CN219484638U

CN219484638U - Movable oxygen-free casting device

Info

Publication number: CN219484638U
Application number: CN202320732354.XU
Authority: CN
Inventors: 戴超; 蔡晨龙; 俞鹰; 钱俊杰; 方支灵; 潘荣选
Original assignee: Anhui Tongguan Industrial Technology Research Institute Co ltd
Current assignee: Anhui Tongguan Industrial Technology Research Institute Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-08
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a movable oxygen-free casting device, which relates to the technical field of metal casting and welding and comprises a movable induction heating device, a vacuum tube and a metal piston; the movable induction heating device comprises a guide rail arranged on a bottom plate, a rotary screw rod driven by a motor and a sliding table sleeved with the screw rod in a threaded manner and connected with the guide rail in a sliding manner, an induction heating coil is arranged on the sliding table, and the vacuum tube penetrates through the induction heating coil. The metal rod of the device is sealed in the vacuum tube and is welded in a fusion casting way by matching with the movable induction heating coil, the phenomena of blackening and yellowing of a welding port can be effectively avoided, argon is not required to be used as protective gas, and the use cost is low.

Description

Movable oxygen-free casting device

Technical Field

The utility model relates to the technical field of metal casting welding, in particular to a movable oxygen-free casting device.

Background

Metal fusion welding refers to a joining method in which two separate metal objects are joined together by interatomic bonding by appropriate means. The most widely used fusion cast welding method at present is mainly arc welding, which comprises the following steps: manual arc welding, submerged arc welding, tungsten electrode gas shielded arc welding, plasma arc welding, consumable electrode gas shielded welding, and the like. The second is resistance welding, which is a fusion casting welding method using resistance heat as energy source, and comprises electroslag welding using slag resistance heat as energy source and resistance welding using solid resistance heat as energy source, mainly including spot welding, seam welding, projection welding, butt welding, etc.

However, these fusion welding methods are all operated in the air, and blackening and yellowing occur at the fusion welding port in the fusion welding process, while some fusion welding methods adopt argon protection during fusion welding, when the argon supply is insufficient or the quality is poor, the blackening and yellowing phenomena at the fusion welding port are still difficult to avoid, oxidation is not fundamentally avoided, and meanwhile, the argon is used as a rare gas, so that the use cost is high, and therefore, the mobile oxygen-free fusion casting device has important significance.

Disclosure of Invention

The purpose of this application is to provide a portable anaerobic casting's device, solves the problem that proposes in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions: a movable oxygen-free casting device comprises a movable induction heating device, a vacuum tube and a metal piston;

the movable induction heating device comprises a guide rail arranged on a bottom plate, a rotary screw driven by a motor and a sliding table sleeved on the rotary screw in a sliding manner with the guide rail, wherein an induction heating coil is arranged on the sliding table, and the vacuum tube penetrates through the induction heating coil;

the vacuum tube is arranged on the bottom plate, two ends of the vacuum tube are both openings, two ends of the vacuum tube are provided with sealing components capable of sealing the openings, the two sealing components are detachable, one end of the sealing component on the right side is provided with a movable buckle which can be fixedly inserted with one end of the metal rod, the vacuum tube is provided with an air flow channel, and the air flow channel is provided with a one-way valve;

one end of the metal piston is provided with a movable buckle which can be fixedly inserted with one end of the metal rod, and the other end of the metal piston is provided with a groove which is convenient for the metal piston to be drawn out from the vacuum tube.

Preferably, the vacuum tube further comprises a plurality of supporting blocks capable of supporting the two metal rods in the vacuum tube, the plurality of supporting blocks are arranged in the vacuum tube in a highly uniform manner, the upper ends of the supporting blocks are provided with accommodating cavities matched with the shapes of the metal rods, and the plurality of supporting blocks are installed in the vacuum tube through upright posts.

Preferably, the accommodating cavity is a V-shaped cavity, and the bottom of the V-shaped cavity is arc-shaped.

Preferably, the front end and the rear end of the supporting block are both provided with guide inclined planes.

Preferably, the induction heating coil comprises a plurality of heating coils which are independently arranged, wherein one heating coil is electrically connected with the first control switch, and the induction heating coil is electrically connected with the heating coil and the second control switch.

In summary, the utility model has the technical effects and advantages that:

the utility model has reasonable structure, the metal rod of the device is sealed in the vacuum tube and is matched with the movable induction heating coil to carry out fusion casting welding, the phenomena of blackening and yellowing of the welding port can be effectively avoided, argon is not required to be used as protective gas, and the use cost is low;

the utility model also comprises a plurality of supporting blocks which can support the two metal rods positioned in the vacuum tube, and can prevent the end parts of the two metal rods from being misaligned due to sinking of one end far away from the sealing part caused by overlong metal rods, thereby affecting the welding attractiveness and even the use of welding materials;

in the utility model, the accommodating cavity is arranged as a V-shaped cavity, which is beneficial to the horizontal straight line placement of the metal rod;

in the utility model, the front end and the rear end of the supporting block are both provided with the guide inclined planes which can be contacted with the sinking end of the metal rod and guide the sinking end of the metal rod, thereby being beneficial to the horizontal straight line placement of the metal rod.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the placement positions of the support blocks and the metal bars according to the present utility model;

FIG. 4 is a schematic view of the structure of the support block according to the present utility model.

In the figure: 1. a bottom plate; 2. a guide rail; 3. rotating the screw; 4. a sliding table; 5. a motor; 6. an induction heating coil; 7. a flange; 8. a metal piston; 9. a one-way valve; 10. an air flow channel; 11. a first sealing plate; 12. a second sealing plate; 13. a column; 14. a support block; 15. a V-shaped cavity; 16. a guide slope; 17. and (5) a vacuum tube.

Description of the embodiments

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.

Examples: referring to fig. 1, a mobile oxygen-free casting apparatus includes a mobile induction heating device, a vacuum tube 17 and a metal piston 8; the movable induction heating device comprises a guide rail 2 arranged on a bottom plate 1, a rotary screw rod 3 driven by a motor 5 and a sliding table 4 sleeved on the rotary screw rod 3 and in sliding connection with the guide rail 2, wherein an induction heating coil 6 is arranged on the sliding table 4, and a vacuum tube 17 penetrates through the induction heating coil 6; the vacuum tube 17 is arranged on the bottom plate 1, two ends of the vacuum tube 17 are both openings, two ends of the vacuum tube 17 are provided with sealing components capable of sealing the openings, the two sealing components are detachable, one end of the right sealing component is provided with a movable buckle which can be fixedly inserted with one end of the metal rod, the vacuum tube 17 is provided with an air flow channel 10, and the air flow channel 10 is provided with a one-way valve 9; one end of the metal piston 8 is provided with a movable buckle which can be inserted and fixed with one end of the metal rod, and the other end is provided with a groove which is convenient for extracting the metal piston 8 from the vacuum tube 17;

when the device is used, two sealing parts can be detached from the vacuum tube 17 respectively, one ends of two metal rods are respectively matched and fixed with movable buckles arranged on the metal piston 8 and the sealing parts on the right side, after the operation is finished, the sealing parts on the right side are arranged at the right end of the vacuum tube 17 and are sealed by openings, one end of the metal piston 8, on which the metal rods are arranged, is inserted from the left side of the vacuum tube 17, so that extrusion interference is formed at the ends of the two metal rods, finally, the sealing parts on the left side are arranged at the left end of the vacuum tube 117, the metal rods are placed, the vacuum tube 17 is vacuumized through a vacuum pumping device connected with the air flow channel 10, and finally, the motor 5 is controlled to work, so that the sliding table 4 moves the induction heating coil to the joint of the ends of the two metal rods under the driving of the rotating screw 3, the heating welding treatment is carried out, after the welding is finished, the two sealing parts can be detached, the metal piston 8 is pumped out through the grooves, and the metal rods are taken out, the metal rods are sealed in the vacuum tube 17, and the vacuum inner cavity is subjected to fusion welding, so that the welding ports of the metal rods are effectively avoided, and blackening and yellowing of the welding ports are avoided, and argon gas is not required to be used, and the device is low in cost.

It should be noted that, firstly, the vacuum tube 17 is a high purity quartz tube; the left sealing part is a first sealing plate 11, the right sealing part is a second sealing plate 12, the first sealing plate 11 and the second sealing plate 12 are connected with the flange 7 arranged on the end part of the vacuum tube 17 through bolts, and an elastic sealing gasket is arranged between the first sealing plate 11 and the second sealing plate 12 and between the first sealing plate and the flange 7; and thirdly, the fixing force of the metal piston 8 to the end part of the metal rod is larger than that of the right sealing part to the end part of the metal rod.

As a preferred implementation manner in this embodiment, as shown in fig. 2, the welding device further includes a plurality of supporting blocks 14 capable of supporting two metal rods located in the vacuum tube 17, the plurality of supporting blocks 14 are arranged in the vacuum tube 17 in a height-uniform manner, the upper ends of the supporting blocks 14 are provided with accommodating cavities adapting to the shapes of the metal rods, the plurality of supporting blocks 14 are installed in the vacuum tube 17 through upright posts 13, when the bottoms of the metal rods placed in the vacuum tube 17 are in contact with the bottoms of the accommodating cavities, the metal rods are in a horizontal straight line state, and the supporting blocks 14 have supporting effects on the metal rods, so that the metal rods can be prevented from sinking due to overlong ends far away from the sealing part, the ends of the two metal rods can not be aligned, and the welding attractiveness and even the use of welding materials are affected.

It should be noted that the support block 14 is made of high purity silica, which has a high melting point and is low in cost.

In this embodiment, as shown in fig. 3 and fig. 4, the accommodating cavity is set as a V-shaped cavity 15, and the bottom of the V-shaped cavity 15 is arc-shaped, in the actual fusion welding process, most of the metal rods are in a cylindrical structure, the outer walls of the metal rods can be attached to the arc-shaped surface at the bottom of the V-shaped cavity 15, and the two inclined surfaces of the V-shaped cavity 15 can have a guiding and limiting function on the metal rods, so that the ends of the metal rods can move towards the arc-shaped bottom of the V-shaped cavity 15, and the horizontal straight line placement of the metal rods is facilitated.

In this embodiment, as shown in fig. 3, the front and rear ends of the supporting block 14 are both provided with guiding inclined planes 16, and for a longer metal rod, when the metal rod is inserted into the vacuum tube 17, one end of the metal rod which is not fixed is sunk under the action of gravity, the bottom of the sunk end is lower than the horizontal line of the bottoms of the cavities of the supporting block 14, and the metal rod can be moved into the accommodating cavity by the guiding action of the guiding inclined planes 16.

It should be noted that, the included angle between the guiding inclined plane 16 and the horizontal plane is set to 20 ° to 30 °, the included angle is too large, a large force needs to be applied to the metal rod to slide upwards along the guiding inclined plane from the end capable of sinking, the operation is laborious, and when the angle is too small, if the sinking distance of the metal rod is too large, the sinking end cannot play a guiding role with the guiding inclined plane 16, and the metal rod cannot be placed in a horizontal straight line.

As a preferred implementation manner in this embodiment, as shown in fig. 1, the induction heating coil 6 includes a plurality of heating coils that are independently disposed, one of the heating coils is electrically connected to a first control switch, and is electrically connected to a second control switch, and when two metal bars are fusion welded, the first control switch can be used to control one heating coil to work, and when the metal bars are destressed, the first control switch and the second control switch can be used to simultaneously control the plurality of heating coils to work to destressed the periphery of the welding seam of the metal bar.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail 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 or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a portable anaerobic casting's device which characterized in that: comprises a movable induction heating device, a vacuum tube (17) and a metal piston (8);

the movable induction heating device comprises a guide rail (2) arranged on a bottom plate (1), a rotary screw (3) driven by a motor (5) and a sliding table (4) sleeved on the rotary screw (3) and in sliding connection with the guide rail (2), an induction heating coil (6) is arranged on the sliding table (4), and a vacuum tube (17) penetrates through the induction heating coil (6);

the vacuum tube (17) is arranged on the bottom plate (1), two ends of the vacuum tube (17) are both openings, two ends of the vacuum tube (17) are provided with sealing parts capable of sealing the openings, the two sealing parts are detachable, one end of the sealing part on the right side is provided with a movable buckle which can be fixedly inserted with one end of a metal rod, the vacuum tube (17) is provided with an air flow channel (10), and the air flow channel (10) is provided with a one-way valve (9);

one end of the metal piston (8) is provided with a movable buckle which can be fixedly inserted with one end of the metal rod, and the other end of the metal piston is provided with a groove which is convenient for the metal piston (8) to be drawn out from the vacuum tube (17).

2. A mobile oxygen-free casting apparatus as defined in claim 1 wherein: the vacuum tube also comprises a plurality of supporting blocks (14) which can support two metal rods positioned in the vacuum tube (17), wherein the supporting blocks (14) are arranged in the vacuum tube (17) in a highly uniform manner, the upper ends of the supporting blocks (14) are provided with accommodating cavities matched with the shapes of the metal rods, and the supporting blocks (14) are installed in the inner cavities of the vacuum tube (17) through upright posts (13).

3. A mobile oxygen-free casting apparatus as defined in claim 2 wherein: the accommodating cavity is a V-shaped cavity (15), and the bottom of the V-shaped cavity (15) is arc-shaped.

4. A mobile oxygen-free casting apparatus according to claim 3, wherein: the front end and the rear end of the supporting block (14) are respectively provided with a guide inclined plane (16).

5. A mobile oxygen-free casting apparatus as defined in claim 1 wherein: the induction heating coil (6) comprises a plurality of heating coils which are independently arranged, wherein one heating coil is electrically connected with the first control switch, and the induction heating coil is electrically connected with the heating coil and the second control switch.