CN106938284A - Helical rib manufacture of steel pipe and device - Google Patents
Helical rib manufacture of steel pipe and device Download PDFInfo
- Publication number
- CN106938284A CN106938284A CN201611014824.XA CN201611014824A CN106938284A CN 106938284 A CN106938284 A CN 106938284A CN 201611014824 A CN201611014824 A CN 201611014824A CN 106938284 A CN106938284 A CN 106938284A
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- China
- Prior art keywords
- rib
- steel pipe
- roll
- forming section
- lock seam
- 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
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- 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
- B21C37/065—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 starting from a specific blank, e.g. tailored blank
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
Abstract
The present invention relates to a kind of helical rib manufacture of steel pipe and device.Therefore, for helical rib manufacture of steel pipe formed by being wound for being truncated after spiral, it is a feature of the present invention that the helical rib manufacture of steel pipe includes：Coated steel sheet setting steps so that the cated coated steel sheet of tool is arranged at uncoiler；Rib forming step at initial stage, causes that preliminary forming rib is formed in the form of deepening from the coated steel sheet of uncoiler release by the rib forming section at initial stage of forming section；Rib mid-term forming step, the coating type curved plates between the preliminary forming rib cause that edge diminishes by rib mid-term forming section；Rib later stage forming step, the edge is pressurizeed by rib later stage forming section, and is formed with the coating type rib plain plate with complete rib in coating type plain plate；Lock seam forming step, is pressurized to lock seam forming section, so as to form lock seam at the both sides edge of the coating type rib plain plate；Tubulation step, the coating type rib plain plate for being formed with the lock seam is formed as helical rib steel pipe by tubulation portion；And steel pipe blocks step so that the helical rib steel pipe for being made into pipe is blocked by cut through.Thus, it is consistent, so as to prevent from producing inverse friction on the surface of coated steel sheet, is damaged this prevents coating due to inverse friction the invention enables the rotary speed for the roll for being provided with forming section or rotation amount.
Description
Technical field
The present invention relates to a kind of helical rib manufacture of steel pipe and device, particularly, uncoiler is being wound in
(uncoiler) during the cated coated steel sheet of tool is by shaping (Forming) portion, by with idle running
(idle) the rib forming section at initial stage of bearing and rib mid-term forming section and rib later stage forming section to cause successively positioned at preliminary forming rib,
After coating type bending (bending) edges of plate curvature between preliminary forming rib diminishes, edge is pressed into right angle, together
When rib forming section at initial stage and the roll (roll) of rib mid-term forming section and rib later stage forming section the left and right sides can be separated.
Background technology
Generally, in the main shifting that concrete Hume (Hume) pipe is used as to guiding fluid such as road, bay, sewage treatment plant
Dynamic pipe, is had a problem in that, concrete Hume pipe is being carried and handled due to the increase of itself weight and volume
Shi Keneng may require that input jumbo, and due to workability reduction caused by the setting and dismounting in construction because of mould
With the increase of connecting portion, therefore the duration is elongated, and the cement at initial stage (cement) for being subjected to be attached connecting portion
Seasonal restriction caused by freezing.
Recently, lock seam (lock seam) is being arranged at the both sides rectangular with the length direction of galvanized steel plain sheet
Point, and be rolled into it is hollow it is spiral helicine during, use so that the galvanized steel plain sheet that lock seam is connected with each other.
The galvanized steel plain sheet is entirely smooth shape for the remainder in addition to the lock seam connecting portion of body
State, or use the pleat of the form formation fold of remainder spirally in addition to the lock seam connecting portion of body
Wrinkle shape galvanized steel plain sheet
But, have a problem in that, remaining body portion in addition to lock seam connecting portion is entirely smooth
Form galvanized steel plain sheet due to surface strength it is weaker, therefore the large-scale steel pipe being relatively large in diameter, after shaping, morphotropism is got over
Seriously, and in galvanized steel plain sheet buries operation, lock seam connecting portion is caused to depart from due to distortion.
In addition, have again another problem is that, in the embedded operation of galvanized steel plain sheet, applied due to not noting from outside
Plus in the case of impact, tube surfaces are easily crushed, or in the case where the impact is more serious, it is torn.
Registration patent gazette the 10-0780862nd is proposed as solving the scheme of described problem
The manufacture method of the plane fold shape steel pipe of (2007.11.23), and the manufacture method of the plane fold shape steel pipe proposed exists
Setting is rolled into after the plate shaped galvanized steel plain sheet of roll form, is installed on uncoiler (uncoiler), if operation is opened
Volume machine, then galvanized steel plain sheet from uncoiler be released while, by positioned at side roll shape (forming) portion, while root
According to roll forming section forming rolls structure to length direction formation plane fold, by roll forming section steel plate by into
Shape portion be rolled into it is spiral helicine simultaneously, its marginal portion rolled up and lock seam form plane fold during being attached
The step of carry out following steps successively：The step of by multi-step formation convex portion, in addition to plane fold formation part
Remainder, first its width gradually constriction to defined width size, while height become higher gradually；By multistep
Suddenly the step of forming recess deviously, while flatly pressing the convex portion, remaining part is pushed to its both sides, while
Its two side portions has angle, so that its width is not varied widely, height becomes lower gradually.
But, have a problem in that, the manufacture method of the plane fold shape steel pipe is only for pure galvanized steel
Plate is effective, in the case where the film (film) on protection surface is coated, due to during by roll forming section
Higher roll causes to produce inverse friction on the surface of galvanized steel plain sheet with the difference of the linear velocity of relatively low roll.
In addition, having a problem in that, due to described, the zinc coat and film coating quilt on the surface of galvanized steel plain sheet are formed at
Damage.
In addition, have again another problem is that, because the diameter of higher roll and the relatively low roll of roll forming section becomes
Greatly, weight can be heavier, and thus during the making of top and the bottom roll is with inspection and replacement, operating personnel exists and occurs accident
Danger, and need substantial amounts of time and expense
【Look-ahead technique document Prior Art】
【Patent document】
(patent document 1) registration patent gazette the 10-0780862nd (2007.11.23)
The content of the invention
The present invention causes that the rotary speed or rotation amount of the top and the bottom of forming section are all consistent by box bearing, by
This, because linear velocity is consistent, therefore prevents from producing inverse friction on the surface of coated steel sheet, and coating can be prevented to be damaged
Wound, meanwhile, the left and right sides of each roll of forming section is separated, so as to easily realize manufacture with checking and replacing.
For the helical rib manufacture of steel pipe for being wound for being truncated and being formed after spiral, spy of the invention
Levy and be, the helical rib manufacture of steel pipe includes：Coated steel sheet setting steps S100, the coated steel sheet with coating C
S1 is arranged at uncoiler 100；Rib forming step at initial stage S200, the coated steel sheet S1 unclamped from the uncoiler 100 passes through shaping
Rib forming section at the initial stage 230a in portion 200 causes the preliminary forming rib RR with certain intervals alongst gradually to deepen
Form formed；Rib mid-term forming step S300, the coating type between the preliminary forming rib RR and preliminary forming rib RR
Curved plates S2 causes that edge is tapered into by rib mid-term forming section 230b；It is rib later stage forming step S400, described
Coating type curved plates S2 edge is pressurizeed at a right angle with preliminary forming rib RR edge by rib later stage forming section 203c, and
And it is formed with the coating type rib plain plate S4 with complete rib CR in coating type plain plate S3；Lock seam forming step
S500, is shaped at the both sides edge of the coating type rib plain plate S4 by the relatively low lock seam of lock seam forming section 240
Roll 241-2 and higher lock seam forming rolls 242-2 are pressurizeed and formed lock seam L；Tubulation step S600, shape
Helical rib steel pipe RP is formed as by tubulation portion 300 into the coating type rib plain plate S4 for having the lock seam L；And steel pipe
Step S700 is blocked, the helical rib steel pipe RP for being made into pipe obtains blocking by cut through 400
In addition, being characterised by, preliminary forming rib RR and the rib mid-term forming step of the forming step S200 at rib initial stage
S300 and rib later stage forming step S400 complete rib CR has box bearing 232-4 by variable pressurization roll portion 232
Higher pressurization idle roll 232-3 cause higher pressurization stationary roll 232-2 and the relatively low branch in support stationary roll portion 231
Support recess roll 231-3 linear velocity is consistent
In addition, for helical rib steel pipe manufacture device A, the helical rib steel pipe manufacture device A includes：Uncoiler
100, it is wound with the cated coated steel sheet S1 of tool；Forming section 200, its coated steel sheet to be unclamped from the uncoiler 100
The form that S1 is formed with rib R and lock seam L is pressed；Cut through 400, it is set to, and is formed with the rib R and spinning
Seam L coating type rib plain plate S4 is wound up as spiral by tubulation portion 300, so that helical rib steel pipe RP is formed, and
And make it that the helical rib steel pipe RP is truncated, it is a feature of the present invention that the forming section 200 is set to, with drive
The top of the support frame 220 in dynamic portion 210 is arranged with from front direction rear to be formed with rib R rib forming section 230 and is formed with crimping
The lock seam forming section 240 of seam line L, support stationary roll portion 231 is set to, and is supporting fixing axle 231-1 along direction of principal axis
Relatively low (lower) support convex roll 231-2 and relatively low support recess roll 231-3 are fixed with the form of arranging repeatedly, can
Become pressurization roll portion 232 and be provided with higher pressurization fixation in the form of arranging repeatedly along direction of principal axis in variable pressuring shaft 232-1
Roll 232-2 is fixed on pressurization flexible shaft with higher pressurization idle roll 232-3, the higher pressurization stationary roll 232-2
232-1, and the higher pressurization idle roll 232-3 is arranged in the form of it can be rotated by box bearing 232-4
Pressurization flexible shaft 232-2, the relatively low support convex roll 231-2 and higher pressurization stationary roll 232-2 is set to left and right two
Side is separated.
In addition, in the higher pressurization idle roll 232-3, box bearing 232-4 foreign steamer is in the form of being interference fitted
It is incorporated into roller (roller) main body 232-3a inner edges portion that short bank groove 232-3b is formed with to side, and the box bearing
232-4 lubrication groove is incorporated into variable pressuring shaft 232-1 in the form of being interference fitted, and the foreign steamer of the box bearing 232-4 passes through
Locating snap ring 232-3d is fixed, the annular groove 232-3c of other sides of the locating snap ring 232-3d with being formed at short bank groove 232-3b
With reference to the roller main body 232-3a is formed as the rib shaping pressure rings with width W ' narrow the width W than roller main body 232-3a
Portion 232-3e protrudes from outside along portion, 232-2 points of the higher pressurization stationary roll in the both sides positioned at the roller main body 232-3a
Roller main body insertion groove 232-3f is not formed with.
In addition, be characterised by, the rib forming section 230 include rib forming section at initial stage 230a and rib mid-term forming section 230b and
Rib later stage forming section 230c, and the lock seam forming section 240 supports the top in stationary roll portion 241 to set in lock seam
The variable roll portion 242 of lock seam pressurization is equipped with, the lock seam support stationary roll portion 241 is supported in lock seam to be fixed
Axle 241-1 both side ends are provided with relatively low lock seam forming rolls 241-2, the variable roll portion of lock seam pressurization
242 are provided with higher lock seam forming rolls 242-2. in lock seam flexible shaft 242-1 both side ends
The present invention has the effect that, passes through the mistake of forming section in the cated coated steel sheet of tool for being wound in uncoiler
Cheng Zhong, make it that each sets by the rib forming section at initial stage with box bearing with rib mid-term forming section and rib later stage forming section
The rotary speed or rotation amount for being equipped with the roll of forming section are consistent.
In addition, it can thus be concluded that to effect be so that linear velocity is consistent, so as to prevent the table in coated steel sheet
Face produces inverse friction.
In addition, thus have the effect that, prevent from being arranged at coated steel sheet surface coating due to inverse friction by
Damage, and can obtain the product of high-quality
Meanwhile, available effect is, each rib forming section at initial stage and rib mid-term forming section and rib later stage forming section
The left and right sides of roll is separated, thus, and weight is reduced, and can easily realize manufacture with checking and replacing.
In addition, it can thus be concluded that to the operating personnel required for checking and replacing and the effect of time and expense can be reduced, together
When, it can obtain can further improve the effect of production rate.
Brief description of the drawings
Fig. 1 is the diagrammatic illustration for showing the helical rib steel pipe manufacture device according to the present invention.
Fig. 2 be show the forming section in the helical rib steel pipe manufacture device according to the present invention rib mid-term forming section it is vertical
Body figure.
Fig. 3 is shown in a separate form in the rib of the forming section in the helical rib steel pipe manufacture device according to the present invention
The stereogram in variable pressurization roll portion in phase forming section.
Fig. 4 is shown with cut-out in the rib of the forming section in the helical rib steel pipe manufacture device according to the present invention
The stereogram in variable pressurization inside and outside portion of roll portion in phase forming section.
Fig. 5 is shown in a separate form in the rib of the forming section in the helical rib steel pipe manufacture device according to the present invention
The stereogram in stationary roll portion is supported in phase forming section.
Fig. 6 is shown with cut-out in the rib of the forming section in the helical rib steel pipe manufacture device according to the present invention
The stereogram in stationary roll portion is supported in phase forming section.
Fig. 7 is the precedence diagram for showing the helical rib manufacture of steel pipe according to the present invention.
Fig. 8 a to 8n are the diagrammatic illustration for showing the helical rib manufacture of steel pipe according to the present invention in order
Fig. 9 is by being put according to the helical rib steel pipe manufacture device of the present invention come the recess of the helical rib steel pipe manufactured
Big longitdinal cross-section diagram
Embodiment
As described below is carried out to embodiments of the invention referring to the drawings
Fig. 1 is the diagrammatic illustration for showing the helical rib steel pipe manufacture device according to the present invention, and Fig. 2 is shown according to the present invention
Helical rib steel pipe manufacture device in forming section rib mid-term forming section stereogram, Fig. 3 is to show in a separate form
Variable pressurization roll portion is vertical in the rib mid-term forming section of forming section in the helical rib steel pipe manufacture device of the present invention
Body figure, Fig. 4 is the rib mid-term that the forming section in the helical rib steel pipe manufacture device according to the present invention is shown with cut-out
The stereogram in variable pressurization inside and outside portion of roll portion in forming section, Fig. 5 is to show the spirality according to the present invention in a separate form
The stereogram in stationary roll portion is supported in the rib mid-term forming section of forming section in rib steel pipe manufacturing apparatus, Fig. 6 is with incision
Form shows to support fixation to roll in the rib mid-term forming section of the forming section in the helical rib steel pipe manufacture device according to the present invention
The stereogram in roller portion.
As shown in Figures 1 to 6, to before being illustrated according to the helical rib manufacture of steel pipe of the present invention, being used for
Manufacture the device of the manufacture device A of the helical rib steel pipe as manufacture helical rib steel pipe, it include uncoiler 100, into
Shape portion 200, tubulation portion 300 and cut through 400, have cated coated steel sheet S1 and the uncoiling are arranged in the form of winding
Machine 100, the coated steel sheet S1 unclamped from the uncoiler 100 is set to during being pressed by forming section 200, is formed
Rib R and lock seam L.
The coating type rib plain plate S4 for being formed with the rib R and lock seam L is set to, and is wound up as by tubulation portion 300
Spiral, is consequently formed helical rib steel pipe RP, and cause helical rib steel pipe R P quilts by the cut through 400
Block as with certain length
In this process, the forming section 200 is set to, and is being formed with the Coated Steels of the coating C with specific thickness
Plate S1 prevents from producing inverse friction on the surface being made up of galvanized steel plain sheet during being shaped by roll, so as to prevent that coating C from being broken
Damage or damage, and then can obtain the product of high-quality.
Therefore, the forming section 200 is set to, can be after front direction on the top of the support frame 220 with drive division 210
Side drives rib forming section 230 and lock seam forming section 240 by drive division 210 simultaneously.
The rib forming section 230 is used for the shape in the form of the coated steel sheet S1 with plate morphology is not damaged with coating C
The rib R of quadrangularly state, and be set to, it is disposed with after rib forming section at initial stage 230a and rib mid-term forming section 230b and rib
Phase forming section 230c, and can be pressurizeed successively.
The forming section 230a at rib initial stage and rib mid-term forming section 230b and rib later stage forming section 230c are set to, and are used respectively
Chain (chain) etc. is connected to the drive division 210 of bottom, and the support stationary roll portion 231 being driven directly and top can
Face can be faced each other by becoming pressurization roll portion 232.
The support stationary roll portion 231 is configured in the form of it can be rotated by bearing (bearing) etc.
It is arranged in the state of support frame 220, it is impossible to from top to bottom or from lower to upper part movement, and in support fixing axle
231-1 is axially fixed with relatively low (lower) support convex roll 231-2 and relatively low (lower) in the form of arranging repeatedly
Support recess roll 231-3.
The variable pressurization roll portion 232 can be with relatively low support convex roll 231-2 and relatively low support recess with bottom
The form that roll 231-3 faces each other face is arranged in the support fixing axle 231-1 for being arranged at support frame 220 along direction of principal axis repeatedly
Straight top, and be set to the variable pressuring shaft 232-1 parallel with the support fixing axle 231-1 along direction of principal axis repeatedly
Higher (Upper) pressurization stationary roll 232-2 and higher (Upper) pressurization idle roll 232-3 are arranged, and is set in quilt
During driving, linear velocity can be consistent.
For the linear velocity, although the relatively low support recess roll 231-3 in support stationary roll portion 231 described later
Diameter diameter than relatively low support convex roll 231-2 hour, support fixing axle 231-1 produces circumference during being rotated
During the difference of speed, produce inverse friction, still, now, by with relatively low support recess roll 231-3 is aspectant can
Become the higher pressurization idle roll 232-3 in pressurization roll portion 232, to make up the difference of peripheral speed.Stated differently, since linear speed
Degree is consistent, therefore prevents that the surface of the coated steel sheet S1 between by it from producing inverse friction, and this prevents coating C
It is damaged or damaged.
Therefore, the higher pressurization stationary roll 232-2 is fixed on pressurization flexible shaft 232-1, the higher pressurization idle running
Roll 232-3 is arranged at pressurization flexible shaft 232-2. in the form of it can be rotated by box bearing 232-4
For the relatively low support convex roll 231-2 and higher pressurization stationary roll 232-2, its left and right sides is divided
From, due to significantly decreasing volume and weight, therefore during being manufactured and being taken care of and checked with replacement, operating personnel
Can easily it be operated.Now, in the higher pressurization idle roll 232-3, box bearing 232-4 foreign steamer is to be interference fitted
Form be incorporated into roller (roller) main body 232-3a inner edges portion that short bank groove 232-3b is formed with to side, and the sky
The lubrication groove that 232-4 is held in rotating shaft is incorporated into variable pressuring shaft 232-1 in the form of being interference fitted.
The foreign steamer of the box bearing 232-4 is fixed by locating snap ring 232-3d, so as to be set to prevent in sky
Rotating shaft hold 232-4 it is powered during moved, the locating snap ring 232-3d and other sides for being formed at short bank groove 232-3b
Annular groove 232-3c combine.
The roller main body 232-3a is formed as the rib shaping pressurization with width W ' narrow the width W than roller main body 232-3a
Ring portion 232-3e protrudes from outside along portion, the higher pressurization stationary roll 232-2 in the both sides positioned at the roller main body 232-3a
It is respectively formed with roller main body insertion groove 232-3f.
As shown in figure 9, the lock seam forming section 240 is formed with lock seam L in coating type plain plate S4 both sides,
During being rolled by tubulation portion 30 so that face each other face, the top in stationary roll portion 241 is supported in lock seam
It is provided with the variable roll portion 242 of lock seam pressurization.
Here, the lock seam support stationary roll portion 241 supports fixing axle 241-1 both side ends in lock seam
Relatively low lock seam forming rolls 241-2 is provided with, the lock seam pressurizes variable roll portion 242 in lock seam flexible shaft
242-1 both side ends are provided with higher lock seam forming rolls 242-2.
Fig. 7 is the precedence diagram for showing the helical rib manufacture of steel pipe according to the present invention, and Fig. 8 a to 8n are to show in order
Go out the diagrammatic illustration of the helical rib manufacture of steel pipe according to the present invention.
As shown in Fig. 7 and Fig. 8 a to 8n, for helical rib steel pipe A as described above, first, set as coated steel sheet
Step S100 is put, after the coated steel sheet S1 for being coated with the coating C with specific thickness is arranged at uncoiler 100, from described
Uncoiler 100 unclamps coated steel sheet S1 with certain speed, and is supplied in forming section 200.
Next, as shown in Fig. 8 a to 8e, the rib forming section at initial stage that the coated steel sheet S1 being released passes through forming section 200
230a forms (rib shape at initial stage to have the preliminary forming rib RR of certain intervals in the form of alongst gradually deepening
Into step S200)
Next, as shown in Fig. 8 f to Fig. 8 h, as rib mid-term forming step S300, being formed with preliminary forming rib RR painting
Stratotype curved plates S2's is used as the coating type curved plates positioned at the part between preliminary forming rib RR and preliminary forming rib RR
After S2 causes that edge is tapered into by rib mid-term forming section 230b, as illustrated in fig. 8i, coating type curved plates S2
Edge and preliminary forming rib RR edge pressurizeed by rib later stage forming section 203c at a right angle, and in coating type plain plate
S3 is formed with the coating type rib plain plate S4 (rib later stage forming step S400) with complete rib CR.Now, the rib initial stage
Complete rib in forming step S200 preliminary forming rib RR and rib mid-term forming step S300 and rib later stage forming step S400
CR causes higher add by the higher pressurization idle roll 232-3 with box bearing 232-4 in variable pressurization roll portion 232
Pressure stationary roll 232-2 and the relatively low support recess roll 231-3 in support stationary roll portion 231 linear velocity are consistent, from
And can prevent that the coating C for being coated on coated steel sheet S1 surface is damaged due to inverse friction
Next, as shown in Fig. 8 j to Fig. 8 n, as lock seam forming step S500, coating type rib plain plate S4's
Rolled by the relatively low lock seam forming rolls 241-2 of lock seam forming section 240 with the shaping of higher lock seam at both sides edge
Roller 242-2 is pressurizeed, so as to be formed after lock seam L, as shown in Fig. 1 and Fig. 7, is formed with lock seam L coating
Type rib plain plate S4 is formed as helical rib steel pipe RP (tubulation step S600) by tubulation portion 300
Next, as shown in figure 9, by being blocked by cut through 400 by the helical rib steel pipe RP of tubulation
Steel pipe blocks step S700 to manufacture the helical rib steel pipe RP with rib R Yu lock seam L.
Label declaration
C：Coating CR：Rib
L：Lock seam RP：Helical rib steel pipe
RR：Preliminary forming rib S1：Coated steel sheet
S2：Coating type curved plates S3：Coating type plain plate
S4：Coating type rib plain plate S100：Coated steel sheet setting steps
S200：Rib forming step at initial stage S300：Rib mid-term forming step
S400：Rib later stage forming step S500：Lock seam forming step
S600：Tubulation step S700：Steel pipe blocks step
100：Uncoiler 200：Forming section
200：Forming section 210：Drive division
220：Support frame 230：Rib forming section
230a：Rib forming section at initial stage 230b：Rib mid-term forming section
203c：Rib later stage forming section 231：Support stationary roll portion
231-1：Support fixing axle 231-2：Relatively low support convex roll
231-3：Relatively low support recess roll 232：Variable pressurization roll portion
232-1：Variable pressuring shaft 232-2：Higher pressurization stationary roll
232-3：Higher pressurization idle roll 232-4：Box bearing
240：Lock seam forming section 241-1：Relatively low lock seam forming rolls
242-2：Higher lock seam forming rolls 300：Tubulation portion
400：Cut through
Claims (5)
1. a kind of helical rib manufacture of steel pipe, its be wound for being truncated after spiral formed by spirality rib steel
Pipe manufacturing method, it is characterised in that the helical rib manufacture of steel pipe includes：
Coated steel sheet setting steps (S100) so that the coated steel sheet (S1) with coating (C) is arranged at uncoiler (100)；
Rib forming step at initial stage (S200), the coated steel sheet (S1) unclamped from the uncoiler (100) passes through forming section (200)
Rib forming section at initial stage (230a) causes the preliminary forming rib (RR) with certain intervals with what is alongst gradually deepened
Form is formed；
Rib mid-term forming step (S300), the coating type between the preliminary forming rib (RR) and preliminary forming rib (RR) is curved
Bent steel plate (S2) causes that edge is tapered into by rib mid-term forming section (230b)；
Rib later stage forming step (S400), the edge of the coating type curved plates (S2) leads to the edge of preliminary forming rib (RR)
It is at a right angle to pressurize to cross rib later stage forming section (203c), and is formed with coating type plain plate (S3) with complete rib (CR)
Coating type rib plain plate (S4)；
Lock seam forming step (S500), is shaped at the both sides edge of the coating type rib plain plate (S4) by lock seam
The relatively low lock seam forming rolls (241-2) in portion (240) obtains pressurizeing simultaneously with higher lock seam forming rolls (242-2)
Form lock seam (L)；
Tubulation step (S600), the coating type rib plain plate (S4) for being formed with the lock seam (L) passes through tubulation portion (300) shape
As helical rib steel pipe (RP)；And
Steel pipe blocks step (S700) so that the helical rib steel pipe (RP) for being made into pipe by cut through (400) come
To blocking.
2. helical rib manufacture of steel pipe according to claim 1, it is characterised in that
The preliminary forming rib (RR) of the forming step at rib initial stage (S200) and rib mid-term forming step (S300) and rib later stage shape
Complete rib (CR) into step (S400) passes through the higher with box bearing (232-4) of variable pressurization roll portion (232)
Idle roll (232-3) is pressurizeed to cause higher pressurization stationary roll (232-2) and the relatively low branch of support stationary roll portion (231)
The linear velocity of support recess roll (231-3) is consistent.
3. a kind of helical rib steel pipe manufacture device, it is helical rib steel pipe manufacture device (A), the helical rib steel pipe system
Making device (A) includes：Uncoiler (100), it is wound with the cated coated steel sheet (S1) of tool；Forming section (200), it is with from institute
The coated steel sheet (S1) for stating uncoiler (100) release is formed with the form of rib (R) and lock seam (L) and pressed；Cut through
(400), it is set to, and the coating type rib plain plate (S4) for being formed with the rib (R) and lock seam (L) passes through tubulation portion
(300) spiral is wound up as, so as to form helical rib steel pipe (RP), and causes helical rib steel pipe (RP) quilt
Block, the helical rib steel pipe manufacture device is characterised by,
The forming section (200) is set to, and is arranged on the top of the support frame (220) with drive division (210) from front direction rear
The rib forming section (230) for being formed with rib (R) and the lock seam forming section (240) for being formed with lock seam (L) are shown, support is solid
Fixed roller portion (231) is set to, and relatively low branch is fixed with the form of arranging repeatedly along direction of principal axis in support fixing axle (231-1)
Convex portion roll (231-2) and relatively low support recess roll (231-3) are supportted, variable pressurization roll portion (232) is in variable pressuring shaft
(232-1) is provided with higher pressurization stationary roll (232-2) in the form of arranging repeatedly along direction of principal axis and dallied with higher pressurization
Roll (232-3), it is described it is higher pressurization stationary roll (232-2) be fixed on pressurization flexible shaft (232-1), and it is described it is higher plus
Pressure idle roll (232-3) is arranged at pressurization flexible shaft (232- in the form of it can be rotated by box bearing (232-4)
2), the relatively low support convex roll (231-2) and higher stationary roll (232-2) of pressurizeing are set to the left and right sides and are separated.
4. helical rib steel pipe manufacture device according to claim 3, it is characterised in that
In the higher pressurization idle roll (232-3), the foreign steamer of box bearing (232-4) is incorporated into the form of being interference fitted
It is formed with roller main body (232-3a) inner edge portion of short bank groove (232-3b) to side, and the box bearing (232-4)
Lubrication groove is incorporated into variable pressuring shaft (232-1) in the form of being interference fitted, and the foreign steamer of the box bearing (232-4) passes through stop
Ring 232-3d is fixed, and the annular groove 232-3c of other sides of the locating snap ring 232-3d with being formed at short bank groove 232-3b is tied
Close, the roller main body (232-3a) is formed as the rib shaping with the narrow width (W ') of the width (W) than roller main body (232-3a)
Pressurization ring portion (232-3e) protrudes from outside along portion, higher fixed roll of pressurizeing in the both sides positioned at the roller main body (232-3a)
Roller (232-2) is respectively formed with roller main body insertion groove (232-3f).
5. helical rib steel pipe manufacture device according to claim 3, it is characterised in that
The rib forming section (230) includes rib forming section at initial stage (230a) and rib mid-term forming section (230b) and rib later stage forming section
(230c), and the lock seam forming section (240) supports the top of stationary roll portion (241) to be provided with volume in lock seam
The variable roll portion (242) of side seam pressurization, lock seam support stationary roll portion (241) supports fixing axle in lock seam
The both side ends of (241-1) are provided with relatively low lock seam forming rolls (241-2), the variable roll portion of lock seam pressurization
(242) both side ends of lock seam flexible shaft (242-1) are provided with higher lock seam forming rolls (242-2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0166294 | 2015-11-26 | ||
| KR1020150166294A KR101654359B1 (en) | 2015-11-26 | 2015-11-26 | Spiral rib steel pipe manufacturing method and apparatus |
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| Publication Number | Publication Date |
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| CN106938284A true CN106938284A (en) | 2017-07-11 |
| CN106938284B CN106938284B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611014824.XA Active CN106938284B (en) | 2015-11-26 | 2016-11-18 | Helical rib manufacture of steel pipe and device |
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| KR (1) | KR101654359B1 (en) |
| CN (1) | CN106938284B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101722693B1 (en) * | 2016-07-29 | 2017-04-06 | 주식회사 픽슨 | Manufacturing apparatus of small caliber ribbed pipe |
| KR101722707B1 (en) * | 2016-08-10 | 2017-04-04 | 주식회사 픽슨 | Manufacturing apparatus of ribbed pipe |
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| JPH01245916A (en) * | 1988-03-25 | 1989-10-02 | Sumitomo Metal Ind Ltd | Manufacture of pipe with spiral rib |
| JPH03121829A (en) * | 1989-10-04 | 1991-05-23 | Nippon Plast Kogyo Kk | Synthetic resin tube and its manufacture |
| CN1393298A (en) * | 2001-06-25 | 2003-01-29 | 欣业企业股份有限公司 | Technology and apparatus for making helix tube formed integrally |
| CN2709046Y (en) * | 2003-12-15 | 2005-07-13 | 蒯一希 | Manufacturing device of winding type compound wall structure tube |
| CN201032004Y (en) * | 2007-01-04 | 2008-03-05 | 陈鸣 | Helical corrugation steel pipe with corrosion protection coating |
| KR100826235B1 (en) * | 2007-05-17 | 2008-04-30 | 주식회사 픽슨 | A corrugated steel pipe and method for manufacturing of it |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100780862B1 (en) | 2006-12-11 | 2007-11-30 | 김지헌 | The manufacturing method of flat steel pipe forming apparatus |
| KR100935531B1 (en) * | 2009-11-03 | 2010-01-06 | 티오켐 주식회사 | Steel ribbed pipe and manufacturing method thereof |
| KR101040483B1 (en) * | 2011-04-20 | 2011-06-09 | 주식회사 보국산업 | Water-storage steel pipes coated corrosion resistance resin and multi purpose water system used thereby |
-
2015
- 2015-11-26 KR KR1020150166294A patent/KR101654359B1/en active IP Right Grant
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- 2016-11-18 CN CN201611014824.XA patent/CN106938284B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01245916A (en) * | 1988-03-25 | 1989-10-02 | Sumitomo Metal Ind Ltd | Manufacture of pipe with spiral rib |
| JPH03121829A (en) * | 1989-10-04 | 1991-05-23 | Nippon Plast Kogyo Kk | Synthetic resin tube and its manufacture |
| CN1393298A (en) * | 2001-06-25 | 2003-01-29 | 欣业企业股份有限公司 | Technology and apparatus for making helix tube formed integrally |
| CN2709046Y (en) * | 2003-12-15 | 2005-07-13 | 蒯一希 | Manufacturing device of winding type compound wall structure tube |
| CN201032004Y (en) * | 2007-01-04 | 2008-03-05 | 陈鸣 | Helical corrugation steel pipe with corrosion protection coating |
| KR100826235B1 (en) * | 2007-05-17 | 2008-04-30 | 주식회사 픽슨 | A corrugated steel pipe and method for manufacturing of it |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101654359B1 (en) | 2016-09-07 |
| CN106938284B (en) | 2018-12-04 |
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