CN210498066U - Seamless pressure tank rolling device - Google Patents
Seamless pressure tank rolling device Download PDFInfo
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- CN210498066U CN210498066U CN201921031854.0U CN201921031854U CN210498066U CN 210498066 U CN210498066 U CN 210498066U CN 201921031854 U CN201921031854 U CN 201921031854U CN 210498066 U CN210498066 U CN 210498066U
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- 238000005096 rolling process Methods 0.000 title claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 238000001125 extrusion Methods 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 239000007769 metal material Substances 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003566 sealing material Substances 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 19
- 238000010438 heat treatment Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model discloses a seamless overhead tank roll-in device. The seamless steel pipe extrusion device can be used for sleeving a driving roller of a seamless steel pipe and an extrusion roller matched with the driving roller, and further comprises a lifting mechanism capable of enabling the driving roller and the extrusion roller to be extruded relatively, the lifting mechanism enables the driving roller and the extrusion roller to be extruded relatively to pressurize the inner wall of the seamless steel pipe, the driving roller is connected with a power device and can rotate under the driving of the power device, and the seamless steel pipe can be driven by the driving roller and continuously extruded through synchronous rotation of the extrusion roller to enable the wall thickness of the seamless steel pipe to be reduced. It has the following advantages: the manufactured pressure tank has very high integral strength, uniform and compact metal material structure, greatly enhanced bearing capacity, greatly improved pressure resistance, reduced multiple processes, improved processing efficiency, reduced production cost, high surface flatness, no need of subsequent surface treatment, further reduced processes, improved processing efficiency, no need of end sealing treatment by adopting a double-end-sealing material, and reduced loss.
Description
Technical Field
The utility model relates to a production technology of overhead tank, specifically speaking are seamless overhead tank roll-in device.
Background
The existing pressure tank is generally composed of a hemispherical tank top, a cylindrical tank body and a hemispherical tank bottom. In the prior art, for manufacturing a pressure tank, a cylindrical tank body is generally formed by forming and welding a steel plate by using plate bending equipment; the hemispherical ends are usually cut from steel to the desired shape and then press formed using forming equipment and tools; finally, weld the three part and form whole overhead tank, this kind of current tank structure, need carry out the processing of multichannel process to polylith steel sheet, not only the processing technology is complicated, and the material is extravagant serious, make manufacturing cost very high, moreover, each part all need weld, make the bulk strength variation of the jar body behind the welding, the compressive property can not effectively be guaranteed, in addition, after the manufacturing, not only need carry out surface treatment, still need increase the process that the piece that beats of butt weld detected, when having reduced production efficiency, production cost has further been increased.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a seamless overhead tank roll-in device of production process few, the material quantity is few, low in production cost, high and no welding seam of pressure resistance.
In order to solve the technical problem, the utility model discloses a seamless overhead tank roll-in device, including the drive roll that can the suit seamless steel pipe and with the drive roll complex be used for carrying out the extruded squeeze roll to seamless steel pipe, still including the elevating system that can make drive roll and squeeze roll extrude relatively, thereby elevating system makes drive roll and squeeze roll extrude relatively and pressurize the pipe wall of seamless steel pipe, the drive roll is connected with power device and can be rotatory under power device's drive, seamless steel pipe can be under the drive of drive roll and the synchronous revolution through the squeeze roll lasts the extrusion and makes its wall thickness reduce.
The length of the extrusion roller is longer than that of the seamless steel tube.
The lifting mechanism is a lead screw or oil cylinder lifting mechanism, and the lead screw or oil cylinder lifting mechanism is supported and installed through a support.
The lifting mechanism is arranged on a bearing seat of the extrusion roller and can drive the extrusion roller to lift relative to the driving roller.
The extrusion roll is provided with one, and the both sides of extrusion roll are provided with the backing roll.
The extrusion rollers are provided with two extrusion rollers, and at least one extrusion roller is provided with a lifting mechanism.
The lifting mechanism is arranged on a bearing seat of the driving roller and can drive the driving roller to lift relative to the extrusion roller.
The extrusion roll is provided with one, and the both sides of extrusion roll are provided with the backing roll.
The extrusion roller is provided with two.
The utility model has the advantages of as follows:
the rolling device is directly utilized to roll the heated seamless steel tube to form the main body of the pressure tank, meanwhile, the rotary necking machine is utilized to perform necking on two ends of the main body of the pressure tank, on one hand, the whole processing process does not need welding, so that the whole strength of the pressure tank is very high, on the other hand, the pressure tank main body formed by rolling enables the metal material organization of the pressure tank to be uniform and compact, the bearing pressure is greatly enhanced, and the pressure resistance is greatly improved, on the other hand, the processing mode without welding seams does not need to perform the shooting detection on the welding seams existing in the prior art, so that a plurality of processes are reduced, the processing efficiency is improved, the production cost is reduced, on the other hand, the pressure tank main body formed by rolling enables the surface smoothness to be high, the subsequent surface treatment is not needed, the processes are further reduced, the processing efficiency is improved, and the end enclosure treatment by, the loss is reduced.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of the second embodiment;
FIG. 3 is a schematic structural view of a pressure tank made according to the present invention;
FIG. 4 is a schematic view of the arrangement of the drive roll and the squeeze roll in the second embodiment;
FIG. 5 is a schematic diagram of the arrangement of the drive rolls and the squeeze rolls in the third embodiment.
Detailed Description
The seamless pressure tank rolling device according to the present invention will be described in detail with reference to the accompanying drawings and the embodiments.
The first embodiment is as follows:
the production method of the seamless pressure tank of the embodiment comprises the following steps:
A. heating a seamless steel tube by heating equipment by using a 4 x 26 seamless steel tube with the inner diameter of 400 mm, the wall thickness of 13mm and the length of 1680mm as a raw material, wherein the heating temperature is 700 ℃;
B. sleeving the heated seamless steel pipe on a driving roller (with the roller length of 2500 mm) in a rolling device, relatively extruding the driving roller and an extrusion roller of the rolling device through a lifting mechanism to pressurize the pipe wall of the seamless steel pipe (the generated pressure is 600 tons), simultaneously, rotating the driving roller by using a driving device and driving the extrusion roller and the seamless steel pipe to rotate simultaneously, realizing continuous rotary rolling on the pipe wall of the seamless steel pipe in the process, and enabling the wall thickness of the seamless steel pipe to reach 4mm, the length of 1700mm and the outer diameter of 800mm after continuous rolling;
the seamless pressure tank rolling device comprises a driving roller 1 capable of sleeving a seamless steel pipe 7 and an extrusion roller 2 matched with the driving roller and used for extruding the seamless steel pipe, wherein the driving roller 1 and the extrusion roller 2 are arranged in parallel to extrude the seamless steel pipe, as can be seen from a figure 4, the seamless pressure tank rolling device further comprises supporting rollers 8 positioned on two sides of the extrusion roller 2, the supporting rollers 6 are fixedly arranged on two sides of the extrusion roller 2, when the seamless pressure tank rolling device is used, the seamless steel pipe is sleeved on the driving roller, the seamless steel pipe is supported by one of the supporting rollers and is determined to move forwards and then is extruded by the extrusion roller 2, finally the seamless steel pipe is supported by the other supporting roller and is determined to move forwards and then is circulated by the driving roller again, the seamless steel pipe is supported by the supporting rollers to determine an operation track and improve the stability of the support, the driving roller 1 is connected with a driving device and can rotate under the driving of the driving, bearing seats are arranged at two ends of the extrusion roller 1, two oil cylinder lifting mechanisms (lifting oil cylinders) 3 matched with the two bearing seats are arranged on a rack, namely one end of each oil cylinder lifting mechanism is arranged through the rack, the other end of each oil cylinder lifting mechanism is arranged with the two bearing seats of the extrusion roller, so that the oil cylinder lifting mechanisms can drive the extrusion roller to lift up and down, the extrusion roller 1 is driven by the oil cylinder lifting mechanisms (lifting oil cylinders) to lift relative to the driving roller, meanwhile, the driving roller is driven by a motor to rotate, the seamless steel pipe can be driven by the rotating force of the driving roller 1 and continuously extruded by being matched with the extrusion roller to reduce the wall thickness of the seamless steel pipe, through the structural design, the extrusion roller is driven by the oil cylinder lifting mechanisms 3 to lift up and down relative to the driving roller to pressurize the seamless steel pipe, and the driving roller is rotated, the seamless steel pipe can rotate under the action of friction force to realize rotary extrusion, the wall thickness of the seamless steel pipe is reduced to a required size through the extrusion of the extrusion roller under the driving of the driving roller 1, the heated seamless steel pipe is extruded to ensure that the metal material tissue of the seamless steel pipe is uniform and compact in the rotary extrusion process, the bearing pressure is greatly enhanced, the seamless steel pipe can be used as the standard of a pressure tank, and the surface of the seamless steel pipe is required to be treated;
C. installing the extruded seamless steel pipe on spinning necking equipment, starting the spinning necking equipment to perform necking on the seamless steel pipe, and necking two end mouths of the seamless steel pipe into an inner hole of 50mm, wherein the spinning necking equipment can adopt a 611 lathe, a roller with the outer diameter of 100mm is installed on a tool rest of the 611 lathe, and an external curve is formed through the track of the roller, so that necking is formed;
D. and (3) detaching the seamless steel pipe subjected to necking from the spinning and necking equipment, thereby manufacturing the required pressure tank 6.
Example two:
the production method of the seamless pressure tank of the embodiment comprises the following steps:
A. heating a seamless steel tube by heating equipment by using a 4 x 26 seamless steel tube with the inner diameter of 400 mm, the wall thickness of 13mm and the length of 1680mm as a raw material, wherein the heating temperature is 700 ℃;
B. sleeving the heated seamless steel pipe on a driving roller (the length of the roller is 2500 mm) in a rolling device, pressurizing the pipe wall of the seamless steel pipe relative to an extrusion roller through a lifting mechanism (the generated pressure is 500 tons), simultaneously, enabling the driving roller to rotate by utilizing a driving device and driving the extrusion roller and the seamless steel pipe to rotate simultaneously, and arranging the driving roller 1 and the extrusion roller 2 in parallel, so that the pipe wall of the seamless steel pipe is continuously rotated and rolled in the process, and after continuous rolling, the wall thickness of the seamless steel pipe reaches 4mm, the length of the seamless steel pipe is 1700mm, and the outer diameter of the seamless steel pipe is 800 mm;
wherein, the seamless pressure tank rolling device of the invention comprises a driving roller 1 which can be sleeved with a seamless steel pipe 7 and a squeeze roller 2 which is matched with the driving roller and is used for squeezing the seamless steel pipe, the driving roller 1 and the squeeze roller 2 are arranged in parallel to realize squeezing the seamless steel pipe, as can be seen from figure 4, in the embodiment, the seamless pressure tank rolling device also comprises supporting rollers 8 which are positioned at two sides of the squeeze roller 2, the supporting rollers 6 are fixedly arranged at two sides of the squeeze roller 2, when in use, the seamless steel pipe is sleeved on the driving roller, the seamless steel pipe is supported by one of the supporting rollers and extruded by the squeeze roller 2 after determining the direction, and finally supported by the other supporting roller to determine the running direction, then the driving roller is used for circulating again, the seamless steel pipe is supported by the supporting rollers to determine the running track and improve the stability of the support, the driving roller 1 is connected with a driving device (preferably a motor) 5 and can rotate under the driving, the driving roll 1 is arranged on a frame 4 through a lead screw lifting mechanism 3 and can move relative to the extrusion roll under the driving of the lead screw lifting mechanism, in particular, the lead screw lifting mechanism is arranged on a bearing seat of the driving roll, thereby driving the driving roll to lift up and down, the top end of the lead screw lifting mechanism is arranged on the frame, a motor synchronously lifts along with the driving roll in the lifting process of the driving roll, the seamless steel pipe can be extruded by the extrusion roll under the driving of the driving roll 1 to reduce the wall thickness of the seamless steel pipe, when in use, the seamless steel pipe is sleeved on the driving roll, the driving roll is driven by the lead screw lifting mechanism 3 to move relative to the extrusion roll for pressurization, simultaneously the driving roll rotates and rolls relative to the extrusion roll, the seamless steel pipe can rotate under the action of friction force to realize the rotating extrusion, and the seamless steel pipe is extruded by the extrusion roll under the driving of the driving roll 1 to reduce, in the rotary extrusion process, the heated seamless steel pipe is extruded to ensure that the metal material structure is uniform and compact, the bearing pressure is greatly enhanced, the seamless steel pipe can be used as a pressure tank standard, and the surface is required to be treated;
furthermore, for the rolling device, in order to facilitate the sleeving of the seamless steel pipe, the structure of the existing plate rolling machine can be adopted, namely the end head of the driving roller can be disassembled, so that the seamless steel pipe is sleeved on the driving roller and then the lifting mechanism is installed, and after the extrusion operation is completed, the lifting mechanism is disassembled to dismount the seamless steel pipe from the driving roller;
C. installing the extruded seamless steel pipe on spinning necking equipment, starting the spinning necking equipment to perform necking on the seamless steel pipe, and necking two end mouths of the seamless steel pipe into an inner hole of 50mm, wherein the spinning necking equipment can adopt a 611 lathe, a roller with the outer diameter of 100mm is installed on a tool rest of the 611 lathe, and an external curve is formed through the track of the roller, so that necking is formed;
D. and (3) detaching the seamless steel pipe subjected to necking from the spinning and necking equipment, thereby manufacturing the required pressure tank 6.
Example three:
the production method of the seamless pressure tank of the embodiment comprises the following steps:
A. heating a seamless steel tube by heating equipment by using a 4 x 30 seamless steel tube with the inner diameter of 400 mm, the wall thickness of 15mm and the length of 1680mm as a raw material, wherein the heating temperature is 800 ℃;
B. sleeving the heated seamless steel pipe on a driving roller in a rolling device, arranging the driving roller 1 and an extrusion roller 2 in parallel, pressurizing the pipe wall of the seamless steel pipe relative to the extrusion roller through a lifting mechanism of the driving roller (the generated pressure is 800 tons), and simultaneously rotating and rolling the driving roller relative to the extrusion roller to ensure that the wall thickness of the seamless steel pipe reaches 4.5mm, the length is 1700mm and the outer diameter is 800mm, wherein the seamless pressure tank rolling device has basically the same structure as the second embodiment, and the main difference is that the two extrusion rollers 2 of the rolling device in the embodiment are arranged, when in use, the driving roller is driven by the lifting mechanism to pressurize the pipe wall of the seamless steel pipe relative to the extrusion roller, the driving roller rotates and rolls relative to the extrusion roller after pressurization, and the seamless steel pipe is sequentially extruded through the two extrusion rollers according to the friction force in the rotating and rolling process, the arrangement mode of the two extrusion rollers can enable the seamless steel pipe to always run along a specific curved surface, so that the inner diameter of the seamless steel pipe is gradually increased, and the seamless steel pipe can be extruded by the extrusion rollers under the driving of the driving roller 1 to reduce the wall thickness of the seamless steel pipe;
C. installing the extruded seamless steel tube on a spinning necking machine, starting the spinning necking machine to perform necking on the seamless steel tube, and necking two end orifices of the seamless steel tube into an inner hole of 100mm, wherein the spinning necking equipment can adopt a JZ-SCP-120 automatic necking spinning machine or other types of spinning necking machines, and directly spin-pressing the seamless steel tube into a necking by the automatic necking spinning machine;
D. and (4) disassembling the seamless steel pipe after necking from the spinning necking machine.
Example four:
the production method of the seamless pressure tank of the embodiment comprises the following steps:
A. heating a seamless steel tube by heating equipment at 750 ℃ by using a 4 x 16 seamless steel tube with the inner diameter of 400 mm, the outer diameter of 416mm, the wall thickness of 8mm and the length of 1680mm as a raw material;
B. sleeving the heated seamless steel pipe on a driving roller (with the length of 2500 mm) in a rolling device, pressurizing the pipe wall of the seamless steel pipe relative to an extrusion roller through a lifting mechanism of the driving roller (with the pressure of 1000 tons), and simultaneously rotating and rolling the driving roller relative to the extrusion roller to ensure that the inner diameter of the seamless steel pipe reaches 792mm, the outer diameter of the seamless steel pipe reaches 800mm, the wall thickness of the seamless steel pipe reaches 4mm, the length of the seamless steel pipe reaches 1700mm and the outer diameter of the seamless steel pipe reaches 800mm, wherein the seamless pressure tank rolling device has basically the same structure as that of the second embodiment, and the main difference is that the rolling device of the embodiment is provided with two extrusion rollers 2, when in use, the lifting mechanism is used for driving the driving roller to pressurize the pipe wall of the seamless steel pipe relative to the extrusion roller, the driving roller rotates and rolls relative to the extrusion roller after pressurization, the seamless steel pipe sequentially passes through different extrusion rollers according to friction force in the rotating and rolling process, the arrangement mode of each, therefore, the inner diameter of the seamless steel pipe is gradually increased, and the seamless steel pipe can be extruded by the extrusion roller under the drive of the driving roller 1 to reduce the wall thickness of the seamless steel pipe;
C. installing the extruded seamless steel pipe on spinning necking equipment, starting the spinning necking equipment to perform necking on the seamless steel pipe, and necking two end orifices of the seamless steel pipe into an inner hole of 150mm, wherein the spinning necking equipment can adopt a 611 lathe, a roller with the outer diameter of 100mm is installed on a tool rest of the 611 lathe, and the required outer curve is formed by utilizing the walking track of the roller through side extrusion of the roller, so that necking is formed;
D. and (4) disassembling the seamless steel pipe after necking from the spinning necking equipment.
By detecting the seamless pressure tank manufactured by the rolling device and the manufacturing method, the bearing pressure of the manufactured cylinder body reaches 25-30kg, and the manufacturing cost is reduced by 5-10 percent.
Claims (9)
1. The utility model provides a seamless overhead tank roll-in device which characterized in that: including drive roll (1) that can the suit seamless steel pipe and with drive roll complex be used for carrying out extruded squeeze roll (2) to seamless steel pipe, still including enabling drive roll and squeeze roll relatively extruded elevating system (3), thereby elevating system makes drive roll and squeeze roll relatively extrude and pressurize the pipe wall of seamless steel pipe, drive roll (1) are connected with power device (5) and can rotate under power device's drive, seamless steel pipe can be under drive roll (1) and the synchronous revolution through the squeeze roll lasts the extrusion and makes its wall thickness reduce.
2. Seamless pressure tank roller press according to claim 1, characterized in that: the length of the extrusion roller is longer than that of the seamless steel tube.
3. Seamless pressure tank roller press according to claim 1, characterized in that: the lifting mechanism is a lead screw or oil cylinder lifting mechanism, and the lead screw or oil cylinder lifting mechanism is supported and installed through a support.
4. Seamless pressure tank rolling device according to one of claims 1 to 3, characterized in that: the lifting mechanism (3) is arranged on a bearing seat of the extrusion roller and can drive the extrusion roller to lift relative to the driving roller.
5. Seamless pressure tank rolling device according to claim 4, characterized in that: the extrusion roll (2) is provided with one piece, and the two sides of the extrusion roll (2) are provided with supporting rolls.
6. Seamless pressure tank rolling device according to claim 4, characterized in that: the number of the extrusion rollers (2) is two, and at least one extrusion roller (2) is provided with a lifting mechanism.
7. Seamless pressure tank rolling device according to one of claims 1 to 3, characterized in that: the lifting mechanism (3) is arranged on a bearing seat of the driving roller and can drive the driving roller to lift relative to the extrusion roller.
8. Seamless pressure tank rolling device according to claim 7, characterized in that: the extrusion roll (2) is provided with one piece, and the two sides of the extrusion roll (2) are provided with supporting rolls.
9. Seamless pressure tank rolling device according to claim 7, characterized in that: the two extrusion rollers (2) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031854.0U CN210498066U (en) | 2019-07-03 | 2019-07-03 | Seamless pressure tank rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031854.0U CN210498066U (en) | 2019-07-03 | 2019-07-03 | Seamless pressure tank rolling device |
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| CN210498066U true CN210498066U (en) | 2020-05-12 |
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| CN201921031854.0U Expired - Fee Related CN210498066U (en) | 2019-07-03 | 2019-07-03 | Seamless pressure tank rolling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238308A (en) * | 2019-07-03 | 2019-09-17 | 丹阳市云孚科技有限公司 | A kind of seamless pressurized tank rolling device and manufacturing method |
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2019
- 2019-07-03 CN CN201921031854.0U patent/CN210498066U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238308A (en) * | 2019-07-03 | 2019-09-17 | 丹阳市云孚科技有限公司 | A kind of seamless pressurized tank rolling device and manufacturing method |
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Granted publication date: 20200512 |