CN109317571A - Seamless steel cylinder automatic necking molding equipment - Google Patents
Seamless steel cylinder automatic necking molding equipment Download PDFInfo
- Publication number
- CN109317571A CN109317571A CN201811515063.5A CN201811515063A CN109317571A CN 109317571 A CN109317571 A CN 109317571A CN 201811515063 A CN201811515063 A CN 201811515063A CN 109317571 A CN109317571 A CN 109317571A
- Authority
- CN
- China
- Prior art keywords
- steel cylinder
- bottleneck
- frame
- workpiece
- base
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
Abstract
The invention proposes a kind of seamless steel cylinder automatic necking molding equipments, including steel cylinder Workpiece clamping host, steel cylinder workpiece bottleneck pre-shaping device and steel cylinder workpiece bottleneck shoulder post forming device；Steel cylinder workpiece bottleneck pre-shaping device includes scraper plate oscillating oil cylinder, and swing arm is equipped on swinging axle, and closing in scraper plate mold is equipped on swing arm；Steel cylinder workpiece bottleneck shoulder post forming device includes being slidably mounted on base to radially slide frame, it radially slides and is slidably fitted with the frame that slides axially on frame, it slides axially and is rotatably equipped with molding spinning roller on frame, it slides axially and is also equipped with bottle neck top mounting rack on frame, bottle neck top mounting rack is equipped with bottle neck top.The present invention realizes the automatic moulding of bottleneck and shoulder, it is no longer necessary to which artificial treatment can reach the smooth no groove mark in shoulder surface and beautiful shape；And bottleneck inner hole can be ejected in steel bottle shrinking-mouth, bottleneck end blank is neat, eliminates that steel bottle mouth is flush before thread and drilling process.
Description
Technical field
The present invention relates to steel cylinder technical field of processing equipment, set more particularly, to a kind of molding of seamless steel cylinder automatic necking
It is standby.
Background technique
Steel cylinder is the steel bottle for storage high pressure oxygen, coal gas, oil liquefied gas etc., and steel bottle shrinking-mouth process is that steel cylinder is raw
The important step of production, steel cylinder production in the prior art are primarily present following two problems: first is that forming after existing steel bottle shrinking-mouth
Shoulder groove mark is more, and shoulder shape unsightly, needs manual polishing to handle, labor intensity of workers is big, building ring after molding of closing up
Border is severe；And during closing up, scraper plate mold is easy sizing, and burn failure is fast；And the bottleneck of harvest be it is solid, it is subsequent will also be again
Do punching processing.Second is that there are the bad control of shoulder shape after existing steel bottle shrinking-mouth, working efficiency is low, and bottleneck after molding
It also needs to carry out the deficiencies of flush and drilling process goes thread again.
Summary of the invention
The present invention proposes a kind of seamless steel cylinder automatic necking molding equipment, realizes the automatic moulding of bottleneck and shoulder, no
It can reach the smooth no groove mark in shoulder surface and beautiful shape needing artificial treatment i.e.；And bottleneck can be ejected in steel bottle shrinking-mouth
Inner hole, bottleneck end blank is neat, eliminates that steel bottle mouth is flush and drilling process.
The technical scheme of the present invention is realized as follows: seamless steel cylinder automatic necking molding equipment, including base, the machine
Seat is equipped with steel cylinder Workpiece clamping host, steel cylinder workpiece bottleneck pre-shaping device and steel cylinder workpiece bottleneck shoulder post forming dress
It sets；
The steel cylinder workpiece bottleneck pre-shaping device includes the scraper plate oscillating oil cylinder being installed on the base, the scraper plate
The extending direction of the swinging axle of oscillating oil cylinder is radially consistent with the steel cylinder workpiece, is equipped with swing arm on the swinging axle,
Closing in scraper plate mold is installed on the swing arm；
The steel cylinder workpiece bottleneck shoulder post forming device includes radially sliding to be installed on the base along steel cylinder workpiece
On radially slide frame, the frame that radially slides is connected with the first power device, described to radially slide on frame along the steel cylinder work
Sliding axially for part is equipped with the frame that slides axially, and the frame that slides axially is connected with the second power device, the frame that slides axially
On be rotatably equipped with molding spinning roller for bottleneck shoulder post forming, bottle neck top peace is also equipped on the frame that slides axially
It shelves, the bottle neck top mounting rack is axially installed with bottle neck top along the bottle workpiece.
As a kind of perferred technical scheme, the frame that slides axially is fixedly installed with bottle neck top adjustable plate, the bottle
Mouth comes directly towards adjustable plate and is equipped with several adjusting long holes radially extended along the steel cylinder workpiece, and bottle neck top mounting rack passes through
Fastener constraint is installed in the adjusting long hole.
As a kind of perferred technical scheme, the base includes the first base and the second base, the steel cylinder workpiece bottle
Mouthful pre-shaping device is installed on first base, and the steel cylinder workpiece bottleneck shoulder post forming device is installed on described the
On two bases, radial distance regulating mechanism is equipped between first base and the second base.
As a kind of perferred technical scheme, the radial distance regulating mechanism includes be installed on first base
One adjusting nut and the second adjusting nut being installed on second base, first adjusting nut and the second adjusting nut
Between be equipped with adjusting screw rod.
It as a kind of perferred technical scheme, further include that equipment is headed into steel cylinder workpiece auxiliary, the steel cylinder workpiece auxiliary
Heading into equipment includes the jacking block driven by hydraulic cylinder.
As a kind of perferred technical scheme, the molding spinning roller includes first end face and second end face, first end face and
It is equipped between second end face and is used for the molding arc periphery of bottleneck shoulder, the diameter of the first end face is less than the second end
The diameter in face, the first end face is close to the steel cylinder, and the second end face is far from the steel cylinder.
As a kind of perferred technical scheme, described to radially slide horizontally disposed guide sleeve there are two erections, the axis
It is set on sliding rack there are two horizontally disposed guiding axis, each guiding axis is sheathed in corresponding guide sleeve.
As a kind of perferred technical scheme, first power device is radial feed oil cylinder, the second power dress
It is set to axial feed oil cylinder.
As a kind of perferred technical scheme, auxiliary heating corresponding with the position of bottleneck is additionally provided in the rack
Rifle.
Using above-mentioned technical proposal, the invention has the benefit that
Equipment main working process under the automatic program control of PLC is as follows: since seamless steel cylinder automatic necking forms
Equipment includes steel cylinder Workpiece clamping host, steel cylinder workpiece bottleneck pre-shaping device and steel cylinder workpiece bottleneck shoulder post forming dress
It sets；It is preforming to steel cylinder workpiece progress bottleneck by closing in scraper plate mold, then steel cylinder workpiece is carried out by molding spinning roller again
The post forming of bottleneck shoulder, while hole size as requested come directly towards ejection bottleneck inner hole by bottle neck, and the present invention realizes
The automatic moulding of bottleneck and shoulder not can reach the smooth no groove mark in shoulder surface and beautiful shape needing artificial treatment i.e.；
And bottleneck inner hole can be ejected in steel bottle shrinking-mouth, bottleneck end blank is neat, eliminates that steel bottle mouth is flush and drilling process；
The formed product of this equipment production is stablized, and percent defective is significantly reduced；This device structure is compact, uses simple, operation side
Just, it adapts to automation to produce in enormous quantities, greatly reduces labour's production cost.2 are saved money using every steel cylinder of the equipment
Member or so, by 500 Production rates of per tour, every equipment is cost-saved 300,000 yuan or more annual, considerably increases product
The market competitiveness.
The frame that slides axially is fixedly installed with bottle neck top adjustable plate, and bottle neck comes directly towards adjustable plate equipped with several along steel cylinder workpiece
The adjusting long hole radially extended, bottle neck comes directly towards mounting rack and is installed in adjusting long hole by fastener constraint, so as to process
The workpiece of different model needs the position come directly towards according to workpiece model to bottle neck to be adjusted,
In order to realize that the position of molding spinning roller is adjusted, base includes the first base and the second base.First base and second
Radial distance regulating mechanism is equipped between base.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
The structural reference figure of working condition Fig. 3 of the invention
Fig. 4 is the top view of Fig. 3
Fig. 5 is the position view of present invention auxiliary heating gun；
Fig. 6 is the position view that steel cylinder workpiece of the present invention auxiliary heads into equipment.
Wherein: 1, the first base；2, the second base；3, steel cylinder Workpiece clamping host；4, the preforming dress of steel cylinder workpiece bottleneck
It sets；5, steel cylinder workpiece bottleneck shoulder post forming device；6, scraper plate oscillating oil cylinder；7, steel cylinder workpiece；8, swinging axle；9, it swings
Arm；10, closing in scraper plate mold；11, frame is radially slided；12, slide axially frame；13, spinning roller is formed；14, bottle neck comes directly towards mounting rack；
15, bottle neck comes directly towards；16, first end face；17, second end face；18, arc periphery；19, bottle neck comes directly towards adjustable plate；20, length is adjusted
Hole；21, bolt；22, the first adjusting nut；23, the second adjusting nut；24, adjusting screw rod；25, hydraulic cylinder；26, jacking block；
27, guide sleeve；28, guiding axis；29, radial feed oil cylinder；30, axial feed oil cylinder；31, heating gun is assisted.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As Fig. 1-6 it is common shown in, seamless steel cylinder automatic necking molding equipment, including base, base is equipped with steel cylinder workpiece
Clamp host 3, steel cylinder workpiece bottleneck pre-shaping device 4 and steel cylinder workpiece bottleneck shoulder post forming device 5.Base includes first
Base 1 and the second base 2.Steel cylinder workpiece bottleneck pre-shaping device 4 is installed on the first base 1, steel cylinder workpiece bottleneck shoulder two
Secondary molding machine 5 is installed on the second base 2.
It is to each device more detailed description below:
Steel cylinder workpiece bottleneck pre-shaping device 4 includes the scraper plate oscillating oil cylinder 6 being installed on the first base 1, and scraper plate is swung
The extending direction of the swinging axle 8 of oil cylinder 6 is radially consistent with steel cylinder workpiece 7, and swing arm 9, swing arm 9 are equipped on swinging axle 8
On closing in scraper plate mold 10 is installed.
Steel cylinder workpiece bottleneck shoulder post forming device 5 includes radially sliding to be installed on the second base 2 along steel cylinder workpiece 7
Radially slide frame 11, radially slide frame 11 and be connected with the first power device, radially slide on frame 11 along the axial direction of steel cylinder workpiece 7
It is slidably fitted with the frame 12 that slides axially, the frame 12 that slides axially is connected with the second power device, is rotatablely installed on the frame 12 that slides axially
There is the molding spinning roller 13 for bottleneck shoulder post forming, bottle neck top mounting rack 14, bottle are also equipped on the frame 12 that slides axially
Mouth comes directly towards mounting rack 14 and is axially installed with bottle neck top 15 along steel cylinder workpiece 7.Molding spinning roller 13 (is not marked by motor in figure
Driving rotation out), molding spinning roller 13 includes first end face 16 and second end face 17, is set between first end face 16 and second end face 17
Have for the molding arc periphery 18 of bottleneck shoulder, the diameter of first end face 16 is less than the diameter of second end face 17, first end
Face 16 is close to steel cylinder workpiece 7, and second end face 17 is far from steel cylinder workpiece 7.
In order to process the workpiece of different model, need to be adjusted according to position of the workpiece model to bottle neck top 15, axis
It is fixedly installed with bottle neck top adjustable plate 19 to sliding rack 12, bottle neck comes directly towards adjustable plate 19 equipped with several along 7 diameter of steel cylinder workpiece
To the adjusting long hole 20 of extension, bottle neck comes directly towards mounting rack 14 and is installed in adjusting long hole 20 by fastener constraint.Above-mentioned fastening
Part is bolt 21.
In order to realize that the position of molding spinning roller 13 is adjusted, radial distance is equipped between first base 1 and the second base 2
Regulating mechanism.Radial distance regulating mechanism includes being installed on the first adjusting nut 22 of the first base 1 and being installed on the second base 2
On the second adjusting nut 23, between the first adjusting nut 22 and the second adjusting nut 23 be equipped with adjusting screw rod 24.
This equipment further includes that steel cylinder workpiece auxiliary heads into equipment, and it includes by hydraulic oil that the steel cylinder workpiece auxiliary, which heads into equipment,
The jacking block 26 that cylinder 25 drives.
In the present embodiment, radially slides frame 11 and set there are two horizontally disposed guide sleeve 27, the frame 12 that slides axially is equipped with
Two horizontally disposed guiding axis 28, each guiding axis 27 are sheathed in corresponding guide sleeve 28.First power device is diameter
To feed cylinder 29, the second power device is axial feed oil cylinder 30, and radial feed oil cylinder 29 and axial feed oil cylinder 30 connect
Logical hydraulic system, controls hydraulic system by PLC controller, and then control hydraulic cylinder, is that this field is general
Known to logical technical staff, details are not described herein.Auxiliary heating gun 31 corresponding with position of bottleneck is additionally provided in rack.
The course of work of the invention is as follows:
After 1. ancillary equipment automatically heads into workpiece in the chuck of steel cylinder Workpiece clamping host 3, host chuck Automatic-clamping
Workpiece, auxiliary heating gun start the auxiliary heating time set according to touch screen to position of bottleneck auxiliary heating.
2. scraper plate oscillating oil cylinder 6 drives closing in scraper plate mold 10 to turn over the angle of setting automatically, it is preforming to reach bottleneck
After purpose, scraper plate oscillating oil cylinder 6 drives closing in scraper plate mold 10 is automatic quickly to return.
3. the drive of radial feed oil cylinder 29 radially slides frame 11 and is automatically fed into operating position.
4. axial feed oil cylinder 30 drive slide axially frame 12 by hydraulic speed control system according to setting speed at
Type bottleneck and shoulder；Original position is quickly returned to after reaching setting position.
5. the drive of radial feed oil cylinder 29 radially slides frame 11 and automatically falls back on original position.
6. the chuck of steel cylinder Workpiece clamping host 3 unclamps, the hydraulic cylinder 25 after steel cylinder Workpiece clamping host 3 drives jacking block
26 steel cylinder workpiece 7 eject.
Only materials in the tube manually need to be put into material in batches after this device power-up to add, equipment automatic identification completes all process steps stream
Journey.Operator periodically arrives equipment end and collects the finished product gathered, and setting need to be only called from touch screen when replacing product
Good machined parameters, replace corresponding mold, simple and reliable, save money 2 yuan or so using every steel cylinder of the equipment, press
500 Production rates of per tour, every equipment is cost-saved 300,000 yuan or more annual, considerably increases the market competition of product
Power.
In conclusion the present invention realizes the automatic moulding of bottleneck and shoulder, it is no longer necessary to which artificial treatment can reach bottle
The smooth no groove mark in shoulder surface and beautiful shape；And bottleneck inner hole can be ejected in steel bottle shrinking-mouth, bottleneck end blank is neat, saves
Go steel bottle mouth flush and drilling process；The formed product of this equipment production is stablized, and percent defective is significantly reduced；Originally it sets
It is standby compact-sized, it is easy to operate using simple, it adapts to automation and produces in enormous quantities, greatly reduce labour's production cost, this
Equipment has far-reaching influence to steel cylinder processing industry.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. seamless steel cylinder automatic necking molding equipment, including base, which is characterized in that the base is equipped with steel cylinder Workpiece clamping
Host, steel cylinder workpiece bottleneck pre-shaping device and steel cylinder workpiece bottleneck shoulder post forming device；
The steel cylinder workpiece bottleneck pre-shaping device includes the scraper plate oscillating oil cylinder being installed on the base, and the scraper plate is swung
The extending direction of the swinging axle of oil cylinder is radially consistent with the steel cylinder workpiece, and swing arm is equipped on the swinging axle, described
Closing in scraper plate mold is installed on swing arm；
The steel cylinder workpiece bottleneck shoulder post forming device includes radially sliding to be installed on the base along steel cylinder workpiece
Frame is radially slided, the frame that radially slides is connected with the first power device, described to radially slide on frame along the steel cylinder workpiece
It slides axially and the frame that slides axially is installed, the frame that slides axially is connected with the second power device, turns on the frame that slides axially
The molding spinning roller being equipped with for bottleneck shoulder post forming is moved, the installation of bottle neck top is also equipped on the frame that slides axially
Frame, the bottle neck top mounting rack are axially installed with bottle neck top along the bottle workpiece.
2. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that the frame that slides axially is fixed
Bottle neck top adjustable plate is installed, bottle neck top adjustable plate is equipped with several adjustings radially extended along the steel cylinder workpiece
Long hole, the bottle neck top mounting rack are installed in the adjusting long hole by fastener constraint.
3. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that the base includes the first machine
Seat and the second base, the steel cylinder workpiece bottleneck pre-shaping device are installed on first base, the steel cylinder workpiece bottleneck
Shoulder post forming device is installed on second base, and radial distance tune is equipped between first base and the second base
Save mechanism.
4. seamless steel cylinder automatic necking molding equipment as claimed in claim 3, which is characterized in that the radial distance adjusts machine
Structure includes the first adjusting nut for being installed on first base and the second adjusting nut being installed on second base, institute
It states and is equipped with adjusting screw rod between the first adjusting nut and the second adjusting nut.
5. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that further include auxiliary with steel cylinder workpiece
It helps and heads into equipment, it includes the jacking block driven by hydraulic cylinder that the steel cylinder workpiece auxiliary, which heads into equipment,.
6. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that the molding spinning roller includes the
One end face and second end face are equipped between first end face and second end face and are used for the molding arc periphery of bottleneck shoulder, described
The diameter of first end face is less than the diameter of the second end face, and for the first end face close to the steel cylinder, the second end face is remote
From the steel cylinder.
7. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that described radially slide is provided with
Two horizontally disposed guide sleeves, set that there are two horizontally disposed guiding axis, each guiding axis on the frame that slides axially
It is sheathed in corresponding guide sleeve.
8. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that first power device is
Radial feed oil cylinder, second power device are axial feed oil cylinder.
9. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that the steel cylinder workpiece bottleneck is pre-
Molding machine and steel cylinder workpiece bottleneck shoulder post forming device are respectively arranged at the two sides of the steel cylinder workpiece.
10. seamless steel cylinder automatic necking molding equipment as described in claim 1, which is characterized in that be additionally provided in the rack
Auxiliary heating gun corresponding with the position of bottleneck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515063.5A CN109317571A (en) | 2018-12-12 | 2018-12-12 | Seamless steel cylinder automatic necking molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515063.5A CN109317571A (en) | 2018-12-12 | 2018-12-12 | Seamless steel cylinder automatic necking molding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109317571A true CN109317571A (en) | 2019-02-12 |
Family
ID=65256166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515063.5A Pending CN109317571A (en) | 2018-12-12 | 2018-12-12 | Seamless steel cylinder automatic necking molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109317571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926507A (en) * | 2019-03-26 | 2019-06-25 | 浙江超力防火设备有限公司 | A kind of steel bottle head molding machine and its technique |
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| CN2573111Y (en) * | 2002-09-19 | 2003-09-17 | 阎国宗 | Roller type hot-spinning reducing machine for steel cylinder |
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| CN105458104A (en) * | 2016-01-31 | 2016-04-06 | 潍坊乾润机械有限公司 | Steel bottle necking machine |
| CN105537425A (en) * | 2016-01-31 | 2016-05-04 | 潍坊乾润机械有限公司 | Auxiliary heating bottom forming apparatus for steel bottle |
| CN205362422U (en) * | 2016-01-31 | 2016-07-06 | 潍坊乾润机械有限公司 | End equipment is received to steel bottle boosting |
| CN209139665U (en) * | 2018-12-12 | 2019-07-23 | 潍坊泰克机械有限公司 | Seamless steel cylinder automatic necking molding equipment |
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2018
- 2018-12-12 CN CN201811515063.5A patent/CN109317571A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB981166A (en) * | 1962-08-24 | 1965-01-20 | Monsanto Co | Mechanism for handling and printing indicia on articles |
| CN2573111Y (en) * | 2002-09-19 | 2003-09-17 | 阎国宗 | Roller type hot-spinning reducing machine for steel cylinder |
| CN202715688U (en) * | 2012-06-04 | 2013-02-06 | 扬州诚德钢管有限公司 | Spin closing-in device with double spinning wheels |
| CN105458104A (en) * | 2016-01-31 | 2016-04-06 | 潍坊乾润机械有限公司 | Steel bottle necking machine |
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| CN205362422U (en) * | 2016-01-31 | 2016-07-06 | 潍坊乾润机械有限公司 | End equipment is received to steel bottle boosting |
| CN209139665U (en) * | 2018-12-12 | 2019-07-23 | 潍坊泰克机械有限公司 | Seamless steel cylinder automatic necking molding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109926507A (en) * | 2019-03-26 | 2019-06-25 | 浙江超力防火设备有限公司 | A kind of steel bottle head molding machine and its technique |
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