CN110576066A - Cold-drawing rotary table for steel pipes - Google Patents
Cold-drawing rotary table for steel pipes Download PDFInfo
- Publication number
- CN110576066A CN110576066A CN201810591155.5A CN201810591155A CN110576066A CN 110576066 A CN110576066 A CN 110576066A CN 201810591155 A CN201810591155 A CN 201810591155A CN 110576066 A CN110576066 A CN 110576066A
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- Prior art keywords
- cold
- rotary table
- extrusion
- fixedly connected
- block
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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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/12—Die holders; Rotating dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to the technical field of steel pipe cold-drawing machine accessories and discloses a cold-drawing rotary table of a steel pipe, which comprises a cold-drawing rotary table, wherein a clamping groove is formed in the bottom of the cold-drawing rotary table, two limiting fixed sleeve rods positioned on the inner wall of the clamping groove are fixedly connected to the bottom of the cold-drawing rotary table, an extrusion cold-drawing die is arranged in the clamping groove, two symmetrical positioning blocks are fixedly connected to two sides of the bottom of the extrusion cold-drawing die, the two positioning blocks are positioned in the clamping groove, and a hollow cavity sleeve groove is formed in the bottom of the extrusion cold-drawing die. This cold-drawing carousel of steel pipe uses through secondary cold-drawing mould, sliding block and closing device's cooperation, is convenient for carry out secondary cold-drawing to the steel pipe and adjusts, has avoided the diameter of extrusion cold-drawing mould to need change the extrusion cold-drawing mould of different diameters when certain, and then has wasted the time of cold-drawing, has reduced intensity of labour, has improved the practicality of device.
Description
Technical Field
The invention relates to the technical field of steel pipe cold-drawing machine accessories, in particular to a cold-drawing rotary table of a steel pipe.
Background
The cold drawing machine can be roughly divided into three-seat separation type and frame type according to the structure mode of a machine body, and can be divided into various types of drawing machines such as chain type, hydraulic transmission type, rack type, screw rod type and the like according to the transmission mode, and the drawing trolley is supported by two I-shaped guide rails and is driven by a main oil cylinder to run along the I-shaped guide rails. The main oil cylinder and the drawing trolley can be axially fixed with the trolley body through the adjustable split piston, when a steel pipe is drawn, the core rod is firstly inserted into an inner hole of the pipe, then the core head is installed, and then the front end of the steel pipe which is inserted with the core head is pushed out of the drawing die seat. And starting the pre-tightening cylinder to enable the threading die to clamp the steel pipe, enabling the drawing trolley to be at the initial position, and starting the main oil cylinder to start drawing. When the drawing is finished, the pre-tightening cylinder acts, the threading die loosens the steel pipe fork head to push the drawn finished pipe to be separated from the vehicle body, meanwhile, the sliding block moves in the opposite direction, so that the plug head rapidly exits from the pipe to facilitate smooth blanking, and the cold drawing disc is an important component of the cold drawing machine, so that research on the cold drawing disc is necessary.
And present common cold drawing dish when carrying out the cold drawing to the steel pipe, often can not change different cold drawing moulds, even a small amount of cold drawing moulds can be changed, but comparatively loaded down with trivial details, and the cold drawing mould is fixed and is stable inadequately on the cold drawing dish, and the cold drawing dish can not carry out secondary cold drawing processing to the steel pipe and adjust for the efficiency of cold drawing is lower, for this reason we propose the cold drawing carousel of a steel pipe.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cold-drawing turntable for a steel pipe, which has the advantages of high cold-drawing efficiency, convenience in adjustment and the like, and solves the problems that different cold-drawing dies cannot be replaced frequently when the cold-drawing turntable is used for cold-drawing the steel pipe, a few cold-drawing dies can be replaced, but the cold-drawing dies are complicated, the cold-drawing dies are not stably fixed on the cold-drawing turntable, and the cold-drawing turntable cannot be used for secondary cold-drawing processing adjustment on the steel pipe, so that the cold-drawing efficiency is low.
(II) technical scheme
In order to realize the purposes of high pulling efficiency and convenient adjustment, the invention provides the following technical scheme: a cold-drawing turntable of a steel pipe comprises a cold-drawing turntable, wherein a clamping groove is formed in the bottom of the cold-drawing turntable, two limiting fixed loop bars which are positioned on the inner wall of the clamping groove are fixedly connected to the bottom of the cold-drawing turntable, an extrusion cold-drawing die is arranged inside the clamping groove, two symmetrical positioning blocks are fixedly connected to two sides of the bottom of the extrusion cold-drawing die respectively, the two positioning blocks are positioned inside the clamping groove, a hollow cavity sleeve groove is formed in the bottom of the extrusion cold-drawing die, a fastening bolt is arranged in the middle of the bottom ends of the two positioning blocks, a cold-drawing machine sleeve plate is fixedly sleeved on the outer portion of the cold-drawing turntable, a sliding groove is formed in the top of the cold-drawing turntable, the two sliding grooves are symmetrical to each other by taking the axis of the cold-drawing turntable as a symmetrical center, and the inner walls of the sliding grooves are fixedly connected through, the top of cold drawing carousel is provided with the secondary cold drawing mould that is located the sliding tray, the top fixed connection of the both ends of connecting block and sliding block is passed through to the bottom of secondary cold drawing mould, one side of sliding block is connected with the lateral wall transmission of sliding tray through the expanding spring that is located on the connecting rod, secondary cavity cover groove has been seted up to one side of secondary cold drawing mould, and two secondary cavity cover grooves constitute a circle, one side fixedly connected with locating plate of secondary cold drawing mould, the equal fixedly connected with in both sides at cold drawing carousel top is located the mounting plate of secondary cold drawing mould one side, one side screw thread cover of mounting plate is equipped with closing device, closing device one end extend to the inside of locating plate and with the inside activity suit of locating plate.
Preferably, the compressing device comprises a compressing rod, the compressing rod is sleeved on one side of the fastening plate in a threaded mode, one end, far away from the secondary cold-drawing die, of the compressing rod is fixedly connected with a torsion block, one end of the compressing rod extends to the other end of the fastening plate and is fixedly connected with one side of the extrusion block, and the extrusion block is located inside the positioning plate.
Preferably, the cold-drawing turntable and the bottom of the positioning block are both provided with internal threads matched with the fastening bolts, the bottom of the positioning block is sleeved with the fastening bolts, and one ends of the fastening bolts extend into the cold-drawing turntable.
Preferably, the two sides of the top of the extrusion cold-drawing die are both provided with clamping grooves matched with the limiting fixed loop bars, and the bottom of the limiting fixed loop bars is clamped inside the clamping grooves formed in the top of the extrusion cold-drawing die.
Preferably, the size of sliding block and the size looks adaptation of sliding tray, and sliding block activity suit is in the inside of sliding tray, the bottom of sliding block and the bottom sliding connection of sliding tray.
preferably, the shape of the hollow cavity sleeve groove is horn-shaped, and the diameter value of the hollow cavity sleeve groove is reduced from bottom to top in sequence.
(III) advantageous effects
Compared with the prior art, the invention provides a cold-drawing turntable of a steel pipe, which has the following beneficial effects:
1. This cold-drawing carousel of steel pipe uses through spacing fixed loop bar, locating piece and fastening bolt's cooperation, is convenient for carry on spacing fixedly to extrusion cold-drawing mould for extrusion cold-drawing mould is fixed more firm, is convenient for change different extrusion cold-drawing moulds simultaneously, has avoided comparatively loaded down with trivial details change process, and then influences the efficiency of cold-drawing, has improved the efficiency of cold-drawing.
2. This cold-drawing carousel of steel pipe uses through secondary cold-drawing mould, sliding block and closing device's cooperation, is convenient for carry out secondary cold-drawing to the steel pipe and adjusts, has avoided the diameter of extrusion cold-drawing mould to need change the extrusion cold-drawing mould of different diameters when certain, and then has wasted the time of cold-drawing, has reduced intensity of labour, has improved the practicality of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural diagram of the pressing device of the present invention.
In the figure: 1 cold drawing turntable, 2 clamping grooves, 3 limiting fixed sleeve rods, 4 extruding cold drawing dies, 5 positioning blocks, 6 hollow cavity sleeve grooves, 7 fastening bolts, 8 cold drawing machine sleeve plates, 9 sliding grooves, 10 connecting rods, 11 secondary cold drawing dies, 12 connecting blocks, 13 sliding blocks, 14 expansion springs, 15 secondary cavity sleeve grooves, 16 positioning plates, 17 fastening plates, 18 pressing devices, 181 pressing rods, 182 twisting blocks and 183 extruding blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a cold-drawing rotary table for steel pipes comprises a cold-drawing rotary table 1, wherein the bottoms of the cold-drawing rotary table 1 and a positioning block 5 are both provided with internal threads matched with fastening bolts 7, the bottom thread of the positioning block 5 is sleeved with the fastening bolts 7, one end of each fastening bolt 7 extends into the cold-drawing rotary table 1, the extrusion cold-drawing dies 4 are conveniently fixed through the fastening bolts 7, so that the extrusion cold-drawing dies 4 are more stably fixed, meanwhile, different extrusion cold-drawing dies 4 are conveniently replaced, the practicability of the device is improved, the bottom of the cold-drawing rotary table 1 is provided with a clamping groove 2, the bottom of the cold-drawing rotary table 1 is fixedly connected with two limiting fixing sleeve rods 3 positioned on the inner wall of the clamping groove 2, the extrusion cold-drawing dies 4 are arranged inside the clamping groove 2, and clamping grooves matched with the limiting fixing sleeve rods 3 are respectively arranged on the two sides of the tops of the, the bottom of the limiting fixed loop bar 3 is clamped in a clamping groove formed in the top of the extrusion cold-drawing die 4, the limiting fixed loop bar 3 and the clamping groove formed in the top of the extrusion cold-drawing die 4 are matched for use, the extrusion cold-drawing die 4 is convenient to position, the device is fixed more stably, two symmetrical positioning blocks 5 are fixedly connected to two sides of the bottom of the extrusion cold-drawing die 4, the two positioning blocks 5 are positioned in the clamping groove 2, a hollow cavity sleeve groove 6 is formed in the bottom of the extrusion cold-drawing die 4, the hollow cavity sleeve groove 6 is horn-shaped, the diameter value of the hollow cavity sleeve groove 6 is sequentially reduced from bottom to top, the extrusion of the extrusion cold-drawing die 4 on the steel pipe is ensured, the steel pipe is gradually reduced, the cold-drawing efficiency is improved, the fastening bolts 7 are arranged in the middle of the bottoms of the two positioning blocks 5, and a cold-drawing machine sleeve plate 8 is fixedly sleeved on the outer portion of the cold-, the top of the cold-drawing rotary table 1 is provided with two sliding grooves 9, the two sliding grooves 9 are mutually symmetrical by taking the axis of the cold-drawing rotary table 1 as a symmetrical center, the inner walls of the sliding grooves 9 are fixedly connected with the two ends of a connecting rod 10, the top of the cold-drawing rotary table 1 is provided with a secondary cold-drawing die 11 positioned on the sliding grooves 9, the bottom of the secondary cold-drawing die 11 is fixedly connected with the top of a sliding block 13 by the two ends of a connecting block 12, the size of the sliding block 13 is matched with that of the sliding grooves 9, the sliding block 13 is movably sleeved in the sliding grooves 9, the bottom of the sliding block 13 is slidably connected with the bottom of the sliding grooves 9, so that the extrusion cold-drawing die 4 is conveniently limited and fixed, the extrusion cold-drawing die 4 is more stably fixed, meanwhile, different extrusion cold-drawing dies 4 can be conveniently replaced, more complicated replacing processes are avoided, and the cold-drawing efficiency, the cold drawing efficiency is improved, one side of the sliding block 13 is in transmission connection with the side wall of the sliding groove 9 through a telescopic spring 14 positioned on the connecting rod 10, one side of the secondary cold drawing die 11 is provided with a secondary cavity sleeve groove 15, the two secondary cavity sleeve grooves 15 form a circle, one side of the secondary cold drawing die 11 is fixedly connected with a positioning plate 16, two sides of the top of the cold drawing rotary table 1 are fixedly connected with a fastening plate 17 positioned on one side of the secondary cold drawing die 11, one side of the fastening plate 17 is in threaded sleeve connection with a pressing device 18, the pressing device 18 comprises a pressing rod 181, the pressing rod 181 is in threaded sleeve connection with one side of the fastening plate 17, one end of the pressing rod 181 far away from the secondary cold drawing die 11 is fixedly connected with a torsion block 182, one end of the pressing rod 181 extends to the other end of the fastening plate 17 and is fixedly connected with one side of the extrusion block 183, and the extrusion block 183 is, the diameter of the extrusion cold-drawing die 4 is avoided from needing to be changed into the extrusion cold-drawing die 4 with different diameters at a certain time, so that the cold-drawing time is wasted, the labor intensity is reduced, the practicability of the device is improved, and one end of the pressing device 18 extends to the inside of the positioning plate 16 and is sleeved with the inside of the positioning plate 16.
During operation, at first place extrusion cold drawing mould 4 in the inside of joint groove 2 for spacing fixed loop bar 3 passes the draw-in groove at extrusion cold drawing mould 4 top, fastens extrusion cold drawing mould 4 through fastening bolt 7, when needs further regulation, the piece 182 is turned round in the wrench movement makes compressing rod 181 rotate on mounting plate 17, and extrusion piece 183 extrudes locating plate 16 and secondary cold drawing mould 11, makes sliding block 13 slide in the inside of sliding tray 9, adjusts the bore of this cold driver plate, can.
In conclusion, the cold-drawing turntable 1 of the steel pipe is convenient for limiting and fixing the extrusion cold-drawing die 4 by matching the limiting and fixing sleeve rod 3, the positioning block 5 and the fastening bolt 7, so that the extrusion cold-drawing die 4 is more stably fixed, meanwhile, different extrusion cold-drawing dies 4 are convenient to replace, a more complicated replacement process is avoided, the cold-drawing efficiency is further influenced, and the cold-drawing efficiency is improved; the secondary cold-drawing die 11, the sliding block 13 and the pressing device 18 are matched for use, so that secondary cold-drawing adjustment can be conveniently carried out on the steel pipe, the situation that the extrusion cold-drawing die 4 with different diameters needs to be replaced when the diameter of the extrusion cold-drawing die 4 is fixed is avoided, cold-drawing time is further wasted, labor intensity is reduced, and practicability of the device is improved; the problem of cold drawing dish when carrying out the cold drawing to the steel pipe, often can not change different cold drawing moulds, a small number of cold drawing moulds can be changed, but comparatively loaded down with trivial details, and the cold drawing mould is fixed and is stable inadequately on the cold drawing dish, and the cold drawing dish can not carry out secondary cold drawing processing to the steel pipe and adjust for the efficiency of cold drawing is lower is solved.
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cold drawing carousel of steel pipe, includes cold drawing carousel (1), its characterized in that: the cold-drawing rotary table is characterized in that a clamping groove (2) is formed in the bottom of the cold-drawing rotary table (1), two limiting fixed loop bars (3) positioned on the inner wall of the clamping groove (2) are fixedly connected to the bottom of the cold-drawing rotary table (1), an extrusion cold-drawing die (4) is arranged in the clamping groove (2), two symmetrical positioning blocks (5) are fixedly connected to two sides of the bottom of the extrusion cold-drawing die (4), the two positioning blocks (5) are positioned in the clamping groove (2), a hollow cavity sleeve groove (6) is formed in the bottom of the extrusion cold-drawing die (4), fastening bolts (7) are arranged in the middle of the bottom ends of the two positioning blocks (5), a cold-drawing machine sleeve plate (8) is fixedly sleeved on the outer portion of the cold-drawing rotary table (1), a sliding groove (9) is formed in the top of the cold-drawing rotary table (1), and the number of the, two the axle center that sliding tray (9) used cold drawing carousel (1) is the mutual symmetry of symmetry center, the inner wall of sliding tray (9) passes through the both ends fixed connection of connecting rod (10), the top of cold drawing carousel (1) is provided with secondary cold drawing mould (11) that are located on sliding tray (9), the top fixed connection of both ends and sliding block (13) of connecting block (12) is passed through to the bottom of secondary cold drawing mould (11), one side of sliding block (13) is connected with the lateral wall transmission of sliding tray (9) through being located expanding spring (14) on connecting rod (10), secondary cavity cover groove (15) have been seted up to one side of secondary cold drawing mould (11), and two secondary cavity cover grooves (15) constitute a circle, one side fixedly connected with locating plate (16) of secondary cold drawing mould (11), the equal fixedly connected with in both sides at cold drawing carousel (1) top has mounting plate (17) that are located one side of secondary cold drawing mould (11) One side of the fastening plate (17) is sleeved with a pressing device (18) through threads, and one end of the pressing device (18) extends to the inside of the positioning plate (16) and is movably sleeved with the inside of the positioning plate (16).
2. A cold-drawn rotary table for steel pipes according to claim 1, characterized in that: the pressing device (18) comprises a pressing rod (181), the pressing rod (181) is sleeved on one side of the fastening plate (17) in a threaded mode, one end of the pressing rod (181) far away from the secondary cold drawing die (11) is fixedly connected with a torsion block (182), one end of the pressing rod (181) extends to the other end of the fastening plate (17) and is fixedly connected with one side of an extrusion block (183), and the extrusion block (183) is located inside the positioning plate (16).
3. A cold-drawn rotary table for steel pipes according to claim 1, characterized in that: the cold-drawing rotary table is characterized in that inner threads matched with the fastening bolts (7) are formed in the bottoms of the cold-drawing rotary table (1) and the positioning block (5), the fastening bolts (7) are sleeved on the bottom threads of the positioning block (5), and one ends of the fastening bolts (7) extend to the inside of the cold-drawing rotary table (1).
4. A cold-drawn rotary table for steel pipes according to claim 1, characterized in that: the clamping grooves matched with the limiting fixed loop bars (3) are formed in the two sides of the top of the extrusion cold-drawing die (4), and the bottom of each limiting fixed loop bar (3) is clamped in the clamping grooves formed in the top of the extrusion cold-drawing die (4).
5. A cold-drawn rotary table for steel pipes according to claim 1, characterized in that: the size of sliding block (13) and the size looks adaptation of sliding tray (9), and sliding block (13) activity suit is in the inside of sliding tray (9), the bottom of sliding block (13) and the bottom sliding connection of sliding tray (9).
6. A cold-drawn rotary table for steel pipes according to claim 1, characterized in that: the shape of hollow cavity cover groove (6) is loudspeaker form, and the diameter value of hollow cavity cover groove (6) reduces by supreme down in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810591155.5A CN110576066A (en) | 2018-06-10 | 2018-06-10 | Cold-drawing rotary table for steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810591155.5A CN110576066A (en) | 2018-06-10 | 2018-06-10 | Cold-drawing rotary table for steel pipes |
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| Publication Number | Publication Date |
|---|---|
| CN110576066A true CN110576066A (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810591155.5A Pending CN110576066A (en) | 2018-06-10 | 2018-06-10 | Cold-drawing rotary table for steel pipes |
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| CN (1) | CN110576066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425570A (en) * | 2022-03-18 | 2022-05-03 | 浙江三基钢管有限公司 | Cold drawing die |
-
2018
- 2018-06-10 CN CN201810591155.5A patent/CN110576066A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425570A (en) * | 2022-03-18 | 2022-05-03 | 浙江三基钢管有限公司 | Cold drawing die |
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