an end of the fixing rod 602 away from the second rotating block 601, a motor 604 is fixedly mounted at a bottom end of the rotating disc 603, and a tray 605 is fixedly mounted on an outer wall of the motor 604.
Referring to fig. 4, the tray 605 is an annular ring, an annular groove is formed in the inner wall of the top end of the tray 605, a slider is movably connected to the inner wall of the annular groove, a support rod is fixedly installed at one end of the slider far from the annular groove, and one end of the support rod far from the slider is fixedly connected to the bottom end of the fixed rod 602, so that the fixed rod 602 can be stabilized by the support rod, and the second rotating block 601 can stably move along the curved groove 2, thereby bending the steel pipe 4.
Referring to fig. 4, the fixing rod 602 is divided into an upper portion and a lower portion, and a bearing is disposed at a bottom end of the upper portion of the fixing rod 602, and a bottom end of the bearing is fixedly connected to a top end of a lower portion of the fixing rod 602, so that the second rotating block 601 can stably rotate and drive the steel pipe 4 to perform bending work.
Referring to fig. 3-4, the number of the outer ring 302 and the structure of the outer ring 302 is four, and each two outer rings 302 and the structure of the outer ring 302 are symmetrically distributed about the horizontal center of the steel tube 4, so that the rotating wheel 307 can be driven to rotate during the movement of the steel tube 4, and the second bending expansion rod 308 can extrude the extrusion rod 303, thereby guiding the air in the second bending expansion rod 308 into the connecting rod 309.
Referring to fig. 2, the number of the first telescopic pipes 502 is four, and the four first telescopic pipes 502 are divided into two groups, each group of the first telescopic pipes 502 is symmetrically distributed about the horizontal center line of the first rotating block 501, the second rollers 508 and the ejector block 509 are disposed on opposite sides of the two groups of the first telescopic pipes 502, and balls are movably connected to an inner wall of one side of the ejector block 509 away from the second rollers 508, so that the steel pipe 4 can be extruded by the ejector block 509 during bending, and the steel pipe 4 can be moved by matching with the balls under the condition of keeping the steel pipe 4 stable, thereby preventing the steel pipe 4 from being stuck and causing the steel pipe 4 to be broken during bending.
Referring to fig. 4, the horizontal tube 311 is an L-shaped tube, one end of the horizontal tube 311 away from the vertical tube 310 is fixedly connected to the guide tube 503 through a three-way valve, the horizontal tube 311 is divided into an upper portion and a lower portion, a bearing is fixedly mounted on an outer wall of the upper portion, and a bottom end of the bearing is movably connected to a top end of a lower portion of the horizontal tube 311, so that the first rotating block 501 can rotate to prevent the steel tube 4 from being jammed and breaking in the bending process of the steel tube 4.
In use, referring to fig. 1-5, a steel tube 4 passes through the top box 301 and contacts with the outer walls of the first rotating block 501 and the second rotating block 601, the motor 604 is turned on, the motor 604 rotates to drive the rotating disc 603 to rotate, the rotating disc 603 drives the fixing rod 602 to rotate, the fixing rod 602 drives the second rotating block 601 to move along the curved slot 2, so as to bend the steel tube 4, at this time, the supporting rod rotates along the tray 605, so as to ensure the stable movement of the second rotating block 601 and prevent the deviation, meanwhile, the steel tube 4 will continue to move towards the direction of the second rotating block 601 during the bending process, so that the steel tube 4 drives the rotating wheel 307 to rotate, the rotating wheel 307 drives the second curved telescopic rod 308 to contact with the extruding rod 303, so as to contract the second curved telescopic rod 308, and at the same time, when the extruding rod 303 extrudes to the position of the second curved telescopic rod 308, the first curved telescopic rod 305 contracts, the extrusion rod 303 is bent to contact with another second bending type expansion rod 308, the extrusion process is carried out again, the gas contracted by the second bending type expansion rod 308 enters the connecting rod 309 and enters the inner ring 312, the gas enters the transverse pipe 311 along the vertical pipe 310 through the inner ring 312 and then enters the guide pipe 503, the guide pipe 503 guides the gas into the first expansion pipe 502, the first expansion pipe 502 is extended, the top block 509 is pushed to extrude the steel pipe 4, meanwhile, the gas enters the corrugated pipe 504, the gas enters the two-way expansion pipe 505 and enters the first expansion pipe 502 at two sides of the top of the first rotating block 501, the gas is extended to extrude the steel pipe 4, meanwhile, the gas enters the second expansion pipe 506 along the two-way expansion pipe 505, the second expansion pipe 506 is extended, so that the two-way expansion pipes 505 are pushed to move to the opposite sides, and the gas in the corrugated pipe 504 is extruded into the first expansion pipe 502, redundant gas enters the third extension tube 507 again, so that the third extension tube 507 is extended to drive the ejector block 509 to extrude the steel tube 4, the stability of the steel tube 4 is ensured, and the balls on the ejector block 509 can ensure that the steel tube 4 is kept stable and the situation that the steel tube 4 cannot move to cause fracture when being bent is prevented.
To sum up, the pipe bending clamp of the hydraulic numerical control pipe bender, when the steel pipe 4 is used in cooperation with the stabilizing component 3, can contact with the rotating wheel 307 during the movement of the steel pipe 4, so as to drive the rotating wheel 307 to rotate, and during the rotation of the rotating wheel 307, the second bending expansion rod 308 is driven to contact with the extrusion rod 303, so as to contract the second bending expansion rod 308, meanwhile, when the extrusion rod 303 is extruded to the position of the thick pipe of the second bending expansion rod 308, the first bending expansion rod 305 contracts, so as to bend the extrusion rod 303, so as to contact with the other second bending expansion rod 308, so as to perform the extrusion process again, and the gas contracted by the second bending expansion rod 308 enters the connecting rod 309 and enters the inner ring 312, and the gas enters the horizontal pipe 311 through the inner ring 312 and the vertical pipe 310, so as to perform the inflation process for the clamping component 5, thereby increasing the contact between the clamping component 5 and the steel pipe 4, therefore, the stability of the steel pipe 4 in the bending process is ensured, after the gas enters the guide pipe 503 along the transverse pipe 311, the gas enters the first extension pipe 502, the first extension pipe 502 is extended to drive the jacking block 509 to extrude the steel pipe 4, meanwhile, the redundant gas enters the corrugated pipe 504, the gas enters the two-way extension pipe 505, the gas is introduced into the first extension pipe 502 at two sides of the top end of the first rotating block 501, the gas enters the second extension pipe 506, the gas is introduced into the third extension pipe 507, simultaneously, the two-way extension pipes 505 move towards opposite sides, the gas in the corrugated pipe 504 is extruded into the first extension pipe 502, the third extension pipe 507 is extended to extrude the steel pipe 4, the stability of the steel pipe 4 is ensured, the balls on the jacking block 509 can provide moving conditions for the steel pipe 4 while the stability of the steel pipe 4 is ensured, and the steel pipe 4 is ensured to be bent, the situation of fracture caused by blocking can be avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides a return bend anchor clamps of hydraulic pressure numerical control bending machine, includes operation panel (1), stabilizes subassembly (3), presss from both sides tight subassembly (5) and bends subassembly (6), its characterized in that: curved groove (2) have been seted up to the inner wall of operation panel (1), the front fixed mounting of operation panel (1) and the back fixed connection who stabilizes subassembly (3), the inner wall swing joint who stabilizes subassembly (3) has steel pipe (4), the inner wall of operation panel (1) and the back swing joint of clamping component (5), the inner wall of operation panel (1) and the back fixed connection of the subassembly of buckling (6).
2. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 1, characterized in that: the stabilizing component (3) comprises a top box (301), an outer ring (302) is fixedly mounted at the bottom end of the inner wall of the top box (301), an extrusion rod (303) is fixedly mounted on the inner wall of the outer ring (302), a rotating rod (304) is movably connected to the inner wall of the extrusion rod (303), a first bent telescopic rod (305) is fixedly mounted on the outer wall of the extrusion rod (303), a first rolling shaft (306) is movably connected to the inner wall of the outer ring (302), a rotating wheel (307) is movably connected to the outer wall of the first rolling shaft (306), a second bent telescopic rod (308) is fixedly mounted on the inner wall of the rotating wheel (307), a connecting rod (309) is fixedly mounted at one end, close to the circle center of the rotating wheel (307), of the connecting rod (309) is fixedly mounted at one end, far away from the second bent telescopic rod (308), an inner ring (312) is fixedly mounted at the front side of the inner ring (, and a transverse pipe (311) is fixedly arranged at the bottom end of the vertical pipe (310).
3. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 1, characterized in that: the clamping component (5) comprises a first rotating block (501), a first telescopic pipe (502) is fixedly mounted at the top end of the inner wall of the first rotating block (501), a guide pipe (503) is fixedly mounted at the right side of the first telescopic pipe (502), a corrugated pipe (504) is fixedly mounted at the bottom end of the guide pipe (503), a two-way telescopic pipe (505) is fixedly mounted at the bottom end of the corrugated pipe (504), a second telescopic pipe (506) is fixedly mounted at the bottom end of the two-way telescopic pipe (505), a third telescopic pipe (507) is fixedly mounted at the inner wall of the second telescopic pipe (506), a second roller (508) is fixedly mounted at the left side of the third telescopic pipe (507), and an ejector block (509) is movably connected to the inner wall of the second roller (508).
4. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 1, characterized in that: the bending assembly (6) comprises a second rotating block (601), a fixing rod (602) is fixedly mounted at the bottom end of the second rotating block (601), a turntable (603) is fixedly mounted at one end, far away from the second rotating block (601), of the fixing rod (602), a motor (604) is fixedly mounted at the bottom end of the turntable (603), and a tray (605) is fixedly mounted on the outer wall of the motor (604).
5. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 4, characterized in that: tray (605) are cyclic annular circle, and the ring channel has been seted up to the top inner wall of tray (605), and the inner wall swing joint of ring channel has the slider, and the one end fixed mounting that the ring channel was kept away from to the slider has the bracing piece, and the one end that the slider was kept away from to the bracing piece is connected with the bottom fixed of dead lever (602).
6. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 4, characterized in that: the fixing rod (602) is divided into an upper part and a lower part, a bearing is arranged at the bottom end of the upper part of the fixing rod (602), and the bottom end of the bearing is fixedly connected with the top end of the lower part of the fixing rod (602).
7. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 2, characterized in that: the number of the outer ring (302) and the structure of the outer ring (302) is four, and every two outer rings (302) and the structure of the outer ring (302) are symmetrically distributed with the horizontal center of the steel pipe (4).
8. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 3, characterized in that: the number of the first telescopic pipes (502) is four, the four first telescopic pipes (502) are divided into two groups, each group of the first telescopic pipes (502) is symmetrically distributed with the horizontal central line of the first rotating block (501), the second rolling shafts (508) and the jacking blocks (509) are arranged on one opposite sides of the two groups of the first telescopic pipes (502), and the inner walls of the jacking blocks (509) on one sides far away from the second rolling shafts (508) are movably connected with rolling balls.
9. The pipe bending clamp of the hydraulic numerical control pipe bender according to claim 3, characterized in that: violently pipe (311) are L type pipe, and violently pipe (311) keep away from standpipe (310) one end through three-way valve and pipe (503) fixed connection, and violently pipe (311) divide into two parts from top to bottom, and the outer wall fixed mounting of upper portion has the bearing, and the bottom swing joint of bearing is on the top of violently managing (311) lower part.
CN202110028087.3A 2021-01-11 2021-01-11 Pipe bending clamp of hydraulic numerical control pipe bender Active CN112845920B (en)

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CN202110028087.3A CN112845920B (en) 2021-01-11 2021-01-11 Pipe bending clamp of hydraulic numerical control pipe bender

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Application Number Priority Date Filing Date Title
CN202110028087.3A CN112845920B (en) 2021-01-11 2021-01-11 Pipe bending clamp of hydraulic numerical control pipe bender

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CN112845920A true CN112845920A (en) 2021-05-28
CN112845920B CN112845920B (en) 2022-11-29

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080103222A (en) * 2007-05-23 2008-11-27 김낙이 Manufacturing apparatus of flexible pipe and manufacturing method of flexible pipe
EP2881188A1 (en) * 2013-12-04 2015-06-10 Trumpf Maschinen Austria GmbH & CO. KG. Backgauge for a bending machine
CN109895301A (en) * 2019-03-18 2019-06-18 重庆昌兴塑胶有限责任公司 Double-wall corrugated pipe processing device
CN209935600U (en) * 2019-04-28 2020-01-14 上海圻楚精密五金制品有限公司 Arc bending hardware die with dust removal function
CN111036731A (en) * 2019-12-25 2020-04-21 张贵阳 Double-side pipe bending device for metal pipeline
CN112091021A (en) * 2020-09-08 2020-12-18 舒亮亮 Steel pipe clamping device that bends
CN112176615A (en) * 2020-11-11 2021-01-05 杨善华 Shrinking setting machine for textile fabric production

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080103222A (en) * 2007-05-23 2008-11-27 김낙이 Manufacturing apparatus of flexible pipe and manufacturing method of flexible pipe
EP2881188A1 (en) * 2013-12-04 2015-06-10 Trumpf Maschinen Austria GmbH & CO. KG. Backgauge for a bending machine
CN109895301A (en) * 2019-03-18 2019-06-18 重庆昌兴塑胶有限责任公司 Double-wall corrugated pipe processing device
CN209935600U (en) * 2019-04-28 2020-01-14 上海圻楚精密五金制品有限公司 Arc bending hardware die with dust removal function
CN111036731A (en) * 2019-12-25 2020-04-21 张贵阳 Double-side pipe bending device for metal pipeline
CN112091021A (en) * 2020-09-08 2020-12-18 舒亮亮 Steel pipe clamping device that bends
CN112176615A (en) * 2020-11-11 2021-01-05 杨善华 Shrinking setting machine for textile fabric production

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