Roll changing device for conveyor

Abstract

The utility model relates to the technical field of conveyor equipment, and discloses a roller changing device for a conveyor, which comprises a base, the top of the base is fixedly connected with two mounting frames, the inside of one of the mounting frames is rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded block, and the threaded block is in threaded connection with the threaded rod. A first bevel gear is fixedly connected to the outer side of the threaded rod, a transmission rod is rotationally connected to the interior of one mounting frame, and a second bevel gear is fixedly connected to one end of the transmission rod. According to the roller clamping device, a roller is placed in a groove in the top of a sliding seat, a clamping block can stably clamp the outer side of the roller under the elastic force action of a spring telescopic rod, then a handle is cranked by a hand to enable a transmission rod to drive a second bevel gear to rotate, the second bevel gear can drive a first bevel gear to rotate, then a threaded rod is made to rotate, and the roller is clamped and fixed. And then the threaded block drives the connecting plate to move upwards, so that a manual handheld mode can be replaced, and the roller can be stably dragged.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor equipment, in particular to a roll changing device for a conveyor. Background Technique

[0002] A conveyor is a mechanical device for continuously conveying materials. During long-term use, conveyor rollers will experience wear, deformation, or even damage due to friction, load-bearing, etc., thus affecting the conveying efficiency and quality. New and better-performing rollers need to be replaced to improve the operating performance of the conveyor, which can increase the conveying speed, stability, etc.; according to the requirements of conveying materials with different characteristics, rollers with specific surface materials or structures may need to be replaced to achieve better conveying effects.

[0003] When changing the rollers of the existing conveyors, generally, after the staff removes the rollers, they hold the new rollers and then tighten the two ends of the rollers on the conveyor with bolts. However, this way of changing rollers is labor-intensive and requires the cooperation of multiple people to achieve, which is rather troublesome. Therefore, the technicians in this field have proposed a roll changing device for a conveyor to solve the above problems. Content of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a roll changing device for a conveyor, aiming to improve the problem that when changing the rollers of the existing conveyors, generally, after the staff removes the rollers, they hold the new rollers and then tighten the two ends of the rollers on the conveyor with bolts. However, this way of changing rollers is labor-intensive and requires the cooperation of multiple people to achieve, which is rather troublesome.

[0005] To achieve the above object, the utility model provides the following technical solution: A roll changing device for a conveyor, including a base, two mounting frames are fixedly connected to the top of the base. A threaded rod is rotatably connected to the inside of one of the mounting frames. A threaded block is threadedly connected to the outside of the threaded rod. A first bevel gear is fixedly connected to the outside of the threaded rod. A transmission rod is rotatably connected to the inside of one of the mounting frames. A second bevel gear is fixedly connected to one end of the transmission rod. A connecting plate is fixedly connected to the outside of the threaded block. A mounting block is fixedly connected to the outside of the connecting plate. A sliding seat is slidably connected to the top of the mounting block. An L-shaped block is fixedly connected to the outside of the sliding seat. A spring telescopic rod is fixedly connected to the outside of the L-shaped block. A clamping block is fixedly connected to one end of the spring telescopic rod. A displacement component is arranged inside the mounting block, and the displacement component is used to adjust the position of the sliding seat.

[0006] Further, the displacement component includes a motor, the motor is installed at the bottom of the mounting block, and a cylindrical gear is fixedly connected to the output end of the motor.

[0007] Further, a chute is formed inside the mounting block, and a rack plate is slidably connected to the inner side of the chute.

[0008] Further, the outer side of the rack plate is meshed with the outer side of a cylindrical gear, and the top of the rack plate is fixedly connected to the bottom of a sliding seat.

[0009] Further, a guide rod is fixedly connected inside the other mounting frame, and a slider is slidably connected to the outer side of the guide rod.

[0010] Further, the outer side of the slider is fixedly connected to one end of a connecting plate.

[0011] Further, the outer side of the first bevel gear is meshed with the outer side of the second bevel gear.

[0012] Further, a handle is fixedly connected to one end of the transmission rod.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by placing a new roller in the groove at the top of the sliding seat, and under the elastic force of the spring telescopic rod, the other two clamping blocks can clamp and stabilize the outer side of the roller. Then, by manually rotating the handle, the transmission rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, and then the threaded rod rotates, and further the threaded block drives the connecting plate to move upward. In this way, it can replace the manual holding method and can stably hold the roller, saving time and effort when replacing the roller.

[0015] 2. In the utility model, after placing the roller on the top of the sliding seat, starting the motor can drive the cylindrical gear to rotate, so that the rack plate moves and drives the sliding seat to slide. In this way, the positions of both ends of the roller can be adjusted, facilitating the installation of the roller on the conveyor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of a roller changing device for a conveyor proposed by the utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the mounting frame of a roller changing device for a conveyor proposed by the utility model;

[0018] Figure 3 is a schematic diagram of the structure of the sliding seat of a roller changing device for a conveyor proposed by the utility model;

[0019] Figure 4 is a schematic diagram of the internal structure of the mounting block of a roller changing device for a conveyor proposed by the utility model.

[0020] Legend:

[0021] 1. Base; 2. Installation frame; 3. Threaded rod; 4. Threaded block; 5. First bevel gear; 6. Transmission rod; 7. Second bevel gear; 8. Guide rod; 9. Slide block; 10. Connecting plate; 11. Installation block; 12. Sliding seat; 13. L-shaped block; 14. Spring telescopic rod; 15. Clamping block; 16. Motor; 17. Cylindrical gear; 18. Chute; 19. Rack plate. Specific embodiments

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Refer to Figures 1 - 3 , an embodiment provided by the present invention: A roll changing device for a conveyor, including a base 1, two installation frames 2 are fixedly connected to the top of the base 1, a threaded rod 3 is rotatably connected inside one of the installation frames 2, a threaded block 4 is threadedly connected to the outside of the threaded rod 3, a first bevel gear 5 is fixedly connected to the outside of the threaded rod 3, a transmission rod 6 is rotatably connected inside one of the installation frames 2, a second bevel gear 7 is fixedly connected to one end of the transmission rod 6, a connecting plate 10 is fixedly connected to the outside of the threaded block 4, an installation block 11 is fixedly connected to the outside of the connecting plate 10, a sliding seat 12 is slidably connected to the top of the installation block 11, an L-shaped block 13 is fixedly connected to the outside of the sliding seat 12, a spring telescopic rod 14 is fixedly connected to the outside of the L-shaped block 13, a clamping block 15 is fixedly connected to one end of the spring telescopic rod 14, a displacement component is arranged inside the installation block 11, and the displacement component is used to adjust the position of the sliding seat 12. A new roll can be placed in the groove at the top of the sliding seat 12. In addition, under the elastic force of the spring telescopic rod 14, the two clamping blocks 15 can clamp and stabilize the outside of the roll. Then, by manually turning the handle, the transmission rod 6 drives the second bevel gear 7 to rotate, the second bevel gear 7 drives the first bevel gear 5 to rotate, and then the threaded rod 3 rotates, and further the threaded block 4 drives the connecting plate 10 to move upward. In this way, the manual holding method can be replaced, and the roll can be stably supported.

[0024] Refer to Figures 2 - 4, the displacement component includes a motor 16, the motor 16 is installed at the bottom of the mounting block 11, the output end of the motor 16 is fixedly connected with a cylindrical gear 17, a chute 18 is opened inside the mounting block 11, a rack plate 19 is slidably connected to the inner side of the chute 18, the outer side of the rack plate 19 is meshed with the outer side of the cylindrical gear 17, the top of the rack plate 19 is fixedly connected with the bottom of the sliding seat 12, a guide rod 8 is fixedly connected inside another mounting frame 2, a slider 9 is slidably connected to the outer side of the guide rod 8, the outer side of the slider 9 is fixedly connected with one end of a connecting plate 10. The connecting plate 10 drives the slider 9 to move more stably along the guide rod 8. The outer side of the first bevel gear 5 is meshed with the outer side of the second bevel gear 7. One end of the transmission rod 6 is fixedly connected with a handle. Starting the motor 16 can drive the cylindrical gear 17 to rotate, so that the rack plate 19 moves, and drives the sliding seat 12 to slide. In this way, the positions of both ends of the roller can be adjusted to facilitate the installation of the roller on the conveyor.

[0025] Working principle: A new roller can be placed in the groove at the top of the sliding seat 12. And under the elastic force of the spring telescopic rod 14, the two clamping blocks 15 can clamp and stabilize the outer side of the roller. Then, manually rotate the handle to make the transmission rod 6 drive the second bevel gear 7 to rotate. The second bevel gear 7 will make the threaded rod 3 rotate through the first bevel gear 5, so that the threaded block 4 drives the connecting plate 10 to move upward. Then start the motor 16 to drive the cylindrical gear 17 to rotate, and further make the rack plate 19 drive the sliding seat 12 to slide. In this way, the positions of both ends of the roller can be adjusted to facilitate the installation of the roller on the conveyor.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A roller changing device for a conveyor, comprising a base (1), characterized in that: The base (1) drives the top to be fixedly connected with two installation frames (2), one of the installation frames (2) is rotatably connected with a threaded rod (3) inside, the outer side of the threaded rod (3) is threadedly connected with a threaded block (4), the outer side of the threaded rod (3) is fixedly connected with a bevel gear 1 (5), one of the installation frames (2) is rotatably connected with a transmission rod (6) inside, one end of the transmission rod (6) is fixedly connected with a bevel gear 2 (7), the outer side of the threaded block (4) is fixedly connected with a connecting plate (10), the outer side of the connecting plate (10) is fixedly connected with a mounting block (11), the top of the mounting block (11) is slidably connected with a sliding seat (12), the outer side of the sliding seat (12) is fixedly connected with an L-shaped block (13), the outer side of the L-shaped block (13) is fixedly connected with a spring telescopic rod (14), one end of the spring telescopic rod (14) is fixedly connected with a clamping block (15), and a displacement component is arranged inside the mounting block (11), the displacement component is used to adjust the position of the sliding seat (12).

2. A conveyor roller changing device according to claim 1, characterized in that: The displacement assembly comprises a motor (16), the motor (16) is mounted on the bottom of the mounting block (11), and the output end of the motor (16) is fixedly connected to a cylindrical gear (17).

3. A roller changing device for a conveyor according to claim 2, characterized in that: A sliding groove (18) is provided inside the mounting block (11), and a rack plate (19) is slidably connected to the inner side of the sliding groove (18).

4. A conveyor roller changing device according to claim 3, characterized in that: The outer side of the rack plate (19) is meshedly connected with the outer side of the cylindrical gear (17), and the top of the rack plate (19) is fixedly connected with the bottom of the sliding seat (12).

5. The roller changing device for a conveyor according to claim 1, characterized in that: A guide rod (8) is fixedly connected to the inside of the other installation frame (2), and a slider (9) is slidably connected to the outside of the guide rod (8).

6. A conveyor roller changing device according to claim 5, characterized in that: The outer side of the sliding block (9) is fixedly connected to one end of the connecting plate (10).

7. A conveyor roller changing device according to claim 1, characterized in that: The outer side of the bevel gear 1 (5) is meshingly connected with the outer side of the bevel gear 2 (7).

8. The roller changing device for a conveyor according to claim 1, characterized in that: One end of the transmission rod (6) is fixedly connected to a handle.

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