CN2782249Y - Four-pusher hydraulic, two-step propulsion tube maker - Google Patents
Four-pusher hydraulic, two-step propulsion tube maker Download PDFInfo
- Publication number
- CN2782249Y CN2782249Y CN 200520080581 CN200520080581U CN2782249Y CN 2782249 Y CN2782249 Y CN 2782249Y CN 200520080581 CN200520080581 CN 200520080581 CN 200520080581 U CN200520080581 U CN 200520080581U CN 2782249 Y CN2782249 Y CN 2782249Y
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- Prior art keywords
- pushing
- steel pipe
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- support
- plate
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 38
- 239000010959 steel Substances 0.000 abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 abstract 3
- 230000007423 decrease Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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Abstract
The utility model provides a four-pushing rod hydraulic and two-step propulsion pipe maker which belongs to a steel pipe processing apparatus and comprises a supporting rack, a supporting plate, a back pushing plate, a front pushing plate and a front supporting plate, wherein a hydraulic oil cylinder is fixed on the supporting rack and the supporting plate. The supporting rack, the supporting plate, the back pushing plate, the front pushing plate and the front supporting plate are successively arranged on a maker seat from the back direction to the front direction. The back pushing plate is fixed at the outer end of a plunger piston on the hydraulic oil cylinder. One end of each pushing rod is fixed on the back pushing plate, and the other end of each pushing rod is fixed on the front pushing plate. A mould apparatus is arranged on the front part of the maker seat. The pushing rods have two groups, and each group has two pushing rods. Because the four-pushing rod hydraulic and two-step propulsion pipe maker uses the four pushing rods, the strength and the rigidity are enhanced, and the working stability is increased. The manufacturing quality of a steel pipe is higher. The four-pushing rod hydraulic and two-step propulsion pipe maker reduces the diameter of the steel pipe and decreases the wall thickness of the steel pipe or processes the circular steel pipe into the square steel pipe by using the advantages generated by the two-time pushing process of the hydraulic oil cylinder of the original hydraulic two-step propulsion pipe maker under the action of the mould apparatus. The four-pushing rod hydraulic and two-step propulsion pipe maker also reduces the production cost of the steel pipe manufacturing apparatus.
Description
Technical field
The utility model provides a kind of steel pipe processing unit (plant), especially a kind of tuber.
Background technology
Existing steel pipe apparatus for producing tube generally adopts leading screw to drive push pedal and promotes processed steel pipe and move forward, thereby or adopting hydraulic jack to promote push pedal promotes processed steel pipe and moves forward, the manufacturing of steel pipe is to rely on the disposable promotion of hydraulic jack to finish.Can cause the required length of the cylinder body of hydraulic jack and plunger big like this, rigidity requires high, the straightening difficulty, and processed complex, so manufacturing cost is very high.The applicant once developed the hydraulic pressure two steps propelling tuber that obtains Chinese patent (patent No. is ZL98221393.X), it is to utilize the secondary of hydraulic jack to promote to realize moving of processed steel pipe, this has just shortened the length of hydraulic jack cylinder body and plunger greatly, reduced its rigidity requirement, processing and manufacturing is easy, low cost of manufacture.But the push rod of this tuber has only two, and intensity and rigidity are lower, and is big or distortion is bigger at diameter of steel tube, and in the time of need be than high thrust, job stability be relatively poor, causes the workmanship of steel pipe lower.
Summary of the invention
Technical problem to be solved in the utility model is to provide advance tuber a kind of two steps of four push rod hydraulic pressure, to improve the stability of push rod work.
The utility model is to realize like this, two steps of four push rod hydraulic pressure advance tuber, comprise the support of on support, arranging successively from back to front, support plate, back push pedal, preceding push pedal, front supporting plate, hydraulic jack is fixed on support and the support plate, back push pedal is fixed on the outer end of the plunger on the hydraulic jack, push rod one end is fixed in the push pedal of back, the other end is fixed in the preceding push pedal, there is die device the front portion of support, described push rod has two groups, every group has two, two groups of push rod center line both sides on the support length direction are arranged in parallel, two push rods in each group parallel up and down or about be arranged in parallel.
Adopt advance tuber two steps of four push rod hydraulic pressure of said structure, owing to used four push rods, improved its intensity and rigidity greatly, increased the stability of its work, the workmanship of steel pipe is higher.It has utilized advance tuber hydraulic jack secondary to promote the advantage that is produced former two steps of hydraulic pressure, and under the effect of die device, finishes the undergauge of steel pipe and reduce wall thickness, or round steel pipe is processed into square tube, has reduced the production cost of steel pipe manufacturing installation.
Description of drawings
Fig. 1 is the front view of a kind of embodiment of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the front view of another kind of embodiment of the present utility model.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the A-A profile of Fig. 2.
Fig. 6 is the B-B profile of Fig. 4.
Fig. 7 is the process principle schematic diagram that a kind of die device instant heating in the utility model expands the mode mould.
Fig. 8 is that the A of Fig. 7 is to view.
Fig. 9 is that the another kind of die device in the utility model is the cold process principle schematic diagram that pushes away the mode mould.
Figure 10 is that the B of Fig. 9 is to view.
Among the figure, 1-support, 2-hydraulic jack, 3-support plate, 4-plunger, the push pedal of 5-back, 6-push rod, 7-preceding push pedal, 8-front supporting plate, 9-die device, 9-1-internal mold core bar, 9-2-Frequency Induction Heating coil, 9-3-inner mould core, 9-4-exterior sheathing, 9-5-exterior sheathing, 9-6-outer mold, 9-7-outer mold, 10-guiding slide bar, 11-support, 12-guide rail, 13-roller, 14-toll bar, 15-straightening frame.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing illustrates concrete structure of the present utility model and operation principle.
As shown in drawings, two steps of four push rod hydraulic pressure of the utility model advance tuber, comprise from back to front and go up the support of arranging (1) at support (11) successively, support plate (3), back push pedal (5), preceding push pedal (7), front supporting plate (8), hydraulic jack (2) is fixed on support (1) and the support plate (3), back push pedal (5) is fixed on the outer end of the plunger (4) on the hydraulic jack (2), push rod (6) one ends are fixed in the back push pedal (5), the other end is fixed in the preceding push pedal (7), there is die device (9) front portion of support (11), described push rod (6) has two groups, every group has two, two groups of push rod center line both sides on the support length direction are arranged in parallel, two push rods in each group parallel up and down or about be arranged in parallel.
As Fig. 1, Fig. 2, Fig. 5, Fig. 7, shown in Figure 8, on described die device (9), inner mould core (9-3) is arranged, and on internal mold core bar (9-1) end was fixed on the inner mould core, the other end is fixed on support plate (3), there was the Frequency Induction Heating coil (9-2) on the intermediate frequency heater at the inner mould core rear.Die device on this tuber is hot expansion mode.This is that a kind of employing Frequency Induction Heating coil heats processed steel pipe, under the effect of inner mould core, and the tuber of processing steel pipe.
As Fig. 3, Fig. 4, Fig. 6, Fig. 9, shown in Figure 10, on described die device (9), there is exterior sheathing (9-5) to be installed on the front supporting plate (8), outer mold (9-6) is arranged in the exterior sheathing.Die device on this tuber is the cold mode that pushes away.This is a kind of outer mold that utilizes, and makes processed steel pipe forced deformation process the tuber of steel pipe.
Also have one or more exterior sheathings (9-4) in the place ahead of described exterior sheathing (9-5), outer mold (9-7) is arranged in the exterior sheathing, these one or more exterior sheathings (9-4) are parallel to exterior sheathing (9-5), are fixed on successively on the support (11) in exterior sheathing (9-5) the place ahead.This is a kind of a plurality of outer molds that utilize, and makes to be difficult to time processing moulding such as the bigger processed steel pipe of wall thickness, carries out repeatedly the tuber of forced deformation.
Obviously, when the processing round tube, it is circular that the endoporus of inner mould core or outer mold should be; When the processing square tube, the endoporus of inner mould core or outer mold should be square.
The both sides of support plate (3) and front supporting plate (8) are separately installed with guiding slide bar (10), and back push pedal (5) and preceding push pedal (7) difference activity cross-under are on the guiding slide bar.Two guide rails (12) are arranged on the support (11), in push pedal and the preceding push pedal of back, the roller (13) that contacts with guide rail (12) is arranged respectively.Toll bar (14) is movably arranged on respectively on the centre position of back push pedal and preceding push pedal.Forefront at support also has straightening frame (15).
During use, open the toll bar in back push pedal and the preceding push pedal, make processed steel pipe pass back push pedal and preceding push pedal from the rear end, fall on the roller bearing of preceding push pedal.The toll bar of closing in the push pedal of back makes it to block processed steel pipe rear end, starts hydraulic jack, and plunger promotes the back push pedal and moves forward, and also moves forward thereby make the back push pedal promote steel pipe.One section of steel pipe by Frequency Induction Heating coil and inner mould core on the die device of hot expansion mode, or by the outer mold on the cold die device that pushes away mode, finishes undergauge and reduce wall thickness, or round steel pipe is processed into square tube.When after after push pedal shifts the position onto, the toll bar in the push pedal of back is decontroled, back push pedal and preceding push pedal while retreat under the drive of plunger and put in place.Toll bar before closing in the push pedal, just in time block the rear end of processed steel pipe, when plunger promotes forward once more, can drive steel pipe carries out the second time forward and moves, another section of steel pipe is passed through die device, under the effect of inner mould core or outer mold, finish undergauge and reduce wall thickness, or round steel pipe is processed into square tube.
When adopting the die device of hot expansion mode, the internal mold core bar is positioned at processed steel pipe.The die device of hot expansion mode also can be used for waste and old steel pipe is renovated into steel pipe.Through the heating and the hole enlargement of Frequency Induction Heating coil, waste and old steel pipe has been eliminated metal fatigue, and alloy structure restores to the original state, and the inside and outside wall hot spot is all removed, and has reached the purpose of thorough renovation.
As required, advance on the tuber and can adopt heat to expand or the cold die device that pushes away mode separately in two steps of same four push rod hydraulic pressure by the transposing mould.
The Frequency Induction Heating coil is used to reduce the heating of the above steel pipe of wall thickness 3mm.When reducing wall thickness, needn't heat, can adopt the cold die device that pushes away mode less than 3mm.
Claims (4)
1, two steps of four push rod hydraulic pressure advance tuber, comprise from back to front and go up the support of arranging (1) at support (11) successively, support plate (3), back push pedal (5), preceding push pedal (7), front supporting plate (8), hydraulic jack (2) is fixed on support (1) and the support plate (3), back push pedal (5) is fixed on the outer end of the plunger (4) on the hydraulic jack (2), push rod (6) one ends are fixed in the back push pedal (5), the other end is fixed in the preceding push pedal (7), there is die device (9) front portion of support (11), it is characterized in that, described push rod (6) has two groups, every group has two, two groups of push rod center line both sides on the support length direction are arranged in parallel, two push rods in each group parallel up and down or about be arranged in parallel.
2, two steps of four push rod hydraulic pressure as claimed in claim 1 advance tuber, it is characterized in that, on described die device (9), inner mould core (9-3) is arranged, on internal mold core bar (9-1) end was fixed on the inner mould core, the other end is fixed on support plate (3), there was the Frequency Induction Heating coil (9-2) on the intermediate frequency heater at the inner mould core rear.
3, two steps of four push rod hydraulic pressure as claimed in claim 1 advance tuber, it is characterized in that on described die device (9), having exterior sheathing (9-5) to be installed on the front supporting plate (8), and outer mold (9-6) is arranged in the exterior sheathing.
4, two steps of four push rod hydraulic pressure as claimed in claim 3 advance tuber, it is characterized in that, also have one or more exterior sheathings (9-4) in the place ahead of described exterior sheathing (9-5), outer mold (9-7) is arranged in the exterior sheathing, these one or more exterior sheathings (9-4) are parallel to exterior sheathing (9-5), are fixed on successively on the support (11) in exterior sheathing (9-5) the place ahead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080581 CN2782249Y (en) | 2005-02-28 | 2005-02-28 | Four-pusher hydraulic, two-step propulsion tube maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080581 CN2782249Y (en) | 2005-02-28 | 2005-02-28 | Four-pusher hydraulic, two-step propulsion tube maker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2782249Y true CN2782249Y (en) | 2006-05-24 |
Family
ID=36767244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520080581 Expired - Fee Related CN2782249Y (en) | 2005-02-28 | 2005-02-28 | Four-pusher hydraulic, two-step propulsion tube maker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2782249Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734276A (en) * | 2017-03-30 | 2017-05-31 | 绵阳晟昊光电科技有限公司 | A kind of pipe becomes the one-time formed automatic draw-off gear of square tube |
| CN106914554A (en) * | 2017-04-03 | 2017-07-04 | 浙江卓业能源装备有限公司 | The step of heavy caliber seamless steel pipe two push type thermal expansion machine and its thermal expansion process |
-
2005
- 2005-02-28 CN CN 200520080581 patent/CN2782249Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734276A (en) * | 2017-03-30 | 2017-05-31 | 绵阳晟昊光电科技有限公司 | A kind of pipe becomes the one-time formed automatic draw-off gear of square tube |
| CN106914554A (en) * | 2017-04-03 | 2017-07-04 | 浙江卓业能源装备有限公司 | The step of heavy caliber seamless steel pipe two push type thermal expansion machine and its thermal expansion process |
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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 |