Device and method for preventing roller table from being damaged by high temperature

Abstract

The present invention discloses a device and method for preventing roller damage from high temperature, comprising a high-temperature billet cutting bin of a hollow rectangular structure, wherein a feed port and a discharge port are provided on both sides of the high-temperature billet cutting bin, a hot saw is provided on the high-temperature billet cutting bin near the discharge port, a plurality of high-temperature billet cutting bins are provided, the first ends of the plurality of high-temperature billet cutting bins are butted against each other, and a closed section is provided on the high-temperature billet cutting bin near the end of the plurality of high-temperature billet cutting bins, a hot saw is provided in the closed section, a plurality of support frames are arranged at intervals in the high-temperature billet cutting bin, the support frames are arranged longitudinally along the high-temperature billet cutting bin, and a plane track is provided between the plurality of support frames at intervals, a plurality of transmission roller units are provided on the plane track, the support frames are made of metal material, and the support frames are connected to the high-temperature billet cutting bin in a detachable manner.

Description

Technical Field

[0001] The invention belongs to the technical field of high-temperature blank transmission, and particularly relates to a device and method for preventing a roller from being damaged by high temperature. Background Art

[0002] In the production of continuous casting billets, the high-temperature billets produced by the casting machine are transported by the transmission roller. During the transportation process of the transmission roller, the long high-temperature billets need to be cut into fixed lengths. During the cutting process, the high-temperature billets are on the roller for a long time, which will dry out the lubricating grease of the bearings in the roller. The roller will be damaged and the continuous casting machine will be forced to stop production, resulting in large economic losses.

[0003] In view of the above factors, a device and method for preventing the roller from being damaged by high temperature is specially designed. During the sawing process of the high-temperature billet, each support frame can support the high-temperature billet, and the liftable roller avoids baking under high-temperature conditions, thereby extending the service life of the roller. Summary of the Invention

[0004] The object of the present invention is to provide a device and method for preventing roller table from being damaged by high temperature, so as to solve the problems raised in the above background technology.

[0005] The objective of the present invention is achieved through the following technical solutions: a device for preventing roller table from being damaged by high temperature, comprising a high-temperature billet cutting bin of a hollow rectangular structure, a feed port and a discharge port being provided on both sides of the high-temperature billet cutting bin, a hot saw being provided on the high-temperature billet cutting bin near the discharge port, a plurality of high-temperature billet cutting bins being provided, the first ends of the plurality of high-temperature billet cutting bins being butt-jointed, and a closed section being provided on the high-temperature billet cutting bin near the end of the plurality of high-temperature billet cutting bins, and a hot saw being provided in the closed section;

[0006] A plurality of support frames are arranged at intervals in the high-temperature billet cutting chamber, and the support frames are arranged longitudinally along the high-temperature billet cutting chamber;

[0007] A plurality of support frames are arranged at intervals, and a plane track is arranged between them. A plurality of transmission roller units are arranged on the plane track.

[0008] Furthermore, the support frame is made of metal material and is detachably connected to the high-temperature billet cutting bin;

[0009] The support frame is provided with a support area and a heat dissipation area along the longitudinal direction of the high-temperature billet cutting bin, and the heat dissipation area is arranged in a concave arc shape at intervals along the support frame;

[0010] The support area is in contact with the high-temperature blank.

[0011] Furthermore, the upper surface of the support frame is 5 mm to 25 mm lower than the upper surface of the transmission roller table when the unit is raised.

[0012] Furthermore, the transmission roller table monomer includes a movable seat, a hydraulic cylinder is fixedly provided on the movable seat, and an output end of the hydraulic cylinder is connected to the roller table.

[0013] Furthermore, an even number of the transmission roller units are provided, the movable seat on the transmission roller unit is an AGV movable platform, the movable seat cooperates with the planar track, and the planar track is an AGV planar track.

[0014] Furthermore, the high-temperature billet cutting bin is provided with an accommodation space, and the accommodation space is arranged on both sides of the high-temperature billet cutting bin opposite to each other;

[0015] A plane track is provided in the accommodation space, and the accommodation space accommodates the transmission roller table monomer;

[0016] The accommodating space is the same as the area where the transport roller table supports high-temperature blanks.

[0017] Furthermore, the inner wall of the high-temperature billet cutting bin is provided with a track groove, a movable cooling space is provided in the track groove, the cooling space is a nitrogen filling bin, and a nitrogen gun head is provided on the cooling space;

[0018] The cooling space is opposite to the accommodating space, and the cooling space is provided with a plurality of cooling spaces.

[0019] Furthermore, the cooling space is a trough structure with a hollow structure, two groups of detachable low-temperature insulating gas cylinders are arranged in the trough body of the hollow structure, and nitrogen gun heads are provided on the low-temperature insulating gas cylinders.

[0020] An application method of a device for preventing roller table from being damaged by high temperature, comprising the following steps:

[0021] A hot saw is provided on the high-temperature billet cutting bin near the discharge port, and a plurality of high-temperature billet cutting bins are provided, and the first ends of the plurality of high-temperature billet cutting bins are butt-jointed, and a closed section is provided on the high-temperature billet cutting bin near the end of the plurality of high-temperature billet cutting bins, and a hot saw is provided in the closed section;

[0022] The first connection between several high-temperature billet cutting bins is placed at the casting machine production position in the continuous casting billet production. During operation, the high-temperature billets produced by the casting machine are transported by several transmission roller units. During the transportation process of the transmission roller units, the long high-temperature billets are cut into fixed lengths by a saw machine.

[0023] When preparing for cutting, the roller conveyor unit is raised and lowered, and the high-temperature blank is supported by each support frame. After the sawing is completed, the roller conveyor unit is raised to continue to transport the high-temperature blank;

[0024] Several support frames are arranged at intervals in the high-temperature billet cutting chamber. The support frames are arranged longitudinally along the high-temperature billet cutting chamber. The upper surface of each support frame is 5mm-20mm lower than the upper surface of the lifting and conveying roller when the lifting and conveying roller falls during sawing. Each support frame can support the high-temperature billet when the lifting and conveying roller falls during sawing.

[0025] The movable seat on several transmission roller units is an AGV mobile platform. The movable seat cooperates with the planar track. Several transmission roller units can move along the planar track to the cooling space. Several cooling spaces are set in the cooling space. The rollers on the movable seat are cooled by the low-temperature insulating gas cylinders on the cooling space and then return to the working support position, thereby extending the service life of the rollers.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] In order to solve the problem of roller damage under continuous high temperature conditions, the present invention optimizes the design of the roller system. Each traditional fixed roller is designed to be connected to the movable seat at the bottom of the roller with a hydraulic cylinder, and the roller can be raised and lowered by controlling the hydraulic cylinder.

[0028] In order to facilitate the setting of cooling space to cool the transmission roller unit when in use, the present invention provides a track groove on the inner wall of the high-temperature billet cutting bin, and a movable cooling space is provided in the track groove. The cooling space is a nitrogen filling bin, and a nitrogen gun head is provided on the cooling space. The cooling space is opposite to the accommodating space, and several cooling spaces are provided in the cooling space.

[0029] The present invention arranges a support frame next to each roller, and the upper surface of each support frame is 5mm-20mm lower than the upper surface of the liftable roller when it is raised. When the liftable roller falls during sawing of the high-temperature blank, each support frame can support the high-temperature blank. At the same time, the liftable roller avoids baking under high-temperature working conditions, thereby extending the service life of the roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of a high-temperature billet cutting bin unit of the present invention;

[0031] Figure 2 This is a schematic diagram of a high-temperature billet cutting bin monomer assembly of the present invention;

[0032] Figure 3 It is a plan view of the hot saw machine of the present invention;

[0033] Figure 4 It is a schematic diagram of the planar structure of the present invention;

[0034] Figure 5 This is a schematic diagram of a transmission roller table of the present invention;

[0035] Figure 6 This is a schematic diagram of the arrangement of the transmission roller unit and the support frame of the present invention;

[0036] Figure 7 It is a schematic diagram of the present invention having an accommodation space;

[0037] Figure 8 It is a schematic diagram of the end face of the support frame of the present invention;

[0038] Figure 9 It is a schematic diagram of the cooling space of the present invention. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0041] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] like Figure 1-9 As shown, a device for preventing roller table from being damaged by high temperature comprises a high temperature billet cutting bin 1 of a hollow rectangular structure, a feed port A and a discharge port B being provided on both sides of the high temperature billet cutting bin 1, a hot saw 2 being provided on the high temperature billet cutting bin 1 near the discharge port B, a plurality of high temperature billet cutting bins 1 being provided, the first ends of the plurality of high temperature billet cutting bins 1 being butt-jointed, and a closed section being provided on the high temperature billet cutting bin 1 near the end of the plurality of high temperature billet cutting bins 1, and a hot saw 2 being provided in the closed section;

[0043] A plurality of support frames 3 are arranged at intervals in the high-temperature billet cutting bin 1, and the support frames 3 are arranged longitudinally along the high-temperature billet cutting bin 1;

[0044] A plurality of support frames 3 are arranged at intervals, and a plane track 4 is arranged between them. A plurality of transmission roller units 5 are arranged on the plane track 4 .

[0045] In order to facilitate detachable replacement in use, the support frame 3 is made of metal material and is detachably connected to the high-temperature billet cutting bin 1;

[0046] The support frame 3 is provided with a support area 3-1 and a heat dissipation area 3-2 along the longitudinal direction of the high-temperature billet cutting bin 1, and the heat dissipation area 3-2 is arranged in a concave arc shape along the support frame 3;

[0047] The support area 3 - 1 is in contact with the high-temperature blank.

[0048] The hot saw machine 2 is a slide hot saw machine disclosed in the prior art (not shown in the figure), which is divided into an upper slide and a lower slide. The slide is a box-shaped welded structure. The upper slide and the lower slide have similar structures. The main transmission device is installed on the upper part of the upper slide. The saw blade is driven to rotate by a main motor, a coupling, and a transmission hard-toothed spiral bevel gear reducer to achieve sawing.

[0049] In order to facilitate the short-term support of the high-temperature blank by the support frame 3 during sawing in use, the upper surface of the support frame 3 is 5mm-25mm lower than the upper surface of the transport roller body 5 when it is raised.

[0050] In order to facilitate the lifting of the roller during use and avoid baking under high temperature conditions, thereby extending the service life of the roller, the transmission roller unit 5 includes a moving seat 5-1, on which a hydraulic cylinder 5-2 is fixedly provided, and the output end of the hydraulic cylinder 5-2 is connected to the roller 5-3.

[0051] In order to facilitate use, the transmission roller monomers 5 are provided with an even number through the cooperation between the moving seat 5-1 and the planar track 4. The moving seat 5-1 on the transmission roller monomer 5 is an AGV mobile platform. The moving seat 5-1 cooperates with the planar track 4, and the planar track 4 is an AGV planar track.

[0052] In order to facilitate the cooling treatment of the conveying roller table monomer 5 through the accommodating space in the use state, the high-temperature billet cutting bin 1 is provided with an accommodating space 6, and the accommodating space 6 is arranged on both sides of the high-temperature billet cutting bin 1.

[0053] A plane track 4 is provided in the accommodation space 6, and the accommodation space 6 accommodates the transmission roller table monomer 5;

[0054] The accommodating space is the same as the area of ​​the transport roller table unit 5 supporting the high-temperature blank.

[0055] In order to facilitate the cooling of the conveying roller table 5 by setting a cooling space 7 in the use state, the inner wall of the high-temperature billet cutting bin 1 is provided with a track groove, and a movable cooling space 7 is provided in the track groove. The cooling space 7 is a nitrogen filling bin, and a nitrogen gun head is provided on the cooling space 7;

[0056] The cooling space 7 is opposite to the accommodating space 6 , and a plurality of cooling spaces 7 are provided.

[0057] In order to facilitate short-term cooling of the transmission roller unit 5 when in use, the cooling space 7 is a trough structure with a hollow structure. Two groups of detachable low-temperature insulating gas cylinders 8 are arranged in the hollow trough body, and the low-temperature insulating gas cylinders 8 are provided with nitrogen gun heads.

[0058] In the present invention, several transmission roller units 5 are provided. The movable seat 5-1 on the transmission roller unit 5 is an AGV mobile platform. The movable seat 5-1 cooperates with the planar track 4 and can cause the transmission roller unit 5 to move on the planar track 4 to the accommodation space for cold treatment when in use.

[0059] An application method of a device for preventing roller table from being damaged by high temperature, comprising the following steps:

[0060] A hot saw is provided on the high-temperature billet cutting bin near the discharge port, and a plurality of high-temperature billet cutting bins are provided, and the first ends of the plurality of high-temperature billet cutting bins are butt-jointed, and a closed section is provided on the high-temperature billet cutting bin near the end of the plurality of high-temperature billet cutting bins, and a hot saw is provided in the closed section;

[0061] The first connection between several high-temperature billet cutting bins is placed at the casting machine production position in the continuous casting billet production. During operation, the high-temperature billets produced by the casting machine are transported by several transmission roller units. During the transportation process of the transmission roller units, the long high-temperature billets are cut into fixed lengths by a saw machine.

[0062] When preparing for cutting, the roller conveyor unit is raised and lowered, and the high-temperature blank is supported by each support frame. After the sawing is completed, the roller conveyor unit is raised to continue to transport the high-temperature blank;

[0063] Several support frames are arranged at intervals in the high-temperature billet cutting chamber. The support frames are arranged longitudinally along the high-temperature billet cutting chamber. The upper surface of each support frame is 5mm-20mm lower than the upper surface of the lifting and conveying roller when the lifting and conveying roller falls during sawing. Each support frame can support the high-temperature billet when the lifting and conveying roller falls during sawing.

[0064] The movable seat on several transmission roller units is an AGV mobile platform. The movable seat cooperates with the planar track. Several transmission roller units can move along the planar track to the cooling space. Several cooling spaces are set in the cooling space. The rollers on the movable seat are cooled by the low-temperature insulating gas cylinders on the cooling space and then return to the working support position, thereby extending the service life of the rollers.

[0065] It will be apparent 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 invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0066] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A device for preventing roller conveyor from being damaged by high temperature, comprising a high-temperature billet cutting bin (1) of a hollow rectangular structure, wherein a feed port (A) and a discharge port (B) are provided on both sides of the high-temperature billet cutting bin (1), and a hot saw (2) is provided on the high-temperature billet cutting bin (1) near the discharge port (B), and characterized in that: A plurality of high-temperature billet cutting bins (1) are provided, and the plurality of high-temperature billet cutting bins (1) are butted end to end, and a closed section is provided on the high-temperature billet cutting bin (1) near the end of the plurality of high-temperature billet cutting bins (1), and a hot sawing machine (2) is provided in the closed section; A plurality of support frames (3) are arranged at intervals in the high-temperature billet cutting bin (1), and the support frames (3) are arranged longitudinally along the high-temperature billet cutting bin (1); A plane track (4) is provided between a plurality of support frames (3) arranged at intervals, and a plurality of transmission roller units (5) are provided on the plane track (4); The upper surface of the support frame (3) is 5 mm to 25 mm lower than the upper surface of the transmission roller unit (5) when it is raised; The transmission roller table monomer (5) comprises a movable seat (5-1), a hydraulic cylinder (5-2) is fixedly arranged on the movable seat (5-1), and an output end of the hydraulic cylinder (5-2) is connected to the roller table (5-3).

2. The device for preventing roller table from being damaged by high temperature according to claim 1, characterized in that: The support frame (3) is made of metal material, and the support frame (3) is connected to the high-temperature billet cutting bin (1) in a detachable manner; The support frame (3) is provided with a support area (3-1) and a heat dissipation area (3-2) along the longitudinal direction of the high-temperature billet cutting bin (1), and the heat dissipation area (3-2) is provided at intervals along the support frame (3) in a concave arc shape; The support area (3-1) is in contact with the high-temperature blank.

3. The device for preventing roller table from being damaged by high temperature according to claim 2, characterized in that: An even number of the transmission roller units (5) are provided, the movable seat (5-1) on the transmission roller unit (5) is an AGV movable platform, the movable seat (5-1) cooperates with the planar track (4), and the planar track (4) is an AGV planar track.

4. The device for preventing roller table from being damaged by high temperature according to claim 3, characterized in that: The high-temperature billet cutting bin (1) is provided with an accommodating space (6), and the accommodating space (6) is arranged on two sides of the high-temperature billet cutting bin (1) opposite to each other; A plane track (4) is provided in the accommodation space (6), and the accommodation space (6) accommodates the transmission roller table monomer (5); The accommodating space is the same as the area where the transport roller table unit (5) supports the high-temperature blank.

5. The device for preventing roller table from being damaged by high temperature according to claim 4, characterized in that: The inner wall of the high-temperature billet cutting bin (1) is provided with a track groove, a movable cooling space (7) is provided in the track groove, the cooling space (7) is a nitrogen filling bin, and a nitrogen gun head is provided on the cooling space (7); The cooling space (7) is opposite to the accommodating space (6), and a plurality of cooling units are provided in the cooling space (7).

6. The device for preventing roller table from being damaged by high temperature according to claim 5, characterized in that: The cooling unit is a trough structure with a hollow structure. Two groups of detachable low-temperature insulating gas cylinders (8) are arranged in the trough body of the hollow structure. Nitrogen gun heads are arranged on the low-temperature insulating gas cylinders (8).

7. An application method of the device for preventing roller table from being damaged by high temperature according to claim 6, characterized in that: The method includes the following steps: A hot saw is provided on the high-temperature billet cutting bin near the discharge port, and a plurality of high-temperature billet cutting bins are provided, and the plurality of high-temperature billet cutting bins are butt-jointed end to end, and a closed section is provided on the high-temperature billet cutting bin near the end of the plurality of high-temperature billet cutting bins, and a hot saw is provided in the closed section; Several high-temperature billet cutting bins are butted end to end and placed at the casting machine production position in continuous casting billet production. During operation, the high-temperature billets produced by the casting machine are transported by several transmission rollers. During the transportation process of the transmission rollers, the long high-temperature billets are cut into fixed lengths by a hot saw. When preparing for cutting, the conveyor roller unit is raised and lowered, and the high-temperature blank is supported by each support frame. After the sawing is completed, the conveyor roller unit is raised to continue to transport the high-temperature blank; Several support frames are arranged at intervals in the high-temperature billet cutting chamber. The support frames are arranged longitudinally along the high-temperature billet cutting chamber. The upper surface of each support frame is 5mm-20mm lower than the upper surface of the lifting and conveying roller when the lifting and conveying roller falls during sawing. Each support frame can support the high-temperature billet when the lifting and conveying roller falls during sawing. The movable seat on several transmission roller units is an AGV mobile platform, which cooperates with the planar track. Several transmission roller units can move along the planar track to the cooling space. Several cooling units are set in the cooling space. The rollers on the movable seat are cooled by the low-temperature insulating gas cylinders in the cooling space and then returned to the working support position, thereby extending the service life of the rollers.

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