CN105583249B - One kind is using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique - Google Patents
One kind is using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique Download PDFInfo
- Publication number
- CN105583249B CN105583249B CN201610012788.7A CN201610012788A CN105583249B CN 105583249 B CN105583249 B CN 105583249B CN 201610012788 A CN201610012788 A CN 201610012788A CN 105583249 B CN105583249 B CN 105583249B
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- Prior art keywords
- mould
- steel pipe
- seamless steel
- closing
- mold
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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
- 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
- B21C23/00—Extruding metal; Impact extrusion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention belongs to metal working process method field, it is related to one kind using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique, lower mould is fixedly installed on operating desk；One section of seamless steel pipe of interception is simultaneously placed in the die cavity of lower mould；Arranged above the lower mould of seamless steel pipe and mold is installed；Seamless steel pipe lower compression is into the shape matched with lower mould cavity size；Mold is removed, inner mold is put into the inside of seamless steel pipe；Closing-in mould is placed in the top of lower mould, closing-in mould is pressed down against, the lower surface for being depressed into closing-in mould is fitted with lower mould upper surface positioning；Closing-in mould is removed, cushion block, truncated cone-shaped mould and support positioning valve are taken out successively from the bottom of lower mould；The ball head tube that is integrally formed that will be obtained is taken out.The beneficial effect that the present invention brings, processing technology is cold rolling, significantly reduces cost, and integrally formed ball head tube no-welding-seam, and intensity is high, and anti-pressure ability is strong.
Description
Technical field
The invention belongs to metal working process method field, especially relate to a kind of using seamless steel pipe cold-extruded processing ball
Head tube integrated mould and technique.
Background technology
The succession of pipeline except clamp-press type be connected, ring pressure type be connected be connected with card convex type these three successions it
Outward, also there is a kind of conventional pipeline connecting mode：The connected mode of flange.
The principle of flange connection is to carry out twisting solid with bolt, and two connectors for carrying flange plate are mutually connected in one
Rise, and closed effect is reached using plane-sealed piece, obtain good connected effect.
The advantage of this connected mode is：1st, can be dismantled；2nd, the intensity being connected with each other is higher；3rd, install simple
Convenient, weight is steady.
But flange connection also has its shortcoming：Traditional flange connection, is the connection of downhand welding steel flange, if two be connected
Pipeline is not coaxial, and the two flangeseal faces will fit bad, cause seepage.If first connecting two ring flanges, weld afterwards
Adapter road, again can be not coaxial because of two pipelines, and produces stress deformation in welding, also results in adverse consequences.Other flange
Costly, cause the cost on flange connections road increases the flange plate price used in connection, therefore existing patent is disclosed
A kind of Universal joint for pipeline refers to the patent No.：CN201420516456.9, for solving conventional flange connection in the prior art, by
Cause two flangeseal faces to fit in two pipeline difference spindle guides bad, cause seepage, or generation should in welding
The technical problems such as force deformation.The structure of the bulb duct member in above-mentioned patent is to the connection between Universal joint for pipeline all parts
Vital effect is played, but the processing technology to this ball head tube is all non-integrally formed, rim charge waste material in the prior art
Many, high cost, while the hot rolling technology that prior art is used in process, needs fuel during heating, increases process costs,
While contaminated air.
Therefore being needed badly in the middle of prior art wants a kind of new technical scheme to solve this problem.
The content of the invention
The technical problems to be solved by the invention are：One kind is provided to be integrally formed using seamless steel pipe cold-extruded processing ball head tube
Mould and technique, significantly reduce cost, improve production efficiency.
In order to solve the above problems, the present invention devises one kind and is integrally formed mould using seamless steel pipe cold-extruded processing ball head tube
Tool, it is characterized in that：The integrated mould is made up of mold, lower mould, inner mold and closing-in mould,
Wherein mold includes squeeze bulb and pressure ram, and one end of the pressure ram is fixedly connected with squeeze bulb, squeezes
The other end of depression bar is fixedly connected with the push rod of extruder；
Mould is wherein played to be made up of lower mould cavity, the lower mould cavity includes hemispherical mold cavity and cylindrical die cavity,
And hemispherical mold cavity bottom and cylindrical die cavity insertion；
Wherein inner mold includes cushion block, truncated cone-shaped mould and support positioning valve, and the cushion block is arranged at treats cold-extruded processing
Seamless steel pipe bottom, the truncated cone-shaped mould is arranged between the top of cushion block, and truncated cone-shaped mould and the seamless steel pipe and sets
It is equipped with space；Valve is seamless is arranged within the space for the support positioning, support positioning valve include the first support positioning valve and
Second support positioning valve, wherein the first support positioning valve and second supports positioning valve uniform intervals arrangement, each two first to support
One second support is set between positioning valve and positions valve, and the first support positioning valve and the second support seamless cooperation of positioning valve connect
Connect；
Wherein closing-in mould is connected with extruder.
Hole is provided with the second support positioning valve.
One kind is integrally formed mould using seamless steel pipe cold-extruded processing ball head tube integral forming process, the technique using described
Tool, it is characterized in that：
Including following operating procedure
Step one, lower mould is fixedly installed on operating desk；
Step 2, one section of seamless steel pipe of interception are simultaneously placed in the die cavity of lower mould, wherein the length of the seamless steel pipe
It is the diameter and the height sum of cylindrical die cavity of hemispherical mold cavity；
Step 3, setting mold, arranged above the lower mould for finishing seamless steel pipe installation mold in placing；
Step 4, the inside that the squeeze bulb of mold is placed in the seamless steel pipe, start extruder, to seamless steel pipe
Extruded, wherein extruding force is 1MPa~2MPa, and seamless steel pipe lower compression is into the shape matched with lower mould cavity size
Shape, closes extruder；
Step 5, mold is removed, inner mold is put into the inside of seamless steel pipe；
After step 6, completion step 5, closing-in mould is placed in the top of lower mould, closing-in mould connects with extruder
Connect, start extruder, be pressed down against closing-in mould, wherein extruding force is 1MPa~2MPa, be depressed into the lower surface of closing-in mould with
Lower mould upper surface positioning laminating, closes extruder；
Step 7, closing-in mould is removed, cushion block, truncated cone-shaped mould and support positioning are taken out successively from the bottom of lower mould
Valve；
Step 8, the ball head tube that is integrally formed that will be obtained by step one to step 7 are taken out.
Seamless steel pipe bottom described in step 2 is in same plane with the lower surface of cylindrical die cavity.
By above-mentioned design, the present invention can bring following beneficial effect：The a kind of of offer utilizes seamless steel pipe cold
Processing ball head tube integral forming process is squeezed, processing technology is cold-extruded, it is not necessary to raw material are heated, cost is significantly reduced,
And integrally formed ball head tube no-welding-seam, intensity is high, anti-pressure ability is strong, while the leftover bits of integral forming process raw material
Few, the utilization rate of raw material is improved, and significantly reduces cost, improves production efficiency, remarkable in economical benefits.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described：
Fig. 1 is the flow chart that a kind of utilization seamless steel pipe cold-extruded of the invention processes ball head tube integral forming process.
Fig. 2 is lower die structure schematic diagram of the invention.
Fig. 3 is the state diagram that seamless steel pipe of the present invention is placed in lower mould.
Fig. 4 is the state diagram that the present invention is obtained half-formed workpiece.
Fig. 5 is the structural representation that closing-in mould of the present invention coordinates arrangement extrusion ball head tube with lower mould.
Fig. 6 is support positioning valve arrangement top view of the invention.
Fig. 7 is integrally formed ball head tube structural representation for of the invention.
In figure：1- hemispherical mold cavities, 2- cylindrical die cavities, 3- cushion blocks, 4- truncated cone-shapeds mould, 5- support positioning valve, 6- the
One support positioning valve, the support positioning of 7- second valve, 8- closing-in moulds, 9- ball head tubes.
Specific embodiment
As shown in Figure 2 to 7, it is a kind of using seamless steel pipe cold-extruded processing ball head tube integrated mould, it is characterized in that：Should
Integrated mould is made up of mold, lower mould, inner mold and closing-in mould 8,
Wherein mold includes squeeze bulb and pressure ram, and one end of the pressure ram is fixedly connected with squeeze bulb, squeezes
The other end of depression bar is fixedly connected with the push rod of extruder；
Mould is wherein played to be made up of lower mould cavity, the lower mould cavity includes hemispherical mold cavity 1 and cylindrical die cavity
2, and the bottom of hemispherical mold cavity 1 and the insertion of cylindrical die cavity 2；
Wherein inner mold includes cushion block 3, truncated cone-shaped mould 4 and support positioning valve 5, and the cushion block 3 is arranged at treats that cold-extruded adds
The seamless steel pipe bottom of work, the truncated cone-shaped mould 4 is arranged at the top of cushion block 3, and truncated cone-shaped mould 4 and the seamless steel pipe
Between be provided with space；Valve 5 is seamless is arranged within the space for the support positioning, and support positioning valve 5 includes the first support
The positioning support positioning valve 7 of valve 6 and second, wherein the quantity of the first support positioning support positioning valve 7 of valve 6 and second is respectively six pieces,
The first support positioning support positioning valve 7 uniform intervals arrangement of valve 6 and second, one is set between the support positioning valve 6 of each two first
Individual second support positioning valve 7, and the first support positioning support positioning seamless mating connection of valve 7 of valve 6 and second；
Wherein closing-in mould 8 is connected with extruder.
Hole is provided with the second support positioning valve 7.
As shown in figure 1, a kind of using seamless steel pipe cold-extruded processing ball head tube integral forming process, the technique uses described
Integrated mould, it is characterized in that：
Including following operating procedure
Step one, lower mould is fixedly installed on operating desk；
Step 2, one section of seamless steel pipe of interception are simultaneously placed in the die cavity of lower mould, wherein the length of the seamless steel pipe
It is the diameter of hemispherical mold cavity 1 and the height sum of cylindrical die cavity 2, under the seamless steel pipe bottom and cylindrical die cavity 2
End face is in same plane；
Step 3, setting mold, arranged above the lower mould for finishing seamless steel pipe installation mold in placing；
Step 4, the inside that the squeeze bulb of mold is placed in the seamless steel pipe, start extruder, to seamless steel pipe
Extruded, wherein extruding force be 1MPa~2MPa, preferably 1.5MPa, seamless steel pipe lower compression into lower mould cavity size
The shape for matching, closes extruder；
Step 5, mold is removed, inner mold is put into the inside of seamless steel pipe；
After step 6, completion step 5, closing-in mould 8 is placed in the top of lower mould, closing-in mould 8 connects with extruder
Connect, start extruder, be pressed down against closing-in mould, wherein extruding force is 1MPa~2MPa, preferably 1.5MPa, is depressed into closing-in mould
8 lower surface is fitted with lower mould upper surface positioning, closes extruder；
Step 7, closing-in mould 8 is removed, it is fixed to take out cushion block 3, truncated cone-shaped mould 4 and support successively from the bottom of lower mould
Position valve 5, concrete operations are as follows, after taking out cushion block 3, truncated cone-shaped mould 4 successively from the bottom of lower mould, it withstood with drill steel one end
In hole on one piece of second support positioning valve 7, firmly tap the other end of drill steel, the second support positioning valve 7 is fallen and removes round platform
In the cavity that shape mould 4 leaves, the second support is positioned valve 7 and taken out by operating personnel from the bottom of lower mould, same operation
Method takes out other second support positioning valves 7, and then the first support positioning valve 6 automatically falls into and removes truncated cone-shaped mould 4 and stay
In lower cavity, all of support is finally positioned into valve 5 and is taken out；
Step 8, the ball head tube 9 that is integrally formed that will be obtained by step one to step 7 are taken out.
The present invention can bring following beneficial effect：Offer it is a kind of using seamless steel pipe cold-extruded processing ball head tube one into
Type technique, processing technology is cold-extruded, it is not necessary to raw material are heated, cost, and integrally formed bulb is significantly reduced
The no-welding-seam of pipe 9, intensity is high, and anti-pressure ability is strong, while the leftover bits of integral forming process raw material are few, the utilization rate of raw material is obtained
To raising, cost is significantly reduced, improve production efficiency, remarkable in economical benefits.
Claims (4)
1. a kind of using seamless steel pipe cold-extruded processing ball head tube integrated mould, it is characterized in that：The integrated mould is by upper
Mould, lower mould, inner mold and closing-in mould (8) are constituted,
Wherein mold includes squeeze bulb and pressure ram, and one end of the pressure ram is fixedly connected with squeeze bulb, pressure ram
The other end be fixedly connected with the push rod of extruder；
Mould is wherein played to be made up of lower mould cavity, the lower mould cavity includes hemispherical mold cavity (1) and cylindrical die cavity
, and hemispherical mold cavity (1) bottom and cylindrical die cavity (2) insertion (2)；
Wherein inner mold includes cushion block (3), truncated cone-shaped mould (4) and support positioning valve (5), and the cushion block (3) is arranged at treats cold
The seamless steel pipe bottom of processing is squeezed, the truncated cone-shaped mould (4) is arranged at the top of cushion block (3), and truncated cone-shaped mould (4) and institute
State and be provided with space between seamless steel pipe；Support positioning valve (5) is seamless to be arranged within the space, support positioning valve
(5) including the first support positioning valve (6) and the second support positioning valve (7), wherein the first support positioning valve (6) is fixed with the second support
Position valve (7) uniform intervals arrangement, one second support positioning valve (7) of setting between support positioning valve of each two first (6), and the
One support positioning valve (6) and second support positioning valve (7) seamless mating connection；
Wherein closing-in mould (8) is connected with extruder.
2. according to claim 1 a kind of using seamless steel pipe cold-extruded processing ball head tube integrated mould, it is characterized in that：
Hole is provided with second support positioning valve (7).
3. a kind of using seamless steel pipe cold-extruded processing ball head tube integral forming process, the technique is using as claimed in claim 1
Integrated mould, it is characterized in that：
Including following operating procedure
Step one, lower mould is fixedly installed on operating desk；
Step 2, one section of seamless steel pipe of interception are simultaneously placed in the die cavity of lower mould, and wherein the length of the seamless steel pipe is half
The diameter of spherical die cavity (1) and the height sum of cylindrical die cavity (2)；
Step 3, setting mold, arranged above the lower mould for finishing seamless steel pipe installation mold in placing；
Step 4, the inside that the squeeze bulb of mold is placed in the seamless steel pipe, start extruder, and seamless steel pipe is carried out
Extruding, wherein extruding force are 1MPa~2MPa, and seamless steel pipe lower compression is closed into the shape matched with lower mould cavity size
Close extruder；
Step 5, mold is removed, inner mold is put into the inside of seamless steel pipe；
After step 6, completion step 5, closing-in mould (8) is placed in the top of lower mould, closing-in mould (8) connects with extruder
Connect, start extruder, be pressed down against closing-in mould, wherein extruding force is 1MPa~2MPa, is depressed into the lower surface of closing-in mould (8)
Fitted with lower mould upper surface positioning, close extruder；
Step 7, closing-in mould (8) is removed, cushion block (3), truncated cone-shaped mould (4) and support are taken out successively from the bottom of lower mould
Positioning valve (5)；
Step 8, the ball head tube (9) that is integrally formed that will be obtained by step one to step 7 are taken out.
4. according to claim 3 a kind of using seamless steel pipe cold-extruded processing ball head tube integral forming process, it is characterized in that：
Seamless steel pipe bottom described in step 2 is in same plane with the lower surface of cylindrical die cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012788.7A CN105583249B (en) | 2016-01-11 | 2016-01-11 | One kind is using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012788.7A CN105583249B (en) | 2016-01-11 | 2016-01-11 | One kind is using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105583249A CN105583249A (en) | 2016-05-18 |
| CN105583249B true CN105583249B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012788.7A Expired - Fee Related CN105583249B (en) | 2016-01-11 | 2016-01-11 | One kind is using seamless steel pipe cold-extruded processing ball head tube integrated mould and technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN105583249B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659922B (en) * | 2020-06-04 | 2021-04-13 | 临海市万宏机电配件厂 | Metal tube ball head processing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002269A (en) * | 1959-01-09 | 1961-10-03 | William C N Hopkins | Method of forming ball and socket joints in metal tubular members |
| DE2814433A1 (en) * | 1977-04-07 | 1978-10-12 | Chrysler France | IMPROVEMENTS TO MAKE A BALL JOINT TO CONNECT TWO PIPES |
| US4132437A (en) * | 1976-10-18 | 1979-01-02 | Arvin Industries, Inc. | Interlocking pipe ball joint |
| DE2946152A1 (en) * | 1979-11-13 | 1981-05-21 | Mannesmann AG, 4000 Düsseldorf | Hemispherical housing spigoted shell prodn. - has preheated tube end shaped in rotating concave die using rolling mandrel |
| SU1250343A1 (en) * | 1985-03-26 | 1986-08-15 | Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского | Apparatus for moulding round billets |
| CN2565561Y (en) * | 2002-08-29 | 2003-08-13 | 马绍明 | Short pipe drum pressing mold |
| CN201189534Y (en) * | 2008-05-22 | 2009-02-04 | 中钢集团烟台钢格板有限公司 | Rail node ball stamping die |
| CN201410533Y (en) * | 2009-06-17 | 2010-02-24 | 林智勇 | Three-way die |
| CN102357549A (en) * | 2011-07-20 | 2012-02-22 | 沈阳飞机工业（集团）有限公司 | Processing technology for double-layer spherical joint pipe |
| CN104148518A (en) * | 2014-07-07 | 2014-11-19 | 西安交通大学 | Material gathering technology and device applied to flange on head of super-long pipe and based on servo rotation of single-end die |
-
2016
- 2016-01-11 CN CN201610012788.7A patent/CN105583249B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002269A (en) * | 1959-01-09 | 1961-10-03 | William C N Hopkins | Method of forming ball and socket joints in metal tubular members |
| US4132437A (en) * | 1976-10-18 | 1979-01-02 | Arvin Industries, Inc. | Interlocking pipe ball joint |
| DE2814433A1 (en) * | 1977-04-07 | 1978-10-12 | Chrysler France | IMPROVEMENTS TO MAKE A BALL JOINT TO CONNECT TWO PIPES |
| DE2946152A1 (en) * | 1979-11-13 | 1981-05-21 | Mannesmann AG, 4000 Düsseldorf | Hemispherical housing spigoted shell prodn. - has preheated tube end shaped in rotating concave die using rolling mandrel |
| SU1250343A1 (en) * | 1985-03-26 | 1986-08-15 | Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского | Apparatus for moulding round billets |
| CN2565561Y (en) * | 2002-08-29 | 2003-08-13 | 马绍明 | Short pipe drum pressing mold |
| CN201189534Y (en) * | 2008-05-22 | 2009-02-04 | 中钢集团烟台钢格板有限公司 | Rail node ball stamping die |
| CN201410533Y (en) * | 2009-06-17 | 2010-02-24 | 林智勇 | Three-way die |
| CN102357549A (en) * | 2011-07-20 | 2012-02-22 | 沈阳飞机工业（集团）有限公司 | Processing technology for double-layer spherical joint pipe |
| CN104148518A (en) * | 2014-07-07 | 2014-11-19 | 西安交通大学 | Material gathering technology and device applied to flange on head of super-long pipe and based on servo rotation of single-end die |
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| Publication number | Publication date |
|---|---|
| CN105583249A (en) | 2016-05-18 |
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