Rotary vibration screening device

Abstract

The utility model provides a rotary vibration screening device which comprises an isolator and a screening machine. The screening machine comprises a screening cylinder and a rotary vibration assembly, a mounting hole is formed in a bottom plate of the isolator, one end of the screening cylinder penetrates through the mounting hole and is arranged in the isolator in a sealed mode, and the other end of the screening cylinder is connected with the rotary vibration assembly. The cleaning degree in the screening process can be guaranteed, and independent cleaning and off-line high-temperature sterilization of the screening cylinder can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary vibration screening, in particular to a rotary vibration screening device. Background Art

[0002] In recent years, before the powder packaging of peptide drug-loaded microspheres at the end of the preparation process, the dried standard particle size materials must be screened and collected in the isolator. The method commonly used in the market is: according to the size of the clean cavity of the isolator, a reasonably priced rotary vibrating screening machine is purchased, the vibration and motor parts are removed, and then the screen part is assembled separately and an ultrasonic vibrator is added. The dried drug-loaded microsphere powder particles are screened together in the isolator. In this way, it is difficult to ensure the sterility of the screened drug-loaded microsphere powder particles, and the cost is relatively high, it is difficult to operate, and it does not meet the GMP standards.

[0003] The utility model with the publication number CN210497204U discloses a material return device for improving the screening accuracy of a rotary vibrating screen, comprising a mesh, a second baffle is arranged on the top of the mesh, a second annular support frame is connected to one side of the second baffle, and the second baffle is evenly distributed with respect to the inner wall of the second support frame, the outer wall of the second support frame is connected to one end of a support rib, the other end of the support rib is connected to the inner wall of a cylinder, the inner wall of the second support frame is connected to the outer wall of the first support frame through a connecting rib, the first baffle is evenly distributed on the inner wall of the first support frame, the positions of the first baffle and the second baffle are staggered, a top cover is arranged on the top of the cylinder, a feed port is arranged in the middle of the top cover, and the position of the feed port corresponds to the position of the first support frame. However, the above-mentioned material return device cannot block the pollution source generated by the vibration motor, and the screening process is susceptible to pollution. Utility Model Content

[0004] The utility model aims to solve the defects in the prior art and provide a rotary vibration screening device to ensure the cleanliness of the screening process and to perform separate cleaning and off-line high-temperature sterilization of the screening cylinder.

[0005] To achieve the above-mentioned purpose, the utility model provides a rotary vibration screening device, including an isolator and a screening machine;

[0006] The screening machine comprises a screening drum and a rotary vibration assembly. A mounting hole is arranged on the bottom plate of the isolator. One end of the screening drum passes through the mounting hole and is sealed in the isolator, and the other end is connected to the rotary vibration assembly.

[0007] Specifically, an installation hole for installing a screening cylinder is opened on the bottom surface of the isolator. The screening cylinder is installed in the isolator according to the size of the installation hole, and the rotary vibration assembly is installed in the base area of ​​the isolator. The purpose of this is mainly to block the pollution source generated by the rotary vibration assembly during the operation of the screening cylinder. The screening cylinder is isolated from the rotary vibration assembly. The screening cylinder is located in the clean space of the isolator to ensure the cleanliness of the screening process, and can be cleaned separately and sterilized at high temperature offline.

[0008] Optionally, a connecting plate is provided on the screening cylinder, and the connecting plate is flexibly connected to the mounting hole via a sealing gasket to ensure that the vibration of the screening machine during operation will not cause the isolator to vibrate together.

[0009] Optionally, a first screen and a material guide plate are provided in the screening cylinder, and the first screen is located above the material guide plate.

[0010] A material guide plate is provided in the screening cylinder, which can isolate the screening area above the material guide plate from the rotary vibration component inside the screening cylinder while guiding the material.

[0011] Optionally, a top cover is provided at the top of the screening cylinder, and a feed port is provided on the top cover.

[0012] Optionally, the sides of the screening cylinder are respectively provided with a first discharge port and a third discharge port, and the positions and heights of the first discharge port and the third discharge port respectively correspond to the positions and heights of the first screen and the guide plate.

[0013] Optionally, the rotary vibration assembly includes a rotary vibration motor arranged at the bottom of the screening machine, and the rotary vibration motor is connected to the bottom end of the screening drum through a spring.

[0014] Beneficial effects:

[0015] The utility model comprises an isolator and a screening machine; the screening machine comprises a screening drum and a rotary vibration component, a mounting hole is arranged on a bottom plate of the isolator, one end of the screening drum passes through the mounting hole and is sealed in the isolator, and the other end is connected to the rotary vibration component.

[0016] The bottom surface of the isolator is provided with a mounting hole for installing the screening cylinder. The screening cylinder is installed in the isolator according to the size of the mounting hole. The rotary vibration assembly is installed in the base area of ​​the isolator to block the pollution source generated by the rotary vibration assembly during the operation of the screening cylinder. The screening cylinder is isolated from the rotary vibration assembly. The screening cylinder is located in the clean space of the isolator and can be cleaned separately and sterilized at high temperature offline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a structural diagram of the rotary vibration screening device disclosed in the utility model;

[0019] Figure 2 The utility model discloses a structural diagram of a screening drum and a rotary vibration assembly in a rotary vibration screening device.

[0020] Figure numerals: 1 isolator; 2 screening cylinder; 21 top cover; 22 feed port; 23 first screen; 24 first discharge port; 25 second screen; 26 second discharge port; 27 guide plate; 28 third discharge port; 29 connecting plate; 3 rotary vibration assembly; 31 rotary vibration motor; 32 spring; 4 drug-loaded microsphere powder barrel.

[0021] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model based on the specific content of the technical solution.

[0024] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0025] See also Figure 1 and 2 , a rotary vibration screening device according to an embodiment of the utility model comprises an isolator 1 and a screening machine;

[0026] The screening machine includes a screening drum 2 and a rotary vibration assembly 3. A mounting hole is provided on the bottom plate of the isolator 1. One end of the screening drum 2 passes through the mounting hole and is sealed in the isolator 1, and the other end is connected to the rotary vibration assembly 3.

[0027] Specifically, an installation hole for installing the screening drum 2 is opened on the bottom surface of the isolator 1. The screening drum 2 is installed in the isolator 1 according to the opening size of the installation hole, and the rotary vibration component 3 is installed in the base area of ​​the isolator 1. The purpose of this is mainly to block the pollution source generated by the rotary vibration component 3 during the operation of the screening drum 2. The screening drum 2 is isolated from the rotary vibration component 3. The screening drum 2 is located in the clean space of the isolator 1 and can be cleaned separately and sterilized offline at high temperature.

[0028] See also Figure 2 In some embodiments of the utility model, a connecting plate 29 is provided on the screening drum 2, and the connecting plate 29 is flexibly connected to the mounting hole through a sealing gasket to ensure that the vibration of the screening machine during operation will not drive the isolator 1 to vibrate together.

[0029] See also Figure 2 In some embodiments of the present invention, a first screen 23 and a material guide plate 27 are provided in the screening cylinder 2 , and the first screen 23 is located above the material guide plate 27 .

[0030] A material guide plate 27 is provided in the screening drum 2. While guiding the material, the screening area above the material guide plate 27 can be isolated from the rotary vibration assembly 3 inside the screening drum 2. The screening drum 2 is non-standard customized and heightened to facilitate the installation of a standard particle size collecting barrel.

[0031] See also Figure 2 In some embodiments of the present invention, a top cover 21 is provided on the top of the screening drum 2 , and a feed port 22 is provided on the top cover 21 .

[0032] In the isolator 1, according to the height of the sieving machine, a support is welded on the side of the isolator 1 to install the drug-loaded microsphere powder barrel 4 to be sieved, and the outlet of the drug-loaded microsphere powder barrel 4 is connected to the feed port 22 of the sieving machine by a soft connection mechanism. The sterility of the drug-loaded microsphere powder 4 in the sieving process in the isolator 1 is ensured, and the operability of the operation process is ensured. The drug-loaded powder microspheres finally sieved meet the GMP standards, and there is no need to introduce other vibration sources, saving costs.

[0033] See also Figure 2In some embodiments of the utility model, the side of the screening drum 2 is respectively provided with a first discharge port 24 and a third discharge port 28, and the position heights of the first discharge port 24 and the third discharge port 28 correspond to the position heights of the first screen 23 and the guide plate 27, respectively.

[0034] In this embodiment, the guide plate 27 is also provided with a first sieve 23, a second sieve 25 and a second discharge port 26, and the position heights of the first discharge port 24, the second discharge port 26 and the third discharge port 28 correspond to the position heights of the first sieve 23, the second sieve 25 and the guide plate 27 respectively.

[0035] See also Figure 2 In some embodiments of the present invention, the rotary vibration assembly 3 includes a rotary vibration motor 31 arranged at the bottom of the screening machine, and the rotary vibration motor 31 is connected to the bottom end of the screening drum 2 through a spring 32.

[0036] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A rotary vibration screening device, characterized in that: It comprises an isolator (1) and a screening machine; The screening machine comprises a screening drum (2) and a rotary vibration assembly (3); a mounting hole is provided on the bottom plate of the isolator (1); one end of the screening drum (2) passes through the mounting hole and is sealed in the isolator (1); the other end is connected to the rotary vibration assembly (3).

2. The rotary vibration screening device according to claim 1, characterized in that: The screening cylinder (2) is provided with a connecting plate (29), and the connecting plate (29) is flexibly connected to the mounting hole via a sealing gasket.

3. The rotary vibration screening device according to claim 1, characterized in that: A first screen (23) and a material guide plate (27) are provided in the screening cylinder (2), wherein the first screen (23) is located above the material guide plate (27).

4. The rotary vibration screening device according to claim 3, characterized in that: The side edges of the screening drum (2) are respectively provided with a first discharge port (24) and a third discharge port (28), and the positions and heights of the first discharge port (24) and the third discharge port (28) respectively correspond to the positions and heights of the first screen (23) and the guide plate (27).

5. The rotary vibration screening device according to claim 1, characterized in that: A top cover (21) is provided at the top of the screening cylinder (2), and a feed port (22) is provided on the top cover (21).

6. The rotary vibration screening device according to claim 1, characterized in that: The rotary vibration assembly (3) comprises a rotary vibration motor (31) arranged at the bottom of the screening machine, and the rotary vibration motor (31) is connected to the bottom end of the screening drum (2) via a spring (32).

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