CN218424789U

CN218424789U - Seamless steel pipe plug cooling device

Info

Publication number: CN218424789U
Application number: CN202222010499.7U
Authority: CN
Inventors: 何天忠; 李经洲
Original assignee: Hangzhou Mingxiang Steel Pipe Co ltd
Current assignee: Hangzhou Mingxiang Steel Pipe Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-02-03
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to the field of mandrel cooling devices, in particular to a seamless steel tube mandrel cooling device, which comprises a cooling pool, a floating plate, a mandrel, a supporting plate, a rotating shaft a, a rotating shaft b and a conveying chain; the floating plates are arranged on the inner wall of the cooling pool in a sliding manner along the vertical direction, arc-shaped grooves are formed in the two groups of floating plates, and the two ends of the core rod are positioned in the two groups of arc-shaped grooves; the supporting plate is arranged on the inner wall of the bottom of the cooling pool; the guide plate is obliquely arranged on the support plate, the discharge plate is obliquely arranged at the top of the guide plate, and two groups of avoidance grooves are arranged on the guide plate and the discharge plate; the rotating shaft a and the rotating shaft b are both rotatably arranged on the inner wall of the cooling pool, two groups of chain wheels a are arranged on the rotating shaft a, two groups of chain wheels b are arranged on the rotating shaft b, the chain wheels a and the chain wheels b are in transmission connection through a conveying chain, and a feeding claw is arranged on the conveying chain; and a power component for driving the rotating shaft b to rotate is arranged on the cooling pool. The utility model discloses can cool off in succession, and the plug is located the cooling bath basically, and cooling path is long, and cooling efficiency is high.

Description

Seamless steel pipe plug cooling device

Technical Field

The utility model relates to a plug cooling device field especially relates to a seamless steel pipe plug cooling device.

Background

The seamless steel tube is made of a whole metal, no seam is arranged on the surface, and a mandrel is required for producing the seamless steel tube. After rolling, the temperature of the mandrel is too high, the local temperature is close to 300 ℃, even the color of the outer surface of some mandrels is blue, the outer diameter of the local mandrel is reduced, the outer surface of the mandrel is seriously abraded, and when graphite lubricating liquid is sprayed on the outer surface of the working section of the mandrel, the graphite lubricating agent on the outer surface of part of the mandrel falls off due to too high temperature. Therefore, in order to ensure smooth production, the mandrel bar needs to be cooled. The existing core rod cooling means is that a set of hydraulic device is used for placing a core rod which is removed in production into a water tank, and then another set of mechanical device is used for taking the core rod out of the water tank.

Chinese patent No. CN206483807U discloses a cooling device for seamless steel tube core rods, which adopts a chain conveying mechanism to continuously convey the core rods, the core rods enter the cooling liquid along with the operation of the chain and then move out of the cooling liquid, and the cooling process is continuous and efficient.

However, the above-mentioned known solutions have the following disadvantages: the core rod soaking section is short, the core rod can be soaked and cooled only near the middle position of the water tank, and the cooling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a continuous efficient seamless steel pipe plug cooling device of cooling process to the problem that exists among the background art.

The technical scheme of the utility model: a cooling device for a seamless steel tube core rod comprises a cooling pool, a floating plate, a core rod, a supporting plate, a rotating shaft a, a rotating shaft b and a conveying chain;

the cooling pool contains cooling liquid; the floating plates are arranged on the inner wall of the cooling pool in a sliding manner along the vertical direction, the floating plates float on the liquid level, the floating plates are arranged in two groups, the two groups of floating plates are respectively positioned at the front end position and the rear end position of the right side of the cooling pool, arc-shaped grooves are formed in the two groups of floating plates, and the two ends of the core rod are positioned in the two groups of arc-shaped grooves; the supporting plate is vertically arranged on the inner wall of the bottom of the cooling pool; the guide plate is obliquely arranged on the support plate towards the upper left side, the discharge plate is obliquely arranged at the top of the guide plate towards the lower left side, and two groups of avoidance grooves are arranged on the guide plate and the discharge plate; the rotating shaft a and the rotating shaft b are both rotationally arranged on the inner wall of the cooling pool along the front-back direction, the rotating shaft a is positioned at the lower right side of the rotating shaft b, two groups of chain wheels a are arranged on the rotating shaft a, two groups of chain wheels b are arranged on the rotating shaft b, the chain wheels a and the chain wheels b are in transmission connection through a transmission chain, feeding claws are arranged on the transmission chain, the feeding claws penetrate through the avoidance grooves, and the transmission chain is provided with two groups; and a power component for driving the rotating shaft b to rotate is arranged on the cooling pool.

Preferably, all set up the water pipe on the side around the cooling bath, set up the valve on the water pipe.

Preferably, the inner wall all vertically sets up the slide rail around the cooling bath on, two sets of slide rail tops all set up the baffle, all set up the slider on two sets of kickboards, slider and slide rail sliding connection, slider slip direction are vertical direction.

Preferably, the bottom of the discharging plate is positioned above the cooling pool.

Preferably, the material guide plate and the material discharge plate are integrally arranged.

Preferably, the power assembly comprises a chain wheel c, a rotating shaft c, a chain wheel d, a mounting seat and a motor; the mounting seat is arranged at the top of the cooling pool; the rotating shaft c is horizontally and rotatably arranged on the mounting seat, and is positioned above the rotating shaft b and is parallel to the rotating shaft b; the chain wheel d is arranged on the rotating shaft c, the chain wheel c is arranged on the rotating shaft b, and the chain wheel d and the chain wheel c are in transmission connection through a chain; the motor sets up on the mount pad, and the output shaft and the pivot c of motor are connected.

Preferably, the length of the mandrel is greater than the front and rear dimensions of the guide plate.

Preferably, the lowest point of the floating plate is positioned below the guide plate.

Compared with the prior art, the utility model discloses following profitable technological effect has: the plug falls on two sets of kickboards, drives two sets of kickboards and moves down in step under the plug action of gravity, and the plug falls on the stock guide least significant end, then constantly moves to the upper left under two sets of feed dogs drive, accomplishes the ejection of compact on falling the play flitch at last. The cooling process is continuous and efficient, the core rod is located in the cooling pool in the whole moving process, the cooling path is long, and the cooling efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

fig. 3 is a top view of fig. 1.

Reference numerals: 1. a cooling pool; 2. a water pipe; 3. a valve; 4. a floating plate; 5. a core rod; 6. a slide rail; 7. a baffle plate; 8. a support plate; 9. a material guide plate; 10. a discharge plate; 11. an avoidance groove; 12. a rotating shaft a; 13. a chain wheel a; 14. a rotating shaft b; 15. a chain wheel b; 16. a conveyor chain; 17. a feeding claw; 18. a sprocket c; 19. a rotating shaft c; 20. a sprocket d; 21. a mounting seat; 22. an electric motor.

Detailed Description

Example one

As shown in fig. 1-3, the cooling device for seamless steel tube core rods provided by the present invention comprises a cooling tank 1, a floating plate 4, a core rod 5, a supporting plate 8, a rotating shaft a12, a rotating shaft b14 and a conveying chain 16;

the cooling pool 1 contains cooling liquid, the front side and the rear side of the cooling pool 1 are both provided with water pipes 2, and the water pipes 2 are provided with valves 3; the floating plates 4 are arranged on the inner wall of the cooling pool 1 in a sliding mode in the vertical direction, the sliding rails 6 are vertically arranged on the front inner wall and the rear inner wall of the cooling pool 1, the top parts of the two groups of sliding rails 6 are respectively provided with a baffle 7, the two groups of floating plates 4 are respectively provided with a sliding block, the sliding blocks are connected with the sliding rails 6 in a sliding mode, the sliding direction of the sliding blocks is the vertical direction, the floating plates 4 float on the liquid level, the two groups of floating plates 4 are respectively positioned at the front end position and the rear end position of the right side of the cooling pool 1, the two groups of floating plates 4 are respectively provided with an arc groove, the two ends of each core rod 5 are positioned in the two groups of arc grooves, the length of each core rod 5 is larger than the front-back size of each guide plate 9, and the lowest point of each floating plate 4 is positioned below each guide plate 9; the supporting plate 8 is vertically arranged on the inner wall of the bottom of the cooling pool 1; the material guide plate 9 is obliquely arranged on the support plate 8 towards the upper left, the discharge plate 10 is obliquely arranged at the top of the material guide plate 9 towards the lower left, the material guide plate 9 and the discharge plate 10 are integrally arranged, the bottom of the discharge plate 10 is positioned above the cooling tank 1, and two groups of avoidance grooves 11 are formed in the material guide plate 9 and the discharge plate 10; the rotating shaft a12 and the rotating shaft b14 are rotatably arranged on the inner wall of the cooling pool 1 along the front-back direction, the rotating shaft a12 is positioned at the lower right side of the rotating shaft b14, two groups of chain wheels a13 are arranged on the rotating shaft a12, two groups of chain wheels b15 are arranged on the rotating shaft b14, the chain wheels a13 and the chain wheels b15 are in transmission connection through a conveying chain 16, a feeding claw 17 is arranged on the conveying chain 16, the feeding claw 17 penetrates through the avoiding groove 11, and two groups of conveying chains 16 are arranged; the cooling pool 1 is provided with a power component which drives the rotating shaft b14 to rotate.

The working principle is as follows: the core rod 5 falls on the two groups of floating plates 4, the two groups of floating plates 4 are driven to synchronously move downwards under the action of the gravity of the core rod 5, the core rod 5 falls on the lowest end of the material guide plate 9, then the core rod is driven by the two groups of feeding claws 17 to continuously move towards the upper left side, and finally the discharging is completed on the discharging plate 10. In the embodiment, the cooling process is continuous and efficient, the core rod 5 is positioned in the cooling pool 1 in the whole moving process, the cooling path is long, and the cooling efficiency is high.

Example two

As shown in fig. 1-3, compared with the first embodiment, the seamless steel tube mandrel cooling device provided by the present invention includes a power assembly including a sprocket c18, a rotating shaft c19, a sprocket d20, a mounting seat 21 and a motor 22; the mounting seat 21 is arranged at the top of the cooling pool 1; the rotating shaft c19 is horizontally and rotatably arranged on the mounting seat 21, and the rotating shaft c19 is positioned above the rotating shaft b14 and is parallel to the rotating shaft b 14; the chain wheel d20 is arranged on the rotating shaft c19, the chain wheel c18 is arranged on the rotating shaft b14, and the chain wheel d20 and the chain wheel c18 are in transmission connection through a chain; the motor 22 is disposed on the mounting base 21, and an output shaft of the motor 22 is connected to the rotating shaft c 19.

In this embodiment, motor 22 starts to drive pivot c19 and rotates, and pivot c19 drives sprocket d20 and rotates, and sprocket d20 drives sprocket c18 through the chain and rotates, and sprocket c18 drives pivot b14 and rotates, can make conveying chain 16 and feeding claw 17 rotate and continue the pay-off, and power simple structure is common, the manufacturing of being convenient for.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A cooling device for seamless steel tube core rods is characterized by comprising a cooling pool (1), a floating plate (4), core rods (5), a supporting plate (8), a rotating shaft a (12), a rotating shaft b (14) and a conveying chain (16);

the cooling pool (1) contains cooling liquid; the floating plates (4) are arranged on the inner wall of the cooling pool (1) in a sliding mode along the vertical direction, the floating plates (4) float on the liquid level, the floating plates (4) are arranged in two groups, the two groups of floating plates (4) are respectively positioned at the front end position and the rear end position of the right side of the cooling pool (1), arc-shaped grooves are formed in the two groups of floating plates (4), and two ends of the core rod (5) are positioned in the two groups of arc-shaped grooves; the supporting plate (8) is vertically arranged on the inner wall of the bottom of the cooling pool (1); the material guide plate (9) is obliquely arranged on the support plate (8) towards the upper left, the discharge plate (10) is obliquely arranged at the top of the material guide plate (9) towards the lower left, and two groups of avoidance grooves (11) are arranged on the material guide plate (9) and the discharge plate (10); the rotating shaft a (12) and the rotating shaft b (14) are rotatably arranged on the inner wall of the cooling pool (1) along the front-back direction, the rotating shaft a (12) is positioned at the lower right side of the rotating shaft b (14), two groups of chain wheels a (13) are arranged on the rotating shaft a (12), two groups of chain wheels b (15) are arranged on the rotating shaft b (14), the chain wheels a (13) and the chain wheels b (15) are in transmission connection through a conveying chain (16), a feeding claw (17) is arranged on the conveying chain (16), the feeding claw (17) penetrates through the avoiding groove (11), and two groups of conveying chains (16) are arranged; the cooling pool (1) is provided with a power component which drives the rotating shaft b (14) to rotate.

2. The seamless steel tube mandrel cooling device according to claim 1, wherein the front side and the rear side of the cooling pool (1) are respectively provided with a water pipe (2), and the water pipes (2) are provided with valves (3).

3. The mandrel cooling device for the seamless steel tube according to claim 1, wherein the front and rear inner walls of the cooling pool (1) are vertically provided with slide rails (6), the tops of the two sets of slide rails (6) are provided with baffle plates (7), the two sets of floating plates (4) are provided with slide blocks, the slide blocks are connected with the slide rails (6) in a sliding manner, and the sliding direction of the slide blocks is vertical.

4. The mandrel cooling device for seamless steel pipes according to claim 1 is characterized in that the bottom of the discharging plate (10) is located above the cooling pool (1).

5. The cooling device for the mandrel of the seamless steel pipe according to claim 1, wherein the material guide plate (9) and the material discharge plate (10) are integrally arranged.

6. The seamless steel tube mandrel cooling device according to claim 1, wherein the power assembly comprises a chain wheel c (18), a rotating shaft c (19), a chain wheel d (20), a mounting seat (21) and a motor (22); the mounting seat (21) is arranged at the top of the cooling pool (1); the rotating shaft c (19) is horizontally and rotatably arranged on the mounting seat (21), and the rotating shaft c (19) is positioned above the rotating shaft b (14) and is parallel to the rotating shaft b (14); the chain wheel d (20) is arranged on the rotating shaft c (19), the chain wheel c (18) is arranged on the rotating shaft b (14), and the chain wheel d (20) is in transmission connection with the chain wheel c (18) through a chain; the motor (22) is arranged on the mounting base (21), and an output shaft of the motor (22) is connected with the rotating shaft c (19).

7. The mandrel cooling device for seamless steel pipes according to claim 1, wherein the length of the mandrel (5) is larger than the front and back dimensions of the guide plate (9).

8. The cooling device for the seamless steel tube core rod according to claim 1, wherein the lowest point of the floating plate (4) is positioned below the guide plate (9).