CN109604489A - A kind of anti-fracture of helical baffles revolves rolling device - Google Patents
A kind of anti-fracture of helical baffles revolves rolling device Download PDFInfo
- Publication number
- CN109604489A CN109604489A CN201811318643.5A CN201811318643A CN109604489A CN 109604489 A CN109604489 A CN 109604489A CN 201811318643 A CN201811318643 A CN 201811318643A CN 109604489 A CN109604489 A CN 109604489A
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- roll
- rotation
- guiding
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- topping roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/12—Making helical bodies or bodies having parts of helical shape articles with helicoidal surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of anti-fracture of helical baffles to revolve rolling device, including drive part, part is rolled in variable part and rotation, and it includes topping roll, bottom roll, upper guiding spin axis, lower guiding spin axis, lifting and driving axis, guiding drive bearing sub-assembly, guiding force transmission mechanism sub-assembly and indexing positioning plate that part is rolled in the rotation；The indexing positioning plate includes left and right two parts, and the bottom roll both ends can be connected in axial sliding on the indexing positioning plate or so two parts respectively along it；The lifting and driving axis also includes left and right two parts, and the both ends of the topping roll respectively being connected on left and right two parts of the lifting and driving axis along vertical its axially direction sliding.The bottom roll of the rotation rolling device can slide axially along it, topping roll can be along vertical its axially direction sliding, various shape variation tendency of the blank in the circular arc rotary course that rotation rolls into helical baffles can be complied with by the opposite sliding of topping roll and bottom roll, effectively prevents blank from being revolved to roll and fracture.
Description
Technical field
The present invention relates to heat conduction reinforced and fluid conveying and fluid agitation technical fields, specifically belong to spiral folding
Technology and its rotation rolling device for realizing the technology are rolled in the rotation of flowing plate and spiral plate.
Background technique
The Chinese invention patent of 103521667 A of Publication No. CN discloses a kind of helical baffles rotation rolling device, from
Blank is sent between topping roll and bottom roll, it is opposite that motor exports both direction after level-one speed changer and dual-range transmission
Driving force, drive topping roll and bottom roll to roll respectively, topping roll and bottom roll generate the rolling of different directions by driving
It is rolled to rotation is carried out by the blank between topping roll and bottom roll, the blank after overwinding rolls passes through guide transmission gear sub-assembly
Guiding axis is rolled perpendicular to upper backspin after output to spin movement, while guiding is rolled around upper backspin by guiding drive bearing sub-assembly
Axis axially moves, and helical baffles are finally made.
As shown in Figure 1, could form helical baffles since blank needs constantly to do circular arc rotation, blank is in a circular arc
In rotation, (S is rotated from highest point A to minimum point C1) or minimum point C to highest point A rotate (S2) during, vertical
Have the tendency that expanding up and down on the axial direction of topping roll and bottom roll, if topping roll and bottom roll in the process cannot be suitable
Should trend do self adjustment gap i.e. between the two and accordingly open, blank is easy to be broken off.With above-mentioned, blank exists
In one circular arc rotation, (S is rotated from leftmost side point B to rightmost side point D3) or rightmost side point D to leftmost side point B rotate (S4)
During, have the tendency that left and right expansion on the axial direction of topping roll and bottom roll, if topping roll and bottom roll are herein
The trend cannot be complied in the process, and blank is equally easy to be broken off.
Summary of the invention
In conclusion in order to overcome the deficiencies of the prior art, technical problem to be solved by the invention is to provide a kind of spirals
Anti- fracture of baffle plate revolves rolling device.
The technical scheme to solve the above technical problems is that a kind of anti-fracture of helical baffles revolves rolling device,
Including drive part, part is rolled in variable part and rotation, and the drive part rolls part by the variable part driving rotation:
The drive part exports the opposite driving force of both direction behind the variable part；
It includes topping roll, bottom roll, upper guiding spin axis, lower guiding spin axis, lifting and driving axis, guiding transmission shaft that part is rolled in the rotation
Hold sub-assembly, guiding force transmission mechanism sub-assembly and indexing positioning plate；The topping roll and bottom roll self-locking connection mutually, above roll
Roller, bottom roll are each passed through guiding spin axis and lower guiding spin axis;The indexing positioning plate includes left and right two parts, and described
Left and right two parts of indexing positioning plate indicate the scale that angle ω is rolled in the rotation for reading the topping roll and the bottom roll, described
Bottom roll both ends can be connected in axial sliding on the indexing positioning plate or so two parts respectively along it；The lifting and driving axis
It also include left and right two parts, the both ends of the topping roll can be connected to the lifting along vertical its axially direction sliding respectively
On left and right two parts of transmission shaft；The guiding force transmission mechanism sub-assembly is in the horizontal discharging direction of blank；The guiding passes
Dynamic bearing sub-assembly is arranged between upper guiding spin axis and lower guiding spin axis, consistent with the vertical direction of blank discharging；
Described two contrary driving forces respectively drive topping roll and the bottom roll rotation that part is rolled in the rotation.
The beneficial effects of the present invention are: the bottom roll of the rotation rolling device can slide axially along it, topping roll can along it is vertical its
Axially direction sliding can comply with one that blank rolls into rotation helical baffles by the opposite sliding of topping roll and bottom roll
Various shape variation tendency in circular arc rotary course effectively prevents blank from being revolved to roll and fracture, and guarantees that blank can successfully revolve and rolls
At helical baffles.
Based on the above technical solution, the present invention can also do improvement further below:
It further, further include undersetting and axial circlip；It is equipped at the indexing positioning plate or so two-part top horizontal sliding
Slot, there are two the undersettings, and one end of each undersetting connects wherein one end of the bottom roll, and the other end can
It is in the corresponding horizontal concrete chute in axial sliding along the bottom roll；
There are four the axial direction circlips, and the two sides that the undersetting is corresponded in each described horizontal concrete chute are equipped with described in one
Axial circlip, and the axial circlip resists the side wall and undersetting of corresponding horizontal concrete chute；The undersetting is in the axis
Under the action of to circlip can along the distance that the bottom roll axially horizontally slips be L, blank forming at helical baffles spiral shell
Away from for S, L=0.05S.
The beneficial effects of adopting the above-mentioned further technical scheme are as follows: realize that bottom roll axially horizontally slips, and under control
The distance that roll mandrel slides to the left and right guarantees that smoothly rotation is rolled.
It further, further include fixing seat, upper bracket and vertical circlip；It is set respectively on the lifting and driving axis or so two parts
There is the fixing seat, the bottom of the fixing seat is equipped with vertical chute；There are two the upper brackets, each upper bracket
One end connects wherein one end of the topping roll, and the other end can be along the vertical topping roll axial direction sliding in described
In vertical chute；
There are two the vertical circlips, and in each described vertical chute and the corresponding upper bracket is far from described topping roll one end
Outside be equipped with a vertical circlip, and the vertical circlip resists the side wall and upper bracket of corresponding vertical chute；
The upper bracket can be along the distance that the vertical topping roll axially direction slides up and down under the action of the vertical circlip
H, blank forming at helical baffles with a thickness of δ, the δ of H=0.05.
The beneficial effects of adopting the above-mentioned further technical scheme are as follows: it realizes sliding up and down for topping roll, and controls and roll
The distance that roller slides up and down guarantees that smoothly rotation is rolled.
Further, the drive part includes motor.
Further, the variable part includes level-one speed changer and dual-range transmission.
Detailed description of the invention
Fig. 1 is cataclysm schematic diagram when blank forms helical baffles in a circular arc rotation；
Fig. 2 is that helical baffles of the present invention revolve rolling device structural schematic diagram；
Fig. 3 is that angle ω adjusting schematic diagram is rolled in top and bottom rolls of the present invention rotation；
Fig. 4 is the E enlarged drawing of Fig. 2；
Fig. 5 is the F enlarged drawing of Fig. 2；
Fig. 6 is helical baffles structural schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, strip plate part, 2, upper bundle roller, 3, bottom roll, 4, upper guiding spin axis, 5, lower guiding spin axis, 6, lifting and driving axis 7, guiding are revolved
Drive bearing sub-assembly, 8, level-one speed changer, 9, dual-range transmission, 10, guiding force transmission mechanism sub-assembly, 11, motor, 12,
Indexing positioning plate, 13, undersetting, 14, axial circlip, 15, horizontal circlip, 16, fixing seat, 17, upper bracket, 18, vertical circlip,
19, vertical chute.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Fig. 2-6, a kind of by drive part, the anti-of the helical baffles of part composition is rolled in variable part and rotation
It fractures and revolves rolling device, drive part includes motor 11;Variable part includes level-one speed changer 8 and dual-range transmission 9；
It includes topping roll 2, bottom roll 3, upper guiding spin axis 4, lower guiding spin axis 5, lifting and driving axis 6, guiding transmission that part is rolled in the rotation
Bearing assembly 7, guiding force transmission mechanism sub-assembly 10 and indexing positioning plate 12；The topping roll 2 and the mutual self-locking company of bottom roll 3
It connects, topping roll 2, bottom roll 3 are each passed through guiding spin axis 4 and lower guiding spin axis 5, and topping roll 2, bottom roll 3 can be along above leading
It goes up and down, can also be rotated around upper guiding spin axis 4, lower guiding spin axis 4 to spin axis 4, lower guiding spin axis 4.The indexing is fixed
Position plate 12 includes left and right two parts, and left and right two parts of the indexing positioning plate 12 are indicated for reading the topping roll 2
The scale of angle ω is rolled with the rotation of the bottom roll 3,3 both ends of bottom roll can be connected in axial sliding described point along it respectively
It spends on 12 or so two parts of positioning plate, different scales of the bottom roll 3 around the lower rotation of guiding spin axis 5 and indexing positioning plate 12
Connection achievees the purpose that adjusting top and bottom rolls rotation rolls angle ω.The lifting and driving axis 6 also include left and right two parts, it is described on
The both ends of roll 2 can be connected on left and right two parts of the lifting and driving axis 6 respectively along what its vertical axially direction was slided,
Topping roll 2 is adjusted along the adjustable height e of upper guiding spin axis 4 in lifting and driving axis 6；Blank 1 rotation roll after perpendicular to upper
Guiding spin axis 4, lower guiding spin axis 5 spin move when, axially move around upper guiding spin axis 4, lower guiding spin axis 5,
In the horizontal discharging direction of blank 1, the blank 1 after rotation is rolled is passed the guide transmission gear sub-assembly 10 by guiding
Motivation structure sub-assembly 10 is spinned movement after rolling guiding perpendicular to upper guiding spin axis 4, lower guiding spin axis 5.The guiding power transmission
Mechanism Combination part 10 is in the horizontal discharging direction of blank 1；The guiding drive bearing sub-assembly 7 is arranged in upper guiding spin axis 4
Consistent with the vertical direction that blank 1 discharges between lower guiding spin axis 5, the blank 1 after rotation is rolled passes through guide transmission gear group
It spins after the rolling guiding of component 10 perpendicular to upper guiding spin axis 4, lower guiding spin axis 5 after moving again by guiding transmission shaft
It holds after sub-assembly 7 rolls guiding and axially moves around upper guiding spin axis 5.
3 both ends of bottom roll can be connected in axial sliding the indexing positioning plate 12 by following manner along it respectively
On the two parts of left and right:
The rotation rolling device further includes undersetting 13 and axial circlip 14；It is set at the two-part top of the indexing positioning plate 12 or so
There is horizontal concrete chute 15, there are two the undersettings 13, and one end of each undersetting 13 connects the bottom roll 3 wherein
One end, the other end can be in the corresponding horizontal concrete chute 15 in axial sliding along the bottom roll 3.The axial direction circlip
There are four 14, the two sides that the undersetting 13 is corresponded in each described horizontal concrete chute 15 are equipped with the axial circlip
14, and the axial circlip 14 resists the side wall and undersetting 13 of corresponding horizontal concrete chute 15；The undersetting 13 is described
It can be L, the spiral baffling that blank 1 is processed into along the distance that the bottom roll 3 axially horizontally slips under the action of axial circlip 14
The screw pitch of plate is S, L=0.05S.
It the both ends of the topping roll 2 respectively can be described along being connected to for vertical its axially direction sliding by following manner
On left and right two parts of lifting and driving axis 6:
The rotation rolling device further includes fixing seat 16, upper bracket 17 and vertical circlip 18；On described 6 or so two parts of lifting and driving axis
It is respectively equipped with the fixing seat 16, the bottom of the fixing seat 16 is equipped with vertical chute 19；There are two the upper brackets 17,
One end of each upper bracket 17 connects wherein one end of the topping roll 2, and the other end can be axial along the vertical topping roll 2
Direction sliding is in the vertical chute 19.There are two the vertical circlips 18, in each described vertical chute 18 and
The corresponding upper bracket 17 is equipped with a vertical circlip 18 far from the outside of described 2 one end of topping roll, and described vertical
Circlip 18 resists the side wall and upper bracket 17 of corresponding vertical chute 18；Effect of the upper bracket 17 in the vertical circlip 18
It can be down H, the thickness for the helical baffles that blank 1 is processed into along the distance that vertical 2 axially direction of topping roll slides up and down
Degree is δ, the δ of H=0.05.
Blank 1 rotates S from highest point A to minimum point C in a circular arc rotation1Or minimum point C is revolved to highest point A
Turn S2During, have the tendency that expanding up and down on the axial direction of vertical topping roll 2 and bottom roll 3, topping roll 2 is upward
Sliding and bottom roll 3 separate, and comply with the trend and do self adjustment gap i.e. between the two and accordingly open, prevent blank 1 from being rolled over
It is disconnected；Blank 1 rotates S from leftmost side point B to rightmost side point D3Or rightmost side point D rotates S to leftmost side point B4During,
Has the tendency that left and right expansion on the axial direction of topping roll 2 and bottom roll 3, bottom roll 3 horizontally slips with respect to topping roll 2, suitable
The trend for answering blank 1 or so to expand, is prevented from and is broken off.
Each in topping roll 2 and bottom roll 3 is done into corresponding sliding respectively to comply with blank 1 two during rotation is rolled
A cataclysm is expanded up and down and left and right expansion, just can guarantee that smoothly rotation is rolled.If topping roll 2 and bottom roll 3 are done left and right simultaneously to slide
Two cataclysms to comply with blank 1 during rotation is rolled are moved or slide up and down, since topping roll 2 and bottom roll 3 slide simultaneously,
Necessary torque cannot be formed to blank 1, it will be unable to complete rotation and roll.
The distance that the undersetting 13 can axially horizontally slip under the action of axial circlip 14 along the bottom roll 3
Screw pitch for L, blank 1 helical baffles being processed into is S；The upper bracket 17 can under the action of vertical circlip 18
The distance slided up and down along vertical 2 axially direction of topping roll is H, the helical baffles that blank 1 is processed into a thickness of
δ.Following table rolls experimental control from the rotation of S, H and δ under different ratios for L under same case:
According to upper table it is found that under the action of axial circlip 14 and vertical circlip 18, control undersetting 13 horizontally slip away from
From L=0.05S, when controlling distance H=0.05 δ that upper bracket 17 slides up and down, the effect that the rotation side of rolling fractures is best.
Following table is technology cited in the rotation rolling device a and background technique for take under same case the δ of L=0.05S, H=0.05
Experimental control is rolled in the rotation of the rotation rolling device of scheme:
According to upper table it is found that the opposite sliding of topping roll 2 and bottom roll 3 can comply with blank 1 and roll into helical baffles process in rotation
In cataclysm, can effectively prevent blank from being revolved to roll and fracture.
According to the heat transfer and hydromechanical design calculating to spiral baffle heat exchanger, spiral baffling helix angle is chosen
β, diameter DN, screw pitch S and thickness δ select axial circlip 14 according to screw pitch S, and thickness δ selects vertical circlip 18；Pass through
Helix angle β determines that angle ω is rolled in top and bottom rolls rotation, their relational expression are as follows: 0 < ω of ω=β, ω value range
≤ 45° ;According to thickness δ, 2 adjustable height e of topping roll, their relational expression are as follows: e=δ are determined;It is rolled according to by rotation
The diameter DN of blank, backspin rolls 4 diameter phi of guiding axis, their relationship in determination are as follows: as DN value 100mm-
When 300mm, φ value 25mm-32mm, as DN value 400mm-600mm, φ value 48mm-57mm, when
When DN value 1000mm-300mm, φ value 89mm-113mm;According to diameter DN and screw pitch S, determine upper and lower
Roller diameter D, their relationship are as follows: D increases with the increase of DN and D < S;According to the revolving speed of upper and lower roll
The screw pitch s of r.p.m and helical baffles determine that helical baffles are done perpendicular to upper guiding spin axis 4, lower guiding spin axis 5
Screw, around the movement rate of upper guiding spin axis 4, lower guiding spin axis 5 when axially moving.In β, ω, s, δ
Under conditions of determination, moreover it is possible to while rotation rolls spiral plate for helical feed and spiral agitator.
First according to the heat transfer and hydromechanical design calculating to spiral baffle heat exchanger, helical baffles spiral shell is chosen
Lift angle β, diameter DN, screw pitch S and thickness δ are revolved, by helix angle β, determines that angle ω is rolled in top and bottom rolls rotation, passes through bottom roll 3
Connection with the different scales of positioning index plate 12 adjusts top and bottom rolls rotation and rolls the angle that angle ω reaches required；According to thickness
δ is spent, determines 2 adjustable height e of topping roll, topping roll 2 can be made along upper guiding spin axis by adjusting lifting and driving axis 6
4 move up and down the height for reaching required, according to by the diameter DN of rotation strip plate part, are oriented to spin axis 4 and lower guiding in selection
5 diameter phi of spin axis；According to diameter DN and screw pitch S, upper and lower roller diameter D is chosen；After completing above-mentioned steps, open electronic
Machine 12 after idle running is steady, is sent into blank between topping roll 2 and bottom roll 3, and motor 11 passes through level-one speed changer
8 driving forces opposite with both direction is exported after dual-range transmission 9, drive topping roll 2 and bottom roll 3 to roll respectively,
Topping roll 2 and bottom roll 3 are by driving the rolling for generating different directions to by between topping roll 2 and bottom roll 3
Blank carries out rotation and rolls, and the blank 1 after overwinding rolls passes through after guide transmission gear sub-assembly 10 exports perpendicular to upper and lower
Rotation rolls guiding axis 4 and spins movement, while rolling guiding axis 4 around upper backspin by guiding drive bearing sub-assembly 7 and doing axis
To movement, it is finally reached the helical baffles as shown in Fig. 3 helical baffles structural schematic diagram.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of anti-fracture of helical baffles revolves rolling device, including drive part, part, the driving are rolled in variable part and rotation
Part is rolled by the variable part driving rotation in part, it is characterised in that:
The drive part exports the opposite driving force of both direction behind the variable part；
It includes topping roll (2), bottom roll (3), upper guiding spin axis (4), lower guiding spin axis (5), lifting and driving that part is rolled in the rotation
Axis (6), guiding drive bearing sub-assembly (7), guiding force transmission mechanism sub-assembly (10) and indexing positioning plate (12)；The topping roll
(2) and bottom roll (3) self-locking connection mutually, topping roll (2), bottom roll (3) are each passed through guiding spin axis (4) and the rotation of lower guiding
Axis (5);The indexing positioning plate (12) includes left and right two parts, and left and right two parts of indexing positioning plate (12) indicate
The scale of angle ω is rolled in rotation for reading the topping roll (2) and the bottom roll (3), and bottom roll (3) both ends respectively can
It is connected in axial sliding along it on two parts of indexing positioning plate (12) left and right；The lifting and driving axis (6) also includes a left side
Right two parts, the both ends of the topping roll (2) can be connected to the lifting and driving along vertical its axially direction sliding respectively
On left and right two parts of axis (6)；Guiding force transmission mechanism sub-assembly (10) is in the horizontal discharging direction of blank (1)；It is described
It is oriented to drive bearing sub-assembly (7) to be arranged between upper guiding spin axis (4) and lower guiding spin axis (5), with hanging down for blank (1) discharging
Histogram is to consistent；
Described two contrary driving forces respectively drive topping roll (2) and bottom roll (3) rotation that part is rolled in the rotation；
It further include fixing seat (16), upper bracket (17) and vertical circlip (18)；Divide on the two parts of lifting and driving axis (6) left and right
Not She You a fixing seat (16), the bottom of the fixing seat (16) is equipped with vertical chute (19)；The upper bracket (17)
There are two, one end of each upper bracket (17) connects wherein one end of the topping roll (2), and the other end can be along vertical described
The sliding of topping roll (2) axial direction is in the vertical chute (19)；
There are two the vertical circlips (18), and in each described vertical chute (18) and the corresponding upper bracket (17) is far from institute
State topping roll (2) one end outside be equipped with a vertical circlip (18), and the vertical circlip (18) resist it is corresponding
The side wall and upper bracket (17) of vertical chute (18)；The upper bracket (17) can be along vertical under the action of vertical circlip (18)
The distance that straight topping roll (2) axially direction slides up and down is H, the helical baffles that blank (1) is processed into a thickness of
The δ of δ, H=0.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318643.5A CN109604489A (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318643.5A CN109604489A (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
| CN201710687893.5A CN107442718B (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710687893.5A Division CN107442718B (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109604489A true CN109604489A (en) | 2019-04-12 |
Family
ID=60491079
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318643.5A Withdrawn CN109604489A (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
| CN201710687893.5A Active CN107442718B (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
| CN201811318644.XA Withdrawn CN109604490A (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710687893.5A Active CN107442718B (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
| CN201811318644.XA Withdrawn CN109604490A (en) | 2017-08-11 | 2017-08-11 | A kind of anti-fracture of helical baffles revolves rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN109604489A (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU558450A2 (en) * | 1974-07-16 | 1982-12-15 | Предприятие П/Я Р-6543 | Mill for making auger flights |
| SU678777A2 (en) * | 1976-11-15 | 1989-08-30 | Предприятие П/Я Р-6543 | Mill for producing helicoidal auger-screw helices |
| US5655398A (en) * | 1995-05-11 | 1997-08-12 | Danieli United, A Division Of Danieli Corporation | Roll crossing and shifting system |
| DE19530424A1 (en) * | 1995-08-18 | 1997-02-20 | Schloemann Siemag Ag | Method for compensating forces on roll stands resulting from horizontal movements of the rolls |
| CN201676984U (en) * | 2010-04-28 | 2010-12-22 | 洛阳海林机械有限公司 | Adjustable equipment capable of rolling multiple-thread screw rod |
| CN203448593U (en) * | 2013-09-22 | 2014-02-26 | 桂林新艺制冷设备有限责任公司 | Rotary rolling device of helical baffle |
| CN205732294U (en) * | 2016-05-10 | 2016-11-30 | 北新集团建材股份有限公司 | Roller equipment |
-
2017
- 2017-08-11 CN CN201811318643.5A patent/CN109604489A/en not_active Withdrawn
- 2017-08-11 CN CN201710687893.5A patent/CN107442718B/en active Active
- 2017-08-11 CN CN201811318644.XA patent/CN109604490A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN107442718B (en) | 2019-01-11 |
| CN109604490A (en) | 2019-04-12 |
| CN107442718A (en) | 2017-12-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190412 |