CN212494639U - Inclined roll straightener with detection mechanism - Google Patents

Inclined roll straightener with detection mechanism Download PDF

Info

Publication number
CN212494639U
CN212494639U CN202021078358.3U CN202021078358U CN212494639U CN 212494639 U CN212494639 U CN 212494639U CN 202021078358 U CN202021078358 U CN 202021078358U CN 212494639 U CN212494639 U CN 212494639U
Authority
CN
China
Prior art keywords
straightening
straightener
roll
pipe
detection
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.)
Active
Application number
CN202021078358.3U
Other languages
Chinese (zh)
Inventor
任增甲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Jinnuo Steel Pipe Co ltd
Original Assignee
Tianjin Jinnuo Steel Pipe Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Jinnuo Steel Pipe Co ltd filed Critical Tianjin Jinnuo Steel Pipe Co ltd
Priority to CN202021078358.3U priority Critical patent/CN212494639U/en
Application granted granted Critical
Publication of CN212494639U publication Critical patent/CN212494639U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Wire Processing (AREA)

Abstract

The utility model discloses an oblique roller straightener with detection mechanism, including the aligning frame, aligning frame upper portion rotates and is connected with six upper straightening rollers, aligning frame lower part rotates and is connected with three lower straightening roller, the equal fixedly connected with of upper straightening roller and lower straightening roller side is used for driving upper straightening roller and lower straightening roller pivoted interlock bull stick, aligning frame lower part rotates and is connected with the detection revolving rack, it is connected with the pipe to support in three to detect revolving rack upper portion rotation, support the position of pipe on detecting the revolving rack respectively with three lower straightening roller and correspond in three, support pipe upper portion sliding connection in interior and have the vertical slide bar. The utility model discloses make spacing ratch keep with the laminating state of lower leveling roller through compression spring's promotion, the leveling roller rotates to the wearing and tearing depressed part under, and spacing ratch moves down the back and shifts up by the restriction of one-way limit shift mechanism screens, and the rotation of leveling roller under the influence to the staff of being convenient for discovers the wearing and tearing situation of leveling roller.

Description

Inclined roll straightener with detection mechanism
Technical Field
The utility model relates to a steel pipe production technical field especially relates to an oblique roller straightener with detection mechanism.
Background
The cross roll straightening machine is specially used for a straightening machine of round section steel. The straightening roller is obliquely intersected with the round material, the round material rotates and advances when the roller rotates, and the bending track of the roller to the round material is in a spiral line shape, so that the straightening machine is capable of straightening in all directions. The number of rollers is two major categories, namely two cross roll straightening machines and multi cross roll straightening machines. The multi-skew roller is commonly provided with a six-roller straightener, a seven-roller straightener and a ten-roller straightener. The cross roll straightening machine is used for straightening pipes and round bars, so that each section of a rolled piece is subjected to elastic-plastic bending for many times in the rotating advancing process, and finally, the bending in each direction and the ovality of the section are eliminated. Skew roll straightening is the most effective way to straighten rolled stock of round cross-section, so skew roll straightening machines are widely used in rolling, drawing, welded pipe and other workshops.
Patent publication No. CN205763076U discloses a cross roll straightener, which comprises a hydraulic cylinder and a piston arranged on one side of the hydraulic cylinder, wherein the top end of the piston is connected with a brake head; the lifter is arranged at the top end of the brake head, and the outer side of the lifter is connected with the upper roll shaft regulating valve; the bottom end of the upper roll shaft regulating valve is connected with an upper roll shaft; a rotary chassis is arranged at the top end of the hydraulic cylinder, and the outer side of the rotary chassis is connected with a lower roll shaft; the bottom end of the lower roller shaft is connected with a lower roller shaft regulating valve; a speed controller is arranged on the outer side of the hydraulic cylinder; a base is arranged at the bottom end of the hydraulic cylinder; the lower roll of the cross roll straightener has staggered axes and special roll shapes, can be used for deformation correction such as spiral bending, twist shape, irregular circle and the like, has adjustable angle between an upper roll shaft and a lower roll shaft, is suitable for various straightening working conditions, can also be used as a parallel roll straightener, has adjustable distance between the upper roll shaft and the lower roll shaft, can be used for straightening large-scale objects, adopts the multi-roll shaft to work, and improves the working efficiency.
Among the above-mentioned technical scheme, can realize the straightening processing to tubular product, but the back is used for a long time to the cross roll straightener, and the flattening roller is more with tubular product extrusion collision, makes the outside wearing and tearing of flattening roller appear, and the staff is difficult for noticing the wearing and tearing of flattening roller during the maintenance, and continues to use the straightener to straighten the steel pipe, and the flattening roller after appearing wearing and tearing is when the steel pipe is straightened, easily causes the irregular bending of tubular product, influences the quality after the steel pipe is straightened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cross roll straightener with detection mechanism can detect the wearing and tearing situation of straightening roller, and the staff of being convenient for in time discovers the wearing and tearing condition of straightening roller when the maintenance to change the straightening roller in the cross roll straightener, keep the straightening treatment effect of cross roll straightener to the steel pipe.
The utility model discloses a can realize through following technical scheme:
a cross roll straightener with a detection mechanism comprises a straightening rack, wherein the upper part of the straightening rack is rotatably connected with six upper straightening rollers, the lower part of the straightening rack is rotatably connected with three lower straightening rollers, the side edges of the upper straightening rollers and the lower straightening rollers are fixedly connected with a linkage rotating rod for driving the upper straightening rollers and the lower straightening rollers to rotate, the lower part of the straightening rack is rotatably connected with a detection rotating frame, the upper part of the detection rotating frame is rotatably connected with three inner supporting tubes, the positions of the three inner supporting tubes on the detection rotating frame respectively correspond to the three lower straightening rollers, the upper part of the inner supporting tubes is slidably connected with a longitudinal moving slide rod, the lower end of the longitudinal moving slide rod is fixedly connected with a limit toothed bar, the lower end of the limit toothed bar abuts against the surface of the lower straightening rollers in a detection state, the upper end of the limit toothed bar is connected with a compression spring, and the upper end of the compression spring abuts against the inner wall of the inner supporting tubes, and the side edge of the limiting toothed bar is provided with a one-way limiting mechanism for performing one-way limiting on the upward movement of the limiting toothed bar.
By adopting the technical scheme, the limiting toothed bar is kept in a fit state with the lower straightening roller through the pushing of the compression spring, the lower straightening roller rotates to the surface abrasion concave part, the limiting toothed bar moves upwards under the limiting of the clamping position of the one-way limiting mechanism after moving downwards, the rotation of the lower straightening roller is influenced, and therefore workers can find the abrasion condition of the straightening roller conveniently.
Further setting the following steps: the one-way limiting mechanism comprises a positioning rotating pile and an inclined top clamping rod, the positioning rotating pile is fixedly connected with the inner wall of the inner supporting rotating pipe, the middle of the inclined top clamping rod is rotatably connected with the positioning rotating pile, and the lower end of the inclined top clamping rod is meshed with the limiting toothed rod.
Through adopting above-mentioned technical scheme, realize the meshing effect with spacing ratch when making oblique top kelly rotate, when spacing ratch downstream, the spacing ratch side of oblique top kelly laminating slides, and spacing ratch rebound, the intertooth space of oblique top kelly lower extreme butt in spacing ratch restricts shifting up of spacing ratch to accomplish the one-way spacing to spacing ratch.
Further setting the following steps: the inclined top clamping rod is fixedly connected with a clamping spring at the upper part, and one end of the clamping spring, which is far away from the inclined top clamping rod, is fixedly connected with the inner wall of the inner supporting rotating pipe.
Through adopting above-mentioned technical scheme, at oblique top kelly upper portion fixed connection's screens spring, make screens spring pulling oblique top kelly upper portion to rotating to being close to interior offset pipe inner wall one side, and then make oblique top kelly lower part to rotating to being close to spacing ratch one side, keep with the laminating state of spacing ratch.
Further setting the following steps: the side edge of the inner rotation supporting pipe is provided with a transverse sliding hole, the transverse sliding hole is located between the clamping spring and the positioning rotation pile, a reset push rod is inserted into the transverse sliding hole, and the reset push rod penetrates through the transverse sliding hole and is in sliding connection with the inner rotation supporting pipe.
Through adopting above-mentioned technical scheme, the push rod that resets that sets up between screens spring and location commentaries on classics stake promotes the push rod that resets, makes oblique ejector pin upper end to keeping away from interior commentaries on classics pipe inner wall one side and remove to make oblique ejector pin lower part and spacing ratch separation, make spacing ratch can upwards move to the normal position.
Further setting the following steps: two clamping through holes used for locking the rotation state of the detection rotating frame are respectively formed in the two ends of the detection rotating frame, a spring clamping pin is fixedly connected to one end, close to the detection rotating frame, of the side wall of the straightening rack, and the spring clamping pin is matched with the clamping through holes.
Through adopting above-mentioned technical scheme, detecting the spring bayonet lock that the revolving rack side set up, being convenient for make the spring bayonet lock cooperate with the screens through-hole that detects on the revolving rack to fix the state after detecting the revolving rack rotation, make and detect the revolving rack and keep upright state, be convenient for detect the interior revolving pipe that supports on the revolving rack and detect the wearing and tearing situation of straightening roller down.
Further setting the following steps: three adjusting rotating holes are formed in the upper portion of the detecting rotating frame, reference nuts are fixedly connected into the adjusting rotating holes, and the reference nuts are in threaded connection with the inner abutting rotating pipes.
Through adopting above-mentioned technical scheme, the benchmark nut that sets up on detecting the revolving rack supports the position of revolving pipe on detecting the revolving rack in being convenient for adjust to the spacing ratch that supports in the revolving pipe in making keeps with the laminating state of lower straightening roller surface.
Further setting the following steps: the lower side of the inner rotary supporting pipe is provided with a universal caster which is rotatably connected with the lower end of the limiting toothed bar.
Through adopting above-mentioned technical scheme, including the universal castor that butts the setting of rotating tube downside, be convenient for make universal castor lower extreme and lower leveling roller surface laminating slip to reduce the friction when spacing ratch and lower leveling roller butt.
To sum up, the utility model discloses a beneficial technological effect does:
the utility model discloses an one-way limit of setting up at spacing ratch side moves the mechanism, moves down in wearing and tearing department when making spacing ratch and lower straightener roll surface laminating to the shifting up of restriction spacing ratch makes the rotation of straightener roll under the spacing ratch restriction after the location, thereby detects the wearing and tearing deformation that appears on the straightener roll down, and the staff of being convenient for discovers and changes the straightener roll of damage, keeps the aligning effect of straightener.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half-sectional view of the inner rotary pipe portion of the present invention;
figure 3 is a side view of the inner transition pipe portion of the present invention.
Reference numerals: 1. straightening the frame; 2. an upper straightening roll; 3. a lower straightening roll; 4. a rotating rod is linked; 5. detecting the rotating frame; 6. an inner rotary supporting pipe; 7. longitudinally moving the slide bar; 8. a limit toothed bar; 9. a one-way movement limiting mechanism; 10. positioning a rotating pile; 11. a clamping rod is obliquely pushed; 12. a compression spring; 13. a clamping spring; 14. resetting the push rod; 15. a reference nut; 16. a universal caster; 17. and a side top sliding rail.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.
Referring to fig. 1, for the utility model discloses a cross roll straightener with detection mechanism, including straightening frame 1, straightening frame 1 upper portion is rotated and is connected with six upper straightening rollers 2, and straightening frame 1 lower part is rotated and is connected with three lower straightening roller 3, and the equal fixedly connected with in upper straightening roller 2 and the 3 side of lower straightening roller are used for driving upper straightening roller 2 and lower straightening roller 3 pivoted interlock bull stick 4, and straightening frame 1 lower part is rotated and is connected with and detects revolving rack 5, and it is connected with three interior revolving tube 6 to detect 5 upper portions of revolving rack to rotate, and the position of revolving tube 6 on detecting revolving rack 5 corresponds with three lower straightening roller 3 respectively in the three.
Referring to fig. 2, the upper portion of the inner rotary tube 6 is slidably connected with a longitudinal sliding rod 7, the lower end of the longitudinal sliding rod 7 is fixedly connected with a limit toothed bar 8, the lower end of the limit toothed bar 8 abuts against the surface of the lower straightening roller 3 in a detection state, the upper end of the limit toothed bar 8 is connected with a compression spring 12, the upper end of the compression spring 12 abuts against the inner wall of the inner rotary tube 6, and a one-way limiting mechanism 9 for one-way limiting the upward movement of the limit toothed bar 8 is arranged on the side edge of the limit toothed bar 8.
Referring to fig. 2, the unidirectional movement limiting mechanism 9 includes a positioning rotation pile 10 and an inclined top clamping rod 11, the positioning rotation pile 10 is fixedly connected with the inner wall of the inner rotation resisting pipe 6, the middle portion of the inclined top clamping rod 11 is rotatably connected with the positioning rotation pile 10, the lower end of the inclined top clamping rod 11 is meshed with the limiting toothed rod 8, so that the inclined top clamping rod 11 is meshed with the limiting toothed rod 8 when rotating, when the limiting toothed rod 8 moves downwards, the inclined top clamping rod 11 is attached to the side of the limiting toothed rod 8 to slide, the limiting toothed rod 8 moves upwards, the lower end of the inclined top clamping rod 11 abuts against the teeth of the limiting toothed rod 8, the limiting toothed rod 8 is limited from moving upwards, and therefore unidirectional movement of the limiting toothed rod 8 is completed.
Referring to fig. 2, a position-retaining spring 13 is fixedly connected to the upper portion of the slanted ejecting rod 11, one end of the position-retaining spring 13, which is far away from the slanted ejecting rod 11, is fixedly connected to the inner wall of the inner rotating tube 6, and the position-retaining spring 13, which is fixedly connected to the upper portion of the slanted ejecting rod 11, causes the position-retaining spring 13 to pull the upper portion of the slanted ejecting rod 11 to rotate toward the side close to the inner wall of the inner rotating tube 6, and further causes the lower portion of the slanted ejecting rod 11 to rotate toward the side close to the limit toothed rod 8, thereby maintaining the state of being attached to the limit toothed.
The side of the inner rotary supporting pipe 6 is provided with a transverse sliding hole, the transverse sliding hole is positioned between the clamping spring 13 and the positioning rotary pile 10, a reset push rod 14 is inserted in the transverse sliding hole, the reset push rod 14 penetrates through the transverse sliding hole and is in sliding connection with the inner rotary supporting pipe 6, the reset push rod 14 arranged between the clamping spring 13 and the positioning rotary pile 10 pushes the reset push rod 14, the upper end of the oblique top clamping rod 11 moves to one side of the inner wall of the inner rotary supporting pipe 6 away from the upper end, the lower part of the oblique top clamping rod 11 is separated from the limiting toothed rod 8, and the limiting toothed rod 8 can move upwards to the original position.
Referring to fig. 1, two clamping through holes for locking the rotation state of the detection rotating frame 5 are respectively formed at two ends of the detection rotating frame 5, a spring bayonet lock is fixedly connected to one end of the side wall of the straightening frame 1 close to the detection rotating frame 5 and is matched with the clamping through holes, the spring bayonet lock arranged at the side edge of the detection rotating frame 5 is convenient to match the spring bayonet lock with the clamping through holes on the detection rotating frame 5, so that the rotation state of the detection rotating frame 5 is fixed, the detection rotating frame 5 is kept in an upright state, and the abrasion condition of the lower straightening roller 3 by the inner support rotating pipe 6 on the detection rotating frame 5 is convenient to detect.
Referring to fig. 3, three adjusting rotating holes are formed in the upper portion of the detecting rotating frame 5, a reference nut 15 is fixedly connected in each adjusting rotating hole, the reference nut 15 is in threaded connection with the inner rotating resisting pipe 6, and the reference nut 15 arranged on the detecting rotating frame 5 facilitates adjustment of the position of the inner rotating resisting pipe 6 on the detecting rotating frame 5, so that the limiting toothed bar 8 in the inner rotating resisting pipe 6 is kept in a fit state with the outer surface of the lower straightening roller 3.
Referring to fig. 3, the lower side of the inner rotating abutting pipe 6 is provided with a universal caster 16, the universal caster 16 is rotatably connected with the lower end of the limiting toothed bar 8, and the universal caster 16 arranged on the lower side of the inner rotating abutting pipe 6 facilitates the lower end of the universal caster 16 to be attached to and slide on the outer surface of the lower straightening roller 3, so that friction between the limiting toothed bar 8 and the lower straightening roller 3 is reduced.
The utility model discloses a theory of operation and beneficial effect do:
when the worn lower straightening roll 3 needs to be detected, the detection rotating frame 5 in the straightening rack 1 is rotated to enable the detection rotating frame 5 to be in an upright state, the inner supporting rotating pipe 6 on the detection rotating frame 5 is rotated to enable the lower end of the limiting toothed bar 8 in the inner supporting rotating pipe 6 to be attached to the surface of the lower straightening roll 3, the linkage rotating rod 4 on the side edge of the lower straightening roll 3 is rotated to enable the linkage rotating rod 4 to drive the lower straightening roll 3 to rotate, when the wear dent on the lower straightening roll 3 rotates to the upper side, the limiting toothed bar 8 moves downwards under the pushing of the compression spring 12 to be attached to the lower end of the inclined top clamping rod 11 to slide, the limiting toothed bar 8 moves downwards and then is limited to move upwards by the one-way limiting mechanism 9, under the limitation of the limiting toothed bar 8 which cannot move upwards after moving downwards, the wear dent of the lower straightening roll 3 is kept at the upper side to influence the rotation of the lower straightening roll 3, so that workers can find the wear condition of the straightening roll, the lower straightening roll 3 is repaired or replaced as required to maintain the straightening effect of the straightening machine.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a skewed roll straightener with detection mechanism, includes straightening frame (1), straightening frame (1) upper portion rotates and is connected with six last straightener rolls (2), straightening frame (1) lower part rotates and is connected with three lower straightener roll (3), go up straightener roll (2) and lower straightener roll (3) equal fixedly connected with in side be used for driving upper straightener roll (2) and lower straightener roll (3) pivoted interlock bull stick (4), its characterized in that: the lower part of the straightening frame (1) is rotatably connected with a detection rotating frame (5), the upper part of the detection rotating frame (5) is rotatably connected with three inner supporting and rotating pipes (6), the positions of the three inner supporting and rotating pipes (6) on the detection rotating frame (5) respectively correspond to the three lower straightening rollers (3), the upper part of the inner resisting and rotating pipe (6) is connected with a longitudinal moving slide bar (7) in a sliding way, the lower end of the longitudinal moving slide bar (7) is fixedly connected with a limit toothed bar (8), the lower end of the limit toothed bar (8) is abutted against the surface of the lower straightening roll (3) in a detection state, the upper end of the limit toothed bar (8) is connected with a compression spring (12), the upper end of the compression spring (12) is abutted with the inner wall of the inner abutting pipe (6), and the side edge of the limiting toothed bar (8) is provided with a one-way limiting mechanism (9) for performing one-way limiting on the upward movement of the limiting toothed bar (8).
2. The cross roll straightener with detection mechanism as claimed in claim 1, characterized in that: one-way limit shift mechanism (9) are including location commentaries on classics stake (10) and oblique top kelly (11), location commentaries on classics stake (10) and interior commentaries on classics pipe (6) inner wall fixed connection that supports, oblique top kelly (11) middle part is rotated with location commentaries on classics stake (10) and is connected, top kelly (11) lower extreme meshes with spacing ratch (8) mutually to one side.
3. The cross roll straightener with detection mechanism as claimed in claim 2, characterized in that: the inclined top clamping rod (11) is fixedly connected with a clamping spring (13) at the upper part, and one end of the clamping spring (13) far away from the inclined top clamping rod (11) is fixedly connected with the inner wall of the inner supporting rotating pipe (6).
4. The cross roll straightener with detection mechanism as claimed in claim 3, characterized in that: the side edge of the inner rotation resisting pipe (6) is provided with a transverse sliding hole, the transverse sliding hole is located between the clamping spring (13) and the positioning rotation pile (10), a reset push rod (14) is inserted into the transverse sliding hole, and the reset push rod (14) penetrates through the transverse sliding hole and is in sliding connection with the inner rotation resisting pipe (6).
5. The cross roll straightener with detection mechanism as claimed in claim 1, characterized in that: two clamping through holes used for locking the rotation state of the detection rotating frame (5) are respectively formed in two ends of the detection rotating frame (5), a spring clamping pin is fixedly connected to one end, close to the detection rotating frame (5), of the side wall of the straightening rack (1), and the spring clamping pin is matched with the clamping through holes.
6. The cross roll straightener with detection mechanism as claimed in claim 1, characterized in that: three adjusting rotating holes are formed in the upper portion of the detecting rotating frame (5), reference nuts (15) are fixedly connected into the adjusting rotating holes, and the reference nuts (15) are in threaded connection with the inner abutting rotating pipes (6).
7. The cross roll straightener with detection mechanism as claimed in claim 1, characterized in that: the lower side of the inner rotary supporting pipe (6) is provided with a universal caster (16), and the universal caster (16) is rotatably connected with the lower end of the limiting toothed bar (8).
CN202021078358.3U 2020-06-11 2020-06-11 Inclined roll straightener with detection mechanism Active CN212494639U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021078358.3U CN212494639U (en) 2020-06-11 2020-06-11 Inclined roll straightener with detection mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021078358.3U CN212494639U (en) 2020-06-11 2020-06-11 Inclined roll straightener with detection mechanism

Publications (1)

Publication Number Publication Date
CN212494639U true CN212494639U (en) 2021-02-09

Family

ID=74395979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021078358.3U Active CN212494639U (en) 2020-06-11 2020-06-11 Inclined roll straightener with detection mechanism

Country Status (1)

Country Link
CN (1) CN212494639U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115194400A (en) * 2022-07-15 2022-10-18 南阳中联水泥有限公司 Roller surface repairing device of cement grinding roller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115194400A (en) * 2022-07-15 2022-10-18 南阳中联水泥有限公司 Roller surface repairing device of cement grinding roller
CN115194400B (en) * 2022-07-15 2024-03-12 南阳中联水泥有限公司 Roll surface repairing device of cement grinding roll

Similar Documents

Publication Publication Date Title
CN106378400B (en) A kind of building iron cutting device
CN210253662U (en) Stainless steel tubular product multi-roll straightening equipment
CN212494639U (en) Inclined roll straightener with detection mechanism
JP4894188B2 (en) U-shaped steel sheet pile roller straightening method and apparatus
US8091397B1 (en) Compact roll grooving apparatus with adjustable mounting and extended backup roller shaft
CN209597917U (en) Pipe straightener structure
KR100806819B1 (en) A flange proceeing machine of a cylindrical structure and the using method thereof
CN205128608U (en) Bend radius adjustable high frequency welded pipe shaping roll device
CN205165661U (en) Economize on electricity reinforcing bar is flare -outed, stretcher
CN105834222B (en) The roll stand frame reciprocating drive unit of high-speed cold Pilger mill
CN209077959U (en) A kind of gear shaft fixing device
CN108435833A (en) A kind of Stainless Steel Coil straightener
CN210876918U (en) Online forming auxiliary device for square tubes
RU206957U1 (en) Pipe bender
CN204602922U (en) Taper pipe veneer reeling machine
CN204842573U (en) Cross roll straightener's steady work or material rest
CN219233569U (en) Online straightening roller for hot rolled pipe
RU206928U1 (en) Pipe bender
CN216828009U (en) Online straightener of accurate seamless steel pipe of cold drawing
CN113351666B (en) Be used for stainless steel pipe cold drawing doffer
CN215965632U (en) Pre-straightening machine
RU146501U1 (en) MILL FOR PROFILING A ROUND PIPE IN A HEXAGONAL PIPE
RU208510U1 (en) Pipe bender
CN219464413U (en) Coiled plate forming device for steel structure production
CN211803176U (en) Linear straightening machine for strong-toughness profile steel

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant