CN109702096B - Bending pressure device with replaceable pressure head - Google Patents

Bending pressure device with replaceable pressure head Download PDF

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Publication number
CN109702096B
CN109702096B CN201910089002.5A CN201910089002A CN109702096B CN 109702096 B CN109702096 B CN 109702096B CN 201910089002 A CN201910089002 A CN 201910089002A CN 109702096 B CN109702096 B CN 109702096B
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pressure head
plate
pressure
fixing plate
rectangular notch
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CN201910089002.5A
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CN109702096A (en
Inventor
张庆华
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North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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Abstract

The invention relates to a bending pressure device with a replaceable pressure head, which comprises a mounting block, a pressure head fixing plate, a pressing plate and a pressure head, wherein the pressure head fixing plate is fixed on the lower surface of the mounting block, a rectangular notch for mounting the pressure head is arranged on the pressure head fixing plate, a step-shaped hanging table is arranged on the rectangular notch, the pressure head is clamped on the hanging table on the pressure head fixing plate through a hanging clamping plate at the upper end of the pressure head, the pressure head is tightly pressed on the bottom of the rectangular notch through the pressing plate, the lower end of the pressure head is fixedly provided with an arc groove plate with an arc groove, and according to the requirement of bending angles of different bent pipes, the pressure head with the arc grooves matched with the arc groove is required to be replaced according to the requirement of processing production.

Description

Bending pressure device with replaceable pressure head
Technical Field
The invention relates to a bent pipe forming device, in particular to a bending pressure device with a replaceable pressure head.
Background
In the use of metal pipe, many occasions need to use the metal return bend to connect, just must accomplish with the help of special return bend machinery in order to satisfy the demand, but the return bend of different angles is needed again in different occasions, and the processing production in-process of metal pipe often a return bend machinery only can process to the metal pipe of a bending angle, and the angle of buckling of different return bends all need correspond the pressure head of the arc wall that matches with it, and the strong adaptability of pertinence is poor, machining efficiency is low, manufacturing cost is high, and the operation is inconvenient moreover.
Disclosure of Invention
In order to solve the above problems, the present invention provides a bending pressure device with a replaceable pressure head.
The specific contents are as follows: the utility model provides a pressure device of bending of removable pressure head, the device includes installation piece, pressure head fixed plate, pressure strip and pressure head, characterized by: the upper surface of installation piece vertically upwards stretch out one with the dead lever, the pressure head fixed plate be cuboid form and fix on the lower surface of installation piece through its upper surface, be equipped with on the pressure head fixed plate from its side inwards excision and vertically run through the rectangular notch of pressure head fixed plate, be equipped with the hanging platform of the step form of cutting downwards from pressure head fixed plate upper surface along rectangular notched upper edge, the pressure head be the cuboid form that matches with rectangular notch, fixed a fixed baffle that stretches out from the pressure head both sides face respectively in the one end fixed of pressure head, be equipped with on the medial surface of fixed baffle upper end along the fixed baffle length direction stretch out and with the hanging plate that matches of hanging platform, the pressure head include with the fixed link square post of rectangular notch matching and the fixed arc chute board of hanging cardboard and link square post lower extreme fixed of matching of link square post that matches, the pressure head match the hanging cardboard and the hanging platform on the pressure head fixed plate through its upper end hang the hanging platform of hanging in the rectangular notch, the pressure head pass through hanging board and hanging the rectangular notch matching with the rectangular notch matching, the pressure head and stretch into the fixed plate from the opening of rectangular notch and the opposite to the pressure head side face that stretches into the fixed plate on the side face of pressure head opposite to the fixed plate.
Preferably, the bottom of the rectangular notch of the pressure head fixing plate is provided with a step hole which horizontally penetrates through the pressure head fixing plate, the pore in the step hole is communicated with the rectangular notch, a screw rod and a bolt head are placed in the step hole and respectively correspond to the pore and a rough hole of the step hole, the screw rod of the ejection bolt penetrates out of the pore of the step hole and is ejected to the side face of the connecting square column, a jackscrew is fixed at the tail part of the rough hole of the step hole, a spring is arranged between the jackscrew and the ejection bolt, and two ends of the spring are respectively ejected to the ejection bolt and the jackscrew.
Preferably, the compacting plate is provided with a threaded hole horizontally penetrating through two end faces of the compacting plate, and a jacking screw is connected in the threaded hole through threads and is jacked on the side face of the connecting square column through the threaded hole.
Preferably, hanging tables on two sides of the rectangular notch on the pressure head fixing plate are respectively provided with an inward concave groove, a reed is respectively fixed in the concave groove, and the free end of the reed faces the bottom of the rectangular notch and naturally upwards pushes against the lower surface of the hanging clamping plate on the pressure head.
Preferably, the arc groove plate of the pressure head is semi-cylindrical, and an arc groove which is along the arc surface and is sunken is arranged on the arc surface of the arc groove plate.
The beneficial technical effects of the invention
The invention relates to a bending pressure device with a replaceable pressure head, which comprises a mounting block, a pressure head fixing plate, a pressing plate and a pressure head, wherein the pressure head fixing plate is fixed on the lower surface of the mounting block, a rectangular notch for mounting the pressure head is arranged on the pressure head fixing plate, a step-shaped hanging table is arranged on the rectangular notch, the pressure head is clamped on the hanging table on the pressure head fixing plate through a hanging clamping plate at the upper end of the pressure head, the pressure head is tightly pressed at the bottom of the rectangular notch through the pressing plate, the lower end of the pressure head is fixedly provided with an arc groove plate with an arc groove, and according to the requirement of bending pipe angles, the bending angles of different bent pipes are required to correspond to the pressure heads with the arc grooves matched with the arc groove.
Drawings
FIG. 1 is a schematic perspective view of a bending press with a replaceable ram;
FIG. 2 is a front view of a bending press apparatus with a replaceable ram;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of B in FIG. 3;
FIG. 5 is a schematic perspective view of the mounting of the hold-down plate to the ram fixing plate;
FIG. 6 is a schematic perspective view of a ram mount;
FIG. 7 is a schematic perspective view of a ram;
FIG. 8 is an embodiment of the present invention;
in the figure: 1. the fixing device comprises a fixing rod, a mounting block, a pressure head fixing plate, a hanging table, a groove, a step hole, a rectangular notch and a pressure head fixing plate, wherein the pressure head fixing plate is arranged at the bottom of the fixing rod, the hanging table is arranged at the bottom of the fixing rod, the pressure head fixing plate is arranged at the bottom of the 41, a fixed baffle plate, 42, a hanging plate, 43, a compacting plate, 5, a jacking screw, 6, a pressure head, 61, a hanging clamping plate the hydraulic pressure device comprises a square column 62, a circular groove 63, a circular groove 64, a circular groove plate 7, a jackscrew 8, a spring 9, a jacking bolt 10, a reed 11, a bending pressure device 12, a supporting frame 13, a pipe fitting 14 and a power pressing seat.
Detailed Description
Referring to fig. 1-8, the embodiment case one, the pressure device of bending of removable pressure head, the device include installation piece, pressure head fixed plate, pressure strip and pressure head, the upper surface of installation piece vertically upwards stretch out a dead lever for fixed this pressure device of bending, the pressure head fixed plate be cuboid form and fix on the lower surface of installation piece through its upper surface, be equipped with on the pressure head fixed plate from its side inwards excision and vertical rectangular incision that runs through the pressure head fixed plate, be equipped with from the hanging platform of the step form of pressure head fixed plate upper surface undercut along rectangular incision's upper edge for install the pressure head, the pressure strip be the cuboid form of matching with rectangular incision, fixed one at the one end of pressure strip stretches out from the fixed plate both sides face respectively, be equipped with along the link plate that stretches out and match with the hanging platform on the medial surface of fixed plate upper end, the pressure head include with the rectangular incision matched connection square post and the fixed link plate of link plate hang cardboard and the fixed slot plate of link plate lower extreme, the pressure head is passed through the side of stretching into the side of the rectangular incision and the side of the pressure head fixed plate through the side of stretching into the rectangular incision on the pressure head fixed plate.
The bottom of the rectangular notch of the pressure head fixing plate is provided with a step hole which horizontally penetrates through the pressure head fixing plate, a fine hole in the step hole is communicated with the rectangular notch, a screw rod and a bolt head are placed in the step hole, the screw rod of the ejection bolt penetrates out of the fine hole of the step hole and is pressed on the side face of the connecting square column, an ejector wire is fixed at the tail of the coarse hole of the step hole, a spring is arranged between the ejector wire and the ejection bolt, two ends of the spring are respectively pressed on the ejection bolt and the ejector wire, and the ejection bolt is supported by the spring to facilitate the extraction of the pressure head.
The pressing plate is provided with a threaded hole which horizontally penetrates through two end faces of the pressing plate, a jacking screw is connected in the threaded hole through threads, and the jacking screw penetrates through the threaded hole to be jacked on the side face of the connecting square column for secondarily clamping the connecting square column on the pressing head, so that the pressing head is prevented from loosening.
The pressing head fixing plate is characterized in that the hanging tables on two sides of the rectangular notch are respectively provided with an inward concave groove, a reed is respectively fixed in the concave groove, the free end of the reed faces the bottom of the rectangular notch and naturally pushes upwards against the lower surface of the hanging clamping plate on the pressing head, the hanging clamping plate on the pressing head is supported by the reed, the hanging clamping plate is prevented from always generating an installation gap with the lower surface of the installation block, if the installation gap exists, the pressing head can repeatedly collide with the lower surface of the installation block in the repeated working process, the hanging clamping plate can deform after the collision time is long, sometimes the inside is blocked, the reed is difficult to replace, the lower surface of the installation block is also damaged in the same way, and the service life of the two parts is prolonged.
The arc groove plate of the pressure head is semi-cylindrical, arc grooves which are inwards sunk along the arc surface are formed in the arc surface of the arc groove plate, and the pressure heads of different arc grooves correspond to metal pipes with different diameters and different bending angles.
The application process of the invention comprises the following steps:
referring to fig. 8, the invention is arranged on a supporting frame, a pipe fitting is placed on a power pressing seat, and the pipe fitting is bent by the vertical movement of the power pressing seat and the cooperation of the power pressing seat and a pressing head of the invention;
selecting a corresponding pressing head according to the production requirement, correspondingly clamping and hanging a hanging clamping plate on the pressing head and a hanging table on a pressing head fixing plate, sliding the hanging clamping plate on the pressing head into the bottom of a rectangular notch, pressing a naturally raised reed under the hanging clamping plate in the sliding process of the hanging clamping plate to the bottom of the rectangular notch, preventing the pressing head from shaking in the vertical direction due to long-time repeated use by the support of the reed, correspondingly extending a pressing plate into the rectangular notch from the opening end of the rectangular notch, correspondingly clamping and hanging the hanging plate on the hanging table, pressing the end face of the extending end of the pressing plate on the side face of a pressing head connecting square column by relatively fixing a fixed baffle plate on the pressing plate and the side face of the pressing head fixing plate, tightly clamping the pressing head by screwing a jacking screw, and tightly clamping the pressing head again on the side face of the connecting square column, so as to ensure the firmness of clamping; according to the invention, the pressure heads with different arc grooves can be replaced according to the requirements of processing and production, so that the corresponding pressure heads are only needed to be replaced for metal pipes with different bending angles, the flexible and convenient use is realized, the adaptability is wide, and the production efficiency is improved.

Claims (3)

1. The utility model provides a pressure device of bending of removable pressure head, the device includes installation piece, pressure head fixed plate, pressure strip and pressure head, characterized by: the upper surface of the mounting block vertically extends upwards to form a follow-up fixing rod, the pressure head fixing plate is cuboid and is fixed on the lower surface of the mounting block through the upper surface of the pressure head fixing plate, a rectangular notch which is cut inwards from one side surface of the pressure head fixing plate and vertically penetrates through the pressure head fixing plate is formed in the pressure head fixing plate, a step-shaped hanging table which is cut downwards from the upper surface of the pressure head fixing plate is arranged along the upper edge of the rectangular notch, the pressure plate is cuboid matched with the rectangular notch, one end of the pressure plate is fixedly provided with a fixing baffle which extends from two side surfaces of the pressure plate respectively, the inner side surface of the upper end of the fixing baffle is provided with a hanging plate which extends along the length direction of the pressure plate and is matched with the hanging table, the pressure head comprises a connecting square column matched with the rectangular notch, a hanging clamping plate matched with the hanging table and the lower end of the connecting square column, the pressure head is clamped in the rectangular notch through the hanging clamping plate at the hanging table at the upper end of the pressure head fixing plate, and the pressure head is clamped into the side surface of the pressure head fixing plate through the opening matched with the hanging table, and the pressure head is pressed into the side surface of the fixing plate;
the bottom of the rectangular notch of the pressure head fixing plate is provided with a step hole which horizontally penetrates through the pressure head fixing plate, a fine hole in the step hole is communicated with the rectangular notch, a screw rod and a push-out bolt with a bolt head corresponding to the fine hole and the coarse hole of the step hole respectively are arranged in the step hole, the screw rod of the push-out bolt penetrates out of the fine hole of the step hole and is pushed onto the side face of the connecting square column, a jackscrew is fixed at the tail part of the coarse hole of the step hole, a spring is arranged between the jackscrew and the push-out bolt, and two ends of the spring are respectively pushed onto the push-out bolt and the jackscrew;
the hanging tables on two sides of the rectangular notch on the pressure head fixing plate are respectively provided with an inward concave groove, and a reed is respectively fixed in the concave groove, and the free end of the reed faces the bottom of the rectangular notch and naturally upwards pushes against the lower surface of the hanging clamping plate on the pressure head.
2. The bending pressure device of the replaceable ram of claim 1, wherein: the compressing plate is provided with a threaded hole which horizontally penetrates through two end faces of the compressing plate, a jacking screw is connected in the threaded hole through threads, and the jacking screw penetrates through the threaded hole and is jacked on the side face of the connecting square column.
3. The bending pressure device of the replaceable ram of claim 1, wherein: the arc groove plate of the pressure head is semi-cylindrical, and an arc groove which is along the arc surface and is sunken is arranged on the arc surface of the arc groove plate.
CN201910089002.5A 2019-01-30 2019-01-30 Bending pressure device with replaceable pressure head Active CN109702096B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910089002.5A CN109702096B (en) 2019-01-30 2019-01-30 Bending pressure device with replaceable pressure head

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Application Number Priority Date Filing Date Title
CN201910089002.5A CN109702096B (en) 2019-01-30 2019-01-30 Bending pressure device with replaceable pressure head

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CN109702096A CN109702096A (en) 2019-05-03
CN109702096B true CN109702096B (en) 2024-01-19

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113926951A (en) * 2021-10-20 2022-01-14 中国建筑第二工程局有限公司 Reinforcing steel bar bending device for interpenetration of prefabricated column and cast-in-situ beam slab

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871653A (en) * 1994-09-03 1996-03-19 Yutaka Seiko:Kk Bent width changing device of bending machine
JP2001314919A (en) * 2000-05-08 2001-11-13 Amada Co Ltd Bending machine
CN203955793U (en) * 2014-05-19 2014-11-26 徐州压力机械有限公司 A kind of large aperture steel pipe bender structure for hydraulic press
CN107983810A (en) * 2017-11-29 2018-05-04 无锡市汇鼎金属制管有限公司 A kind of metal tube processing apparatus for bending
CN209716234U (en) * 2019-01-30 2019-12-03 华北水利水电大学 Bending pressure device with replaceable pressure head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871653A (en) * 1994-09-03 1996-03-19 Yutaka Seiko:Kk Bent width changing device of bending machine
JP2001314919A (en) * 2000-05-08 2001-11-13 Amada Co Ltd Bending machine
CN203955793U (en) * 2014-05-19 2014-11-26 徐州压力机械有限公司 A kind of large aperture steel pipe bender structure for hydraulic press
CN107983810A (en) * 2017-11-29 2018-05-04 无锡市汇鼎金属制管有限公司 A kind of metal tube processing apparatus for bending
CN209716234U (en) * 2019-01-30 2019-12-03 华北水利水电大学 Bending pressure device with replaceable pressure head

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