CN115815376A - Roundness correction device and steel pipe production process - Google Patents
Roundness correction device and steel pipe production process Download PDFInfo
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- CN115815376A CN115815376A CN202211588728.1A CN202211588728A CN115815376A CN 115815376 A CN115815376 A CN 115815376A CN 202211588728 A CN202211588728 A CN 202211588728A CN 115815376 A CN115815376 A CN 115815376A
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- 238000012937 correction Methods 0.000 title claims description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
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- 238000010521 absorption reaction Methods 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 18
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- 210000004209 hair Anatomy 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
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- 230000002265 prevention Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 51
- 238000003780 insertion Methods 0.000 description 3
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Abstract
The invention relates to the technical field of steel pipe production, in particular to a circle correcting device which comprises a sleeve, wherein a rotating handle is rotatably connected inside the sleeve, a motor is fixed on the surface of the sleeve and drives the rotating handle to rotate, a mounting handle is slidably connected on the surface of the rotating handle, a lubricating and smearing mechanism is arranged inside the mounting handle, a correcting and rolling mechanism is arranged on the surface of the mounting handle, and a sealing part is arranged at one end of the rotating handle and used for limiting the mounting handle in a falling-off prevention manner; the beneficial effects are that: according to the rounding device and the steel pipe production process, the sleeve is buckled at the pipe orifice of the steel pipe, the motor is started to drive the rotating handle to rotate, in the process, the multiple groups of pressing rollers roll along the inner wall of the steel pipe, the rounding treatment of the pipe orifice of the steel pipe is realized, the rounding efficiency of the pipe orifice of the steel pipe is improved, and the lubricating coating mechanism coats lubricating oil between the pressing rollers and the inner wall of the steel pipe, so that the abrasion between the pressing rollers and the inner wall of the steel pipe is reduced.
Description
Technical Field
The invention relates to the field of steel pipe production, in particular to a circle correcting device and a steel pipe production process.
Background
Steel with a hollow cross-section and a length much greater than the diameter or circumference, steel tubes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels.
In the prior art, the steel pipes are used for manufacturing the building structure net rack, the supporting columns and the mechanical supports, so that the weight can be reduced, the metal can be saved by 20-40 percent, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction can be simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost can be saved; when the pipe steel pipe is used, the pipe orifice is ensured to be regular, so that when two sections of steel pipes are assembled and welded, the problem of low welding firmness caused by large welding gaps due to pipe orifice depression is avoided.
However, the traditional method adopts a rod structure to be inserted into the mouth of the steel pipe and knock from the outer wall of the steel pipe, so that the rounding treatment on the mouth of the steel pipe is realized.
Disclosure of Invention
The invention aims to provide a roundness correcting device and a steel pipe production process, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a roundness correcting device, includes the sleeve, telescopic inside rotates and is connected with the rotation handle, and telescopic fixed surface has the motor, and motor drive rotates the handle and rotates, and the surperficial sliding connection of rotation handle has the installation handle, and the inside of installation handle is provided with the lubrication and paints the mechanism, and the surface of installation handle is provided with rectifies rolling mechanism, and the one end of rotation handle is provided with to seal and keeps off the piece for spacing the installation handle anticreep.
Preferably, a penetrating opening is formed in the surface of the sleeve, a shaft body of the motor penetrates through the penetrating opening and then is fixed to the other end of the rotating handle, a bearing seat is fixedly arranged on the outer side of the rotating handle in a sleeved mode, the bearing seat is fixed to the inner wall of the sleeve, a blocking ring is fixed to the inner wall of the sleeve, and a rubber cushion ring is fixed to the surface of the blocking ring.
Preferably, telescopic one end is fixed with the pull tab, and the pull tab is convex platelike structure, and the one end of pull tab is fixed on the surface of handle ring, and the handle ring is that the section is circular shape loop configuration, and the pull tab is provided with a plurality ofly, and a plurality of pull tabs are arranged along telescopic one end edge and are distributed.
Preferably, the surface of rotation handle is seted up the concatenation groove, and the long limit length in concatenation groove is less than the long limit length of rotation handle, and the concatenation groove is provided with a plurality ofly, and a plurality ofly assemble the groove and arrange the distribution along the arc surface of rotation handle, and spacing guide arm is fixed on the surface in concatenation groove, and spacing guide arm runs through the perforation, perforates and sets up on the surface of installation handle.
Preferably, rubber holding strips are fixed on the side walls of the two parallel distribution grooves, after the mounting handle slides into the assembling grooves, the limiting guide rods penetrate through the through holes, and the rubber holding strips are clamped between the mounting handle and the assembling grooves.
Preferably, lubricated mechanism of paining includes oil storage tank, mounting, oiling mouth, rubber sealing, embedded groove, oil impregnate hole, fat liquoring cotton piece, brush hair, the cotton core of oil absorption, the cotton pad of oil absorption and steel ball, and the oil storage tank is seted up on the surface of installation handle, and the notch department at the oil storage tank is fixed to the mounting, and the oiling mouth is seted up on the surface of mounting, and the rubber sealing is fixed in the oiling mouth, and a plurality of steel balls are contained to the inside dress of oil storage tank.
Preferably, the embedded groove is opened on the surface of installation handle, and the oil seepage hole is opened on the surface of embedded groove, and the oil seepage hole link up oil storage tank and embedded groove, and the inside grafting of oil seepage hole has the cotton core of oil absorption, and the both ends of the cotton core of oil absorption are fixed with cotton piece of fat liquoring and the cotton pad of oil absorption respectively, and the cotton piece of fat liquoring is fixed in the embedded groove, and the cotton piece of fat liquoring keeps away from the surface of embedded groove and is convex curved surface, and the cotton pad of oil absorption is fixed on the surface of the cotton piece of fat liquoring, and the brush hair is equipped with two sets ofly, and two sets of cotton pads of oil absorption are about embedded groove symmetric distribution, and the surface at the embedded groove is all fixed to two sets of brush hairs.
Preferably, rectify rolling mechanism and include mounting groove, connection piece, compression roller and screw, the surface at the installation handle is seted up to the mounting groove, and the connection piece is provided with two sets ofly, and two sets of connection pieces insert the both ends of mounting groove, and the surface spiro union of installation handle has the screw, and the spiro union is on the surface of connection piece behind the screw insertion mounting groove, and the surface of connection piece begins to have the preformed hole, and the compression roller rotates to be connected in the preformed hole on two sets of connection piece surfaces.
Preferably, the constant head tank has been seted up to the one end of rotation handle, the inside activity of constant head tank is pegged graft and is had the location inserted block, the location inserted block is fixed on the surface of baffle, the fixed surface of baffle has a plurality of buckles, the buckle is convex piece, a plurality of buckles are arranged along the disc edge of baffle and are distributed, buckle and connection piece one-to-one, the connection piece is "L" shape circular arc plate structure, the inside activity that the socket was seted up on the surface of connection piece is pegged graft and is had the separation blade, the one end of separation blade is on the surface of elastic rubber area, the elastic rubber area is fixed on the outer anchor ring face of connection piece, after the location inserted block inserted the constant head tank, the separation blade keeps off in one side of baffle.
A steel tube production process comprises the following steps:
the sleeve is buckled at the opening of the steel pipe, the starting motor drives the rotating handle to rotate, and in the process, the multiple groups of compression rollers roll along the inner wall of the steel pipe, so that the rounding treatment of the opening of the steel pipe is realized.
Compared with the prior art, the invention has the beneficial effects that:
according to the rounding device and the steel pipe production process, the sleeve is buckled at the pipe orifice of the steel pipe, the motor is started to drive the rotating handle to rotate, in the process, the multiple groups of pressing rollers roll along the inner wall of the steel pipe, the rounding treatment of the pipe orifice of the steel pipe is realized, the rounding efficiency of the pipe orifice of the steel pipe is improved, and the lubricating coating mechanism coats lubricating oil between the pressing rollers and the inner wall of the steel pipe, so that the abrasion between the pressing rollers and the inner wall of the steel pipe is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the handle ring structure of the present invention;
FIG. 3 is a schematic view of a half section of the structure of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the connection structure of the rotation handle and the installation handle according to the present invention;
FIG. 6 is a schematic view of the structure of the rotating handle of the present invention;
FIG. 7 is a schematic view of a connecting piece structure according to the present invention;
FIG. 8 is a schematic view of the internal structure of the sleeve of the present invention;
FIG. 9 is a schematic view of the structure of the baffle of the present invention.
In the figure: the device comprises a sleeve 1, a bearing seat 2, a rotating handle 3, a through opening 4, a motor 5, a baffle ring 6, a rubber backing ring 7, an assembling groove 8, a limiting guide rod 9, a through hole 10, a mounting handle 11, a rubber clamping strip 12, an oil storage groove 13, a sealing piece 14, an oil injection opening 15, a rubber sealing block 16, a mounting groove 17, a sealing ring, a rubber sealing ring and a rubber sealing ring,
Connecting piece 18, compression roller 19, screw 20, embedded groove 21, oil penetration hole 22 and oiling cotton block
23. The brush hair 24, the oil absorption cotton core 25, the oil absorption cotton pad 26, the steel ball 27, the connecting sheet 28,
The device comprises a socket 29, a baffle 30, an elastic rubber belt 31, a positioning groove 32, a positioning insertion block 33, a baffle 34, a buckle plate 35, a traction sheet 36 and a handle ring 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
Example one
Referring to fig. 1-3, the present invention provides a technical solution: a circle correcting device comprises a sleeve 1, wherein a rotating handle 3 is rotatably connected inside the sleeve 1, a motor 5 is fixed on the surface of the sleeve 1, the motor 5 drives the rotating handle 3 to rotate, a mounting handle 11 is slidably connected to the surface of the rotating handle 3, a lubricating and smearing mechanism is arranged inside the mounting handle 11, a correcting rolling mechanism is arranged on the surface of the mounting handle 11, and a sealing piece is arranged at one end of the rotating handle 3 and used for preventing and limiting the mounting handle 11 from falling off; through detaining sleeve 1 in steel pipe mouth of pipe department, starter motor 5 drives and rotates handle 3 and rotate, and at this in-process, multiunit compression roller 19 rolls along the inner wall of steel pipe, realizes handling the steel pipe mouth of pipe school circle, not only improves the orificial school circle efficiency of steel pipe, and lubricated mechanism of paining between compression roller 19 and steel pipe inner wall lubricating oil, reduces wearing and tearing between the two.
Example two
On the basis of embodiment one, in order to realize the installation to rotation handle 3, wear 4 has been seted up on the surface of sleeve 1, the axis body of motor 5 runs through wear 4 after-fixing at the other end of rotation handle 3, the outside cover of rotation handle 3 is established and is fixed with bearing frame 2, bearing frame 2 is fixed at the inner wall of sleeve 1, the inner wall of sleeve 1 is fixed with fender ring 6, the fixed surface of fender ring 6 has rubber backing ring 7, the one end of sleeve 1 is fixed with pull tab 36, pull tab 36 is convex platelike structure, the surface at handle ring 37 is fixed to the one end of pull tab 36, handle ring 37 is that the section is circular shape cyclic annular structure, and pull tab 36 is provided with a plurality ofly, a plurality of pull tabs 36 arrange the distribution along the one end edge of sleeve 1.
EXAMPLE III
Referring to fig. 5 to 9, on the basis of the second embodiment, in order to mount the mounting handle 11, a plurality of assembling grooves 8 are formed in the surface of the rotating handle 3, the length of the long side of each assembling groove 8 is smaller than that of the long side of the rotating handle 3, the assembling grooves 8 are arranged, the assembling grooves 8 are distributed along the arc surface of the rotating handle 3, a limiting guide rod 9 is fixed on the surface of each assembling groove 8, the limiting guide rod 9 penetrates through a through hole 10, the through holes 10 are formed in the surface of the mounting handle 11, rubber clamping strips 12 are fixed on two side walls of each assembling groove 8, which are distributed in parallel, after the mounting handle 11 slides into the assembling grooves 8, the limiting guide rod 9 penetrates through the through hole 10, and the rubber clamping strips 12 are clamped between the mounting handle 11 and the assembling grooves 8; the locating slot 32 has been seted up to the one end of rotation handle 3, the inside activity of locating slot 32 is pegged graft and is had location inserted block 33, location inserted block 33 is fixed on the surface of baffle 34, the fixed surface of baffle 34 is equipped with a plurality of buckle 35, buckle 35 is circular arc piece, a plurality of buckle 35 are arranged along the disc edge of baffle 34 and are distributed, buckle 35 and connection piece 28 one-to-one, connection piece 28 is "L" shape circular arc plate structure, the inside activity that socket 29 was seted up on the surface of connection piece 28 is pegged graft and is had separation blade 30, the one end of separation blade 30 is on the surface of elastic rubber area 31, elastic rubber area 31 is fixed on the outer anchor ring of connection piece 28, after location inserted block 33 inserted the locating slot 32, separation blade 30 keeps off one side at baffle 34.
Example four
Referring to fig. 4, on the basis of the third embodiment, in order to realize the rounding treatment of the pipe orifice of the steel pipe by the compression roller 19, the lubricating and coating mechanism comprises an oil storage tank 13, a sealing piece 14, an oil filling orifice 15, a rubber sealing block 16, an embedded groove 21, an oil penetration hole 22, an oil coating cotton block 23, bristles 24, an oil absorption cotton core 25, an oil absorption cotton pad 26 and steel balls 27, wherein the oil storage tank 13 is arranged on the surface of the mounting handle 11, the sealing piece 14 is fixed at the notch of the oil storage tank 13, the oil filling orifice 15 is arranged on the surface of the sealing piece 14, the rubber sealing block 16 is fixed in the oil filling orifice 15, and the oil storage tank 13 is internally provided with a plurality of steel balls 27; the embedded groove 21 is arranged on the surface of the mounting handle 11, the oil penetration hole 22 is arranged on the surface of the embedded groove 21, the oil penetration hole 22 penetrates through the oil storage groove 13 and the embedded groove 21, the oil absorption cotton core 25 is inserted into the oil penetration hole 22, two ends of the oil absorption cotton core 25 are respectively fixed with an oil absorption cotton block 23 and an oil absorption cotton pad 26, the oil absorption cotton block 23 is fixed in the embedded groove 21, the surface, far away from the embedded groove 21, of the oil absorption cotton block 23 is an arc-shaped curved surface, the oil absorption cotton pad 26 is fixed on the surface of the oil absorption cotton block 23, the bristles 24 are two groups, the two groups of oil absorption cotton pads 26 are symmetrically distributed about the embedded groove 21, the two groups of bristles 24 are fixed on the surface of the embedded groove 21, the correcting rolling mechanism comprises a mounting groove 17, a connecting piece 18, a compression roller 19 and screws 20, the mounting groove 17 is arranged on the surface of the mounting handle 11, the connecting piece 18 is provided with two groups of connecting pieces, the two groups of connecting pieces 18 are inserted into two ends of the mounting groove 17, the screws 20 are screwed on the surface of the mounting handle 11, the connecting pieces 20 are screwed into the connecting pieces 17, the connecting pieces 18, the connecting pieces have reserved holes, and the connecting pieces 18, and the connecting pieces are rotatably connected in the two groups of the reserved holes on the surface of the compression roller 18.
EXAMPLE five
A steel tube production process comprises the following steps:
the sleeve 1 is buckled at the opening of the steel pipe, the end part of the steel pipe is blocked by the baffle ring 6, the rotating handle 3 is inserted into the steel pipe, the handle ring 37 is held by a hand to hold the sleeve 1, the motor 5 is started to drive the rotating handle 3 to rotate, and in the process, the multiple groups of pressing rollers 19 roll along the inner wall of the steel pipe, so that the rounding treatment of the opening of the steel pipe is realized; the lubricating oil penetrates through the rubber sealing block 16 in advance by means of a needle tube to inject lubricating oil into the oil storage tank 13, the lubricating oil soaks the oil absorption cotton core 25, the oil absorption cotton pad 26 and the oil absorption cotton block 23, in the rotating process of the rotating handle 3, the steel balls 27 in the oil storage tank 13 extrude the oil absorption cotton pad 26 under the centrifugal action to enable the lubricating oil to be coated on the surface of the compression roller 19, so that the lubricating oil is coated on the inner wall of the compression roller 19 and the inner wall of the steel pipe, the abrasion of the steel pipe and the compression roller 19 is reduced, when the brush hair 24 sweeps away debris on the surface of the compression roller 19 and the compression roller 19 is required to be disassembled and replaced, four fingers simultaneously expand four blocking pieces 30, the blocking pieces 30 support the tensioning elastic rubber belt 31, the blocking pieces 30 do not block the blocking pieces 34, the pulling blocking pieces 34 drive the positioning insertion blocks 33 to be extracted from the positioning grooves 32, then the mounting handle 11 is extracted from the assembling groove 8, the loose screws 20 are not connected with the connecting pieces 18, and the compression roller 19 can be extracted and replaced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A roundness correction device comprises a sleeve (1), and is characterized in that: the anti-dropping device is characterized in that a rotating handle (3) is rotatably connected inside the sleeve (1), a motor (5) is fixed on the surface of the sleeve (1), the motor (5) drives the rotating handle (3) to rotate, a mounting handle (11) is slidably connected to the surface of the rotating handle (3), a lubricating and smearing mechanism is arranged inside the mounting handle (11), a correcting rolling mechanism is arranged on the surface of the mounting handle (11), and a blocking piece is arranged at one end of the rotating handle (3) and used for preventing the mounting handle (11) from dropping and limiting.
2. A roundness correction device according to claim 1, wherein: the utility model discloses a bearing support of sleeve (1) is characterized in that the surface of sleeve (1) has been seted up and has been worn mouthful (4), and the axis body of motor (5) runs through and wears mouthful (4) after-fixing at the other end of rotating handle (3), and the outside cover of rotating handle (3) is established and is fixed with bearing frame (2), and the inner wall at sleeve (1) is fixed in bearing frame (2), and the inner wall of sleeve (1) is fixed with fender ring (6), and the fixed surface that keeps off ring (6) has rubber backing ring (7).
3. A roundness correction apparatus according to claim 1, wherein: the handle is characterized in that a traction sheet (36) is fixed at one end of the sleeve (1), the traction sheet (36) is of a circular arc plate-shaped structure, one end of the traction sheet (36) is fixed on the surface of a handle ring (37), the handle ring (37) is of a ring-shaped structure with a circular cross section, the traction sheets (36) are arranged in a plurality, and the traction sheets (36) are distributed along the edge of one end of the sleeve (1).
4. A roundness correction device according to claim 1, wherein: the utility model discloses a rotation handle, including rotation handle (3), rotation handle (3) and perforation (10), the concatenation groove (8) is seted up on the surface of rotation handle (3), and the long limit length of splicing groove (8) is less than the long limit length of rotation handle (3), and it is provided with a plurality ofly to splice groove (8), and a plurality of concatenation grooves (8) are arranged along the arc surface that rotates handle (3) and are distributed, and spacing guide arm (9) are fixed on the surface of splicing groove (8), and spacing guide arm (9) run through perforation (10), and the surface in installation handle (11) is seted up in perforation (10).
5. A roundness correction device according to claim 4, wherein: all be fixed with rubber holding strip (12) on the lateral wall of two parallel distributions in concatenation groove (8), installation handle (11) slip in concatenation groove (8) back, and perforation (10) are run through in spacing guide arm (9), and rubber holding strip (12) centre gripping is in installation handle (11) and assemble between groove (8).
6. A roundness correction apparatus according to claim 1, wherein: lubricated mechanism of paining includes oil storage tank (13), mounting plate (14), oiling mouth (15), rubber sealing (16), embedded groove (21), oil impregnate hole (22), fat liquoring cotton piece (23), brush hair (24), oil absorption cotton core (25), oil absorption cotton pad (26) and steel ball (27), the surface at installation handle (11) is seted up in oil storage tank (13), notch department at oil storage tank (13) is fixed in mounting plate (14), the surface at mounting plate (14) is seted up in oiling mouth (15), rubber sealing (16) are fixed in oiling mouth (15), and the inside dress of oil storage tank (13) contains a plurality of steel balls (27).
7. A roundness correction device according to claim 6, wherein: the embedded groove (21) is arranged on the surface of the installation handle (11), the oil penetration hole (22) is arranged on the surface of the embedded groove (21), the oil penetration hole (22) penetrates through the oil storage groove (13) and the embedded groove (21), an oil absorption cotton core (25) is inserted into the oil penetration hole (22), two ends of the oil absorption cotton core (25) are respectively fixed with an oil absorption cotton block (23) and an oil absorption cotton pad (26), the oil absorption cotton block (23) is fixed in the embedded groove (21), the surface of the oil absorption cotton block (23) far away from the embedded groove (21) is a circular arc-shaped curved surface, the oil absorption cotton pad (26) is fixed on the surface of the oil absorption cotton block (23), two groups of bristles (24) are arranged, the two groups of oil absorption cotton pads (26) are symmetrically distributed relative to the embedded groove (21), and the two groups of bristles (24) are fixed on the surface of the embedded groove (21).
8. A roundness correction apparatus according to claim 1, wherein: rectify rolling mechanism and include mounting groove (17), connection piece (18), compression roller (19) and screw (20), the surface in installation handle (11) is seted up in mounting groove (17), connection piece (18) are provided with two sets ofly, two sets of connection piece (18) insert the both ends of mounting groove (17), and the surface spiro union of installation handle (11) has screw (20), screw (20) insert the surface of spiro union at connection piece (18) behind mounting groove (17), the surface of connection piece (18) begins to have the preformed hole, compression roller (19) rotate to be connected in the preformed hole on two sets of connection piece (18) surfaces.
9. A roundness correction apparatus according to claim 1, wherein: locating slot (32) have been seted up to the one end of rotation handle (3), the inside activity of locating slot (32) is pegged graft and is had location inserted block (33), location inserted block (33) are fixed on the surface of baffle (34), the fixed surface of baffle (34) is equipped with a plurality of buckle (35), buckle (35) are convex piece, a plurality of buckle (35) are arranged along the disc edge of baffle (34) and are distributed, buckle (35) and connection piece (28) one-to-one, connection piece (28) are "L" shape circular arc plate structure, the inside activity that socket (29) were seted up on the surface of connection piece (28) is pegged graft and is had separation blade (30), the one end of separation blade (30) is on the surface of elastic rubber area (31), elastic rubber area (31) are fixed on the outer ring face of connection piece (28), location inserted behind locating slot (32) inserted block (33), separation blade (30) keep off one side at baffle (34).
10. A steel pipe production process is characterized by comprising the following steps:
the sleeve is buckled at the opening of the steel pipe, the starting motor drives the rotating handle to rotate, and in the process, the multiple groups of compression rollers roll along the inner wall of the steel pipe, so that the rounding treatment of the opening of the steel pipe is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588728.1A CN115815376A (en) | 2022-12-09 | 2022-12-09 | Roundness correction device and steel pipe production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588728.1A CN115815376A (en) | 2022-12-09 | 2022-12-09 | Roundness correction device and steel pipe production process |
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| CN115815376A true CN115815376A (en) | 2023-03-21 |
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| CN202211588728.1A Pending CN115815376A (en) | 2022-12-09 | 2022-12-09 | Roundness correction device and steel pipe production process |
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| CN215236927U (en) * | 2021-03-22 | 2021-12-21 | 新兴铸管股份有限公司 | Rounding device for spigot end of cast iron pipe |
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2022
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Application publication date: 20230321 |