Screening device for freeze-dried fruit production

Abstract

The freeze-dried fruit production screening device comprises a machine frame and a screening frame, a first screen and a second screen are arranged in the screening frame, the upper portion of the screening frame is of an open structure, a discharging pipe is arranged at the bottom of the screening frame, a transverse plate is installed on the upper wall of the machine frame through a linkage assembly, and the transverse plate is connected with the first screen and the second screen. The freeze-dried fruit screening device relates to the technical field of freeze-dried fruit production and is compact in structure, multi-stage screening can be achieved by arranging the first screen and the second screen in the screening frame, due to the arrangement of the vibration assembly, the screening effect is good, and the screening effect is good. And meanwhile, the driving motor drives the main rotating disc and the eccentrically-arranged driving shaft to rotate, the transverse plate can drive the screening frame above the transverse plate to horizontally rotate in cooperation with the linkage assembly, and therefore materials are more dispersed, the screening effect is further improved, and convenience is brought to use of people.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze-dried fruit production, in particular to a freeze-dried fruit production screening device. Background Art

[0002] Freeze-dried fruit uses the vacuum freeze-drying method of a freeze dryer to freeze the moisture in the fruit in advance, and then sublimates the frozen moisture in the fruit in a vacuum environment to obtain freeze-dried fruit.

[0003] In order to facilitate the subsequent packaging work during the production process, freeze-dried fruits need to be screened. The Chinese patent with publication number CN219880541U discloses a fruit screening device, including a screening shell, a vibration motor is fixedly arranged on the side wall of the screening shell, a feed port is opened on the top of the screening shell, a plurality of inclined screen plates are fixed in sequence from top to bottom inside the screening shell, a discharge port is opened on the side wall of the screening shell near the lower end of each screen plate, a material receiving box is detachably arranged on the other side of the discharge port, a blower is also connected to the screening shell, screen holes are opened on the screen plate, and a buffer elbow is arranged between two adjacent screen plates.

[0004] The device can screen materials through a vibration motor and a screen plate. However, during the screening process, when a large amount of material is placed onto the screen plate, the material may not be fully dispersed, thereby affecting the screening effect and being inconvenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a freeze-dried fruit production screening device, which solves the problem of poor screening effect caused by uneven dispersion of a large amount of materials input into the prior screening device.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a freeze-dried fruit production screening device, comprising a frame and a screening frame, wherein a first screen and a second screen are respectively arranged in the screening frame, the top of the screening frame is an open structure, and a discharge pipe is arranged at the bottom, a horizontal plate is installed on the upper wall of the frame through a linkage assembly, a vibration assembly is arranged between the horizontal plate and the screening frame, an opening is opened at the center of the frame, a mounting seat is arranged at the bottom of the frame, a driving motor is arranged on the mounting seat, a main turntable is installed at the driving end of the driving motor, a driving shaft is arranged at an eccentric position on the upper wall of the main turntable, the upper end of the driving shaft passes through the opening and is rotatably connected to the lower wall of the horizontal plate.

[0007] Preferably, the linkage assembly includes a rotating shaft rotatably mounted at the four corners of the upper wall of the frame, a secondary turntable is fixedly mounted on the upper end of the rotating shaft, and a driven shaft rotatably connected to the lower wall of the transverse plate is provided at an eccentric position of the secondary turntable.

[0008] Preferably, the vibration assembly comprises a bracket arranged on the upper wall of the screening frame, the bracket is provided with a vibration motor, and the cross plate and the screening frame are connected by a plurality of spring telescopic rods.

[0009] Preferably, the side walls of the screening frame are provided with discharge ports for use by the first screen and the second screen respectively.

[0010] Preferably, a discharge port is provided on the transverse plate and below the discharge pipe.

[0011] Preferably, the diameter of the main turntable is the same as that of the auxiliary turntable.

[0012] Beneficial Effects

[0013] The utility model discloses a freeze-dried fruit production screening device, which has the following beneficial effects: the device has a compact structure, and multi-stage screening can be achieved by arranging a first screen and a second screen in a screening frame. The setting of a vibration component can enable the screening frame to drive the internal screen to vibrate quickly up and down, thereby improving the screening effect. At the same time, a driving motor drives the main turntable and an eccentrically arranged driving shaft to rotate, and the linkage component can be used to enable the cross plate to drive the screening frame above it to rotate horizontally, thereby making the material more dispersed, further improving the screening effect, and bringing convenience to people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model from above.

[0016] In the figure: 1. frame; 2. screening frame; 3. first screen; 4. second screen; 5. discharge pipe; 6. cross plate; 7. opening; 8. driving motor; 9. main turntable; 10. driving shaft; 11. rotating shaft; 12. auxiliary turntable; 13. driven shaft; 14. bracket; 15. vibration motor; 16. spring telescopic rod; 17. discharge port; 18. discharge port. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] See also Figure 1-2The utility model provides a technical solution: a freeze-dried fruit production screening device, comprising a frame 1 and a screening frame 2, wherein the screening frame 2 is respectively provided with a first screen 3 and a second screen 4, the top of the screening frame 2 is an open structure, and a discharge pipe 5 is provided at the bottom, a horizontal plate 6 is installed on the upper wall of the frame 1 through a linkage component, a vibration component is provided between the horizontal plate 6 and the screening frame 2, an opening 7 is opened at the center of the frame 1, a mounting seat is provided at the bottom of the frame 1, a driving motor 8 is provided on the mounting seat, a main turntable 9 is installed at the driving end of the driving motor 8, a driving shaft 10 is provided at an eccentric position on the upper wall of the main turntable 9, and the upper end of the driving shaft 10 passes through the opening 7 and is rotatably connected to the lower wall of the horizontal plate 6.

[0019] By adopting the above technical solution, the material is put into the screening frame, the large particles roll down along the first screen, the small and medium particles pass through the first screen and fall onto the second screen, the medium particles roll down along the second screen, and the small particles pass through the second screen and are discharged from the discharge pipe, thereby realizing the screening of the material. During the screening process, in order to improve the screening accuracy, the driving motor can be started to drive the main turntable to rotate, and the eccentrically arranged driving shaft on it rotates with the main turntable, and drives the cross plate and the screening frame to rotate horizontally in a circular manner, so that the material in the screening frame is more dispersed due to the rotation. In combination with the vibration component, the screening effect and screening efficiency can be effectively improved.

[0020] This embodiment is further configured such that the linkage assembly includes a rotating shaft 11 rotatably mounted at the four corners of the upper wall of the frame 1, a secondary turntable 12 is fixedly mounted on the upper end of the rotating shaft, and a driven shaft 13 rotatably connected to the lower wall of the cross plate 6 is provided at an eccentric position of the secondary turntable 12.

[0021] By adopting the above technical solution, when the horizontal plate moves with the driving shaft, the driven shafts arranged at the four corners of its bottom will drive the auxiliary turntable and the rotating shaft to rotate synchronously, which can improve the stability of the rotation of the horizontal plate.

[0022] This embodiment is further configured such that the vibration assembly includes a bracket 14 arranged on the upper wall of the screening frame 2 , a vibration motor 15 is arranged on the bracket 14 , and the cross plate 6 is connected to the screening frame 2 via a plurality of spring telescopic rods 16 .

[0023] By adopting the above technical solution, the vibration motor cooperates with the spring telescopic rod to drive the bracket and the screening frame to vibrate, and cooperates with the screen to screen the material.

[0024] The present embodiment is further configured such that the side walls of the screening frame 2 are respectively provided with discharge ports 17 for use by the first screen 3 and the second screen 4 .

[0025] By adopting the above technical solution, the setting of the discharge port can facilitate the separate transportation of materials of different sizes.

[0026] This embodiment is further configured such that a discharge port 18 is provided on the transverse plate 6 and below the discharge pipe 5 .

[0027] By adopting the above technical solution, the material falling from the discharge pipe can be discharged through the discharge port and the opening.

[0028] In this embodiment, it is further configured that the diameters of the main turntable 9 and the auxiliary turntable 12 are the same.

[0029] By adopting the above technical solution, the diameters of the main turntable 9 and the auxiliary turntable 12 are the same, which can ensure that the cross plate can move normally with the driving shaft.

[0030] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process.

[0031] Embodiment: When working, the material is put into the screening frame 2. The vibration motor 15 cooperates with the spring telescopic rod 16 to drive the bracket 14 and the screening frame 2 to vibrate, and cooperates with the screen to screen the material. The driving motor 8 drives the main turntable 9 to rotate, and the eccentrically arranged driving shaft 10 thereon rotates with the main turntable 9, and drives the cross plate 6 and the screening frame 2 to rotate horizontally in an annular manner, so that the material in the screening frame 2 is more dispersed due to the rotation, large particles roll down along the first screen 3, and small and medium particles pass through the first screen 3 and fall onto the second screen 4, and the medium particles roll down along the second screen 4, and the small particles pass through the second screen 4 and are discharged from the discharge pipe 5, so as to realize the screening of the material.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A freeze-dried fruit production screening device, comprising a frame (1) and a screening frame (2), wherein a first screen (3) and a second screen (4) are respectively arranged in the screening frame (2), characterized in that: The top of the screening frame (2) is an open structure, and a discharge pipe (5) is provided at the bottom. A transverse plate (6) is installed on the upper wall of the frame (1) through a linkage assembly. A vibration assembly is provided between the transverse plate (6) and the screening frame (2). An opening (7) is provided at the center of the frame (1). A mounting seat is provided at the bottom of the frame (1). A driving motor (8) is provided on the mounting seat. A main turntable (9) is installed at the driving end of the driving motor (8). A driving shaft (10) is provided at an eccentric position on the upper wall of the main turntable (9). The upper end of the driving shaft (10) passes through the opening (7) and is rotatably connected to the lower wall of the transverse plate (6).

2. A freeze-dried fruit production screening device according to claim 1, characterized in that: The linkage assembly comprises a rotating shaft (11) rotatably mounted at the four corners of the upper wall of the frame (1), a secondary rotating disk (12) being fixedly mounted on the upper end of the rotating shaft (11), and a driven shaft (13) rotatably connected to the lower wall of the transverse plate (6) being provided at an eccentric position of the secondary rotating disk (12).

3. A freeze-dried fruit production screening device according to claim 1, characterized in that: The vibration assembly comprises a bracket (14) arranged on the upper wall of the screening frame (2), a vibration motor (15) is arranged on the bracket (14), and the transverse plate (6) and the screening frame (2) are connected via a plurality of spring telescopic rods (16).

4. A freeze-dried fruit production screening device according to claim 1, characterized in that: The side walls of the screening frame (2) are respectively provided with discharge ports (17) for use by the first screen (3) and the second screen (4).

5. A freeze-dried fruit production screening device according to claim 1, characterized in that: A discharge port (18) is provided on the transverse plate (6) and below the discharge pipe (5).

6. A freeze-dried fruit production screening device according to claim 2, characterized in that: The main turntable (9) and the auxiliary turntable (12) have the same diameter.

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