CN206779157U - A kind of steel pipe rolling device - Google Patents
A kind of steel pipe rolling device Download PDFInfo
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- CN206779157U CN206779157U CN201720352067.0U CN201720352067U CN206779157U CN 206779157 U CN206779157 U CN 206779157U CN 201720352067 U CN201720352067 U CN 201720352067U CN 206779157 U CN206779157 U CN 206779157U
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- feeding
- steel pipe
- screw mandrel
- bottom roll
- pipe rolling
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Abstract
A kind of steel pipe rolling device is the utility model is related to, existing steel pipe rolling device is mainly solved and is unable to automated job, ineffective problem.The utility model is by using a kind of steel pipe rolling device, including support, the support is provided with the technical scheme of the automatic feed mechanism, turning transmission system, base pipe rolling mechanism, automatic material blanking mechanism and the controller for controlling above-mentioned various mechanisms to be operated that include being sequentially connected, preferably solve the problem, be easy for industrial applications.
Description
Technical field
It the utility model is related to a kind of steel pipe rolling device.
Background technology
In daily life, steel pipe has become more and more important as a daily necessities, either conventional
On component of machine or in building trade, or even the figure of steel pipe, therefore, steel pipe can be seen on daily decoration
Quality can be paid close attention to by more and more people, at present the flow for steel pipe rolling be typically manual operation or manually up and down
Material, processing efficiency is low, can thus increase the working time, have a strong impact on operating efficiency.
And for example the U of Chinese patent literature CN 204817481 disclose a kind of steel pipe rolling device, including support, movable stand,
Connecting rod, track, the support are provided with neck, are installed in neck and be provided with fixture block, be connected on fixture block by nut with swing rod, support
Top is provided with fixed chuck, and fixed chuck is provided with fixing axle, and fixing axle carries out interspersed connection, connecting rod end through support and connecting rod
End is provided with U-shaped card block, screw mandrel is connected with U-shaped card block, screw mandrel bottom is provided with movable stand, and movable stand one end is provided with three-jaw card
Disk, scroll chuck both sides are provided with track, movable block are provided with track.It is above-mentioned to need manual operation blanking, operating efficiency can be influenceed.
Utility model content
Technical problem to be solved in the utility model is that existing steel pipe rolling device is unable to automated job, cost when
Between it is long, it is ineffective the problem of, there is provided a kind of new steel pipe rolling device.Using the device without manual operation, spend
Time it is few, the advantages of operating efficiency is high.
It is as follows to solve the technical scheme of above-mentioned technical problem the utility model use：A kind of steel pipe rolling device, bag
Include support, the support be provided with the automatic feed mechanism for including being sequentially connected, turning transmission system, base pipe rolling mechanism, from
Dynamic cutting agency and the controller for controlling above-mentioned various mechanisms to be operated.
In above-mentioned technical proposal, it is preferable that the turning transmission system includes driving feeding small by an at least leading screw
The rotary drive mechanism for being sent into transmission mechanism and driving polished rod and chuck to rotate of car motion, the feeding transmission mechanism include by
The feeding drive gear speed change device of motor batch (-type) driving is sent into, the feeding drive gear speed change device drives the leading screw to turn
Dynamic, the rotary drive mechanism includes the revolution drive gear speed change device driven by turning motor batch (-type), revolution transmission
Speed change gear drives polished rod and chuck to rotate.
Preferably, the base pipe rolling mechanism includes topping roll, bottom roll, reducing motor, rolling-mill housing and raise-lower hydraulic
Cylinder, the quantity of the topping roll and bottom roll is respectively multiple, and it is recessed to be equipped with circular arc on multiple topping rolls, bottom roll
Groove, multiple bottom roll both sides are provided with corresponding bottom roll axle, and multiple bottom roll axles are parallel and in same level,
Multiple bottom roll axles are arranged on support, and the frame bottom is provided with reducing motor, the rotating shaft end installation of reducing motor
There is sprocket wheel, the bottom roll axle of described bottom roll one end is accordingly provided with sprocket wheel, and the drive chain engages reducing motor respectively
Rotating shaft end sprocket wheel and bottom roll axle on sprocket wheel, so as to by reducing motor multiple bottom rolls be driven to rotate, Duo Gesuo
State and be provided with multiple topping rolls above bottom roll, multiple topping roll axles are parallel and pass through in same level, multiple topping rolls
Top chock is fixed on elevating mechanism, and the elevating mechanism is fixed in rolling-mill housing, and the elevating mechanism is used to adjust institute
State the distance between bottom roll and the topping roll, the elevating mechanism include base and be arranged at four of base corner it is vertical
Post, each column top are respectively connected with a lifting hydraulic cylinder.
Preferably, the automatic feed mechanism includes lathe bed, the feeding workbench being arranged on lathe bed, for driving feeding
The drive mechanism of working table movement, feeding guide is provided with the lathe bed, the feeding workbench is arranged on feeding guide,
Drive mechanism can drive feeding workbench along feeding guide to the direction slip closer or far from machining area；Drive mechanism bag
Feeding motor, feeding screw mandrel and feeding screw mandrel nut are included, the feeding screw mandrel is arranged on lathe bed, and feeding screw mandrel and feeding
Guide rail parallel, the output shaft of the feeding motor are connected with feeding screw mandrel and feeding screw mandrel can be driven to rotate, the feeding silk
Stem nut is fixedly connected with feeding workbench, and feeding screw mandrel nut is set in feeding screw mandrel and can be in the driving of feeding screw mandrel
Lower motion.
Preferably, automatic material blanking mechanism includes second infrared sensor, telescopic cylinder, V-type slide plate, baffle plate and discharging
Plate, the support are provided with V-type sliding block, and the V-type sliding block both ends are respectively equipped with stripper, and one end of two pieces of strippers is equal
It is connected by axle with telescopic cylinder expansion link, the other end is connected by axle with connecting rod, and the bracket end is provided with baffle plate, baffle plate
It is provided with the 3rd infrared sensor.
Preferably, the first infrared sensor is provided between the automatic feed mechanism and turning transmission system.
Preferably, it is provided with the second infrared sensor between turning transmission system and base the pipe rolling mechanism.
The utility model is sent into transmission mechanism and drives feeding trolley movement, so as to realize cold rolling by being sent into transmission mechanism
The pipe feeding action of pipe machine and the F.F. of pipe feeding trolley, rewind action；The utility model is returned by rotary drive mechanism
Turn transmission mechanism and drive the revolution of base pipe, so as to realize the revolution of base pipe so that base pipe uniform force；The utility model passes through control
Device controls, and removes manual operation from, realizes automated job, so as to improve operating efficiency.
Using steel pipe rolling device of the present utility model, the present apparatus can automatic charging, transmission, revolution and blanking, be not required to
Manual operation is wanted, so as to improve operating efficiency.If rolling onesize steel pipe with existing rolling device, it is necessary to manual operation,
Influence operating efficiency.Therefore, using steel pipe rolling device of the present utility model, automated job, efficiency high.Because this practicality is new
For type by rotary drive mechanism, rotary drive mechanism drives the revolution of base pipe, realizes the revolution of base pipe so that base pipe uniform force,
So as to ensure the precision of steel pipe rolling.
Brief description of the drawings
Fig. 1 is a kind of side view of steel pipe rolling device of the utility model；
Fig. 2 is a kind of top view of steel pipe rolling device of the utility model；
In accompanying drawing：
1st, automatic feed mechanism 2, turning transmission system 3, base pipe rolling mechanism
4th, automatic material blanking mechanism 5, controller 6, support
7th, first pressure sensor 8, the first infrared sensor 9, the second infrared sensor
10th, the 3rd infrared sensor 11, lathe bed 12, workbench
13rd, drive mechanism 14, feeding guide 15, raw material platform
16th, storage rack 131, feeding motor 132, feeding screw mandrel
133rd, feeding screw mandrel nut 21, leading screw 22, feeding trolley
23rd, polished rod 24, chuck 25, feeding motor
26th, turning motor 27, feeding drive gear speed change device 28, revolution drive gear speed change device
31st, topping roll 32, topping roll 33, reducing motor
34th, rolling-mill housing 35, lifting hydraulic cylinder 36, base
37th, column 311, topping roll axle 321, bottom roll axle
322nd, drive chain 41, telescopic cylinder 42, V-type sliding block
43rd, baffle plate 44, stripper 121, groove
122nd, second pressure sensor
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
As shown in Figure 1, 2, a kind of steel pipe rolling device of the utility model, including support 6, the support 6, which is provided with, to be included
The automatic feed mechanism 1 that is sequentially connected, turning transmission system 2, base pipe rolling mechanism 3, automatic blanking device 4 and for control
State the controller 5 that each device is operated.
The turning transmission system 2 includes driving the feeding driver of the motion of feeding trolley 22 by an at least leading screw 21
Structure and the rotary drive mechanism for driving polished rod 23 and chuck 24 to rotate, the feeding transmission mechanism are included by the interval of feeding motor 25
The feeding drive gear speed change device 27 of formula driving, the feeding drive gear speed change device 27 drive the leading screw 21 to rotate, from
And realize the pipe feeding action of cold pilger mill and the F.F. of pipe feeding trolley 22, rewind action.The rotary drive mechanism
Including the revolution drive gear speed change device 28 driven by the batch (-type) of turning motor 26, the band of revolution drive gear speed change device 28
Dynamic polished rod 23 and chuck 24 rotate, and chuck 24 drives the revolution of base pipe, so as to realize the revolution of base pipe.
The automatic feed mechanism 1 includes lathe bed 11, the feeding workbench 12 being arranged on lathe bed, for driving feeding work
Make the drive mechanism 13 of the motion of platform 12, be provided with feeding guide 14 on the lathe bed, the feeding workbench 12 is arranged on feeding
On guide rail 14, drive mechanism 13 can drive feeding workbench 12 along feeding guide 14 to the direction closer or far from machining area
Slide；Drive mechanism 13 includes feeding motor 131, feeding screw mandrel 132 and feeding screw mandrel nut 133, and the feeding screw mandrel 132 is set
Put on lathe bed 11, and feeding screw mandrel 132 is parallel with feeding guide 14, output shaft and the feeding silk of the feeding motor 131
Bar 132 connects and feeding screw mandrel 132 can be driven to rotate, and the feeding screw mandrel nut 133 works 12 with feeding and is fixedly connected,
Feeding screw mandrel nut 133 is set in feeding screw mandrel 132 and can moved under the driving of feeding screw mandrel 132, the workbench
The groove 121 for accommodating steel pipe is provided with, second pressure sensor 122, the automatic feed mechanism 1 are provided with the groove 121
Also include workbench side and be used to convey base pipe to the raw material platform 15 of workbench, in the position of correspondence feeding device on raw material platform 15
Provided with second pressure sensor 122, conveyer is provided between the raw material platform 15 and workbench 12, the conveyer passes through
Control valve is controlled, and the command signal that feeding device control air valve is sent by controller 5 is turned on and off, so as to have automatically
Base pipe on raw material platform 15 is unloaded in the workbench 12 on stock shelf by sequence.
The base pipe rolling mechanism 3 includes topping roll 31, bottom roll 32, reducing motor 33, rolling-mill housing 34 and lifting liquid
Cylinder pressure 35, the quantity of the topping roll 31 and bottom roll 32 is respectively multiple, is all provided with multiple topping rolls 31, bottom roll 32
There is circular groove, multiple both sides of bottom roll 32 are provided with corresponding bottom roll axle 321, multiple bottom roll axles 321
Parallel and set on the frame 6 in same level, multiple bottom roll axles 321, the bottom of support 6 is provided with deceleration electricity
Machine 33, the rotating shaft end of reducing motor 33 are provided with sprocket wheel, and the bottom roll axle 321 of described one end of bottom roll 32 is accordingly provided with chain
Wheel, the drive chain 322 engage the sprocket wheel at the rotating shaft end of reducing motor 33 and the sprocket wheel on bottom roll axle 321 respectively, so as to
By reducing motor 33 multiple bottom rolls 32 can be driven to rotate, multiple tops of bottom roll 32 are provided with multiple topping rolls 31, more
Individual topping roll axle 221 is parallel and is fixed in same level, multiple topping rolls 31 by top chock on elevating mechanism,
The elevating mechanism is fixed in rolling-mill housing 34, and the elevating mechanism is used to adjust the bottom roll 32 and the topping roll 31
The distance between, the elevating mechanism includes base 36 and is arranged at four columns 37 of base corner, each above each column
A lifting hydraulic cylinder 35 is connected with, four lifting hydraulic cylinders 35 work simultaneously.
The automatic material blanking mechanism 4 includes second infrared sensor 9, telescopic cylinder 41, V-type sliding block 42, baffle plate 43
With stripper 44, the support 6 is provided with V-type sliding block 42, and the both ends of V-type sliding block 42 are respectively equipped with stripper 44, two pieces of institutes
The one end for stating stripper 44 is connected by axle with the expansion link of telescopic cylinder 41, and the other end is connected by axle with connecting rod, described
The end of support 6 is provided with baffle plate 43, and baffle plate 43 is provided with the 3rd infrared sensor 10.
The first infrared sensor 8, the rotary feeding system are provided between the automatic feed mechanism 1 and turning transmission system 2
The second infrared sensor 9 is provided between machine 2 and base pipe rolling mechanism 3.
Signal receiving end connection first pressure sensor 7, the second pressure sensor 122, first of the controller 5 are infrared
Sensor 8, the second infrared sensor 9 and the 3rd infrared sensor 10, the signal output part of the controller 5 are connected to the day
Car, air valve, feeding motor 13, feeding motor 25, turning motor 26, reducing motor 33, lifting hydraulic cylinder 35 and telescopic cylinder 41,
To control the overhead traveling crane, air valve, feeding motor 13, feeding motor 25, turning motor 26, reducing motor 33, lifting hydraulic cylinder 35
Worked with telescopic cylinder 41.
The operation principle of the steel pipe rolling device is as follows：
Sensor first on raw material platform 15 has detected whether that base pipe is unloaded on raw material platform 15, when first pressure sensor
When the 7 no base pipes of detection are unloaded on raw material platform 15, first pressure sensor 7 sends detection information to controller 5, controller 5
Overhead traveling crane is controlled, base pipe is hung in raw material platform 15 by overhead traveling crane；When first pressure sensor 7 detects base pipe in raw material platform, pressure passes
Sensor 7 sends detection information and controls air valve to controller 5, controller 5, and then output device performs base pipe conveying action, by original
Base pipe on material platform 15 is transported in the groove 121 of workbench 12；When the second pressure sensor 122 in groove has detected base
When pipe is transported on workbench 12, second pressure sensor 122 sends detection information to controller 5, the then output of controller 5 control
For signal processed to feeding motor 131, feeding motor 131 starts slow running, and the work of feeding motor 131 drives 132 turns of feeding screw mandrel
Dynamic, feeding screw mandrel 132 rotates driving feeding screw mandrel nut 133 and moved, and feeding screw mandrel nut 133 drives workbench 12 to move, and makes
Base pipe on workbench 12 is moved to turning transmission system 2, and base pipe is sent into turning transmission system 2；When feeding motor 131 drives
When base pipe is advanced to the position of the second infrared ray sensor 9, due to base pipe reflect the second infrared ray sensor 9 send it is infrared
Signal, therefore infrared ray sensor sends detection signal to controller 5, controller 5, which is sent control signals to, is sent into motor 25
With turning motor 26, feeding motor 25 and turning motor 26 is brought into operation, be sent into the feeding travelling gear that motor 25 drives and become
Speed variator 27 operates, and is sent into drive gear speed change device 27 and drives the leading screw 21 to rotate, leading screw 21 drives feeding trolley 22 to transport
Dynamic, feeding trolley 22 drives base pipe to be moved to base pipe rolling mechanism 3, while the revolution travelling gear that turning motor 262 drives becomes
Speed variator 28 operates, and revolution drive gear speed change device 28 drives polished rod 23 and chuck 24 to rotate, and chuck 24 drives pipe revolution,
So as to realize the revolution of pipe；When feeding trolley 22 drives base pipe to be advanced to the position of the 3rd infrared ray sensor 10, due to
Base pipe reflects the infrared signal that the 3rd infrared ray sensor 10 is sent, therefore infrared ray sensor sends detection signal to control
Device 5, controller 5 send control signals to reducing motor 33 and lifting hydraulic cylinder 35, make reducing motor 33 and lifting hydraulic cylinder
35 bring into operation, and the operating of reducing motor 33 drives multiple bottom rolls 32 to rotate, and lifting hydraulic cylinder 35 starts to push and lifts drive
Multiple topping rolls 31 on base 36 are pushed and lifted, and multiple topping rolls 31 are extruded steel pipe, so that base pipe is rolled into
The steel pipe of small dimension；After the completion of steel pipe rolling, blanking device 4 is entered under the conveying of multiple bottom rolls 32, steel pipe is slided by V-type
Block 42 reaches baffle plate 43, the 3rd infrared sensor 10 sensing steel pipe on baffle plate 43, passes information to controller 5, controller 5
The both ends telescopic cylinder 41 of control V-type sliding block 42 stretches out, and telescopic cylinder 41, which stretches out, promotes stripper 44 to move up, the band of stripper 44
Dynamic steel pipe is moved up, and steel pipe is fallen into storage rack 16 along stripper 44.
【Embodiment】：
Using Fig. 1 steel pipe rolling device, the present apparatus being capable of automatic charging, transmission, revolution and blanking, it is not necessary to artificial behaviour
Make, so as to improve operating efficiency.Which solves solve existing steel pipe rolling device to be unable to automated job, operating efficiency
The problem of low.Further, since the utility model, by rotary drive mechanism, rotary drive mechanism drives the revolution of base pipe, realizes base
The revolution of pipe so that base pipe uniform force, so as to ensure the precision of steel pipe rolling.
【Comparative example】：
A kind of steel pipe rolling device is disclosed using the U of Chinese patent literature CN 204817481, rolling device rolling is same
Size steel pipe influences operating efficiency, it is necessary to manual operation.
Although the illustrative embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in appended claim
In spirit and scope, all are created in the row of protection using the utility model of the utility model design.
Claims (7)
1. a kind of steel pipe rolling device, including support (6), it is characterised in that：The support (6), which is provided with, includes what is be sequentially connected
Automatic feed mechanism (1), turning transmission system (2), base pipe rolling mechanism (3), automatic material blanking mechanism (4) and above-mentioned for controlling
The controller (5) that various mechanisms are operated.
2. a kind of steel pipe rolling device according to claim 1, it is characterised in that the turning transmission system (2) includes logical
An at least leading screw (21) is crossed to drive the feeding transmission mechanism of feeding trolley (22) motion and drive polished rod (23) and chuck (24)
The rotary drive mechanism of rotation, the feeding travelling gear for being sent into transmission mechanism and including being driven by feeding motor (25) batch (-type)
Speed change gear (27), the feeding drive gear speed change device (27) drive the leading screw (21) to rotate, the rotary drive mechanism
Including the revolution drive gear speed change device (28) driven by turning motor (26) batch (-type), the revolution drive gear speed change device
(28) polished rod (23) and chuck (24) is driven to rotate.
3. a kind of steel pipe rolling device according to claim 1, it is characterised in that the base pipe rolling mechanism (3) includes upper
Roll (31), bottom roll (32), reducing motor (33), rolling-mill housing (34) and lifting hydraulic cylinder (35), the topping roll (31)
Respectively multiple with the quantity of bottom roll (32), multiple topping rolls (31), bottom roll are equipped with circular groove on (32),
The multiple bottom roll (32) both sides are provided with corresponding bottom roll axle (321), multiple bottom roll axles (321) it is parallel and
Same level, multiple bottom roll axles (321) are arranged on support (6), and support (6) bottom is provided with reducing motor
(33), the rotating shaft end of the reducing motor (33) is provided with sprocket wheel, and the bottom roll axle (321) of described bottom roll (32) one end is corresponding
Ground is provided with sprocket wheel and the first drive chain (322), and first drive chain (322) engages turning for first driving means respectively
The sprocket wheel of shaft end and the sprocket wheel on bottom roll axle (321), so as to by first driving means multiple bottom rolls (32) be driven to turn
It is dynamic, multiple topping rolls (31) are provided with above multiple bottom rolls (32), multiple topping roll axles (311) are parallel and in same level
Face, multiple topping rolls (31) are fixed on elevating mechanism by top chock, and the elevating mechanism is fixed on rolling-mill housing
(34) on, the elevating mechanism is used to adjust the distance between the bottom roll (32) and the topping roll (31), the lifting
Mechanism includes base (36) and is arranged at four columns (37) of base corner, and a raise-lower hydraulic is respectively connected with above each column
Cylinder (35).
4. a kind of steel pipe rolling device according to claim 1, it is characterised in that the automatic feed mechanism (1) includes bed
Body (11), the feeding workbench (12) being arranged on lathe bed, the drive mechanism (13) for driving feeding workbench to move, it is described
Feeding guide (14) is provided with lathe bed (11), the feeding workbench (12) is arranged on feeding guide (14), drive mechanism
(13) feeding workbench (12) can be driven along feeding guide (14) to the direction slip closer or far from machining area；Driving machine
Structure (13) includes feeding motor (131), feeding screw mandrel (132) and feeding screw mandrel nut (133), and the feeding screw mandrel (132) sets
Put on lathe bed (11), and feeding screw mandrel (132) is parallel with feeding guide (14), the output shaft of the feeding motor (131)
It is connected with feeding screw mandrel (132) and feeding screw mandrel (132) can be driven to rotate, the feeding screw mandrel nut (133) and feeding work
Make platform (12) to be fixedly connected, feeding screw mandrel nut (133) is set in feeding screw mandrel (132) and can be in feeding screw mandrel (132)
Driving under move.
5. a kind of steel pipe rolling device according to claim 1, it is characterised in that the automatic material blanking mechanism (4) includes the
Two infrared sensors (9), telescopic cylinder (41), V-type sliding block (42), baffle plate (43) and stripper (44), set on the support (6)
There is V-type sliding block (42), V-type sliding block (42) both ends are respectively equipped with stripper (44), one end of two pieces of strippers (44)
It is connected by axle with telescopic cylinder (41) expansion link, the other end is connected by axle with connecting rod, and support (6) end is provided with
Baffle plate (43), baffle plate (43) are provided with the 3rd infrared sensor (10).
6. a kind of steel pipe rolling device according to claim 1, it is characterised in that the automatic feed mechanism (1) and revolution
The first infrared sensor (8) is provided between feed mechanism (2).
7. a kind of steel pipe rolling device according to claim 1, it is characterised in that the turning transmission system (2) and base pipe
The second infrared sensor (9) is provided between rolling mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352067.0U CN206779157U (en) | 2017-04-06 | 2017-04-06 | A kind of steel pipe rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352067.0U CN206779157U (en) | 2017-04-06 | 2017-04-06 | A kind of steel pipe rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206779157U true CN206779157U (en) | 2017-12-22 |
Family
ID=60705775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352067.0U Active CN206779157U (en) | 2017-04-06 | 2017-04-06 | A kind of steel pipe rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206779157U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042237A (en) * | 2017-04-06 | 2017-08-15 | 张家港市宏大钢管有限公司 | A kind of steel pipe rolling device |
| CN109877256A (en) * | 2019-04-12 | 2019-06-14 | 安吉致通五金制品有限公司 | A kind of long steel bar automatic press cutting machine |
| CN109940049A (en) * | 2019-03-02 | 2019-06-28 | 宁波芯直电气有限公司 | A kind of rotary feeding system uses single lathe bed Full-automatic cold pipe mill of servo motor |
| CN113477722A (en) * | 2021-08-03 | 2021-10-08 | 浙江金航钢管科技有限公司 | Rolling method and processing device for seamless steel tube |
-
2017
- 2017-04-06 CN CN201720352067.0U patent/CN206779157U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042237A (en) * | 2017-04-06 | 2017-08-15 | 张家港市宏大钢管有限公司 | A kind of steel pipe rolling device |
| CN107042237B (en) * | 2017-04-06 | 2019-04-16 | 张家港市宏大钢管有限公司 | A kind of steel pipe rolling device |
| CN109940049A (en) * | 2019-03-02 | 2019-06-28 | 宁波芯直电气有限公司 | A kind of rotary feeding system uses single lathe bed Full-automatic cold pipe mill of servo motor |
| CN109877256A (en) * | 2019-04-12 | 2019-06-14 | 安吉致通五金制品有限公司 | A kind of long steel bar automatic press cutting machine |
| CN113477722A (en) * | 2021-08-03 | 2021-10-08 | 浙江金航钢管科技有限公司 | Rolling method and processing device for seamless steel tube |
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