CN215965922U

CN215965922U - Pipe expander with one-step expansion and flaring forming

Info

Publication number: CN215965922U
Application number: CN202122711945.2U
Authority: CN
Inventors: 朱彦军
Original assignee: Henan Zhongyuan Roller Shaft Co ltd
Current assignee: Henan Zhongyuan Roller Shaft Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-08
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of pipe expansion processing, in particular to a pipe expander with one-step expansion and flaring forming, which comprises a pipe expander body, wherein a first bracket is arranged at one side of the top end of the pipe expander body, and the middle position of the first bracket is inserted and connected with a first hydraulic telescopic rod, and one side position of the first hydraulic telescopic rod is connected with a tube expander body, through the round groove, the auxiliary pulley, the connecting rod, the calibration flat plate, the flaring body and the expansion head body, when the flaring body and the expansion head body which are used as the flaring end part of the expansion pipe are inserted into the workpiece, the upper and lower groups of auxiliary pulleys arranged on the circular groove are matched with the flaring body and the expansion head body in sequence to realize the fit insertion, and simultaneously, the correct calibration function at a certain position can be realized for the fit insertion of the flaring body and the expansion head body, by correcting and calibrating the insertion of the flaring and the expansion head in advance, the accuracy of the whole pipe expander in flaring operation can be effectively improved.

Description

Pipe expander with one-step expansion and flaring forming

Technical Field

The utility model relates to the technical field of pipe expansion processing, in particular to a pipe expander with one-step expansion and flaring forming.

Background

When the production processing operation is carried out on accessories such as forged steel cold rolls, hot rolls, centrifugal nodular cast iron pipe dies, core rods and the like, the expanding pipe flaring processing technology is an essential important environment, when the expanding pipe flaring processing operation is realized, the expanding pipe machine with the help of corresponding specifications and sizes is needed, the expanding pipe machine is special expansion connection equipment for manufacturing pipes in heat exchangers, condensers, high-pressure heaters and other equipment, and expansion connection of pipe plates can improve the manufacturing quality and efficiency of the equipment. The pneumatic hydraulic pipe expander is composed of a driving station and a touch screen integrated high-pressure pipe expander.

When the pipe expander on the market is used, the fit of the flaring end part of the pipe expander is inserted, and the dislocation insertion phenomenon is very easy to occur under the condition that the pipe expander is not corrected and calibrated in advance, and the clamping space between a group of clamping structures cannot be rapidly adjusted, and meanwhile, the corresponding processing operation of the whole pipe expander on workpieces with different sizes is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipe expander with one-step expansion and flaring forming, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an expand flaring one shaping formula electric tube expander, includes the expand tube organism, top one side position of expand tube organism is provided with first bracket, and the middle part position interlude of first bracket is connected with first hydraulic telescoping rod, one side position of first hydraulic telescoping rod is connected with the expander body, settle the top middle part position of expand tube organism has a supporting bench, and supporting bench's top one side is provided with movable clamp splice, the inside arrangement of movable clamp splice has the machined part, one side position sliding connection of supporting bench has the connecting rod, the top position of supporting bench is provided with the spout through integrative casting shaping processing.

Preferably, one side position that first hydraulic telescoping rod was kept away from to the pipe expander body is connected with the connecting rod, and one side position that the pipe expander body was kept away from to the connecting rod is provided with the expander body through integrated into one piece processing, one side position that the pipe expander body was kept away from to the expander body is connected with the flaring body, coincide each other between the horizontal axis of flaring body and the horizontal axis of machined part.

Preferably, the top other side position of brace table is connected with static clamp splice, and just one side position of static clamp splice and activity clamp splice is arcuation structure and distributes the setting, welded fastening between activity clamp splice and the slider, and the bottom of slider is connected with the rack, the bottom meshing of rack is connected with the gear, the middle part interlude of gear is connected with the operation and changes the handle, and the operation changes and rotate between the handle and the brace table and be connected, the gear passes through rack, slider and activity clamp splice transmission connection.

Preferably, a clamping ring is arranged right above the workpiece, a second bracket is arranged behind the clamping ring, the second bracket and the supporting table are fixed through bolts, a second hydraulic telescopic rod is connected to the middle of the second bracket in an inserting mode, and one end of the second hydraulic telescopic rod and one end of the clamping ring are fixed through bolts.

Preferably, the top end one side position of connecting rod is connected with the calibration flat board, and the circular slot has been seted up through integrative pouring shaping processing in the inside of calibration flat board, the inside top position of circular slot settles and has supplementary pulley, supplementary pulley passes through the circular slot and rotates with the calibration flat board to be connected, and laminates each other between the surface of supplementary pulley and the surface of flaring body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the circular groove, the auxiliary pulleys, the connecting rod, the calibration flat plate, the flaring body and the expansion head body, when the flaring body and the expansion head body which are used as the flaring end parts of the expansion pipe are inserted into a workpiece, the upper and lower groups of auxiliary pulleys arranged on the circular groove are matched with the flaring body and the expansion head body in sequence to realize fit insertion, and meanwhile, the fit insertion of the flaring body and the expansion head body can also play a certain position correction and calibration role, and through the fact that the insertion of the flaring body and the expansion head can be corrected and calibrated in advance, the accuracy of the whole pipe expander in flaring operation can be effectively improved;

2. according to the pipe expander, due to the arrangement of the sliding groove, the rack, the movable clamping blocks, the sliding block, the operation rotating handle and the gear, when the rack carries the movable clamping blocks to realize forward or backward sliding stretching, the distance between the front group of clamping blocks and the rear group of clamping blocks is changed rapidly, and the size of the clamping space can be adjusted randomly, so that the pipe expander can conveniently perform corresponding flaring processing operation on workpieces with different sizes.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the stationary clamping block mounting structure of the present invention.

In the figure: the pipe expander comprises a pipe expander body 1, a first bracket 2, a first hydraulic telescopic rod 3, a pipe expander body 4, a support table 5, a movable clamp block 6, a workpiece 7, a second bracket 8, a second hydraulic telescopic rod 9, a clamp ring 10, a calibration flat plate 11, a connecting rod 12, a flaring body 13, a circular groove 14, an auxiliary pulley 15, a sliding block 16, a sliding groove 17, a rack 18, a gear 19, an operating rotating handle 20, a static clamp block 21 and an expansion head body 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an expand flaring one shaping formula electric tube expander, including expand tube organism 1, top one side position of expand tube organism 1 is provided with first bracket 2, and the middle part position interlude of first bracket 2 is connected with first hydraulic telescoping rod 3, one side position of first hydraulic telescoping rod 3 is connected with expander body 4, settle in the top middle part position of expand tube organism 1 has a supporting bench 5, and supporting bench 5's top one side is provided with movable clamp splice 6, the inside arrangement of activity clamp splice 6 has machined part 7, one side position sliding connection of supporting bench 5 has connecting rod 12, the top position of supporting bench 5 is provided with spout 17 through integrative casting shaping processing.

A connecting rod 12 is connected to one side of the tube expander body 4, which is far away from the first hydraulic telescopic rod 3, an expanding head body 22 is arranged at one side of the connecting rod 12, which is far away from the tube expander body 4, through integrated forming processing, a flaring body 13 is connected to one side of the expanding head body 22, which is far away from one side of the tube expander body 4, the transverse central axis of the flaring body 13 and the transverse central axis of the workpiece 7 are mutually overlapped, and the front, back and top positions of the workpiece to be processed are limited in position through the movable clamping block 6, the static clamping block 21 and the clamping ring 10 in sequence, so that stable placement is realized in advance; the other side position of the top end of the supporting platform 5 is connected with a static clamping block 21, one side positions of the static clamping block 21 and the movable clamping block 6 are distributed in an arc-shaped structure, the movable clamping block 6 and the sliding block 16 are welded and fixed, the bottom end of the sliding block 16 is connected with a rack 18, the bottom end of the rack 18 is meshed and connected with a gear 19, the middle part of the gear 19 is connected with an operating rotating handle 20 in an inserting mode, the operating rotating handle 20 is rotatably connected with the supporting platform 5, the gear 19 is in transmission connection with the movable clamping block 6 through the rack 18, the sliding block 16 and the rack 16, when a workpiece to be processed is just clamped into a clamping space formed by the static clamping block 21 and the movable clamping block 6, one side of the static clamping block and the movable clamping block is arranged in an arc-shaped structure, and connection between the front clamping block and the rear clamping block and the workpiece to be processed can be more matched and tightly attached; a clamping ring 10 is arranged right above the workpiece 7, a second bracket 8 is arranged at the rear position of the clamping ring 10, the second bracket 8 and the support table 5 are fixed through bolts, a second hydraulic telescopic rod 9 is connected to the middle position of the second bracket 8 in an inserting mode, one end of the second hydraulic telescopic rod 9 and one end of the clamping ring 10 are fixed through bolts, after the workpiece to be processed is limited in position by front and rear clamping blocks, the clamping ring 10 can play a certain position limiting role from the top end position of the workpiece under the state that the end face of the clamping ring 10 is tightly attached under the connection and matching of the second bracket 8 and the support table 5 when the second hydraulic telescopic rod 9 after being controlled to start carries the clamping ring 10 to realize downward stretching action; connecting rod 12's top one side position is connected with calibration flat plate 11, and calibration flat plate 11's inside has seted up circular slot 14 through integrative pouring shaping processing, and the inside top position of circular slot 14 settles and has supplementary pulley 15, and supplementary pulley 15 rotates through circular slot 14 and calibration flat plate 11 to be connected, and laminates each other between supplementary pulley 15's the surface and the surface of flaring body 13, and connecting rod 12's setting can assist calibration flat plate 11 high-speed joint brace table 5.

The working process is as follows: when the whole pipe expander is adjusted to be in a working state, the first hydraulic telescopic rod 3 after being controlled to start carries the pipe expander body 4 to realize outward twitching action from left to right, and under the action of generated hydraulic pressure, after the expanding head body 22 and the flaring body 13 which are subjected to transmission acting force are in fit insertion into the workpiece, the whole pipe expander can enable the workpiece to generate plastic deformation by means of generated radial pressure, so that flaring of the workpiece is realized, and the later-stage expansion joint is convenient to carry out, the structure relates to the related principle of the pipe expander and is the disclosed prior art, when the flaring body 13 and the expanding head body 22 are to be sequentially inserted into the workpiece, under the connection and the cooperation of the connecting rod 12 and the calibration flat plate 11, the upper and lower groups of auxiliary pulleys 15 arranged in the circular groove 14 are in fit insertion with the flaring body 13 and the flaring body 22 in turn, the device can also play a certain role in position correction and calibration for the fit insertion of the two, when workpieces with different sizes need to be correspondingly pre-positioned, under the connection and cooperation of the sliding grooves 17, the operating rotating handle 20 subjected to manual traction acting force carries the gear 19 to realize rotation, and meanwhile, the rack 18 subjected to transmission acting force carries the movable clamping block 6 through the sliding block 16 to realize forward or backward sliding and stretching actions, so that the distance between the front group of clamping blocks and the rear group of clamping blocks after the bolt limiting action is obtained is rapidly changed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a one shaping formula electric tube expander of flaring, includes electric tube expander organism (1), its characterized in that: the pipe expander is characterized in that a first bracket (2) is arranged on one side of the top end of a pipe expander body (1), a first hydraulic telescopic rod (3) is connected to the middle position of the first bracket (2) in an inserting mode, a pipe expander body (4) is connected to one side of the first hydraulic telescopic rod (3), a supporting table (5) is arranged on the middle position of the top end of the pipe expander body (1), a movable clamping block (6) is arranged on one side of the top end of the supporting table (5), a machined part (7) is arranged inside the movable clamping block (6), a connecting rod (12) is connected to one side of the supporting table (5) in a sliding mode, and a sliding groove (17) is formed in the upper position of the supporting table (5) through integral pouring and forming.

2. The expanding-flare one-pass forming type pipe expander according to claim 1, wherein: one side position that first hydraulic telescoping rod (3) was kept away from in pipe expander body (4) is connected with connecting rod (12), and one side position that pipe expander body (4) were kept away from in connecting rod (12) is provided with expander body (22) through integrated into one piece processing, one side position that pipe expander body (4) were kept away from in expander body (22) is connected with flaring body (13), coincide each other between the horizontal axis of flaring body (13) and the horizontal axis of machined part (7).

3. The expanding-flare one-pass forming type pipe expander according to claim 1, wherein: the utility model discloses a support bench, including the support bench, the top of brace table (5) is fixed on the support bench, the top other side position of brace table (5) is connected with static clamp splice (21), and one side position of static clamp splice (21) and activity clamp splice (6) is the arcuation structure and distributes the setting, welded fastening between activity clamp splice (6) and slider (16), and the bottom of slider (16) is connected with rack (18), the bottom meshing of rack (18) is connected with gear (19), the middle part interlude of gear (19) is connected with the operation and changes handle (20), and the operation changes and rotate between handle (20) and brace table (5) and be connected, gear (19) are connected through rack (18), slider (16) and activity clamp splice (6) transmission.

4. The expanding-flare one-pass forming type pipe expander according to claim 1, wherein: the hydraulic clamping device is characterized in that a clamping ring (10) is arranged right above the machined part (7), a second bracket (8) is arranged at the rear position of the clamping ring (10), the second bracket (8) and the supporting table (5) are fixed through bolts, a second hydraulic telescopic rod (9) is connected to the middle position of the second bracket (8) in an inserting mode, and one end of the second hydraulic telescopic rod (9) and one end of the clamping ring (10) are fixed through bolts.

5. The expanding-flare one-pass forming type pipe expander according to claim 1, wherein: the flaring die is characterized in that a calibration flat plate (11) is connected to one side of the top end of the connecting rod (12), a circular groove (14) is formed in the calibration flat plate (11) through integral pouring and forming, an auxiliary pulley (15) is arranged above the inside of the circular groove (14), the auxiliary pulley (15) is rotatably connected with the calibration flat plate (11) through the circular groove (14), and the outer surface of the auxiliary pulley (15) is attached to the outer surface of the flaring body (13).