CN213729868U

CN213729868U - Scrap steel cutting and connecting assembly and scrap steel cutting device

Info

Publication number: CN213729868U
Application number: CN202021920283.9U
Authority: CN
Inventors: 王长富; 何海山; 党海龙; 范立鑫; 李子辉; 刘辉
Original assignee: HBIS Co Ltd Chengde Branch
Current assignee: HBIS Co Ltd Chengde Branch
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-07-20
Anticipated expiration: 2030-09-04

Abstract

The utility model provides a scrap steel cutting and connecting assembly and a scrap steel cutting device, which relate to the technical field of scrap steel processing equipment and comprise a flexible pipe, a joint, a transition pipe and a reducer pipe which are connected in sequence; the entrance point of flexible pipe is used for linking to each other with the oxygen outlet pipe, and the exit end of transition pipe is equipped with the top piece, still is equipped with the sealing member that is located oxygen cutting pipe periphery in the reducing pipe. The utility model provides a scrap steel cutting coupling assembling, utilize the flexible tube to link to each other with the oxygen outlet pipe, the other end at the flexible tube has set up the joint, transition pipe and reducing pipe, it is intraductal to pass the reducing pipe and extend to the transition with oxygen cutting pipe, it is fixed with oxygen cutting pipe to utilize the top of transition on the pipe, the sealing member of reducing intraductal setting, can cut the gap between pipe periphery and the reducing pipe inner wall with oxygen and carry out effective shutoff, avoid oxygen to leak the tempering phenomenon that causes in the gap between pipe and the reducing pipe from oxygen cutting, the security of scrap steel cutting process has been improved.

Description

Scrap steel cutting and connecting assembly and scrap steel cutting device

Technical Field

The utility model belongs to the technical field of the steel scrap treatment facility, more specifically say, relate to a steel scrap cutting coupling assembling and be equipped with this steel scrap cutting coupling assembling's steel scrap cutting device.

Background

During the steel making process, a certain amount of scrap steel is inevitably produced. The scrap steel comprises the residual scrap steel of the tundish and the steel ladle residual steel, and the scrap steel needs to be cut into small blocks of cold materials meeting certain size requirements so as to be added into a converter for use later.

The existing method for cutting the scrap steel adopts an oxygen cutting pipe to cut the scrap steel, when the oxygen cutting pipe is connected with an oxygen outlet pipe of an air source, a rubber pipe is sleeved on the outlet pipe, and then the oxygen cutting pipe is directly inserted into the other end of the rubber pipe. Oxygen cutting pipe when carrying out the scrap steel cutting, oxygen cutting pipe needs frequent shift position, often because connect the not firm leakage that takes place oxygen between rubber tube and the oxygen cutting pipe, because this department is nearer apart from the cutting point, so receive the influence very easily and take place the tempering phenomenon, and then cause operating personnel burn accident, the security is extremely poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scrap steel cutting coupling assembling and scrap steel cutting device to the oxygen that exists among the solution prior art cuts the technical problem that pipe and rubber tube junction produce the tempering phenomenon easily, cause the incident.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a scrap steel cutting and connecting assembly, wherein one end of the scrap steel cutting and connecting assembly is connected with an oxygen outlet pipe, and the other end of the scrap steel cutting and connecting assembly is connected with an oxygen cutting pipe; comprises a flexible pipe, a joint, a transition pipe and a reducer pipe which are connected in sequence; the entrance point of flexible pipe is used for linking to each other with the oxygen outlet pipe, and the exit end of transition pipe is equipped with top piece, the inner of top piece be used for with extend to in the transition pipe and with the outer wall butt of oxygen cutting pipe to the axial position of locking oxygen cutting pipe still is equipped with the sealing member between the inner wall of reducing pipe and the outer wall of oxygen cutting pipe.

As another embodiment of this application, the entrance point of flexible pipe is used for the cover to be located on the oxygen outlet pipe, and the periphery of flexible pipe still is around being equipped with the steel wire.

As another embodiment of the present application, the outlet end of the flexible pipe is used for being sleeved on the inlet end of the joint, the outer periphery of the inlet end of the joint is surrounded by a plurality of limiting rings for supporting the flexible pipe to the outer periphery to limit the axial position of the flexible pipe, and the limiting rings are arranged at intervals along the axial direction of the joint.

As another embodiment of the application, the cross section of the limiting ring is triangular, and the outer end of the limiting ring inclines to the side far away from the flexible pipe.

As another embodiment of the present application, a flow control valve is provided on the transition pipe.

As another embodiment of the present application, the transition pipe includes a quartering pipe and a sextant pipe, the quartering pipe is sleeved on the outer circumference of the outlet end of the joint and is in threaded connection with the joint, and the flow control valve is disposed on the quartering pipe; the six-branch pipe is fixedly connected with the outlet end of the four-branch pipe, and the jacking piece is arranged on the six-branch pipe.

As another embodiment of the application, the reducing pipe is changed into a six-minute one-inch reducing pipe.

As another embodiment of the application, the outlet end of the transition pipe is provided with internal threads, and the inlet end of the reducer pipe is provided with external threads matched with the internal threads.

As another embodiment of the present application, the outer end of the tightening member is provided with a force applying rod arranged perpendicular to the axial direction of the tightening member.

The utility model provides a scrap steel cutting coupling assembling's beneficial effect lies in: compared with the prior art, the utility model provides a scrap steel cutting coupling assembling utilizes the flexible tube to link to each other with the oxygen outlet pipe, the other end at the flexible tube has set up the joint, transition pipe and reducing pipe, it passes reducing pipe and extends to in the transition pipe to cut the pipe with oxygen, it is fixed with oxygen cutting pipe to utilize the top of transition on the pipe tie-down piece, the sealing member of reducing intraductal setting, can cut the gap between pipe periphery and the reducing intraductal wall with oxygen and carry out effective shutoff, avoid oxygen to leak the tempering phenomenon that causes from oxygen cutting pipe and reducing pipe between the gap, the security of scrap steel cutting process has been improved.

The utility model also provides a scrap steel cutting device for link to each other with the oxygen outlet pipe, be equipped with scrap steel cutting coupling assembling. This scrap steel cutting coupling assembling can effectually avoid the tempering problem, is convenient for guarantee the security of cutting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of a partial cross-sectional structure of a use state of a scrap steel cutting connection assembly provided in an embodiment of the present invention;

fig. 2 is a partial sectional structural view of the joint of fig. 1.

Wherein, in the figures, the respective reference numerals:

1. a flexible tube; 11. a steel wire; 2. a joint; 21. a limiting ring; 3. a transition duct; 31. quartering pipes; 32. sixthly, dividing the pipe into six pipes; 4. a reducer pipe; 41. a seal member; 51. a flow control valve; 52. a top tightening member; 53. a force application rod; 61. an oxygen outlet pipe; 62. and cutting the pipe by oxygen.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2, a scrap cutting connection assembly and a scrap cutting apparatus according to the present invention will be described. One end of the scrap steel cutting and connecting assembly is connected with the oxygen outlet pipe 61, and the other end of the scrap steel cutting and connecting assembly is connected with the oxygen cutting pipe 62; comprises a flexible pipe 1, a joint 2, a transition pipe 3 and a reducer pipe 4 which are connected in sequence; the inlet end of the flexible pipe 1 is used for being connected with an oxygen outlet pipe 61, the outlet end of the transition pipe 3 is provided with an abutting piece 52, the inner end of the abutting piece 52 is used for being abutted with the outer wall of the oxygen cutting pipe 62 and extending into the transition pipe 3 so as to lock the axial position of the oxygen cutting pipe 62, and a sealing piece 41 is further arranged between the inner wall of the reducer pipe 4 and the outer wall of the oxygen cutting pipe 62.

In this embodiment, the flexible pipe 1 is connected to the rigid transition pipe 3 by the joint 2, and the oxygen cutting pipe 62 is locked in the transition pipe 3 by the top member 52, so as to realize a reliable connection with the transition pipe 3. The use of the sealing element 41 effectively ensures the connection firmness of the oxygen cutting pipe 62 and avoids the tempering problem caused by oxygen leakage. The connection among the joint 2, the transition pipe 3 and the reducer pipe 4 which are arranged close to the oxygen cutting pipe 62 has good tightness, and the tempering phenomenon caused by oxygen leakage can be effectively avoided.

The utility model provides a pair of scrap steel cutting coupling assembling, compared with the prior art, the utility model provides a scrap steel cutting coupling assembling utilizes flexible pipe 1 to link to each other with oxygen outlet pipe 61, the other end at flexible pipe 1 has set up joint 2, transition pipe 3 and reducing pipe 4, pass reducing pipe 4 and extend to in the transition pipe 3 with oxygen cutting pipe 62, cut pipe 62 through top retainer 52 with oxygen and fix in transition pipe 3, the sealing member 41 that sets up in reducing pipe 4, can cut the gap between pipe 62 periphery and the reducing pipe 4 inner wall with oxygen and effectively block up, avoid oxygen to leak the phenomenon that causes from the gap between oxygen cutting pipe 62 and the reducing pipe 4, the security of scrap steel cutting process has been improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the inlet end of the flexible tube 1 is used for being sleeved on the oxygen outlet tube 61, and the periphery of the flexible tube 1 is further provided with the steel wire 11. When the flexible pipe 1 is connected with the oxygen outlet pipe 61, the inlet end of the flexible pipe 1 is expanded and sleeved on the periphery of the oxygen outlet pipe 61, in order to ensure the reliability of connection between the flexible pipe 1 and the oxygen outlet pipe 61, the steel wire 11 is also wound around the periphery of the flexible pipe 1, the tail end of the steel wire 11 is screwed, the tightness of connection between the flexible pipe 1 and the oxygen outlet pipe 61 is ensured, the oxygen cutting pipe 62 can be conveniently moved in subsequent welding due to the arrangement of the flexible pipe 1, and the convenience of operation is realized.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the outlet end of the flexible pipe 1 is used for sleeving the inlet end of the joint 2, the periphery of the inlet end of the joint 2 is surrounded by a plurality of limiting rings 21 for supporting the flexible pipe 1 to the outside periphery to limit the axial position of the flexible pipe 1, and the limiting rings 21 are arranged along the axial direction of the joint 2 at intervals.

When the flexible pipe 1 is connected with the joint 2, the flexible pipe 1 also needs to be firstly expanded and then sleeved on the periphery of the inlet end of the joint 2. In the connection process, the limit ring 21 arranged on the periphery of the inlet end of the joint 2 is used for supporting the inner wall of the flexible pipe 1 to form close contact, so that the flexible pipe 1 is prevented from falling off.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the cross section of the limiting ring 21 is triangular, and the outer end of the limiting ring 21 inclines to a side away from the flexible tube 1. The cross-section of spacing ring 21 is triangle-shaped, and the outer end is to the lopsidedness from flexible tube 1 dorsad, is convenient for guarantee the stable position between flexible tube 1 and the spacing ring 21 like this, avoids flexible tube 1 to drop from connecting 2, and then has guaranteed inseparable connection effect. Furthermore, the outer end of the limiting ring 21 is provided with an arc transition, so that damage to the inner wall of the flexible pipe 1 can be avoided, the connection reliability is effectively improved, and oxygen leakage is avoided.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, a flow control valve 51 is disposed on the transition pipe 3, and the flow control valve 51 disposed on the transition pipe 3 can control the supply flow of oxygen, so as to adjust the oxygen flow according to the welding requirement.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the transition pipe 3 includes a quartering pipe 31 and a sextant pipe 32, the quartering pipe 31 is sleeved on the periphery of the outlet end of the joint 2 and is in threaded connection with the joint 2, and the flow control valve 51 is disposed on the quartering pipe 31; the sextant tube 32 is fixedly connected with the outlet end of the tetratomic tube 31, and the jacking piece 52 is arranged on the sextant tube 32.

In this embodiment, the oxygen gas is supplied through the quartering pipe 31, and the flow rate is effectively controlled by the flow rate control valve 51. Corresponding to the actual size of oxygen cut tube 62, it is necessary to utilize sextant tube 32 with a larger inner diameter to accommodate oxygen cut tube 62. Since the outer diameter of the quarter tube 31 is consistent with the inner diameter of the quarter tube 32, the quarter tube 31 can be directly welded with the quarter tube 32.

Furthermore, the reducing pipe 4 is changed into one inch in six minutes. When effectively being connected with sextant pipe 32, the exit end that still needs reducing pipe 4 again sets up sealing member 41 for fill the gap of oxygen cutting pipe 62 periphery, guarantee that reducing pipe 4 and oxygen cutting pipe 62's junction can not take place oxygen and leak, and then avoid the tempering phenomenon.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the outlet end of the transition pipe 3 is provided with an internal thread, and the inlet end of the reducer pipe 4 is provided with an external thread for matching with the internal thread. Adopt threaded connection between transition pipe 3 and the reducing pipe 4, reducing pipe 4 has the less entrance point of diameter and the great exit end of diameter, and the periphery of the entrance point of reducing pipe 4 is equipped with the external screw thread, and the periphery of the exit end of transition pipe 3 is equipped with the internal thread, and the effective connection between the two is realized through screw-thread fit to the entrance point of transition pipe 3 and reducing pipe 4.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, an outer end of the tightening member 52 is provided with a force applying rod 53 perpendicular to the axial direction of the tightening member 52. The force application rod 53 can effectively increase the force arm, so that the tightening of the tightening piece 52 is more successful, and the effective abutting of the outer wall of the oxygen cutting pipe 62 is conveniently realized. The top member 52 is screwed on the sextant pipe 32, the force applying rod 53 is arranged at the upper end of the top member 52, and the top member 52 is rotated by driving the two ends of the force applying rod 53, so that the oxygen cutting pipe 62 is effectively locked.

The utility model provides a scrap steel cutting device, scrap steel cutting coupling assembling has been adopted, utilize flexible tube 1 to link to each other with oxygen outlet pipe 61, the other end at flexible tube 1 has set up joint 2, transition pipe 3 and reducing pipe 4, cut reducing pipe 62 with oxygen and pass reducing pipe 4 and extend to in the transition pipe 3, it is fixed with oxygen cutting pipe 62 to utilize the top piece 52 on the transition pipe 3, the sealing member 41 that sets up in the reducing pipe 4, can cut the gap between 62 peripheries of pipe and the 4 inner walls of reducing pipe with oxygen and effectively block up, avoid oxygen to leak the tempering phenomenon that causes from the gap between oxygen cutting pipe 62 and the reducing pipe 4, the security of scrap steel cutting process has been improved.

The utility model also provides a scrap steel cutting device for link to each other with oxygen outlet pipe 61, scrap steel cutting device is equipped with scrap steel cutting coupling assembling. This scrap steel cutting coupling assembling can effectually avoid the tempering problem, is convenient for guarantee the security of cutting.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The scrap steel cutting and connecting assembly is characterized by comprising a flexible pipe, a joint, a transition pipe and a reducer pipe which are sequentially connected; the entrance point of flexible pipe be used for with the oxygen outlet pipe links to each other, the exit end of transition pipe is equipped with top piece, the inner of top piece be used for with extend to in the transition pipe and with the outer wall butt of oxygen cutting pipe, with the locking the axial position of oxygen cutting pipe, the inner wall of reducing pipe with still be equipped with the sealing member between the outer wall of oxygen cutting pipe.

2. The scrap steel cutting connection assembly according to claim 1, wherein the inlet end of the flexible tube is adapted to be sleeved on the oxygen outlet tube, and the flexible tube is further provided with a steel wire around the outer circumference thereof.

3. The scrap steel cutting connection assembly according to claim 2, wherein the outlet end of the flexible pipe is adapted to be sleeved on the inlet end of the coupling, the inlet end of the coupling is surrounded on the outer circumference by a plurality of retainer rings for supporting the flexible pipe to the outer circumference to define the axial position of the flexible pipe, and the retainer rings are arranged at intervals along the axial direction of the coupling.

4. The scrap steel cutting connection assembly in accordance with claim 3 wherein the spacing ring is triangular in cross-section and the outer end of the spacing ring is inclined to a side away from the flexible pipe.

5. The scrap steel cutting attachment assembly in accordance with claim 1 wherein a flow control valve is provided on the transition tube.

6. The scrap steel cutting connection assembly according to claim 5, wherein the transition duct includes:

the quartering pipe is sleeved on the periphery of the outlet end of the joint and is in threaded connection with the joint, and the flow control valve is arranged on the quartering pipe; and

and the sextant pipe is fixedly connected with the outlet end of the tetratant pipe, and the jacking piece is arranged on the sextant pipe.

7. The scrap steel cutting connection assembly in accordance with claim 6 wherein the reducer is six minutes to one inch reducing.

8. The scrap steel cutting connection assembly according to any one of claims 1-7, wherein the outlet end of the transition pipe is provided with an internal thread and the inlet end of the reducer pipe is provided with an external thread for mating with the internal thread.

9. The scrap steel cutting connection assembly according to any one of claims 1-7 wherein the outer end of the top member is provided with a force applying bar disposed perpendicular to the axial direction of the top member.

10. Scrap cutting device for connection to an oxygen outlet pipe, characterized in that a scrap cutting connection assembly according to any of claims 1-9 is provided.