Feeding screening device of dust-free feeding station

Abstract

The utility model provides a feeding screening device of a dust-free feeding station, which comprises a feeding hopper, the bottom of the feeding hopper is provided with a discharge port, the feeding hopper is provided with a screening mechanism used for screening materials fed by workers, the screening mechanism comprises a screening box and a shell, the interior of the feeding hopper is provided with a limiting sliding chute, and the limiting sliding chute is provided with a feeding hole. The screening box is movably arranged in the limiting sliding groove, and a plurality of sets of shells are arranged outside the feeding hopper. When the screening device is used, through installation of the screening box and the shell, when a worker throws materials into the feeding hopper, the thrown materials fall into the screening box movably installed in the feeding hopper in a limiting mode, and along with starting of the motor in the shell, the screening box can conduct limiting reciprocating motion in the limiting sliding groove; the screening box can screen and scatter materials in the screening box, it is ensured that the particle size distribution of the materials meets the production requirement, the working efficiency of the screening box is improved, and the practicability of the dust-free feeding station is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a feeding and screening device of a dust-free feeding station. Background Art

[0002] The dust-free feeding station is a manual device used to manually dump small bags of powder or granular materials into the downstream hopper. It completes the bag unloading and unloading work through steps such as manual bag unloading and automatic dumping, allowing the material to fall into the storage hopper by gravity. The filter cleaning device and exhaust fan are installed inside the equipment to filter out the dust generated during the dumping process and discharge the clean exhaust gas into the atmosphere, so that workers can work easily in a clean environment. It is suitable for unpacking, feeding, screening and unloading of small bags of materials in the pharmaceutical, chemical and food industries, and is particularly suitable for feeding and screening of materials with poor fluidity. During unpacking, the dust collecting fan can prevent the material dust from flying everywhere.

[0003] Nowadays, when the feeding and screening devices of dust-free feeding stations are in use, most of them are unable to screen the materials during the feeding process, and the unscreened materials may contain lumps or large particles, which may cause blockages in subsequent production equipment, affecting production efficiency and equipment life. The lack of effective screening may also cause unqualified raw materials to be mixed into the production process, affecting the purity, performance and consistency of the final product, and may cause the quality of the finished product to fail to meet the standards. Utility Model Content

[0004] The utility model aims to provide a feeding and screening device for a dust-free feeding station, aiming to solve the problem that most of the feeding and screening devices of traditional dust-free feeding stations in the prior art cannot effectively screen the materials during feeding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A feeding and screening device for a dust-free feeding station comprises: a feeding hopper, a discharge port is arranged at the bottom of the feeding hopper, a screening mechanism is arranged on the feeding hopper for screening materials fed by staff, the screening mechanism comprises a screening box and a shell, a limiting chute is arranged inside the feeding hopper, the screening box is movably arranged inside the limiting chute, and multiple groups of shells are arranged outside the feeding hopper.

[0007] Preferably, a screen is provided at the inner bottom of the screening box, and a limiting inclined block for limiting the position of the material is provided inside the screening box.

[0008] Preferably, a plurality of guide rods are fixedly provided on the outside of the screening box, and one end of the guide rod extends to the interior of the shell, a limiting plate is fixedly installed on one end of the guide rod, a spring is arranged around the outside of the guide rod, and both ends of the spring are respectively fixedly connected to the outside of the screening box and the inner wall of the limiting slide groove.

[0009] Preferably, a rod body is fixedly provided on the outside of the screening box, a mounting piece is fixedly provided on one end of the rod body, a roller is rotatably provided on the mounting piece, and the roller is located inside the shell.

[0010] Preferably, a motor is fixedly disposed inside the housing, a cam is fixedly disposed at the output end of the motor, and the cam can cooperate with the roller.

[0011] The beneficial effects of the utility model are:

[0012] 1. When the utility model is in use, through the installation of the screening box and the shell, when the staff puts materials into the feeding hopper, the materials put in will fall into the screening box installed with a movable limit in the feeding hopper. With the start-up of the motor in the shell, the screening box can move back and forth with the inside of the limit slide, so that the screening box can screen and break up the materials inside it, ensuring that the particle size distribution of the materials meets the production requirements, improving its work efficiency, and enhancing the practicality of the dust-free feeding station. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of a screening box according to a specific embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of a housing of a specific embodiment of the utility model.

[0016] Figure 4 It is a specific embodiment of the utility model Figure 3 A magnified schematic diagram of the structure in Figure 1.

[0017] Figure 5 It is a structural schematic diagram of a position limiting slide groove in a specific embodiment of the utility model.

[0018] In the figure: 1. feeding hopper; 2. limiting slide; 3. screening box; 4. guide rod; 5. limiting plate; 6. spring; 7. housing; 8. rod body; 9. mounting part; 10. roller; 11. motor; 12. cam; 13. screen; 14. limiting inclined block. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0020] like Figure 1-5 As shown, a feeding and screening device of a dust-free feeding station comprises: a feeding hopper 1, a discharge port is arranged at the bottom of the feeding hopper 1, a screening mechanism for screening materials fed by staff is arranged on the feeding hopper 1, the screening mechanism comprises a screening box 3 and a shell 7, a limited chute 2 is arranged inside the feeding hopper 1, the screening box 3 is movably arranged inside the limited chute 2, a plurality of shells 7 are arranged outside the feeding hopper 1, the feeding hopper 1 is the main interface for material input of the dust-free feeding station, the feeding hopper 1 is designed to receive materials fed by staff, and the bottom The discharge port ensures that the material can be smoothly transferred to the subsequent processing link. Through the installation of the screening box 3 and the shell 7, when the staff puts the material into the feeding hopper 1, the material will fall into the screening box 3 installed with a movable limit in the feeding hopper 1. With the start of the motor 11 in the shell 7, the screening box 3 can move back and forth with the inside of the limit chute 2, so that the screening box 3 can screen and break up the material inside it, ensuring that the particle size distribution of the material meets the production requirements, improving its work efficiency, and enhancing the practicality of the dust-free feeding station.

[0021] like Figure 2 As shown, a screen 13 is provided at the inner bottom of the screening box 3, and a limiting inclined block 14 for limiting the material is provided inside the screening box 3. The screen 13 is located at the bottom of the screening box 3 and is a key component for material size screening. The aperture size of the screen 13 is customized according to actual production needs, and is used to separate materials of different particle sizes and break up agglomerated materials. The limiting inclined block 14 is provided inside the screening box 3, and is used to guide and limit the material entering the screening box 3, so that the material will not enter the limiting chute 2 during the movement and screening inside the screening box 3.

[0022] like Figure 3 and Figure 4As shown, multiple groups of guide rods 4 are fixedly provided on the outside of the screening box 3, and one end of the guide rod 4 extends to the inside of the shell 7, and a limit plate 5 is fixedly installed on one end of the guide rod 4. A spring 6 is arranged around the outside of the guide rod 4, and the two ends of the spring 6 are respectively fixedly connected to the outside of the screening box 3 and the inner wall of the limit slide 2. A rod body 8 is fixedly provided on the outside of the screening box 3, and a mounting piece 9 is fixedly provided on one end of the rod body 8. The mounting piece 9 is rotatably provided with a roller 10, and the roller 10 is located inside the shell 7. A motor 11 is fixedly provided inside the shell 7, and a cam 12 is fixedly provided on the output end of the motor 11, and the cam 12 can cooperate with the roller 10. The screening box 3 is movably limited and installed in the inside of the limit slide 2 through the guide rod 4 and the limit plate 5 fixedly installed on one end of the guide rod 4, which is used to limit The moving range of the screening box 3 is to prevent excessive vibration or disengagement. The function of the spring 6 is to provide the necessary elastic force. The auxiliary motor 11 drives the screening box 3 to move back and forth to screen the material inside it. The rod body 8 is fixed to the outside of the screening box 3, and a rotatable roller 10 is installed on the mounting piece 9 at one end thereof. The roller 10 is located inside the shell 7. The motor 11 is fixed inside the shell 7, and its output end is connected to the cam 12. The cam 12 converts the rotational motion of the motor 11 into the linear motion of the screening box 3 through contact with the roller 10. With the elastic force of multiple groups of springs 6, the screening box 3 can reciprocate, so that the screening box 3 can screen and break up the material inside it, ensuring that the particle size distribution of the material meets the production requirements, improving its work efficiency, and enhancing the practicality of the dust-free feeding station.

[0023] Working principle: the feeding hopper 1 is the main interface for material input of the dust-free feeding station. The feeding hopper 1 is designed to receive the materials put in by the staff. The discharge port at the bottom ensures that the materials can be smoothly transferred to the subsequent processing links. Through the installation of the screening box 3 and the shell 7, when the staff puts materials into the feeding hopper 1, the materials they put in will fall into the screening box 3 installed with a movable limit in the feeding hopper 1. With the start of the motor 11 in the shell 7, the screening box 3 can be limited and reciprocated with the inside of the limit chute 2, so that the screening box 3 can screen and break up the materials inside it, ensuring that the particle size distribution of the materials meets the production requirements, improving its working efficiency, and enhancing the practicality of the dust-free feeding station. The screen 13 is located at the bottom of the screening box 3 and is a key component for material size screening. The aperture size of the screen 13 is customized according to actual production needs, which is used to separate materials of different particle sizes and break up the agglomerated materials. The limit inclined block 14 is arranged inside the screening box 3 to guide and limit the materials entering the screening box 3. , so that the material will not enter the limiting chute 2 during the process of moving and screening inside the screening box 3. The screening box 3 is installed in the limiting chute 2 through the guide rod 4 and the limiting plate 5 fixedly installed at one end of the guide rod 4. It is used to limit the moving range of the screening box 3 to prevent excessive vibration or escape. The function of the spring 6 is to provide the necessary elastic force. The auxiliary motor 11 drives the screening box 3 to reciprocate to screen the material inside it. The rod body 8 is fixed to the outside of the screening box 3, and the mounting piece 9 at one end thereof is installed There is a rotatable roller 10, which is located inside the shell 7. The motor 11 is fixed inside the shell 7, and its output end is connected to the cam 12. The cam 12 converts the rotational motion of the motor 11 into the linear motion of the screening box 3 by contacting the roller 10. With the elastic force of multiple groups of springs 6, the screening box 3 can reciprocate, so that the screening box 3 can screen and break up the material inside it, ensuring that the particle size distribution of the material meets the production requirements, improving its work efficiency, and enhancing the practicality of the dust-free feeding station.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A feeding and screening device for a dust-free feeding station, comprising: A feeding hopper (1), wherein a discharge port is arranged at the bottom of the feeding hopper (1), characterized in that a screening mechanism for screening materials fed by a worker is arranged on the feeding hopper (1), wherein the screening mechanism comprises a screening box (3) and a shell (7), wherein a limiting slide groove (2) is arranged inside the feeding hopper (1), wherein the screening box (3) is movably arranged inside the limiting slide groove (2), and wherein a plurality of shells (7) are arranged outside the feeding hopper (1).

2. The feeding and screening device of a dust-free feeding station according to claim 1, characterized in that: The inner bottom of the screening box (3) is provided with a screen (13), and the interior of the screening box (3) is provided with a limiting inclined block (14) for limiting the position of the material.

3. The feeding and screening device of a dust-free feeding station according to claim 2, characterized in that: A plurality of guide rods (4) are fixedly arranged on the outside of the screening box (3), and one end of the guide rod (4) extends into the interior of the housing (7). A limiting plate (5) is fixedly installed on one end of the guide rod (4). A spring (6) is arranged around the outside of the guide rod (4), and two ends of the spring (6) are respectively fixedly connected to the outside of the screening box (3) and the inner wall of the limiting slide groove (2).

4. The feeding and screening device of a dust-free feeding station according to claim 3, characterized in that: A rod body (8) is fixedly provided on the outside of the screening box (3), a mounting member (9) is fixedly provided on one end of the rod body (8), a roller (10) is rotatably provided on the mounting member (9), and the roller (10) is located inside the housing (7).

5. The feeding and screening device of a dust-free feeding station according to claim 4, characterized in that: A motor (11) is fixedly arranged inside the housing (7), a cam (12) is fixedly arranged at the output end of the motor (11), and the cam (12) can cooperate with the roller (10).

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