CN216540255U

CN216540255U - Drawing device for steel pipe production

Info

Publication number: CN216540255U
Application number: CN202123186957.4U
Authority: CN
Inventors: 陈世达; 初鸿洋; 王振; 张强
Original assignee: Linqing Xinyuan Special Steel Pipe Manufacturing Co ltd
Current assignee: Linqing Xinyuan Special Steel Pipe Manufacturing Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-17
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to a drawing device, in particular to a drawing device for steel pipe production. It includes draw gear and the adjusting device of setting in the draw gear top, draw gear includes the brace table, the both sides of brace table top one end all are provided with the curb plate, two both ends between the curb plate all rotate and are connected with the connecting axle, in this draw gear is used in the steel pipe production, through the fixed plate that sets up, steel pipe diameter grow leads to the slide to shift up, the slide shifts up and promotes solid fixed ring through the follower lever and removes, gu fixed ring removes and promotes the arc through the arc piece, make the inner wall connection of a plurality of arcs, realize the secondary undergauge of steel pipe and handle, so that need not shut down the device and operate, solved present draw gear and can't detect the aperture in the nib at the during operation, and can only shut down draw gear and just can change it when the nib appears the grow, and then influence the problem of the efficiency of drawing.

Description

Drawing device for steel pipe production

Technical Field

The utility model relates to a drawing device, in particular to a drawing device for steel pipe production.

Background

Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are classified into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high-pressure equipment and the like according to the application.

The steel pipe need draw the processing to it when production, penetrate the diameter with the steel pipe in being less than the nib of steel pipe, then pull out the steel pipe through drive mechanism, can realize the processing drawn to the steel pipe undergauge, however, the friction between steel pipe removal and the nib can lead to the aperture grow of nib, when the aperture is too big, the steel pipe precision will produce the change, but present drawing device can't detect the aperture of nib at the during operation, and can only shut down drawing device and just can change it when the grow appears in the nib, and then the efficiency of drawing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drawing device for producing a steel pipe, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides a drawing device for steel pipe production, which comprises a traction device and an adjusting device arranged above the traction device, wherein the traction device comprises a supporting table, two sides of one end of the top of the supporting table are respectively provided with a side plate, two ends between the two side plates are respectively and rotatably connected with a connecting shaft, one end of one connecting shaft is connected with a driving motor, the driving motor is arranged on the outer wall of the side plate, two ends of the connecting shaft are provided with chain wheels, the outer wall between every two chain wheels is meshed with a chain, the outer wall of the chain is connected with a connecting rod, one end of the connecting rod is connected with a sleeve, the top of the sleeve is in threaded connection with a threaded rod, the adjusting device comprises an installation plate and a fixing plate, the installation plate is fixed at one end of the top of the supporting table, the side wall of the installation plate is provided with a through hole, a die ring is arranged in the through hole, a slide way is arranged above the die ring, slide in the slide and be provided with the slide, the lateral wall of slide is the slope setting, the fixed plate is fixed at the top of brace table and is located between mounting panel and the sleeve pipe, the perforation has been seted up to the lateral wall of fixed plate, the fixed plate lateral wall is located fenestrate periphery and is provided with the fixed axle, the fixed axle outer wall rotates and is connected with a plurality of arcs, and is a plurality of the inner wall is circular setting between the arc, the outer wall of arc is provided with the arc piece, arc piece top is the slope setting, the outer wall circle of arc piece is provided with solid fixed ring, be provided with the telescopic link between solid fixed ring and the fixed plate, solid fixed ring's one side is provided with the driven lever, driven lever one end is passed the fixed plate and rather than sliding connection.

As a further improvement of the technical scheme, one end, far away from the fixed plate, of the die ring is provided with a mounting ring, and the inner ring of the mounting ring is provided with a hairbrush.

As a further improvement of the technical scheme, the top of the driven rod is provided with a jack, a straight rod is arranged at the position, located at the penetrating position of the driven rod, of the top of the fixing plate in a sliding mode, the straight rod is in inserting fit with the jack, and the straight rod is matched with the straight rod in position.

As a further improvement of the technical scheme, a supporting plate is arranged at the top end of the straight rod, a tension spring is arranged at the bottom of the supporting plate, and the bottom end of the tension spring is connected with the top end of the fixing plate.

As a further improvement of the technical scheme, a magnet block is fixedly mounted on the side wall of the mounting plate and is positioned above the sliding plate.

As a further improvement of the technical scheme, a rotary groove is formed in one end of the driven rod, and a ball is rotationally arranged in the rotary groove.

As a further improvement of the technical scheme, the side wall of the die ring is provided with a graduated scale, and the side wall of the sliding plate is provided with a measuring plate matched with the graduated scale.

Compared with the prior art, the utility model has the beneficial effects that:

among this pulling device is used in steel pipe production, fixed plate through setting up, steel pipe diameter grow leads to the slide to shift up, the slide shifts up and promotes solid fixed ring through the follower lever and removes, gu fixed ring removes and promotes the arc through the arc piece, make the interior wall connection of a plurality of arcs, realize the secondary undergauge of steel pipe, so that need not shut down the device operation, solved present pulling device and can't detect the aperture of nib at the during operation, and can only shut down pulling device and just can change it when the grow appears in the nib, and then the problem of the efficiency of drawing is influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the draft gear of the present invention;

FIG. 3 is a schematic diagram of a mounting plate according to the present invention;

FIG. 4 is a second schematic diagram of the structure of the mounting plate of the present invention;

fig. 5 is a schematic structural view of a fixing plate according to the present invention.

The various reference numbers in the figures mean:

100. a traction device;

110. a support table; 111. a side plate; 112. a connecting shaft; 113. a drive motor; 114. a sprocket; 115. a chain; 116. a connecting rod; 117. a sleeve; 118. a threaded rod;

200. an adjustment device;

210. mounting a plate; 211. a mold ring; 212. a slideway; 213. a slide plate; 214. a magnet block; 215. a graduated scale; 216. measuring a plate; 217. a mounting ring; 218. a brush;

220. a fixing plate; 221. perforating; 222. a fixed shaft; 223. an arc-shaped plate; 224. an arc-shaped block; 225. a fixing ring; 226. a telescopic rod; 227. a driven lever; 228. a ball bearing;

230. a jack; 231. a straight rod; 232. a tension spring.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 5, the drawing device for steel pipe production according to the present embodiment includes a traction device 100 and an adjusting device 200 disposed above the traction device 100, the traction device 100 includes a support table 110, two sides of one end of the top of the support table 110 are both provided with side plates 111, two ends between the two side plates 111 are both rotatably connected with a connecting shaft 112, one end of one connecting shaft 112 is connected with a driving motor 113, the driving motor 113 is mounted on the outer wall of the side plate 111, two ends of the connecting shaft 112 are provided with chain wheels 114, the outer wall between every two chain wheels 114 is engaged with a chain 115, the outer wall of the chain 115 is connected with a connecting rod 116, one end of the connecting rod 116 is connected with a sleeve 117, the top of the sleeve 117 is connected with a threaded rod 118 by a thread, the adjusting device 200 includes a mounting plate 210 and a fixing plate 220, the mounting plate 210 is fixed at one end of the top of the support table 110, a through hole is formed in the side wall of the mounting plate 210, the through hole is internally provided with a mold ring 211, considering that the diameter of the outer wall of the steel pipe can be enlarged after the mold ring 211 is worn, the side wall of the mounting plate 210 is positioned above the mold ring 211 and is provided with a slide rail 212, the slide rail 212 is internally provided with a slide plate 213 in a sliding way, the side wall of the slide plate 213 is obliquely arranged, the slide plate 213 is driven to move upwards through the enlargement of the diameter of the outer wall of the steel pipe, so as to realize the driving of the adjusting device 200 without manually operating the adjusting device 200, the fixing plate 220 is fixed at the top of the supporting table 110 and positioned between the mounting plate 210 and the sleeve 117, the side wall of the fixing plate 220 is provided with a through hole 221, the side wall of the fixing plate 220 is provided with a fixing shaft 222 at the periphery of the through hole 221, the outer wall of the fixing shaft 222 is rotatably connected with a plurality of arc plates 223, the inner wall among the arc plates 223 is circularly arranged, considering that the side wall of the arc plates 223 is flat, so that the fixing ring 225 can not apply pressure to the arc plates 223, the outer wall of the arc-shaped plate 223 is provided with an arc-shaped block 224, the top of the arc-shaped block 224 is obliquely arranged, the diameter of one end of the arc-shaped plate 223 is enlarged through the arc-shaped block 224, when the fixing ring 225 moves, the arc-shaped plate 223 is pressurized through the arc-shaped block 224, and then a plurality of arc-shaped plates 223 can be folded, the outer wall ring of the arc-shaped block 224 is provided with a fixing ring 225, a telescopic rod 226 is arranged between the fixing ring 225 and the fixing plate 220, the telescopic rod 226 is composed of a plurality of sliding connection round rods, one side of the fixing ring 225 is provided with a driven rod 227, one end of the driven rod 227 penetrates through the fixing plate 220 and is in sliding connection with the fixing plate, through the arranged fixing plate 220, the diameter of the steel pipe is enlarged to cause the sliding plate 213 to move upwards, the sliding plate 213 moves upwards through the driven rod 227 to push the fixing ring 225 to move, the fixing ring 225 pushes the reducing arc-shaped plate 223 through the arc-shaped block 224, so that the inner walls of the plurality of arc-shaped plates 223 are connected, and secondary treatment of the steel pipe is realized, so that no shutdown of the apparatus is required.

When the traction device 100 and the adjusting device 200 of this embodiment are used specifically, a steel pipe passes through the die ring 211 and the through hole 221, one end of the steel pipe is located in the sleeve 117, the threaded rod 118 is rotated to fix the steel pipe, the power supply of the driving motor 113 is switched on, the driving motor 113 drives the chain wheel 114 to rotate through the connecting shaft 112, the chain wheel 114 drives the chain 115 to rotate, the chain 115 drives the sleeve 117 to move through the connecting rod 116, the sleeve 117 moves to pull the steel pipe, the steel pipe moves in the die ring 211, further, the diameter of the steel pipe is reduced and drawn, when the die ring 211 is worn more and the aperture of the film hole is increased, the diameter of the outer ring of the steel pipe is increased, at this time, the outer wall of the steel pipe jacks up the sliding plate 213, the sliding plate pushes the driven rod 227 through the inclined plane, the driven rod 227 drives the fixing ring 225 to move, the fixing ring 225 moves through the inclined plane of the arc block 224 to force the plurality of arc plates 223 to be folded, the aperture produced after the folding is consistent with the aperture of the die ring 211 when the die ring is not worn, and the device does not need to be stopped and replaced.

In addition, in order to realize the cleaning of the steel pipe, one end of the die ring 211, which is far away from the fixing plate 220, is provided with a mounting ring 217, the inner ring of the mounting ring 217 is provided with a brush 218, the outer wall of the steel pipe is cleaned through the brush 218, the contact between impurities on the outer wall of the steel pipe and the die ring 211 is reduced, and the abrasion of the die ring 211 is further reduced.

Further, in order to realize the fixation of the fixing ring 225, the jack 230 has been seted up at the top of the driven rod 227, the top of the fixing plate 220 is located the position where the driven rod 227 passes and slides and is provided with the straight rod 231, the straight rod 231 is in insertion fit with the jack 230, and the straight rod 231 matches with the straight rod 231 in position, it is hard to consider the steel pipe, lead to the arc 223 to need great pressure, for this reason, the driven rod 227 drives the jack 230 and moves to under the straight rod 231 bottom, at this moment, the straight rod 231 moves down to the jack 230 by gravity, catch the driven rod 227, realize the fixation of the fixing ring 225, so that need not continuously push the driven rod 227 through the slide plate 213.

Further, in order to increase the falling speed of the straight rod 231, a supporting plate is disposed at the top end of the straight rod 231, a tension spring 232 is disposed at the bottom of the supporting plate, and the bottom end of the tension spring 232 is connected to the top end of the fixing plate 220, so that the falling speed of the straight rod 231 is increased by the tension spring 232 in consideration of a certain frictional resistance between the straight rod 231 and the fixing plate 220, so that the straight rod 231 can enter the insertion hole 230 at the first time.

In addition, in order to prevent the sliding plate 213 from always contacting the steel pipe, the magnet block 214 is fixedly mounted on the side wall of the mounting plate 210, the magnet block 214 is located above the sliding plate 213, and considering that the sliding plate 213 does not need to provide thrust to the driven rod 227 when the driven rod 227 is clamped, when the sliding plate 213 moves upwards, the sliding plate 213 and the magnet block 214 are closer, the magnet block 214 sucks the sliding plate 213, and the sliding plate 213 cannot move downwards to contact the steel pipe at this time, so that the abrasion between the sliding plate 213 and the steel pipe is reduced.

Furthermore, in order to reduce the friction force between the driven rod 227 and the sliding plate 213, a rotating groove is formed at one end of the driven rod 227, a ball 228 is rotatably disposed in the rotating groove, the contact area between the sliding plate 213 and the driven rod 227 is reduced by the disposed ball 228, and the ball 228 rotates by the friction force, thereby reducing the friction force between the driven rod 227 and the sliding plate 213.

Further, in order to realize quick check of the wear degree of the mold ring 211, the scale 215 is provided on the sidewall of the mold ring 211, the measurement plate 216 matched with the scale 215 is provided on the sidewall of the sliding plate 213, and an additional tool is required for measuring the aperture of the mold ring 211.

When the drawing device for steel pipe production is used, a steel pipe passes through the die ring 211 and the through hole 221, one end of the steel pipe is positioned in the sleeve 117, the threaded rod 118 is rotated to fix the steel pipe, the driving motor 113 is connected with a power supply, the driving motor 113 drives the chain wheel 114 to rotate through the connecting shaft 112, the chain wheel 114 drives the chain 115 to rotate, the chain 115 drives the sleeve 117 to move through the connecting rod 116, the sleeve 117 moves to pull the steel pipe, the steel pipe moves in the die ring 211, further the diameter of the steel pipe is reduced and drawn, when the die ring 211 is worn greatly and the aperture of a film hole is enlarged, the diameter of the outer ring of the steel pipe is enlarged, the outer wall of the steel pipe jacks up the sliding plate 213, when the sliding plate 213 moves upwards, the sliding plate 213 is close to the magnet block 214, the magnet block 214 sucks the sliding plate 213, at the time, the sliding plate 213 cannot move downwards to contact with the steel pipe, the sliding plate 213 pushes the rod 227 through the driven inclined plane, driven lever 227 drives solid fixed ring 225 and moves, and when driven lever 227 driven jack 230 moved to under the straight-bar 231 bottom, straight-bar 231 moved down to jack 230 by gravity this moment, blocked out driven lever 227, realized fixing solid fixed ring 225, and solid fixed ring 225 moved and forced a plurality of arcs 223 to fold through the inclined plane of arc piece 224, and the aperture that produces after folding was unanimous with the aperture when mould ring 211 did not wear out, and then need not carry out the shut down change to the device.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Drawing device is used in steel pipe production, its characterized in that: the traction device comprises a traction device (100) and an adjusting device (200) arranged above the traction device (100), wherein the traction device (100) comprises a supporting table (110), side plates (111) are arranged on two sides of one end of the top of the supporting table (110), two ends between the two side plates (111) are rotatably connected with connecting shafts (112), one end of one connecting shaft (112) is connected with a driving motor (113), the driving motor (113) is arranged on the outer wall of each side plate (111), chain wheels (114) are arranged at two ends of each connecting shaft (112), a chain (115) is meshed with the outer wall between every two chain wheels (114), the outer wall of each chain (115) is connected with a connecting rod (116), one end of each connecting rod (116) is connected with a sleeve (117), the top of each sleeve (117) is in threaded connection with a threaded rod (118), the adjusting device (200) comprises a mounting plate (210) and a fixing plate (220), the one end at brace table (110) top is fixed in mounting panel (210), the through-hole has been seted up to mounting panel (210) lateral wall, is provided with mould ring (211) in the through-hole mounting panel (210) lateral wall is located mould ring (211) top and is provided with slide (212), it is provided with slide (213) to slide in slide (212), the lateral wall of slide (213) is the slope setting, fixed plate (220) are fixed at the top of brace table (110) and are located between mounting panel (210) and sleeve pipe (117), perforation (221) have been seted up to the lateral wall of fixed plate (220), the periphery that fixed plate (220) lateral wall is located perforation (221) is provided with fixed axle (222), fixed axle (222) outer wall rotation is connected with a plurality of arc (223), and is a plurality of the inner wall is circular setting between arc (223), the outer wall of arc (223) is provided with arc piece (224), the arc piece (224) top is the slope setting, the outer wall circle of arc piece (224) is provided with solid fixed ring (225), be provided with telescopic link (226) between solid fixed ring (225) and fixed plate (220), one side of solid fixed ring (225) is provided with driven lever (227), fixed plate (220) are passed and rather than sliding connection to driven lever (227) one end.

2. The drawing device for steel pipe production according to claim 1, characterized in that: and one end of the die ring (211), which is far away from the fixed plate (220), is provided with a mounting ring (217), and the inner ring of the mounting ring (217) is provided with a hairbrush (218).

3. The drawing device for steel pipe production according to claim 1, characterized in that: the top of the driven rod (227) is provided with a jack (230), the top of the fixing plate (220) is provided with a straight rod (231) in a sliding manner at the penetrating part of the driven rod (227), the straight rod (231) is in splicing fit with the jack (230), and the straight rod (231) is matched with the straight rod (231) in position.

4. The drawing device for steel pipe production according to claim 3, characterized in that: the top of straight-bar (231) is provided with the backup pad, and the bottom of backup pad is provided with tension spring (232), the bottom and the fixed plate (220) top of tension spring (232) are connected.

5. The drawing device for steel pipe production according to claim 3, characterized in that: the mounting panel (210) lateral wall fixed mounting has magnet piece (214), magnet piece (214) are located the top of slide (213).

6. The drawing device for steel pipe production according to claim 1, characterized in that: a rotary groove is formed in one end of the driven rod (227), and a ball (228) is arranged in the rotary groove in a rotating mode.

7. The drawing device for steel pipe production according to claim 1, characterized in that: the side wall of the die ring (211) is provided with a graduated scale (215), and the side wall of the sliding plate (213) is provided with a measuring plate (216) matched with the graduated scale (215).