CN209935544U

CN209935544U - Seamless steel tube drawing machine

Info

Publication number: CN209935544U
Application number: CN201920807647.3U
Authority: CN
Inventors: 赵忠
Original assignee: Shandong Jiahe Stainless Steel Co Ltd
Current assignee: Shandong Jiahe Stainless Steel Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-01-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a seamless steel pipe drawing machine, the on-line screen storage device comprises a rack, the one end of rack has the cross section to be the mounting bracket of U type structure through bolted connection, and the inside top of rack is connected with the sprocket that a plurality of equidistance distribute through the bearing, has cup jointed the drive chain between the outside of sprocket, the top both sides of rack all have the removal track through bolted connection, and two removal track tops have placed the traction table car, be connected with the connecting rod that a plurality of equidistance distribute through the bearing between the both sides inner wall of rack. The utility model discloses in, utilize spacing cylinder to hold up the bottom of drag chain, drag chain receives the pulling force change, when drag chain atress, produces to the spring and drags deformation, through the flexible effect of spring for drag chain is in the state of tightening all the time, can effectually avoid drag chain to take place the phenomenon emergence that drops in the course of the work, improves the stability of drawing the in-process.

Description

Seamless steel tube drawing machine

Technical Field

The utility model relates to a seamless steel pipe processing technology field especially relates to a seamless steel pipe drawbench.

Background

The seamless steel pipe is made of a whole metal, and the surface of the seamless steel pipe is seamless, so that the application range of the seamless steel pipe is wide. The general purpose seamless steel pipe is rolled by common carbon structural steel, low alloy structural steel or alloy structural steel, has the largest output, is mainly used as a pipeline or a structural part for conveying fluid, and has a hollow section. Compared with solid steel such as round steel, the steel pipe has the same bending strength and torsion strength and lighter weight, and is economical section steel.

The drawing machine is an industrial device composed of mechanical equipment, lubricating equipment, electrical equipment, hydraulic and pneumatic systems and the like, and is equipment for drawing metal materials. The drawbench is used for drawing metal at normal temperature, and in the seamless steel tube processing process, the drawbench applies pulling force to the seamless steel tube blank to enable the seamless steel tube blank to pass through a die hole of a die to obtain a seamless steel tube product with the same size and shape as the die hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a seamless steel tube drawing machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a seamless steel pipe drawing machine comprises a rack, wherein one end of the rack is connected with a mounting rack with a U-shaped cross section through a bolt, the top end of the inside of the rack is connected with a plurality of sprockets which are distributed equidistantly through bearings, a traction chain is sleeved between the outer sides of the sprockets, two sides of the top of the rack are both connected with moving tracks through bolts, a traction trolley is placed at the top ends of the two moving tracks, a plurality of connecting rods which are distributed equidistantly are connected between the inner walls of two sides of the rack through bearings, the bottom ends of the connecting rods are connected with two springs through bolts, a movable frame with an inverted U-shaped cross section is connected between the bottom ends of the two springs through bolts, two limiting rollers are connected between the inner walls of two sides of the movable frame through bearings, the traction chain is connected between the two limiting rollers in a rolling manner, and mounting, and be equipped with the mould fixing base between two mounting grooves, there is the mould inside of mould fixing base through bolted connection, there is driving motor one side of rack through bolted connection, and driving motor's output shaft passes through the shaft coupling and is connected with sprocket drive.

Preferably, one end of the traction trolley is hinged with a hooking part, an electric push rod is hinged between the top end of the hooking part and the traction trolley, and a fixing clamp is installed at one end of the traction trolley.

Preferably, the middle section of the limiting roller is provided with an annular groove structure.

Preferably, the top of the mounting rack is connected with a cover plate through a bolt, the center of the cover plate is screwed with an adjusting screw rod, and the bottom end of the adjusting screw rod is rotatably connected with the die fixing seat through a bearing.

Preferably, there are a plurality of step motor at one side top of rack through bolted connection, and there is the dwang on step motor's output shaft top through bolted connection, and there is the unloading driving lever in the outside of dwang through bolted connection.

Preferably, the mounting frame further comprises a box body mounted on the side face of the mounting frame through bolts, an oil storage cavity is formed in the bottom of the box body, and a conveying pump is connected to the bottom of one side of the box body through bolts.

Preferably, the top of box has the shower of arc structure through ripple calibrator and bolted connection, and the delivery pump's outlet end passes through hose and shower intercommunication.

Preferably, the top end of the inner part of the oil storage cavity is connected with a filter screen cover with a spherical structure through a hasp lock.

The utility model has the advantages that:

1. the utility model provides a seamless steel pipe drawbench, the below of drag chain is located between the spacing cylinder, utilize spacing cylinder to hold up drag chain, when using, drag chain's top is located a plurality of sprockets, drag chain's below is located between the spacing cylinder, when traction table car colludes with drag chain, utilize the bottom of spacing cylinder with drag chain to hold up, drag chain receives the pulling force change, when drag chain atress, produce to the spring and pull the deformation, through the flexible effect of spring, make drag chain be in the state of tightening all the time, can effectually avoid drag chain to take place the phenomenon emergence that drops in the course of the work, improve the stability of drawing the in-process.

2. The utility model provides a seamless steel pipe drawbench, when the mould of different specifications is changed to needs, the staff takes off the apron, can take out the change mould with the mould fixing base from the mounting groove is inside, after changing, the staff is located the inside height of mounting bracket through adjusting screw adjustment mould fixing base and mould for the axle center of mould coincides with the mounting fixture axle center on the traction table car, can utilize this device to draw the operation to the seamless steel pipe of different pipe diameters, the application scope of this device of improvement that is showing.

3. The utility model provides a seamless steel pipe drawbench, pour into lubricating oil into at oil storage intracavity portion, when needs draw the operation to the steel pipe, pass through ripple calibrator adjustment to mould import top with the shower, start the delivery pump and extract shower department with lubricating oil, with steel pipe surface spraying one deck lubricating oil, can reduce the mould wearing and tearing in drawing the operation, make the steel pipe draw and become simple and convenient, the lubricating oil that sprays the drippage falls into oil storage intracavity portion through the filtration of filter screen panel and carries out the recycling, reduce the loss of lubricating oil, and simultaneously, avoid causing the damage to defeated oil pipeline and delivery pump, prolong the life who sets up.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a seamless steel tube drawing machine according to the present invention;

FIG. 2 is a schematic structural view of a limiting roller and a movable frame of the seamless steel tube drawing machine of the present invention;

FIG. 3 is a schematic side view of the seamless steel tube drawing machine according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a seamless steel tube drawing machine according to the second embodiment of the present invention.

In the figure: 1 rack, 2 traction chains, 3 chain wheels, 4 moving tracks, 5 traction trolleys, 6 die fixing seats, 7 dies, 8 mounting grooves, 9 mounting racks, 10 connecting rods, 11 springs, 12 limiting rollers, 13 movable racks, 14 adjusting screws, 15 spray pipes, 16 boxes, 17 oil storage cavities and 18 conveying pumps.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a seamless steel tube drawing machine comprises a rack 1, one end of the rack 1 is connected with a mounting frame 9 with a U-shaped cross section through a bolt, the top end inside the rack 1 is connected with a plurality of chain wheels 3 distributed equidistantly through a bearing, a traction chain 2 is sleeved between the outer sides of the chain wheels 3, two sides of the top of the rack 1 are both connected with moving tracks 4 through bolts, traction trolleys 5 are placed at the top ends of the two moving tracks 4, a plurality of connecting rods 10 distributed equidistantly are connected between the inner walls of two sides of the rack 1 through a bearing, the bottom ends of the connecting rods 10 are connected with two springs 11 through bolts, a movable frame 13 with an inverted U-shaped cross section is connected between the bottom ends of the two springs 11 through bolts, two limit rollers 12 are connected between the inner walls of two sides of the movable frame 13 through bearings, and the traction chain 2 is, the inner walls of two sides of the mounting frame 9 are provided with mounting grooves 8, a mold fixing seat 6 is arranged between the two mounting grooves 8, the interior of the mold fixing seat 6 is connected with a mold 7 through a bolt, one side of the rack 1 is connected with a driving motor through a bolt, an output shaft of the driving motor is in transmission connection with the chain wheels 3 through a coupler, the lower part of the traction chain 2 is positioned between the limiting rollers 12, the traction chain 2 is supported by the limiting rollers 12, when in use, the upper part of the traction chain 2 is positioned on the plurality of chain wheels 2, the lower part of the traction chain 2 is positioned between the limiting rollers 12, when the traction trolley 5 is hooked with the traction chain 2, the bottom of the traction chain 2 is supported by the limiting rollers 12, the traction chain 2 is subjected to tension change, when the traction chain 2 is stressed, the spring 11 is subjected to tension deformation, and the traction chain 2 is always in a tightening state through the telescopic, the phenomenon that the traction chain 2 falls off in the working process can be effectively avoided, and the stability in the drawing process is improved.

In the utility model, one end of the traction trolley 5 is hinged with a hooking part matched with the traction chain 2, an electric push rod for controlling the lifting of the traction trolley 5 is hinged between the top end of the hooking part and the traction trolley 5, one end of the traction trolley 5 is provided with a fixing clamp for clamping a steel pipe, when in use, the fixing clamp on the traction trolley 5 clamps the end part of the steel pipe, the hooking part descends to be hooked with the traction chain 2, the steel pipe can be pulled out from the mould 7 to be drawn and sized, after the drawing is finished, the electric push rod lifts the hooking part away from the traction chain 2, the traction trolley 5 returns from the moving track 4, and the drawing operation is repeated;

the middle section of the limiting roller 12 is provided with an annular groove structure, the traction chain 2 is clamped in the annular groove structure of the limiting roller 12, the limiting rollers 12 which are distributed up and down form a clamping groove matched with the traction chain 2 through the annular groove structure of the middle section, so that the traction chain 2 can only be in rolling connection in the annular groove structure, the risk of falling off of the traction chain 2 can be effectively reduced, and the stability in the drawing process is improved;

the top end of the mounting frame 9 is connected with a cover plate through a bolt, the center of the cover plate is in threaded connection with an adjusting screw 14, the bottom end of the adjusting screw 14 is rotatably connected with the die fixing seat 6 through a bearing, when dies 7 of different specifications need to be replaced, a worker takes the cover plate down to draw the die fixing seat 6 out of the mounting groove 8 and replace the die 7, after replacement, the worker adjusts the heights of the die fixing seat 6 and the die 7 in the mounting frame 9 through the adjusting screw 14, so that the axis of the die 7 is superposed with the axis of a fixing clamp on the traction trolley 5, the device can be used for drawing seamless steel pipes of different diameters, and the application range of the device is remarkably improved;

one side top of rack 1 has a plurality of step motor through bolted connection, and step motor's output shaft top has the dwang of vertical setting through bolted connection, and there is the unloading driving lever outside of dwang through bolted connection, at drawing the in-process, when traction table car 5 when unloading driving lever, step motor drives dwang and unloading driving lever and rotates the top of traction chain 2, props up the steel pipe, and the steel pipe can follow the unloading driving lever top and roll the unloading after drawing the end.

Example two

Referring to fig. 2-4, the seamless steel tube drawing machine further comprises a box body 16 mounted on the side face of the mounting frame 9 through a bolt, an oil storage cavity 17 is formed in the bottom of the box body 16, a conveying pump 18 is connected to the bottom of one side of the box body 16 through a bolt, the top end of the box body 16 is connected with a spray pipe 15 with an arc structure through a corrugated shaping pipe and a bolt, the outlet end of the conveying pump 18 is communicated with the spray pipe 15 through a hose, lubricating oil is injected into the oil storage cavity 17, when the steel tube needs to be drawn, the spray pipe 15 is adjusted to be above the inlet of the die 7 through the corrugated shaping pipe, the conveying pump 18 is started to pump the lubricating oil to the spray pipe 15, and a layer of lubricating oil is sprayed on the surface of the steel tube, so that the abrasion of the die 7;

the inside top of oil storage chamber 17 is connected with the filtration screen panel of sphere column structure through the hasp lock, and the lubricating oil that sprays the drippage falls into oil storage chamber 17 inside through the filtration of filtering the screen panel and carries out the recycling, reduces the loss of lubricating oil, simultaneously, avoids causing the damage to defeated oil pipe way and delivery pump 18, prolongs the life who sets up.

The working principle is as follows: in the idle position of the device, all the electric devices, namely power elements, electric devices and adaptive controllers, are connected through leads, and specific connection means should be referred to in the following working principle that the electric devices are electrically connected in sequence, and detailed connection means thereof are well known in the art, and the following main introduces the working principle and process without explaining the electric control, the lower part of the traction chain 2 is positioned between the limiting rollers 12, the traction chain 2 is supported by the limiting rollers 12, when in use, the upper part of the traction chain 2 is positioned on the plurality of chain wheels 2, the lower part of the traction chain 2 is positioned between the limiting rollers 12, when the traction trolley 5 is hooked with the traction chain 2, the bottom of the traction chain 2 is supported by the limiting rollers 12, the traction chain 2 is subjected to tension change, when the traction chain 2 is subjected to stress, the spring 11 is pulled and deformed, and the traction chain 2 is always in a tightening state through the stretching action of the spring 11, so that the phenomenon that the traction chain 2 falls off in the working process can be effectively avoided, and the stability in the drawing process is improved;

when the dies 7 with different specifications need to be replaced, a worker takes down the cover plate, the die fixing seat 6 can be pulled out from the mounting groove 8 to replace the die 7, after replacement, the worker adjusts the heights of the die fixing seat 6 and the die 7 in the mounting frame 9 through the adjusting screw 14, so that the axis of the die 7 is superposed with the axis of the fixing clamp on the traction trolley 5, the device can be used for drawing seamless steel pipes with different pipe diameters, and the application range of the device is remarkably improved;

at the inside lubricating oil that injects of oil storage chamber 17, when the operation is drawn to the steel pipe to needs, adjust shower 15 to mould 7 import top through ripple calibrator, start delivery pump 18 and extract lubricating oil shower 15 department, with steel pipe surface spraying one deck lubricating oil, can reduce the wearing and tearing of mould 7 in drawing the operation, make the steel pipe draw and become simple and convenient, the lubricating oil that sprays the drippage falls into oil storage chamber 17 inside recycling through the filtration of filter screen panel, reduce the loss of lubricating oil, and simultaneously, avoid causing the damage to defeated oil pipeline and delivery pump 18, prolong the life who sets up.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The seamless steel tube drawing machine comprises a rack (1), wherein one end of the rack (1) is connected with a mounting rack (9) with a U-shaped cross section through bolts, the top end of the inside of the rack (1) is connected with a plurality of chain wheels (3) which are distributed equidistantly through bearings, a traction chain (2) is sleeved between the outer sides of the chain wheels (3), two sides of the top of the rack (1) are connected with movable rails (4) through bolts, traction trolleys (5) are placed at the top ends of the two movable rails (4), the seamless steel tube drawing machine is characterized in that a plurality of connecting rods (10) which are distributed equidistantly are connected between the inner walls of the two sides of the rack (1) through bearings, the bottom ends of the connecting rods (10) are connected with two springs (11) through bolts, and a movable frame (13) with a reversed U-shaped cross section is connected between the bottom ends of the two, be connected with two spacing cylinders (12) through the bearing between the both sides inner wall of adjustable shelf (13), and traction chain (2) roll connection between two spacing cylinders (12), the both sides inner wall of mounting bracket (9) all is equipped with mounting groove (8), and is equipped with mould fixing base (6) between two mounting grooves (8), and there is mould (7) inside of mould fixing base (6) through bolted connection, there is driving motor one side of rack (1) through bolted connection, and driving motor's output shaft passes through the shaft coupling and is connected with sprocket (3) transmission.

2. The seamless steel tube drawing machine according to claim 1, wherein one end of the traction trolley (5) is hinged with a hooking part, an electric push rod is hinged between the top end of the hooking part and the traction trolley (5), and a fixing clamp is installed at one end of the traction trolley (5).

3. The seamless steel tube drawing machine according to claim 1, characterized in that the middle section of the limiting roller (12) is provided with a ring groove structure.

4. The seamless steel tube drawing machine according to claim 1, wherein the top end of the mounting frame (9) is connected with a cover plate through a bolt, the center of the cover plate is screwed with an adjusting screw (14), and the bottom end of the adjusting screw (14) is rotatably connected with the die fixing seat (6) through a bearing.

5. The seamless steel tube drawing machine according to claim 4, characterized in that the top of one side of the rack (1) is connected with a plurality of stepping motors through bolts, the top ends of the output shafts of the stepping motors are connected with rotating rods through bolts, and the outer sides of the rotating rods are connected with blanking deflector rods through bolts.

6. The seamless steel tube drawing machine according to claim 2, further comprising a box body (16) mounted on the side surface of the mounting frame (9) through bolts, wherein an oil storage cavity (17) is formed in the bottom of the box body (16), and a conveying pump (18) is connected to the bottom of one side of the box body (16) through bolts.

7. The seamless steel tube drawing machine according to claim 6, characterized in that the top end of the box body (16) is connected with the spray pipe (15) with an arc structure through a corrugated shaping pipe and a bolt, and the outlet end of the delivery pump (18) is communicated with the spray pipe (15) through a hose.

8. The seamless steel tube drawing machine according to claim 6, characterized in that the top end of the inside of the oil storage chamber (17) is connected with a filter screen with a spherical structure through a snap lock.