A molybdenum oxide cleaning facilitating guide device for molybdenum rolling

Abstract

The utility model relates to molybdenum wire processing technical field, and its in order to solve the problem that the accumulation of molybdenum oxide is difficult to remove thoroughly because of the fixed structure and narrow cleaning space of the guiding device in the prior art, the utility model provides a kind of molybdenum rolling guiding device for the molybdenum oxide of easy cleaning, including guiding insert, connecting assembly, first support and second support, the guiding insert is set between the first support and the second support by the connecting assembly, the utility model modular guiding insert is set between two supports by connecting assembly, and the cleaning structure of quick disassembly is formed, so that the accumulated molybdenum oxide can be conveniently and thoroughly removed, the structure provides unobstructed operation space for the tool from the equipment exterior to clean, realizes the quick cleaning of molybdenum oxide without shutdown, guarantees the production continuity, and guiding insert is as independent function module, and overall replacement or maintenance is facilitated, and the maintenance difficulty and time cost of device are reduced.

Description

Technical Field

[0001] This utility model relates to the field of molybdenum wire processing technology, and more specifically, to a guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide. Background Technology

[0002] The four-roll molybdenum strip mill is a key piece of equipment in the production of molybdenum strip. In existing technologies, the commonly used guiding device mainly consists of a support column, a guide block, a cross block, and fastening screws. Among them, the guide groove on the guide block is relatively long, which causes the high-temperature molybdenum wire to be in contact with the low-temperature guide block for a long time when passing through, resulting in a significant drop in its temperature.

[0003] Molybdenum reacts with oxygen in the air at low temperatures to form molybdenum oxide, which accumulates continuously in the long guide groove. Because the device is located in a high-temperature, confined space with flames and dust, cleaning the accumulated molybdenum oxide in the groove is extremely difficult. When too much molybdenum oxide accumulates, it is carried by the moving molybdenum wire and enters the work rolls of the rolling mill, eventually being rolled into the molybdenum strip. This causes serious quality defects on the product surface, such as black spots, black lines, and even peeling, severely affecting production continuity and product qualification rate.

[0004] Based on the above description, there is an urgent need for a guiding device that can fundamentally solve the problem of molybdenum oxide accumulation and cleaning from a structural perspective. Utility Model Content

[0005] The purpose of this invention is to provide a guide device for molybdenum rolling that facilitates the cleaning of molybdenum oxide, thereby solving the technical problem that molybdenum oxide deposits are difficult to completely remove due to the fixed structure and narrow cleaning space of existing guide devices.

[0006] The embodiments of this utility model are achieved through the following technical solutions: A guide device for molybdenum rolling that facilitates the cleaning of molybdenum oxide includes a guide insert, a connecting assembly, a first bracket, and a second bracket; the guide insert is mounted between the first bracket and the second bracket via the connecting assembly.

[0007] Preferably, the guide insert includes a base and a guide groove plate; the base is disposed between the first bracket and the second bracket via the connecting assembly; the guide groove plate is erected at the top of the base; and a plurality of guide grooves are spaced apart at one end of the guide groove plate away from the base.

[0008] Preferably, a guide platform is provided at the bottom of the guide groove; the guide platform is located at the outlet end of the guide groove.

[0009] Preferably, the bottom of the guide trough is provided with a slag discharge ramp; the top of the slag discharge ramp is connected to the guide platform; the horizontal angle of the slag discharge ramp is 12°.

[0010] Preferably, the base is an H-shaped base; the connecting assembly includes a mounting strip; the mounting strip is disposed between the first bracket and the second bracket; the mounting strip passes through the bottom of the H-shaped base.

[0011] Preferably, the connecting assembly further includes an adjusting screw parallel to the mounting plate; the adjusting screw is disposed between the first bracket and the second bracket; the adjusting screw passes through the bottom of the H-shaped base.

[0012] Preferably, the guide trough is erected on the top side of the H-shaped base; a pressure plate corresponding to the mounting strip is passed through the top of the H-shaped base; the two ends of the pressure plate are screwed to the first bracket and the second bracket respectively.

[0013] Preferably, one end of the pressure plate embedded in the H-shaped base is recessed with a slag collection trough; the slag collection trough extends from high to low towards the end away from the slag discharge slope.

[0014] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects: The modular guide insert of this utility model is mounted between two supports through a connecting component, forming a quick-disassembly cleaning structure that allows for convenient and thorough removal of accumulated molybdenum oxide. This structure provides unobstructed operating space for tools to be inserted from outside the equipment for cleaning, enabling rapid cleaning of molybdenum oxide without stopping the machine, ensuring production continuity. Furthermore, as an independent functional module, the guide insert is easy to replace or maintain as a whole, significantly reducing the difficulty and time cost of equipment maintenance. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 for Figure 1 An enlarged schematic diagram of local structure A in the middle.

[0017] Figure 3 for Figure 3 An enlarged schematic diagram of local structure B in the middle.

[0018] Icons: 1-Guide insert, 11-Base, 12-Guide chute plate, 121-Guide chute, 2-Connecting assembly, 3-First bracket, 4-Second bracket, 5-Guide platform, 6-Slag discharge ramp, 7-Mounting strip, 8-Adjusting screw, 9-Slag collection chute, 10-Pressure plate. Detailed Implementation

[0019] The specific implementation method is described below with reference to the accompanying drawings.

[0020] Example 1 Please see Figures 1 to 3 The present invention provides the following technical solution: a guide device for molybdenum rolling that facilitates the cleaning of molybdenum oxide, applicable to the processing of molybdenum wire on a four-roll molybdenum strip rolling mill.

[0021] Specifically, such as Figure 1 and Figure 2 As shown, a molybdenum rolling guide device for easy cleaning of molybdenum oxide includes a guide insert 1, a connecting assembly 2, a first bracket 3, and a second bracket 4; the guide insert 1 is mounted between the first bracket 3 and the second bracket 4 via the connecting assembly 2.

[0022] In this embodiment, the first support 3 and the second support 4 are preferably L-shaped or inverted T-shaped steel components adapted to the specific four-roll molybdenum strip mill. They are fixed to the mill base by anchor bolts. The two are parallel to each other and have coaxial mounting holes on their front sides for supporting the connecting component 2.

[0023] In this embodiment, a tunnel-type resistance furnace commonly used in the art is used as the heating furnace tube. A longer tunnel-type resistance furnace is preferred, with its discharge port as close as possible to the feed side of the guiding device to ensure that the molybdenum wire remains at a high temperature during the guiding process. The rolling assembly, which is arranged opposite to the heating furnace tube, is located downstream of the guiding device and may include a frame, a pair of work rolls for directly rolling molybdenum wire, and a support roll that provides rigid support for the pair of work rolls.

[0024] Specifically, such as Figure 1 and Figure 2 As shown, the guide insert 1 includes a base 11 and a guide trough plate 12; the base 11 is disposed between the first bracket 3 and the second bracket 4 through the connecting assembly 2; the guide trough plate 12 is erected on the top of the base 11; a plurality of guide grooves 121 are spaced apart at one end of the guide trough plate 12 away from the base 11.

[0025] In this embodiment, the guide trough plate 12 and the base 11 can be designed separately and connected by high-strength screws to facilitate the replacement of the easily damaged guide trough plate 12; or they can be integrally forged or sintered to ensure structural strength and heat resistance.

[0026] Specifically, such as Figure 2 and Figure 3 As shown, a guide platform 5 is provided in the bottom of the guide trough 121; the guide platform 5 is located at the outlet end of the guide trough 121. A slag discharge ramp 6 is provided in the bottom of the guide trough 121; the top of the slag discharge ramp 6 is connected to the guide platform 5; the horizontal angle of the slope of the slag discharge ramp 6 is 12°.

[0027] In this embodiment, the width of the guide platform 5 should be slightly larger than the diameter of the molybdenum wire. The guide platform 5 and the slag discharge ramp 6 should have a smooth transition, and the entire structure should be treated with nitriding or tungsten carbide coating to enhance its service life in high-wear environments.

[0028] Specifically, such as Figure 2 and Figure 3 As shown, the base 11 is an H-shaped base 11; the connecting assembly 2 includes a mounting strip 7; the mounting strip 7 is disposed between the first bracket 3 and the second bracket 4; the mounting strip 7 passes through the bottom of the H-shaped base 11. The connecting assembly 2 also includes an adjusting screw 8 parallel to the mounting strip 7; the adjusting screw 8 is disposed between the first bracket 3 and the second bracket 4; the adjusting screw 8 passes through the bottom of the H-shaped base 11.

[0029] In this embodiment, the bottom groove of the H-shaped base 11, the mounting plate 7, and the adjusting screw 8 form a sliding pair. The mounting plate 7 mainly serves as a guide and support, while the adjusting screw 8 is mounted on the bracket at both ends through bearing seats. One end extends out and is equipped with a handwheel. Rotating the handwheel can drive the entire guide insert 1 to move precisely along the mounting plate 7, thereby adjusting its relative position with the work roll of the downstream rolling assembly.

[0030] Specifically, such as Figure 2 and Figure 3 As shown, the guide trough plate 12 is erected on the top side of the H-shaped base 11; a pressure plate corresponding to the mounting strip 7 is inserted through the top of the H-shaped base 11; the two ends of the pressure plate are screwed to the first bracket 3 and the second bracket 4 respectively. A slag collection trough 9 is recessed at one end of the pressure plate embedded in the H-shaped base 11; the slag collection trough 9 extends from high to low towards the end away from the slag discharge slope 6.

[0031] In this embodiment, the pressure plate 10 is fastened to the bracket with high-strength hexagonal screws to ensure that the guide insert 1 will not loosen under vibration. The cross-section of the slag guide groove 9 on the lower surface of the pressure plate 10 can be V-shaped or U-shaped, and a slag discharge hole can be further opened at its lower end to connect a slag suction pipe to draw the molybdenum oxide powder sliding down the slag discharge slope 6 into a fixed collection container to keep the environment clean.

[0032] Overall workflow: After being drawn out from the unwinding device, the molybdenum wire enters the extended tunnel-type resistance heating furnace tube and is uniformly heated to a high temperature. The heated molybdenum wire then enters the guiding device provided in this embodiment, first embedding itself into the guide groove 121 on the guide trough plate 12. Its front end is precisely positioned and ultimately guided by an extremely short guide platform 5 at the outlet of the groove, ensuring that the wire moves accurately toward the work roll gap of the rolling assembly. This extremely short contact design minimizes heat loss from the wire. After the wire passes over the guide platform 5, any trace amounts of molybdenum oxide dust or debris it may carry will fall onto the smoothly connected slag discharge chute 6. With the help of the 12° inclined slope, these impurities are automatically discharged under gravity. The impurities slide down the slope and are eventually collected in the slag collection trough on the lower surface of the pressure plate 10. The slag collection trough is designed to slope from high to low, which can guide the impurities to gather further at one end. They can be uniformly sucked into the collection container through the connected slag suction pipe or directly scraped and cleaned by a long thin molybdenum rod, realizing the cleaning of molybdenum oxide without stopping the machine or overflowing. The clean high-temperature molybdenum wire that has completed the guidance and impurity removal is then sent to the downstream rolling assembly. In addition, by rotating the adjusting screw 8, the entire guide insert 1 can be driven to move precisely along the mounting strip 7, thereby finely adjusting its relative position with the work roll online to adapt to different process requirements. Finally, the rolled molybdenum strip is wound into a finished product after subsequent cooling and inspection.

Claims

1. A guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide, characterized in that: It includes a guide insert (1), a connecting assembly (2), a first bracket (3) and a second bracket (4); the guide insert (1) is mounted between the first bracket (3) and the second bracket (4) through the connecting assembly (2).

2. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 1, characterized in that: The guide insert (1) includes a base (11) and a guide groove plate (12); the base (11) is disposed between the first bracket (3) and the second bracket (4) through the connecting assembly (2); the guide groove plate (12) is erected at the top of the base (11); a plurality of guide grooves (121) are spaced apart at one end of the guide groove plate (12) away from the base (11).

3. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 2, characterized in that: The bottom of the guide groove (121) is provided with a guide platform (5); the guide platform (5) is located at the outlet end of the guide groove (121).

4. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 3, characterized in that: The bottom of the guide trough (121) is provided with a slag discharge ramp (6); the top of the slag discharge ramp (6) is connected to the guide platform (5); the horizontal angle of the slag discharge ramp (6) is 12°.

5. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 4, characterized in that: The base (11) is an H-shaped base (11); the connecting component (2) includes a mounting strip (7); the mounting strip (7) is disposed between the first bracket (3) and the second bracket (4); the mounting strip (7) passes through the bottom of the H-shaped base (11).

6. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 5, characterized in that: The connecting assembly (2) further includes an adjusting screw (8) parallel to the mounting plate (7); the adjusting screw (8) is located between the first bracket (3) and the second bracket (4); the adjusting screw (8) passes through the bottom of the H-shaped base (11).

7. The guiding device for molybdenum rolling mills for easy cleaning of molybdenum oxide according to claim 5, characterized in that: The guide trough plate (12) is erected on the top side of the H-shaped base (11); the top of the H-shaped base (11) is provided with a pressure plate (10) corresponding to the mounting strip (7); the two ends of the pressure plate are screwed to the first bracket (3) and the second bracket (4) respectively.

8. The guiding device for molybdenum rolling that facilitates the cleaning of molybdenum oxide according to claim 7, characterized in that: The pressure plate (10) is embedded in the H-shaped base (11) at one end with a slag collection trough (9); the slag collection trough (9) extends from high to low towards the end away from the slag discharge slope (6).

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