A multi-stage screening device for masterbatch specially used for film blowing

Abstract

The utility model relates to the technical field of masterbatch screening, in particular to a multi-stage screening device for masterbatch special for film blowing, which performs multi-stage screening on masterbatch through a screening device, facilitates operators to observe and maintain the internal operation of the screening device through an inspection structure, and enables the equipment to have the ability to control the single discharge amount through a weighing structure, which is convenient for packaging or direct use of materials and improves the practicability of the device; the utility model comprises a screening device, an inspection structure and a weighing structure, wherein the inspection structure is installed on the screening device and the weighing structure is installed on the screening device.

Description

Technical Field

[0001] The utility model relates to the technical field of masterbatch screening, in particular to a multi-stage screening device for masterbatch special for film blowing. Background Art

[0002] Masterbatch, also known as color seed, is composed of excessive amounts of chemical additives, carrier resins and dispersants. It is an aggregate obtained by uniformly loading an extraordinary amount of pigment in the resin. It is mainly composed of pigments, dispersants and carrier resins to ensure uniform coloring during injection molding, blow molding, extrusion and other processes. The blow molding coloring of ultra-thin products has extremely high requirements on the quality of masterbatches, which need to be screened and classified according to size.

[0003] The Chinese utility model patent with application number CN202220336866.X in the prior art relates to a multi-stage screening device for masterbatches, including a box body, a cover, a slider, a guide rod, a limit frame, a filter screen and a baffle, etc., which can facilitate the maintenance of the equipment.

[0004] However, the above device cannot control the discharge of the screened masterbatch in actual use, and cannot control the single discharge amount. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a multi-stage screening device for masterbatch through a screening device. The maintenance structure is convenient for operators to observe and maintain the internal operation of the screening device. The weighing structure enables the equipment to have the ability to control the single discharge amount, which is convenient for the packaging or direct use of the material, thereby improving the practicality of the device and providing a multi-stage screening device for masterbatch specially used for film blowing.

[0006] The utility model discloses a multi-stage screening device for color masterbatches specially used for film blowing; it comprises a screening device, an inspection structure and a weighing structure, wherein the inspection structure is installed on the screening device, and the weighing structure is installed on the screening device; the color masterbatches are screened in multiple stages by the screening device, the inspection structure is convenient for operators to observe and maintain the internal operation of the screening device, and the weighing structure enables the equipment to have the ability to control the single discharge amount, which is convenient for the packaging or direct use of the materials and improves the practicability of the device.

[0007] Preferably, the screening device includes a frame, a screening tube, a large-diameter mesh screen, a small-diameter mesh screen, a driving motor and a feeding screw. The driving motor is installed on the rear end surface of the frame, the screening tube is arranged in the frame, the feeding screw is installed inside the screening tube, the output end of the driving motor passes through the frame and is connected with the feeding screw, and the large-diameter mesh screen and the small-diameter mesh screen are respectively installed at the front and back of the lower part of the screening tube; masterbatch is added to the screening tube, and then the driving motor is turned on to transmit power to the feeding screw to drive the feeding screw to rotate, thereby pushing the masterbatch to move on the small-diameter mesh screen and the large-diameter mesh screen, and the masterbatch is screened by the small-diameter mesh screen and the large-diameter mesh screen, thereby improving the practicality of the device.

[0008] Preferably, it also includes a feed hopper and a magnet rack. The feed hopper is installed at the rear of the upper end surface of the frame, and the magnet rack is arranged in the feed hopper. The material is stored and added through the feed hopper, and the masterbatch material is preliminarily screened through the magnet rack to remove the oversized diameter particles in the material, and the metal dust in the material is adsorbed, thereby improving the practicability of the device.

[0009] Preferably, it also includes a collecting hopper and a solenoid valve. A group of collecting hoppers are installed at the lower part of the frame corresponding to the positions of the small-diameter mesh screen and the large-diameter mesh screen, and a solenoid valve is installed at the lower part of the collecting hopper. The sieved masterbatch particles are collected and stored by the collecting hopper, and the release of the masterbatch particles is controlled by the opening and closing of the solenoid valve, thereby improving the practicability of the device.

[0010] Preferably, it also includes a vibration motor, and a vibration motor is installed on the side of the frame; by turning on the vibration motor to drive the collecting hopper to vibrate, it is convenient to evenly output the masterbatch particles in the collecting hopper, reduce the situation where the masterbatch particles cannot be discharged normally after accumulation, and improve the practicality of the device.

[0011] Preferably, the maintenance structure includes a rotating shaft, a baffle, an observation window and a magnet, and a group of maintenance ports are respectively arranged on the side of the frame corresponding to the positions of the large-diameter mesh screen and the small-diameter mesh screen, the upper part of the maintenance port is connected to the baffle through the rotating shaft, the observation window is installed on the baffle, and the lower part of the baffle is installed with a magnet; the baffle and the rotating shaft are convenient for maintenance personnel to quickly open the maintenance port for maintenance work, and the baffle is adsorbed on the side of the frame by the magnet, thereby reducing smoke and dust overflowing from the maintenance port during the production process, and the observation window is convenient for maintenance personnel to directly observe the operation process in the frame, thereby improving the practicability of the device.

[0012] Preferably, the weighing structure includes a pressure sensor, a receiving tray and a limit ring. A group of pressure sensors are respectively installed on the lower bottom surface of the two groups of collecting hoppers. A limit ring is arranged on the lower end surface of the receiving tray, and the receiving tray is placed on the pressure sensor. The masterbatch output from the collecting hopper is carried by the receiving tray, and the quality of the material in the receiving tray is monitored in conjunction with the pressure sensor to facilitate the control of the single discharge amount. The position of the receiving tray on the pressure sensor is limited by the limit ring to prevent the receiving tray from tilting and falling due to improper placement during the material loading process, thereby improving the practicability of the device.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the masterbatch is screened in multiple stages through the screening device; the maintenance structure facilitates the operator to observe and maintain the internal operation of the screening device; the weighing structure enables the equipment to control the single discharge amount, which is convenient for the packaging or direct use of the material and improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 5 It is a partial enlarged structural schematic diagram of the utility model;

[0019] Markings in the attached drawings: 1. Frame; 2. Screening pipe; 3. Large diameter mesh screen; 4. Small diameter mesh screen; 5. Driving motor; 6. Feeding screw; 7. Feed hopper; 8. Magnet rack; 9. Collecting hopper; 10. Solenoid valve; 11. Vibrating motor; 12. Rotating shaft; 13. Baffle; 14. Observation window; 15. Magnet; 16. Pressure sensor; 17. Receiving tray; 18. Limiting ring. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The inspection structure shown is installed on the screening device, and the weighing structure is installed on the lower side of the screening device;

[0022] First, the material is stored and added through the feed hopper 7, the masterbatch material is preliminarily screened through the magnet frame 8, and the metal powder particles in the material are adsorbed, and then the material enters the screening tube 2, the drive motor 5 is turned on to transmit power to the feeding screw 6 to drive the feeding screw 6 to rotate, thereby pushing the masterbatch to move on the small diameter mesh screen 4 and the large diameter mesh screen 3, and the masterbatch is screened by the small diameter mesh screen 4 and the large diameter mesh screen 3, and the masterbatch of the required size falls from the large diameter mesh screen 3 and the small diameter mesh screen 4 to the collecting hopper 9 on the lower side of each, and then the solenoid valve 10 is opened according to the demand to release the material into the receiving tray 17, and the material in the receiving tray 17 is weighed by the pressure sensor 16;

[0023] The screening device comprises a frame 1, a screening tube 2, a large-diameter mesh screen 3, a small-diameter mesh screen 4, a driving motor 5 and a feeding screw 6. The driving motor 5 is installed on the rear end surface of the frame 1, the screening tube 2 is arranged in the frame 1, the feeding screw 6 is installed inside the screening tube 2, the output end of the driving motor 5 passes through the frame 1 and is connected to the feeding screw 6, and the large-diameter mesh screen 3 and the small-diameter mesh screen 4 are respectively installed at the front and rear of the lower part of the screening tube 2;

[0024] It also includes a feed hopper 7 and a magnet frame 8. The feed hopper 7 is installed at the rear of the upper end surface of the frame 1, and the magnet frame 8 is arranged in the feed hopper 7;

[0025] It also includes a collecting hopper 9 and a solenoid valve 10. A group of collecting hoppers 9 are respectively installed at the positions of the small-diameter mesh screen 4 and the large-diameter mesh screen 3 at the lower part of the frame 1, and a solenoid valve 10 is installed at the lower part of the collecting hopper 9;

[0026] The weighing structure includes a pressure sensor 16, a receiving tray 17 and a limit ring 18. A group of pressure sensors 16 are respectively installed on the lower bottom surface of the two groups of collecting hoppers 9. A limit ring 18 is arranged on the lower end surface of the receiving tray 17. The receiving tray 17 is placed on the pressure sensor 16.

[0027] The inspection structure includes a rotating shaft 12, a baffle 13, an observation window 14 and a magnet 15. A group of inspection ports are respectively arranged on the side of the frame 1 corresponding to the positions of the large-diameter mesh screen 3 and the small-diameter mesh screen 4. The upper part of the inspection port is connected to the baffle 13 through the rotating shaft 12. The observation window 14 is installed on the baffle 13. The lower part of the baffle 13 is installed with a magnet 15.

[0028] The masterbatch is screened at multiple levels through the screening device. The inspection structure allows operators to observe and maintain the internal operation of the screening device. The weighing structure enables the equipment to control the single discharge volume, which is convenient for packaging or direct use of materials and improves the practicability of the device.

[0029] The electromagnetic valve 10, the drive motor 5 and the vibration motor 11 of the multi-stage screening device for masterbatch specially used for film blowing of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A multi-stage screening device for masterbatch for film blowing; characterized in that: The invention comprises a screening device, an inspection structure and a weighing structure, wherein the inspection structure is mounted on the screening device, and the weighing structure is mounted on the screening device; the screening device comprises a frame (1), a screening tube (2), a large-diameter mesh screen (3), a small-diameter mesh screen (4), a driving motor (5) and a feeding screw (6); the driving motor (5) is mounted on the rear end surface of the frame (1), a screening tube (2) is arranged inside the frame (1), the feeding screw (6) is mounted inside the screening tube (2), the output end of the driving motor (5) passes through the frame (1) and is connected to the feeding screw (6), and the large-diameter mesh screen (3) and the small-diameter mesh screen (4) are respectively mounted on the front and rear of the lower part of the screening tube (2); the inspection structure comprises a rotating shaft (12), a baffle plate (13), an observation window (14) and a magnet (15); a group of inspection ports are respectively arranged on the side of the frame (1) at positions corresponding to the large-diameter mesh screen (3) and the small-diameter mesh screen (4); the upper part of the inspection port is connected to a baffle (13) through a rotating shaft (12); the baffle (13) is equipped with an observation window (14); and the lower part of the baffle (13) is equipped with a magnet (15); the weighing structure comprises a pressure sensor (16), a receiving tray (17) and a limit ring (18); a group of pressure sensors (16) are respectively arranged on the lower bottom surface of the two groups of collecting hoppers (9); a limit ring (18) is arranged on the lower end surface of the receiving tray (17); and the receiving tray (17) is placed on the pressure sensor (16).

2. A multi-stage screening device for masterbatch for film blowing as claimed in claim 1, characterized in that: It also includes a feed hopper (7) and a magnet frame (8). The feed hopper (7) is installed at the rear of the upper end surface of the frame (1), and the magnet frame (8) is arranged in the feed hopper (7).

3. A multi-stage screening device for masterbatch for film blowing as claimed in claim 1, characterized in that: It also includes a collecting hopper (9) and a solenoid valve (10). A group of collecting hoppers (9) are respectively installed at the positions of the small-diameter mesh screen (4) and the large-diameter mesh screen (3) at the lower part of the frame (1), and a solenoid valve (10) is installed at the lower part of the collecting hopper (9).

4. A multi-stage screening device for masterbatch for film blowing as claimed in claim 1, characterized in that: It also includes a vibration motor (11), and the vibration motor (11) is installed on the side of the frame (1).

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