CN116900150B - Forming device for metal hose - Google Patents
Forming device for metal hose Download PDFInfo
- Publication number
- CN116900150B CN116900150B CN202311174496.XA CN202311174496A CN116900150B CN 116900150 B CN116900150 B CN 116900150B CN 202311174496 A CN202311174496 A CN 202311174496A CN 116900150 B CN116900150 B CN 116900150B
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- China
- Prior art keywords
- fixedly connected
- pipe
- liquid
- sealing ring
- punch
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- 239000002184 metal Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 119
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims description 31
- 238000000465 moulding Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 9
- 210000001161 mammalian embryo Anatomy 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/045—Closing or sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to the field of metal hose processing, and particularly relates to a forming device for a metal hose, which comprises a support frame, a first fixing frame and the like; the invention has the advantages that the liquid in the pipe blank is continuously pressurized through the hydraulic equipment, so that the liquid extrudes the sealing ring, the sealing ring is expanded to be attached to the inner wall of the pipe blank, when the pipe blank is extruded and deformed by the subsequent continuous pressurization, the sealing ring is continuously extruded, the sealing ring is always attached to the inner wall of the pipe blank, and along with the increase of the hydraulic pressure in the pipe blank, the sealing ring is tightly attached to the inner wall of the pipe blank, the sealing effect of the pipe blank is ensured, and the problems that the edge of a pipe blank port is quite sharp, a rubber ring is easy to damage, the sealing performance of a punch head is reduced, the leakage and the pressure relief are easy to occur, and the forming of the corrugated pipe is influenced are solved.
Description
Technical Field
The invention belongs to the field of metal hose processing, and particularly relates to a forming device for a metal hose.
Background
The metal corrugated pipe belongs to one kind of metal hose, and at present, the metal corrugated pipe is mainly formed through hydraulic machining, and specifically comprises the following steps:
firstly, placing a tube blank on a lower half die, closing an upper half die and a lower half die, extending left and right punches into two ports of the tube blank to form a closed cavity, and simultaneously injecting liquid into the tube blank;
secondly, increasing the liquid pressure in the tube blank, uniformly acting high-pressure liquid on a die cavity, fixing a left punch and a right punch, and forming a primary wave by utilizing the liquid pressure and the restraint of the die cavity;
thirdly, after the primary wave forming is finished, axial pressure is applied to enable the die to feed until the primary wave is attached, the primary wave is extruded into a die cavity, then the liquid pressure in the tube blank is further increased, and the tube wall is attached to the die cavity and the waveform is fixed;
wherein the punch is usually provided with a rubber ring for sealing, the rubber ring is provided with a certain compression amount for ensuring the sealing effect, when the punch extends into a tube blank port, the rubber ring on the punch is easy to scrape with the edge of the tube blank port, the tube blank is usually cut and intercepted, the edge of the tube blank port is quite sharp, the rubber ring is easy to damage, the sealing performance of the punch is reduced, the problem of liquid leakage and pressure relief is easy to occur, the corrugated tube molding is influenced, wherein the die consists of a plurality of die halves, when a primary wave is formed, the die halves are propped against the outer surface of the tube blank, and the primary wave is formed by extrusion of liquid pressure, the die propping position is not deformed by hydraulic extrusion, but the high pressure enables the extrusion of the tube blank and the die propping position to be thinner, so that the quality of the formed corrugated tube is affected, and due to the quality problem of the tube blank, the wall thickness of each position of the tube blank can be slightly different, in the primary wave forming process, the local wall thickness of the tube blank can be excessively deformed at the relatively thinner position, the deformation is relatively small at the relatively thicker position, the die propping position corresponds to the trough position of the primary wave, and the crest position is not limited, so that the heights of wave peaks are different after the primary wave is formed, and the quality of the corrugated tube is affected.
Disclosure of Invention
In order to overcome the defects that the edge of a tube blank port is quite sharp, a rubber ring is easy to damage, the sealing performance of a punch head is reduced, the problem of liquid leakage and pressure relief is easy to occur, and the molding of a corrugated tube is influenced, the invention provides a molding device for a metal hose.
The technical scheme of the invention is as follows: a molding device for a metal hose comprises a support frame and a first fixing frame; the left part and the right part of the support frame are fixedly connected with a first fixing frame respectively; the device also comprises a hydraulic cylinder, a punch, a liquid guide tube, a sealing ring, an exhaust valve and a limiting component; the front part and the rear part of the support frame are fixedly connected with a hydraulic cylinder respectively; the telescopic ends of the two hydraulic cylinders are fixedly connected with a punch respectively; a sealing ring is sleeved on each of the two punches, and the height of the outer surface of the sealing ring is lower than that of the outer surface of each punch; each punch is communicated with a liquid guide pipe; each punch is internally provided with a plurality of first liquid guide grooves, the liquid guide pipes are provided with through holes corresponding to the first liquid guide grooves one by one, and all the first liquid guide grooves in the same punch are communicated with the corresponding liquid guide pipe through holes; all the first liquid guide grooves in the same punch are communicated with the corresponding sealing rings; the front punch is provided with a second liquid guide groove, and the front sealing ring is provided with a through hole communicated with the second liquid guide groove; the front punch is connected with an exhaust valve, and the front sealing ring is provided with a through hole communicated with the exhaust valve; and two first fixing frames are respectively connected with a limiting assembly, and the limiting assemblies are used for limiting the blank tube primary wave forming.
More preferably, the right limiting component comprises a cylinder, a mounting rack and a semicircular ring; a plurality of air cylinders are fixedly connected on the first fixed frame on the right; the telescopic ends of all the cylinders are fixedly connected with a mounting frame; the mounting frame is fixedly connected with a plurality of equidistant semicircular rings, and arc-shaped grooves are formed in the semicircular rings.
More preferably, the device also comprises a pressure release pipe, a spring seat, a sealing plug and a conical rod; the front punch is fixedly connected with and communicated with a pressure relief pipe; a spring seat is fixedly connected in the pressure relief pipe; a sealing plug is fixedly connected on the spring seat; the sealing plug is connected with the pressure relief pipe in a sliding way; the pressure release pipe is internally fixedly connected with a plurality of conical rods, and the diameter of the rear part of the inner wall of the pressure release pipe is larger than that of the sealing plug.
More preferably, the device further comprises a material taking assembly, wherein the first fixing frame on the left side is connected with the material taking assembly, and the material taking assembly is used for taking and placing pipe blanks; the material taking assembly consists of a fixed plate, an electric push rod, an electric clamp and a power unit; a plurality of fixing plates are fixedly connected on the first fixing frame at the left side; all the fixing plates are connected with a power unit together; two electric push rods are fixedly connected to the power unit; the telescopic ends of the two electric push rods are fixedly connected with an electric clamp respectively, and the electric push rods and the electric clamp are driven to rotate through the power unit.
More preferably, the device also comprises a second fixing frame, a conveying belt and a limiting plate; the left part of the support frame is fixedly connected with a plurality of second fixing frames; all the second fixing frames are connected with a conveying belt together; two bilateral symmetry limiting plates are fixedly connected on all the second fixing frames; the two limiting plates are all located above the conveying belt, and two first through grooves are formed in the two limiting plates and used for the electric clamp to pass through.
More preferably, the device also comprises a material guiding sleeve; all the second fixing frames are fixedly connected with a material guiding sleeve; the material guiding sleeve is fixedly connected with the left limiting plate; two second through grooves are formed in the guide sleeve and used for the electric clamp to pass through.
More preferably, the device also comprises a cylinder, a separation disc and a liquid suction pipe; the conveying belt is provided with a cylinder; a plurality of equidistant isolation discs are fixedly connected on the cylinder; the cylinder is internally provided with a liquid delivery groove, the cylinder is provided with a plurality of liquid discharge holes, and all the liquid discharge holes are communicated with the liquid delivery groove; each liquid discharge hole below the cylinder is internally provided with a liquid suction pipe in a damping sliding manner, and one side of the liquid suction pipe, which is far away from the center of the cylinder, is provided with a plurality of notches.
More preferably, the rubber ring is also included; the opposite sides of the two punches are fixedly connected with a plurality of rubber rings with different diameters; annular grooves corresponding to the rubber rings one by one are formed in the two ends of the cylinder.
More preferably, the device also comprises a sealing ring and an annular air bag; a sealing ring is fixedly connected to the outer ring surface of each isolation disc; the front side of each sealing ring is fixedly connected and communicated with an annular air bag, and the outer ring surface of each sealing ring is provided with a rubber sheet.
More preferably, the device further comprises a protective cover and a baffle; a protective cover is fixedly connected on the punch in front; a baffle is fixedly connected on the punch at the rear part.
The beneficial effects are that: when the sealing device is used, the two punches are mutually close to each other and are inserted into two ports of a pipe blank to form a closed cavity, and as the outer surface height of the sealing ring is lower than that of the punches, the sealing ring is not contacted with the ports of the pipe blank when the punches are inserted into the pipe blank, so that the sealing effect is prevented from being affected by scratch and scratch of the sealing ring;
the hydraulic equipment is used for continuously pressurizing liquid in the pipe blank to enable the liquid to extrude the sealing ring, so that the sealing ring is expanded to be attached to the inner wall of the pipe blank, when the pipe blank is extruded and deformed by continuous pressurization, the sealing ring is continuously extruded, the sealing ring is always attached to the inner wall of the pipe blank, and along with the increase of the hydraulic pressure in the pipe blank, the sealing ring is attached to the inner wall of the pipe blank more tightly, so that the sealing effect of the pipe blank is ensured;
the inside of the pipe blank is divided into a plurality of cavities through the isolating disc and the sealing ring, each cavity corresponds to the wave crest position of one primary wave, the positions except the wave crest are prevented from being extruded by high-pressure liquid, the extrusion of other positions of the pipe blank is reduced, the quality of the formed corrugated pipe is improved, meanwhile, a large amount of space inside the pipe blank is occupied by a cylinder, the amount of liquid required to be input is greatly reduced, the time required for liquid input is reduced, and the processing efficiency is improved;
the liquid causes the extrusion to annular gasbag, makes the air in the annular gasbag lead into in the sealing washer, and then causes the extrusion to the sheet rubber, makes sheet rubber and the laminating of pipe embryo inner wall inseparable, avoids high pressure liquid to cause the extrusion to the part that pipe embryo and isolation disc correspond for pipe embryo produces unexpected deformation and influences the bellows shaping.
Drawings
FIG. 1 is a schematic perspective view showing a first construction of a molding apparatus for a metal hose according to the present invention;
FIG. 2 is a schematic view showing a second perspective structure of the molding apparatus for a metal hose according to the present invention;
FIG. 3 is a schematic perspective view showing a hydraulic cylinder and punch combination of the forming apparatus for a metal hose according to the present invention;
fig. 4 is a schematic cross-sectional perspective view of a punch of the forming apparatus for a metal hose according to the present invention;
FIG. 5 is an enlarged view of area A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic cross-sectional perspective view of a pressure relief tube of the forming apparatus for a metal hose according to the present invention;
FIG. 7 is a schematic perspective view of a spacing assembly of the forming device for metal hose of the present invention;
FIG. 8 is a schematic perspective view showing a combination of a second fixing frame, a conveyor belt and a limiting plate of the forming device for a metal hose according to the present invention;
FIG. 9 is a schematic perspective view of a cylinder, spacer disc and seal ring combination of the forming apparatus for a metal hose of the present invention;
FIG. 10 is a schematic perspective view showing a combination of a seal ring and an annular air bag for a molding apparatus for a metal hose according to the present invention;
fig. 11 is an enlarged view of region B of fig. 9 in accordance with the present invention.
In the reference numerals: 1-supporting frame, 2-first fixing frame, 001-first liquid guiding groove, 002-second liquid guiding groove, 003-first penetrating groove, 004-second penetrating groove, 005-pipe blank, 006-rubber sheet, 007-notch, 101-hydraulic cylinder, 102-punch, 103-liquid guiding pipe, 104-sealing ring, 105-exhaust valve, 201-cylinder, 202-mounting frame, 203-semicircular ring, 301-decompression pipe, 302-spring seat, 303-sealing plug, 304-taper rod, 401-fixing plate, 402-fixing rod, 403-electric push rod, 404-electric clamp, 405-driving motor, 501-second fixing frame, 502-conveying belt, 503-limiting plate, 601-guiding sleeve, 701-cylinder, 702-isolating disc, 703-sealing ring, 704-annular air bag, 705-liquid extracting pipe, 801-rubber ring, 901-protecting cover, 902-blocking sheet.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
A molding device for a metal hose, as shown in figures 1-7, comprises a support frame 1 and a first fixing frame 2; the left part and the right part of the support frame 1 are respectively welded with a first fixing frame 2;
the device also comprises a hydraulic cylinder 101, a punch 102, a liquid guide tube 103, a sealing ring 104, an exhaust valve 105 and a limiting component; the front part and the rear part of the support frame 1 are respectively connected with a hydraulic cylinder 101 through bolts; the telescopic ends of the two hydraulic cylinders 101 are fixedly connected with a punch 102 respectively; each of the two punches 102 is sleeved with a sealing ring 104, and the height of the outer surface of the sealing ring 104 is lower than that of the outer surface of the punch 102; each punch 102 is communicated with a liquid guide tube 103; four annular equidistant first liquid guide grooves 001 are formed in each punch 102, through holes corresponding to the first liquid guide grooves 001 one by one are formed in the liquid guide pipe 103, and all the first liquid guide grooves 001 in the same punch 102 are communicated with the corresponding through holes of the liquid guide pipe 103; all the first liquid guide grooves 001 in the same punch 102 are communicated with the corresponding sealing rings 104; the front punch 102 is provided with a second liquid guide groove 002, and the front sealing ring 104 is provided with a through hole communicated with the second liquid guide groove 002; the front punch 102 is connected with an exhaust valve 105, and the front sealing ring 104 is provided with a through hole communicated with the exhaust valve 105; two first fixing frames 2 are respectively connected with a limiting component, and the primary wave forming of the pipe blank 005 is limited through the limiting components.
The right limiting component comprises an air cylinder 201, a mounting frame 202 and a semicircular ring 203; two cylinders 201 are fixedly connected to the first fixing frame 2 on the right; the telescopic ends of all the cylinders 201 are fixedly connected with a mounting frame 202; the mounting frame 202 is connected with a plurality of equidistant semicircular rings 203 through bolts, and arc-shaped grooves are formed in the semicircular rings 203.
The pressure release pipe 301, the spring seat 302, the sealing plug 303 and the conical rod 304 are also included; the front punch 102 is fixedly connected with and communicated with a pressure relief pipe 301; a spring seat 302 is fixedly connected in the pressure relief pipe 301; a sealing plug 303 is fixedly connected to the spring seat 302; the sealing plug 303 is in sliding connection with the pressure relief tube 301; four annular equidistant conical rods 304 are fixedly connected to the rear portion of the inner wall of the pressure relief tube 301, and the diameter of the rear portion of the inner wall of the pressure relief tube 301 is larger than that of the sealing plug 303.
When the pipe blank 005 is in operation, the pipe blank 005 is placed between the two punches 102 through the external clamping equipment, the two hydraulic cylinders 101 are controlled to extend, the two punches 102 are mutually close to each other and are inserted into two ports of the pipe blank 005 to form a closed cavity, when the punch 102 is inserted into the pipe blank 005, the sealing ring 104 is not contacted with the ports of the pipe blank 005, so that the sealing effect is prevented from being damaged due to the scratch of the sealing ring 104 when the punch 102 is inserted into the pipe blank 005, the liquid is injected into the pipe blank 005 through the liquid guide pipe 103 which is externally connected with the hydraulic equipment, the liquid in the corrugated pipe is pumped and collected through the liquid pumping equipment after the corrugated pipe is formed, the air in the pipe blank 005 is discharged through the exhaust valve 105 until the liquid fills the pipe blank 005, and meanwhile the liquid is guided into the sealing ring 104 through the first liquid guide groove 001 and the second liquid guide groove 002, after the sealing ring 104 is filled with liquid, the liquid in the pipe blank 005 is continuously pressurized through hydraulic equipment, the liquid is enabled to extrude the sealing ring 104, the sealing ring 104 is enabled to expand and be attached to the inner wall of the pipe blank 005, when the pipe blank 005 is continuously pressurized and deformed in a follow-up manner, the sealing ring 104 is continuously extruded, the sealing ring 104 is always attached to the inner wall of the pipe blank 005, the more tightly the sealing ring 104 is attached to the inner wall of the pipe blank 005 along with the increase of the hydraulic pressure in the pipe blank 005, the sealing effect of the pipe blank 005 is ensured, the influence of liquid leakage on the corrugated pipe forming is avoided, then the cylinder 201 is controlled to extend to push the mounting frames 202 and the semicircular rings 203 to move, the semicircular rings 203 on the two mounting frames 202 are combined to form a complete circular ring, the surface of the pipe blank 005 is limited through the circular ring formed by the two semicircular rings 203, the liquid pressure in the pipe blank 005 is continuously increased, the pipe blank 005 is enabled to expand, until the surface of the pipe blank 005 is attached to the arc-shaped groove of the semicircular ring 203, at this time, the primary wave of the pipe blank 005 is formed, the phenomenon that the wave peak heights of the primary waves are different due to the problem of the wall thickness of the pipe blank 005 affects the quality of the corrugated pipe is avoided, then the air cylinder 201 is contracted and reset, the surface of the pipe blank 005 is limited through external die clamping equipment, axial pressure is applied to enable the die to feed until the pipe blank is attached, the primary wave is extruded into a die cavity, then the liquid pressure inside the pipe blank 005 is further increased, the pipe wall is attached to the die cavity, and the wave form is fixed, so that the corrugated pipe is formed.
After the pipe blank 005 is filled with liquid, in the process of pressurizing the liquid in the pipe blank 005 through hydraulic equipment, the liquid extrudes the sealing plug 303, the sealing plug 303 slides in the front side direction in the pressure release pipe 301, the spring seat 302 is compressed until the spring seat 302 is compressed to the limit, in the subsequent pressurizing process, once the pipe blank 005 breaks in the corrugated pipe forming process, the sealing plug 303 is subjected to pressure suddenly drop at the moment, the spring seat 302 releases elastic force to enable the sealing plug 303 to slide in the rear side direction, due to inertia, the sealing plug 303 slides to the rear part of the pressure release pipe 301, the sealing plug 303 is contacted with the conical rod 304 and extruded, the rebound process of the spring seat 302 is slowed, in the process, the pressure release pipe 301 is in an open state, high-pressure liquid in the pipe blank 005 is discharged through the pressure release pipe 301, injuries to operators are avoided, and meanwhile, the high-pressure liquid is prevented from being largely leaked and wasted.
Example 2
On the basis of embodiment 1, as shown in fig. 1-8, the device further comprises a material taking assembly, wherein the material taking assembly is connected to the first left fixing frame 2 and is used for taking and placing a pipe blank 005; the material taking assembly consists of a fixed plate 401, an electric push rod 403, an electric clamp 404 and a power unit; two fixing plates 401 are connected on the left first fixing frame 2 through bolts; all the fixing plates 401 are commonly connected with a power unit; two electric push rods 403 are connected to the power unit through bolts; the telescopic ends of the two electric push rods 403 are fixedly connected with an electric clamp 404 respectively, and the electric push rods 403 and the electric clamp 404 are driven to rotate by a power unit.
The power unit comprises a fixed rod 402 and a driving motor 405; the fixing rods 402 are connected to all the fixing plates 401 in a common rotation manner; the fixed rod 402 is fixedly connected with two electric push rods 403 through a connecting block; a driving motor 405 is connected to the front fixing plate 401 through bolts; an output shaft of the driving motor 405 is fixedly connected with the fixed rod 402.
The device also comprises a second fixing frame 501, a conveying belt 502 and a limiting plate 503; the left part of the support frame 1 is connected with two second fixing frames 501 through bolts; all the second fixing frames 501 are commonly connected with a conveying belt 502; two bilaterally symmetrical limiting plates 503 are fixedly connected to all the second fixing frames 501; two limiting plates 503 are located above the conveying belt 502, and two first through grooves 003 are formed in the two limiting plates 503 and used for the electric clamp 404 to pass through.
The device also comprises a material guiding sleeve 601; all the second fixing frames 501 are connected with a material guiding sleeve 601 through common bolts; the material guiding sleeve 601 is fixedly connected with the left limiting plate 503; two second through grooves 004 are formed in the material guiding sleeve 601 and are used for the electric clamp 404 to pass through.
During operation, a pipe blank 005 to be processed is conveyed into the material guide sleeve 601, the pipe blank 005 is guided between the two limiting plates 503 through the material guide sleeve 601, when the material is taken, the driving motor 405 is controlled to start, the output shaft of the driving motor 405 rotates ninety degrees clockwise based on the front-to-back direction, the fixing rod 402 drives the electric push rod 403 and the electric clamp 404 to rotate ninety degrees, the electric clamp 404 is positioned above the pipe blank 005, then the electric push rod 403 is controlled to extend, the pipe blank 005 is clamped through the electric clamp 404, then the driving motor 405 is reversely conveyed, the electric push rod 403 and the electric clamp 404 are reset, then the electric push rod 403 is controlled, the electric clamp 404 drives the pipe blank 005 to move between the two punches 102, after the punch 102 is inserted into the pipe blank 005, the electric clamp 404 loosens the pipe blank 005, the electric push rod 403 contracts and resets, after the pipe blank 005 is processed, the formed corrugated pipe is placed on the conveying belt 502, the next pipe blank 005 can be conveyed into the material guide sleeve 601 at the same time, the conveying belt 502 is started to convey the formed corrugated pipe blank to the rear side direction, the pipe blank 005 is conveyed into the position, and then the pipe blank 005 falls down to the conveying assembly 601 from the material guide sleeve 601 naturally, and the material is taken out.
Example 3
1-11, the device also comprises a cylinder 701, a separation disc 702 and an extraction tube 705; the conveyor belt 502 is provided with a cylinder 701; a plurality of equidistant isolation discs 702 are fixedly connected on the cylinder 701; a liquid delivery groove is formed in the cylinder 701, a plurality of liquid discharge holes are formed in the cylinder 701, and all the liquid discharge holes are communicated with the liquid delivery groove; each drain hole below the cylinder 701 is internally provided with a liquid suction pipe 705 in a damping sliding manner, and one side of the liquid suction pipe 705 far away from the center of the cylinder 701 is provided with four annular equidistant notches 007.
Also comprises a rubber ring 801; two rubber rings 801 with different diameters are fixedly connected to opposite sides of the two punches 102; annular grooves corresponding to the rubber rings 801 one by one are formed at two ends of the cylinder 701.
Also comprises a sealing ring 703 and an annular air bag 704; a sealing ring 703 is fixedly connected to the outer ring surface of each isolation disc 702; the front side of each sealing ring 703 is fixedly connected and communicated with an annular air bag 704, and the outer annular surface of each sealing ring 703 is provided with a rubber sheet 006.
The protective cover 901 and the baffle 902 are also included; a protective cover 901 is fixedly connected on the front punch 102; the baffle 902 is fixedly connected on the punch 102 at the rear, the two ends of the pipe blank 005 are propped against through the protective cover 901 and the baffle 902, the movement of the pipe blank 005 is prevented, the front part of the pipe blank 005 is protected and limited through the protective cover 901, and the deformation of the pipe blank 005, which is close to the pressure relief pipe 301, after being extruded is prevented.
During operation, the end of the cylinder 701 is clamped by the external clamping device, so that the end of the cylinder 701 is opposite to a pipe blank 005 to be processed on the conveying belt 502, after the pipe blank 005 is clamped by the material taking assembly, the cylinder 701 is inserted into the pipe blank 005 by the clamping device, the rubber sheet 006 on the outer ring surface of the sealing ring 703 is attached to the inner wall of the pipe blank 005, the inside of the pipe blank 005 is divided into a plurality of cavities by the isolating disc 702 and the sealing ring 703, each cavity corresponds to the peak position of one primary wave, the positions except the peak position of the high-pressure liquid extrusion are avoided, the extrusion of other positions of the pipe blank 005 is reduced, the quality of the formed corrugated pipe is improved, meanwhile, a large amount of space inside the pipe blank 005 is occupied by the cylinder 701, the required liquid input time is greatly reduced, the processing efficiency is improved, then the pipe blank 005 and the cylinder 701 are conveyed between two punches 102 by the material taking assembly, after the two punches 102 are inserted into the pipe blank 005, the two ends of the pipe blank 005 are propped against by the protective cover 901 and the baffle plates 902 to prevent the pipe blank 005 from moving, the front part of the pipe blank 005 is protected and limited by the protective cover 901 to prevent the part of the pipe blank 005 close to the pressure relief pipe 301 from being deformed after being extruded, the rubber ring 801 on the punches 102 is clamped into the annular groove at the end part of the cylinder 701, the opposite sides of the two punches 102 are respectively attached to one end of the cylinder 701, the two liquid guide pipes 103 are communicated with the cylinder 701, when liquid is input through the liquid guide pipes 103, the liquid is guided into the liquid conveying groove of the cylinder 701 through the liquid guide pipes 103 and then discharged into the pipe blank 005 through the liquid discharge holes, when the pipe blank 005 is filled with the liquid and is continuously pressurized, the liquid extrudes the annular air bag 704, so that the air in the annular air bag 704 is guided into the sealing ring 703 to extrude the rubber sheet 006, and the rubber sheet 006 is tightly attached to the inner wall of the pipe blank 005, the high-pressure liquid is prevented from extruding the corresponding part of the pipe blank 005 and the isolation disc 702, so that the pipe blank 005 is accidentally deformed to influence the corrugated pipe molding.
In the process of pressurizing liquid in the corrugated pipe blank 005 to enable the corrugated pipe to be formed, the liquid suction pipe 705 is extruded by the liquid to slide in the cylinder 701, so that one side of the liquid suction pipe 705 far away from the center of the cylinder 701 is always attached to the inner wall of the corrugated pipe blank 005, namely, after the corrugated pipe is formed, one side of the liquid suction pipe 705 far away from the center of the cylinder 701 is still attached to the inner wall of the corrugated pipe peak position, a notch 007 is formed in one side of the liquid suction pipe 705 far away from the center of the cylinder 701, so that the liquid suction pipe 705 cannot be completely blocked by the inner wall of the corrugated pipe, residual liquid at the corrugated pipe peak position is avoided when the liquid is sucked through the liquid suction pipe 705, liquid in the corrugated pipe is sucked through the catheter 103, the cylinder 701 and the liquid suction pipe 705 in the front after the corrugated pipe is formed, and the liquid in the corrugated pipe is completely discharged; after the material taking assembly places the formed corrugated pipe and the cylindrical column 701 on the conveying belt 502, the electric clamp 404 does not loosen the corrugated pipe, the external clamping device firstly takes the cylindrical column 701 out of the corrugated pipe, the electric clamp 404 loosens the corrugated pipe again, the conveying belt 502 conveys the corrugated pipe, and when the cylindrical column 701 is taken out of the corrugated pipe, the liquid suction pipe 705 contacts with the inner wall of the corrugated pipe and is extruded, so that the liquid suction pipe 705 slides and resets towards the circle center direction of the cylindrical column 701.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. All equivalents and alternatives falling within the spirit of the invention are intended to be included within the scope of the invention. What is not elaborated on the invention belongs to the prior art which is known to the person skilled in the art.
Claims (3)
1. A molding device for a metal hose comprises a support frame (1) and a first fixing frame (2); the left part and the right part of the support frame (1) are fixedly connected with a first fixing frame (2) respectively; the method is characterized in that: the device also comprises a hydraulic cylinder (101), a punch (102), a liquid guide tube (103), a sealing ring (104), an exhaust valve (105) and a limiting component; the front part and the rear part of the support frame (1) are fixedly connected with a hydraulic cylinder (101) respectively; the telescopic ends of the two hydraulic cylinders (101) are fixedly connected with a punch (102) respectively; a sealing ring (104) is sleeved on each of the two punches (102), and the height of the outer surface of the sealing ring (104) is lower than that of the outer surface of each punch (102); each punch (102) is communicated with a liquid guide pipe (103); a plurality of first liquid guide grooves (001) are formed in each punch (102), through holes corresponding to the first liquid guide grooves (001) one by one are formed in the liquid guide pipes (103), and all the first liquid guide grooves (001) in the same punch (102) are communicated with the corresponding through holes of the liquid guide pipes (103); all the first liquid guide grooves (001) in the same punch (102) are communicated with the corresponding sealing rings (104); a second liquid guide groove (002) is formed in the front punch (102), and a through hole communicated with the second liquid guide groove (002) is formed in the front sealing ring (104); an exhaust valve (105) is connected to the front punch (102), and a through hole communicated with the exhaust valve (105) is formed in the front sealing ring (104); two first fixing frames (2) are respectively connected with a limiting assembly, and the primary wave forming of the pipe blank (005) is limited through the limiting assemblies;
the pressure release device also comprises a pressure release tube (301), a spring seat (302), a sealing plug (303) and a conical rod (304); the front punch (102) is fixedly connected and communicated with a pressure relief pipe (301); a spring seat (302) is fixedly connected in the pressure relief pipe (301); a sealing plug (303) is fixedly connected on the spring seat (302); the sealing plug (303) is in sliding connection with the pressure release pipe (301); a plurality of conical rods (304) are fixedly connected in the pressure relief pipe (301), and the diameter of the rear part of the inner wall of the pressure relief pipe (301) is larger than that of the sealing plug (303);
the device also comprises a material taking assembly, wherein the left first fixing frame (2) is connected with the material taking assembly, and the material taking assembly is used for taking and placing pipe blanks (005); the material taking assembly consists of a fixed plate (401), an electric push rod (403), an electric clamp (404) and a power unit; a plurality of fixing plates (401) are fixedly connected on the first fixing frame (2) at the left side; all the fixing plates (401) are commonly connected with a power unit; two electric push rods (403) are fixedly connected to the power unit; the telescopic ends of the two electric push rods (403) are fixedly connected with an electric clamp (404) respectively, and the electric push rods (403) and the electric clamp (404) are driven to rotate by a power unit;
the device also comprises a second fixing frame (501), a conveying belt (502) and a limiting plate (503); the left part of the supporting frame (1) is fixedly connected with a plurality of second fixing frames (501); all the second fixing frames (501) are connected with a conveying belt (502) together; two bilaterally symmetrical limiting plates (503) are fixedly connected on all the second fixing frames (501) together; the two limiting plates (503) are all positioned above the conveying belt (502), and two first through grooves (003) are formed in the two limiting plates (503) and used for the electric clamp (404) to pass through;
the device also comprises a material guiding sleeve (601); all the second fixing frames (501) are fixedly connected with a material guiding sleeve (601) together; the material guiding sleeve (601) is fixedly connected with a left limiting plate (503); two second through grooves (004) are formed in the material guiding sleeve (601) and are used for the electric clamp (404) to pass through;
the device also comprises a cylinder (701), a separation disc (702) and a liquid suction tube (705); a cylinder (701) is arranged on the conveying belt (502); a plurality of equidistant isolation discs (702) are fixedly connected on the cylinder (701); a liquid delivery groove is formed in the cylinder (701), a plurality of liquid discharge holes are formed in the cylinder (701), and all the liquid discharge holes are communicated with the liquid delivery groove; a liquid suction pipe (705) is arranged in each liquid discharge hole below the cylinder (701) in a damping sliding way, and a plurality of notches (007) are formed on one side of the liquid suction pipe (705) away from the center of the cylinder (701);
also comprises a rubber ring (801); a plurality of rubber rings (801) with different diameters are fixedly connected to the opposite sides of the two punches (102); annular grooves which are in one-to-one correspondence with the rubber rings (801) are formed at two ends of the cylinder (701);
the device also comprises a sealing ring (703) and an annular air bag (704); the outer ring surface of each isolation disc (702) is fixedly connected with a sealing ring (703); the front side of each sealing ring (703) is fixedly connected and communicated with an annular air bag (704), and the outer annular surface of each sealing ring (703) is provided with a rubber sheet (006).
2. A forming device for a metal hose according to claim 1, wherein: the right limiting component comprises an air cylinder (201), a mounting rack (202) and a semicircular ring (203); a plurality of air cylinders (201) are fixedly connected on the first fixed frame (2) on the right; the telescopic ends of all the cylinders (201) are fixedly connected with a mounting frame (202) together; a plurality of equidistant semicircular rings (203) are fixedly connected on the mounting frame (202), and arc-shaped grooves are formed in the semicircular rings (203).
3. A forming device for a metal hose according to claim 1, wherein: the device also comprises a protective cover (901) and a baffle (902); a protective cover (901) is fixedly connected on the front punch (102); a baffle (902) is fixedly connected on the punch (102) at the rear part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311174496.XA CN116900150B (en) | 2023-09-13 | 2023-09-13 | Forming device for metal hose |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311174496.XA CN116900150B (en) | 2023-09-13 | 2023-09-13 | Forming device for metal hose |
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| CN116900150A CN116900150A (en) | 2023-10-20 |
| CN116900150B true CN116900150B (en) | 2023-11-17 |
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| CN202311174496.XA Active CN116900150B (en) | 2023-09-13 | 2023-09-13 | Forming device for metal hose |
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| CN117619984B (en) * | 2024-01-25 | 2024-05-07 | 维格斯(上海)流体技术有限公司 | Water expansion forming machine for stainless steel tube processing |
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| CN116900150A (en) | 2023-10-20 |
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