CN218945951U

CN218945951U - Accurate cold drawing device of welded steel pipe

Info

Publication number: CN218945951U
Application number: CN202223352996.1U
Authority: CN
Inventors: 乔桂华
Original assignee: Wuhu Wanchuang Management Co ltd
Current assignee: Wuhu Wanchuang Management Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a precise cold drawing device for welding steel pipes, which comprises a workbench, a die holder, a cold drawing hole, a left lead screw, a right lead screw and an electric telescopic rod, wherein the die holder, a guide sliding rail and a supporting plate are sequentially arranged above the workbench from left to right, a collecting hole is formed in the lower part of the die holder, the cold drawing hole is formed in the inner coaxial position of the die holder, a sliding frame is arranged above the guide sliding rail, a first sliding block and a second sliding block are arranged on the left lead screw and the right lead screw, the electric telescopic rod is vertically arranged on the left side of the supporting plate, and the left end of the electric telescopic rod is connected with the sliding frame. The accurate cold drawing device of this welded steel pipe is provided with elastic pad and infiltration net, and when the welded steel pipe cold drawing was to the position of infiltration net and elastic pad, the welded steel pipe extrusion elastic pad to make welded steel pipe and infiltration net contact extrusion, make the lubricating powder of infiltration net top drop to the surface of welded steel pipe, play lubricated effect to welded steel pipe, make the welded steel pipe surface be difficult for impaired simultaneously.

Description

Accurate cold drawing device of welded steel pipe

Technical Field

The utility model relates to the technical field of steel pipe cold drawing, in particular to a precise cold drawing device for welding steel pipes.

Background

A steel pipe is a steel material having a hollow cross section with a length that is much greater than the diameter or circumference. The steel pipes are divided into round, square, rectangular and special-shaped steel pipes according to the cross section shape; the materials are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; the steel pipe is divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, mechanical manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process is divided into a seamless steel pipe and a welded steel pipe, wherein the seamless steel pipe is divided into a hot rolling type and a cold rolling type (drawing type), and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe.

Welded steel pipes are generally processed by cold drawing in order to increase their length and reduce their diameter.

The cold drawing device for processing the steel pipe, which is convenient to install, is disclosed as CN214417330U, and is convenient for operators to replace different dies when in use through a simple structural design, so that the operators can use the cold drawing device conveniently. However, the device has certain defects;

1. the steel tube cold drawing machine is not provided with a lubrication mechanism, and when the steel tube is cold drawn, friction generated between the steel tube and the die is large, so that the die and the steel tube are easy to abrade when the steel tube moves, and scratches are generated on the surface of the steel tube after the cold drawing.

We have therefore proposed a precision cold drawing apparatus for welding steel pipes in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a precise cold drawing device for welding steel pipes, which aims to solve the problems that the existing cold drawing device for processing the steel pipes in the market provided by the background technology is not provided with a lubrication mechanism, and friction generated between the steel pipes and a die is large when the steel pipes are cold drawn, so that the die and the steel pipes are easy to wear when the steel pipes move, and scratches are generated on the surfaces of the steel pipes after the cold drawing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a precision cold drawing device of welded steel pipe, includes workstation, die holder, cold drawing hole, control lead screw and electric telescopic handle, die holder, direction slide rail and backup pad are installed in proper order from a left side to the right side to the top of workstation, and the feed inlet has been seted up to the top of die holder, and the top inside of die holder is provided with the powdered lubricant groove moreover, the hole that gathers materials has been seted up to the below inside of die holder, and the inside coaxial position of die holder has seted up the cold drawing hole moreover, and the internally mounted in cold drawing hole has the cleaning brush, the sliding frame is installed to the direction slide rail top, and the front side surface mounting of sliding frame has servo motor, and servo motor's rear side passes through the output shaft and installs control lead screw, install first slider and second slider on the left and right sides of backup pad is installed electric telescopic handle perpendicularly, and electric telescopic handle's left end is connected with the sliding frame.

Preferably, the guide sliding rails are arranged in number of 2 and symmetrically arranged along the center line of the workbench, and a sliding structure is formed between the guide sliding rails and the sliding frame.

By adopting the structural design, when the welded steel pipe is cold drawn, the sliding frame moves rightwards, and the guide sliding rail plays a role in guiding and limiting the movement of the sliding frame, so that the welded steel pipe cannot deviate when moving, and the cold drawing quality of the welded steel pipe can be improved.

Preferably, the feeding hole is communicated with the lubricating powder groove, and the bottom surface of the lubricating powder groove is of an inclined structure design.

By adopting the structural design, the lubricating powder in the lubricating powder groove can slide downwards to the surface of the welded steel pipe along the lubricating powder groove, so that the lubricating effect on the surface of the welded steel pipe is achieved, and meanwhile, the surface of the welded steel pipe is not easy to damage.

Preferably, the infiltration net is installed through the elastic pad in the below of lubricating powder groove, and elastic pad, infiltration net and elastic pad are elastic structure and connect, and infiltration net is located cold-drawing downthehole moreover.

By adopting the structural design, when the welded steel pipe is cold drawn to the positions of the penetration net and the elastic pad, the welded steel pipe extrudes the elastic pad, so that the welded steel pipe is extruded in contact with the penetration net, and the lubricating powder above the penetration net falls onto the surface of the welded steel pipe, thereby achieving the effect of lubricating the welded steel pipe.

Preferably, the collecting hole is positioned on the left side of the cleaning brush, the collecting hole is communicated with the cold drawing hole, a collecting groove is arranged below the collecting hole, and a discharging hole is connected on the right side of the collecting groove.

By adopting the structural design, when the lubricated welded steel pipe moves to the lower part of the cleaning brush, the welded steel pipe and the cleaning brush are relatively displaced, so that the cleaning brush can clean the lubricating powder on the surface of the welded steel pipe, and the cleaned lubricating powder falls into the material collecting groove through the material collecting hole, so that the cleaning of the welded steel pipe is realized, meanwhile, the used lubricating powder is collected, the lubricating powder is taken out through the material outlet, the secondary use is facilitated, and the lubricating cost is saved.

Preferably, a sliding structure is formed between the left and right screw rods and the first and second sliding blocks, the supporting rods are arranged above the first and second sliding blocks through connecting strips, and the fixing plates are arranged on the opposite sides of the supporting rods.

By adopting the structural design, one end of the welded steel pipe passes through the cold drawing hole in the die holder after the diameter is reduced by turning, then the servo motor is started, the servo motor drives the left screw rod and the right screw rod to rotate through the output shaft, then the left screw rod and the right screw rod drive the first sliding block and the second sliding block to do relative motion, then the fixing plates are driven to be close to each other under the action of the connecting strip and the supporting rod, and the fixation of the welded steel pipe is completed.

Compared with the prior art, the utility model has the beneficial effects that: the precise cold drawing device for the welded steel pipe comprises:

1. the guide sliding rail is arranged, so that when the sliding frame moves rightwards during cold drawing of the welded steel pipe, the guide sliding rail plays a role in guiding and limiting the movement of the sliding frame, and the welded steel pipe cannot deviate during movement, so that the cold drawing quality of the welded steel pipe can be improved;

2. when the welded steel pipe is cold drawn to the positions of the permeable net and the elastic pad, the welded steel pipe extrudes the elastic pad, so that the welded steel pipe is in contact extrusion with the permeable net, lubricating powder above the permeable net falls onto the surface of the welded steel pipe, the welded steel pipe is lubricated, and the surface of the welded steel pipe is not easy to damage;

3. be provided with hole that gathers materials, collection silo and cleaning brush, when lubricated welded steel pipe moved to the cleaning brush below, welded steel pipe and cleaning brush are because of producing relative displacement, make cleaning brush clear up the powdered lubricant on welded steel pipe surface to the powdered lubricant that will clear up falls into the collection silo through the hole that gathers materials, thereby realized the clearance of welded steel pipe, collect the powdered lubricant after the use simultaneously, the accessible discharge gate takes out the powdered lubricant, the secondary of being convenient for uses has practiced thrift the lubricating cost.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic diagram of a main sectional structure of a die holder of the utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic side sectional view of a sliding frame according to the present utility model;

fig. 5 is a schematic diagram of a front view of a sliding frame according to the present utility model.

In the figure: 1. a work table; 2. a die holder; 3. a guide rail; 4. a support plate; 5. a feed inlet; 6. a lubricating powder groove; 7. an elastic pad; 8. a permeable mesh; 9. a collection hole; 10. a material collecting groove; 11. a discharge port; 12. cold drawing the hole; 13. a cleaning brush; 14. a sliding frame; 15. a servo motor; 16. a left screw rod and a right screw rod; 17. a first slider; 18. a second slider; 19. a connecting strip; 20. a support rod; 21. a fixing plate; 22. an electric telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a precision cold-drawing device of welded steel pipe, including workstation 1, die holder 2, guide slide rail 3, backup pad 4, feed inlet 5, lubricating powder groove 6, the elastic pad 7, infiltration net 8, collection material hole 9, collection material groove 10, discharge gate 11, cold-drawing hole 12, cleaning brush 13, sliding frame 14, servo motor 15, control lead screw 16, first slider 17, second slider 18, connecting strip 19, bracing piece 20, fixed plate 21 and electric telescopic handle 22, die holder 2 has been installed in proper order from left to right to the top of workstation 1, guide slide rail 3 and backup pad 4, guide slide rail 3 is provided with 2, and set up along the central line symmetry of workstation 1, constitute sliding structure between guide slide rail 3 and the sliding frame 14 moreover, make when carrying out the cold-drawing to welded steel pipe, the sliding frame 14 moves rightwards, guide slide rail 3 plays the effect of direction and spacing to the movement of sliding frame 14, make the welded steel pipe can not take place the skew when moving, thereby can improve the quality of welding cold-drawing, and feed inlet 5 has been seted up to the top of die holder 2, moreover, the top of workstation 2 is provided with inside in addition, guide slide rail 3 and backup pad 4, and lubricating powder groove 6 are arranged to the surface 6 is to the lubricating powder groove 6, the lubricating powder is to the surface of the welding to the lubricating powder groove 6, and the lubricating powder is difficult to the surface is welded to the lubricating powder groove 6 to the surface is simultaneously to the groove 6.

The below of lubricating powder groove 6 is installed through elastic pad 7 and is permeated net 8, and elastic pad 7, permeated net 8 and elastic pad 7 are elastic structure and connect, permeate net 8 is located cold-drawing hole 12 moreover, when the welding steel pipe cold-drawing is to permeate net 8 and the position of elastic pad 7, welding steel pipe extrusion elastic pad 7, thereby make welding steel pipe and permeate net 8 contact extrusion, make the lubricating powder of permeated net 8 top drop to the surface of welding steel pipe, play lubricated effect to welding steel pipe, aggregate hole 9 has been seted up to die holder 2's below inside, aggregate hole 9 is located the left side of cleaning brush 13, and aggregate hole 9 and cold-drawing hole 12 are linked together, and aggregate hole 9's below is provided with collection groove 10, and the right side of collection groove 10 is connected with discharge gate 11, when the welding after the lubrication steel pipe after lubrication removes to cleaning brush 13 below, welding steel pipe and cleaning brush 13 are because of producing relative displacement, make cleaning brush 13 clear up the lubricating powder on welding steel pipe surface, and with the lubricating powder that will clear up falls into collection groove 10, thereby realize the effect to weld steel pipe, the lubricating powder has been removed through collection hole 11 after the secondary use simultaneously, the lubricating powder has been convenient for use has been taken out to take out.

The inside coaxial position of die holder 2 has seted up cold drawing hole 12, and cold drawing hole 12 internally mounted has cleaning brush 13, slide frame 14 is installed to direction slide rail 3 top, and the front side surface mounting of slide frame 14 has servo motor 15, and servo motor 15's rear side is through the output shaft installs left and right lead screw 16, install first slider 17 and second slider 18 on the left and right lead screw 16, constitute sliding structure between left and right lead screw 16 and first slider 17 and the second slider 18, and the bracing piece 20 is all installed through connecting rod 19 to the top of first slider 17 and second slider 18, and fixed plate 21 is installed to the opposite side of bracing piece 20, pass cold drawing hole 12 in the die holder 2 after the diameter is reduced with welding steel pipe's one end through the turning, then start servo motor 15, servo motor 15 drives left and right lead screw 16 through the output shaft and rotates, then left and right lead screw 16 drives first slider 17 and second slider 18 and do relative motion, then drive fixed plate 21 is leaned on each other through under the effect of connecting rod 19 and bracing piece 20, accomplish the fixed of welding steel pipe, the left side perpendicular installation of backup pad 4, and electric rod 22 is installed to the left and the telescopic link of electric rod 22 is connected with the telescopic link of left side 14.

Working principle: when the precise cold drawing device for the welded steel pipe is used, firstly, one end of the welded steel pipe passes through a cold drawing hole 12 in a die holder 2 after the diameter is reduced by turning, then a servo motor 15 is started, the servo motor 15 drives a left screw rod 16 and a right screw rod 16 to rotate through an output shaft, then the left screw rod 16 drives a first sliding block 17 and a second sliding block 18 to do relative motion, then a fixing plate 21 is driven to approach each other under the action of a connecting strip 19 and a supporting rod 20, the welded steel pipe is fixed, and then an electric telescopic rod 22 is started to drive the fixing plate 21 on a sliding frame 14 to pull the welded steel pipe to move rightwards, so that cold drawing is performed on the welded steel pipe.

When the welded steel pipe is cold drawn to the positions of the penetration net 8 and the elastic pad 7, the welded steel pipe extrudes the elastic pad 7, so that the welded steel pipe is in contact extrusion with the penetration net 8, lubricating powder above the penetration net 8 falls onto the surface of the welded steel pipe, the welded steel pipe has a lubricating effect, when the lubricated welded steel pipe moves to the lower part of the cleaning brush 13, the welded steel pipe and the cleaning brush 13 are subjected to relative displacement, the cleaning brush 13 cleans the lubricating powder on the surface of the welded steel pipe, and the cleaned lubricating powder falls into the collecting groove 10 through the collecting hole 9. Thereby completing a series of works. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a accurate cold drawing device of welded steel pipe, includes workstation (1), die holder (2), cold drawing hole (12), controls lead screw (16) and electric telescopic handle (22), its characterized in that: the utility model discloses a cleaning device for a plastic working machine, including work bench (1), die holder (2), direction slide rail (3) and backup pad (4) are installed in proper order from a left side to the right side to the top of work bench (1), and feed inlet (5) have been seted up to the top of die holder (2), and the top inside of die holder (2) is provided with lubricating powder groove (6), aggregate hole (9) have been seted up to the below inside of die holder (2), and cold drawing hole (12) have been seted up to the inside coaxial position of die holder (2), and cold drawing hole (12) internally mounted has cleaning brush (13), sliding frame (14) are installed to direction slide rail (3) top, and the front side surface mounting of sliding frame (14) has servo motor (15), and the rear side of servo motor (15) is through output shaft installs left and right lead screw (16), install first slider (17) and second slider (18) on left and right lead screw (16), electric telescopic rod (22) are installed perpendicularly in the left side of backup pad (4), and the left end of electric telescopic rod (22) is connected with sliding frame (14).

2. A precision cold drawing apparatus for welding steel pipes as set forth in claim 1, wherein: the guide sliding rails (3) are arranged in number and symmetrically arranged along the center line of the workbench (1), and a sliding structure is formed between the guide sliding rails (3) and the sliding frame (14).

3. A precision cold drawing apparatus for welding steel pipes as set forth in claim 1, wherein: the feeding hole (5) is communicated with the lubricating powder groove (6), and the bottom surface of the lubricating powder groove (6) is of an inclined structure design.

4. A precision cold drawing apparatus for welding steel pipes as set forth in claim 1, wherein: the infiltration net (8) is installed through the elastic pad (7) in the below of lubricating powder groove (6), and elastic pad (7), infiltration net (8) and elastic pad (7) are elastic structure and connect, and infiltration net (8) are located cold-drawing hole (12) moreover.

5. A precision cold drawing apparatus for welding steel pipes as set forth in claim 1, wherein: the collecting hole (9) is positioned on the left side of the cleaning brush (13), the collecting hole (9) is communicated with the cold drawing hole (12), a collecting groove (10) is arranged below the collecting hole (9), and the right side of the collecting groove (10) is connected with a discharge hole (11).

6. A precision cold drawing apparatus for welding steel pipes as set forth in claim 1, wherein: a sliding structure is formed between the left screw rod (16) and the right screw rod, between the left screw rod and the first sliding block (17) and between the right screw rod and the second sliding block (18), supporting rods (20) are arranged above the first sliding block (17) and above the second sliding block (18) through connecting strips (19), and fixing plates (21) are arranged on the opposite sides of the supporting rods (20).