Rapid swing feeding device for rolling magnesium alloy through three-roller mill

Abstract

The utility model discloses a quick swing feeding device for rolling magnesium alloy by a three-roller mill. A middle compression roller, an upper compression roller and a lower compression roller are arranged as a group of compression rollers; a second swing platform is arranged at the feeding end of the middle roller bearing seat, a first swing platform is arranged at the discharging end of the middle roller bearing seat, and the middle pressing roller and the swing platforms on the two sides are arranged in a reverse up-and-down movement state. A synchronous lifting frame is arranged below the set of pressing rollers, a driving end and a driven end are arranged on the two sides of the synchronous lifting frame respectively, a pair of cranks are symmetrically arranged at the upper ends of the two sides of the synchronous lifting frame, a main transmission mechanism is arranged on one side of the driving crank, and a driving linkage mechanism and a driven linkage mechanism of the swing platform are arranged on the two sides of the main transmission mechanism respectively; the rapid swing feeding device is matched with the floating middle pressing roller, the vertical operation amplitude of the feeding device is reduced, the rolling conversion time of the magnesium alloy sheet is shortened, and therefore the rolling interval of the magnesium alloy sheet is prolonged, the rolling temperature of magnesium alloy rolling is guaranteed, and rolling of the magnesium alloy sheet and the product quality can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to be used for three roll mill rolling magnesium alloy especially a kind of quick swing feeding device for three roll mill rolling magnesium alloy. TECHNICAL BACKGROUND

[0002] Magnesium alloy specific heat capacity is small, when rolling sheet, because its surface area increases, sheet cooling is too fast, and magnesium alloy rolling temperature range is very narrow, and rolling process needs to cooperate temperature range synchronous operation;The up-down swing range of the feeding device of the existing three roll mill that can realize the rapid rolling of magnesium alloy sheet is larger, because it is difficult to control swing range, leading to the failure rate of feeding device, thereby the time of rolling conversion station feeding is extended, simultaneously, the running interval of rolling conversion station feeding cooperation is extended, cannot guarantee the rolling temperature of magnesium alloy rolling, affects the rolling production and product quality of magnesium alloy sheet, in view of the above many reasons, present a kind of quick swing feeding device for three roll mill rolling magnesium alloy. SUMMARY

[0003] The purpose of the present application is to overcome the up-down swing range of the feeding device of the existing three roll mill that can realize the rapid rolling of magnesium alloy sheet is larger, because it is difficult to control swing range, leading to the failure rate of feeding device, cannot guarantee the rolling temperature of magnesium alloy rolling, affects the rolling production and product quality of magnesium alloy sheet;Through reasonable design, provide a kind of quick swing feeding device for three roll mill rolling magnesium alloy, the quick swing feeding device of the present application cooperates floating intermediate press roll, reduces the range of feeding device up-down operation, reduces the running interval time of magnesium alloy sheet rolling conversion, thereby extends the rolling interval of magnesium alloy sheet, guarantees the rolling temperature of magnesium alloy sheet rolling, can ensure the rolling and product quality of magnesium alloy sheet.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: A rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill, comprising: a main transmission mechanism, an active crank connecting rod, a first platform active lifting connecting rod, a crank shaft seat, a synchronous lifting frame, a crank, a second platform active lifting connecting rod, a second oscillating platform, a first oscillating platform, a platform driven lifting connecting rod, an intermediate roll bearing seat, a first platform bracket, a second platform bracket, a bearing seat lifting connecting rod, a platform end positioning shaft seat, a platform bracket shaft seat, a coupling, and an intermediate pressure roller; an intermediate pressure roller is provided on one side of the intermediate roll bearing seat, and the intermediate roll bearing seat and the intermediate pressure roller are configured as dynamic pressure rollers that move up and down; An upper pressure roller is installed above the middle pressure roller, and a lower pressure roller is installed below the middle pressure roller. The middle pressure roller, upper pressure roller, and lower pressure roller are configured as a set of pressure rollers. A pair of synchronous swing platforms are symmetrically installed at the feeding end and the unloading end of the middle roller bearing seat. A second swing platform is installed at the feeding end, and a first swing platform is installed at the unloading end. The two ends of the second swing platform and the first swing platform are respectively set as positioning ends and lifting ends. The positioning ends of the second swing platform and the first swing platform are respectively equipped with platform end positioning shaft seats. The lifting ends of the second swing platform and the first swing platform are set at the pressure roller gap above or below the middle pressure roller. The middle pressure roller and the swing platforms on both sides are set in opposite up-and-down motion states.

[0005] A first platform bracket and a second platform bracket are respectively installed below the first swing platform and the second swing platform. A pair of platform bracket bearing seats are installed at the lower part of the opposite ends of the first platform bracket and the second platform bracket, and the pair of platform bracket bearing seats respectively serve as the support points of the first platform bracket and the second platform bracket. A pair of platform driven lifting links are installed between the outer ends of the first platform bracket and the outer ends of the second swing platform and the first swing platform, respectively. A pair of bearing seat lifting links are symmetrically installed between the upper parts of the opposite ends of the first platform bracket and the two ends below the middle roller bearing seat.

[0006] A synchronous lifting frame is installed below a set of pressure rollers. The two sides of the synchronous lifting frame are respectively set as the driving end and the driven end. A pair of cranks are symmetrically arranged at the upper ends of the two sides of the synchronous lifting frame, and a pair of crankshaft seats are symmetrically arranged at the middle of the two sides of the pair of cranks. A first platform active lifting connecting rod is set at the upper end of the crank of the driving end, and a second platform active lifting connecting rod is set at the upper end of the crank of the driven end. A pair of couplings are set between the upper ends of the pair of cranks and the first platform active lifting connecting rod and the second platform active lifting connecting rod, respectively. The upper end of the first platform active lifting connecting rod is set to the lifting end of the first swing platform, and the upper end of the second platform active lifting connecting rod is set to the lifting end of the second swing platform. The lifting ends of the first swing platform and the second swing platform are set as synchronous lifting platforms.

[0007] A main drive mechanism is provided on one side of the drive crank, and a drive crank connecting rod is provided between the main drive mechanism and the drive crank coupling.

[0008] The main transmission mechanism on one side of the synchronous lifting frame, together with the active crank connecting rod, the active crank, and the active lifting connecting rod of the first platform, is set as the active linkage mechanism of the swing platform. The other side of the synchronous lifting frame, together with the active crank and the active lifting connecting rod of the second platform, is set as the driven linkage mechanism of the swing platform.

[0009] Beneficial effects:

[0010] The rapid oscillating feeding device of the present invention, in conjunction with the floating intermediate pressure roller, reduces the vertical movement of the feeding device, shortens the running interval time for the conversion of magnesium alloy sheet rolling, thereby extending the rolling range of magnesium alloy sheet, ensuring the rolling temperature of magnesium alloy sheet rolling, and ensuring the rolling of magnesium alloy sheet and the quality of the product.

[0011] 1. The oscillating feeding device in this invention moves as a whole under the action of a main transmission mechanism, which can realize the synchronous and rapid up and down movement of the left and right oscillating tables, thereby quickly completing the loading and unloading process in the rolling process of magnesium alloy thin plates.

[0012] 2. As the swing table moves up and down, the intermediate roll moves up and down in a small range under the action of the intermediate roll bearing seat, providing the support required for rolling force, and at the same time adjusting the roll gap in a driven manner.

[0013] 3. This invention is a mechanical transmission device with a simple and practical structure, low failure rate, and easy control. It achieves the important goal of rapid feeding in the rolling process of magnesium alloy thin plates at a relatively low cost. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the overall assembly structure;

[0016] Figure 1 In the middle section: 1. Main transmission mechanism, 2. Active crank connecting rod, 3. First platform active lifting connecting rod, 4. Crankshaft seat, 5. Synchronous lifting frame, 6. Crank, 7. Second platform active lifting connecting rod, 8. Second swing platform, 9. First swing platform, 10. Platform driven lifting connecting rod, 11. Middle roller bearing seat, 12. First platform bracket, 13. Second platform bracket, 14. Bearing seat lifting connecting rod, 15. Platform end positioning shaft seat, 16. Platform bracket shaft seat, 17. Coupling, 18. Intermediate pressure roller. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0018] An intermediate pressure roller 18 is provided on one side of the intermediate roller bearing housing 11. The intermediate roller bearing housing 11 and the intermediate pressure roller 18 are configured as dynamic pressure rollers that move up and down. An upper pressure roller is provided above the intermediate pressure roller 18, and a lower pressure roller is provided below the intermediate pressure roller 18. The intermediate pressure roller 18, the upper pressure roller, and the lower pressure roller are configured as a set of pressure rollers. A pair of synchronous swing platforms are symmetrically provided at the feeding end and the unloading end of the intermediate roller bearing housing 11. A second swing platform 8 is provided at the feeding end, and a first swing platform 9 is provided at the unloading end. The two ends of the second swing platform 8 and the first swing platform 9 are respectively set as positioning ends and lifting ends. Platform end positioning shaft seats 15 are respectively provided at the positioning ends of the second swing platform 8 and the first swing platform 9. The lifting ends of the second swing platform 8 and the first swing platform 9 are set at the pressure roller gap above or below the intermediate pressure roller 18. The intermediate pressure roller 18 and the swing platforms on both sides are configured to move up and down in opposite directions.

[0019] Below the first swing platform 9 and the second swing platform 8, a first platform bracket 12 and a second platform bracket 13 are respectively provided. At the lower part of the opposite end of the first platform bracket 12 and the second platform bracket 13, a pair of platform bracket bearing seats 16 are provided. The pair of platform bracket bearing seats 16 respectively provide the support points of the first platform bracket 12 and the second platform bracket 13. A pair of platform driven lifting connecting rods 10 are provided between the outer ends of the first platform bracket 12 and the second platform bracket 13 and the outer ends of the first swing platform 9 and the second swing platform 8, respectively. A pair of bearing seat lifting connecting rods 14 are symmetrically provided between the upper part of the opposite end of the first platform bracket 12 and the two ends below the middle roller bearing seat 11.

[0020] A synchronous lifting frame 5 is set below a set of pressure rollers. The two sides of the synchronous lifting frame 5 are respectively set as the active end and the driven end. A pair of cranks 6 are symmetrically set at the upper ends of the two sides of the synchronous lifting frame 5. A pair of crankshaft seats 4 are symmetrically set at the middle of the two sides of the pair of cranks 6. A first platform active lifting connecting rod 3 is set at the upper end of the crank 6 at the active end, and a second platform active lifting connecting rod 7 is set at the upper end of the crank 6 at the driven end. A pair of couplings 17 are set between the upper ends of the pair of cranks 6 and the first platform active lifting connecting rod 3 and the second platform active lifting connecting rod 7 respectively. The upper end of the first platform active lifting connecting rod 3 is set to the lifting end of the first swing platform 9, and the upper end of the second platform active lifting connecting rod 7 is set to the lifting end of the second swing platform 8. The lifting ends of the first swing platform 9 and the second swing platform 8 are set as synchronous lifting platforms.

[0021] A main drive mechanism 1 is provided on one side of the drive crank 6, and a drive crank connecting rod 2 is provided between the main drive mechanism 1 and the coupling 17 of the drive crank 6.

[0022] The main transmission mechanism 1 on one side of the synchronous lifting frame 5, together with the active crank connecting rod 2, the active crank 6, and the first platform active lifting connecting rod 3, is set as the active linkage mechanism of the swing platform. The other side of the synchronous lifting frame 5, together with the active crank 6 and the second platform active lifting connecting rod 7, is set as the driven linkage mechanism of the swing platform.

Claims

1. A rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill, comprising: a main transmission mechanism (1), an active crank connecting rod (2), a first platform active lifting connecting rod (3), a crank shaft seat (4), a synchronous lifting frame (5), a crank (6), a second platform active lifting connecting rod (7), a second oscillating platform (8), a first oscillating platform (9), a platform driven lifting connecting rod (10), an intermediate roll bearing seat (11), a first platform bracket (12), a second platform bracket (13), a bearing seat lifting connecting rod (14), a platform end positioning shaft seat (15), a platform bracket shaft seat (16), a coupling (17), and an intermediate pressure roller (18); characterized in that: An intermediate pressure roller (18) is provided on one side of the intermediate roller bearing seat (11). The intermediate roller bearing seat (11) and the intermediate pressure roller (18) are configured as dynamic pressure rollers that move up and down. An upper pressure roller is provided above the intermediate pressure roller (18), and a lower pressure roller is provided below the intermediate pressure roller (18). The intermediate pressure roller (18), the upper pressure roller, and the lower pressure roller are configured as a set of pressure rollers. A pair of synchronous swing platforms are symmetrically provided at the feeding end and the unloading end of the intermediate roller bearing seat (11). A second swing platform (8) is provided at the feeding end, and a first swing platform (9) is provided at the unloading end. The two ends of the second swing platform (8) and the first swing platform (9) are respectively set as positioning ends and lifting ends. Platform end positioning shaft seats (15) are respectively provided at the positioning ends of the second swing platform (8) and the first swing platform (9). The lifting ends of the second swing platform (8) and the first swing platform (9) are set at the pressure roller gap above or below the intermediate pressure roller (18). The intermediate pressure roller (18) and the swing platforms on both sides are set in opposite up and down motion states.

2. The rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill according to claim 1, characterized in that: The first platform bracket (12) and the second platform bracket (13) are respectively provided below the first swing platform (9) and the second swing platform (8). A pair of platform bracket bearing seats (16) are provided at the lower part of the opposite end of the first platform bracket (12) and the second platform bracket (13). The pair of platform bracket bearing seats (16) are respectively provided as the support points of the first platform bracket (12) and the second platform bracket (13). A pair of platform driven lifting linkages (10) are provided between the outer ends of the first platform bracket (12) and the second platform bracket (13) and the outer ends of the first swing platform (9) and the second swing platform (8). A pair of bearing seat lifting linkages (14) are symmetrically provided between the upper part of the opposite end of the first platform bracket (12) and the two ends below the middle roller bearing seat (11).

3. The rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill according to claim 1, characterized in that: A synchronous lifting frame (5) is set below a set of pressure rollers. The two sides of the synchronous lifting frame (5) are respectively set as the active end and the driven end. A pair of cranks (6) are symmetrically set on the upper ends of the two sides of the synchronous lifting frame (5). A pair of crank shaft seats (4) are symmetrically set in the middle of the two sides of the pair of cranks (6). The upper end of the crank (6) of the active end is set with the first platform active lifting connecting rod (3), and the upper end of the crank (6) of the driven end is set with the second platform active lifting connecting rod (7). A pair of couplings (17) are set between the upper ends of the pair of cranks (6) and the first platform active lifting connecting rod (3) and the second platform active lifting connecting rod (7) respectively. The upper end of the first platform active lifting connecting rod (3) is set with the lifting end of the first swing platform (9), and the upper end of the second platform active lifting connecting rod (7) is set with the lifting end of the second swing platform (8). The lifting ends of the first swing platform (9) and the second swing platform (8) are set as synchronous lifting platforms.

4. A rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill according to claim 1, characterized in that: A main drive mechanism (1) is provided on one side of the drive crank (6), and a drive crank connecting rod (2) is provided between the main drive mechanism (1) and the coupling (17) of the drive crank (6).

5. A rapid oscillating feeding device for rolling magnesium alloys in a three-roll mill according to claim 1, characterized in that: The main transmission mechanism (1) on one side of the synchronous lifting frame (5), together with the active crank connecting rod (2), the active crank (6), and the first platform active lifting connecting rod (3), are set as the active linkage mechanism of the swing platform. The other side of the synchronous lifting frame (5), together with the active crank (6) and the second platform active lifting connecting rod (7), are set as the driven linkage mechanism of the swing platform.

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