CN110090879A - A kind of apparatus for bending for welded still pipe - Google Patents
A kind of apparatus for bending for welded still pipe Download PDFInfo
- Publication number
- CN110090879A CN110090879A CN201910469427.9A CN201910469427A CN110090879A CN 110090879 A CN110090879 A CN 110090879A CN 201910469427 A CN201910469427 A CN 201910469427A CN 110090879 A CN110090879 A CN 110090879A
- Authority
- CN
- China
- Prior art keywords
- bending
- steel band
- still pipe
- welded still
- lower die
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 10
- 238000005507 spraying Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of apparatus for bending for welded still pipe, for by steel band bending closed moulding, the at least one set of foldable component and multiple groups closing assembly that apparatus for bending includes rack, is set gradually along the direction of one end to the other end of rack, foldable component includes the upper die and lower die for being respectively arranged on the two sides of steel band vertical direction, the die face of upper die and lower die is W type, and what upper die and lower die can cooperate is bent into steel band on W type.A kind of apparatus for bending for welded still pipe of the invention, pass through the setting of foldable component and closing assembly, steel band can be bent into after W type bending and molding again, two longitudinal edges are longitudinally straight laterally just without drop after realizing steel band bending, to reach stability when welding, the unstable problem of the excessive caused welding of c-type bending bring steel band bounce in the prior art is overcome.
Description
Technical field
The present invention relates to the manufacturing fields of welded still pipe, and in particular to a kind of apparatus for bending for welded still pipe.
Background technique
Welded still pipe refers to be deformed into the shapes such as round, rectangular with steel band or steel plate bending after be welded into again, surface has
The steel pipe of seam.In the prior art, steel band is usually directly gradually bent into c-type closed tube, is then welded.But
Due to that can have bounce when steel band bending, steel band is thicker, and bounce is bigger, and the biggish bounce that direct bending generates is very big
The stability for affecting welding, affect the quality of subsequent welded still pipe obtained.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of apparatus for bending for welded still pipe, the folding
Bending apparatus can be good at overcoming bounce when steel band bending, improve the stability of welding, ensure that welding steel obtained
The quality of pipe.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of apparatus for bending for welded still pipe, for by steel band bending closed moulding, the apparatus for bending to include rack, edge
The direction at least one set of foldable component and multiple groups closing assembly that set gradually of one end to the other end of the rack,
The foldable component includes the upper die and lower die for being respectively arranged on the two sides of the steel band vertical direction, the upper mold and described
The die face of lower die is W type, and what the upper mold and the lower die can cooperate is bent into W type for the steel band；
The closing assembly includes two pressure rollers for being rotatably set to the two sides of its vertical feed direction of the steel band respectively, described
The pivot center of pressure roller extend along horizontal direction or vertical direction and perpendicular to feed direction, two pressure rollers can match
The gradually bending closed moulding of the steel band by W type closed.
Preferably, the upper mold and the lower die are rotatably set in the rack.
Preferably, the bending gap of W type is formed between the upper mold and the lower die, the steel band, which can be worn, to be passed through
The bending gap.
It is further preferred that the foldable component there are two groups, and set gradually along the feed direction of the steel band.
It is further preferred that the bending gap of two groups of foldable components along the steel band feed direction gradually
Reduce.
Preferably, the pressure roller include rotatable shaft, the roll surface that is sheathed in the shaft, the roll surface can match
The outer surface for contacting at the steel band closed.
Preferably, the closing assembly further includes the bracket in the rack, and two pressure rollers can be along phase
Mutually close to or far from direction be slidably set on the bracket.
Preferably, the pressure roller includes set on the perpendicular roller of the side of the steel band vertical direction and set on the steel band water
Square to side plain-barreled roll, the perpendicular roller and the plain-barreled roll are arranged along feed direction interval.
Preferably, the apparatus for bending further includes in the rack for spraying lubricating fluid on the steel band
Spray assemblies.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: one kind of the invention
Steel band can be bent into after W type and be rolled over again by the setting of foldable component and closing assembly for the apparatus for bending of welded still pipe
Roll forming, longitudinally straight laterally height is overcome without drop with reaching stability when welding two longitudinal edges after realizing steel band bending
The unstable problem of welding caused by c-type bending bring steel band bounce in the prior art is excessive.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the schematic cross-section of foldable component of the invention.
Wherein: 1, rack；2, foldable component；2a, upper mold；2b, lower die；2c, bending gap；3, closing assembly；3a, pressure
Roller；3a1, perpendicular roller；3a2, plain-barreled roll；3b, bracket；3c, screw rod；3d, the first sliding block；3e, the second sliding block；4, spray assemblies；
100, steel band.
Specific embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
Referring to shown in Fig. 1-2, a kind of apparatus for bending for welded still pipe is used for 100 bending closed moulding of steel band, folding
Bending apparatus include rack 1, at least one set of foldable component 2 set gradually along the direction of one end to the other end of rack 1 and
Multiple groups closing assembly 3, foldable component 2 include the upper mold 2a and lower die 2b for being respectively arranged on the two sides of 100 vertical direction of steel band, upper mold
The die face of 2a and lower die 2b are W type, and what upper mold 2a and lower die 2b can cooperate is bent into W type for steel band 100；Closing assembly 3 wraps
Include respectively rotatably set on two pressure roller 3a of the two sides of its vertical feed direction of steel band 100, the pivot center of pressure roller 3a along
Horizontal direction or vertical direction extend and perpendicular to feed directions, and what two pressure roller 3a can cooperate gradually rolls over the steel band 100 of W type
Curved closed moulding.
By the setting of foldable component 2 and closing assembly 3, steel band 100 can be bent into after W type bending and molding again, it is real
Longitudinally straight laterally height is overcome existing without drop with reaching stability when welding two longitudinal edges after existing 100 bending of steel band
The unstable problem of welding caused by c-type bending bring 100 bounces of steel band in technology are excessive.
In the present embodiment, upper mold 2a and lower die 2b are rotatably set in rack 1.It is formed between upper mold 2a and lower die 2b
There is the bending gap 2c of W type, steel band 100 can be worn through bending gap 2c.Here, upper mold 2a and lower die 2b is driven by motor
Turn is dynamic.
Foldable component 2 has two groups, and sets gradually along the feed direction of steel band 100.Between the bending of two groups of foldable components 2
Gap 2c is gradually reduced along the feed direction of steel band 100.Here, bending gap 2c can be according to requiring to change, and upper mold 2a is under
Mould 2b can be slided along direction close to each other or separate, driven and gone up and down by screw rod.Pressure roller 3a includes rotatable turns
Axis, the roll surface being sheathed in shaft, what roll surface can cooperate contacts at the outer surface of steel band 100.
In the present embodiment, closing assembly 3 further includes the bracket 3b in rack 1, and two pressure roller 3a can be along mutual
Close to or far from direction be slidably set on bracket 3b.Herein, pressure roller 3a realizes sliding by screw rod 3c, pressure roller 3a's
Both ends of the shaft is connected in the first sliding block 3d on bracket 3b, and the first sliding block 3d is threadedly connected on screw rod 3c, by turning
Dynamic screw rod 3c realizes the sliding of pressure roller 3a.Here, the slide construction of upper mold 2a and lower die 2b are identical as pressure roller, are screw rod sliding block
Lifting, but be not shown in the figure.
Pressure roller 3a includes set on the perpendicular roller 3a1 of the side of 100 vertical direction of steel band and set on 100 horizontal direction of steel band
The plain-barreled roll 3a2 of side erects roller 3a1 and plain-barreled roll 3a2 and is arranged along feed direction interval.By the interval for erecting roller 3a1 and plain-barreled roll 3a2
Setting, can in the horizontal direction successively press steel band 100 with vertical direction, improve steel pipe obtained planarization and
Linearity.Here, the both ends of plain-barreled roll 3a2 are bracket 3b, and it is sliding that the lower end of perpendicular roller 3a1 is connected with bracket 3b, one band of upper end insertion
In second sliding block 3e of slot (not shown), the upper end of the perpendicular roller 3a1 can be slided in sliding slot.
In the present embodiment, which further includes in rack 1 for spraying lubricating fluid on steel band 100
Spray assemblies 4.The spray assemblies 4 are including spray tube and for providing the lubricating fluid storing pressurized device of lubricating fluid to spray tube
(not shown), the nozzle of spray tube is towards steel plate.Here kinematic viscosity is 80 ~ 90mm2/S, coagulates when lubricating fluid is 40 DEG C
The grease that point is -3 ~ 12 DEG C.By spraying lubricating fluid, huge pressure and frictional force are generated when reducing steel plate bending, into one
Step improves the stability of welding.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of apparatus for bending for welded still pipe is used for steel band (100) bending closed moulding, it is characterised in that: described
At least one set of bending that apparatus for bending includes rack (1), is set gradually along the direction of one end to the other end of the rack (1)
Component (2) and multiple groups closing assembly (3),
The foldable component (2) includes the upper mold (2a) and lower die for being respectively arranged on the two sides of the steel band (100) vertical direction
The die face of (2b), the upper mold (2a) and the lower die (2b) is W type, and the upper mold (2a) and the lower die (2b) can cooperate
The steel band (100) is bent into W type；
The closing assembly (3) includes respectively rotatably set on the two of the two sides of the steel band (100) its vertical feed direction
Pressure roller (3a), the pivot center of the pressure roller (3a) extend along horizontal direction or vertical direction and perpendicular to feed directions,
The steel band (100) by W type that two pressure rollers (3a) can cooperate gradually bending closed moulding.
2. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: the upper mold (2a) and
The lower die (2b) is rotatably set on the rack (1).
3. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: the upper mold (2a) and
The bending gap (2c) of W type is formed between the lower die (2b), the steel band (100) can wear through the bending gap
(2c).
4. a kind of apparatus for bending for welded still pipe according to claim 3, it is characterised in that: the foldable component
(2) there are two groups, and set gradually along the feed direction of the steel band (100).
5. a kind of apparatus for bending for welded still pipe according to claim 4, it is characterised in that: two groups of bendings
The bending gap (2c) of component (2) is gradually reduced along the feed direction of the steel band (100).
6. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: pressure roller (3a) packet
The roll surface for including rotatable shaft, being sheathed in the shaft, what the roll surface can cooperate contacts at the steel band (100)
Outer surface.
7. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: the closing assembly
It (3) further include the bracket (3b) on the rack (1), two pressure rollers (3a) can be along close to each other or separate
Direction is slidably set on the bracket (3b).
8. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: pressure roller (3a) packet
It includes set on the perpendicular roller (3a1) of the side of the steel band (100) vertical direction and set on the side of the steel strip horizontal direction
Plain-barreled roll (3a2), the perpendicular roller (3a1) and the plain-barreled roll (3a2) are arranged along feed direction interval.
9. a kind of apparatus for bending for welded still pipe according to claim 1, it is characterised in that: the apparatus for bending is also
Including the spray assemblies (4) for the injection lubricating fluid on the steel band (100) being set on the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469427.9A CN110090879B (en) | 2019-05-31 | 2019-05-31 | Bending device for welding steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469427.9A CN110090879B (en) | 2019-05-31 | 2019-05-31 | Bending device for welding steel pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090879A true CN110090879A (en) | 2019-08-06 |
| CN110090879B CN110090879B (en) | 2024-01-23 |
Family
ID=67449887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910469427.9A Active CN110090879B (en) | 2019-05-31 | 2019-05-31 | Bending device for welding steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090879B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408633A (en) * | 2020-03-31 | 2020-07-14 | 吴丽萍 | Ultra-thin metal plate welding process, composite water pipe and production equipment thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110090879B (en) | 2024-01-23 |
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