CN2794680Y - Hydraulic three step push pipe making machine - Google Patents
Hydraulic three step push pipe making machine Download PDFInfo
- Publication number
- CN2794680Y CN2794680Y CN 200520083217 CN200520083217U CN2794680Y CN 2794680 Y CN2794680 Y CN 2794680Y CN 200520083217 CN200520083217 CN 200520083217 CN 200520083217 U CN200520083217 U CN 200520083217U CN 2794680 Y CN2794680 Y CN 2794680Y
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- China
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- pushing
- push pedal
- plate
- fixed
- hydraulic
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- Expired - Fee Related
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Abstract
The utility model provides a hydraulic three-step pushing pipe making machine 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 machine 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 a pushing rod is fixed on the back pushing plate, and the other end of the pushing rod is fixed on the front pushing plate. A medium frequency induction heating coil is arranged on the front part of the machine seat, and a middle pushing plate between the back pushing plate and the front pushing plate is fixed on the pushing rod. Because the hydraulic three-step pushing pipe making machine adds the middle pushing plate between the back pushing plate and the front pushing plate and has three pushing plates, the hydraulic three-step pushing pipe making machine can prolong the length of the pushing rod and achieve the three-time pushing process of a processed steel pipe. The length of the pushing total stroke is increased (three times of the length of the stroke pushed by the hydraulic oil cylinder every time), and the hydraulic three-step pushing pipe making machine can be used for processing the steel pipe with large length.
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 have only two push pedals on this tuber, only depend on secondary to promote to realize moving of processed steel pipe, so the total stroke length of its promotion short (being 2 times that hydraulic jack promotes stroke at every turn), can not be used for the processing of big length steel pipe.
Summary of the invention
Technical problem to be solved in the utility model is, provides elect tuber a kind of three steps of hydraulic pressure, and it can realize promoting for three times to processed steel pipe, to be used for the processing of big length steel pipe.
The utility model is to realize like this, three steps of hydraulic pressure advance tuber, comprise support, support plate, back push pedal, preceding push pedal, the front supporting plate on support, arranged successively from back to front, 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, and there is the Frequency Induction Heating coil front portion of support, and push pedal is fixed on the push rod in also having between described back push pedal and preceding push pedal.
Adopt advance tuber three steps of hydraulic pressure of said structure, owing to increased a middle push pedal between back push pedal, the preceding push pedal, have three push pedals, so length that can prolong push rod, and three promotions have been realized to processed steel pipe, the total stroke length of its promotion increases (being 3 times that hydraulic jack promotes stroke at every turn), can be used for the processing of big length steel pipe.Each promotion stroke as hydraulic jack is 6 meters, and the total kilometres that the two original steps advance are 12 meters, and the total kilometres that three steps advanced can reach 18 meters.
Description of drawings
Fig. 1 is the front view of structure of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A profile of Fig. 2.
Among the figure, 1-support, 2-support, 3-hydraulic jack, 4-support plate, push pedal behind the 5-, 6-track, 7-push rod, push pedal among the 8-, push rod before the 9-roller, 10-, 11-bumper bar, 12-fore-stock, 13-Frequency Induction Heating coil, 14-mould rack, 15-plunger, 16-toll bar.
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, three steps of hydraulic pressure of the utility model advance tuber, comprise from back to front and go up the support of arranging (1) at support (2) successively, support plate (4), back push pedal (5), preceding push pedal (10), front supporting plate (12), hydraulic jack (3) is fixed on support (1) and the support plate (4), back push pedal (5) is fixed on the outer end of the plunger (15) on the hydraulic jack, push rod (7) one ends are fixed in the back push pedal (5), the other end is fixed in the preceding push pedal (10), there is Frequency Induction Heating coil (13) front portion of support (2), and push pedal (8) is fixed on the push rod (7) in also having between described back push pedal (5) and preceding push pedal (10).
Be fixed with bumper bar (11) between described support plate (4) and front supporting plate (12), back push pedal (5), middle push pedal (8), the cross-under of preceding push pedal (10) difference are on bumper bar.Like this, can improve stationarity and grazing that each push pedal is moved, improve the tubulation quality.
Two tracks (6) are arranged on the support (2), in back push pedal, middle push pedal, preceding push pedal, the roller (9) that contacts with track (6) is arranged respectively.Toll bar (16) is movably arranged on respectively on the centre position of back push pedal, middle push pedal, preceding push pedal.Forefront at support also has mould rack (14).The Frequency Induction Heating coil links to each other with intermediate frequency power supply.
During use, open the toll bar in back push pedal, middle push pedal and the preceding push pedal, make processed steel pipe from the rear end pass the back push pedal, push pedal and 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 moves forward (at this moment, middle push pedal and preceding push pedal also move forward) thereby make the back push pedal promote steel pipe under the drive of push rod.The one section mould that passes on Frequency Induction Heating coil and the mould rack in the front portion of steel pipe is finished undergauge and is reduced wall thickness.When after shift the position onto before the push pedal after, the toll bar in the push pedal of back is decontroled, back push pedal, middle push pedal and preceding push pedal while retreat into initial position under the drive of plunger.Close the toll bar in the push pedal, just in time block the rear portion of processed steel pipe, when plunger promoted forward once more, middle push pedal can promote steel pipe and carry out the second time forward and move the one section mould that passes on Frequency Induction Heating coil and the mould rack in the middle part of steel pipe.After shifting the position onto before the central push pedal, the toll bar in the middle push pedal is decontroled, back push pedal, middle push pedal and preceding push pedal retreat into initial position simultaneously once more under the drive of plunger.Toll bar before closing in the push pedal, the rear portion of just in time blocking processed steel pipe, when plunger promoted forward once more, preceding push pedal can promote steel pipe and carry out forward moving the one section mould that passes on Frequency Induction Heating coil and the mould rack in the rear portion of steel pipe for the third time.After three promotions, just can finish the undergauge of big length steel pipe and reduce wall thickness.
Hydraulic jack has two groups, is arranged symmetrically on the support, and correspondingly, plunger, push rod respectively have two.
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 mode that pushes away less than 3mm.
Claims (2)
1, three steps of hydraulic pressure advance tuber, comprise from back to front and go up the support of arranging (1) at support (2) successively, support plate (4), back push pedal (5), preceding push pedal (10), front supporting plate (12), hydraulic jack (3) is fixed on support (1) and the support plate (4), back push pedal (5) is fixed on the outer end of the plunger (15) on the hydraulic jack, push rod (7) one ends are fixed in the back push pedal (5), the other end is fixed in the preceding push pedal (10), there is Frequency Induction Heating coil (13) front portion of support (2), it is characterized in that push pedal (8) is fixed on the push rod (7) in also having between described back push pedal (5) and preceding push pedal (10).
2, three steps of hydraulic pressure as claimed in claim 1 advance tuber, it is characterized in that, are fixed with bumper bar (11) between described support plate (4) and front supporting plate (12), and back push pedal (5), middle push pedal (8), the cross-under of preceding push pedal (10) difference are on bumper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083217 CN2794680Y (en) | 2005-05-16 | 2005-05-16 | Hydraulic three step push pipe making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083217 CN2794680Y (en) | 2005-05-16 | 2005-05-16 | Hydraulic three step push pipe making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2794680Y true CN2794680Y (en) | 2006-07-12 |
Family
ID=36812446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083217 Expired - Fee Related CN2794680Y (en) | 2005-05-16 | 2005-05-16 | Hydraulic three step push pipe making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2794680Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814353A (en) * | 2012-08-31 | 2012-12-12 | 太原重工股份有限公司 | Push rod device of metal extruder |
-
2005
- 2005-05-16 CN CN 200520083217 patent/CN2794680Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814353A (en) * | 2012-08-31 | 2012-12-12 | 太原重工股份有限公司 | Push rod device of metal extruder |
| CN102814353B (en) * | 2012-08-31 | 2015-03-18 | 太原重工股份有限公司 | Push rod device of metal extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 |