CN105414227B - The forming module and former that bulb is taken over - Google Patents
The forming module and former that bulb is taken over Download PDFInfo
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- CN105414227B CN105414227B CN201510897400.1A CN201510897400A CN105414227B CN 105414227 B CN105414227 B CN 105414227B CN 201510897400 A CN201510897400 A CN 201510897400A CN 105414227 B CN105414227 B CN 105414227B
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- cavity wall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
- B21C25/025—Selection of materials therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The application discloses the forming module and former that a kind of bulb is taken over.The forming module includes engine base, clamping device, die assembly and molding machine.The die assembly is mounted on engine base, and including die sleeve, shaping mould and plug, which is made of special ceramic material, while shaping mould is fixed in die sleeve and with the forming cavity for squeezing pipe joint body.Shaping mould made of this special ceramic material has high-wearing feature, and deformation is small, and with good self lubricity, is highly suitable as the cold upsetting die of car of metal plastic forming, i.e. cold extrusion molding mould.The former that the application provides includes at least two forming modules, which is of different sizes size, and the bulb that different pressures are met available for manufacture is taken over.The former can select different forming modules according to actual demand, realize modularization, greatly facilitate actual production use.
Description
Technical field
This application involves mechanical manufacturing field, the molding machine taken over more particularly, to a kind of bulb.
Background technology
Hydraulic fitting uses most wide most crucial hydraulic pressure auxiliary element product in being driven as Modern hydraulic, be connected to
Each hydraulic component, hydraulic system and equipment are indispensable links in various industrial installations, and usage amount is very
It is huge.
In hydraulic system, either normal pressures hydraulic system or Superhigh Pressure Hydraulic System all exist and easily generate
The problem of leakage, also vibration proof performance, stringing convenience, service life etc. are also very real the problem of facing, practical
In upper present hydraulic system applications, the leakage brought due to pipe connects is still a main problem.
In this regard, in order to meet application of the hydraulic fitting in high pressure and extra high voltage system, reveal existing one kind and connect with bulb
Pipe joint structure based on pipe (being taken over spherical surface forming head body) relies primarily on the spherical surface forming head body taken over and fittings body
Crimp is into surface seal structure, so as to improve the sealing performance of pipe fitting.Meanwhile taken over to manufacture the bulb, typically
Clamping is will take over using clamping device, then the ball mould made of using smart steel pushes the head for receiving pipe in the driving of molding machine
Body makes a body be deformed into spheric.
But in more than bulb take over forming process, the cold extrusion shaped effect of ball mould is undesirable made of smart steel, friction resistance
Power is big, and fever is apparent, and service life is relatively low, causes die deformation, mold overheat, the yield rate drop taken over so as to cause bulb
It is low.
Invention content
The application provides the forming module and former that a kind of novel bulb is taken over.
The forming module that the bulb that the application provides is taken over, including：
Engine base；
Clamping device, the clamping device are mounted on engine base, are taken over for clamping；
Die assembly, the die assembly is mounted on engine base, including die sleeve, shaping mould and plug, the shaping mould
It is made of special ceramic material, the shaping mould is fixed in die sleeve and with the forming cavity for squeezing pipe joint body, the mould
Set and shaping mould are equipped with plug hole, and the plug runs through the plug hole；
And molding machine, the molding machine are mounted on engine base, for the head body that shaping mould extruding is driven to take over.
As being further improved for the forming module, the die sleeve is made of metal material, and the shaping mould hot insert exists
In die sleeve.
As being further improved for the forming module, the forming cavity is included from the sequentially connected molding outward of plug hole
Cavity wall, intermediate cavity wall and ending cavity wall, the intermediate cavity wall are cricoid Internal Spherical Surface shape, the molding cavity wall and intermediate cavity wall
Curvature is different.
As being further improved for the forming module, the molding cavity wall includes the first molding cavity wall and is molded with first
Second molding cavity wall of cavity wall connection, the intermediate cavity wall are connected to after the second molding cavity wall, the first molding cavity wall
Curvature is the 118%-128% of intermediate cavity wall curvature, and the curvature of the second molding cavity wall is the 118%- of intermediate cavity wall curvature
106%.
As being further improved for the forming module, the curvature of the first molding cavity wall is intermediate cavity wall curvature
122%, the curvature of the second molding cavity wall is the 110% of intermediate cavity wall curvature.
As being further improved for the forming module, length of the first molding cavity wall in forming cavity axial direction accounts for whole
The 13%-16% of a molding cavity length, length of the second molding cavity wall in forming cavity axial direction account for entire molding cavity length
16%-20%.
As being further improved for the forming module, it is described ending cavity wall include sequentially connected first ending cavity wall,
Second ending cavity wall and third ending cavity wall；The first ending cavity wall is connect with intermediate cavity wall, and its curvature is intermediate cavity wall
The 100%-110% of curvature, it is described second ending cavity wall curvature be intermediate cavity wall curvature 120%-130%, the third
The curvature for the cavity wall that finishes up is the 95%-85% of intermediate cavity wall curvature.
As being further improved for the forming module, the curvature of the first ending cavity wall is intermediate cavity wall curvature
105%, the curvature of the second ending cavity wall is the 126% of intermediate cavity wall curvature, during the curvature of third ending cavity wall is
Between cavity wall curvature 90%.
As being further improved for the forming module, length of the first ending cavity wall in forming cavity axial direction accounts for whole
The 10%-14% of a molding cavity length, length of the second ending cavity wall in forming cavity axial direction account for entire molding cavity length
14%-18%, length of the third ending cavity wall in forming cavity axial direction accounts for the 4%-6% of entire molding cavity length.
As being further improved for the forming module, the clamping device includes clamping cylinder, adjustment screw component and folder
Tight block assembly, the block assembly that clamps have for the accommodating clamping chamber taken over；The clamping cylinder and adjustment screw component are pacified
On engine base, and the clamping block assembly is clamped from both sides respectively；The molding machine includes moulding cylinder, the moulding cylinder peace
On engine base, for the piston effect of the moulding cylinder in die assembly, driving shaping mould squeezes the head body taken over；The moulding cylinder
It is driven with clamping cylinder using more than 70MPa hydraulic systems.
The former that the bulb that the application provides is taken over, including the molding for example described in any one of the above embodiments of at least two structures
Module.
The advantageous effect of the application is：
The forming module that the bulb that the application provides is taken over, including engine base, clamping device, die assembly and molding dress
It puts.The clamping device is taken over for clamping, and die assembly is then mounted on engine base, including die sleeve, shaping mould and plug, this into
Pattern is made of special ceramic material, while shaping mould is fixed in die sleeve and has the forming cavity for squeezing pipe joint body, into
Type device is then used for the head body that shaping mould extruding is driven to take over.Shaping mould made of this special ceramic material has high-wearing feature, deformation
It is small, and with good self lubricity, it is highly suitable as the cold upsetting die of car of metal plastic forming, i.e. cold extrusion molding mould.
The more smart steel moald-cavity higher of bulb take over yield rate as made from the forming module.
The former that the application provides includes at least two forming modules, which is of different sizes greatly
Small, the bulb that different pressures are met available for manufacture is taken over.The former can select different shaping moulds according to actual demand
Block realizes modularization, greatly facilitates actual production use.
Description of the drawings
Fig. 1 is a kind of sectional view of embodiment of forming module that the application bulb is taken over；
Fig. 2 is the exploded view under embodiment illustrated in fig. 1 section view state；
Fig. 3 is the exploded view under die assembly section view state in embodiment illustrated in fig. 1；
Fig. 4 is shaping mould sectional view in embodiment illustrated in fig. 1；
Fig. 5 is bulb take over sectional view after molding；
Fig. 6 is a kind of structure diagram of embodiment of former that the application bulb is taken over；
Fig. 7 is the structure diagram of former another kind embodiment that the application bulb is taken over.
Specific embodiment
The present invention is described in further detail below by specific embodiment combination attached drawing.The application can be with a variety of
Different forms is realized, however it is not limited to the present embodiment described embodiment.The purpose of detailed description below is provided
It is easy for becoming apparent from present disclosure thorough explanation, the words of the wherein indicating positions such as upper and lower, left and right is only needle
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit or can also adopt with other methods, component or material.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical solution can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment related method
Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, required unless expressly stated according to a certain sequence.
Embodiment one：
The present embodiment one provides the forming module that a kind of bulb is taken over.
The forming module includes engine base, clamping device, die assembly and molding machine.
The clamping device is mounted on engine base, is taken over for clamping.Clamping device can be hand-operated clamping, can also utilize
The power such as gas-liquid electricity are clamped.
Die assembly is mounted on engine base, and including die sleeve, shaping mould and plug, which is made of special ceramic material.
Shaping mould is fixed in die sleeve and is equipped with plug hole with the forming cavity for squeezing pipe joint body, die sleeve and shaping mould,
Plug runs through the plug hole.
The molding machine is mounted on engine base, for the head body that shaping mould extruding is driven to take over.Similarly, which can
To be manual force molding, can also be molded using power such as gas-liquid electricity.
Specifically, it please refers to Fig.1 with 2, engine base 100 has installation cavity 110, for installing all parts.The present embodiment institute
Exemplary clamping device includes clamping cylinder 200, clamps block assembly 300 and adjustment screw component 400.
The clamping block assembly 300 has for the accommodating clamping chamber 330 taken over.Specifically, which can be with
Including two gripping blocks 310,320, which is enclosed a clamping chamber 330.The clamping block assembly
300 are mounted on engine base 100, and relaxed state is in before insertion take over 900.
The clamping cylinder 200 and adjustment screw component 400 are installed on engine base 100, and clamp above-mentioned folder from both sides respectively
Tight block assembly 300.It please refers to Fig.1 with 2, which can be by screw lock on engine base 100.Meanwhile the tune
Screw rod 410 can be moved relative to engine base 100 in whole screw arbor assembly 400, you can clamp block assembly 300 in engine base 100 with adjustment
On position.
The clamping cylinder 200 using hydraulic-driven, piston 210 and screw rod 410 in adjustment screw component 400 respectively from
Both sides, which resist, clamps block assembly 300.After take over 900 is put into and clamps chamber 330, the piston 210 is gradual under hydraulic system driving
Gripping block 310 is pushed to move, so as to clamp take over 900.
Please continue to refer to Fig. 1 and 2, the clamping device exemplified by the present embodiment includes molding machine and includes moulding cylinder 800.It should
Moulding cylinder 800 is mounted on engine base 100, is driven by hydraulic system.The piston 810 of moulding cylinder 800 acts on die assembly, drives
Dynamic shaping mould 600 squeezes the head body of take over 900.As shown in figure 5, take over 900 after molding has the head body 910 of spheric.
Wherein, moulding cylinder 800 and clamping cylinder 200 can be driven using more than 70MPa hydraulic systems.
Please continue to refer to Fig. 1 to 4, the shaping mould 600 can be using zirconium oxide or silicon nitride special ceramic material through into
Type, enhancing are sintered and are processed into.Shaping mould 600 made of this special ceramic material has high-wearing feature, and deformation is small, and with good
Good self lubricity is highly suitable as the cold upsetting die of car of metal plastic forming, i.e. cold extrusion molding mould.By the forming module
The more smart steel moald-cavity higher of 900 yield rate of bulb take over obtained.
Further, in order to make up the impact flexibility deficiency of special pottery mold and enhancing mold integral strength and durability, this
The tool of shaping mould 600 of application technology is embedded in made of metal material using hot insert (attire) technology in die sleeve 500.
Concrete technology is as follows：
First, different interference volumes is designed according to different specification size, regular size is generally 0.01-0.03mm, by mould
Set 500 is heated to 220-280 DEG C in cabinet-type electric furnace, continues 2-4 hours, while is heated into pattern 600 up to 1- with 120-180 DEG C
2 hours, then manually easily shaping mould 600 is bumped into die sleeve 500 with anti-scald gloves.Principle is that special less than 120 DEG C of pottery is basic
It does not expand with heat and contract with cold, 120 DEG C or more heat expansion deformations are also seldom, far away from the heat expansion deflection of die sleeve 500, in addition warm temperature is low
Time is short, so metallic sheath deflection (diameter becomes larger) and the difference of 600 heat expansion deflection (becoming larger a little) of shaping mould are enough greatly
The interference volume stayed when design, shaping mould 600 are able to easily be bumped into die sleeve 500, treat that temperature restores normal, shaping mould 600
Just it is firmly embedded in die sleeve 500.Here it is hot-mounting process or attires.
Further, please refer to Fig.3,4, in order to make take over 900 after molding have better seal performance, the forming cavity
610 include being molded cavity wall 611, intermediate cavity wall 612 and ending cavity wall 613 from plug hole 620 is sequentially connected outward.Wherein, into
Cavity wall 611 is different from the curvature of intermediate cavity wall 612.
The intermediate cavity wall 612 is cricoid Internal Spherical Surface shape so that bulb take over 900 obtained can be in any angle and pipe
Fittings body taper hole forms effective sealing.
Molding cavity wall 611 and the cavity wall 613 that finishes up then need the kinematics in view of metal CONFORM Cladding, plastic deformation
Translation gliding, glide band, twin, twinning deformation, dislocation motion in metallography etc., in short, bulb forming process wishes stress
It is progressive, flowing is good, deformation is uniform, for finished product, macroscopic view watch a ball game complete head shapes, smooth smooth-going, non-wrinkled burr, without significantly
Cross pressure point (band), it is microcosmic on then consider to reduce whisker, reduce crystal denaturation hardening, ensure metal fibre integrity etc..
This technology equipment bulb forming process is a cold extrusion shaped process of metal, i.e., metallic crystal is because of active force and mould
Tool generates sliding, dislocation motion, twin etc. and forms new shape.Glide band and then become slide surface, it is, in general, that slide surface
The always most close face of atomic arrangement, this is exactly that our finished products are needed to be considered, i.e., practical band --- external ball surface part (ball
Head stage casing) have certain densification because of atomic arrangements such as slidings, but should not lose original material key property and cannot be excessively hard
Change, it is just right that product made from present techniques former has succeeded in doing, i.e., bulb sealing zone face, material capability obtain
To reinforcement, crucial elasticity and recovery capability be not because extrusion forming decrease is strengthened instead；And leading portion (the i.e. ball of finished product bulb
Head take over 900 and 611 corresponding part of molding cavity wall) and endpiece (i.e. bulb take over 900 and 613 corresponding part of ending cavity wall)
The necessarily most close face of atomic arrangement, strain hardening are inexorable trends, and the two of product are made in present techniques former
Though position has apparent hardening elasticity to weaken, there is no fibrous fracture is generated, the certain hardenability of endpiece is conducive to locking screw
The compression and repeated action of bolt, bulb leading portion have no direct effect with union body, so the bulb front end of hardening does not influence
The normal use of pipe fitting.
Further, please continue to refer to Fig. 4, which includes the first molding cavity wall 6111 and is molded with first
The second molding cavity wall 6112 that cavity wall 6111 connects, intermediate cavity wall 612 are connected to after the second molding cavity wall 6112.First molding
118%-128% of the curvature of cavity wall 6111 for intermediate 612 curvature of cavity wall, such as 122%.The curvature of second molding cavity wall 6112
For the 118%-106% of intermediate 612 curvature of cavity wall, such as 110%.Here curvature can be understood as the center shown in a along Fig. 4
Plane cutting where line is molded the curvature of each section of gained transversal curve in cavity wall.
Further, it is also possible to make length of the first molding cavity wall 6111 on forming cavity 610 axial (i.e. direction shown in a in Fig. 4)
Degree accounts for the 13%-16% of entire 610 length of forming cavity, and length of the second molding cavity wall 6112 in 610 axial direction of forming cavity accounts for
The 16%-20% of 610 length of entire forming cavity.
Further, please continue to refer to Fig. 4, ending cavity wall 613 includes the sequentially connected first ending cavity wall 6131, second
The cavity wall 6132 that finishes up and third ending cavity wall 6133.During first ending cavity wall 6131 is connect with intermediate cavity wall 612, and its curvature is
Between 612 curvature of cavity wall 100%-110%, such as 105%.The curvature of second ending cavity wall 6132 is intermediate 612 curvature of cavity wall
120%-130%, such as 126%.95%-85% of the curvature of third ending cavity wall 6133 for intermediate 612 curvature of cavity wall, example
Such as 90%.Here curvature can be understood as along Fig. 4 plane cutting where center line shown in a, each section of institute in 610 wall of forming cavity
Obtain the curvature of transversal curve.
In addition, length of the first ending cavity wall 6131 on forming cavity 610 axial (i.e. direction shown in a in Fig. 4) accounts for entirely
The 10%-14% of 610 length of forming cavity, length of the second ending cavity wall 6132 in 610 axial direction of forming cavity account for entire forming cavity
The 14%-18% of 610 length, length of the third ending cavity wall 6133 in 610 axial direction of forming cavity account for entire 610 length of forming cavity
4%-6%.
It should be noted that only it is the general accounting for showing schematically each section of forming cavity in Fig. 4, not in strict accordance with each
Drafting accurate in scale, specifically ratio be still subject to word description.
This forming module manufacture bulb take over step is summarized as follows：
The first step：Inlet pipe.The standby mode that clamping cylinder 200 and moulding cylinder 800 are retracted all in piston at this time；It manually will pipe
Base is sent into forming cavity 330, cannot be advanced until blank end is withstood, and represents that pipe has been sent into place；
Second step：It clamps.Clamping cylinder 200 is started to work, and piston 210 stretches out, and pipe is held tightly；
Third walks：Molding.Moulding cylinder 800 is started to work, and piston 810 stretches out, and pipe head is pressed into forming cavity 610,
Meanwhile the plug 700 through die sleeve 500 and the plug hole 510,620 of shaping mould 600 resists the endoporus of pipe, prevents pipe head
The inside bore deformation in portion, finally makes head slowly be molded；
4th step：Take pipe.After equipment receives the signal of tubulation completion, the piston of clamping cylinder 200 and moulding cylinder 800 is simultaneously
It retracts, again in standby mode, 900 taking-up of bulb take over for manually directly completing tubulation.
Shaping mould 600 is conducive to the three dimension stress of 900 leading edge deformation of take over using being designed with above, and cooperation has good from profit
The special pottery mold materials of slip, the moulding process design of shaping mould 600 and the present embodiment, which fully considers, makes metal with good
Mobility, the uniformity of flow of metal process, forming process reduce contact surface of mold and pipe etc., so as to obtain it is satisfied from
Band ball head tube connector product.
The tissue of forming module interiors of products shown in the present embodiment and performance are good, and stock utilization is high, and streamline distribution is reasonable, ruler
Very little precision is high, has reached and has been required without cutting, and production efficiency is high, is suitable for producing in enormous quantities.
Embodiment two：
The present embodiment two provides a kind of former.
The former includes the forming module at least two structures as shown in above-described embodiment one.Wherein, these are molded
Module is of different sizes size.
That is, the forming module shown in embodiment one, can be combined in an arbitrary manner, so as to form the present embodiment two
Shown former.Identical structure, but the forming module of different sizes can make the bulb used under different pressures and connect
Pipe 900.
Fig. 6 is please referred to, the combination of two kinds of forming modules is given in figure, respectively includes forming module A and forming module
B。
Forming module A can be used for manufacturing：
31.5MPa and following DN5-DN15 pipe fitting tubulations；
70MPa and following DN4-DN8 pipe fitting tubulations；
200MPa and following DN1.5 pressure gauge pipe joint tubulations.
Forming module B can be used for manufacturing：
31.5MPa and following DN20-DN25 pipe fitting tubulations；
70MPa and following DN20 pipe fitting tubulations.
Fig. 7 is please referred to, the combination of three kinds of forming modules is given in figure, respectively includes forming module A, forming module C
With forming module D.
Forming module C can be used for manufacturing：
70MPa and following DN10-DN15 pipe fitting tubulations；
For 200MPa and following DN6 pipe fitting tubulations.
Forming module D can be used for manufacturing：
70MPa and following DN25 pipe fitting tubulations.
Wherein, forming module ABCD difference lies in：
Equal pressure limit difference latus rectum specification：The diameter and axial length and height etc. of main Sphere Model chamber are different,
Its easement curve ratio is basically unchanged；
Equal latus rectum pressure limit is different：Due to wall thickness difference, practical bulb outer diameter variation, cold-heading calendering change section parting
It is thicker (meat thick) to belong to layer, so, Sphere Model chamber diameter and axial length and height etc. are different, and easement curve also have it is a little
Variation, but within the above range.
In this former, user can require to be arbitrarily made with pattern block according to regular size or user, greatly place
Actual production use.
This former can also add traveling wheel, handspike, lifting lug etc. simultaneously, facilitate scene passage, lifting.
The above content is combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made.
Claims (6)
1. a kind of forming module that bulb is taken over, which is characterized in that including：
Engine base；
Clamping device, the clamping device are mounted on engine base, are taken over for clamping；
Die assembly, the die assembly are mounted on engine base, and including die sleeve, shaping mould and plug, the shaping mould is by spy
Ceramic material is made, and the shaping mould is fixed in die sleeve and with the forming cavity for squeezing pipe joint body, the die sleeve and
Shaping mould is equipped with plug hole, and the plug runs through the plug hole；
And molding machine, the molding machine are mounted on engine base, for the head body that shaping mould extruding is driven to take over；
The forming cavity includes being molded cavity wall, intermediate cavity wall and ending cavity wall, the centre from plug hole is sequentially connected outward
Cavity wall is cricoid Internal Spherical Surface shape, and the molding cavity wall is different from the curvature of intermediate cavity wall；
The molding cavity wall includes the first molding cavity wall and the second molding cavity wall being connect with the first molding cavity wall, the intermediate cavity
Wall is connected to after the second molding cavity wall, and described first is molded 118%-128% of the curvature for intermediate cavity wall curvature of cavity wall, institute
The curvature for stating the second molding cavity wall is the 118%-106% of intermediate cavity wall curvature；The first molding cavity wall is in forming cavity axial direction
On length account for the 13%-16% of entire molding cavity length, length of the second molding cavity wall in forming cavity axial direction accounts for whole
The 16%-20% of a molding cavity length；
The ending cavity wall includes the sequentially connected first ending cavity wall, the second ending cavity wall and third ending cavity wall；Described
One ending cavity wall is connect with intermediate cavity wall, and the 100%-110% that its curvature is intermediate cavity wall curvature, the second ending cavity wall
Curvature be intermediate cavity wall curvature 120%-130%, the curvature of third ending cavity wall is the 95%- of intermediate cavity wall curvature
85%；
The length of the first ending cavity wall in forming cavity axial direction accounts for the 10%-14% of entire molding cavity length, and described second
Length of the cavity wall that finishes up in forming cavity axial direction accounts for the 14%-18% of entire molding cavity length, the third ending cavity wall into
Length in cavity axial direction accounts for the 4%-6% of entire molding cavity length.
2. forming module as described in claim 1, which is characterized in that the die sleeve is made of metal material, the shaping mould
Hot insert is in die sleeve.
3. forming module as described in claim 1, which is characterized in that the curvature of the first molding cavity wall is bent for intermediate cavity wall
The 122% of rate, the curvature of the second molding cavity wall is the 110% of intermediate cavity wall curvature.
4. forming module as described in claim 1, which is characterized in that the curvature of the first ending cavity wall is bent for intermediate cavity wall
The 105% of rate, the curvature of the second ending cavity wall is the 126% of intermediate cavity wall curvature, the curvature of the third ending cavity wall
90% for intermediate cavity wall curvature.
5. such as claim 1-4 any one of them forming modules, which is characterized in that the clamping device includes clamping cylinder, adjusts
Whole screw arbor assembly and clamping block assembly, the block assembly that clamps have for the accommodating clamping chamber taken over；The clamping cylinder and tune
Whole screw arbor assembly is installed on engine base, and clamps the clamping block assembly from both sides respectively；The molding machine includes molding
Cylinder, the moulding cylinder are mounted on engine base, and the piston effect of the moulding cylinder in die assembly, take over by driving shaping mould extruding
Head body；The moulding cylinder and clamping cylinder are driven using more than 70MPa hydraulic systems.
6. the former that a kind of bulb is taken over, which is characterized in that including at least two structures such as any one of claim 1-5 institutes
The forming module stated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510897400.1A CN105414227B (en) | 2015-12-07 | 2015-12-07 | The forming module and former that bulb is taken over |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897400.1A CN105414227B (en) | 2015-12-07 | 2015-12-07 | The forming module and former that bulb is taken over |
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| CN105414227A CN105414227A (en) | 2016-03-23 |
| CN105414227B true CN105414227B (en) | 2018-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107790566B (en) * | 2017-09-28 | 2018-11-20 | 广东骏驰科技股份有限公司 | A kind of molding of straight tube guarantees device and process flow |
| CN108097809B (en) * | 2017-12-19 | 2018-10-09 | 广东骏驰科技股份有限公司 | A kind of anti-drawing material mold for automobile pipe fitting molding convex closure |
| CN111659922B (en) * | 2020-06-04 | 2021-04-13 | 临海市万宏机电配件厂 | Metal tube ball head processing equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3601385A1 (en) * | 1986-01-18 | 1987-07-23 | Krupp Gmbh | METHOD FOR PRODUCING SINTER BODIES WITH INNER CHANNELS, EXTRACTION TOOL FOR IMPLEMENTING THE METHOD, AND DRILLING TOOL |
| CN1066813A (en) * | 1991-05-19 | 1992-12-09 | 蔡国强 | Die presser for ping-pong ball |
| US5586792A (en) * | 1995-02-21 | 1996-12-24 | Bundy Corporation | Quick connector with integral release mechanism |
| CN2414274Y (en) * | 1999-07-19 | 2001-01-10 | 李永强 | Joint valve for split air conditioner |
| CN104235536B (en) * | 2014-09-24 | 2017-01-18 | 广东华液动力科技有限公司 | Connecting tube, hard tube connector structure as well as device and method for machining connecting tube |
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