Four-roller hot rolling device for producing magnesium alloy hot-rolled coil plate

Abstract

The utility model relates to the technical field of metallurgical machinery, and discloses a magnesium alloy hot rolled coil production four-roller hot rolling device which comprises a plurality of supporting columns and a transmission belt, sliding grooves are formed in the adjacent sides of the supporting columns, and fixing plates are fixedly connected to the front sides and the rear sides of the supporting columns. The adjacent sides of the two fixing plates are fixedly connected with first rollers, the output end of the first roller on the right side penetrates through the fixing plates and is fixedly connected with a first rotating block, the tops of the multiple supporting columns are fixedly connected with a top plate, and the front side and the rear side of the top of the top plate are fixedly connected with servo motors. The output end of the servo motor is fixedly connected with a second rotating block. According to the utility model, the sliding block can be moved through the sliding chute in the supporting column, and the hydraulic rod on the top of the sliding block can adjust the position of the roller II and accurately control the distance between the upper roller and the lower roller, so that uniform deformation of a magnesium alloy plate in the hot rolling process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical machinery, in particular to a four-roller hot rolling device for producing magnesium alloy hot rolled coils. Background Art

[0002] Magnesium alloy is an alloy based on magnesium with other elements added. Its main alloying elements are aluminum, zinc, manganese and a small amount of zirconium. Magnesium alloy has low density, high specific strength, large elastic modulus, good heat dissipation and good shock absorption, so magnesium alloy needs to be hot-rolled during the production process.

[0003] In the production of magnesium alloy hot-rolled coils, the four-roll hot rolling unit is a key equipment. Compared with other rolling units, the four-roll hot rolling unit can provide more uniform rolling force, making the deformation of magnesium alloy plates more uniform during the rolling process, ensuring the consistency of product quality and performance.

[0004] The existing four-roller hot rolling equipment uses a high-power motor as the power source, and transmits power to each roller through a transmission device such as gears and transmission belts. Since the existing rollers are fixed, the spacing between the rollers cannot be controlled, resulting in uneven deformation of different types of magnesium alloy plates during the hot rolling process, thereby reducing the product yield and quality issues. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a four-roll hot rolling device for producing magnesium alloy hot-rolled coils, aiming to improve the problem that the four-roll hot rolling mill cannot deform unevenly during the hot rolling process according to different models of magnesium alloy plates, thereby reducing the product yield and quality.

[0006] In order to achieve the above-mentioned object, the utility model adopts the following technical scheme: a four-roll hot rolling device for producing magnesium alloy hot-rolled coils, comprising a plurality of support columns and a transmission belt, wherein adjacent sides of the plurality of support columns are provided with a chute, the front and rear sides of the plurality of support columns are fixedly connected to a fixed plate, the adjacent sides of the two fixed plates are fixedly connected to roller one, the output end of the right roller one passes through the fixed plate and is fixedly connected to rotating block one, the tops of the plurality of support columns are fixedly connected to a top plate, the front and rear sides of the top of the top plate are fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to rotating block two, the outer wall of the rotating block two is rotatably connected to the transmission belt, the rotating block one and the rotating block two are rotatably connected through the transmission belt, the inner walls of the two chute are slidably connected to sliders, the adjacent sides of the two sliders are fixedly connected to roller two, the outer wall tops of the two sliders are fixedly connected to a hydraulic rod, the top of the hydraulic rod is fixedly connected to the bottom of the top plate, and the outer walls of the plurality of support columns are provided with a cleaning mechanism, which is used to clean impurities appearing on the surface after hot rolling of the magnesium alloy.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes multiple connecting blocks, the outer walls of the multiple connecting blocks are fixedly connected to the bottom of the outer wall of the support column, the inner walls of the multiple connecting blocks are slidably connected to a connecting box, a sliding groove is opened on the right side of the outer wall of the connecting box, the inner wall of the sliding groove is slidably connected to a fixed rod, and the other end of the fixed rod is fixedly connected to a scraper.

[0009] As a further description of the above technical solution:

[0010] The bottoms of the outer walls of the plurality of support columns are fixedly connected to support seats, and the outer walls of the two support seats are provided with weight-reducing grooves.

[0011] As a further description of the above technical solution:

[0012] The tops of the outer walls of the plurality of connection blocks are all fixedly connected with a fixing piece 1, and the plurality of fixing pieces 1 are threadedly connected to the support columns.

[0013] As a further description of the above technical solution:

[0014] A protective shell 1 is provided on the outer wall of the transmission belt, and a fixing plate 2 is fixedly connected to the left and right sides of the top of the protective shell 1, and the fixing plate 2 is threadedly connected to the front side of the top plate.

[0015] As a further description of the above technical solution:

[0016] A controller is fixedly connected to the middle portion of the outer wall of the support column on the right side, and the controller is electrically connected to the servo motor and the hydraulic rod.

[0017] As a further description of the above technical solution:

[0018] A heater is fixedly connected to the middle of the bottom end of the top plate, and an air outlet is provided at the bottom of the heater.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the servo motor is provided with a second protective shell, and the second protective shell is threadedly connected to the top front side of the top plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the slider can be moved through the slide groove in the support column, and the hydraulic rod on the top of the slider can adjust the position of the second roller, accurately controlling the distance between the upper and lower rollers, thereby ensuring uniform deformation of the magnesium alloy sheet during the hot rolling process, effectively avoiding uneven thickness of the sheet, and thus improving the product yield and quality stability.

[0023] 2. In the present invention, after hot rolling of the magnesium alloy, impurities on the surface will fall into the connecting box for collection. When the worker pushes the fixed rod outside the connecting box, the scraper connected to the other end of the fixed rod will clean it, so that the connecting box remains clean, thereby improving the workers' work enthusiasm and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of the four-roll hot rolling device for producing magnesium alloy hot rolled coils proposed in the present invention;

[0025] Figure 2 This is a front view of a four-roll hot rolling device for producing magnesium alloy hot rolled coils proposed in the present invention;

[0026] Figure 3 This is a side view of the four-roll hot rolling device for producing magnesium alloy hot rolled coils proposed in the present invention;

[0027] Figure 4 This is a bottom view of the four-roll hot rolling device for producing magnesium alloy hot rolled coils proposed in the present invention;

[0028] Figure 5 This is a disassembled diagram of the cleaning mechanism of the four-roll hot rolling device for producing magnesium alloy hot rolled coils proposed in the present invention.

[0029] Legend:

[0030] 1. Support column; 2. Cleaning mechanism; 201. Connecting block; 202. Connecting box; 203. Sliding groove; 204. Fixed rod; 205. Scraper; 3. Fixed plate; 4. Roller 1; 5. Rotating block 1; 6. Transmission belt; 7. Top plate; 8. Servo motor; 9. Rotating block 2; 10. Sliding groove; 11. Sliding block; 12. Hydraulic rod; 13. Support seat; 14. Weight reduction groove; 15. Fixed plate 1; 16. Protective shell 1; 17. Fixed plate 2; 18. Controller; 19. Heater; 20. Air outlet; 21. Protective shell 2; 22. Roller 2. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 2 and Figure 5The utility model provides an embodiment: a four-roll hot rolling device for producing hot-rolled magnesium alloy coils, comprising a plurality of support columns 1 and a transmission belt 6, a plurality of support columns 1 having adjacent sides provided with a slide groove 10 for connecting a slider 11, a plurality of support columns 1 having front and rear sides fixedly connected to a fixed plate 3, two adjacent sides of the two fixed plates 3 having rollers 1 4 fixedly connected, the output end of the right roller 1 4 passes through the fixed plate 3 and is fixedly connected to a rotating block 1 5, a plurality of support columns 1 having top plates 7 fixedly connected to the top, a servo motor 8 fixedly connected to the front and rear sides of the top of the top plate 7, a rotating block 2 9 having an output end fixedly connected to the output end of the servo motor 8, a rotating block 2 9 having an outer wall rotatably connected to a transmission belt 6, and the rotating block 1 5 and the rotating block 2 9 are rotatably connected via the transmission belt 6. Then, the output end of the servo motor 8 drives the rotating block 2 9 to rotate, and the rotating block 2 9 transmits power to the rotating block 1 5 through the transmission belt 6. The right roller 1 4 starts to rotate under the drive of the rotating block 1 5. The inner walls of the two chutes 10 are slidably connected with sliders 11. The adjacent sides of the two sliders 11 are fixedly connected with roller 2 22. The tops of the outer walls of the two sliders 11 are fixedly connected with hydraulic rods 12. When the hydraulic rods 12 are started, the telescopic movement of the hydraulic rods 12 drives the sliders 11 to slide up and down in the chutes 10, thereby controlling the spacing between the rollers 22. The tops of the hydraulic rods 12 are fixedly connected to the bottom of the top plate 7. The outer walls of the multiple support columns 1 are provided with cleaning mechanisms 2. The cleaning mechanisms 2 are used to clean impurities appearing on the surface of the magnesium alloy after hot rolling.

[0033] Specifically, the servo motor 8 on the top of the top plate 7 is started, and the servo motor 8 starts to run. Its output end generates power, and the output end of the servo motor 8 drives the rotating block 2 9 to rotate. The rotating block 2 9 rotates at a specific speed and direction under the drive of the motor. The rotating block 2 9 transmits the power to the rotating block 1 5 through the transmission belt 6. The transmission belt 6 moves under the drive of the rotating block 2 9, and then transmits the power to the rotating block 1 5. Since the rotating block 1 5 is fixedly connected to the roller 1 4 on the right side, the rotation of the rotating block 1 5 drives the roller 1 4 on the right side to rotate, and the right The side roller 4 starts to rotate under the drive of the rotating block 5, providing power for the hot rolling process. The two fixed plates 3 play the role of fixing the roller 4 to ensure that the roller 4 remains stable during the rotation process. When the position of the roller 2 22 needs to be adjusted to adapt to the magnesium alloy hot-rolled coils of different thicknesses, the hydraulic rod 12 is started. The telescopic movement of the hydraulic rod 12 drives the slider 11 to slide up and down in the slide 10, thereby controlling the spacing between the rollers 22, ensuring uniform deformation of the magnesium alloy plate during the hot rolling process, and effectively avoiding uneven thickness of the plate.

[0034] Reference Figure 3 、 Figure 4 and Figure 5The cleaning mechanism 2 includes a plurality of connecting blocks 201, the outer walls of the plurality of connecting blocks 201 are fixedly connected to the bottom of the outer wall of the support column 1, the inner walls of the plurality of connecting blocks 201 are slidably connected to the connecting box 202, the connecting box 202 can slide inside the connecting block 201, a sliding groove 203 is provided on the right side of the outer wall of the connecting box 202, the inner wall of the sliding groove 203 is slidably connected to a fixed rod 204, and the other end of the fixed rod 204 is fixedly connected to a scraper 205, which can clean the inside of the connecting box 202;

[0035] Specifically, the sliding connection between the connecting box 202 and the connecting block 201 enables the connecting box 202 to slide left and right on the inner wall of the connecting block 201, and the sliding connection between the fixed rod 204 and the sliding groove 203 on the connecting box 202 enables the scraper 205 to be adjusted in the horizontal direction. When a certain amount of impurities are collected in the connecting box 202, the staff can push the fixed rod 204 outside the connecting box 202 to make the scraper 205 connected to the other end of the fixed rod 204 clean the inside of the connecting box 202, keep the connecting box 202 clean and tidy, and improve the work enthusiasm and work efficiency of the workers.

[0036] Reference Figure 1 、 Figure 2 and Figure 3 , the bottom of the outer wall of multiple support columns 1 are fixedly connected to a support seat 13 to support the entire four-roll hot rolling device. The outer walls of the two support seats 13 are provided with weight-reducing grooves 14 to reduce the weight of the support seat 13; the top of the outer wall of multiple connecting blocks 201 are fixedly connected to a fixing piece 15, and multiple fixing pieces 15 are threadedly connected to the support column 1 to ensure that the connecting block 201 will not loosen or fall off; the outer wall of the transmission belt 6 is provided with a protective shell 16, and the left and right sides of the top of the protective shell 16 are fixedly connected to fixing pieces 2 17, which are threadedly connected to the front side of the top plate 7. The protective shell 16 prevents people from accidentally touching the transmission belt 6;

[0037] Specifically, the support seat 13 fixedly connected to the bottom of the outer wall of multiple support columns 1 mainly plays the role of supporting the entire four-roll hot rolling device. The support seat 13 is in contact with the ground, and the weight of the device is evenly distributed on the ground to ensure that the device remains stable during operation. The weight-reducing groove 14 opened on the outer wall of the support seat 13 can, on the one hand, reduce the weight of the support seat 13, reduce the overall weight of the entire device, and facilitate the installation and movement of the device. The threaded connection between the fixing plate 15 and the support column 1 can ensure that the connecting block 201 will not loosen or fall off, thereby ensuring the normal operation of the cleaning mechanism 2. The protective shell 16 prevents people from accidentally touching the transmission belt 6 to avoid safety accidents. At the same time, the protective shell 16 can also reduce the noise of the transmission belt 6 and improve the working environment. The groove connection can ensure that the protective shell 16 will not shake or fall off during the operation of the device, thereby ensuring effective protection of the transmission belt 6.

[0038] Reference Figure 3 、 Figure 4 and Figure 5 , a controller 18 is fixedly connected to the middle of the outer wall of the right support column 1, and the controller 18 is electrically connected to the servo motor 8 and the hydraulic rod 12 to control the rotation speed and direction of the roller 4; a heater 19 is fixedly connected to the middle of the bottom end of the top plate 7, and an air outlet 20 is provided at the bottom of the heater 19 to ensure the heating temperature of the plate; a protective shell 21 is provided on the outer wall of the servo motor 8, and the protective shell 21 is threadedly connected to the top front side of the top plate 7 for maintenance and repair of the servo motor 8;

[0039] Specifically, for the servo motor 8, the controller 18 can adjust its speed and direction, thereby controlling the rotation speed and direction of the roller 1 4. For the hydraulic rod 12, the controller 18 can control its telescopic length and speed. When it is necessary to adjust the position of the roller 22 to adapt to plates of different thicknesses, the controller 18 issues an instruction to make the hydraulic rod 12 telescope according to the set length and speed. The air outlet 20 opened at the bottom of the heater 19 can make the heated gas or medium blow evenly onto the surface of the magnesium alloy plate, ensuring effective control of the heating temperature and uniformity of the plate, making it easy to install and disassemble the protective shell 21, and facilitating maintenance and repair of the servo motor 8.

[0040] Working principle: through the servo motor 8 on the front and rear sides of the top of the top plate 7, the servo motor 8 drives the rotating block 2 9 fixedly connected to it to rotate. After the rotating block 2 9 rotates, the transmission belt 6 connected to the outer wall rotation transmits power. Driven by the rotating block 2 9, the transmission belt 6 circulates around the rotating block 2 9 and the rotating block 1 5. Since the output end of the rotating block 1 5 and the right roller 1 4 pass through the fixed plate 3 and are fixedly connected, when the transmission belt 6 transmits power to the rotating block 1 5, the rotating block 1 5 drives the right roller 1 4 to start rotating. The two fixed plates 3 play the role of fixing the roller 1 4 to ensure that it remains stable during the rotation process. When it is necessary to adjust the distance between the roller 1 4 and the roller 2 22 to meet the production requirements of magnesium alloy hot-rolled coils of different thicknesses, the hydraulic rod 12 is started. The telescopic movement of the hydraulic rod 12 drives the slider 11 fixedly connected to it to slide up and down in the slide groove 10 opened on the adjacent side of the support column 1, so as to achieve precise adjustment of the distance between the roller 1 4 and the roller 2 22, ensuring that the appropriate rolling pressure is applied to the magnesium alloy hot-rolled coil under different production conditions.

[0041] It is fixed to the bottom of the outer wall of the support column 1 through multiple connecting blocks 201, and the sliding groove 203 opened on the right side of the outer wall of the connecting box 202 provides a sliding path for the fixing rod 204. The fixing rod 204 is slidably connected to the inner wall of the sliding groove 203. During the production process of magnesium alloy hot-rolled coils, impurities will fall into the connecting box 202, and a certain amount of impurities will gradually accumulate in the connecting box 202. When the impurities accumulate to a certain extent, it is ensured that the scraper 205 can be cleaned in the connecting box 202, thereby improving the efficiency and quality of cleaning.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A four-roll hot rolling device for producing magnesium alloy hot rolled coils, comprising a plurality of support columns (1) and a transmission belt (6), characterized in that: A plurality of adjacent sides of the support columns (1) are provided with a slide groove (10), the front and rear sides of the plurality of support columns (1) are fixedly connected to a fixed plate (3), the adjacent sides of the two fixed plates (3) are fixedly connected to a roller one (4), the output end of the right roller one (4) passes through the fixed plate (3) and is fixedly connected to a rotating block one (5), the top of the plurality of support columns (1) is fixedly connected to a top plate (7), the front and rear sides of the top of the top plate (7) are fixedly connected to a servo motor (8), the output end of the servo motor (8) is fixedly connected to a rotating block two (9), the outer wall of the rotating block two (9) is fixedly connected to the rotating block two (9). A transmission belt (6) is rotatably connected to the rotating block 1 (5) and the rotating block 2 (9) via the transmission belt (6). The inner walls of the two slides (10) are slidably connected to sliders (11). The adjacent sides of the two sliders (11) are fixedly connected to roller 2 (22). The tops of the outer walls of the two sliders (11) are fixedly connected to hydraulic rods (12). The tops of the hydraulic rods (12) are fixedly connected to the bottom of the top plate (7). The outer walls of the plurality of support columns (1) are provided with cleaning mechanisms (2). The cleaning mechanisms (2) are used to clean impurities appearing on the surface of the magnesium alloy after hot rolling.

2. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: The cleaning mechanism (2) comprises a plurality of connecting blocks (201), the outer walls of the plurality of connecting blocks (201) are fixedly connected to the bottom of the outer wall of the support column (1), the inner walls of the plurality of connecting blocks (201) are slidably connected to a connecting box (202), a sliding groove (203) is provided on the right side of the outer wall of the connecting box (202), the inner wall of the sliding groove (203) is slidably connected to a fixing rod (204), and the other end of the fixing rod (204) is fixedly connected to a scraper (205).

3. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: The bottoms of the outer walls of the plurality of support columns (1) are fixedly connected to support seats (13), and the outer walls of the two support seats (13) are each provided with a weight-reducing groove (14).

4. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 2, characterized in that: The tops of the outer walls of the plurality of connection blocks (201) are all fixedly connected with fixing plates 1 (15), and the plurality of fixing plates 1 (15) are threadedly connected to the support columns (1).

5. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: The outer wall of the transmission belt (6) is provided with a protective shell (16), and the left and right sides of the top of the protective shell (16) are fixedly connected with fixed plates (17), and the fixed plates (17) are threadedly connected to the front side of the top plate (7).

6. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: A controller (18) is fixedly connected to the middle of the outer wall of the right support column (1), and the controller (18) is electrically connected to the servo motor (8) and the hydraulic rod (12).

7. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: A heater (19) is fixedly connected to the middle portion of the bottom end of the top plate (7), and an air outlet (20) is provided at the bottom of the heater (19).

8. The four-roll hot rolling device for producing magnesium alloy hot rolled coil according to claim 1, characterized in that: The outer wall of the servo motor (8) is provided with a second protective shell (21), and the second protective shell (21) is threadedly connected to the top front side of the top plate (7).

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