CN117943425B - Large-caliber hydraulic cold drawing machine - Google Patents
Large-caliber hydraulic cold drawing machine Download PDFInfo
- Publication number
- CN117943425B CN117943425B CN202410337060.6A CN202410337060A CN117943425B CN 117943425 B CN117943425 B CN 117943425B CN 202410337060 A CN202410337060 A CN 202410337060A CN 117943425 B CN117943425 B CN 117943425B
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- Prior art keywords
- cold drawing
- drawing machine
- groove
- positioning ring
- rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/32—Feeding or discharging the material or mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a large-caliber hydraulic cold drawing machine which comprises a cold drawing machine body, wherein a sliding rail is arranged on one side of the cold drawing machine body, a sliding block is connected to the sliding rail in a sliding manner, a lifting rod is movably connected to the upper portion of the sliding block, a first positioning ring is integrally connected to the upper end of the lifting rod, a notch is formed in the first positioning ring, a sealing piece which is positioned at the notch and used for sealing the notch is arranged on the first positioning ring, and a feeding device is arranged on one side of the cold drawing machine body. The invention has the advantage of avoiding the shaking of the ultra-long tube during cold drawing when the ultra-long tube is processed.
Description
Technical Field
The invention relates to the field of cold drawing machines, in particular to a large-caliber hydraulic cold drawing machine.
Background
The cold drawing process is a process of directly cold drawing a large-diameter pipe into a smaller-diameter pipe by using a drawing die, and the cold drawing machine is a mechanical device for reducing the diameter of the pipe or reducing the wall and expanding the diameter of the pipe. The maximum pluggable outer diameter of the large-caliber hydraulic cold drawing machine is 1200mm, the wall thickness is 70mm, and the maximum pluggable force of the large-caliber hydraulic cold drawing machine can reach 3000 tons.
When the existing cold drawing machine carries out cold drawing treatment on the blank pipe, the blank pipe is firstly subjected to heading treatment so as to manufacture an end which can be clamped by a drawing trolley of the cold drawing machine, the end of the blank pipe passes through a die in a pipe pushing mode after annealing, then the end is clamped by a clamping mechanism of the drawing trolley, the clamping mechanism generally adopts a mechanical clamp, no external force is used for assistance, the blank pipe is easy to slide off during initial clamping, then the blank pipe is drawn out by the drawing trolley through the die, finally the end which is not used is removed, the drawing trolley generally adopts a roller chain to apply acting force, instantaneous speed fluctuation exists in chain transmission, and uneven drawing speed is easy to cause the affected surface quality. At present, when cold drawing treatment is carried out on an ultra-long tube, an untreated part of the ultra-long tube is easy to shake in movement to influence the cold drawing effect, so that improvement is needed.
Disclosure of Invention
The invention aims to provide a large-caliber hydraulic cold drawing machine, which solves the problems in the background technology and has the advantage of avoiding shaking of an ultra-long tube during cold drawing when the ultra-long tube is processed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a heavy-calibre hydraulic pressure cold drawing machine, includes the cold drawing machine body, one side of cold drawing machine body is provided with the slip rail, slip rail sliding connection has the sliding block, the top swing joint of sliding block has the lifter, the upper end integral connection of lifter has first holding ring, first holding ring is provided with the breach, first holding ring is provided with and is in breach department and is used for sealing the closure piece of breach, one side of cold drawing machine body is provided with feed arrangement.
Through adopting above-mentioned technical scheme, let the breach of closure member unblock first holding ring in advance, feed arrangement releases the overlength pipe, and the overlength pipe whereabouts falls into first holding ring along first holding ring's breach, thereby utilize closure member closure first holding ring's breach to let the overlength pipe be in a plurality of first holding ring afterwards, a plurality of first holding ring play the effect of supporting the overlength pipe, this in-process needs to let the sliding block remove to suitable position along the sliding rail to let lifter adjustment to suitable position.
As a further scheme of the invention: the sealing piece comprises a miniature motor arranged in a first positioning ring, an output shaft of the miniature motor is in threaded connection with a sleeving rod, a limiting block is integrally connected to the side face of the sleeving rod, a limiting groove used for accommodating movement is formed in the first positioning ring, the limiting block can move along the length direction of the limiting groove, the first positioning ring is provided with a clamping groove communicated with a notch and recessed inwards, and a part of the sleeving rod can be clamped into the clamping groove.
Through adopting above-mentioned technical scheme, the theory of operation of closure is, starts micro motor drive cover and connects the pole and remove along the length direction of self, thereby this in-process stopper receives the restriction of spacing groove and can only remove along the length direction of spacing groove, thereby lets cover connect the pole also can only remove and then let cover connect the pole and can only remove along the length direction of self, after cover partly of pole removes to the draw-in groove, plays the effect of stabilizing cover and connects the pole, stop running micro motor.
As still further aspects of the invention: the feeding device comprises a placing table, wherein the upper side of the placing table is inclined, two partition air cylinders are arranged on one side of the placing table, a partition plate which is perpendicular to the upper side of the placing table is connected with the partition air cylinders, and a pressure sensor which is connected with the partition air cylinders through electric signals is arranged on one side of the partition plate.
Through adopting above-mentioned technical scheme, place the overlength pipe on placing the platform, owing to place the upper side slope setting of platform, the overlength pipe rolls down under the effect of gravity and falls until being blocked by one side of partition panel, consequently can form temporary storage area between two partition panels, after the partition panel that is close to one side of first holding ring moves down, the overlength pipe in the storage area will drop and then fall into first holding ring through the breach, above-mentioned working process is, one of them partition panel descends, the overlength pipe rolls down to one side of another partition panel, then the partition panel upwards moves, the overlength pipe will be in between two partition panels.
As still further aspects of the invention: the utility model discloses a cold drawing machine, including cold drawing machine body, the top of cold drawing machine body is provided with the chain, the chain includes the chain piece, the chain piece is connected with the connecting rod, the other end of connecting rod is connected with the set square, the downside of set square is provided with runs through the groove, the set square is provided with the recess with run through the groove intercommunication, fixedly connected with fixed axle in the recess, the fixed axle has cup jointed the rotor plate, the torsional spring has been cup jointed to the fixed axle, the one end and the rotor plate of torsional spring are connected, the other end and the cell wall of recess of torsional spring are connected.
Through adopting above-mentioned technical scheme, can drive the chain piece of self after the chain rotates and remove and then drive the connecting rod and remove, the removal of connecting rod drives the removal of set square, after the set square removed the top of overlength pipe, start up lifter drive first positioning ring upwards move and then drive the top of overlength pipe, along with the upwards movement of overlength pipe, the overlength pipe will extrude the rotation board until the overlength pipe passes through the groove and is in the set square, the rotation board returns the normal position under the effect of torsional spring afterwards, be worth noting, when the overlength pipe of same series or same model, the chain need not rotate, only need park in the top of first positioning ring can. .
As still further aspects of the invention: one side of the first positioning ring is provided with a guide plate.
Through adopting above-mentioned technical scheme, the setting of guide board is convenient for the ultra-long tube from feed arrangement whereabouts to the breach department of first positioning ring and slide into in the first positioning ring.
As still further aspects of the invention: the inside of sliding block is provided with the double-end motor, drive gear has been cup jointed to two output shafts of double-end motor, drive gear and sliding rail meshing, the side an organic whole of sliding block is connected with the locating part that restriction sliding block and sliding rail separated.
Through adopting above-mentioned technical scheme, start double-end motor drive two output shafts and rotate and then drive gear and rotate, can remove along the length direction of sliding rail after drive gear rotates, and this in-process locating part lets the sliding block not separate with the sliding rail.
As still further aspects of the invention: the limiting piece comprises a concave rod integrally connected with the side face of the sliding block, the sliding rail is provided with a sliding groove penetrating through the side face of the sliding rail along the length direction of the sliding rail, one end of the concave rod is located in the sliding groove, and one end of the concave rod is connected with a nut in a threaded mode.
By adopting the technical scheme, one end of the concave rod clamp is clamped into the sliding groove, and one end of the concave rod is connected with the nut in a threaded manner, so that the sliding block is not separated from the sliding rail.
As still further aspects of the invention: the upper side of sliding block is provided with the lift cylinder, lift cylinder and lifter fixed connection.
Through adopting above-mentioned technical scheme, the lift cylinder can drive the lifter and reciprocate.
Compared with the prior art, the invention has the beneficial effects that:
Let the closure spare not seal the breach of first holding ring in advance, feed arrangement is released the overlength pipe, and the overlength pipe whereabouts falls into first holding ring along first holding ring's breach, thereby makes the overlength pipe be in a plurality of first holding rings with closure spare closure first holding ring's breach afterwards, and a plurality of first holding rings play the effect of supporting the overlength pipe, and this in-process needs to let the sliding block remove to suitable position along the sliding rail to let lifter adjust to suitable position.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
FIG. 4 is a schematic view of the structure in the direction B in FIG. 2;
Fig. 5 is a schematic structural view of the connection relationship between the chain and the chain block in the embodiment.
In the figure: 1. a cold drawing machine body; 2. a sliding rail; 3. a sliding block; 4. a lifting rod; 5. a first positioning ring; 6. a notch; 7. a micro motor; 8. sleeving a connecting rod; 9. a limiting block; 10. a limit groove; 11. a clamping groove; 12. a placement table; 13. isolating the air cylinder; 14. a partition panel; 15. a pressure sensor; 16. a chain; 17. chain blocks; 18. a connecting rod; 19. a triangle; 20. a through groove; 21. a groove; 22. a fixed shaft; 23. a rotating plate; 24. a torsion spring; 25. a guide plate; 26. a double-ended motor; 27. a drive gear; 28. a concave bar; 29. a sliding groove; 30. a nut; 31. lifting cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In an embodiment of the present invention,
The utility model provides a heavy-calibre hydraulic pressure cold drawing machine, shown in fig. 1-5, includes cold drawing machine body 1, one side of cold drawing machine body 1 is provided with slide rail 2, slide rail 2 sliding connection has slider 3, the top swing joint of slider 3 has lifter 4, the upper end an organic whole of lifter 4 is connected with first holding ring 5, first holding ring 5 is provided with breach 6, first holding ring 5 is provided with and is in breach 6 department and is used for sealing the closure piece of breach 6, one side of cold drawing machine body 1 is provided with feed arrangement.
The sealing piece comprises a miniature motor 7 arranged in a first positioning ring 5, an output shaft of the miniature motor 7 is in threaded connection with a sleeve connection rod 8, a limit block 9 is integrally connected to the side face of the sleeve connection rod 8, a limit groove 10 used for accommodating movement is formed in the first positioning ring 5, the limit block 9 can move along the length direction of the limit groove 10, the first positioning ring 5 is provided with a clamping groove 11 communicated with a notch 6 and recessed inwards, and a part of the sleeve connection rod 8 can be clamped into the clamping groove 11.
The feeding device comprises a placing table 12, wherein the upper side of the placing table 12 is obliquely provided, one side of the placing table 12 is provided with two partition air cylinders 13, the partition air cylinders 13 are connected with partition plates 14 which are vertically arranged on the upper side of the placing table 12, and one side of each partition plate 14 is provided with a pressure sensor 15 which is connected with the partition air cylinders 13 through electric signals.
The cold drawing machine is characterized in that a chain 16 is arranged above the cold drawing machine body 1, the chain 16 comprises a chain block 17, the chain block 17 is connected with a connecting rod 18, the other end of the connecting rod 18 is connected with a triangular plate 19, a through groove 20 is formed in the lower side of the triangular plate 19, the triangular plate 19 is provided with a groove 21 communicated with the through groove 20, a fixed shaft 22 is fixedly connected in the groove 21, a rotating plate 23 is sleeved on the fixed shaft 22, a torsion spring 24 is sleeved on the fixed shaft 22, one end of the torsion spring 24 is connected with the rotating plate 23, and the other end of the torsion spring 24 is connected with the groove wall of the groove 21.
One side of the first positioning ring 5 is provided with a guide plate 25.
The inside of sliding block 3 is provided with double-end motor 26, drive gear 27 has been cup jointed to two output shafts of double-end motor 26, drive gear 27 and sliding rail 2 meshing, the side an organic whole of sliding block 3 is connected with the locating part that restriction sliding block 3 and sliding rail 2 separated.
The limiting piece comprises a concave rod 28 integrally connected with the side surface of the sliding block 3, the sliding rail 2 is provided with a sliding groove 29 penetrating through the side surface of the sliding rail 2 along the length direction of the sliding rail, one end of the concave rod 28 is positioned in the sliding groove 29, and one end of the concave rod 28 is in threaded connection with a nut 30.
The upper side of the sliding block 3 is provided with a lifting cylinder 31, and the lifting cylinder 31 is fixedly connected with the lifting rod 4.
The lifting rod 4 moves downwards to drive the first positioning ring 5 to move downwards so as to be matched with the triangular plate 19 to extrude and fix the ultra-long tube.
Working principle:
Let the closure not seal breach 6 of first holding ring 5 in advance, feed arrangement is released the overlength pipe, the overlength pipe whereabouts and fall into first holding ring 5 along breach 6 of first holding ring 5, thereby utilize closure to seal breach 6 of first holding ring 5 to let the overlength pipe be in a plurality of first holding rings 5, a plurality of first holding rings 5 play the effect of supporting the overlength pipe, this in-process needs to let slider 3 remove to suitable position along sliding rail 2, and let lifter 4 adjust to suitable position.
The theory of operation of closure is, starts micro motor 7 and drives the cover and connect pole 8 and remove along the length direction of self, and consequently this in-process stopper 9 receives limit groove 10 restriction and only can remove along the length direction of limit groove 10, thereby lets cover connect pole 8 also can only remove and then let cover connect pole 8 only can remove along the length direction of self along the length direction of limit groove 10, after cover connects pole 8 a part removes to draw-in groove 11 in, plays the effect of stabilizing cover and connect pole 8, stop running micro motor 7.
When the super long tube is placed on the placing table 12, due to the upper inclined arrangement of the placing table 12, the super long tube rolls down until being blocked by one side of the partition plate 14 under the action of gravity, a temporary storage area can be formed between the two partition plates 14, after the partition plate 14 close to one side of the first positioning ring 5 moves down, the super long tube in the storage area will fall down and then fall into the first positioning ring 5 through the notch 6, and the working process is that one partition plate 14 descends, the super long tube rolls down to one side of the other partition plate 14, then the partition plate 14 moves up, and the super long tube will be positioned between the two partition plates 14.
After the chain 16 rotates, the chain block 17 of the chain 16 can be driven to move so as to drive the connecting rod 18 to move, the movement of the connecting rod 18 drives the triangular plate 19 to move, when the triangular plate 19 moves to the upper side of the ultra-long tube, the lifting rod 4 is started to drive the first positioning ring 5 to move upwards so as to drive the upper side of the ultra-long tube, along with the upward movement of the ultra-long tube, the ultra-long tube can extrude the rotating plate 23 until the ultra-long tube passes through the penetrating groove 20 to be positioned in the triangular plate 19, and then the rotating plate 23 returns to the original position under the action of the torsion spring 24.
The guide plate 25 is arranged so that the ultra-long tube falls from the feeding device to the notch 6 of the first positioning ring 5 and slides into the first positioning ring 5.
The double-headed motor 26 is started to drive the two output shafts to rotate so as to drive the driving gear 27 to rotate, the driving gear 27 can move along the length direction of the sliding rail 2 after rotating, and the limiting piece enables the sliding block 3 not to be separated from the sliding rail 2 in the process.
One end of the concave rod 28 is engaged with the sliding groove 29, and one end of the concave rod 28 is screwed with the nut 30, so that the slider 3 is not separated from the sliding rail 2.
The lifting cylinder 31 can drive the lifting rod 4 to move up and down.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410337060.6A CN117943425B (en) | 2024-03-22 | 2024-03-22 | Large-caliber hydraulic cold drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410337060.6A CN117943425B (en) | 2024-03-22 | 2024-03-22 | Large-caliber hydraulic cold drawing machine |
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| Publication Number | Publication Date |
|---|---|
| CN117943425A CN117943425A (en) | 2024-04-30 |
| CN117943425B true CN117943425B (en) | 2024-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410337060.6A Active CN117943425B (en) | 2024-03-22 | 2024-03-22 | Large-caliber hydraulic cold drawing machine |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209922540U (en) * | 2019-02-26 | 2020-01-10 | 上海即索实业有限公司 | Continuous feeding device of non-woven fabric winding machine |
| CN210386997U (en) * | 2019-05-31 | 2020-04-24 | 徐州市全球通精密钢管有限公司 | Slender precise cold-drawing seamless steel pipe feeding device |
| CN111495995A (en) * | 2020-04-21 | 2020-08-07 | 浙江益宏不锈钢有限公司 | Processing equipment and production process of high-strength corrosion-resistant stainless steel seamless steel pipe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4267221B2 (en) * | 2001-01-18 | 2009-05-27 | 日本伸管株式会社 | Method and apparatus for continuous drawing of long objects |
| KR100623049B1 (en) * | 2004-12-22 | 2006-09-19 | 지성알미늄주식회사 | Aluminum tube bundle automatic drawing device |
| CN207204869U (en) * | 2017-08-18 | 2018-04-10 | 苏州宝新无缝钢管有限公司 | A kind of drawbench |
| CN107377644B (en) * | 2017-09-08 | 2023-08-22 | 明阳科技（苏州）股份有限公司 | Feeding mechanism for automatic cold drawing forming |
| CN111360091B (en) * | 2020-03-30 | 2021-07-13 | 浙江巨龙钢业有限公司 | A kind of high-efficiency cold drawing equipment of stainless steel seamless steel pipe and processing method thereof |
| CN215543781U (en) * | 2021-06-24 | 2022-01-18 | 天津市盈隆无缝钢管工贸有限公司 | Mechanical feeding type seamless steel tube processing cold-drawing machine |
-
2024
- 2024-03-22 CN CN202410337060.6A patent/CN117943425B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209922540U (en) * | 2019-02-26 | 2020-01-10 | 上海即索实业有限公司 | Continuous feeding device of non-woven fabric winding machine |
| CN210386997U (en) * | 2019-05-31 | 2020-04-24 | 徐州市全球通精密钢管有限公司 | Slender precise cold-drawing seamless steel pipe feeding device |
| CN111495995A (en) * | 2020-04-21 | 2020-08-07 | 浙江益宏不锈钢有限公司 | Processing equipment and production process of high-strength corrosion-resistant stainless steel seamless steel pipe |
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| CN117943425A (en) | 2024-04-30 |
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Denomination of invention: Large caliber hydraulic cold drawing machine Granted publication date: 20241015 Pledgee: Industrial and Commercial Bank of China Limited Qingtian sub branch Pledgor: ZHEJIANG ZYEAR ENERGY EQUIPMENT CO.,LTD. Registration number: Y2025980007692 |