CN212310740U - Copper pipe joint extrusion forming facility - Google Patents

Abstract

The utility model relates to a copper pipe joint extrusion facility belongs to the processing facility field, installation rectangle lower mould on the platform at frame middle part, the central authorities of lower mould have set up hexagon shaping hole perpendicularly, the central authorities bottom the shaping hole have set up cylindrical lower support hole perpendicularly, the central authorities bottom lower support hole have set up cylindrical mold core guide hole perpendicularly, install rectangle last mould on the lower mould, the central authorities at last mould bottom have set up hexagon extrusion piece perpendicularly, the inside of extrusion piece has set up cylindrical upper support hole perpendicularly, the central authorities above last support hole have installed cylindrical mold core perpendicularly downwards, the central authorities of top cap bottom have set up cylindrical oil cylinder perpendicularly downwards in the frame, the bottom of hydro-cylinder below piston rod is connected with the central authorities above the mould, the workman overlaps the copper pipe after heating on the mold core fast, the piston rod takes the mould to extrude downwards, And the copper pipe is extruded and molded in the molding hole at one time and then is withdrawn upwards.

Description

Copper pipe joint extrusion forming facility

Technical Field

The utility model relates to a copper pipe joint extrusion facility belongs to the processing facility field, and in particular to adopts the facility of upper and lower mould to copper pipe extrusion.

Background

A copper pipe joint is used for an air outlet part of a truck air storage tank. When an existing enterprise for processing a copper pipe joint processes the copper pipe joint, most of the existing enterprises adopt the steps of casting the copper pipe joint into a blank at one time and then processing the blank into the pipe joint. Because the cast copper pipe joint is not forged and has lower density, part of the copper pipe joint cannot bear the vibration of the truck in the using process, the joint is cracked, air leakage is generated, and the normal running of the truck is influenced. Accordingly, there is a need for a forged, high density copper pipe joint that replaces the existing cast copper pipe joint.

Disclosure of Invention

The utility model relates to a copper pipe joint extrusion facility has overcome above-mentioned difficulty, adopt the frame of C type, install rectangular lower mould on the platform at frame middle part, the central authorities of lower mould have set up hexagonal shaping hole perpendicularly, the central authorities of shaping hole bottom have set up columniform lower support hole perpendicularly, the central authorities of lower support hole bottom have set up columniform mold core guide hole perpendicularly, install rectangular last mould on the lower mould, the central authorities at last mould bottom have set up hexagonal extrusion piece perpendicularly, the inside of extrusion piece has set up columniform upper support hole perpendicularly, the central authorities of upper support hole top have installed columniform mold core downwards perpendicularly, the central authorities of top cap bottom have set up columniform hydro-cylinder downwards perpendicularly downwards in the frame, the bottom of hydro-cylinder below piston rod is connected with the central authorities above the last mould, the workman overlaps the copper pipe after heating fast on the mold core, The piston rod drives the upper die to extrude downwards, and the copper pipe is withdrawn upwards after being extruded and formed in the forming hole at one time.

An extrusion forming facility for copper pipe joints is characterized by comprising a rack, a control box, a lower die, an upper die, a positioning rod, an oil cylinder, an extrusion block, a die core, a forming hole, a lower support hole, a die core guide hole, an electric control reversing valve, an oil pipe, a power supply, a switch button and a power line;

the machine frame is C-shaped and is vertically arranged on the ground, a lower die is arranged in the center of a platform in the middle of the machine frame, an upper die is arranged above the lower die, a cylindrical oil cylinder is vertically arranged downwards in the center of the bottom of a top cover above the machine frame, and the bottom of a piston rod below the oil cylinder is connected with the center above the upper die;

the lower die is in a cuboid shape, a hexagonal forming hole is vertically formed downwards in the center of the upper side of the lower die, the depth of the forming hole is 2/5 of the height of the lower die, a cylindrical lower supporting hole is vertically formed downwards in the center of the bottom of the forming hole, the depth of the lower supporting hole is 1/5 of the height of the lower die, the inner diameter of the lower supporting hole is 3/4 of the inner diameter of the forming hole, a cylindrical die core guide hole is vertically formed downwards in the center of the bottom of the lower supporting hole, the depth of the die core guide hole is 2/5 of the height of the lower die, the inner diameter of the die core guide hole is 1/2 of the inner diameter of the forming hole, a cylindrical positioning rod is vertically arranged in front of the left side and behind the;

the upper die is in a cuboid shape, a hexagonal extrusion block is vertically arranged in the center of the bottom of the upper die, the external size of the extrusion block is equal to the internal size of a forming hole, the height of the extrusion block is 1/2 of the depth of the forming hole, a cylindrical upper supporting hole is vertically arranged in the center of the interior of the extrusion block, the internal diameter of the upper supporting hole is equal to the internal diameter of a lower supporting hole, a cylindrical die core is vertically arranged downwards in the center of the top of the upper supporting hole, the top end of the die core is connected with the bottom of the upper die, the height of the die core is equal to the height of a lower die, the diameter of the die core is equal to the internal size of a die core guide hole, a circular positioning hole is vertically arranged in front of the left upper die and in;

the electric control reversing valve is rectangular and is arranged in the rack, a front channel and a rear channel of the electric control reversing valve are respectively connected with an upper cavity and a lower cavity of the oil cylinder through oil pipes, and an oil inlet of the electric control reversing valve is connected with the hydraulic pump station through the oil pipe;

the control box is arranged at the top of the rack, a switch button is arranged in front of the control box, and a power supply is arranged inside the control box;

the power supply is connected with the switch button through a power line, and the switch button is connected with the electric control reversing valve through a power line.

Has the advantages that: when an existing enterprise for processing a copper pipe joint processes the copper pipe joint, most of the existing enterprises adopt the steps of casting the copper pipe joint into a blank at one time and then processing the blank into the pipe joint. Because the cast copper pipe joint is not forged and has lower density, part of the copper pipe joint cannot bear the vibration of the truck in the using process, the joint is cracked, air leakage is generated, and the normal running of the truck is influenced. A copper pipe joint extrusion molding facility overcomes the difficulties, workers quickly sleeve a heated copper pipe on a mold core, a piston rod drives an upper mold to extrude downwards, the copper pipe is returned upwards after the copper pipe is extruded in a molding hole in one-time manner, one-time forging molding is realized, and the density of the copper pipe joint is increased.

Drawings

FIG. 1 is a front view of an extrusion molding apparatus for a copper pipe joint;

FIG. 2 is a schematic structural view of a lower die, an upper die, a positioning rod, an extrusion block, a die core, a molding hole, a lower supporting hole and a die core guide hole;

FIG. 3 is a schematic structural view of an oil cylinder, an electrically controlled directional valve and an oil pipe;

FIG. 4 is a schematic diagram of a power supply connected to a switch button via a power cord, the switch button being connected to an electrically controlled directional valve via a power cord;

the marks in the above figures are a frame 1, a control box 2, a lower die 3, an upper die 4, a positioning rod 5, an oil cylinder 6, an extrusion block 7, a die core 8, a forming hole 9, a lower support hole 10, a die core guide hole 11, an electric control reversing valve 12, an oil pipe 13, a power supply 14, a switch button 15 and a power line 16.

Detailed Description

The shape and structure of the present invention will be described in detail with reference to the accompanying drawings and the reference numerals:

a copper pipe joint extrusion molding facility is characterized by comprising a rack 1, a control box 2, a lower die 3, an upper die 4, a positioning rod 5, an oil cylinder (16Mpa)6, an extrusion block 7, a die core 8, a molding hole 9, a lower support hole 10, a die core guide hole 11, an electric control reversing valve (16Mpa, DC12V)12, an oil pipe (16Mpa)13, a power supply (AC220V/DC12V)14, a switch button (DC12V)15 and a power line 16;

the machine frame 1 is C-shaped and is vertically arranged on the ground, a lower die 3 is arranged in the center of a platform in the middle of the machine frame 1, an upper die 4 is arranged above the lower die 3, a cylindrical oil cylinder 6 is vertically arranged downwards in the center of the bottom of a top cover above the machine frame 1, and the bottom of a piston rod below the oil cylinder 6 is connected with the center above the upper die 4;

the lower die 3 is cuboid, a hexagonal forming hole 9 is vertically arranged downwards in the center of the upper side, the depth of the forming hole 9 is 2/5 of the height of the lower die 3, a cylindrical lower supporting hole 10 is vertically arranged downwards in the center of the bottom of the forming hole 9, the depth of the lower supporting hole 10 is 1/5 of the height of the lower die 3, the inner diameter of the lower supporting hole 10 is 3/4 of the inner diameter of the forming hole 9, a cylindrical die core guide hole 11 is vertically arranged downwards in the center of the bottom of the lower supporting hole 10, the depth of the die core guide hole 11 is 2/5 of the height of the lower die 3, the inner diameter of the die core guide hole 11 is 1/2 of the inner diameter of the forming hole 9, a cylindrical positioning rod 5 is vertically arranged in the front of the left side and the rear of the right side of the upper;

the upper die 4 is in a cuboid shape, a hexagonal extrusion block 7 is vertically arranged in the center of the bottom of the upper die 4, the external size of the extrusion block 7 is equal to the internal size of a forming hole 9, the height of the extrusion block 7 is 1/2 of the depth of the forming hole 9, a cylindrical upper support hole is vertically arranged in the center of the extrusion block 7, the internal diameter of the upper support hole is equal to the internal diameter of a lower support hole 10, a cylindrical die core 8 is vertically arranged downwards in the center of the top of the upper support hole, the top end of the die core 8 is connected with the bottom of the upper die 4, the height of the die core 8 is equal to the height of the lower die 3, the diameter of the die core 8 is equal to the internal size of a die core guide hole 11, a circular positioning hole is vertically arranged in each of the front of the left side of the upper die;

the electric control reversing valve 12 is rectangular and is arranged inside the rack 1, a front channel and a rear channel of the electric control reversing valve 12 are respectively connected with an upper cavity and a lower cavity of the oil cylinder 6 through oil pipes 13, and an oil inlet of the electric control reversing valve 12 is connected with a hydraulic pump station through the oil pipes 13;

the control box 2 is arranged at the top of the rack 1, a switch button 15 is arranged in front of the control box 2, and a power supply 14 is arranged inside the control box;

the power supply 14 is connected with the switch button 15 through a power cord 16, and the switch button 15 is connected with the electrically controlled reversing valve 12 through the power cord 16.

When the copper pipe joint extrusion forming facility is used, a worker turns on a power supply, a hydraulic pump station and a hydraulic pump to preheat hydraulic oil in advance, the worker sleeves a copper pipe which is cut and softened in advance upwards on a mold core from the bottom of the mold core, then operates a switch button to control an electric control reversing valve to drive an upper cavity of an oil cylinder through the hydraulic oil to force a piston rod to push an upper mold to move downwards slowly, after the bottom of the mold core is inserted into the interior above a mold core guide hole, the bottom of the copper pipe on the mold core is contacted with the bottom of a lower support hole, the top end and the bottom of the copper pipe on the mold core are jacked against the top of the upper support hole and the bottom of the lower support hole while the upper mold is pressed downwards continuously, the outer edges of the upper end and the lower end of the copper pipe are completely wrapped by the upper support hole and the lower support hole and cannot expand outwards, the middle part of a copper pipe starts to expand outwards under the strong pressure of an upper die, the expanded copper pipe quickly fills a forming hole, the bottom of an extrusion block synchronously pressed downwards with the upper die is inserted into the inside above the forming hole, the upper die pushes the extrusion block downwards to extrude the expanded part of the copper pipe into the shape inside the forming hole, after the bottom of the lower die is contacted with the upper surface of the upper die and the extrusion of a copper pipe joint is finished, a worker operates a switch button to control an electric control reversing valve to force a piston rod to drive the upper die to reset upwards through a lower cavity of a hydraulic oil driving oil cylinder, the die core drives the extruded copper pipe joint to reset upwards synchronously, the worker takes the extruded copper pipe joint off from the upper surface of the die core by using special pliers, then installs a new copper pipe on the die core, and operates according to the steps.

The above-mentioned non-detailed description is prior art.

The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.

Claims (1)

1. An extrusion forming facility for copper pipe joints is characterized by comprising a rack, a control box, a lower die, an upper die, a positioning rod, an oil cylinder, an extrusion block, a die core, a forming hole, a lower support hole, a die core guide hole, an electric control reversing valve, an oil pipe, a power supply, a switch button and a power line;

the machine frame is C-shaped and is vertically arranged on the ground, a lower die is arranged in the center of a platform in the middle of the machine frame, an upper die is arranged above the lower die, a cylindrical oil cylinder is vertically arranged downwards in the center of the bottom of a top cover above the machine frame, and the bottom of a piston rod below the oil cylinder is connected with the center above the upper die;

the lower die is in a cuboid shape, a hexagonal forming hole is vertically formed downwards in the center of the upper side of the lower die, the depth of the forming hole is 2/5 of the height of the lower die, a cylindrical lower supporting hole is vertically formed downwards in the center of the bottom of the forming hole, the depth of the lower supporting hole is 1/5 of the height of the lower die, the inner diameter of the lower supporting hole is 3/4 of the inner diameter of the forming hole, a cylindrical die core guide hole is vertically formed downwards in the center of the bottom of the lower supporting hole, the depth of the die core guide hole is 2/5 of the height of the lower die, the inner diameter of the die core guide hole is 1/2 of the inner diameter of the forming hole, a cylindrical positioning rod is vertically arranged in front of the left side and behind the;

the upper die is in a cuboid shape, a hexagonal extrusion block is vertically arranged in the center of the bottom of the upper die, the external size of the extrusion block is equal to the internal size of a forming hole, the height of the extrusion block is 1/2 of the depth of the forming hole, a cylindrical upper supporting hole is vertically arranged in the center of the interior of the extrusion block, the internal diameter of the upper supporting hole is equal to the internal diameter of a lower supporting hole, a cylindrical die core is vertically arranged downwards in the center of the top of the upper supporting hole, the top end of the die core is connected with the bottom of the upper die, the height of the die core is equal to the height of a lower die, the diameter of the die core is equal to the internal size of a die core guide hole, a circular positioning hole is vertically arranged in front of the left upper die and in;

the electric control reversing valve is rectangular and is arranged in the rack, a front channel and a rear channel of the electric control reversing valve are respectively connected with an upper cavity and a lower cavity of the oil cylinder through oil pipes, and an oil inlet of the electric control reversing valve is connected with the hydraulic pump station through the oil pipe;

the control box is arranged at the top of the rack, a switch button is arranged in front of the control box, and a power supply is arranged inside the control box;

the power supply is connected with the switch button through a power line, and the switch button is connected with the electric control reversing valve through a power line.

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