CN2799153Y - Welded tube welding seam-trimming equipment - Google Patents
Welded tube welding seam-trimming equipment Download PDFInfo
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- CN2799153Y CN2799153Y CN 200520054049 CN200520054049U CN2799153Y CN 2799153 Y CN2799153 Y CN 2799153Y CN 200520054049 CN200520054049 CN 200520054049 CN 200520054049 U CN200520054049 U CN 200520054049U CN 2799153 Y CN2799153 Y CN 2799153Y
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- roll
- welded tube
- topping
- frame
- weld seam
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Abstract
The utility model relates to the field of processing equipment for welding seams of welding tubes, and the purpose is to provide a welding seam leveling device capable of leveling welding seams of stainless steel welded tubes and not damaging the welding seams of the stainless steel welded tubes. The structure comprises an upper roller, a machine frame for the upper roller, a lower roller, a machine frame for the lower roller, an inner roller, an internal pulled coupling rod and a pressure regulating device, wherein the upper roller, the lower roller and the inner roller are respectively arranged on the machine frame for the upper roller, the machine frame for the lower roller, and the internal pulled coupling rod, and the machine frame for the upper roller, the internal pulled coupling rod, and the machine frame for the lower roller are arranged from top to bottom; the machine frame for the lower roller is arranged on the pressure regulating device, and additionally, the mounting position of the inner roller corresponds to the upper roller and the lower roller.
Description
Technical field
The utility model relates to welded tube weld seam treating apparatus field, particularly a kind of weld seam levelling means that adopts rolling method to come processing welding lines.
Technical background
At the standard HG20537.2-4.92 of Chinese the Ministry of Chemical Industry and the ASMTS249 of the U.S., in 312 standards, the inside weld reinforcement in the Austenitic stainless steel welded pipe there is clear and definite regulation.The treatment facility of inside weld reinforcement in the present stainless steel welded pipe, device commonly used is the mode that adopts scraper to handle.With a bar that blade is housed, put in the welded tube, weld reinforcement is planished.The shortcoming of this device is that after treatment welded tube inner surface exists unfavorable tool marks, influences the quality of welded tube, and therefore for avoiding scratch welded tube inside, this kind equipment is very high to the requirement of scraper.Even but adopt high-precision scraper because the wearing and tearing of use blade, also be difficult to guarantee after treatment weld seam and the flush of welded tube mother metal.And, increased the use cost of equipment because the wearing and tearing of blade must often be changed blade.Owing to need frequent disassemblerassembler when changing blade, caused the precise decreasing of equipment, shortened the service life of equipment to a certain extent, increased the difficulty of safeguarding.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of weld seam levelling means that can flatten the stainless steel welded pipe weld seam and can not injure stainless steel welded pipe is provided.
The utility model is achieved through the following technical solutions its goal of the invention.
The utility model discloses a kind of welded tube inside weld levelling means, comprise on the structure topping roll, topping roll frame, bottom roll, bottom roll frame, interior roll, in draw coupling bar and pressure-regulating device, topping roll, bottom roll and interior roll are installed on respectively on topping roll frame, bottom roll frame and the Nei La coupling bar, the topping roll frame, in draw coupling bar and bottom roll frame from top to bottom to be provided with, the bottom roll frame is installed on the pressure-regulating device, and the installation site of interior roll is corresponding with topping roll and bottom roll.In the process of work, in being placed in, draws on the coupling bar by welded tube to import, and by the rotation of topping roll, bottom roll and interior roll, welded tube can transmit along the interior coupling bar that draws.In the process that welded tube transmits, the position on summit about the roll in weld seam is aimed at, suitable pressure can be passed to interior roll and topping roll and the corresponding position of bottom roll by regulating pressure-regulating device, exert pressure at position while welding by the rotation between the roll.In the process of welded tube transmission, the corresponding topping roll of some levels, bottom roll and interior roll can be set, think corresponding summit by roll, with the weld seam pressing of projection.The utility model comes processing welding lines by the mode that rolls, and can prevent to damage tube wall in the process that weld seam is handled, and causes the decline of welding tube quality.The wearing and tearing of roll are very little in the process that weld seam is handled, and can ignore, and therefore need not frequent replacing, have reduced production cost thus, have also guaranteed required precision simultaneously, and equipment has very long service life.Welded tube for different structure requires difference with the pressure that the welded tube butt welded seam that uses different scolders is handled, and the utility model can dispose suitable pressure by regulating pressure-regulating device, thereby guarantees the treatment effect of weld seam and the quality of welded tube.The process of entire process is directly finished on streamline, need not to adopt the mode of back processing, has improved production efficiency.
In the process of work, in making, draw coupling bar and interior roll in pipe, not to beat, further guarantee the treatment effect of weld seam, the utility model is provided with guide pad at the interior two ends of coupling bar of drawing.Guide pad is to make according to different calibers and wall thickness, guarantees that generally the gap of guide pad and inner wall of welded pipe is about about 1MM, can closely cooperate with the interior coupling bar that draws in the process of welded tube transmission like this.Guide pad can be made into polytype according to the welded tube of different size, and adopts dismountable mode to draw on the coupling bar in being installed on, and makes the utility model can be used to handle the welded tube of various different tube diameters and different cross section shape.
Because the processing of butt welded seam needs higher precision, think that the welded tube of further stablizing in the transport process is the key of treatment effect, the improvement project that the utility model adopts is to be separately installed with some topping rolls and bottom roll in topping roll frame and bottom roll frame, topping roll and bottom roll are transversely and distribute alternately down, and respectively corresponding interior roll.Adopt many group rolls and structure alternately can play the effect of support and counterpressure simultaneously.Adopt the single corresponding structure of topping roll and bottom roll and interior roll guaranteeing to have simplified system architecture under the stable prerequisite, thereby prevented that many groups of a plurality of rolls from cooperating the possibility that occurs blind spot in the transmission welded tube process, reduced the high-precision requirement of complex device structure to a certain extent to parts, thereby guaranteed the security of system, reduced the difficulty of production cost and plant maintenance.
For general general welded tube, need not complicated many groups roll structure, only need a topping roll to be installed in the topping roll frame, the bottom roll frame is equipped with two bottom rolls, in draw coupling bar that three interior rolls are installed, described topping roll is positioned in the middle of two bottom rolls, a topping roll and two respectively corresponding interior rolls of bottom roll, axle center alignment.Suitably adjust the pressure of pressure-regulating device, only need to adopt three grades and roll, just the weld seam of projection can be flattened, simplified the structure of equipment to the full extent.For extraordinary welded tube many group rolls only need be set again, can meet the demands, can leave the position of installation at the corresponding roll stand of the utility model and Nei La coupling bar, when needs are handled extraordinary welded tube, just corresponding roll be installed, expand the scope of application of the present utility model.
Pressure-regulating device of the present utility model can be for general pressure conditioning equipment, and as pneumatic cylinder, hydraulic cylinder or the like, the preferred hydraulic cylinder of the utility model is as pressure-regulating device.This is that technology maturation voltage supply power is big, cost is low and safeguard advantages such as simple and easy but hydraulic cylinder has owing to relative other pressure-regulating devices.The technical solution of the utility model is not got rid of the possibility of using this kind equipment instead when technical parameter is better than the pressure conditioning equipment of hydraulic cylinder when occurring.
Be to be suitable for the welded tube of different tube diameters and to make things convenient for the initial stage of welded tube to import, but the utility model the topping roll frame is installed on the frame of a vertical direction activity, the topping roll frame can up-down adjustment with respect to the upright position of bottom roll frame.The upright position that only needs on the structure to regulate the top and bottom rolls frame just can be suitable for polytype welded tube, is suitable for simple and convenient.And at the initial stage that welded tube imports, also can adjust the position of topping roll frame, so that topping roll is positioned, so that weld seam is handled the pressure at initial stage and the adjustment of position.
At the welded tube of circle, the utility model is made into the indent roll that adapts to welded tube outer surface curvature with described topping roll and bottom roll especially, interior roll is made into the evagination roll that adapts to welded tube inner surface curvature.In the process of processing welding lines, various rolls can cooperate the curvature of the sidewall of welded tube, guarantee the quality that weld seam is handled.The utility model also can further be made into removable structure with topping roll, bottom roll and interior roll, and topping roll, bottom roll and the interior roll of corresponding different curvature welded tube be equipped with, can be equipped with different roll combinations according to the diameter of the welded tube of concrete processing.
The utility model has following substantive distinguishing features and progress with respect to prior art:
1. this equipment adopts roll pressing mode to handle the welded tube weld seam, can not cause damage to the welded tube sidewall, has improved the quality of producing;
2. the roll member need not frequent replacing, greatly reduces the use cost and the maintenance cost of equipment;
3. be applicable to that streamline produces continuously, guaranteed the efficient of producing;
4. the pressure conditioning equipment can be adjusted pressure between the roll to adapt to various dissimilar weld seams, and the treatment effect of weld seam also has controllability;
4. be provided with guide pad at interior two ends of drawing coupling bar and can stablize welded tube, further improve welding tube quality, and this equipment of making can be applicable to polytype welded tube;
5. topping roll and bottom roll are transversely and distribute alternately down, and respectively corresponding interior roll, can play simultaneously and support and the effect of counterpressure;
6. device structure is simple, has reduced the high-precision requirement of complex device structure to parts to a certain extent, thereby has guaranteed the security of system, has reduced the difficulty of production cost and plant maintenance;
7. the welded tube at circle adopts special roll structure, can further improve the quality that weld seam is handled;
8. can regulate frame makes this equipment can be suitable for the welded tube of different tube diameters;
9. this device processes is effective, simple in structure, flexibility is high, widely applicable, simple to operate and with low cost.
Description of drawings
Transversary schematic diagram when Fig. 1 uses for the utility model;
Vertical structure schematic diagram when Fig. 2 uses for the utility model;
Fig. 3 is the section of structure that each roll cooperates with welded tube among Fig. 2;
Fig. 4 for roll in the utility model with in draw coupling bar to cooperate structural representation;
Fig. 5 is the structure enlarged drawing that roll flattened weld seam in topping roll cooperated among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The utility model discloses a kind of welded tube inside weld levelling means, shown in Fig. 1 transversary schematic diagram, mainly comprised topping roll 1 on the structure, topping roll frame 11, bottom roll 2, bottom roll frame 21, interior roll 3, in draw coupling bar 31 and pressure-regulating device 4, topping roll 1, bottom roll 2 and interior roll 3 are installed on topping roll frame 11 respectively, on bottom roll frame 21 and the Nei La coupling bar 31, topping roll frame 11, in draw coupling bar 31 and bottom roll frame 21 from top to bottom to be provided with, bottom roll frame 21 is installed on the pressure-regulating device 4, and the installation site of interior roll 3 is corresponding with topping roll 1 and bottom roll 2.During work, welded tube 6 between topping roll 1 and bottom roll 2, the outside of roll 3 in being placed in, the relative position of roll 3 and topping roll 1 or bottom roll 2 in weld seam 61 is aimed at.The direction that roll rolls is consistent with the direction that welded tube 6 transmits, and by the extruding between interior roll 3 and topping roll 1 or interior roll 3 and the bottom roll 2, in the process that transmits welded tube 6 weld seam is flattened.Adopt the weld seam 61 of this device processes welded tube 6, can guarantee has higher flatness between weld seam 61 and the tube wall, and can the tube wall of welded tube 6 not caused damage in the process of handling.The pressure-regulating device 4 that present embodiment adopts is a hydraulic cylinder, by this hydraulic cylinder bottom roll frame 21 is upwards pushed up, the size of pressure is decided according to effect that extrudes weld seam 6 and type, the scope of pressure is adjustable from 10MPA～22MPA, pressure by the regulator solution cylinder pressure, can control the size of the pressure that flattens weld seam 61, thereby be suitable for the processing of dissimilar weld seams 6.But topping roll frame 11 is installed on the frame 5 of a vertical direction activity, can adjust upright position with respect to bottom roll frame 21 by the fixture 51 of regulating both sides, so that be suitable for the welded tube 61 of different tube diameters.And when welded tube 6 imports, also can earlier topping roll frame 11 be raise, treat that welded tube 6 transfers to the position of matching with tube wall with topping roll frame 11 after importing again, simple to operation.Present embodiment is provided with guide pad 32 at the interior two ends of coupling bar 31 of drawing, and makes guide pad 32 according to different calibers and wall thickness, generally guarantees the gap 1MM of guide pad 32 and welded tube 6 inwalls.Can make in the course of the work like this, in draw coupling bar 31 and interior roll 3 can in welded tube 6, not beat.Guide pad 32 can be made into removable structure and different size dimensions, when being suitable for the welded tube 6 of different calibers and wall thickness different guide pad 32 can be installed.
The process of entire process of the present utility model is directly finished on streamline, need not to adopt the mode of back processing, has improved production efficiency.Fig. 2 is for the utility model is applied to schematic diagram on the streamline, there is shown the part that the welded tube 6 of streamline is made streamlines.In draw the stiff end 33 of coupling bar 31 to be fixed on the frame of welded tube finishing mill 8.Welded tube 6 draws coupling bar 31 in importing after handling by a roughing mill 9 earlier before entering finishing mill 8, weld on welding bench 7 through the welded tube after the finish rolling 6, and the welded tube 6 after the welding flattens weld seam 61 in the processing by roll.Present embodiment is equipped with a topping roll 1 in topping roll frame 11, and bottom roll frame 21 is equipped with two bottom rolls 2, in draw coupling bar 31 that three interior rolls 3 are installed, interior roll 3 draws in the opening 34 of connecting rod 31 in being installed on by axle 33, structure as shown in Figure 4.Described topping roll 1 is positioned in the middle of two bottom rolls 2, a topping roll 1 and two bottom roll 2 respectively corresponding interior rolls 3, axle center alignment.Form three grades of modes that roll processing, as shown in Figure 3, weld seam 61 is between interior roll 3 and topping roll 1, and the first order is that topping roll 1 cooperates interior roll 3, the inboard of handling the weld seam 61 of welded tube 6 simultaneously with bottom roll 2; The second level is interior roll 3 and topping roll 1, the interior outside of processing welding lines 6 simultaneously; The third level is the same with the first order, once more processing welding lines 61 inboards; Weld seam 6 surfaces after tertiary treatment flush with welded tube 6 sidewalls substantially, and madial wall can be handled very smoothly when special, in strict conformity with the standard HG20537.2-4.92 of Chinese the Ministry of Chemical Industry and the ASMTS249 of the U.S., 312 standards.
The weld seam levelling means of present embodiment is to be circular welded tube at the cross section, so topping roll 1 and bottom roll 2 are the indent roll of adaptation welded tube 6 outer surface curvatures, interior roll 3 is for adapting to the evagination roll of welded tube 6 inner surface curvatures.As shown in Figure 5, the side 13 of topping roll 1 is made into the inner sunken face that adapts to welded tube 6, and interior roll 3 is a cydariform, and side 35 is the cambered surface of evagination up and down, is rotatably assorted by axle 33 and draws on the connecting rod 31 in interior.In the process of welded tube 6 transmissions, topping roll 1 and interior roll 3 flatten weld seam 61 by the cooperation of side 13,35.Because side 13,35 can well cooperate with the outer surface of welded tube 6 and the curvature of inner surface, so that the weld seam after rolling 61 also has the curvature identical with the welded tube wall, make that welded tube 6 surfaces externally and internallies are very smooth.
Claims (10)
1. welded tube weld seam levelling means, it is characterized in that comprising topping roll (1), topping roll frame (11), bottom roll (2), bottom roll frame (21), interior roll (3), in draw coupling bar (31) and pressure-regulating device (4), topping roll (1), bottom roll (2) and interior roll (3) are installed on topping roll frame (11) respectively, bottom roll frame (21) and in draw on the coupling bar (31), topping roll frame (11), in draw coupling bar (31) and bottom roll frame (21) from top to bottom to be provided with, bottom roll frame (21) is installed on the pressure-regulating device (4), and the installation site of interior roll (3) is corresponding with topping roll (1) and bottom roll (2).
2. welded tube weld seam levelling means according to claim 1 draws the two ends of coupling bar (31) to be provided with guide pad (32) in it is characterized in that.
3. welded tube weld seam levelling means according to claim 2, it is characterized in that topping roll frame (11) and bottom roll frame (21) are separately installed with some topping rolls (1) and bottom roll (2), topping roll (1) and bottom roll (2) are transversely and distribute alternately down, and a respectively corresponding interior roll (3).
4. welded tube weld seam levelling means according to claim 3, it is characterized in that topping roll frame (11) is equipped with a topping roll (1), bottom roll frame (21) is equipped with two bottom rolls (2), in draw coupling bar (31) that three interior rolls (3) are installed, described topping roll (1) is positioned in the middle of two bottom rolls (2), the respectively corresponding interior roll (3) of a topping roll (1) and two bottom rolls (2), the axle center alignment.
5. according to claim 1 or 2 or 3 or 4 described welded tube weld seam levelling means, it is characterized in that described pressure-regulating device (4) is a hydraulic cylinder.
6. according to claim 1 or 2 or 3 or 4 described welded tube weld seam levelling means, it is characterized in that topping roll frame (11) but be installed on the frame (5) of a vertical direction activity, topping roll frame (11) can up-down adjustment with respect to the upright position of bottom roll frame (21).
7. welded tube weld seam levelling means according to claim 5, it is characterized in that topping roll frame (11) but be installed on the frame (5) of a vertical direction activity, topping roll frame (11) can up-down adjustment with respect to the upright position of bottom roll frame (21).
8. according to claim 1 or 2 or 3 or 4 described welded tube weld seam levelling means, it is characterized in that described topping roll (1) and bottom roll (2) for adapting to the indent roll of welded tube outer surface curvature, interior roll (3) is for adapting to the evagination roll of welded tube inner surface curvature.
9. welded tube weld seam levelling means according to claim 5 is characterized in that described topping roll (1) and bottom roll (2) for adapting to the indent roll of welded tube outer surface curvature, and interior roll (3) is for adapting to the evagination roll of welded tube inner surface curvature.
10. welded tube weld seam levelling means according to claim 7 is characterized in that described topping roll (1) and bottom roll (2) for adapting to the indent roll of welded tube outer surface curvature, and interior roll (3) is for adapting to the evagination roll of welded tube inner surface curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054049 CN2799153Y (en) | 2005-01-27 | 2005-01-27 | Welded tube welding seam-trimming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054049 CN2799153Y (en) | 2005-01-27 | 2005-01-27 | Welded tube welding seam-trimming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799153Y true CN2799153Y (en) | 2006-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520054049 Expired - Fee Related CN2799153Y (en) | 2005-01-27 | 2005-01-27 | Welded tube welding seam-trimming equipment |
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| CN (1) | CN2799153Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934446A (en) * | 2010-08-27 | 2011-01-05 | 宝莱不锈钢科技(昆山)有限公司 | Flattening device for welding seam of welded pipe |
| WO2011063588A1 (en) * | 2009-11-27 | 2011-06-03 | 无锡市四方制桶有限公司 | Device for leveling up welding line of welded barrel |
| CN103203673A (en) * | 2013-04-24 | 2013-07-17 | 深圳市燃气集团股份有限公司 | Weld reinforcement grinding machine |
| CN104227115A (en) * | 2014-08-14 | 2014-12-24 | 江苏龙源金属科技有限公司 | Scraper device for welded joint of welded tube |
| CN104349867A (en) * | 2012-05-25 | 2015-02-11 | 白木工业株式会社 | Method for smoothing weld member, and smoothing device |
| CN106345854A (en) * | 2016-09-07 | 2017-01-25 | 广东双兴新材料集团有限公司 | Welded-bead leveling device |
| CN111515570A (en) * | 2020-04-29 | 2020-08-11 | 金栋 | Pipe welding equipment for thin-wall metal pipe |
| CN113798792A (en) * | 2021-09-14 | 2021-12-17 | 广东信日德管业科技有限公司 | Manufacturing method of clean steel pipe |
-
2005
- 2005-01-27 CN CN 200520054049 patent/CN2799153Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011063588A1 (en) * | 2009-11-27 | 2011-06-03 | 无锡市四方制桶有限公司 | Device for leveling up welding line of welded barrel |
| CN101934446A (en) * | 2010-08-27 | 2011-01-05 | 宝莱不锈钢科技(昆山)有限公司 | Flattening device for welding seam of welded pipe |
| CN104349867A (en) * | 2012-05-25 | 2015-02-11 | 白木工业株式会社 | Method for smoothing weld member, and smoothing device |
| CN104349867B (en) * | 2012-05-25 | 2016-09-07 | 白木工业株式会社 | The smoothing method of welding assembly and smoothing device |
| CN103203673A (en) * | 2013-04-24 | 2013-07-17 | 深圳市燃气集团股份有限公司 | Weld reinforcement grinding machine |
| CN104227115A (en) * | 2014-08-14 | 2014-12-24 | 江苏龙源金属科技有限公司 | Scraper device for welded joint of welded tube |
| CN106345854A (en) * | 2016-09-07 | 2017-01-25 | 广东双兴新材料集团有限公司 | Welded-bead leveling device |
| CN111515570A (en) * | 2020-04-29 | 2020-08-11 | 金栋 | Pipe welding equipment for thin-wall metal pipe |
| CN113798792A (en) * | 2021-09-14 | 2021-12-17 | 广东信日德管业科技有限公司 | Manufacturing method of clean steel pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |