Inlet guide for high-speed bar pre-finishing mill

Abstract

The utility model discloses an inlet guide for a high-speed bar pre-finishing mill, and relates to the technical field of inlet guides. An inlet guide for a high-speed bar pre-finishing mill comprises a guide box body, a movable supporting arm is arranged on the guide box body, a first mounting hole is formed in the supporting arm, a second mounting hole is formed in the guide box body, and the first mounting hole and the second mounting hole are jointly connected with a connecting shaft. The supporting arm can rotate relative to the guide and guard box body, and a guide roller is rotationally connected to the supporting arm; the guide and guard box body is provided with a pressing adjusting piece and an adjusting assembly, the pressing adjusting piece and the adjusting assembly are located on the two sides of the supporting arm respectively, and the pressing adjusting piece and the adjusting assembly are both configured to be capable of moving so as to adjust the height of the supporting arm. The height of the guide roller can be conveniently adjusted.

Description

Technical Field

[0001] This application relates to the field of imported guides, and particularly to an imported guide for a high-speed bar pre-finishing mill. Background Art

[0002] In the current bar rolling field, many enterprises adopt the high-speed bar production process in order to improve the dimensional accuracy and appearance quality of the finished products rolled from red-hot bars while reducing production costs. Typically, to apply this production process, enterprises will assemble a high-speed bar production line in the factory.

[0003] In a high-speed bar production line, there are usually a roughing mill set, an intermediate rolling mill set, a pre-finishing mill set, and a finishing mill set arranged in sequence. Among them, the pre-finishing mill set mainly plays a connecting role, and to meet the actual production requirements, its structure needs to be designed in an easy-to-adjust style.

[0004] The existing imported guide of the pre-finishing mill set usually includes a guide box body and a guide support arm. The guide box body includes an inlet and an outlet at opposite ends. A rotatable guide roller for guiding the bar is also installed at the front end of the guide support arm. When the bar is put in from the inlet, it can pass through the inside of the box body and be discharged from the outlet, and enter the pass of the pre-finishing mill set accurately and stably under the guiding action of the guide roller.

[0005] For the existing ordinary imported guide of the pre-finishing mill, it is not convenient to adjust the guide roller after installation. When the actual production situation changes and the installation height of the guide roller needs to be adjusted, the adjustment is particularly time-consuming and laborious, affecting production efficiency. Utility Model Content

[0006] In order to facilitate the adjustment of the height of the guide roller to improve production efficiency, this application provides an imported guide for a high-speed bar pre-finishing mill.

[0007] The imported guide for a high-speed bar pre-finishing mill provided by this application adopts the following technical solutions:

[0008] An imported guide for a high-speed bar pre-finishing mill includes a guide box body. A movable support arm is provided on the guide box body. A first mounting hole is opened on the support arm, and a second mounting hole is opened on the guide box body. The first mounting hole and the second mounting hole are jointly connected by a connecting shaft. The support arm can rotate relative to the guide box body, and a guide roller is rotatably connected to the support arm. A pressing adjustment member and an adjustment assembly are provided on the guide box body. The pressing adjustment member and the adjustment assembly are respectively located on both sides of the support arm, and both the pressing adjustment member and the adjustment assembly are configured to be movable so as to adjust the height of the support arm.

[0009] By adopting the above technical solution, the height of the support arm can be adjusted by utilizing the characteristics that the pressing adjustment member and the adjustment assembly can move up and down. Adjusting the height of the support arm can drive the adjustment of the height of the guide roller. Therefore, the present application facilitates the adjustment of the height of the guide roller.

[0010] In a specific feasible implementation, the adjustment assembly includes a bushing. The guide guard box body is provided with a connection hole, and the bushing can slide in the connection hole. The bushing is sleeved on the bottom end of the connecting shaft and presses against the bottom end of the support arm; a positioning member is further provided on the side of the connection hole away from the connecting shaft with respect to the bushing, and the positioning member is in threaded connection with the connection hole.

[0011] By adopting the above technical solution, by turning the positioning member, the bushing can be driven to move, thereby jacking up or lowering the support arm.

[0012] In a specific feasible implementation, both the positioning member and the pressing adjustment member are screw plugs.

[0013] In a specific feasible implementation, the guide guard box body is further provided with a through hole, and the through hole is connected with a pressing member. The pressing member and the guide roller are respectively located on both sides of the connecting shaft. The pressing member presses against the support arm, and the pressing member is configured to be able to move so as to drive the support arm to rotate.

[0014] By adopting the above technical solution, moving the pressing member can drive the support arm to rotate, so as to drive the guide roller to rotate around the connecting shaft, thereby adjusting the position of the guide roller.

[0015] In a specific feasible implementation, the pressing member is a screw rod.

[0016] In a specific feasible implementation, the connecting shaft includes a stepped portion on the outer wall, and the stepped portion presses against the upper end of the support arm.

[0017] In a specific feasible implementation, the guide guard box body includes a feed end away from the guide roller, and the feed end is provided with a feed guiding member for guiding the bar into the guide guard box body.

[0018] By adopting the above technical solution, the feed guiding member can guide the bar into the guide guard box body.

[0019] In a specific feasible implementation, the feed guiding member includes a feed hole in the middle, and the aperture of the feed hole gradually becomes larger in the direction away from the feed end.

[0020] By adopting the above technical solution, the funnel-shaped feed hole can better guide the movement of the bar.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. By utilizing the characteristics that the pressing adjustment part and the adjustment component can move up and down to adjust the height of the support arm, adjusting the height of the support arm can drive the adjustment of the height of the guide roller. Therefore, the present application can facilitate the adjustment of the height of the guide roller;

[0023] 2. Moving the pressing part can drive the rotation of the support arm to drive the guide roller to rotate around the connecting shaft, thereby adjusting the position of the guide roller;

[0024] 3. The feeding guide part can guide the bar into the guide guard box body. Description of the Drawings

[0025] Figure 1 is a partial front view sectional view of an inlet guide guard for a high-speed bar pre-finishing mill according to an embodiment of the present application.

[0026] Figure 2 is a partial top view sectional view of the present application.

[0027] Description of the reference numerals: 1, guide guard box body; 11, flow channel; 12, discharge end; 13, feed end; 14, second mounting hole; 15, feeding guide part; 151, feeding hole; 16, connecting hole; 2, support arm; 21, first mounting hole; 22, guide roller; 23, through hole; 3, connecting shaft; 31, step part; 4, pressing adjustment part; 5, adjustment component; 51, bushing; 52, position adjusting part; 6, pressing part. Detailed Description of the Embodiment

[0028] The following further describes the present application in detail with reference to the drawings.

[0029] The embodiment of the present application discloses an inlet guide guard for a high-speed bar pre-finishing mill, which can adjust the height of the guide roller 22 to meet different production requirements.

[0030] Refer to Figure 1 and Figure 2, An inlet guide for a high-speed bar pre-finishing mill includes a guide box body 1. The guide box body 1 includes a flow channel 11 that runs horizontally through the middle for the bar to pass through. The left end of the guide box body 1 is the discharge end 12, and the right end of the guide box body 1 is the feed end 13. There are two movable support arms 2 provided on the guide box body 1. Each support arm 2 is provided with a first mounting hole 21, and the guide box body 1 is correspondingly provided with a second mounting hole 14 for each mounting hole. The first mounting hole 21 and the second mounting hole 14 are jointly connected by a connecting shaft 3. Each support arm 2 can rotate relative to the guide box body 1. Each support arm 2 is provided with a rotatable guide roller 22. The guide roller 22 is located on the left side of the discharge end 12, and the middle of the two guide rollers 22 is aligned with the flow channel 11. In order to facilitate the feeding of the bar into the flow channel 11, a feed guiding member 15 is provided at the feed end 13. The feed guiding member 15 is used to guide the bar into the guide box body 1; specifically, the feed guiding member 15 includes a feed hole 151 in the middle, and the aperture of the feed hole 151 gradually becomes larger in the direction away from the feed end 13.

[0031] Put the bar into the flow channel 11 from the feed guiding member 15. The bar will be discharged from the discharge end 12 through the flow channel 11, and the discharged bar will contact the two guide rollers 22 at the same time. The two guide rollers 22 will guide the movement of the bar.

[0032] Refer to Figure 1 and Figure 2 , A pressing adjustment member 4 and an adjustment assembly 5 are provided on the guide box body 1. The pressing adjustment member 4 and the adjustment assembly 5 are respectively located on the upper and lower sides of the support arm 2, that is, the support arm 2 is pressed and fixed by the pressing adjustment member 4 and the adjustment assembly 5. Both the pressing adjustment member 4 and the adjustment assembly 5 can move up and down to adjust the height of the support arm 2.

[0033] Refer to Figure 1 and Figure 2 , The adjustment assembly 5 includes a bushing 51. The guide box body 1 is provided with a connecting hole 16. The connecting hole 16 is vertically arranged. The bushing 51 is slidably arranged in the connecting hole 16. The bushing 51 is sleeved on the bottom end of the connecting shaft 3, and the upper end of the bushing 51 abuts against the bottom end of the support arm 2; a positioning member 52 is also provided in the connecting hole 16 below the bushing 51. The lower end of the bushing 51 touches the upper end of the positioning member 52. The positioning member 52 is threadedly connected with the connecting hole 16. Specifically, the positioning member 52 is a plug.

[0034] When the pressing state of the upper end of the support arm 2 by the pressing adjustment member 4 is released, by rotating the positioning member 52, the positioning member 52 can be driven to move up and down, thereby driving the bushing 51 to move up and down to lift or lower the support arm 2.

[0035] Refer to Figure 1 and Figure 2, the second mounting hole 14 is vertically and penetratingly provided. The pressing and adjusting member 4 is located within the second mounting hole 14 and above the connecting shaft 3. The lower end of the pressing and adjusting member 4 touches the upper end of the connecting shaft 3. The pressing and adjusting member 4 is also a plug, and there is a threaded connection between the pressing and adjusting member 4 and the mounting hole; the connecting shaft 3 includes a stepped portion 31 on the outer wall, and the stepped portion 31 presses against the upper end of the support arm 2.

[0036] When the pressing state of the lower end of the support arm 2 by the bushing 51 is released, by rotating the pressing and adjusting member 4, the pressing and adjusting member 4 can be driven to move up and down, thereby driving the stepped portion 31 to move up and down to lift or lower the support arm 2.

[0037] It should be noted that: this application can be placed flat on the ground so that the connecting shaft 3 is placed horizontally on the ground. At this time, by synchronously operating the pressing and adjusting member 4 and the position adjusting member 52, it is convenient to move the support arm 2.

[0038] Refer to Figure 1 and Figure 2 , in order to be able to rotate the support arm 2 to adjust the position of the guide roller 22 so as to adjust the distance between the two guide rollers 22, a through hole 23 is also provided on the guide guard housing 1. A pressing member 6 is threadedly connected to the through hole 23. The pressing member 6 and the guide roller 22 are respectively located on both sides of the connecting shaft 3. The pressing member 6 presses against the support arm 2. The pressing member 6 is specifically a screw rod in this application.

[0039] When the support arm 2 is not fully tightened, by rotating the pressing member 6, the pressing member 6 can be driven to move to adjust the length of the pressing member 6 extending out of the through hole 23 and pressing against the support arm 2, thereby driving the support arm 2 to rotate around the connecting shaft 3. When the support arm 2 rotates, the guide roller 22 rotates, and at this time, the distance between the two guide rollers 22 changes.

[0040] The implementation principle of an inlet guide guard for a high-speed bar pre-finishing mill in an embodiment of this application is: rotate the pressing and adjusting member 4 to release the pressing of the pressing and adjusting member 4 on the upper end of the support arm 2. Rotate the position adjusting member 52 to drive the position adjusting member 52 to move up and down, thereby driving the bushing 51 to move up and down to lift or lower the support arm 2 and then change the height of the guide roller 22. After that, rotate the pressing and adjusting member 4 to re-tighten the support arm 2.

[0041] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. An inlet guide for a high-speed bar pre-finishing mill, characterized in that: The invention comprises a guide box body (1), wherein a movable support arm (2) is provided on the guide box body (1), a first mounting hole (21) is provided on the support arm (2), a second mounting hole (14) is provided on the guide box body (1), a connecting shaft (3) is connected to the first mounting hole (21) and the second mounting hole (14), the support arm (2) can rotate relative to the guide box body (1), and a guide roller (22) is rotatably connected to the support arm (2); a pressing adjustment member (4) and an adjustment assembly (5) are provided on the guide box body (1), the pressing adjustment member (4) and the adjustment assembly (5) are respectively located on two sides of the support arm (2), and the pressing adjustment member (4) and the adjustment assembly (5) are both configured to be movable so as to adjust the height of the support arm (2).

2. The inlet guide for a high-speed bar pre-finishing mill according to claim 1, characterized in that: The adjustment assembly (5) comprises a shaft sleeve (51), the guide box body (1) is provided with a connecting hole (16), the shaft sleeve (51) is able to slide in the connecting hole (16), the shaft sleeve (51) is sleeved on the bottom end of the connecting shaft (3) and pressed against the bottom end of the support arm (2); a positioning member (52) is also provided in the connecting hole (16) on the side of the shaft sleeve (51) away from the connecting shaft (3), and the positioning member (52) is threadedly connected to the connecting hole (16).

3. The inlet guide for a high-speed bar pre-finishing mill according to claim 2, characterized in that: The positioning member (52) and the pressure adjustment member (4) are both screw plugs.

4. The inlet guide for a high-speed bar pre-finishing mill according to claim 1, characterized in that: The guide box body (1) is also provided with a through hole (23), the through hole (23) is connected with a pressing member (6), the pressing member (6) and the guide roller (22) are respectively located on both sides of the connecting shaft (3), the pressing member (6) is pressed against the support arm (2), and the pressing member (6) is configured to be movable so as to drive the support arm (2) to rotate.

5. The inlet guide for a high-speed bar pre-finishing mill according to claim 4, characterized in that: The pressing member (6) is a screw.

6. The inlet guide for a high-speed bar pre-finishing mill according to claim 1, characterized in that: The connecting shaft (3) comprises a step portion (31) on the outer wall, and the step portion (31) is pressed against the upper end of the support arm (2).

7. The inlet guide for a high-speed bar pre-finishing mill according to claim 1, characterized in that: The guide box body (1) comprises a feed end (13) away from the guide roller (22), and the feed end (13) is provided with a feed guide (15), and the feed guide (15) is used to guide the rod to enter the guide box body (1).

8. The inlet guide for a high-speed bar pre-finishing mill according to claim 7, characterized in that: The feed guide (15) comprises a feed hole (151) in the middle, and the diameter of the feed hole (151) gradually increases in a direction away from the feed end (13).

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