Ingot pulling chamber anti-toppling guide device for electron beam cold hearth smelting furnace

Abstract

The ingot pulling chamber anti-toppling guide device for the electron beam cold hearth smelting furnace comprises guide wheel supports which are arranged on the two sides of an ingot pulling chamber and fixed to a moving trolley in an ingot pulling chamber lifting and translation mechanism, a mounting base plate is fixed to a side plate, facing the ingot pulling chamber side, of each guide wheel support, and a guide wheel device is adjustably arranged in the middle of each mounting base plate. A guide wheel in the guide wheel device is matched with a guide rail which is arranged on the outer side of the ingot pulling chamber and synchronously ascends and descends along with the ingot pulling chamber, and anti-toppling guiding of the ingot pulling chamber is achieved under the cooperation of the guide wheel device and the guide rail. The utility model solves the problem of rollover or deflection during lifting of the ingot pulling chamber, ensures the lifting stability of the ingot pulling chamber, avoids equipment failure caused by collision with other parts in the lifting process of the ingot pulling chamber, ensures the reliability and stability of normal operation of equipment, and has the advantages of simple structure, reasonable design, adjustable mounting position of the guide wheel device and high practicability. And reliable matching with the guide rail is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electron beam cooling bed melting furnaces, and in particular relates to an anti-dumping guide device for an ingot pulling chamber of an electron beam cooling bed melting furnace. Background Art

[0002] Electron beam melting belongs to the category of vacuum metallurgy. Vacuum metallurgy requires the addition of some complex, high-tech and expensive vacuum equipment due to the use of vacuum technology. Electron beam furnaces are used to melt refractory metals, alloys, their compounds and composite materials. Due to their unique high melting points and other unique properties, they have always been developed as high-tech materials and occupy an important position in the national economy, especially in the fields of national defense, aerospace, electronic information, energy, chemical defense, metallurgy and nuclear industry. They play an irreplaceable role and are highly valued by countries around the world. It has become one of the most active research fields in the field of materials science.

[0003] At present, in the lifting and translation mechanism of the ingot pulling chamber in the electron beam cold bed melting furnace, when the lifting and translation mechanism controls the lifting of the ingot pulling chamber, since the ingot pulling chamber is long and heavy, there is a risk of the ingot pulling chamber tipping over or swinging when driving the ingot pulling chamber to lift and lower. In order to ensure the lifting stability of the ingot pulling chamber and avoid collision with other components during the lifting process to cause equipment failure and affect the normal operation of the equipment, it is necessary to design an anti-dumping guide device for the ingot pulling chamber on the lifting and translation mechanism of the ingot pulling chamber. Utility Model Content

[0004] The technical problem solved by the utility model is: to provide an anti-dumping guide device for an ingot pulling chamber of an electron beam cooling bed melting furnace, by arranging a guide wheel bracket on a moving trolley in the lifting and translation mechanism of the ingot pulling chamber, and by installing a seat plate to adapt the guide wheel device installed on the guide wheel bracket to the guide rail that is synchronously lifted and lowered with the ingot pulling chamber, so as to realize anti-dumping guidance for the ingot pulling chamber, solve the problem of rollover or swaying when the ingot pulling chamber is lifted and lowered, ensure the lifting stability of the ingot pulling chamber, avoid collision with other components during the lifting of the ingot pulling chamber and cause equipment failure, ensure the reliable stability of the normal operation of the equipment, simple structure, reasonable design, adjustable installation position of the guide wheel device, ensure reliable adaptation to the guide rail.

[0005] The technical solution adopted by the utility model: an anti-dumping guide device for an ingot pulling chamber of an electron beam cooling bed melting furnace, comprising guide wheel brackets arranged on both sides of the ingot pulling chamber and fixed on a moving trolley in a lifting and translation mechanism of the ingot pulling chamber, a mounting seat plate being fixed on the side plate of the guide wheel bracket facing the ingot pulling chamber, and a guide wheel device being adjustably provided at the middle position of the mounting seat plate, a guide wheel in the guide wheel device being adapted to a guide rail arranged on the outer side of the ingot pulling chamber and rising and falling synchronously with the ingot pulling chamber, and anti-dumping guiding of the ingot pulling chamber is achieved under the cooperation of the guide wheel device and the guide rail.

[0006] Among them, the guide wheel device includes a guide wheel and a fixed shaft, the fixed shaft is a stepped shaft with a middle diameter larger than the diameters at both ends, and a shoulder is provided in the middle position of the middle section, and two bearings are installed in the middle of the fixed shaft, which are respectively located on both sides of the shoulder and are adapted to be connected with the center hole of the guide wheel, and the outer ends of the two bearings are positioned by distance rings arranged in the center hole of the guide wheel, and bearing pressure covers that are sealed with the fixed shaft sleeve are fixed at both ends of the center hole of the guide wheel.

[0007] Furthermore, the guide wheel bracket is composed of a base plate, two vertical plates parallel to each other and arranged perpendicularly to the ingot pulling chamber, and grooves are made on both end surfaces of the guide wheel arranged parallel to the ingot pulling chamber, and the bearing cover mounted on the fixed shaft is adapted to the groove, and a plurality of countersunk holes are evenly distributed on the circumference of the bearing cover, and screws that pass through the countersunk holes and fit into the threaded holes on the groove surface fix the bearing cover to the end of the guide wheel, and the protruding pressure ring on the inner wall of the bearing cover abuts against the outer end surface of the bearing.

[0008] Furthermore, the guide wheel bracket consists of a base plate, two vertical plates parallel to each other and arranged perpendicular to the ingot pulling chamber, and a sealing groove is formed on the inner hole wall of the bearing pressure cover parallel to the ingot pulling chamber, and the felt ring adapted to be in the sealing groove contacts and seals with the fixed shaft.

[0009] Furthermore, the guide wheel bracket is composed of a base plate, two vertical plates parallel to each other and arranged perpendicularly to the ingot pulling chamber, and the guide wheel bracket side plates and the mounting seat plate parallel to the ingot pulling chamber, and the middle of the plate surface are provided with corresponding cross-shaped mounting grooves, the guide wheel is located in the vertical long groove of the mounting groove, and the two ends of the fixed shaft are respectively located in the horizontal long grooves at both ends of the mounting groove, and the horizontal long grooves at both ends of the mounting groove on the side plates of the guide wheel bracket are provided with mounting blocks fixed to the mounting seat plate, and the mounting blocks are fixedly connected to the small diameter section of the fixed shaft by bolts.

[0010] Furthermore, the guide wheel bracket is composed of a base plate, two vertical plates parallel to each other and vertically arranged with the ingot pulling chamber, and milling planes are symmetrically processed on both sides of the outer walls of the small diameter sections at both ends of the fixed shaft parallel to the ingot pulling chamber. The mounting block is a T-shaped block. The large head end of the mounting block is located in the horizontal long groove of the mounting groove on the side plate of the guide wheel bracket and is fixedly connected to the mounting seat plate by bolts. The small head end of the mounting block is inserted into the horizontal long groove at the corresponding end of the mounting groove on the mounting seat plate and contacts the milling plane at the corresponding end of the fixed shaft. A countersunk hole is formed in the middle of the mounting block, and the bolts passing through the countersunk hole are adapted to be connected with the threaded holes on the milling plane to realize the installation of the guide wheel device on the mounting seat plate.

[0011] Furthermore, the guide wheel bracket is welded from a base plate, two vertical plates parallel to each other and vertically arranged with the ingot pulling chamber, and a side plate parallel to the ingot pulling chamber and fixedly connected to the two vertical plates; the base plate of the guide wheel bracket is fixedly connected to the moving trolley by bolts, the mounting seat plate is fixedly connected to the side plate of the guide wheel bracket by a plurality of connecting screws, a pad is provided between the mounting seat plate and the side plate of the guide wheel bracket, and the horizontal installation position of the guide wheel device can be adjusted by adjusting the thickness of the pad.

[0012] The advantages of this utility model compared with the prior art:

[0013] 1. This technical solution provides installation support conditions for the guide wheel device, which are convenient for disassembly and assembly, reliable support, and adjustable installation position, by arranging a guide wheel bracket on the moving trolley in the lifting and translation mechanism of the ingot pulling chamber, and fixing the mounting base plate on which the guide wheel device is installed on the guide wheel bracket;

[0014] 2. This technical solution adapts the guide wheel device installed on the guide wheel bracket to the guide rail that rises and falls synchronously with the ingot pulling chamber by installing the seat plate, so as to realize the anti-dumping guidance of the ingot pulling chamber, solve the problem of rollover or swaying when the ingot pulling chamber rises and falls, and ensure the lifting stability of the ingot pulling chamber;

[0015] 3. This technical solution adopts a structure in which a pad is provided between the side plate of the guide wheel bracket and the mounting seat plate. The distance between the guide wheel and the guide rail is adjusted by adjusting the thickness of the pad, thereby ensuring reliable adaptation and connection between the guide wheel and the guide rail.

[0016] 4. This technical solution has a simple structure, reasonable design, and good anti-dumping effect. It improves the stability and reliability of the lifting of the ingot pulling chamber, avoids equipment failure caused by collision with other components during the lifting of the ingot pulling chamber, and ensures the reliable stability of the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is the front view of the utility model;

[0019] Figure 3 for Figure 2 Middle AA section view;

[0020] Figure 4 for Figure 3 Right view of . DETAILED DESCRIPTION

[0021] The following will be combined with the embodiment of the present utility model Figure 1-4, clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0024] Anti-dumping guide device for the ingot pulling chamber of an electron beam cooling hearth melting furnace, such as Figure 1-4 As shown, it includes a guide wheel bracket 1 arranged on both sides of the ingot pulling chamber and fixed on a moving trolley in the ingot pulling chamber lifting and translation mechanism, a mounting seat plate 2 is fixed on the side plate of the guide wheel bracket 1 facing the ingot pulling chamber, and a guide wheel device is adjustably provided in the middle position of the mounting seat plate 2, the guide wheel 3 in the guide wheel device is adapted to a guide rail arranged on the outer side of the ingot pulling chamber and synchronously lifted and lowered with the ingot pulling chamber, and the anti-dumping guidance of the ingot pulling chamber is achieved under the cooperation of the guide wheel device and the guide rail; in the above structure, by arranging a guide wheel bracket 1 on the moving trolley in the ingot pulling chamber lifting and translation mechanism, and fixing the mounting seat plate 2 with the guide wheel device installed on the guide wheel bracket 1, the guide wheel device is provided with installation support conditions with convenient disassembly and assembly, reliable support and adjustable installation position; the guide wheel device installed on the guide wheel bracket 1 is adapted to the guide rail synchronously lifted and lowered with the ingot pulling chamber through the mounting seat plate 2, so as to achieve the anti-dumping guidance of the ingot pulling chamber, solve the problem of rollover or swaying when the ingot pulling chamber is lifted and lowered, and ensure the lifting stability of the ingot pulling chamber;

[0025] The specific structure of the guide wheel device is as follows: the guide wheel device includes a guide wheel 3 and a fixed shaft 4, the fixed shaft 4 is a stepped shaft with a middle diameter larger than the diameters at both ends, and a shaft shoulder is provided in the middle of the middle section, two bearings 5 ​​are installed in the middle of the fixed shaft 4, which are respectively located on both sides of the shaft shoulder and are adapted to be connected with the center hole of the guide wheel 3, and the outer ends of the two bearings 5 ​​are positioned by a distance ring 6 provided in the center hole of the guide wheel 3, wherein the shaft shoulder is used to position the inner rings of the two bearings 5, and bearing glands 7 which are sealed with the fixed shaft 4 are fixed at both ends of the center hole of the guide wheel 3; The guide wheel 3 is body-shaped, and grooves are formed on both end surfaces, and the bearing cover 7 mounted on the fixed shaft 4 is adapted to be fitted into the grooves. A plurality of countersunk holes are evenly distributed on the circumference of the bearing cover 7, and screws 8 that pass through the countersunk holes and fit into the threaded holes on the groove surface fix the bearing cover 7 to the end of the guide wheel 3. The protruding pressure ring on the inner wall of the bearing cover 7 abuts against the outer end surface of the bearing 5, and the outer ring of the bearing 5 is positioned while the bearing cover 7 is dustproof; specifically, a sealing groove is formed on the inner hole wall of the bearing cover 7, and a felt ring 9 adapted to be in contact with the fixed shaft 4 for sealing.

[0026] The installation structure of the guide wheel device on the mounting seat plate 2 is as follows: the side plate of the guide wheel bracket 1 and the middle of the plate surface of the mounting seat plate 2 are both formed with a cross-shaped installation groove 10 corresponding to the position, and the guide wheel 3 is located in the vertical long groove of the installation groove 10, providing an installation space for the guide wheel 3, which is conducive to reducing the installation space, and the two ends of the fixed shaft 4 are respectively located in the horizontal long grooves at the two ends of the installation groove 10, and the horizontal long grooves at the two ends of the installation groove 10 on the side plate of the guide wheel bracket 1 are provided with installation blocks 12 fixed to the mounting seat plate 2, and the installation blocks 12 are fixedly connected to the small diameter section of the fixed shaft 4 by bolts; specifically, the outer walls of the small diameter sections at both ends of the fixed shaft 4 are symmetrically processed with milling planes 11, and the installation blocks 12 is a T-shaped block, the large head end of the mounting block 12 is located in the horizontal long groove of the mounting groove 10 on the side plate of the guide wheel bracket 1 and is fixedly connected to the mounting seat plate 2 by bolts, the small head end of the mounting block 12 is inserted into the horizontal long groove at the corresponding end of the mounting groove 10 on the mounting seat plate 2 and contacts the milling plane 11 at the corresponding end of the fixed shaft 4, a countersunk hole is formed in the middle of the mounting block 12, and the bolts passing through the countersunk hole are adapted to be connected with the threaded holes on the milling plane 11 to realize the installation of the guide wheel device on the mounting seat plate 2; the structure of the milling plane 11 and the mounting block 12 being matched and connected, on the one hand, reduces the difficulty of fixed connection between the two, and on the other hand, performs axial positioning of the fixed shaft 4 to ensure that the position of the fixed shaft 4 is fixed and reliable.

[0027] The specific structure of the guide wheel bracket 1 is as follows: the guide wheel bracket 1 is welded by a bottom plate, two vertical plates parallel to each other and arranged vertically with the ingot pulling chamber, and a side plate arranged parallel to the ingot pulling chamber and fixedly connected to the two vertical plates. The bottom plate of the guide wheel bracket 1 is fixedly connected to the moving trolley by bolts, and the mounting seat plate 2 is fixedly connected to the side plates of the guide wheel bracket 1 by multiple connecting screws 13. A pad 14 is provided between the mounting seat plate 2 and the side plates of the guide wheel bracket 1, and the horizontal installation position of the guide wheel device is adjusted by adjusting the thickness of the pad 14, thereby adjusting the distance between the guide wheel 3 and the guide rail, ensuring that the guide wheel 3 and the guide rail are reliably adapted and connected;

[0028] The technical solution has a simple structure, reasonable design, good anti-dumping effect, improves the stability and reliability of the lifting of the ingot pulling chamber, avoids equipment failure caused by collision with other components during the lifting of the ingot pulling chamber, and ensures the reliable stability of the normal operation of the equipment.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An anti-dumping guide device for an ingot pulling chamber of an electron beam cooling hearth melting furnace, characterized in that: The invention comprises a guide wheel bracket (1) arranged on both sides of the ingot pulling chamber and fixed on a movable trolley in the lifting and translating mechanism of the ingot pulling chamber, a mounting seat plate (2) is fixed on the side plate of the guide wheel bracket (1) facing the ingot pulling chamber, and a guide wheel device is adjustable in the middle position of the mounting seat plate (2), and a guide wheel (3) in the guide wheel device is adapted to a guide rail arranged on the outside of the ingot pulling chamber and synchronously lifted and lowered with the ingot pulling chamber, and the ingot pulling chamber is guided to prevent tipping by the cooperation of the guide wheel device and the guide rail.

2. The ingot pulling chamber anti-dumping guide device for an electron beam cooling hearth melting furnace according to claim 1, characterized in that: The guide wheel device comprises a guide wheel (3) and a fixed shaft (4), wherein the fixed shaft (4) is a stepped shaft with a diameter in the middle portion being larger than the diameters at both ends, and a shaft shoulder is provided in the middle of the middle section, and two bearings (5) are installed in the middle of the fixed shaft (4), which are respectively located on both sides of the shaft shoulder and are adapted to be connected with the center hole of the guide wheel (3), and the outer ends of the two bearings (5) are positioned by means of a distance ring (6) provided in the center hole of the guide wheel (3), and bearing glands (7) which are sealed with the fixed shaft (4) are fixed at both ends of the center hole of the guide wheel (3).

3. The ingot pulling chamber anti-dumping guide device for an electron beam cooling hearth melting furnace according to claim 2, characterized in that: The two end surfaces of the guide wheel (3) are formed with grooves, and the bearing cover (7) mounted on the fixed shaft (4) is adapted to fit in the grooves. The bearing cover (7) is evenly distributed on the circumference with a plurality of countersunk holes, and screws (8) passing through the countersunk holes and fittingly connected with the threaded holes on the groove surface fix the bearing cover (7) to the end of the guide wheel (3). The protruding pressure ring on the inner wall of the bearing cover (7) abuts against the outer end surface of the bearing (5).

4. The anti-dumping guide device for the ingot pulling chamber of the electron beam cooling hearth melting furnace according to claim 3 is characterized in that: A sealing groove is formed on the inner hole wall of the bearing gland (7), and a felt ring (9) adapted to fit in the sealing groove contacts and seals with the fixed shaft (4).

5. The ingot pulling chamber anti-dumping guide device for an electron beam cooling hearth melting furnace according to claim 4, characterized in that: The side plates of the guide wheel bracket (1) and the middle parts of the mounting seat plate (2) are both provided with cross-shaped mounting grooves (10) corresponding to the positions. The guide wheel (3) is located in the vertical long groove of the mounting groove (10), and the two ends of the fixed shaft (4) are respectively located in the horizontal long grooves at the two ends of the mounting groove (10). The horizontal long grooves at the two ends of the mounting groove (10) on the side plates of the guide wheel bracket (1) are provided with mounting blocks (12) fixed to the mounting seat plate (2), and the mounting blocks (12) are fixedly connected to the small diameter section of the fixed shaft (4) by bolts.

6. The anti-dumping guide device for the ingot pulling chamber of the electron beam cooling hearth melting furnace according to claim 5, characterized in that: The outer walls of the small diameter sections at both ends of the fixed shaft (4) are symmetrically processed with milling planes (11); the mounting block (12) is a T-shaped block; the large head end of the mounting block (12) is located in the horizontal long groove of the mounting groove (10) on the side plate of the guide wheel bracket (1) and is fixedly connected to the mounting seat plate (2) by bolts; the small head end of the mounting block (12) is inserted into the horizontal long groove at the corresponding end of the mounting groove (10) on the mounting seat plate (2) and contacts the milling plane (11) at the corresponding end of the fixed shaft (4); a countersunk hole is formed in the middle of the mounting block (12), and the bolt passing through the countersunk hole is adapted to be connected with the threaded hole on the milling plane (11) to realize the installation of the guide wheel device on the mounting seat plate (2).

7. The anti-dumping guide device for an ingot pulling chamber of an electron beam cooling hearth melting furnace according to any one of claims 1 to 6, characterized in that: The guide wheel bracket (1) is welded from a bottom plate, two vertical plates parallel to each other and arranged perpendicularly to the ingot pulling chamber, and a side plate arranged parallel to the ingot pulling chamber and fixedly connected to the two vertical plates. The bottom plate of the guide wheel bracket (1) is fixedly connected to the moving trolley by bolts, and the mounting seat plate (2) is fixedly connected to the side plate of the guide wheel bracket (1) by a plurality of connecting screws (13). A pad (14) is provided between the mounting seat plate (2) and the side plate of the guide wheel bracket (1), and the horizontal installation position of the guide wheel device can be adjusted by adjusting the thickness of the pad (14).

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