CN106040934A - Rotating pulse cold forging unit for steel tube - Google Patents
Rotating pulse cold forging unit for steel tube Download PDFInfo
- Publication number
- CN106040934A CN106040934A CN201610551164.2A CN201610551164A CN106040934A CN 106040934 A CN106040934 A CN 106040934A CN 201610551164 A CN201610551164 A CN 201610551164A CN 106040934 A CN106040934 A CN 106040934A
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- CN
- China
- Prior art keywords
- cold forging
- steel pipe
- pinch rolls
- main
- over pinch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
- B21J7/14—Forging machines working with several hammers
- B21J7/145—Forging machines working with several hammers the hammers being driven by a rotating annular driving member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
- B21J7/14—Forging machines working with several hammers
- B21J7/16—Forging machines working with several hammers in rotary arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/025—Special design or construction with rolling or wobbling dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/02—Feeding devices for rods, wire, or strips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a rotating pulse cold forging unit for a steel tube. The rotating pulse cold forging unit comprises an axial conveyer used for conveying a mother tube forwards, a radial cold forging machine used for performing cold forging processing on the mother tube, and an axial traction machine used for pulling a finished tube forwards after the tail end of the mother tube leaves the axial conveyer which are sequentially arranged in the forward direction of the steel tube. According to the rotating pulse cold forging unit, through high frequency pulse continuous reciprocating motion, the forging processing of diameter decreasing and wall thickness decreasing of the mother tube is achieved, the cold forging production speed is greatly increased and can reach 1 to 4 m/min, the dimensional accuracy of the steel tube subjected to cold forging is relatively high, and the purpose of non-cutting processing can be achieved; the mechanical property of a product is good, the surface rigidity is improved, and the tensile strength, yield strength and fatigue strength are improved; the deformation stress of ingredients is eliminated, and the failure treatment is not needed; and the procedures like head driving, pickling, saponification and phosphorization are not needed, so that the rotating pulse cold forging unit does not cause any pollution to the environment.
Description
Technical field
The present invention relates to a kind of steel equipment of cold forging, particularly relate to a kind of equipment for cold forging steel pipe.
Background technology
Recently as the fast development of economy and improving constantly of scientific and technological level, China's field of industrial production is to steel
Pipe specification requirement is more, and required precision is higher, and traditional method is the shell that perforating machine perforation produces, with drawbench, cold-rolling mill
Reprocess, although but cold drawing steel tube speed is fast, but centering capacity is strong, and machining accuracy is the highest, and the utilization rate of steel pipe is low；
Cold tube rolling machining accuracy is high, and inside and outside mass color cleanliness is good, but speed of production is slow, and working (machining) efficiency is low, and yield per minute only 500mm is left
Right, it is difficult to meet high-volume steel pipe's production requirement.
What is more important, no matter cold-drawing technology or cold-rolling process, will be through complicated aid in treatment operation, such as acid
Wash, phosphatization, saponification, furnace annealing etc., production process is many, and product cost is high, environment also causes severe contamination, does not meets energy-conservation
The policy requirements reduced discharging.
Summary of the invention
The technical problem to be solved is to provide under a kind of cold conditions and steel pipe reduces diameter, change wall thickness, rod iron
Reduce diameter, avoid again the steel pipe rotary formula pulse cold forging unit of disadvantages mentioned above simultaneously.
For solving above-mentioned technical problem, the technical scheme is that steel pipe rotary formula pulse cold forging unit, including along steel
Radial direction mother tube being carried the axial conveyer advanced, mother tube carrying out Cold Forging that pipe direction of advance sets gradually is cold
Forging machine, mother tube end leave the axial traction machine that described axial conveyer rear haulage production tube moves on；
Described radial direction cold forging machine includes base, and described base is installed with cold forging mainframe, described cold forging mainframe
On main gear reducer is installed, described main gear reducer power connects motor, and described base is also equipped with coolant profit circulation
Device；The power output shaft of described main gear reducer is the hollow axle that may pass through steel pipe, and the feed end of described power output shaft is along footpath
To being arranged with at least two tup slideways the most through to radial direction, reciprocating set hammer, institute are installed in described tup slideway
The internal end surface stating set hammer is provided with the steel pipe forming module for forging forming, and the outer end face of described set hammer is provided with acquisition
The arc convex of impulsive force, described power output shaft corresponding described set hammer periphery fixed cover is provided with cylinder retainer, described
On cylinder retainer, circumference is laid with to the cylinder of described set hammer impulsive force.
As preferred technical scheme, also include sport car mandrel-retracting machine.
As preferred technical scheme, described axial conveyer includes conveying roller main framing, transmits subtracting of motor power
Speed machine, distribution power main support plate, main support plate is distributed power transmission power transmission shaft；Described conveying roller main framing is provided with
Install with certain advancing angle in 120 ° of evenly distributed conveying rollers and described conveying roller for three；One confession is installed on described main support plate
The hollow driving gear that steel pipe passes, described driving gear is engaged with three driven gears, three described driven gears and biography
Moving axis is connected by shaft coupling.
As the improvement to technique scheme, described conveying roller is diametrically mounted to described conveying roller master by lead
On skeleton, the hydraulic cylinder regulating described conveying roller relative to position is installed between described conveying roller main framing and described conveying roller.
As preferred technical scheme, described axial traction machine includes carry-over pinch rolls main framing, transmits subtracting of motor power
Speed machine, distribution power main support plate, main support plate is distributed power transmission power transmission shaft；Described carry-over pinch rolls main framing is provided with
Install with certain advancing angle in 120 ° of evenly distributed carry-over pinch rolls and described carry-over pinch rolls for three；One confession is installed on described main support plate
The hollow driving gear that steel pipe passes, described driving gear is engaged with three driven gears, three described driven gears and biography
Moving axis is connected by shaft coupling.
As the improvement to technique scheme, described carry-over pinch rolls are diametrically mounted to described carry-over pinch rolls master by lead
On skeleton, the hydraulic cylinder regulating described carry-over pinch rolls relative to position is installed between described carry-over pinch rolls main framing and described carry-over pinch rolls.
As the improvement to technique scheme, described coolant profit circulating device includes fuel reserve tank, on described fuel reserve tank
Being provided with oil circulating pump, described oil circulating pump is connected by pipeline has the described cylinder being positioned at described main gear reducer inner chamber to keep
Lubricating oil nozzle at frame, the lower section sidepiece of described main gear reducer inner chamber is provided with overfall, the bottom of described main gear reducer inner chamber
It is provided with fuel outlet.
Owing to have employed technique scheme, steel pipe rotary formula pulse cold forging unit, including along steel pipe direction of advance successively
Arrange by mother tube conveying advance axial conveyer, mother tube is carried out the radial direction cold forging machine of Cold Forging, mother tube end
End leaves the axial traction machine that described axial conveyer rear haulage production tube moves on；Described radial direction cold forging machine includes base,
Being installed with cold forging mainframe on described base, described cold forging mainframe is provided with main gear reducer, described main gear reducer moves
Power connects motor, and described base is also equipped with coolant profit circulating device；The power output shaft of described main gear reducer is
May pass through the hollow axle of steel pipe, the feed end of described power output shaft is radially arranged with at least two to the most through tup
Slideway, is provided with reciprocating set hammer in described tup slideway, the internal end surface of described set hammer is provided with for forging into
The steel pipe forming module of type, the outer end face of described set hammer is provided with the arc convex obtaining impulsive force, described power output shaft
Corresponding described set hammer periphery fixed cover is provided with cylinder retainer, and on described cylinder retainer, circumference is laid with to described
The cylinder of set hammer impulsive force；The present invention drives set hammer and steel pipe forming module high speed rotating along with power output shaft, first
First set hammer slides in and out under centrifugal action with steel pipe forming module, each steel pipe forming module that the most each set hammer drives
Opening, mother tube carries backward, and along with the continuation of power output shaft rotates, described cylinder is convex by the arc of described set hammer
Face gives described set hammer to overcome centrifugal force and to the forging and stamping impulsive force of central motion, each steel pipe forming mould that each set hammer drives
Block is of completely closed, and by mother tube cold forging to production tube, along with power output shaft high speed rotating, set hammer, steel pipe forming module are entered
Row high-frequency pulse formula moves back and forth continuously, it is achieved to mother tube tube reducing, subtract wall forging processing, cold forging speed of production carries significantly
Height, can reach 1m-4m/ minute, and the steel pipe sizes precision after cold forging is higher, can realize the purpose without machining: and product
The increase of good mechanical property, case hardness, tensile strength, yield strength and fatigue strength all have increase；Eliminate dispensing distortional stress,
Need not do crash handling；Production process of the present invention need not take the lead, need not the operations such as pickling, saponification, phosphatization, so not
Environment can be caused any pollution.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structure principle chart of the embodiment of the present invention radially cold forging machine；
Fig. 3 is the A-A direction view in Fig. 2；
Fig. 4 is the right view of Fig. 2；
Fig. 5 is the structural representation of embodiment of the present invention coolant profit circulating device；
The schematic diagram that Fig. 6 is embodiment of the present invention set hammer and steel pipe forming module is opened under the influence of centrifugal force；
Fig. 7 is embodiment of the present invention set hammer and steel pipe forming module forges into central motion under cylindrical effect
The schematic diagram of type；
Fig. 8 is the schematic diagram that embodiment of the present invention set hammer and steel pipe forming module utilize plug forging forming；
Fig. 9 is the structural representation of the axial conveyer of the embodiment of the present invention；
Figure 10 is the right view of Fig. 9；
Figure 11 is the structural representation of embodiment of the present invention axial traction machine.
In figure: the axial conveyer of 1-；11-conveying roller main framing；12-conveying roller；The main support plate of 13-；14-reductor；15-passes
Moving axis；16-driving gear；17-driven gear；18-shaft coupling；19-lead；1a-hydraulic cylinder；2-radially cold forging machine；At the bottom of 21-
Seat；22-cold forging mainframe；23-main gear reducer；231-power output shaft；232-tup slideway；24-coolant profit circulating device；
241-fuel reserve tank；242-oil circulating pump；243-Lubricating oil nozzle；244-overfall；245-fuel outlet；25-set hammer；251-arc
Shape convex surface；26-steel pipe forming module；27-cylinder retainer；28-cylinder；3-axial traction machine；The main bone of 31-carry-over pinch rolls
Frame；32-carry-over pinch rolls；4-mother tube；5-production tube；6-plug.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art will be consequently realised that,
In the case of without departing from the spirit and scope of the present invention, by various different modes, described embodiment can be repaiied
Just.Therefore, accompanying drawing and description are inherently the most illustrative rather than are used for limiting scope of the claims.
As it is shown in figure 1, steel pipe rotary formula pulse cold forging unit, including set gradually along steel pipe direction of advance by mother tube
Axial conveyer 1 that 4 conveyings are advanced, mother tube 4 is carried out the radial direction cold forging machine 2 of Cold Forging, mother tube 4 end leaves described
The axial traction machine 3 that axially conveyer 1 rear haulage production tube 5 moves on.
As shown in Figure 2, Figure 3 and Figure 4, described radial direction cold forging machine 2 includes base 21, described base 21 is installed with cold
Forging mainframe 22, described cold forging mainframe 22 is provided with main gear reducer 23, and described main gear reducer 23 power connects motor
(motor is conventional techniques means as power, not shown in figure), described base 21 is also equipped with coolant profit circulation dress
Put 24；The power output shaft 231 of described main gear reducer 23 is the hollow axle that may pass through steel pipe, entering of described power output shaft 231
Material end is radially arranged with at least two tup slideways 232 the most through to radial direction, is provided with reciprocal fortune in described tup slideway 232
Dynamic set hammer 25, the internal end surface of described set hammer 25 is provided with the steel pipe forming module 26 for forging forming, described forging and stamping
The outer end face of hammer 25 is provided with the arc convex 251 obtaining impulsive force, outside the corresponding described set hammer 25 of described power output shaft 231
Week, fixed cover was provided with cylinder retainer 27, and on described cylinder retainer 27, circumference is laid with and impacts to described set hammer 25
The cylinder 28 of power.The power of motor, by the conversion of gear iso-variable velocity mechanism, is passed to described by described main gear reducer 23
Power output shaft 231, makes described power output shaft 231 rotate with the rotating speed set and power, is ripe in the art
Technology, is not repeated in the present embodiment to describe.As it is shown in figure 5, the present embodiment devises coolant profit circulating device 24, including storage
Fuel tank 241, described fuel reserve tank 241 is provided with oil circulating pump 242, and described oil circulating pump 242 connects to have by pipeline and is positioned at institute
State the Lubricating oil nozzle 243 at the described cylinder retainer 27 of main gear reducer 23 inner chamber, under described main gear reducer 23 inner chamber
Side's sidepiece is provided with overfall 244, and the bottom of described main gear reducer 23 inner chamber is provided with fuel outlet 245, it is achieved thereby that each position
Sufficient lubrication and cooling, it is ensured that the service life of accessory, thus ensure that the dimensional accuracy of cold forging steel pipe.
The present embodiment also includes that sport car mandrel-retracting machine, described sport car mandrel-retracting machine are the known device in steel pipe rolling equipment,
This is not repeated explanation, the most not shown in figure.As shown in Figure 8, plug 6 is utilized to realize the wall tube reducings such as steel pipe, subtract wall tube reducing, as needed
Want tube reducing then to need not plug 6 when increasing wall, utilize sport car mandrel-retracting machine to be return by plug 6.
As shown in Figure 9 and Figure 10, described axial conveyer 1 includes conveying roller main framing 11, transmits subtracting of motor power
Speed machine 14, the main support plate 13 of distribution power, the power that main support plate 13 distributes is transferred to the power transmission shaft 15 of three conveying rollers 12；Institute
State and conveying roller main framing 11 is provided with three in 120 ° of evenly distributed conveying rollers 12 and described conveying roller 12 advances with certain
Angle is installed；Installing a hollow driving gear 16 passed for steel pipe on described main support plate 13, described driving gear 16 engages
Three driven gears 17, three described driven gears 17 are had to be connected by shaft coupling 18 with power transmission shaft 15.Described conveying roller 12 leads to
Cross lead 19 to be diametrically mounted on described conveying roller main framing 11, described conveying roller main framing 11 and described conveying roller 12 it
Between the hydraulic cylinder 1a regulating the described relative position of conveying roller 12 is installed.The power of axial conveyer 1 described in the present embodiment uses
Motor and reduction box, the power of hydraulic cylinder 1a uses Hydraulic Station, and above-mentioned technological means is all known, does not therefore show in figure
Go out.
As shown in figure 11, described axial traction machine 3 is essentially identical with described axial conveyer 1 structure, the most in opposite direction.
Described axial traction machine 3 includes carry-over pinch rolls main framing 31, the reductor 14 of transmission motor power, the main support plate of distribution power
13, the power that main support plate 13 distributes is transferred to the power transmission shaft 15 of three carry-over pinch rolls 32；Described carry-over pinch rolls main framing 31 is installed
Three are had to install with certain advancing angle in 120 ° of evenly distributed carry-over pinch rolls 32 and described carry-over pinch rolls 32；Pacify on described main support plate 13
Filling a hollow driving gear 16 passed for steel pipe, described driving gear 16 is engaged with three driven gears 17, three institutes
State driven gear 17 to be connected by shaft coupling 18 with power transmission shaft 15.Described carry-over pinch rolls 32 are diametrically mounted to institute by lead 19
State on carry-over pinch rolls main framing 31, the described carry-over pinch rolls 32 of regulation are installed between described carry-over pinch rolls main framing 31 and described carry-over pinch rolls 32
The hydraulic cylinder 1a of position relatively.The power of axial traction machine 3 described in the present embodiment uses motor and reduction box, hydraulic cylinder 1a's
Power uses Hydraulic Station, and above-mentioned technological means is all known, therefore not shown in figure.
As shown in Figure 6 and Figure 7, four groups of set hammers 25 and steel pipe forming module 26 are at the tup slideway of power output shaft 231
Radially sliding in 232, when power output shaft 231 is in position shown in Fig. 6, set hammer 25 and steel pipe forming module 26 are centrifugal
Sliding in and out under power effect, now four groups of steel pipe forming modules 26 are opened, and mother tube 4 carries backward, along with power output shaft 231
Rotating, set hammer 25 and steel pipe forming module 26 obtain impulsive force thus to axe movement, to Fig. 7 under the effect of cylinder 28
During position, four groups of steel pipe forming modules 26 are of completely closed, by mother tube 4 cold forging to production tube 5, along with power output shaft 231 is high
Speed rotates, and set hammer 25, steel pipe forming module 26 carry out high-frequency pulse formula and move back and forth continuously, by internal appropriate size
Plug 6, it is achieved that to mother tube tube reducing, subtract wall forging processing.
When production tube 5 is rotationally advancing arrival carry-over pinch rolls 32, carry-over pinch rolls 32 drive production tube 5 to continue to be rotationally advancing, it is achieved
Continuous forging to whole mother tube 4, after production tube 5 end departs from conveying roller 12, is transported to finished product by going out material conveying device
Pipe deposit position, pneumatic turn-down rig is translated on production tube storage rack, completes a cold forging processes.
As it has been described above, have been described above being specifically described embodiments of the invention, but the invention is not restricted to this.Ability
Territory it is to be understood by the skilled artisans that can according to design require or other factors carry out various amendment, combination, sub-portfolio or replace
Change, and they are in the range of claims and equivalent thereof.The present invention does not limit to and is applied to tube reducing and subtracts wall, tube reducing
Deng wall, tube reducing increase the steel pipe cold machining process such as wall it can also be used to round steel shades the technique such as footpath, sleeve pipe production, the present invention produces product
The change of product is also within protection scope of the present invention.
Claims (7)
1. steel pipe rotary formula pulse cold forging unit, it is characterised in that: include along steel pipe direction of advance set gradually by mother tube
Conveying advance axial conveyer, mother tube is carried out the radial direction cold forging machine of Cold Forging, mother tube end leave described axially
The axial traction machine that conveyer rear haulage production tube moves on；
Described radial direction cold forging machine includes base, and described base is installed with cold forging mainframe, and described cold forging mainframe is pacified
Equipped with main gear reducer, described main gear reducer power connects motor, and described base is also equipped with coolant profit circulating device；
The power output shaft of described main gear reducer is the hollow axle that may pass through steel pipe, and the feed end of described power output shaft is the most symmetrical
It is provided with at least two tup slideways the most through to radial direction, reciprocating set hammer, described forging and stamping are installed in described tup slideway
The internal end surface of hammer is provided with the steel pipe forming module for forging forming, and the outer end face of described set hammer is provided with acquisition impulsive force
Arc convex, described power output shaft corresponding described set hammer periphery fixed cover is provided with cylinder retainer, described cylinder
On retainer, circumference is laid with to the cylinder of described set hammer impulsive force.
2. steel pipe rotary formula pulse cold forging unit as claimed in claim 1, it is characterised in that: also include sport car mandrel-retracting machine.
3. steel pipe rotary formula pulse cold forging unit as claimed in claim 1, it is characterised in that: described axial conveyer includes defeated
Send roller main framing, transmission motor power reductor, distribution power main support plate, main support plate is distributed power transmission biography
Moving axis；In 120 ° of evenly distributed conveying rollers and described conveying roller advances with certain to be provided with three in described conveying roller main framing
Angle is installed；Installing a hollow driving gear passed for steel pipe on described main support plate, described driving gear is engaged with three
Driven gear, three described driven gears are connected by shaft coupling with power transmission shaft.
4. steel pipe rotary formula pulse cold forging unit as claimed in claim 3, it is characterised in that: described conveying roller passes through lead
It is diametrically mounted on described conveying roller main framing, regulation is installed described between described conveying roller main framing and described conveying roller
Conveying roller is relative to the hydraulic cylinder of position.
5. steel pipe rotary formula pulse cold forging unit as claimed in claim 1, it is characterised in that: described axial traction machine includes leading
Pick-up roll main framing, transmission motor power reductor, distribution power main support plate, main support plate is distributed power transmission biography
Moving axis；In 120 ° of evenly distributed carry-over pinch rolls and described carry-over pinch rolls advance with certain to be provided with three in described carry-over pinch rolls main framing
Angle is installed；Installing a hollow driving gear passed for steel pipe on described main support plate, described driving gear is engaged with three
Driven gear, three described driven gears are connected by shaft coupling with power transmission shaft.
6. steel pipe rotary formula pulse cold forging unit as claimed in claim 5, it is characterised in that: described carry-over pinch rolls pass through lead
It is diametrically mounted on described carry-over pinch rolls main framing, regulation is installed described between described carry-over pinch rolls main framing and described carry-over pinch rolls
Carry-over pinch rolls are relative to the hydraulic cylinder of position.
7. the steel pipe rotary formula pulse cold forging unit as described in claim 1 to 6 any claim, it is characterised in that: described
Coolant profit circulating device includes fuel reserve tank, and described fuel reserve tank is provided with oil circulating pump, and described oil circulating pump is by pipeline even
It is connected to be positioned at the Lubricating oil nozzle at the described cylinder retainer of described main gear reducer inner chamber, under described main gear reducer inner chamber
Side's sidepiece is provided with overfall, and the bottom of described main gear reducer inner chamber is provided with fuel outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551164.2A CN106040934A (en) | 2016-07-14 | 2016-07-14 | Rotating pulse cold forging unit for steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551164.2A CN106040934A (en) | 2016-07-14 | 2016-07-14 | Rotating pulse cold forging unit for steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106040934A true CN106040934A (en) | 2016-10-26 |
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ID=57185457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610551164.2A Pending CN106040934A (en) | 2016-07-14 | 2016-07-14 | Rotating pulse cold forging unit for steel tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955956A (en) * | 2017-03-25 | 2017-07-18 | 泰州市万鑫钨钼制品有限公司 | A kind of multi-functional molybdenum rod processing whirler tup |
| CN111438318A (en) * | 2020-04-10 | 2020-07-24 | 西安交通大学 | Thin-wall high-strength titanium alloy pipe and preparation method thereof |
| CN113441675A (en) * | 2021-06-15 | 2021-09-28 | 江苏海劭科技有限公司 | High-precision hydraulic cylinder barrel for radial cold forging and manufacturing method thereof |
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| JPS5119821B2 (en) * | 1971-08-14 | 1976-06-21 | ||
| DE3139534A1 (en) * | 1980-10-06 | 1982-06-09 | Förenade Fabriksverken, 63187 Eskilstuna | Method and apparatus for cold forging |
| CN1083751A (en) * | 1992-04-20 | 1994-03-16 | 吉田桂一郎 | High-precision die forging method and die forging device |
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| CN102218491A (en) * | 2011-03-09 | 2011-10-19 | 西安交通大学 | Rotary swaging forming equipment |
| CN102688964A (en) * | 2012-06-15 | 2012-09-26 | 张健 | Rolling mill for screw pump stator or rotors |
| CN205887932U (en) * | 2016-07-14 | 2017-01-18 | 王剑波 | Steel pipe rotation type pulse cold forging unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR837391A (en) * | 1938-04-30 | 1939-02-08 | Method and apparatus for reducing wall thickness and diameter of tubes | |
| JPS5119821B2 (en) * | 1971-08-14 | 1976-06-21 | ||
| DE3139534A1 (en) * | 1980-10-06 | 1982-06-09 | Förenade Fabriksverken, 63187 Eskilstuna | Method and apparatus for cold forging |
| CN1083751A (en) * | 1992-04-20 | 1994-03-16 | 吉田桂一郎 | High-precision die forging method and die forging device |
| CN1807005A (en) * | 2006-01-27 | 2006-07-26 | 云南冶金集团总公司技术中心 | Machining process and equipment for low-plasticity nonferrous metal round wire formation |
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| CN102688964A (en) * | 2012-06-15 | 2012-09-26 | 张健 | Rolling mill for screw pump stator or rotors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955956A (en) * | 2017-03-25 | 2017-07-18 | 泰州市万鑫钨钼制品有限公司 | A kind of multi-functional molybdenum rod processing whirler tup |
| CN111438318A (en) * | 2020-04-10 | 2020-07-24 | 西安交通大学 | Thin-wall high-strength titanium alloy pipe and preparation method thereof |
| CN113441675A (en) * | 2021-06-15 | 2021-09-28 | 江苏海劭科技有限公司 | High-precision hydraulic cylinder barrel for radial cold forging and manufacturing method thereof |
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Application publication date: 20161026 |