CN103433638A - Band steel welding extrusion device for high frequency welding test bed - Google Patents

Band steel welding extrusion device for high frequency welding test bed Download PDF

Info

Publication number
CN103433638A
CN103433638A CN2013103500279A CN201310350027A CN103433638A CN 103433638 A CN103433638 A CN 103433638A CN 2013103500279 A CN2013103500279 A CN 2013103500279A CN 201310350027 A CN201310350027 A CN 201310350027A CN 103433638 A CN103433638 A CN 103433638A
Authority
CN
China
Prior art keywords
worm
band steel
extruding
pinch
slide block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013103500279A
Other languages
Chinese (zh)
Other versions
CN103433638B (en
Inventor
马丽
高国鸿
张德胜
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.)
Sangao Science & Technology Development Co Ltd Dalian
Original Assignee
Sangao Science & Technology Development Co Ltd Dalian
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 Sangao Science & Technology Development Co Ltd Dalian filed Critical Sangao Science & Technology Development Co Ltd Dalian
Priority to CN201310350027.9A priority Critical patent/CN103433638B/en
Publication of CN103433638A publication Critical patent/CN103433638A/en
Application granted granted Critical
Publication of CN103433638B publication Critical patent/CN103433638B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention belongs to high frequency welding test bed equipment and particularly relates to a band steel welding extrusion device for a high frequency welding test bed, which is suitable for welding with protective gas such as argon gas, nitrogen gas, helium gas and the like. The band steel welding extrusion device is characterized by consisting of brackets, round chutes and an extrusion rotating frame, wherein two concentric round chutes are symmetrically processed in the two opposite lateral surfaces of the two brackets; the extrusion rotating frame which consists of two semi-concentric rotating frame bodies and rotates along the round chutes is arranged in the two round chutes; corresponding to both the sides, the top position and the bottom position of a band steel, the two rotating frame bodies are symmetrically provided with two electric extrusion rolls, two electric pinch rolls and two supporting rolls; the bottoms of the two rotating frame bodies are symmetrically provided with two worm and worm gear transmission mechanisms for synchronously rotating the two rotating frame bodies; symmetrical rotation around the contact hemline of the band steel in the range of 0 to 10 degrees is implemented. The band steel welding extrusion device not only is reasonably designed and has a novel structure, but also has the characteristics of simplicity, practicality, firmness for clamping the band steel, simplicity for operation, convenience for maintenance, safety, reliability, capability of totally meeting the process requirements and the like.

Description

The band steel welding pressurizing unit of ratio-frequency welding testing stand
Technical field
The invention belongs to the ratio-frequency welding test bench installation, particularly be applicable to the single protective gas such as argon gas, nitrogen and helium or become the band steel welding pressurizing unit of a kind of ratio-frequency welding testing stand of Shielding gas by argon, nitrogen and helium mix.
Background technology
As everyone knows, while on production line of high-frequency welded tube, welding welded tube, certain is when adopting different process or new steel grade, need to be on the ratio-frequency welding testing stand, the high-frequency welding of simulated test two band steel protective gas under squeezed state, one of the specification requirement in its when test is: two band steel parallel aligned of its welding enter compression roller, and pinch up and down backing roll unstability flexural deformation when preventing from being with steel welding extruding; Two of its specification requirement, when high frequency extruding welding, two band steel of welding should be able to symmetrical strip winding steel contact hemline rotate 0~10 °; Three of its specification requirement is: must realize the welding of permanent extruding force welding and permanent amount of compression.Therefore, according to the specification requirement of above-mentioned ratio-frequency welding bench run, research and development are applicable to the band steel welding pressurizing unit of a kind of ratio-frequency welding testing stand that the ratio-frequency welding testing stand uses, and are very necessary.
Summary of the invention
The present invention is intended to the above-mentioned specification requirement of using according to the ratio-frequency welding testing stand; Grasping not only scientific and reasonable but also specification requirement simulated test like clockwork sets out; And the band steel that a kind of ratio-frequency welding testing stand is provided welds pressurizing unit; This band steel welding pressurizing unit is not only reasonable in design, novel structure, and have simple and practical, the clamping band steel is firm, simple to operate, easy to maintenance, safe and reliable, meet the characteristics such as technological requirement fully.
The objective of the invention is to adopt following technical scheme to realize: the band steel welding pressurizing unit of described ratio-frequency welding testing stand, it is characterized in that: described band steel welding pressurizing unit is comprised of support, round and smooth groove and extruding swivel mount, symmetrical installing two stands on the indoor basis of ratio-frequency welding testing stand, the concentric round and smooth grooves of symmetrical processing two in relative two sides in two stands, the extruding swivel mount that installing is rotated along round and smooth groove in described two round and smooth grooves; Described extruding swivel mount is comprised of two hemiconcentric rotation support bodys; With two compression rollers of symmetrical installing on processed two rotation support bodys corresponding with steel two side positions; Described each compression roller is connected in the compression roller box by extrusion roll shaft; With fix respectively two by bolt on two compression roller box tops corresponding with the steel top side location and pinch framework, described each pinch framework for the frame body of " mouth " font cross section, pinch the framework end face in this and install and pinch hydraulic jack by bolt, described pinch hydraulic jack stretch out rod end through pinching the framework end face and to pinch slide block hinged; Pinch longitudinally slide assemblies upper and lower slip in pinching framework of slide block by pinching the hydraulic jack driving; Pinch in slide block installing and drive and be bonded in the pinch roll pinched on roll shaft by pinching motor in described; Pinch motor by two and drive two pinch rolls, realize that two pinch rolls are to pinching with steel; The box body that described compression roller box is the uncovered other end sealing of an end, this opening end is towards the band steel, described compression roller box is connected with the extruding slide block by the keyed jointing mode, described extruding slide block inner bottom surface is provided with the chute slided for the compression roller box, realizes that this compression roller box is towards the unidirectional slip with the steel side; Install pressure sensor between described compression roller box blind end and extruding slide block; With on the uncovered end wall of corresponding with the steel basal surface position two extruding slide block by symmetrical two backing rolls that connect of two supporting rollers; Be arranged with the moving assembly of two sideslips between described both sides, extruding slide block bottom and this rotation support body both sides; On this rotation support body, installing drives the extruding slide block to slide along the moving assembly of two sideslips by electronic screw mandrel screw transmission component; Drive the compression roller in the extruding slide block by electronic screw mandrel screw transmission component, realize the extruding with the steel both sides; Drive two Worm and worm-wheel gearings of two rotation support body synchronous rotaries in the symmetrical installing in the bottom of two rotation support body one sides; Between described two Worm and worm-wheel gearings, by adapter sleeve, connect; Drive the synchronous rotary of two hemiconcentric rotation support bodys by two Worm and worm-wheel gearings, realize the rotation of 0~10 ° of symmetrical strip winding steel contact hemline.
Principle of the present invention and characteristics are described below:
The present invention is the specification requirement according to ratio-frequency welding testing stand simulated test, is used for two band steel are pushed to the technical scheme welded together.At first two band steel end part aligning are entered in the device formed by two stands, round and smooth groove and extruding swivel mount, the concentric round and smooth grooves of symmetrical processing two in relative two sides in two stands, in its two round and smooth groove, installing is along the extruding swivel mount of round and smooth groove rotation; Its extruding swivel mount is comprised of two hemiconcentric rotation support bodys; The compression roller electronic with two of symmetrical installings on processed two rotation support bodys corresponding with steel both sides, top, position, the end, two electronic pinch rolls and two backing rolls; Wherein each pinch roll also drives moving up and down of pinch roll by pinching hydraulic jack.Drive two Worm and worm-wheel gearings of two rotation support body synchronous rotaries in the symmetrical installing in the bottom of two rotation support body one sides; Between described two Worm and worm-wheel gearings, by adapter sleeve, connect; Drive the synchronous rotary of two hemiconcentric rotation support bodys by two Worm and worm-wheel gearings, realize the rotation of 0~10 ° of symmetrical strip winding steel contact hemline.Two pinch cylinder pressure and depress and make pinch roll and backing roll clamp two band steel, and both sides extruding motor drives compression roller that two band steel are close to, and now can set amount of compression or extruding force value, then drives the extruding motor straight to reach extruding force or the amount of compression of requirement; Last band steel inclination angle on request, rotate two worm screws, and the two band steel strip winding steel base contacts wire that make to have clamped rotate to the band steel inclination angle of 0~10 ° of requirement.After more than adjusting, just can start welding machine simultaneously and pinch motor, according to the rules welding parameter extruding welding strip.Characteristics of the present invention are the specification requirements that meet the simulated test of ratio-frequency welding testing stand fully, and pinch up and down backing roll unstability flexural deformation when preventing from being with steel welding extruding; When high frequency extruding welding, two band steel can symmetrical strip winding steel contact hemline rotate 0~10 ° simultaneously; Realize permanent extruding force welding and permanent amount of compression welding.
The comprehensive above technical scheme of taking, realize purpose of the present invention.
Therefore, the invention has the beneficial effects as follows: not only reasonable in design, novel structure, and have simple and practical, the clamping band steel is firm, simple to operate, easy to maintenance, safe and reliable, meet the characteristics such as technological requirement fully.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
The present invention has four width accompanying drawings, wherein:
Accompanying drawing 1 is the top view of the specific embodiment of the invention;
Accompanying drawing 2 is along the cutaway view of A-A line in Fig. 1;
Accompanying drawing 3 be in Fig. 1 M to view;
Accompanying drawing 4 is along the amplification view of B-B line in Fig. 2.
In figure: 1, compression roller, 2, backing roll, 3, pinch roll, 4, support, 5, round and smooth groove, 6, worm screw, 7, adapter sleeve, 8, vertical sliding part, 9, pinch roll shaft, 10, pinch cylinder pressure, 11, pinch framework, 12, pinch slide block, 13, pinch motor, 14, the compression roller box, 15, pressure sensor, 16, the extruding slide block, 17, screw, 18, the extruding motor, 19, the rotation support body, 20, screw mandrel, 21, sector gear, 22, gear shaft, 23, worm bearing, 24, worm gear, 25, expansion sleeve, 26, assembly is moved in sideslip, 27, the band steel, 28, counter.
The specific embodiment
Shown in Fig. 1,2,3,4, be specific embodiments of the invention, it is the band steel welding pressurizing unit of installing on the ratio-frequency welding testing stand, its structure is comprised of support 4, round and smooth groove 5 and extruding swivel mount, symmetrical installing two stands 4 on the indoor basis of ratio-frequency welding testing stand, the concentric round and smooth grooves 5 of symmetrical processing two in relative two sides in two stands 4, the extruding swivel mount rotated along round and smooth groove in the interior installing of described two round and smooth grooves 5; Described extruding swivel mount is comprised of two hemiconcentric rotation support bodys 19; With two compression rollers 1 of symmetrical installing on processed two rotation support bodys 19 corresponding with 27 liang of side positions of steel; Described each compression roller 1 is connected in compression roller box 14 by extrusion roll shaft; With fix respectively two by bolt on two compression roller box 14 end faces corresponding with steel 27 top side location and pinch framework 11, described each pinch framework 11 for the frame body of " mouth " font cross section, pinch framework 11 end faces in this and install and pinch hydraulic jack 10 by bolt, described pinch hydraulic jack 10 stretch out rod end through pinching framework 11 end faces and pinching slide block 12, hinged; By pinch hydraulic jack 10 drive pinch slide block 12 longitudinally slide assemblies pinching the interior upper and lower slip of framework 11; Pinch the interior installing of slide block 12 and drive and be bonded in the pinch roll 3 pinched on roll shaft 9 by pinching motor 13 in described; Pinch motor 13 by two and drive two pinch rolls 3, realize 3 pairs of pinching with steel 27 of two pinch rolls; The box body that described compression roller box 14 is the uncovered other end sealing of an end, this opening end is towards band steel 27, described compression roller box 14 is connected with extruding slide block 16 by the keyed jointing mode, described extruding slide block 16 inner bottom surfaces are provided with the chute slided for compression roller box 14, realize that this compression roller box 14 is towards the unidirectional slip with steel 27 sides; Installing pressure sensor 15 between described compression roller box 14 blind ends and extruding slide block 16; With on the uncovered end wall of corresponding with steel 27 basal surface positions two extruding slide block 16 by symmetrical two backing rolls 2 that connect of two supporting rollers; Be arranged with the moving assembly 26 of two sideslips between described extruding slide block 16 both sides, bottom and this rotation support body 19 both sides; On this rotation support body 19, installing drives extruding slide block 16 to slide along the moving assembly 26 of two sideslips by electronic screw mandrel screw transmission component; Drive the compression roller 1 in extruding slide block 16 by electronic screw mandrel screw transmission component, realize the extruding with steel 27 both sides; Drive two Worm and worm-wheel gearings of two rotation support body 19 synchronous rotaries in the symmetrical installing in the bottom of two rotation support body 19 1 sides; Between described two Worm and worm-wheel gearings, by adapter sleeve 7, connect; Drive the synchronous rotary of two hemiconcentric rotation support bodys 19 by two Worm and worm-wheel gearings, realize the rotation of 0~10 ° of symmetrical strip winding steel 27 contact hemline.
On two lateral surfaces of described each rotation support body 19, be arranged with and interior two circular bosses that rotate that coordinate of round and smooth groove 5.
Described compression roller box 14 is respectively by being connected on two medial surfaces that push slide block 16 in 14 liang of outsides of compression roller box with the keyed jointing mode of extruding slide block 16.
Described each electronic screw mandrel screw transmission component is comprised of extruding motor 18, screw mandrel 20 and screw 17, one end of described screw mandrel 20 stretches outside support body through rotation support body 19, make to stretch the outer leading screw axle head of support body and be connected with extruding motor 18, between described rotation support body 19 and screw mandrel 20, install bearing; The other end of this screw mandrel 20 stretches in extruding slide block 16 through screw 17; Described screw 17 is fixed by screws on extruding slide block 16 lateral surfaces.
Described longitudinal sliding motion assembly is comprised of the vertical sliding part 8 of both sides, described, pinch the upright two sides of framework 11 and pinches between slide block 12 two sides the vertical sliding part 8 that is arranged with the both sides that every side is comprised of vertical draw runner and vertical runner.
The moving assembly 26 of described each sideslip is comprised of cross slider and sideslip groove.
Described each Worm and worm-wheel gearing is by sector gear 21, gear shaft 22, worm gear 24, expansion sleeve 25, worm screw 6, worm bearing 23 sum counters 28 form, described rotation support body 19 bottoms are connected by screw sector gear 21, the gear shaft 22 be meshed with this sector gear 21, one end of described gear shaft 22 is connected in the support 4 of a side, the other end of this gear shaft 22 stretches outside frame through the support 4 of opposite side, sequentially connect worm gear 24 and expansion sleeve 25 on gear shaft 22 axle heads that stretch outside frame, described worm gear 24 is meshed with worm screw 6, the two ends of described worm screw 6 are supported and are stretched outside two worm bearings 23 by two worm bearings 23 respectively, described each worm bearing 23 is fixed on support 4 by screw, on the inboard axle head of worm screw 6 stretched outside worm bearing 23, by adapter sleeve 7, with another Worm and worm-wheel gearing, be connected, installing counter 28 on worm screw 6 outside axle heads that stretch outside worm bearing 23, and realize worm screw 6 rotations by manual drives.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; allly be familiar with those skilled in the art in technical scope disclosed by the invention, within being equal to and replacing or change protection scope of the present invention all should be encompassed according to technical scheme of the present invention and design of the present invention thereof.

Claims (7)

1. the band steel of a ratio-frequency welding testing stand welds pressurizing unit, it is characterized in that: described band steel welding pressurizing unit is comprised of support (4), round and smooth groove (5) and extruding swivel mount, symmetrical installing two stands (4) on the indoor basis of ratio-frequency welding testing stand, the concentric round and smooth grooves (5) of symmetrical processing two in relative two sides in two stands (4), in described two round and smooth grooves (5) in, installing is along the extruding swivel mount of round and smooth groove rotation; Described extruding swivel mount is comprised of two hemiconcentric rotation support bodys (19); Upper symmetrical installing two compression rollers (1) of two the rotation support bodys (19) corresponding with processed band steel (27) two side positions; Described each compression roller (1) is connected in compression roller box (14) by extrusion roll shaft; Fix respectively two by bolt on two compression roller boxes (14) end face corresponding with band steel (27) top side location and pinch framework (11), described each pinch framework (11) for the frame body of " mouth " font cross section, pinch framework (11) end face in this and install and pinch hydraulic jack (10) by bolt, described pinch hydraulic jack (10) stretch out rod end through pinching framework (11) end face and to pinch slide block (12) hinged; Pinch longitudinally slide assemblies upper and lower slip in pinching framework (11) of slide block (12) by pinching hydraulic jack (10) driving; Pinch in slide block (12) installing and drive and be bonded in the pinch roll (3) pinched on roll shaft (9) by pinching motor (13) in described; Pinch motor (13) by two and drive two pinch rolls (3), realize two pinch rolls (3) pinching band steel (27); The box body that described compression roller box (14) is the uncovered other end sealing of an end, this opening end is towards band steel (27), described compression roller box (14) is connected with extruding slide block (16) by the keyed jointing mode, described extruding slide block (16) inner bottom surface is provided with the chute slided for compression roller box (14), realizes the unidirectional slip of this compression roller box (14) towards band steel (27) side; Install pressure sensor (15) between described compression roller box (14) blind end and extruding slide block (16); Connect two backing rolls (2) by two supporting rollers symmetries on the uncovered end wall of two extruding slide blocks (16) corresponding with band steel (27) basal surface position; Be arranged with the moving assembly (26) of two sideslips between described extruding slide block (16) both sides, bottom and this rotation support body (19) both sides; In the upper installing of this rotation support body (19), by electronic screw mandrel screw transmission component, drive extruding slide block (16) to slide along the moving assembly (26) of two sideslips; Drive the compression roller (1) in extruding slide block (16) by electronic screw mandrel screw transmission component, realize the extruding to band steel (27) both sides; Drive two Worm and worm-wheel gearings of two rotation support body (19) synchronous rotaries in the symmetrical installing in the bottom of two rotation support body (19) one sides; Between described two Worm and worm-wheel gearings, by adapter sleeve (7), connect; Drive the synchronous rotary of two hemiconcentric rotation support bodys (19) by two Worm and worm-wheel gearings, realize the rotation of 0~10 ° of symmetrical strip winding steel (27) contact hemline.
2. by the band steel welding pressurizing unit of ratio-frequency welding testing stand claimed in claim 1, it is characterized in that: be arranged with on two lateral surfaces of described each rotation support body (19) and coordinate two circular bosses that rotate in round and smooth groove (5).
3. by the band steel welding pressurizing unit of ratio-frequency welding testing stand claimed in claim 1, it is characterized in that: described compression roller box (14) is respectively by being connected on two medial surfaces that push slide block (16) in compression roller box (14) two outsides with the keyed jointing mode of extruding slide block (16).
4. the band steel by ratio-frequency welding testing stand claimed in claim 1 welds pressurizing unit, it is characterized in that: described each electronic screw mandrel screw transmission component is comprised of extruding motor (18), screw mandrel (20) and screw (17), one end of described screw mandrel (20) stretches outside support body through rotation support body (19), make to stretch the outer leading screw axle head of support body and be connected with extruding motor (18), between described rotation support body (19) and screw mandrel (20), install bearing; The other end of this screw mandrel (20) stretches in extruding slide block (16) through screw (17); Described screw (17) is fixed by screws on extruding slide block (16) lateral surface.
5. the band steel by ratio-frequency welding testing stand claimed in claim 1 welds pressurizing unit, it is characterized in that: described longitudinal sliding motion assembly is comprised of the vertical sliding part (8) of both sides, described, pinch the upright two sides of framework (11) and pinches between slide block (12) two sides the vertical sliding part (8) that is arranged with the both sides that every side is comprised of vertical draw runner and vertical runner.
6. by the band steel welding pressurizing unit of ratio-frequency welding testing stand claimed in claim 1, it is characterized in that: the moving assembly (26) of described each sideslip is comprised of cross slider and sideslip groove.
7. the band steel by ratio-frequency welding testing stand claimed in claim 1 welds pressurizing unit, it is characterized in that: described each Worm and worm-wheel gearing is by sector gear (21), gear shaft (22), worm gear (24), expansion sleeve (25), worm screw (6), worm bearing (23) sum counter (28) forms, described rotation support body (19) bottom is connected by screw sector gear (21), the gear shaft (22) be meshed with this sector gear (21), one end of described gear shaft (22) is connected in the support (4) of a side, the other end of this gear shaft (22) stretches outside frame through the support (4) of opposite side, sequentially connect worm gear (24) and expansion sleeve (25) on gear shaft (22) axle head stretched outside frame, described worm gear (24) is meshed with worm screw (6), the two ends of described worm screw (6) are supported and are stretched outside two worm bearings (23) by two worm bearings (23) respectively, described each worm bearing (23) is fixed on support (4) by screw, on the inboard axle head of worm screw (6) stretched outside worm bearing (23), by adapter sleeve (7), with another Worm and worm-wheel gearing, be connected, install counter (28) on worm screw (6) outside axle head stretched outside worm bearing (23), and realize worm screw (6) rotation by manual drives.
CN201310350027.9A 2013-08-12 2013-08-12 The band steel welding pressurizing unit of ratio-frequency welding testing stand Active CN103433638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310350027.9A CN103433638B (en) 2013-08-12 2013-08-12 The band steel welding pressurizing unit of ratio-frequency welding testing stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310350027.9A CN103433638B (en) 2013-08-12 2013-08-12 The band steel welding pressurizing unit of ratio-frequency welding testing stand

Publications (2)

Publication Number Publication Date
CN103433638A true CN103433638A (en) 2013-12-11
CN103433638B CN103433638B (en) 2015-09-09

Family

ID=49687402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310350027.9A Active CN103433638B (en) 2013-08-12 2013-08-12 The band steel welding pressurizing unit of ratio-frequency welding testing stand

Country Status (1)

Country Link
CN (1) CN103433638B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105676900A (en) * 2016-01-14 2016-06-15 大连三高集团有限公司 System for automatically controlling high-frequency welding extrusion device
CN112474869A (en) * 2020-10-31 2021-03-12 济钢集团有限公司 Three-roller extrusion device for welding sharp-angled square steel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2476359Y (en) * 2001-04-18 2002-02-13 林德勤 Strong spring square roller frame
KR20030052133A (en) * 2001-12-20 2003-06-26 주식회사 포스코 Apparatus for changing and fixing the welding wheels of strip seam welding machine
KR100965113B1 (en) * 2009-08-06 2010-06-23 전승환 Flexible-cable machine
CN202539251U (en) * 2012-05-22 2012-11-21 天津市静海县宝来工贸有限公司 Device for locking side rollers of extrusion roller for high-frequency straight-seam welded pipes
CN202570891U (en) * 2012-05-22 2012-12-05 天津市静海县宝来工贸有限公司 Four-roller squeezing roller set for high-frequency longitudinal welded pipe
CN203459815U (en) * 2013-08-12 2014-03-05 大连三高科技发展有限公司 Band steel welding extrusion device for high frequency welding test bed

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2476359Y (en) * 2001-04-18 2002-02-13 林德勤 Strong spring square roller frame
KR20030052133A (en) * 2001-12-20 2003-06-26 주식회사 포스코 Apparatus for changing and fixing the welding wheels of strip seam welding machine
KR100965113B1 (en) * 2009-08-06 2010-06-23 전승환 Flexible-cable machine
CN202539251U (en) * 2012-05-22 2012-11-21 天津市静海县宝来工贸有限公司 Device for locking side rollers of extrusion roller for high-frequency straight-seam welded pipes
CN202570891U (en) * 2012-05-22 2012-12-05 天津市静海县宝来工贸有限公司 Four-roller squeezing roller set for high-frequency longitudinal welded pipe
CN203459815U (en) * 2013-08-12 2014-03-05 大连三高科技发展有限公司 Band steel welding extrusion device for high frequency welding test bed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105676900A (en) * 2016-01-14 2016-06-15 大连三高集团有限公司 System for automatically controlling high-frequency welding extrusion device
CN112474869A (en) * 2020-10-31 2021-03-12 济钢集团有限公司 Three-roller extrusion device for welding sharp-angled square steel
CN112474869B (en) * 2020-10-31 2023-02-28 济钢集团有限公司 Three-roller extrusion device for welding sharp-angle square steel

Also Published As

Publication number Publication date
CN103433638B (en) 2015-09-09

Similar Documents

Publication Publication Date Title
CN106932489A (en) Welding line ultrasonic check device at a kind of pipeline reducing diameter
CN106826153A (en) A kind of instrument and meter production and processing installs equipment with housing
CN106424394A (en) Tube expansion equipment for finned tube
CN103433638A (en) Band steel welding extrusion device for high frequency welding test bed
CN203459815U (en) Band steel welding extrusion device for high frequency welding test bed
CN106424399A (en) Expanding equipment used for fin tube
CN208083092U (en) A kind of pipe manufacturing equipment
CN203565472U (en) Mandrel supporting device for rolling pipe fitting
CN111185532B (en) Edge folding tool for intelligent carbon sliding plate aluminum support convenient to use and use method of edge folding tool
CN114769369B (en) Workbench for detecting shaft workpieces
CN203624644U (en) Unwinding device for base material
CN205023572U (en) Device of rolling up is rewinded to drip irrigation zone
CN102728662B (en) A kind of calibration equipment for steel pipe nozzle
CN204148261U (en) A kind of steel wire drawing machine
CN208840806U (en) Integer type device is used in a kind of production of collector nozzle iron-clad
CN209613851U (en) A kind of sheet-metal formed bending mechanism
CN203459825U (en) Pulling device with V-shaped angle steel belt
CN205120623U (en) Wire rope that X -ray production apparatus detected usefulness receive and releases drive arrangement
CN203526242U (en) Double-rolling strip steel leveler
CN103433656A (en) Pulling device with V-shaped angle steel belt
CN206535888U (en) A kind of planisher for cold rolled strip steel production
CN206215783U (en) A kind of pipe expanding equipment for finned tube
CN204770047U (en) Metal tubular product bender
CN204724648U (en) Annular backing plate processing unit (plant)
CN205763115U (en) A kind of tuber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant