CN107186141B - Double-punch upsetting machine - Google Patents
Double-punch upsetting machine Download PDFInfo
- Publication number
- CN107186141B CN107186141B CN201710538433.6A CN201710538433A CN107186141B CN 107186141 B CN107186141 B CN 107186141B CN 201710538433 A CN201710538433 A CN 201710538433A CN 107186141 B CN107186141 B CN 107186141B
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- Prior art keywords
- punch
- frame
- cylinder
- die
- upsetting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/022—Special design or construction multi-stage forging presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/12—Shaping end portions of hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
A double-punch upsetting machine comprises a rack, wherein a liquid-filled oil tank is arranged at the upper part of the rack and is communicated with a main cylinder fixed on the rack, a piston rod of the main cylinder is connected with a movable beam, the movable beam is connected with a return cylinder fixed on the rack, the lower part of the movable beam is connected with an upper die holder, and an upper female die is arranged on the upper die holder; a lower female die matched with the upper female die is arranged on a lower die seat, and the lower die seat is connected with a rack workbench; the machine frame at the side of the machine frame workbench is connected with a punch side shifting device, two punches arranged on the punch side shifting device are matched with the machine frame workbench, the punch side shifting device is connected with a piston rod of an upsetting cylinder, and the punch side shifting device can alternately push a primary punch and a secondary punch into a working position to finish two times of upsetting; the invention is equal to two single-punch upsetting machines, and the equipment cost, the occupied area and the operation cost are saved by nearly half.
Description
Technical Field
The invention relates to an upsetting machine, in particular to a double-punch upsetting machine.
Background
The pipe end upsetting machine with a single punch is common, two upsetting machines are required to be continuously completed for two times of upsetting, labor and cost are wasted, and the operation cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a double-punch upsetting machine which not only saves the field and the cost, but also reduces the operation cost by nearly half.
In order to achieve the purpose, the invention adopts the technical scheme that:
a double-punch upsetting machine comprises a rack 1, wherein a liquid filling oil tank 2 is arranged at the upper part of the rack 1, the liquid filling oil tank 2 is communicated with a main cylinder 3 fixed on the rack 1, a piston rod of the main cylinder 3 is connected with a movable beam 5, the movable beam 5 is connected with a return cylinder 4 fixed on the rack 1, the lower part of the movable beam 5 is connected with an upper die holder 6, and an upper female die 7 is arranged on the upper die holder 6; a lower female die 8 matched with the upper female die 7 is arranged on a lower die holder 9, and the lower die holder 9 is connected with a rack workbench;
a punch side-shifting device 11 is connected to the frame 1 on the side of the frame workbench, two punches 10 mounted on the punch side-shifting device 11 are matched with the frame workbench, the punch side-shifting device 11 is connected with a piston rod of an upsetting cylinder 12, and the upsetting cylinder 12 is fixed on a first support 13.
The frame 1 adopts a combined structure and consists of a frame 1-1, a horizontal beam 1-3 and a pull rod 1-2, the frame 1-1 and the horizontal beam 1-3 are connected into a whole through the pull rod 1-2 and a nut 1-4 by heating and pre-tightening, the frame 1-1 adopts a welding structure, and a cylinder body of a main cylinder 3 is welded on the frame 1-1; the horizontal beam 1-3 is connected with the second support 1-6 in a sliding mode, the second support 1-6 is provided with an L-shaped stop block 1-5, and the horizontal beam 1-3 can move slightly during loading and unloading.
The punch side shifting device 11 comprises a longitudinal shifting slide block 11-3 and a transverse shifting slide block 11-4, two punches 10 are arranged on the transverse shifting slide block 11-4, the transverse shifting slide block 11-4 slides in the longitudinal shifting slide block 11-3 in the lateral direction, the longitudinal shifting slide block 11-3 is connected with a piston rod of a upsetting cylinder 12 in a spherical manner, inclined grooves are formed in the upper surface and the lower surface of the longitudinal shifting slide block 11-3 and are matched with inclined blocks 11-2 with equal inclination, adjusting pads 11-1 at the end parts of the inclined blocks are increased and decreased, and the vertical heights of the punches 10 can be adjusted; a primary transfer die cylinder 11-5 and a secondary transfer die cylinder 11-6 are arranged on two sides of a rectangular guide surface of the frame 1-1, the primary transfer die cylinder 11-5, the secondary transfer die cylinder 11-6 and the transverse sliding block 11-4 are connected and used for transversely sliding the sliding block 11-4, and a primary punch 10-1 and a secondary punch 10-2 are alternately pushed into a working position to finish two times of upsetting.
And a guide block is arranged on the lower die holder 9, and a guide groove is processed on the upper die holder 6 so as to align the upper female die 7 and the lower female die 8 during die assembly.
The invention has the beneficial effects that: the punch side shifting device 11 alternately pushes the one-pass punch and the two-pass punch into a working position, can finish two-pass upsetting, is equal to two single-punch upsetting machines, and saves nearly half of equipment cost, floor area and operation cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the rack.
Fig. 3 is a schematic structural view of the punch side-shifting apparatus.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the double-punch upsetting machine comprises a frame 1, wherein a liquid filling oil tank 2 is arranged at the upper part of the frame 1, the liquid filling oil tank 2 is communicated with a main cylinder 3 fixed on the frame 1 and plays a role in quickly filling liquid and draining the liquid for the main cylinder 3, a piston rod of the main cylinder 3 is connected with a movable beam 5, the movable beam 5 is connected with a return cylinder 4 fixed on the frame 1, the main cylinder 3 and the return cylinder 4 drive the movable beam 5 to move up and down, an upper die holder 6 is connected to the lower part of the movable beam 5, and an upper female die 7 is arranged on the; a lower female die 8 matched with the upper female die 7 is arranged on a lower die holder 9, and the lower die holder 9 is connected with a rack workbench;
a punch side-shifting device 11 is connected to the frame 1 on the side of the frame workbench, two punches 10 mounted on the punch side-shifting device 11 are matched with the frame workbench, the punch side-shifting device 11 is connected with a piston rod of an upsetting cylinder 12, and the upsetting cylinder 12 is fixed on a first support 13.
And a guide block is arranged on the lower die holder 9, and a guide groove is processed on the upper die holder 6 so as to align the upper female die 7 and the lower female die 8 during die assembly.
Referring to fig. 2, the frame 1 adopts a combined structure and consists of a frame 1-1, a horizontal beam 1-3 and a pull rod 1-2, the frame 1-1 and the horizontal beam 1-3 are connected into a whole through the pull rod 1-2 and a nut 1-4 by heating and pre-tightening, the frame 1-1 adopts a welding structure, and a cylinder body of a main cylinder 3 is welded on the frame 1-1 to increase the strength of the frame; the horizontal beam 1-3 is connected with the second support 1-6 in a sliding mode, the second support 1-6 is provided with an L-shaped stop block 1-5, the L-shaped stop block 1-5 limits the freedom degrees of the horizontal beam 1-3 in the upper direction, the lower direction, the left direction and the right direction, and the horizontal beam 1-3 can move slightly during loading and unloading.
Referring to fig. 3, the punch side shift device 11 comprises a longitudinal shift slider 11-3 and a transverse shift slider 11-4, two punches 10 are mounted on the transverse shift slider 11-4, the transverse shift slider 11-4 slides laterally in the longitudinal shift slider 11-3, and the longitudinal shift slider 11-3 is in spherical connection with a piston rod of the upsetting cylinder 12 to overcome eccentricity caused by machining errors and mounting errors; the upper and lower surfaces of the longitudinal sliding block 11-3 are provided with chutes which are matched with the inclined blocks 11-2 with equal inclination, the adjusting pads 11-1 at the end parts of the inclined blocks are increased and decreased, and the vertical height of the punch 10 can be adjusted; a primary transfer die cylinder 11-5 and a secondary transfer die cylinder 11-6 are arranged on two sides of a rectangular guide surface of the frame 1-1, and the primary transfer die cylinder 11-5, the secondary transfer die cylinder 11-6 and the transverse moving slide block 11-4 are connected and used for pushing the transverse moving slide block 11-4, so that a primary punch 10-1 and a secondary punch 10-2 are alternately pushed into a working position to finish two times of upsetting.
The working principle of the invention is as follows: after the red hot steel pipe is sent into the lower concave die 8, the movable beam 5, the upper die holder 6 and the upper concave die 7 descend under the action of the main cylinder 3 and the return cylinder 4 and are tightly attached to the lower concave die 8, the upper concave die and the lower concave die are closed, the oil cylinder pressurizes, and the steel pipe is compressed.
After the clamping and die assembly are carried out, a primary die moving cylinder 11-5 pushes a transverse moving slide block 11-4, a primary punch 10-1 is pushed to a working position (namely a central position), an upsetting cylinder 12 pushes a punch side moving device 11 and the primary punch 10-1 to advance, the punch 10-1 enters a female die to upset the red hot steel pipe to increase the wall thickness of the red hot steel pipe, after the upsetting is finished, the upsetting cylinder retreats, and the primary punch 10-1 is pulled out of a forge piece.
After the punch head lateral moving device 11 retreats to the right position, the secondary die shifting cylinder 11-6 pushes the transverse moving slide block 11-4 to push the secondary punch head 10-2 to the working position, meanwhile, the movable beam 5 is lifted up under the action of the return cylinder 4, and the steel pipe exits from the die cavity to be heated for the second time; after the secondarily heated steel pipe is sent into the die cavity, the movable beam 5 descends, the die is closed and pressed tightly, and the secondary upsetting is carried out on the steel pipe by the two-pass punch 10-2 under the action of the upsetting cylinder 12.
Claims (2)
1. The utility model provides a two drift upsetters, includes frame (1), and liquid filling oil tank (2), its characterized in that are installed on frame (1) upper portion: the liquid-filled oil tank (2) is communicated with a main cylinder (3) fixed on the rack (1), a piston rod of the main cylinder (3) is connected with a movable beam (5), the movable beam (5) is connected with a return cylinder (4) fixed on the rack (1), the lower part of the movable beam (5) is connected with an upper die holder (6), and an upper female die (7) is arranged on the upper die holder (6); a lower female die (8) matched with the upper female die (7) is arranged on a lower die holder (9), and the lower die holder (9) is connected with a rack workbench;
a punch side shifting device (11) is connected to the frame (1) on the side of the frame workbench, two punches (10) mounted on the punch side shifting device (11) are matched with the frame workbench, the punch side shifting device (11) is connected with a piston rod of an upsetting cylinder (12), and the upsetting cylinder (12) is fixed on a first support (13);
the frame (1) adopts a combined structure and consists of a frame (1-1), a horizontal beam (1-3) and a pull rod (1-2), the frame (1-1) and the horizontal beam (1-3) are connected into a whole through the pull rod (1-2) and a nut (1-4) by heating and pre-tightening, the frame (1-1) adopts a welding structure, and a cylinder body of a main cylinder (3) is welded on the frame (1-1); the horizontal beam (1-3) is connected with the second support (1-6) in a sliding manner, the second support (1-6) is provided with an L-shaped stop block (1-5), and the horizontal beam (1-3) can move slightly during loading and unloading;
the punch side shifting device (11) comprises a longitudinal shifting slide block (11-3) and a transverse shifting slide block (11-4), two punches (10) are mounted on the transverse shifting slide block (11-4), the transverse shifting slide block (11-4) slides in the longitudinal shifting slide block (11-3) in the lateral direction, the longitudinal shifting slide block (11-3) is connected with a piston rod of a upsetting cylinder (12) in a spherical mode, inclined grooves are formed in the upper surface and the lower surface of the longitudinal shifting slide block (11-3) and are mounted in a matched mode with inclined blocks (11-2) with equal inclination, adjusting pads (11-1) at the end portions of the inclined blocks are increased and decreased, and the vertical height of the punches (10) can be adjusted; two sides of a rectangular guide surface of the frame (1-1) are provided with a primary die transfer cylinder (11-5) and a secondary die transfer cylinder (11-6), and the primary die transfer cylinder (11-5), the secondary die transfer cylinder (11-6) and the transverse moving slide block (11-4) are connected and used for pushing the transverse moving slide block (11-4), so that a primary punch (10-1) and a secondary punch (10-2) are alternately pushed into a working position to finish two times of upsetting.
2. A double-punch upsetting machine as recited in claim 1, wherein: the lower die holder (9) is provided with a guide block, and the upper die holder (6) is provided with a guide groove so as to facilitate the centering of the upper female die (7) and the lower female die (8) during die assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538433.6A CN107186141B (en) | 2017-07-04 | 2017-07-04 | Double-punch upsetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538433.6A CN107186141B (en) | 2017-07-04 | 2017-07-04 | Double-punch upsetting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186141A CN107186141A (en) | 2017-09-22 |
| CN107186141B true CN107186141B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538433.6A Active CN107186141B (en) | 2017-07-04 | 2017-07-04 | Double-punch upsetting machine |
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| Country | Link |
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| CN (1) | CN107186141B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906952B (en) * | 2018-06-04 | 2020-01-31 | 江苏嘉泰锻压机械有限公司 | Seamless steel pipe hot-pressing integral forming high-speed wire spool body machine and use method thereof |
| CN109047607A (en) * | 2018-09-14 | 2018-12-21 | 南通锻压设备如皋有限公司 | Multistation blanking for ring forgings hydraulic press |
| CN109530593B (en) * | 2018-12-29 | 2024-05-14 | 武汉新威奇科技有限公司 | Horizontal die-dividing hydraulic horizontal forging machine |
| CN114799012B (en) * | 2022-04-29 | 2024-07-02 | 中国重型机械研究院股份公司 | Prestressed pipe end upsetter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100484746C (en) * | 2006-12-26 | 2009-05-06 | 西安重型机械研究所 | Hydraulic press for thickening drill pipe without excavation |
| CN203409175U (en) * | 2013-07-31 | 2014-01-29 | 天津市天锻压力机有限公司 | Hydraulic press punch replacing device |
| RU160917U1 (en) * | 2015-10-08 | 2016-04-10 | Общество с ограниченной ответственностью "Бур-Сервис" | PRESS FOR DISCHARGE OF THE END OF THE METAL PIPE |
| CN105436374B (en) * | 2015-12-01 | 2017-09-05 | 中国重型机械研究院股份公司 | A kind of heavy weight drill pipe pipe end Integral upset equipment |
| CN206912156U (en) * | 2017-07-04 | 2018-01-23 | 中国重型机械研究院股份公司 | A kind of double drift upsetter structures |
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- 2017-07-04 CN CN201710538433.6A patent/CN107186141B/en active Active
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| Publication number | Publication date |
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| CN107186141A (en) | 2017-09-22 |
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