CN216175996U - Mechanical rolling and flaring machine for steel pipe - Google Patents
Mechanical rolling and flaring machine for steel pipe Download PDFInfo
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- CN216175996U CN216175996U CN202122589156.6U CN202122589156U CN216175996U CN 216175996 U CN216175996 U CN 216175996U CN 202122589156 U CN202122589156 U CN 202122589156U CN 216175996 U CN216175996 U CN 216175996U
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Abstract
The utility model discloses a steel pipe mechanical rolling flaring machine, which comprises a flaring machine base, wherein the head end of the base is provided with a steel pipe flaring machine head, the tail end of the base is provided with a steel pipe supporting tail frame, the middle section of the base is provided with a steel pipe central support, the steel pipe flaring machine head is provided with an upper pinch roller and a lower pinch roller, one end of the upper pinch roller and one end of the lower pinch roller are respectively provided with a hole-expanding inclined groove, the hole-expanding inclined grooves of the upper pinch roller and the lower pinch roller are arranged up and down oppositely, the lower pressing wheel is fixed on a machine head rotating shaft and driven by a motor to rotate, the upper pressing wheel is fixed on a machine head jacking device, under pinch roller pivoted state down, go up the pinch roller and push down the steel pipe through the top-pressing device control at the upside of pinch roller down and make pivoted pinch roller down drive the reamed steel pipe and rotate, pivoted reamed steel pipe drives simultaneously the pinch roller and rotates, continues to push down the pinch roller and then realizes the reaming slope mouth of pinch roller and pinch roller down to the orificial roll-in flaring of steel.
Description
Technical Field
The utility model relates to a mechanical rolling flaring machine for a steel pipe.
Background
When the cable was laid to the building, the cable need wear out from the building wall through the steel pipe and worn into, in order to prevent that the steel pipe mouth from causing the incised wound to the cable, the steel pipe mouth needs reaming (pitch hole) to be handled, and traditional steel pipe reaming is handled and is utilized the artifical powerful flaring of breakout tongs, wastes time and energy, and the shaping quality is poor, and the lines do not link up, and the anticorrosive and antirust coating of steel pipe has caused the damage, need carry out the secondary and repair the construction, has increased construction cost. And when the pipe wall exceeds 1.0mm, manual hole expansion is quite difficult, and the hole wall of the hole expansion is rough, so that time and labor are wasted, and the efficiency is low.
Disclosure of Invention
The utility model aims to provide a mechanical rolling and flaring machine for a steel pipe, wherein the flaring machine loads a pressing wheel by a hydraulic jack so that the upper and lower pressing wheels are clamped with the steel pipe; after clamping, the motor drives the lower pressing wheel to rotate together with the steel pipe through the upper pressing wheel shaft, so that the wall of the steel pipe uniformly bears the load of the upper pressing wheel. The slope of the flaring of the steel pipe is controlled by the slope of the groove of the lower pinch roller and the slope of the groove of the upper pinch roller, so that the flaring of the metal pipe with the pipe diameter of 50-200 mm and the wall thickness of 2.5-4.0 mm can be met.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a steel pipe mechanical rolling and expanding machine comprises an expanding machine base, a steel pipe expanding machine head is arranged at the head end of the base, a steel pipe supporting tailstock is arranged at the tail end of the base, a steel pipe central support is arranged at the middle section of the base, wherein the steel pipe expanding machine head is provided with an upper pressing wheel and a lower pressing wheel, hole expanding inclined grooves are respectively formed in one end of the upper pressing wheel and one end of the lower pressing wheel, the hole expanding inclined grooves of the upper pressing wheel and the lower pressing wheel are oppositely arranged up and down, the diameter of the lower pressing wheel is smaller than that of a steel pipe to be expanded, the lower pressing wheel is fixed on a machine head rotating shaft and is driven to rotate by a motor, the upper pressing wheel is fixed on a machine head jacking device, after the steel pipe to be expanded is sleeved on the lower pressing wheel, the upper pressing wheel is controlled by the machine head jacking device to push the steel pipe to enable the rotating lower pressing wheel to drive the steel pipe to be expanded to rotate, the rotating steel pipe to be expanded to simultaneously drive the upper pressing wheel to rotate, and continuously pressing the upper pressing wheel downwards to further realize the rolling and flaring of the chambered slope openings of the upper pressing wheel and the lower pressing wheel to the steel pipe opening.
The scheme is further as follows: and a blocking disc is arranged on the machine head rotating shaft and is close to the lower pressing wheel hole expanding oblique groove for limiting the hole expanding end hole of the expanded steel pipe.
The scheme is further as follows: the machine head jacking device comprises a jacking base, the jacking base comprises a base platform, a hydraulic jack is fixed at the upper end of the jacking base platform, a telescopic arm of the hydraulic jack downwards penetrates through the base platform and is connected with a U-shaped bearing support seat which is reversely arranged on the lower end face of the base platform, two ends of a rotating shaft are fixed on two side arms of the U-shaped bearing support seat through bearings, and an upper pressing wheel sleeve is arranged between the two side arms of the U-shaped bearing support seat on the rotating shaft.
The scheme is further as follows: go up the pinch roller slope mouth and go up the pinch roller another terminal surface and leave 5mm to 10 mm's platform, be provided with the pad roller on the rotation axis hugging closely pinch roller platform terminal surface, the diameter of filling up the roller is less than platform diameter 1mm to 2 mm.
The scheme is further as follows: the platform is an inclined platform with the end surface of the upper pinch roller declining, and the inclination angle of the inclined platform is 1-2 degrees.
The scheme is further as follows: the hydraulic jack is a manual hydraulic jack.
The scheme is further as follows: the supporting tailstock comprises a tailstock base, the tailstock base is fixed on the base in a front-back sliding mode, a limiting tailstock is arranged on the tailstock base, a supporting pipe capable of being adjusted in a telescopic mode is axially arranged on the limiting tailstock, the supporting pipe and the lower pressing wheel are located on the same axis, the diameter of the supporting pipe is smaller than that of the reamed steel pipe, a disc is arranged on the rear end side of the supporting pipe, the diameter of the disc is larger than that of the reamed steel pipe, and the disc is used for pushing the reamed steel pipe to the front side and the front side of the reamed steel pipe to the blocking disc arranged on the rear side of the lower pressing wheel.
The scheme is further as follows: the central support comprises supporting rods fixed on the base, supporting beams are transversely arranged at the upper ends of the supporting rods, rotating shaft seats are respectively arranged at the two ends of each supporting beam, rollers are arranged on the rotating shaft seats, and the rollers arranged at the two ends of each supporting beam are used for supporting the reamed steel pipes and rotate along with the rotation of the reamed steel pipes.
The utility model has the beneficial effects that: the press wheel is loaded by a hydraulic jack, so that the upper press wheel and the lower press wheel are clamped with the steel pipe, and after the upper press wheel and the steel pipe are clamped, the lower press wheel and the steel pipe are driven to rotate together by a motor through a machine head rotating shaft, so that the wall of the steel pipe uniformly bears the load of the upper press wheel. The flaring gradient of the steel pipe is controlled through the slope of the groove of the lower pinch roller and the slope of the groove of the upper pinch roller, the flaring of the metal pipe with the pipe diameter of 50-200 mm and the wall thickness of 2.5-4.0 mm can be met, hydraulic loading is adopted, electric rolling processing is carried out, the efficiency is high, the curved surface rotates to be uniformly loaded, the consistency of lines is guaranteed, the forming quality is good, the requirements of national standard specifications and a drawing set are met, and the application range is wide.
The utility model is described in detail below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the relative positions of the upper pinch roller and the lower pinch roller, and an enlarged view of the portion A of FIG. 1;
FIG. 3 is a schematic view of the upper pinch roller structure;
fig. 4 is a schematic view of a central support structure.
Detailed Description
A steel pipe mechanical rolling flaring machine is disclosed, as shown in figures 1 and 2, the mechanical rolling flaring machine comprises a flaring machine base 1, a steel pipe flaring machine head 2 is arranged at the head end of the base, a steel pipe supporting tail frame 3 is arranged at the tail end of the base, and a steel pipe central support 4 is arranged at the middle section of the base, wherein, as shown in figure 2, the steel pipe flaring machine head is provided with an upper pressure roller 201 and a lower pressure roller 202, one end of the upper pressure roller is provided with a hole expanding oblique groove 201-1, one end of the lower pressure roller is also provided with a hole expanding oblique groove 202-1, the hole expanding oblique grooves 201-1, 201-2 of the upper pressure roller and the lower pressure roller are oppositely arranged up and down, the diameter of the lower pressure roller 202 is smaller than that of a steel pipe 5 to be reamed, the lower pressure roller 202 is fixed on a machine head rotating shaft 203 and driven to rotate by a motor 204 through a speed reducer 205, the upper pressure roller is fixed on a machine head jacking device 206, when the steel pipe to be reamed is sleeved on the lower pressure roller, under pinch roller pivoted state down, go up the pinch roller and push down the steel pipe through the control of aircraft nose top pressing device at the upside of pinch roller down and make pivoted pinch roller down drive the reamed steel pipe and rotate, pivoted reamed steel pipe drives simultaneously and goes up the pinch roller and rotate, continues to push down the pinch roller and then realizes the reaming slope mouth of pinch roller and pinch roller down to the orificial roll-in flaring of steel.
Wherein: the nose jacking device 206 comprises a jacking base 206-1 arranged on the flaring nose 2, the jacking base comprises a jacking base platform 206-2, a hydraulic jack 206-3 is fixed at the upper end of the jacking base platform 206-2, the hydraulic jack 206-3 is a manual hydraulic jack, a pressure operating rod 206-4 is arranged on the jacking base platform, a telescopic arm 206-5 of the hydraulic jack downwards penetrates through the base platform 206-2 and is connected with an inverted U-shaped bearing support base 206-6 at the lower end face of the base platform, two ends of a rotating shaft 206-7 are fixed on two side arms of the U-shaped bearing support base through bearings 206-8, and the upper pinch roller 201 is sleeved on the rotating shaft and is arranged between the two side arms of the U-shaped bearing support base.
Wherein: a blocking disc 209 is arranged on the rotating shaft of the machine head, the blocking disc is arranged close to the hole expanding oblique groove of the lower pressing wheel and used for limiting the hole expanding end hole of the expanded steel pipe, and the blocking disc 209 can be an independent part or an integrated structure processed together with the lower pressing wheel.
In order to enhance the pressure force of the initial state of the upper pressing wheel on the steel pipe: as shown in fig. 3, a platform 201-3 with a width of 5mm to 10mm is reserved from an upper port of the slope opening of the upper pinch roller to the other end surface 201-2 of the upper pinch roller, a pad roller 201-4 is arranged on the rotating shaft and is tightly attached to the end surface of the platform of the upper pinch roller, the diameter of the pad roller is smaller than the diameter of the platform by 1mm to 2mm, and the pad roller 201-4 and the upper pinch roller 201 can be processed into an integral structure. Among them, one preferable measure is: the platform is an inclined platform with the end surface of the upper pinch roller declining, and the inclination angle of the inclined platform is 1-2 degrees. This effect is even better.
In the examples: as shown in fig. 1, the supporting tailstock includes a tailstock base 301, the tailstock base 301 is fixed on the base 1 in a front-back sliding manner, a limiting tailstock 302 is arranged on the tailstock base, similar to a machine tool tailstock, a supporting tube 303 capable of being adjusted in a telescopic manner is axially arranged on the limiting tailstock, the supporting tube 303 only plays a role in overlapping the reamed steel pipe, therefore, the supporting tube and the lower pinch roller are on the same axis, the diameter of the supporting tube is also smaller than that of the reamed steel pipe 5, a disc 304 is arranged on the rear end side of the supporting tube, the diameter of the disc is larger than that of the reamed steel pipe, and the disc is used for pushing the reamed steel pipe forward after the reamed steel pipe is placed on the reamed steel pipe, so that the reaming end of the steel pipe is pushed against a blocking disc 209 arranged on the rear end side of the lower pinch roller.
In the example, as shown in fig. 4: the central support comprises a support rod 401 fixed on the base 1, a support beam 402 is transversely arranged at the upper end of the support rod 401, rotating shaft seats 403 are respectively arranged at two ends of the support beam, rollers 405 are arranged on the rotating shaft seats through shaft pins 404, and the rollers arranged at two ends of the support beam are used for supporting the reamed steel pipe and rotate along with the rotation of the reamed steel pipe.
The mechanical rolling flaring machine for the steel pipe is specifically operated as follows:
a, erecting the steel pipe to be reamed on a supporting pipe of a supporting tailstock and a lower pinch roller of a flaring machine head, adjusting the supporting pipe forwards, and propping the reaming end of the steel pipe on a baffle disc at the rear end of an inclined groove of the lower pinch roller through a disc at the rear end of the supporting pipe;
b, controlling the upper pinch roller to move downwards to abut against the steel pipe, then adjusting the support pipe backwards to enable the tail end of the steel pipe and the disc 304 to be in a rotatable state, enabling a gap to be formed between the steel pipe and the disc 304, enabling the gap to be not larger than 0.5mm, enabling the gap to be in a friction state, enabling butter to be coated on the disc 304, and then starting a motor to enable the lower pinch roller to rotate;
and c, continuously controlling the upper pressing wheel to move downwards to enable the rotating lower pressing wheel to drive the reamed steel pipe to rotate, driving the upper pressing wheel to rotate by the rotating reamed steel pipe, and continuously pressing the upper pressing wheel downwards to further realize the rolling and flaring of the reaming slope openings of the upper pressing wheel and the lower pressing wheel to the steel pipe opening.
Wherein: in the process of pressing the pressing wheel downwards, the tail end of the reamed steel pipe slightly tilts, which is why the supporting pipe needs to be adjusted backwards after the upper pressing wheel downwards moves to jack the steel pipe, so that the tail end of the steel pipe and the disc are in a rotatable state.
The embodiment of the mechanical rolling and flaring machine for the steel pipe adopts the hydraulic jack to load the pressing wheel, so that the upper and lower pressing wheels are clamped with the steel pipe, and after the clamping, the motor drives the lower pressing wheel to rotate together with the steel pipe through the rotating shaft of the machine head, so that the wall of the steel pipe uniformly bears the load of the upper pressing wheel. The flaring gradient of the steel pipe is controlled through the slope of the groove of the lower pinch roller and the slope of the groove of the upper pinch roller, the flaring of the metal pipe with the pipe diameter of 50-200 mm and the wall thickness of 2.5-4.0 mm can be met, hydraulic loading is adopted, electric rolling processing is carried out, the efficiency is high, the curved surface rotates to be uniformly loaded, the consistency of lines is guaranteed, the forming quality is good, the requirements of national standard specifications and a drawing set are met, and the application range is wide.
Claims (8)
1. A steel tube mechanical rolling expanding machine comprises an expanding machine base, a steel tube expanding machine head is arranged at the head end of the base, a steel tube supporting tailstock is arranged at the tail end of the base, and a steel tube central support is arranged at the middle section of the base, and is characterized in that the steel tube expanding machine head is provided with an upper pressing wheel and a lower pressing wheel, the end of the upper pressing wheel and the end of the lower pressing wheel are respectively provided with an expanding inclined groove, the expanding inclined grooves of the upper pressing wheel and the lower pressing wheel are oppositely arranged up and down, the diameter of the lower pressing wheel is smaller than that of an expanded steel tube, the lower pressing wheel is fixed on a machine head rotating shaft and is driven to rotate by a motor, the upper pressing wheel is fixed on a machine head jacking device, after the expanded steel tube is sleeved on the lower pressing wheel, the upper pressing wheel is controlled by the machine head jacking device to push the steel tube to enable the rotating lower pressing wheel to drive the expanded steel tube to rotate, the rotating expanded steel tube simultaneously drives the upper pressing wheel to rotate, and continuously pressing the upper pressing wheel downwards to further realize the rolling and flaring of the chambered slope openings of the upper pressing wheel and the lower pressing wheel to the steel pipe opening.
2. The mechanical rolling and flaring machine for steel pipes according to claim 1, wherein a blocking disc is arranged on the rotating shaft of the machine head, and the blocking disc is arranged close to the flaring inclined groove of the lower pressing wheel and used for limiting the reaming end hole of the reamed steel pipe.
3. The steel pipe mechanical rolling and flaring machine of claim 1, wherein said nose jacking device comprises a jacking base, said jacking base comprises a base platform, a hydraulic jack is fixed on the upper end of the jacking base platform, the telescopic arm of the hydraulic jack passes downward through the base platform and is connected with an inverted U-shaped bearing support seat on the lower end face of the base platform, two ends of a rotating shaft are fixed on two side arms of the U-shaped bearing support seat through bearings, and said upper pinch roller is sleeved on the rotating shaft and is arranged between the two side arms of the U-shaped bearing support seat.
4. The mechanical rolling and flaring machine for steel pipes according to claim 3, wherein a platform with a diameter of 5mm to 10mm is left from the upper end opening of the slope opening of the upper pinch roller to the other end surface of the upper pinch roller, a pad roller is arranged on the rotating shaft and is close to the end surface of the platform of the upper pinch roller, and the diameter of the pad roller is 1mm to 2mm smaller than the diameter of the platform.
5. The mechanical rolling flaring machine of claim 4, wherein said platform is an inclined platform with a declination angle towards the upper pinch roller end face, and the inclination angle of the inclined platform is 1 to 2 degrees.
6. The steel pipe mechanical roll flaring machine of claim 3, wherein said hydraulic jack is a manual hydraulic jack.
7. The mechanical rolling flaring machine of claim 2, wherein the supporting tailstock comprises a tailstock base, the tailstock base is fixed on the base in a front-back sliding manner, a limiting tailstock is arranged on the tailstock base, a supporting tube capable of being adjusted in a telescopic manner is axially arranged on the limiting tailstock, the supporting tube and the lower pressing wheel are on the same axis, the diameter of the supporting tube is smaller than that of the reamed steel tube, a disc is arranged on the rear end side of the supporting tube, the diameter of the disc is larger than that of the reamed steel tube, and the disc is used for pushing the reamed steel tube forward against a blocking disc arranged on the rear end side of the lower pressing wheel.
8. The mechanical rolling and flaring machine for steel pipes according to claim 1, wherein the central support comprises a support rod fixed on the base, a support beam is transversely arranged at the upper end of the support rod, rotating shaft seats are respectively arranged at two ends of the support beam, rollers are arranged on the rotating shaft seats, and the rollers arranged at two ends of the support beam are used for supporting the steel pipes to be reamed and rotate along with the rotation of the steel pipes to be reamed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122589156.6U CN216175996U (en) | 2021-10-27 | 2021-10-27 | Mechanical rolling and flaring machine for steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122589156.6U CN216175996U (en) | 2021-10-27 | 2021-10-27 | Mechanical rolling and flaring machine for steel pipe |
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| Publication Number | Publication Date |
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| CN216175996U true CN216175996U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122589156.6U Active CN216175996U (en) | 2021-10-27 | 2021-10-27 | Mechanical rolling and flaring machine for steel pipe |
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| CN (1) | CN216175996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828697A (en) * | 2021-10-27 | 2021-12-24 | 中国新兴建筑工程有限责任公司 | Mechanical rolling flaring machine for steel pipes and operation method |
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2021
- 2021-10-27 CN CN202122589156.6U patent/CN216175996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828697A (en) * | 2021-10-27 | 2021-12-24 | 中国新兴建筑工程有限责任公司 | Mechanical rolling flaring machine for steel pipes and operation method |
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