Hot steel billet conveying cantilever roller with water cooling function

Abstract

The utility model discloses a hot billet conveying cantilever roller with a water cooling function, and relates to the technical field of metallurgical equipment. The movable cover movably sleeves the right end of the main shaft; the U-shaped end of the U-shaped pipe is arranged in the main shaft in a penetrating manner, and the open end of the U-shaped pipe is arranged in the movable cover in a penetrating manner in a front-back opposite manner; the right front end of the open end is connected with the water inlet pipe, and the rear end of the open end is connected with the drainage pipe; the supporting frame is movably clamped to the lower side of the movable cover, an air cylinder is arranged on the upper right side of the base, and the pushing end of the air cylinder is connected with the supporting frame. The limiting frame is movably arranged on the upper side of the movable cover in a clamped mode, and the limiting frame and the supporting frame are both of a U-shaped structure. The clamping assembly is arranged between the limiting frame and the supporting frame. And the circulating water pipe is arranged in the main shaft, heat dissipation is conducted on the main shaft and the roller, heat dissipation is more uniform, and the conveying efficiency of the roller is improved.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical equipment technology, specifically to a hot steel billet conveying cantilever roller with water cooling function. Background Technology

[0002] A hot billet conveying cantilever roller is a component of equipment used to convey hot billets, mainly used on the discharge side of heating furnaces in the metallurgical industry. It conveys the billets out of the heating furnace by rotation. A bearing-type hot billet conveying cantilever roller with water cooling function is disclosed in patent publication number CN203629320U. It discloses that the bearing housing of the main shaft includes a cooling bearing housing and a regular bearing housing. The roller is set outside the cooling bearing housing. The cooling bearing housing is equipped with a circulating water-cooled bearing housing, and the water-cooled bearing housing is equipped with a water-cooling groove. However, the cooling bearing housing set in the above patent can only cool the part of the main shaft connected to the bearing housing, and cannot cool the conveying roller. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a simple, reasonably designed, and easy-to-use hot steel billet conveying cantilever roller with water cooling function. The circulating water pipe is set inside the main shaft, which not only dissipates heat from the main shaft and roller, but also makes the heat dissipation more uniform, thereby improving the conveying efficiency of the roller.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: it includes a main shaft and a roller body, the roller body being sleeved on the left end of the main shaft; the main shaft is screwed through a bearing seat, and the bearing seat is fixedly mounted on a base; a motor reducer is also mounted on the base, and the right end of the main shaft is screwed through a bearing into the motor reducer; it also includes:

[0005] A movable cover, wherein the movable cover is movably fitted onto the right end of the main shaft;

[0006] The U-shaped tube has its U-shaped end inserted into the main shaft, and its open end inserted into the movable cover with the front and rear ends facing each other. The right front end of the open end is connected to the water inlet pipe, and the rear end of the open end is connected to the drain pipe.

[0007] The support frame is movably mounted on the lower side of the movable cover, and a cylinder is provided on the upper right side of the base. The pushing end of the cylinder is connected to the support frame.

[0008] The limiting frame is movably locked on the upper side of the movable cover, and both the limiting frame and the support frame are U-shaped structures.

[0009] A clamping assembly is disposed between the limiting frame and the support frame;

[0010] Through the above technical solution design, the cylinder pushes the support frame to support the bottom of the movable cover, the clamping component drives the limit frame to move and clamp onto the movable cover, the movable cover supports the "U" shaped tube, and the water flowing inside the "U" shaped tube plays a role in cooling.

[0011] As a further improvement of this utility model, the clamping component includes:

[0012] The first support block is fixedly installed on the left side of the support frame, and the left side of the first support block is in sliding contact with the housing of the motor reducer.

[0013] The second support block is fixedly installed on the left side of the limiting frame, and the left side of the second support block is slidably installed with the housing of the motor reducer through a sliding pair;

[0014] Two drive motors are fixedly and symmetrically arranged at the bottom of the first support block, and the drive motors are located on the outside of the main shaft; the output shaft of the drive motor passes through the first support block and is located on the upper side of the first support block.

[0015] Two threaded rods are respectively installed on the output end of the drive motor; threaded tubes are screwed onto the threaded rods, and the upper end of the threaded tubes is screwed onto the bottom of the second support block through a bearing;

[0016] Through the above technical solution design, the thread drive of the threaded rod and threaded tube drives the No. 2 support block, thereby adjusting the limit frame.

[0017] As a further improvement of this utility model, the front and rear sides of the open end of the "U"-shaped tube are fitted with and fixed with limiting platforms, and the limiting platforms are set inside the movable cover.

[0018] The above technical solution is used to limit the movement of the "U" shaped tube.

[0019] As a further improvement of this utility model, a circular groove is provided on the inner wall of the right side of the movable cover, a truncated cone is inserted in the circular groove, and the front and rear sides of the open end of the "U"-shaped tube are respectively movably inserted into the truncated cone, and the limiting platform is in contact with the left side of the truncated cone.

[0020] Through the above technical solution design, the setting of the truncated cone limits the "U" shaped tube.

[0021] As a further improvement of this utility model, the right side of the truncated cone is fixedly provided with a plug rod, which passes through the slot inside the movable cover; the right end of the plug rod is fixedly provided with a screw rod, which passes through the slot and is located on the right side of the movable cover; a limiting ring is screwed onto the screw rod and is in contact with the right side of the movable cover.

[0022] Through the above technical solution design, the limiting ring and the screw are locked together, so that the frustum is fixed inside the movable cover and supports the "U" shaped tube.

[0023] The working principle of this utility model is as follows: A U-shaped tube is inserted into the main shaft from right to left, and a frustum is fitted onto the U-shaped tube until the frustum contacts the limiting platform; the movable cover is movably fitted onto the right end of the main shaft, and the insert rod is inserted into the movable cover. The limiting ring is manually tightened onto the screw, fixing the U-shaped tube inside the movable cover. The front end of the right open end of the U-shaped tube is connected to the water inlet pipe, and the rear end of the right open end of the U-shaped tube is connected to the drain pipe, forming a complete water circuit inside the U-shaped tube; the cylinder is started to move the support frame to support the bottom end of the movable cover, and the drive motors on both sides of the main shaft are started to rotate the threaded rod to drive the threaded tube, causing the limiting frame to move downward and clamp onto the upper side of the movable cover, thereby clamping and supporting the movable cover and reinforcing the stability of the U-shaped tube.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] 1. The "U"-shaped tube is placed inside the main shaft. During the rotation of the main shaft, the "U"-shaped tube is fixed and does not rotate. The water flowing inside the "U"-shaped tube cools the rotating main shaft.

[0026] 2. The support frame clamps and supports the lower side of the movable cover, while the limiting frame supports the upper side of the movable cover, ensuring that the movable cover is in a stable state and improving the stability of the "U" shaped tube.

[0027] 3. The screw drive mechanism moves the limit bracket to lock the movable cover in place;

[0028] 4. The limiting platform limits the truncated cone, and the truncated cone is locked inside the movable cover. The limiting ring locks the screw, and provides limiting support for the "U"-shaped tube, thus strengthening the stability of the "U"-shaped tube. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of this utility model.

[0030] Figure 2 yes Figure 1 A schematic diagram of the southeast isometric structure.

[0031] Figure 3 yes Figure 2 Enlarged view of part A.

[0032] Figure 4 This is a schematic diagram of the connection structure between the main shaft, movable cover, limiting frame and support frame in this utility model.

[0033] Figure 5 yes Figure 4 Enlarged view of part B.

[0034] Figure 6 This is a schematic diagram of the internal structure of the movable cover in this utility model.

[0035] Figure 7 This is a schematic diagram of the connection structure between the "U"-shaped tube and the frustum in this utility model.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Main shaft, 2. Roller body, 3. Motor reducer, 4. Movable cover, 4-1 circular groove, 4-2 slot, 5. "U" shaped tube, 6. Support frame, 7. Cylinder, 8. Limiting frame, 9. Clamping assembly, 9-1 first support block, 9-2 second support block, 9-3 drive motor, 9-4 threaded rod, 9-5 threaded tube, 10. Limiting platform, 11. Frustum, 12. Insert rod, 13. Limiting ring, 14. Screw. Detailed Implementation

[0038] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example 1:

[0039] Please see Figures 1-7 This embodiment includes a main shaft 1 and a roller body 2, with the roller body 2 sleeved on the left end of the main shaft 1; the main shaft 1 is screwed through a bearing housing, and the bearing housing is fixedly mounted on a base; a motor reducer 3 is also mounted on the base, and the right end of the main shaft 1 is screwed through a bearing housing into the motor reducer 3; it also includes:

[0040] The movable cover 4 is movably sleeved on the right end of the main shaft 1;

[0041] The U-shaped tube 5 has its U-shaped end inserted into the main shaft 1, and its open end inserted into the movable cover 4 with its front and rear ends facing each other. The right front end of the open end is connected to the inlet pipe, and the rear end is connected to the drain pipe. Limiting platforms 10 are fitted and fixed on both sides of the open end of the U-shaped tube 5, and these limiting platforms 10 are located inside the movable cover 4. A circular groove 4-1 is formed on the inner right side wall of the movable cover 4, and a frustum 11 is inserted into the circular groove 4-1. The front and rear sides of the open end of the tube 5 are respectively movably inserted into the frustum 11, and the limiting platform 10 is in contact with the left side of the frustum 11; the right side of the frustum 11 is fixedly provided with a rod 12, which is inserted into the slot 4-2 inside the movable cover 4; the right end of the rod 12 is fixedly provided with a screw 14, which passes through the slot 4-2 and is located on the right side of the movable cover 4; a limiting ring 13 is screwed onto the screw 14 and is in contact with the right side of the movable cover 4.

[0042] The support frame 6 is movably locked to the lower side of the movable cover 4, and a cylinder 7 is provided on the upper right side of the base. The pushing end of the cylinder 7 is connected to the support frame 6.

[0043] The limiting frame 8 is movably locked on the upper side of the movable cover 4, and both the limiting frame 8 and the support frame 6 are U-shaped structures.

[0044] The clamping component 9 is disposed between the limiting frame 8 and the support frame 6;

[0045] Through the above technical solution design, the cylinder 7 pushes the support frame 6 to support the bottom of the movable cover 4, the clamping component 9 drives the limit frame 8 to move and clamp onto the movable cover 4, the movable cover 4 supports the "U" shaped tube 5, and the water flowing inside the "U" shaped tube 5 plays a role in cooling. Example 2:

[0046] Please see Figures 1-7 Based on Embodiment 1, a further improvement is made, wherein the clamping component 9 comprises:

[0047] The first support block 9-1 is fixedly installed on the left side of the support frame 6, and the left side of the first support block 9-1 is in sliding contact with the housing of the motor reducer 3.

[0048] The second support block 9-2 is fixedly installed on the left side of the limiting frame 8, and the left side of the second support block 9-2 is slidably installed with the housing of the motor reducer 3 through a sliding pair;

[0049] Two drive motors 9-3 are symmetrically and fixedly installed at the bottom of the first support block 9-1, and the drive motors 9-3 are located on the outside of the main shaft 1. The specific model of the drive motor 9-3 is purchased and installed directly from the market according to the actual use requirements. The output shaft of the drive motor 9-3 passes through the first support block 9-1 and is located on the upper side of the first support block 9-1.

[0050] Two threaded rods 9-4 are respectively installed on the output end of the drive motor 9-3; threaded tubes 9-5 are screwed onto the threaded rods 9-4 by threads, and the upper end of the threaded tubes 9-5 is screwed onto the bottom of the second support block 9-2 by bearings.

[0051] Through the above technical solution design, the threaded drive of the threaded rod 9-4 and the threaded tube 9-5 drives the second support block 9-2, so that the limit frame 8 can be adjusted.

[0052] When using this utility model, the "U"-shaped tube 5 is inserted into the main shaft 1 from right to left, and the frustum 11 is fitted onto the "U"-shaped tube 5 until the frustum 11 contacts the limiting platform 10; the movable cover 4 is movably fitted onto the right end of the main shaft 1, and the insertion rod 12 is inserted into the inside of the movable cover 4. The limiting ring 13 is manually tightened onto the screw 14, so that the "U"-shaped tube 5 is fixed inside the movable cover 4. The front end of the right open end of the "U"-shaped tube 5 is connected to the water inlet pipe, and the rear end of the right open end of the "U"-shaped tube 5 is connected to the drain pipe, so that a complete water circuit is formed inside the "U"-shaped tube 5; the cylinder 7 is started to drive the support frame 6 to move, supporting the bottom end of the movable cover 4, and the drive motors 9-3 on the front and rear sides of the main shaft 1 are started, so that the threaded rod 9-4 rotates to drive the threaded tube 9-5, so that the limiting frame 8 moves downward and is clamped on the upper side of the movable cover 4, thereby clamping and supporting the movable cover 4 and reinforcing the stability of the "U"-shaped tube 5.

[0053] Compared with the prior art, the beneficial effects of this utility model are:

[0054] 1. The U-shaped tube 5 is placed inside the main shaft 1. During the rotation of the main shaft 1, the U-shaped tube 5 is fixed and does not rotate, and the water flowing inside the U-shaped tube 5 cools the rotating main shaft 1.

[0055] 2. The support frame 6 clamps and supports the lower side of the movable cover 4, and the limiting frame 8 supports the upper side of the movable cover 4, so that the movable cover 4 is in a stable state, which improves the stability of the "U" shaped tube 5.

[0056] 3. The limit bracket 8 is moved by a threaded drive to lock the movable cover 4 in place;

[0057] 4. The limiting platform 10 limits the circular platform 11, and the circular platform 11 is locked inside the movable cover 4. The limiting ring 13 locks the screw 14, and provides limiting support for the "U"-shaped tube 5, thus strengthening the stability of the "U"-shaped tube 5.

[0058] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hot steel billet conveying cantilever roller with water cooling function, comprising a main shaft (1) and a roller body (2), wherein the roller body (2) is sleeved on the left end of the main shaft (1); the main shaft (1) is screwed through a bearing seat, and the bearing seat is fixedly mounted on a base; a motor reducer (3) is also provided on the base, wherein the right end of the main shaft (1) is screwed through a bearing in the motor reducer (3); Its features are, It also includes: The movable cover (4) is movably fitted onto the right end of the main shaft (1); "U" shaped tube (5), the U-shaped end of the "U" shaped tube (5) is inserted into the main shaft (1), and the open end of the "U" shaped tube (5) is inserted into the movable cover (4) with the front and rear ends facing each other; and the right front end of the open end is connected to the water inlet pipe, and the rear end of the open end is connected to the drain pipe. The support frame (6) is movably mounted on the lower side of the movable cover (4), and a cylinder (7) is provided on the upper right side of the base. The pushing end of the cylinder (7) is connected to the support frame (6). The limiting frame (8) is movably locked on the upper side of the movable cover (4), and both the limiting frame (8) and the support frame (6) are U-shaped structures. The clamping component (9) is disposed between the limiting frame (8) and the support frame (6).

2. A hot billet conveying cantilever roller with water-cooling function according to claim 1, characterized in that: The clamping assembly (9) includes: The first support block (9-1) is fixedly installed on the left side of the support frame (6), and the left side of the first support block (9-1) is in sliding contact with the housing of the motor reducer (3). The second support block (9-2) is fixedly installed on the left side of the limiting frame (8), and the left side of the second support block (9-2) is slidably installed with the housing of the motor reducer (3) through a sliding pair; Two drive motors (9-3) are fixedly and symmetrically arranged at the bottom of the first support block (9-1), and the drive motors (9-3) are arranged on the outside of the main shaft (1); the output shaft of the drive motor (9-3) passes through the first support block (9-1) and is arranged on the upper side of the first support block (9-1). Two threaded rods (9-4) are respectively set on the output end of the drive motor (9-3); threaded tubes (9-5) are respectively screwed onto the threaded rods (9-4) by threads, and the upper end of the threaded tubes (9-5) is screwed onto the bottom of the second support block (9-2) by bearings.

3. A hot billet conveying cantilever roller with water-cooling function according to claim 1, characterized in that: The front and rear sides of the open end of the "U"-shaped tube (5) are fitted with and fixed with limiting platforms (10), and the limiting platforms (10) are located inside the movable cover (4).

4. A hot billet conveying cantilever roller with water-cooling function according to claim 3, characterized in that: The right inner wall of the movable cover (4) is provided with a circular groove (4-1), a frustum (11) is inserted in the circular groove (4-1), and the front and rear sides of the open end of the "U"-shaped tube (5) are respectively movably inserted into the frustum (11), and the limiting platform (10) is contacted and set on the left side of the frustum (11).

5. A hot billet conveying cantilever roller with water-cooling function according to claim 4, characterized in that: The right side of the truncated cone (11) is fixedly provided with a rod (12) and the rod (12) passes through the slot (4-2) inside the movable cover (4); the right end of the rod (12) is fixedly provided with a screw (14), the screw (14) passes through the slot (4-2) and is set on the right side of the movable cover (4), and a limiting ring (13) is screwed on the screw (14) by thread, and the limiting ring (13) is in contact with the right side of the movable cover (4).

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