CN211464370U - Nonrust steel pipe bar straightener - Google Patents
Nonrust steel pipe bar straightener Download PDFInfo
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- CN211464370U CN211464370U CN201922498792.0U CN201922498792U CN211464370U CN 211464370 U CN211464370 U CN 211464370U CN 201922498792 U CN201922498792 U CN 201922498792U CN 211464370 U CN211464370 U CN 211464370U
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Abstract
The utility model relates to a stainless steel pipe straightener, which comprises a frame and a straightener arranged on the frame, wherein clamping devices are arranged at two ends of the frame in the length direction, and the clamping devices are arranged below the straightener; the clamping device comprises a base, wherein a containing groove is formed in one end, close to the straightening device, of the base, pressing grooves are formed in two ends, located in the length direction of the containing groove, of the base, and the pressing grooves are communicated with the containing groove; the clamping device further comprises a pressing assembly, and the pressing assembly comprises a pressing rod and a vertical driving mechanism connected above the pressing rod. The utility model discloses have and easily seal the steel pipe upper portion of placing in the storage tank, easily reduce the condition that the steel pipe rocked in the storage tank at the whole in-process of steel pipe alignment gradually simultaneously to make the straightener in this scheme play more accurate alignment effect to the steel pipe.
Description
Technical Field
The utility model belongs to the technical field of the technique of steel pipe alignment and specifically relates to a nonrust steel pipe straightener is related to.
Background
In the production process of steel pipes such as seamless steel pipes, straight welded steel pipes, forged steel pipes, precision steel pipes, high-precision steel pipes and the like, the pipe body of the steel pipe is bent in different degrees in the axial direction, so that the straightness of the steel pipe is deviated.
The requirement on the straightness of the steel pipe is not high in a pipeline for general fluid conveying, but if the steel pipe is used on processing mechanical equipment, particularly rubber rollers, center shafts and the like, the straightness of the steel pipe directly influences the precision of the mechanical equipment. Therefore, the produced straight steel pipe is generally required to be subjected to straightness measurement, and particularly for steel pipes with relatively high straightness requirements, the steel pipe with bending after the straightness measurement needs to be straightened to be within an acceptable straightness range so as to be shipped out of a factory. At present, a steel pipe straightener is generally used for straightening steel pipes with unqualified straightness.
The steel pipe straightener disclosed in the chinese patent with publication number CN203711539U, the on-line screen storage device comprises a base, the straightener with the strutting arrangement who is used for placing the steel pipe, the straightener is including the last pressure head of locating the base top, straightener and strutting arrangement all establish on the base, strutting arrangement includes two supporting parts and establishes the fixed part between two supporting parts, the supporting part is including the back shaft that is used for supporting the steel pipe, the both ends of back shaft all are equipped with the movable part, the both sides of base all are equipped with the location portion that supplies the movable part to wear to establish, location portion slides with the movable part and is connected, location portion and base fixed connection, the movable part overcoat is equipped with the elastic component, the elastic component is located between back shaft and the location. Along with the gradual alignment of steel pipe, steel pipe length direction's both ends can become the state with the fixed part laminating gradually by the state of original tilt up for steel pipe length direction both ends move upwards gradually at the alignment in-process, and until steel pipe length direction both ends and steel pipe flexion are in same straight line, the steel pipe reaches final rectilinear state.
The above prior art solutions have the following drawbacks: at the in-process of steel pipe alignment, when the steel pipe flexion received the decurrent pressure of pressure head, steel pipe length direction both ends can produce the trend of perk that makes progress for the both ends of steel pipe take place to rock in the fixed part very easily, appear the condition that the steel pipe both ends deviate from fixed part upper portion opening part even, disturb the alignment precision of current alignment, appear the problem of the unable normal work of straightener even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a nonrust steel pipe straightener, it is at the steel pipe alignment in-process, easily plays stable fixed effect to steel pipe length direction both ends all the time to easily make the steel pipe alignment in-process take place to rock and disturb the alignment precision, deviate from the problem that the fixed part leads to the unable work of straightener and obtain imitating and improve even.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a stainless steel pipe straightening machine comprises a rack and a straightening device arranged on the rack, wherein clamping devices are arranged at two ends of the rack in the length direction, and are positioned below the straightening device; the clamping device comprises a base, wherein an accommodating groove is formed in one end, close to the straightening device, of the base, pressing grooves are formed in two ends, located in the length direction of the accommodating groove, of the base, the pressing grooves are communicated with the accommodating groove, and the pressing grooves extend in the vertical direction; the clamping device further comprises a pressing assembly positioned above the base, the pressing assembly comprises a pressing rod and a vertical driving mechanism positioned above the pressing rod, and the pressing rod is connected with the vertical driving mechanism; when the steel pipe is located in the accommodating groove, the two ends of the length direction of the pressing rod penetrate through the pressing groove together, and the pressing rod is driven by the vertical driving mechanism to slide along the length direction of the pressing groove and be connected with the pressing groove.
Through adopting above-mentioned technical scheme, when the both ends of steel pipe were placed respectively in the storage tank on the base, it easily closed to compress tightly the subassembly and make base upper end formation through compressing tightly the pole to easily in the steel pipe alignment in-process is restricted steel pipe tip in the storage tank all the time, its tip easily deviate from the condition of fixed part when improving current steel pipe flexion atress, thereby maintain the normal work of straightener. Simultaneously, when the steel pipe kept away from the compressing rod gradually at the alignment in-process, the user easily orders about compressing rod along compressing tightly the groove downstream through actuating mechanism, compresses tightly the steel pipe tip of becoming straight gradually for difficult the emergence is rocked when the steel pipe alignment, thereby plays the effect that promotes the steel pipe alignment precision.
The present invention may be further configured in a preferred embodiment as: the accommodating groove is V-shaped, and a V-shaped opening of the accommodating groove is close to the straightening device.
Through adopting above-mentioned technical scheme, easily the steel pipe of different diameters size is adapted to the storage tank, is favorable to strengthening this straightener's commonality.
The present invention may be further configured in a preferred embodiment as: the pressing rod is V-shaped, and a V-shaped opening of the pressing rod is close to the base.
Through adopting above-mentioned technical scheme, easily compress tightly the steel pipe that the pole adapts to different diameters size, be favorable to further strengthening this straightener's commonality.
The present invention may be further configured in a preferred embodiment as: a connecting rod is fixed between the pressing rod and the vertical driving mechanism, and an adjusting rod is sleeved inside the connecting rod; a sliding groove is formed in the connecting rod along the length direction of the connecting rod, one end of the adjusting rod in the length direction is connected with a positioning rod, the positioning rod penetrates out of the connecting rod through the sliding groove, and a positioning bolt is sleeved on the positioning rod in a threaded manner; one end of the pressing rod, which is close to the base, is provided with a penetrating hole for the adjusting rod to penetrate out.
Through adopting above-mentioned technical scheme, when the space between storage tank and the compression bar is not enough to play stable centre gripping effect to the steel pipe of minor diameter, the accessible is unscrewed positioning bolt, makes the regulation pole wear out from wearing out the hole to play the effect of compressing tightly to the minor diameter steel pipe, easily clamping device in this embodiment adapts to the work piece that the diameter is littleer.
The present invention may be further configured in a preferred embodiment as: a first buffer layer is fixed on the wall of the containing groove.
Through adopting above-mentioned technical scheme, easily play the cushioning effect to the steel pipe in the storage tank for its junction with the storage tank is difficult to impaired when the steel pipe alignment.
The present invention may be further configured in a preferred embodiment as: the pressing rod is provided with a second buffer layer, and the second buffer layer is provided with a through hole communicated with the through hole.
Through adopting above-mentioned technical scheme, easily play the cushioning effect between compressing tightly pole and steel pipe for its and the junction that compresses tightly the pole is difficult to impaired when the steel pipe alignment, and simultaneously, the through-hole is easily adjusted the pole and is worn out.
The present invention may be further configured in a preferred embodiment as: the base is connected with a transverse driving mechanism, and the base is connected with the rack in a sliding manner along the length direction of the rack through the transverse driving mechanism; the stroke groove has been seted up in the frame, just the stroke groove is followed frame length direction extension, be fixed with the slide bar on the vertical actuating mechanism, the slide bar is worn to locate the stroke inslot, just the slide bar is followed stroke groove length direction with the stroke groove is slided and is connected, threaded sleeve is equipped with lock nut on the slide bar.
Through adopting above-mentioned technical scheme, easily adjust the interval utensil between two bases through horizontal actuating mechanism, through unscrewing lock nut, easily actuating mechanism slides along the stroke groove through the slide bar, when lock nut screws up, easily fixes a position the pressure subassembly to easily change two distances that compress tightly between the subassembly. Through the adjustment of the distance between two bases and between two pressing assemblies, the effect of changing the distance between two clamping devices can be achieved, so that the clamping devices can clamp steel pipes with different lengths easily, and the universality of the straightening machine is further improved.
The present invention may be further configured in a preferred embodiment as: the straightening device comprises a straightening air cylinder and a balancing weight, one end, close to the base, of a piston rod of the straightening air cylinder is fixed with the balancing weight, and the straightening air cylinder is fixed with the rack in the vertical direction.
Through adopting above-mentioned technical scheme, through alignment cylinder drive balancing weight downstream, easily push down the flexion of steel pipe through the pressure that alignment cylinder and balancing weight produced, play the alignment effect to crooked steel pipe.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the accommodating groove, the pressing groove and the pressing assembly, the upper part of the steel pipe placed in the accommodating groove is easy to seal, and meanwhile, in the whole process of gradually straightening the steel pipe, the shaking condition of the steel pipe in the accommodating groove is easy to reduce, so that the straightening machine in the scheme is easy to achieve a more accurate straightening effect on the steel pipe;
2. the pressing assembly in the scheme is easy to adapt to steel pipes with different diameters by arranging the accommodating groove and the pressing rod in a V shape;
3. through the arrangement of the connecting rod, the adjusting rod, the positioning rod, the sliding groove and the positioning bolt, the clamping device in the scheme is easy to stably clamp the small-diameter steel pipe;
4. through the setting of horizontal actuating mechanism, stroke groove, slide bar and lock nut, easily change the effect of two clamping device intervals, the steel pipe of the different length sizes of subassembly adaptation that compresses tightly in this scheme of easily.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
Fig. 4 is a schematic structural view of the pressing assembly in the present embodiment, in which the connecting rod and the pressing rod are shown in a partially cut-away configuration.
In the figure, 1, a frame; 11. an operating platform; 12. installing a side plate; 2. a straightening device; 21. straightening an air cylinder; 22. a balancing weight; 221. pressing a port; 222. a rubber pad; 3. a clamping device; 31. a base; 311. a containing groove; 312. a compaction groove; 313. a first buffer layer; 32. a compression assembly; 321. a vertical drive mechanism; 322. a hold down bar; 3221. an outlet hole is formed; 323. a second buffer layer; 3231. a through hole; 4. a lateral drive mechanism; 41. an installation part; 42. a power section; 43. a moving part; 5. a stroke slot; 51. a slide bar; 52. locking the nut; 6. a connecting rod; 61. a sliding groove; 7. adjusting a rod; 8. positioning a rod; 81. positioning the bolt; 9. and (5) steel pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the stainless steel pipe straightener disclosed in this embodiment, including frame 1, frame 1 includes that it is right angle fixed operation platform 11 and installation curb plate 12 to be provided with straightening device 2 that is used for carrying out pressure straightening to steel pipe 9 on installation curb plate 12, and straightening device 2 is located operation platform 11 top. Clamping devices 3 are arranged at two ends of the rack 1 in the length direction, the clamping devices 3 are located between the operating platform 11 and the straightening device 2, and the clamping devices 3 are used for fixing the steel pipe 9 to be straightened so that the straightening machine can straighten the steel pipe 9.
Referring to fig. 1 and 2, the straightening device 2 includes a straightening cylinder 21 and a weight 22, the straightening cylinder 21 is fixedly connected to the mounting side plate 12 of the frame 1 along the vertical direction, the weight 22 is fixed to the piston rod of the straightening cylinder 21, and the weight 22 is disposed near the clamping device 3. When the piston rod of the straightening cylinder 21 extends, the counterweight 22 moves towards the steel pipe 9 fixed on the clamping device 3 easily, and the straightening effect is achieved on the bent part of the steel pipe 9. One end of the counterweight block 22 close to the clamping device 3 is provided with a V-shaped pressure opening 221 so as to improve the fit of the counterweight block 22 to the steel pipe 9 during alignment, and a rubber pad 222 is bonded on the V-shaped pressure opening 221 to play a role of buffering.
Referring to fig. 3, the clamping device 3 includes a base 31 fixed to the operation platform 11 of the frame 1, one end of the base 31 close to the straightening device 2 is provided with a receiving groove 311 for receiving the steel pipe 9, the receiving groove 311 is V-shaped, and a V-shaped opening of the receiving groove 311 is disposed close to the straightening device 2, so that the receiving groove 311 is adapted to the steel pipes 9 with various diameters.
Referring to fig. 3, the clamping device 3 further includes a pressing assembly 32 disposed above the base 31, and the pressing assembly 32 includes, from top to bottom, a vertical driving mechanism 321 and a pressing rod 322 connected to each other. The vertical driving mechanism 321 adopts a servo cylinder, the vertical driving mechanism 321 is fixed with a side plate of the frame 1 along the vertical direction, and the pressing rod 322 is fixed with a piston rod of the servo cylinder. The pressing grooves 312 are disposed at two ends of the base 31 along the length direction of the receiving groove 311, the pressing grooves 312 are communicated with the receiving groove 311, the pressing grooves 312 extend along the vertical direction, and the pressing grooves 312 are used for the pressing rods 322 to penetrate through. When the piston rod of the driving cylinder retracts, a user can easily place the steel pipe 9 in the accommodating groove 311, when the piston rod of the driving cylinder extends, the pressing rod can be easily driven to continuously move downwards along the length direction of the pressing groove 312, and the pressing effect on the steel pipe 9 between the accommodating groove 311 and the pressing rod 322 is achieved. The pressing rod 322 is in a V shape, and the V-shaped opening of the pressing rod 322 is close to the base 31, so that the pressing rod 322 is convenient to adapt to steel pipes 9 with different diameters. In order to prevent the steel pipe 9 clamped between the receiving cavity 311 and the pressing rod 322 from being damaged during the alignment process, in this embodiment, a first buffer layer 313 made of rubber is bonded and fixed to a wall of the receiving cavity 311, and a second buffer layer 323 made of rubber is bonded and fixed to one end of the pressing rod 322 close to the base 31.
Referring to fig. 1, a transverse driving mechanism 4 is mounted on an operation platform 11 of a frame 1, and the transverse driving mechanism 4 includes a mounting portion 41, a power portion 42, and a moving portion 43. The installation part 41 is connected with the operation platform 11, the power part 42 is connected with the installation part 41, and the moving part 43 reciprocates along the length direction of the installation part 41 under the driving of the power part 42, and the transverse driving mechanism 4 in the embodiment can adopt mechanisms which are easy to do linear reciprocating motion, such as an air cylinder sliding table, a ball screw sliding table, a flat linear motor and the like. The base 31 is fixed to the moving portion 43 of the lateral drive mechanism 4. The two bases 31 in this embodiment are respectively connected with one transverse driving mechanism 4, so that the bases 31 can easily reciprocate linearly along the length direction of the rack 1, and the two bases 31 can easily approach or leave each other, so that the bases 31 can adapt to steel pipes 9 with different lengths. Meanwhile, a stroke groove 5 is formed in the mounting side plate 12 of the rack 1 along the length direction of the rack 1, a sliding rod 51 is fixed on the vertical driving mechanism 321, the sliding rod 51 penetrates through the stroke groove 5, and the sliding rod 51 is connected with the stroke groove 5 in a sliding manner along the length direction of the formed groove. The sliding rod 51 is screwed with a locking nut 52, when the locking nut 52 is unscrewed, the sliding rod 51 is easy to slide in the stroke slot 5, and the distance between the two pressing assemblies 32 is adjusted, so that the pressing assemblies 32 and the base 31 are matched for use. The compression assembly 32 is easily locked after displacement when the lock nut 52 is tightened.
Referring to fig. 3 and 4, a connecting rod 6 is welded and fixed between the pressing rod 322 and the vertical driving mechanism 321, an adjusting rod 7 is arranged in the connecting rod 6 in a clearance type sleeve, and one end of the adjusting rod 7, which is far away from the pressing rod 322, is fixedly connected with a positioning rod 8. The connecting rod 6 is provided with a sliding groove 61 along the length direction, the positioning rod 8 penetrates out of the connecting rod 6 through the sliding groove 61, the positioning rod 8 is connected with the sliding groove 61 in a sliding mode, and the positioning bolt 81 is sleeved on the positioning rod 8 in a threaded mode. One end of the pressing rod 322 close to the base 31 is provided with a through hole 3221 for the adjusting rod 7 to penetrate through, and meanwhile, the second cushion pad is provided with a through hole 3231 communicated with the through hole 3221. When the pressing rod 322 and the accommodating groove 311 are not enough to stably clamp the small-diameter workpiece, the adjusting rod 7 can be extended out of the through hole 3221 by adjusting the tightness of the locking bolt, so that the steel pipe 9 positioned in the pressing rod 322 and the accommodating groove 311 is further pressed.
The implementation principle of the embodiment is as follows: after the steel pipe 9 is produced, when the steel pipe 9 is observed to be bent by naked eyes or the steel pipe 9 is found to be bent after being measured by a straightness measuring instrument, two ends of the bent pipe are fixed on the clamping device 3, the convex part of the bent pipe is arranged right below the straightening device 2, the straightening motor is started, the balancing weight 22 is driven by the straightening motor to apply pressure to the bent part of the steel pipe 9 for multiple times, and the straightening effect is achieved on the bent part of the steel pipe 9. In-process at steel pipe 9 alignment to actuating mechanism with servo cylinder as the power supply easily along with the change of steel pipe 9 and 31 connecting portion levelness of base, press the tip of steel pipe 9 to the perk gradually to storage tank 311, reduce the clearance that appears between the steel pipe 9 tip that steel pipe 9 alignment in-process lies in storage tank 311 and the cell wall of storage tank 311, easily clamping device 3 plays more stable clamping effect to steel pipe 9 of alignment in-process, thereby be convenient for the straightener to play more accurate alignment effect to steel pipe 9. The steel pipe 9 after straightening can be directly observed by naked eyes for the steel pipe 9 with low requirement on the straightness, and for the steel pipe 9 with precise requirement on the straightness, the straightness of the steel pipe 9 after straightening can be detected by the straightness measuring instrument again.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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 (8)
1. The utility model provides a nonrust steel pipe straightener, includes frame (1) and set up in aligning device (2) on frame (1), its characterized in that: clamping devices (3) are arranged at two ends of the rack (1) in the length direction, and the clamping devices (3) are positioned below the straightening device (2); the clamping device (3) comprises a base (31), one end, close to the straightening device (2), of the base (31) is provided with a containing groove (311), two ends, located in the length direction of the containing groove (311), of the base (31) are provided with pressing grooves (312), the pressing grooves (312) are communicated with the containing groove (311), and the pressing grooves (312) extend in the vertical direction; the clamping device (3) further comprises a pressing assembly (32) positioned above the base (31), the pressing assembly (32) comprises a pressing rod (322) and a vertical driving mechanism (321) positioned above the pressing rod (322), and the pressing rod (322) is connected with the vertical driving mechanism (321); when the steel pipe (9) is located in the accommodating groove (311), two ends of the compressing rod (322) in the length direction penetrate through the compressing groove (312) together, and the compressing rod (322) is driven by the vertical driving mechanism (321) to be connected with the compressing groove (312) in a sliding mode along the length direction of the compressing groove (312).
2. The stainless steel pipe straightener of claim 1, characterized in that: the accommodating groove (311) is V-shaped, and a V-shaped opening of the accommodating groove (311) is arranged close to the straightening device (2).
3. The stainless steel pipe straightener of claim 1, characterized in that: the pressing rod (322) is V-shaped, and a V-shaped opening of the pressing rod (322) is close to the base (31).
4. The stainless steel pipe straightener of claim 1, characterized in that: a connecting rod (6) is fixed between the pressing rod (322) and the vertical driving mechanism (321), and an adjusting rod (7) is sleeved inside the connecting rod (6); a sliding groove (61) is formed in the connecting rod (6) along the length direction of the connecting rod, one end of the adjusting rod (7) in the length direction is connected with a positioning rod (8), the positioning rod (8) penetrates out of the connecting rod (6) through the sliding groove (61), and a positioning bolt (81) is sleeved on the positioning rod (8) in a threaded manner; one end of the pressing rod (322) close to the base (31) is provided with an exit hole (3221) for the adjusting rod (7) to pass through.
5. The stainless steel pipe straightener of claim 1, characterized in that: a first buffer layer (313) is fixed on the wall of the accommodating groove (311).
6. The stainless steel pipe straightener of claim 4, characterized in that: the pressing rod (322) is provided with a second buffer layer (323), and the second buffer layer (323) is provided with a through hole (3231) communicated with the penetrating hole (3221).
7. The stainless steel pipe straightener of claim 1, characterized in that: the base (31) is connected with a transverse driving mechanism (4), and the base (31) is connected with the rack (1) in a sliding manner along the length direction of the rack (1) through the transverse driving mechanism (4); the stroke groove (5) has been seted up on frame (1), just stroke groove (5) are followed frame (1) length direction extension, be fixed with slide bar (51) on vertical actuating mechanism (321), slide bar (51) wear to locate in stroke groove (5), just slide bar (51) are followed stroke groove (5) length direction with stroke groove (5) slide and connect, threaded sleeve is equipped with lock nut (52) on slide bar (51).
8. The stainless steel pipe straightener of claim 1, characterized in that: the straightening device (2) comprises a straightening air cylinder (21) and a balancing weight (22), one end, close to the base (31), of a piston rod of the straightening air cylinder (21) is fixed to the balancing weight (22), and the straightening air cylinder (21) is fixed to the rack (1) along the vertical direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922498792.0U CN211464370U (en) | 2019-12-31 | 2019-12-31 | Nonrust steel pipe bar straightener |
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Application Number | Priority Date | Filing Date | Title |
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CN201922498792.0U CN211464370U (en) | 2019-12-31 | 2019-12-31 | Nonrust steel pipe bar straightener |
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CN211464370U true CN211464370U (en) | 2020-09-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114160612A (en) * | 2021-11-29 | 2022-03-11 | 深圳市长龙铁路电子工程有限公司 | Rail transit maintenance structure |
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2019
- 2019-12-31 CN CN201922498792.0U patent/CN211464370U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114160612A (en) * | 2021-11-29 | 2022-03-11 | 深圳市长龙铁路电子工程有限公司 | Rail transit maintenance structure |
CN114160612B (en) * | 2021-11-29 | 2024-02-23 | 深圳市长龙铁路电子工程有限公司 | Rail transit maintenance structure |
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