Automatic unblocking device of bell cleaning machine

Abstract

The utility model discloses an automatic unblocking device of a boll cleaning machine, which comprises a plurality of cotton suction nozzles fixedly arranged on a shell of a cleaning chamber of the boll cleaning machine, and the cotton suction nozzles are communicated with the interior of the cleaning chamber and face the upper side of a U-shaped rack roller of the cleaning chamber; the cotton suction device further comprises a fan controlled by the PLC, and the fan is communicated with the cotton suction nozzle through a pipeline. The unblocking device can automatically and efficiently unblock the U-shaped rack roller and the surrounding area of the U-shaped rack roller, the labor intensity of unblocking treatment is reduced, and the influence on the production progress of cotton processing can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to a blockage clearing process for a U-shaped rack roller of a bell cleaning machine and its surrounding area, in particular to an automatic blockage clearing device for a bell cleaning machine. Background Art

[0002] Boll cleaners are primarily used in the cotton processing industry, particularly in the initial processing phase after cotton is harvested. Their primary function is to remove impurities (such as bolls, leaves, seeds, etc.) from the cotton to improve its purity and quality.

[0003] During cotton clearing, excessive material moisture, uneven particle size, rack roller wear, excessive feed speed, or inadequate equipment maintenance can cause cotton to become clogged in the U-shaped rack roller, hindering its proper operation. Currently, the only way to clear a cotton clog is by rotating the rack roller to pull the cotton, effectively clearing the roller and surrounding area. This process can take two to four hours, which is not only time-consuming and labor-intensive, but also significantly impacts cotton processing production schedules. Utility Model Content

[0004] In order to solve the above deficiencies in the prior art, the utility model aims to provide an automatic clearing device for a bell clearing machine, so as to automatically and efficiently clear the blockage of the U-shaped rack roller and its surrounding area, so as to avoid affecting the production progress of cotton processing.

[0005] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: an automatic blockage clearing device for a bell cleaning machine, comprising a plurality of cotton suction nozzles fixedly mounted on the outer shell of a cleaning chamber of the bell cleaning machine, the cotton suction nozzles being connected to the interior of the cleaning chamber and facing the upper side of a U-shaped rack roller of the cleaning chamber;

[0006] The utility model also comprises a fan controlled by a PLC controller, and the fan is connected with the cotton suction nozzle through a pipeline.

[0007] As a limitation of the present invention, the invention further includes a torque sensor installed at the U-shaped rack roller, and the torque sensor is electrically connected to the PLC controller.

[0008] As a further limitation of the present invention, a safety switch is also provided on the fan power line.

[0009] As another limitation of the present invention, a cotton collecting bag or a cotton collecting box is detachably provided at the discharge port of the blower.

[0010] Due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0011] (1) The present invention provides a row of cotton suction nozzles on the outer shell of the cleaning chamber, facing the upper side of the U-shaped rack roller. When cotton is blocked in the U-shaped rack roller and its surrounding area, the PLC controller can be used to control the fan to start, so that negative pressure is formed at the cotton suction nozzles to suck away the cotton in the blocked area. Compared with the method of workers rotating the U-shaped rack roller to hook and pull the cotton, the present invention is simple to operate, can reduce the labor intensity during the blockage removal process, and has high blockage removal efficiency, saves time, and can avoid affecting the production progress of cotton processing.

[0012] (2) When cotton is blocked, the torque of the U-shaped rack roller changes. The present invention sets a torque sensor on the U-shaped rack roller. When the torque sensor senses the torque change, it transmits the signal to the PLC controller, which controls the fan to start and clear the blockage. The present invention realizes real-time monitoring of the working status of the U-shaped rack roller. When cotton is blocked, it can be discovered and handled in time, avoiding long-term cotton blockage affecting normal production or causing damage to the equipment due to excessive load.

[0013] (3) The utility model provides a safety switch on the fan power line. When an unexpected situation occurs or the PLC controller fails to control the fan, the power supply of the fan can be disconnected through the safety switch.

[0014] (4) In the present invention, a cotton collecting bag or box is provided at the discharge port of the blower to facilitate collection of the cotton after clearing the blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1 This is a schematic diagram of the installation position of the cotton suction nozzle on the bell cleaning machine in the embodiment of the present utility model (A in the figure indicates the cotton blockage point);

[0017] Figure 2 This is a schematic diagram of the connection structure between the cotton suction nozzle and the fan in the embodiment of the utility model;

[0018] In the figure: 1. Cotton suction nozzle; 2. Fan; 3. Pipeline; 4. Cleaning chamber shell; 5. U-shaped rack roller. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention and are not intended to limit the present invention.

[0020] This embodiment discloses an automatic clearing device for a bell clearing machine. Figure 2As shown, it includes multiple trumpet-shaped cotton suction nozzles 1 and a fan 2 connected to the cotton suction nozzles 1 through a pipe 3. The fan 2 is used to form a negative pressure at the cotton suction nozzles 1 to suck away the cotton in the blocked area (i.e., area A), thereby completing the blockage clearing process at the U-shaped rack roller 5 of the bell cleaning machine.

[0021] like Figure 1 As shown, the cotton suction nozzle 1 is fixed to the cleaning chamber housing 4 of the bell cleaning machine. The working end of the cotton suction nozzle 1 communicates with the cleaning chamber and faces the upper side of the U-shaped rack roller 5 in the cleaning chamber (cotton is prone to clogging on the upper side of the U-shaped rack roller 5 and the surrounding area, i.e., area A). In this embodiment, three cotton suction nozzles 1 are arranged side by side, evenly spaced along the length of the cleaning chamber housing 4. Furthermore, the three cotton suction nozzles 1 are connected to the same fan 2 via a pipe 3.

[0022] Fan 2 utilizes an existing structure, automatically controlled by a PLC controller, and features a safety switch on the power cord for emergency use. To facilitate the collection of cotton removed from the blockage, this embodiment features a removable cotton collection box at the discharge port of fan 2, bolted together. Of course, depending on the size of the site, a flexible cotton collection bag could be used in place of the cotton collection box.

[0023] Furthermore, this embodiment also includes a torque sensor installed at the U-shaped rack roller 5, and the torque sensor is electrically connected to the PLC controller.

[0024] When cotton clogs occur, the torque of the U-shaped rack roller 5 changes. The torque sensor in this embodiment monitors the torque changes of the U-shaped rack roller 5 in real time. When it senses a torque change, it transmits a signal to the PLC controller, which activates the fan 2, creating negative pressure at the suction nozzle 1 to remove the clogged cotton. When the torque sensor detects that the torque of the U-shaped rack roller 5 has returned to normal, it transmits a signal to the PLC controller, which then stops the fan 2.

[0025] It should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still modify the technical solutions described in the above embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An automatic blockage clearing device for a bell clearing machine, characterized by: It includes a plurality of cotton suction nozzles fixedly mounted on the outer shell of the cleaning chamber of the bell cleaning machine, wherein the cotton suction nozzles are connected to the interior of the cleaning chamber and face the upper side of the U-shaped rack roller of the cleaning chamber; The utility model also comprises a fan controlled by a PLC controller, and the fan is connected with the cotton suction nozzle through a pipeline.

2. The automatic blockage clearing device for a bell clearing machine according to claim 1, characterized in that: The invention also includes a torque sensor installed at the U-shaped rack roller, and the torque sensor is electrically connected to the PLC controller.

3. The automatic blockage clearing device for a bell clearing machine according to claim 2, characterized in that: It also includes a safety switch arranged on the fan power line.

4. The automatic blockage clearing device for a bell clearing machine according to any one of claims 1 to 3, characterized in that: The discharge port of the fan is detachably provided with a cotton collecting bag or a cotton collecting box.

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