Supporting and fine-adjusting mechanism for rolling mill guide and guard assembly

Abstract

The utility model discloses a rolling mill guide and guard assembly supporting fine-tuning mechanism which comprises a guide and guard assembly, lifting grooves are formed in the two sides of the guide and guard assembly, lifting blocks are connected into the lifting grooves in a sliding mode, a side arm is fixedly connected to one side of each lifting block, a guide wheel is rotationally connected into the side arm, and the guide wheel is fixedly connected to the side arm. A lead screw is in threaded connection with the interior of the lifting block, the bottom of the lead screw is rotationally connected with the inner wall of the lifting groove, the upper portion of the lead screw penetrates through the lifting groove to be fixedly connected with a gear, a protection frame is fixedly connected to the upper portion of the guide and guard assembly, a first threaded rod is rotationally connected with the interior of the protection frame, and a rack is in threaded connection with the outer side of the first threaded rod. The two sides of the rack are meshed with the gears, the guide and guard structure can be adjusted to the proper height according to the height of steel, it can be ensured that the contact position between the guide and guard structure and a workpiece or a rolled piece is correct, and the machining precision reduction or product quality problem caused by improper height is avoided.

Description

Technical Field

[0001] The utility model relates to the field of guide and guard assemblies, in particular to a support fine-tuning mechanism for a rolling mill guide and guard assembly. Background Art

[0002] The rolling mill guide assembly is a crucial component of rolling mill equipment. It guides, supports, and protects the workpiece as it smoothly enters and leaves the rolls during rolling, ensuring stability and product quality. The following is a detailed explanation of the rolling mill guide assembly.

[0003] Currently, rolling mill guide and guard assemblies are mostly fixed to the rolling mill by bolts during installation. When the position of the guide and guard assembly needs to be adjusted, it is usually necessary to loosen the bolts first and then adjust the position of the rolling mill guide and guard assembly, which makes it inconvenient to adjust the rolling mill guide and guard assembly. Therefore, a rolling mill guide and guard assembly support fine-tuning mechanism is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a rolling mill guide assembly support fine-tuning mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rolling mill guide assembly support fine-tuning mechanism, including a guide assembly, lifting grooves are opened on both sides of the guide assembly, a lifting block is slidably connected to the lifting groove, a side arm is fixedly connected to one side of the lifting block, a guide wheel is rotatably connected to the side arm, a lead screw is threadedly connected to the lifting block, the bottom of the lead screw is rotatably connected to the inner wall of the lifting groove, the upper part of the lead screw penetrates the lifting groove and is fixedly connected to a gear, the upper part of the guide assembly is fixedly connected to a protective frame, a first threaded rod is rotatably connected to the protective frame, the outer side of the first threaded rod is threadedly connected to a rack, and the two sides of the rack are meshed with the gear.

[0006] Preferably, a first limiting groove is provided on the upper portion of the guide assembly, a first limiting block is fixedly connected to the lower portion of the rack, and the first limiting block is slidably connected to the inside of the first limiting groove.

[0007] Preferably, second limiting grooves communicating with the lifting grooves are opened on both sides of the guide assembly, and a second limiting block is fixedly connected to one side of the lifting block, and the second limiting block is slidably connected to the inside of the second limiting groove.

[0008] Preferably, the guide assembly is fixedly connected to mounting brackets facing the lifting slots on both sides, a connecting slot is provided at the lower part of the mounting bracket, a sliding block is slidably connected to the inside of the connecting slot, one side of the sliding block is fixedly connected to a second threaded rod, one end of the second threaded rod is slidably connected to the inside of the connecting slot, the other end of the second threaded rod penetrates the outside of the connecting slot and is threadedly connected to a fixing nut, the other side of the sliding block is fixedly connected to a fixing plate, and the other side of the fixing plate is fixedly connected to a support plate.

[0009] Preferably, a base is sleeved on the outer side of the lower part of the guide assembly, and third threaded rods are connected to the internal threads on both sides of the base. The third threaded rods are rotatably connected to a push plate facing the side of the guide assembly.

[0010] Preferably, two groups of sliding rods are fixedly connected inside the base, and the sliding rods are slidably connected to the push plate and the inside of the guide assembly.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model drives the rack to move forward and backward by rotating the first threaded rod, and the rack drives the lead screw to rotate through the gear, thereby driving the side arm and the guide wheel to move up and down through the lifting block, thereby achieving fine adjustment of the height, and can finely adjust the height of the guide structure of the guide assembly. The guide structure can be adjusted to an appropriate height according to the height of the steel, and can ensure that the contact position between it and the workpiece or rolled piece is correct, thereby avoiding a decrease in processing accuracy or product quality problems caused by improper height;

[0013] The utility model also rotates the third threaded rods on both sides to fix the two sides of the guide assembly with the push plates on both sides, and pushes the guide assembly to move along the sliding rod, thereby changing the position of the guide assembly and being able to fine-tune the position of the guide equipment to meet different practical situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;

[0015] Figure 2 This is a schematic diagram of the gear structure from the second perspective of the present invention;

[0016] Figure 3 This is a cross-sectional view of the lifting slot structure from the third perspective of the utility model.

[0017] In the figure: 1. Guide assembly; 2. Lifting slot; 3. Lifting block; 4. Side arm; 5. Guide wheel; 6. Lead screw; 7. Gear; 8. Protective frame; 9. First threaded rod; 10. Rack; 11. First limiting slot; 12. First limiting block; 13. Second limiting slot; 14. Second limiting block; 15. Mounting frame; 16. Connecting slot; 17. Sliding block; 18. Second threaded rod; 19. Fixing nut; 20. Fixing plate; 21. Support plate; 22. Base; 23. Sliding rod; 24. Third threaded rod; 25. Push plate. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 The utility model provides a technical solution: a rolling mill guide assembly support fine-adjustment mechanism, including a guide assembly 1, a lifting groove 2 is opened on both sides of the guide assembly 1, a lifting block 3 is slidably installed inside the lifting groove 2, a side arm 4 is fixedly welded on one side of the lifting block 3, and a guide wheel 5 is rotatably installed inside the side arm 4 for guiding the steel bar entering the rolling mill, a screw 6 is threadedly installed on the internal thread of the lifting block 3, the bottom of the screw 6 is rotatably connected to the inner wall of the lifting groove 2, the upper part of the screw 6 penetrates the lifting groove 2 and is fixedly welded with a gear 7, a protective frame 8 is fixedly welded on the upper part of the guide assembly 1, a first threaded rod 9 is rotatably installed inside the protective frame 8, the outer side of the first threaded rod 9 is threadedly connected to a rack 10, and the two sides of the rack 10 are meshed with the gear 7, and the rack 10 is driven to move back and forth by rotating the first threaded rod 9, and the rack 10 drives the screw 6 to rotate through the gear 7, thereby driving the side arm 4 and the guide wheel 5 to move up and down through the lifting block 3 to achieve fine adjustment of the height;

[0020] A first limiting groove 11 is provided on the upper part of the guide assembly 1, and a first limiting block 12 is fixedly welded at the lower part of the rack 10. The first limiting block 12 is slidably installed inside the first limiting groove 11 to prevent the first threaded rod 9 from driving the rack 10 to rotate; second limiting grooves 13 communicating with the lifting groove 2 are provided on both sides of the guide assembly 1, and a second limiting block 14 is fixedly welded on one side of the lifting block 3. The second limiting block 14 is slidably connected to the inside of the second limiting groove 13 to prevent the lead screw 6 from driving the lifting block 3 to rotate; a mounting bracket 15 facing the lifting groove 2 is fixedly welded on both sides of the guide assembly 1, and a connecting groove 16 is provided at the lower part of the mounting bracket 15. A sliding block 17 is slidingly installed inside the connecting groove 16, and a second threaded rod 18 is fixedly welded on one side of the sliding block 17. One end of the second threaded rod 18 is slidably connected to the inside of the connecting groove 16, and the other end of the second threaded rod 18 penetrates the outer side of the connecting groove 16 and is threadedly connected to a fixing nut 19. A fixing plate 20 is fixedly welded on the other side of the sliding block 17, and a support plate 21 is fixedly welded on the other side of the fixing plate 20. By moving the sliding block 17 up and down along the connecting groove 16, the supporting piece 21 is close to the lower part of the lifting block 3, and by rotating the fixing nut 19, the fixing nut 19 presses one side of the mounting frame 15, and continues to rotate the fixing nut 19, the second threaded rod 18 drives the sliding block 17 to move, so that the fixing piece 20 presses the other side of the mounting frame 15, and the height of the sliding block 17 is fixed, thereby supporting the lower part of the lifting block 3; a base 22 is sleeved on the outer side of the lower part of the guide assembly 1, and a third threaded rod 24 is installed on the internal threads on both sides of the base 22. The third threaded rod 24 is rotatably connected to a push plate 25 facing one side of the guide assembly 1. By rotating the third threaded rod 24 on both sides, the push plates 25 on both sides are fixed to the two sides of the guide assembly 1 and push the guide assembly 1 to move, thereby changing the position of the guide assembly 1; two sets of sliding rods 23 are fixedly welded between the inside of the base 22, and the sliding rods 23 are slidably installed on the push plates 25 and the inside of the guide assembly 1 to prevent the guide assembly 1 from separating from the base 22 and to ensure that the push plates 25 do not rotate arbitrarily.

[0021] Working principle: When the utility model is in use, the rack 10 is driven to move forward and backward by rotating the first threaded rod 9, and the rack 10 drives the lead screw 6 to rotate through the gear 7, thereby driving the side arm 4 and the guide wheel 5 to move up and down through the lifting block 3 to achieve fine adjustment of the height, and the supporting piece 21 is close to the lower part of the lifting block 3 by moving the sliding block 17 up and down along the connecting groove 16, and the fixing nut 19 is pressed against one side of the mounting frame 15 by rotating the fixing nut 19, and the fixing nut 19 is continued to be rotated, and the second threaded rod 18 drives the sliding block 17 to move, so that the fixing piece 20 is pressed against the other side of the mounting frame 15, and the height of the sliding block 17 is fixed, thereby supporting the lower part of the lifting block 3, and the third threaded rods 24 on both sides are rotated to make the push plates 25 on both sides fix the two sides of the guide assembly 1, and push the guide assembly 1 to move along the sliding rod 23, thereby changing the position of the guide assembly 1.

[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rolling mill guide assembly support fine-tuning mechanism, comprising a guide assembly (1), characterized in that: Lifting grooves (2) are provided inside the guide assembly (1) on both sides, and a lifting block (3) is slidably connected inside the lifting groove (2), and a side arm (4) is fixedly connected to one side of the lifting block (3), and a guide wheel (5) is rotatably connected inside the side arm (4). A lead screw (6) is threadedly connected inside the lifting block (3), and the bottom of the lead screw (6) is rotatably connected to the inner wall of the lifting groove (2). The upper part of the lead screw (6) penetrates the lifting groove (2) and is fixedly connected to a gear (7). The upper part of the guide assembly (1) is fixedly connected to a protective frame (8), and a first threaded rod (9) is rotatably connected inside the protective frame (8). The outer side of the first threaded rod (9) is threadedly connected to a rack (10), and both sides of the rack (10) are meshed with the gear (7).

2. The rolling mill guide assembly support fine-tuning mechanism according to claim 1, characterized in that: The guide assembly (1) has a first limiting groove (11) formed on its upper portion, and the rack (10) has a first limiting block (12) fixedly connected to its lower portion, wherein the first limiting block (12) is slidably connected to the interior of the first limiting groove (11).

3. The rolling mill guide assembly support fine-tuning mechanism according to claim 1, characterized in that: Second limiting grooves (13) communicating with the lifting grooves (2) are provided on both sides of the guide assembly (1); a second limiting block (14) is fixedly connected to one side of the lifting block (3); and the second limiting block (14) is slidably connected to the inside of the second limiting groove (13).

4. The rolling mill guide assembly support fine-tuning mechanism according to claim 1, characterized in that: The guide assembly (1) is fixedly connected to mounting frames (15) facing the lifting slot (2) on both sides, and a connecting slot (16) is provided at the lower part of the mounting frame (15). A sliding block (17) is slidably connected inside the connecting slot (16). One side of the sliding block (17) is fixedly connected to a second threaded rod (18). One end of the second threaded rod (18) is slidably connected to the inside of the connecting slot (16). The other end of the second threaded rod (18) penetrates the outside of the connecting slot (16) and is threadedly connected to a fixing nut (19). The other side of the sliding block (17) is fixedly connected to a fixing plate (20), and the other side of the fixing plate (20) is fixedly connected to a support plate (21).

5. The rolling mill guide assembly support fine-tuning mechanism according to claim 1, characterized in that: The lower outer side of the guide assembly (1) is sleeved with a base (22), and both sides of the base (22) are internally threadedly connected to third threaded rods (24), and the third threaded rods (24) are rotatably connected to a push plate (25) facing one side of the guide assembly (1).

6. The rolling mill guide assembly support fine-tuning mechanism according to claim 5, characterized in that: Two groups of sliding rods (23) are fixedly connected inside the base (22), and the sliding rods (23) are slidably connected to the push plate (25) and the inside of the guide assembly (1).

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