CN107716575B - Metal tube drawing equipment - Google Patents
Metal tube drawing equipment Download PDFInfo
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- CN107716575B CN107716575B CN201710883327.1A CN201710883327A CN107716575B CN 107716575 B CN107716575 B CN 107716575B CN 201710883327 A CN201710883327 A CN 201710883327A CN 107716575 B CN107716575 B CN 107716575B
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- screw rod
- die
- base
- sliding block
- large sliding
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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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
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- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
A metal tube drawing device is characterized in that the bottoms of two supports are arranged on a base, support pressing blocks are fixed at the tops of the two supports, and a vertical moving device is arranged below the support pressing blocks; the vertical moving device comprises a vertical screw rod, a pressing block on the screw rod and a large sliding block; the large sliding block is arranged between the two brackets, two ends of the large sliding block slide up and down along the brackets on two sides, the pressing block on the screw rod is positioned above the large sliding block, the screw rod brackets are fixed on two sides of the pressing block on the screw rod, and the horizontal worm is arranged between the two screw rod brackets; a worm wheel is arranged on the large sliding block through a bearing seat and meshed with the worm; the vertical screw rod is arranged on the screw rod pressing block and penetrates through the bracket pressing block; the surface of the worm wheel is provided with a drawing die. The invention can be used for drawing various tube types or obtaining different tube types, and has high degree of freedom; the drawing equipment combines pipe making, straightening and drawing into a procedure, has small drawing resistance and does not need additional power; two working procedures are reduced, the production efficiency is improved, the economic benefit is high, and the cost is low.
Description
Technical Field
The invention relates to metal tube drawing equipment, and belongs to the field of drawing devices.
Background
At present, the drawing pipe receives the influence of mould and pipe fitting, and tubulation, drawing and straightening are accomplished respectively in three processes, like this, at first make the pipe earlier, then need cut the pipe that makes, draw again, and the tubular metal resonator after the cutting is drawn by root again, and the main problem is as follows: (1) the traditional drawing equipment needs to cut the manufactured metal pipe, then the cut metal pipe is moved to the drawing equipment to be drawn, and heading processing is carried out before drawing every time. And the metal tube is required to be driven to advance by clamping in the drawing process. The process is complicated and the production efficiency is low; (2) the drawing of a round pipe or a similar round pipe can be only carried out, and the drawing difficulty of a rectangular pipe is huge.
Disclosure of Invention
The invention provides a metal tube drawing device aiming at the defects in the prior art and aims to solve the problems of complex process, low efficiency and limited drawing tube shape of the conventional drawing device.
The technical scheme for solving the technical problems is as follows: a metal tube drawing device comprises a base and two supports, wherein the bottoms of the two supports are arranged on the base, support pressing blocks are fixed at the tops of the two supports, and a vertical moving device is arranged below the support pressing blocks; the vertical moving device comprises a vertical screw rod, a pressing block on the screw rod and a large sliding block; the large sliding block is arranged between the two brackets, two ends of the large sliding block slide up and down along the brackets on two sides, the pressing block on the screw rod is positioned above the large sliding block, the screw rod brackets are fixed on two sides of the pressing block on the screw rod, and the horizontal worm is arranged between the two screw rod brackets; a worm wheel is arranged on the large sliding block through a bearing seat, and the worm wheel is meshed with the worm; the vertical screw rod is arranged on the screw rod pressing block and penetrates through the bracket pressing block; the surface mounting of worm wheel has drawing die, drawing die and the center of worm wheel correspond, all are equipped with the hole that supplies the tubular metal resonator to pass through.
Through above-mentioned technical scheme, vertical mobile device can drive draws the part, including reciprocating of drawing die, the worm can drive the worm wheel and rotate, and then drives drawing die and rotate, realizes drawing die's multi-direction motion jointly, adjusts drawing of tubular metal resonator.
The invention is further arranged in such a way that the cross section of the large sliding block is I-shaped, and two I-shaped bayonets are clamped on the bracket.
Through above-mentioned technical scheme, the both sides card of big slider plays support, direction and spacing effect on the support, guarantees the stability of whole equipment.
The invention is further arranged that the drawing die comprises two first forming dies and two second forming dies, the connecting line of the two first forming dies is vertical to the connecting line of the two second forming dies, and a die support is arranged between the first forming dies and the second forming dies; the first forming die and the second forming die are respectively arranged on the two die supports on the two sides.
Through the technical scheme, the four forming dies are arranged to form the four-wheel drawing die, the four forming dies can be arranged, the problem that a round pipe or a steel pipe close to the round pipe can only be drawn in the past can be solved by adjusting the inlet and the outlet according to the shape of the mother pipe with high degree of freedom, and the purpose that the square pipe is drawn or drawn to obtain the square pipe is achieved. The four-wheel drawing die reduces the drawing resistance due to the four-wheel arrangement, thereby solving the power problem of the pipe making machine during on-line drawing, realizing the straightening of the steel pipe through the vertical and horizontal movement of the screw rod and the rotation of the turbine, and finally combining the pipe making, drawing and straightening into a process.
The invention is further arranged that the mould bracket comprises two mounting plates with a symmetrical angle of 45 degrees, a groove is arranged on the mounting plates, a mould shaft is arranged in the groove, and the first forming mould and the second forming mould are respectively arranged between the two parallel mounting plates of the two mould brackets at two sides through the mould shaft; the mounting panel top is connected with mould axle briquetting, passes mould axle briquetting and is equipped with limiting screw, limiting screw is connecting the mould axle.
Through the technical scheme, the spacing of the die shaft can be adjusted by adjusting the limiting screw, so that the shape and thickness of the drawing pipe can be adjusted, and the drawing pipe is flexible and convenient.
The invention is further provided that the bottoms of the two brackets are fixedly connected with a base, the base is connected with the base in a sliding manner, a screw rod positioning block is arranged on the base, a horizontal screw rod penetrates through the screw rod positioning block and the base, and the horizontal screw rod is parallel to the sliding direction of the base.
Through above-mentioned technical scheme, the base slidable for drawing die has realized the removal of horizontal direction, makes drawing die all can remove in all directions, and convenient in actual production is nimble, improves work efficiency.
The invention is further provided that a screw rod bracket corresponding to the position of the screw rod positioning block is arranged on the base, and a horizontal screw rod passes through the screw rod bracket.
Through the technical scheme, the rotation is converted into linear motion through the transmission of the screw rod, and the base is pushed to move.
The invention is further provided that the sliding connection is realized by arranging a guide rail on the base.
The invention is further arranged in such a way that the back surface of the large sliding block is connected with a die clamping plate, when a round tube is drawn, the die clamping plate is embedded into an annular round tube drawing die, the center of the round tube drawing die is provided with a hole for a metal tube to pass through, and a disc end cover is arranged on the die clamping plate.
Through above-mentioned technical scheme, the central of mould cardboard is through the drawing pipe, and the hole of mould cardboard can use circular, annular, oval or other shapes as required, can adjust the problem that the export was drawn into different shape steel pipes according to the shape of female pipe very high degree of freedom. For example, when a round pipe needs to be drawn, an annular drawing die is installed in the die clamping plate, the steel pipe is sized and formed through the annular drawing die, and the first forming die and the second forming die at the front end play a role in straightening.
The invention is further provided that the mould holder is cast integrally with the worm wheel, welded or bolted together.
In conclusion, the invention has the following beneficial effects:
(1) the four forming dies are arranged, so that the problem that the steel pipes can only be drawn into different shapes by round pipes in the prior art can be solved by adjusting the inlet and the outlet according to the shape of the main pipe, and the degree of freedom is very high;
(2) the four wheels of the four forming dies are arranged, so that the drawing resistance is reduced, the power problem of the pipe making machine during on-line drawing is solved, additional power is not required to be provided, and finally the pipe making, drawing and straightening can be combined into a process;
(3) two working procedures are reduced, the production efficiency is greatly improved, the technical problem that the square tube is pulled by the square tube is solved, and the problem that the small square tube cannot be straightened is solved;
(4) by combining the factors, compared with the prior art, the economic benefit is reduced by about 48 percent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a mold clamp and a disk end cap;
FIG. 3 is a schematic view of a mold carrier;
fig. 4 is a schematic view of the worm wheel.
Wherein, 1, a base; 2. a support; 3. pressing the bracket; 4. a vertical screw rod; 5. pressing blocks on the screw rods; 6. a large slider; 7. a vertical screw rod bracket; 8. a worm; 9. a bearing seat; 10. a worm gear; 11. a base; 12. a screw rod positioning block; 13. a horizontal screw rod; 14. a horizontal screw rod bracket; 15. a first molding die; 16. a second molding die; 17. a mold holder; 18. a disc end cover; 19. a groove; 20. a mold shaft; 21. pressing the mold shaft; 22. a limit screw; 23. and (5) clamping the mold.
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.
A metal tube drawing device comprises a base 1 and two supports 2, wherein the bottoms of the two supports 2 are arranged on the base 1, support pressing blocks 3 are fixed at the tops of the two supports 2, and a vertical moving device is arranged below the support pressing blocks 3; the vertical moving device comprises a vertical screw rod 4, a screw rod upper pressing block 5 and a large sliding block 6; the large sliding block 6 is arranged between the two brackets 2, two ends of the large sliding block 6 slide up and down along the brackets 2 on two sides, the lead screw upper pressing block 5 is positioned above the large sliding block 6, the vertical lead screw brackets 7 are fixed on two sides of the lead screw upper pressing block 5, and the horizontal worm 8 is arranged between the two vertical lead screw brackets 7; a worm wheel 10 is mounted on the large sliding block 6 through a bearing seat 9, and the structure of the worm wheel 10 is shown in figure 4. The worm wheel 10 is meshed with the worm 8; the vertical screw rod 4 is arranged on the screw rod pressing block 5 and penetrates through the support pressing block 3; the surface mounting of worm wheel 10 has drawing die, and drawing die and the center of worm wheel 10 correspond, all are equipped with the hole that supplies the tubular metal resonator to pass through.
Wherein, in order to realize that the both ends of big slider 6 can slide from top to bottom along both sides support 2, can set up big slider 6 for the cross section is the I-shaped shape, two bayonet sockets of I-shaped are blocked on support 2. Or two cover plates are connected on two surfaces of the large sliding block 6, the width of each cover plate is slightly larger than the width of each cover plate, and the cross sections of the cover plates and the sliding blocks are I-shaped and clamped on the brackets 2 on the two sides.
In order to facilitate the overall movement of the drawing die, it is provided as a horizontally movable device. Specifically, the bottom of the support 2 is fixedly connected with a base 11, the base 11 is connected with the base 1 in a sliding mode, a screw rod positioning block 12 is installed on the base 11, a horizontal screw rod 13 penetrates through the screw rod positioning block 12 and the base 11, and the horizontal screw rod 13 is parallel to the sliding direction of the base 11. A horizontal screw rod bracket 14 corresponding to the position of the screw rod positioning block 12 is arranged on the base 1, and a horizontal screw rod 13 passes through the horizontal screw rod bracket. The prior art capable of realizing sliding is many, and is not limited to the above-mentioned manner, for example, the sliding connection may be realized by providing a guide rail on the base 1.
The drawing die comprises two first forming dies 15 and two second forming dies 16, the first forming dies 15 and the second forming dies 16 are die wheels, the connecting line of the two first forming dies 15 is vertical to the connecting line of the two second forming dies 16, and a die support 17 is arranged between the first forming dies 15 and the second forming dies 16; the first molding die 15 and the second molding die 16 are respectively mounted on two die holders 17 on both sides. The whole equipment forms a four-wheel drawing die.
The structure of the mold support 17 is shown in fig. 3, the mold support 17 comprises two mounting plates with a symmetric angle of 45 degrees, a groove 19 is arranged on the mounting plates, a mold shaft is arranged in the groove 19, and the first forming mold 15 and the second forming mold 16 are respectively mounted between two parallel mounting plates of the two mold supports 17 on two sides through the mold shaft; the top of the mounting plate is connected with a mold shaft pressing block 21, a limit screw 22 is arranged through the mold shaft pressing block 21, and the limit screw 22 is connected with the mold shaft. The limit screw 22 is screwed clockwise, the mold shaft connected with the limit screw 22 is screwed, and the mold moves in the direction that the mold shaft is close to the limit screw 22. Conversely, when the limit screw 22 is screwed counterclockwise, the mold shaft connected with the limit screw 22 is loosened, and the mold shaft moves in a direction away from the limit screw 22.
The above-described mold bracket 17 and the worm wheel 10 may be integrally cast, welded, or bolted together. The process requirements of integral casting and welding are high, the connection through bolts is simpler, and the method is realized by respectively casting and then assembling.
As shown in fig. 2, a die clamping plate 23 is connected to the back of the large slide block 6, when a round tube is drawn, an annular round tube drawing die is embedded in the die clamping plate 6, a hole through which a metal tube passes is formed in the center of the round tube drawing die, and a disc end cover 18 is arranged on the die clamping plate 23. The center of the mold clamping plate 23 is provided with a drawing pipe, the hole of the mold clamping plate 23 can be in a circular shape, an annular shape, an oval shape or other shapes as required, and the outlet can be adjusted to be drawn into steel pipes in different shapes according to the shape of the mother pipe with high degree of freedom.
The invention can draw or draw the square tube to get the square tube by using four forming dies, and can draw the round tube, the annular tube or the similar tube by using the die clamping plate 23, therefore, the device can draw various tube types including the round tube and the square tube to get various tube types.
In a production workshop, the drawing equipment is applied to a pipe making machine, and after the pipe making machine is used for making a pipe, the metal pipe is pushed out and directly enters the drawing equipment of the invention, and the drawing equipment does not need to be cut and can be directly drawn after one-time heading.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A metal tube drawing apparatus characterized in that: the device comprises a base and two supports, wherein the bottoms of the two supports are arranged on the base, support pressing blocks are fixed at the tops of the two supports, and a vertical moving device is arranged below the support pressing blocks; the vertical moving device comprises a vertical screw rod, a pressing block on the screw rod and a large sliding block; the large sliding block is arranged between the two brackets, and two ends of the large sliding block slide up and down along the brackets on the two sides; the back of the large sliding block is connected with a die clamping plate, when a round tube is drawn, an annular round tube drawing die is embedded in the die clamping plate, a hole through which a metal tube passes is formed in the center of the round tube drawing die, and a disc end cover is arranged on the die clamping plate;
the screw rod upper pressing block is positioned above the large sliding block, screw rod brackets are fixed on two sides of the screw rod upper pressing block, and a horizontal worm is arranged between the two screw rod brackets; a worm wheel is arranged on the large sliding block through a bearing seat, and the worm wheel is meshed with the worm; the vertical screw rod is arranged on the screw rod pressing block and penetrates through the bracket pressing block; the surface of the worm wheel is provided with a drawing die, and the drawing die corresponds to the center of the worm wheel and is provided with holes for the metal pipe to pass through; the drawing die comprises two first forming dies and two second forming dies, the connecting line of the two first forming dies is vertical to the connecting line of the two second forming dies, and a die support is arranged between the first forming dies and the second forming dies; the first forming die and the second forming die are respectively arranged on the two die supports on the two sides; the die support comprises two mounting plates with a symmetric angle of 45 degrees, a groove is arranged on each mounting plate, a die shaft is arranged in each groove, and the first forming die and the second forming die are respectively mounted between the two parallel mounting plates of the two die supports on the two sides through the die shafts; the top of the mounting plate is connected with a die shaft pressing block, a limiting screw rod penetrates through the die shaft pressing block, and the limiting screw rod is connected with the die shaft;
the bottom fixedly connected with base of two the support, base and base sliding connection install the lead screw locating piece on the base, pass lead screw locating piece and base and be equipped with horizontal lead screw, and horizontal lead screw is on a parallel with base slip direction.
2. The metal tube drawing apparatus as claimed in claim 1, wherein: the cross section of the large sliding block is I-shaped, and two bayonet sockets of the I-shaped are clamped on the support.
3. The metal tube drawing apparatus as claimed in claim 1, wherein: and a screw rod bracket corresponding to the position of the screw rod positioning block is arranged on the base, and a horizontal screw rod passes through the screw rod bracket.
4. The metal tube drawing apparatus as claimed in claim 1, wherein: the sliding connection is realized by arranging a guide rail on the base.
5. The metal tube drawing apparatus as claimed in claim 1, wherein: the die support and the worm gear are integrally cast, welded or connected together through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883327.1A CN107716575B (en) | 2017-09-26 | 2017-09-26 | Metal tube drawing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883327.1A CN107716575B (en) | 2017-09-26 | 2017-09-26 | Metal tube drawing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716575A CN107716575A (en) | 2018-02-23 |
| CN107716575B true CN107716575B (en) | 2020-09-18 |
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ID=61207867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710883327.1A Active CN107716575B (en) | 2017-09-26 | 2017-09-26 | Metal tube drawing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107716575B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES472873A1 (en) * | 1978-08-28 | 1979-04-01 | Dorca Constr Mec | Rod profiling apparatus |
| DE2848990C2 (en) * | 1978-11-11 | 1985-07-25 | Kocks Technik Gmbh & Co, 4010 Hilden | Method and device for the production of tubular blanks |
| JP3532819B2 (en) * | 2000-03-07 | 2004-05-31 | 住友重機械工業株式会社 | Roll mill and roll mill row |
| CN204396539U (en) * | 2014-12-18 | 2015-06-17 | 东莞璋泰五金制品有限公司 | Straightening wheel support |
| CN205798017U (en) * | 2016-07-21 | 2016-12-14 | 江苏大明精密钣金有限公司 | A kind of band steel drawing forming mold |
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2017
- 2017-09-26 CN CN201710883327.1A patent/CN107716575B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107716575A (en) | 2018-02-23 |
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