Automatic raisin grading device

Abstract

The utility model discloses an automatic raisin grading device which comprises a positioning frame, the positioning frame is used for supporting and positioning the automatic raisin grading device, an automatic grading mechanism is fixedly arranged on the inner wall of the positioning frame, and a feeding mechanism is fixedly arranged at the top end of the positioning frame. The feeding mechanism comprises a fixed frame and two movable frames, and limiting frames are fixedly arranged at the two ends of the top of the fixed frame; the output end of a first motor fixed to the top end of a limiting frame drives a positioning gear to rotate, a positioning rack drives an auxiliary frame and a movable frame to move in a reciprocating mode, and caked raisins can be conveniently separated through guiding of a guiding base at the bottom end of the movable frame and auxiliary rubbing of a positioning brush; and when the auxiliary frame moves, the contact face is not smaller than half of the area of the auxiliary frame all the time, gaps generated in the moving frame are avoided, the raisins are fully rubbed, and the practicability of the automatic raisin grading device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic raisin grading, in particular to an automatic raisin grading device. Background Art

[0002] Raisins are a food made by dehydrating grapes with the help of solar heat or artificial heating. They are high in sugar and are a typical high-energy nutritional product. Raisins have a low water content and are easy to transport and store. The most important dried grapes around the world are the green seedless grape variety Seedless White. Other dried varieties include White Rose and Black Corinth.

[0003] In the prior art, the automatic grading device for raisins is usually used for grading through multi-stage vibration screening. Since raisins are prone to stacking and sticking when being fed, it is easy for agglomeration to lead to insufficient screening during vibration screening, and cause more errors, which reduces the practicality of the automatic grading device for raisins. Therefore, an automatic grading device for raisins is needed. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide an automatic raisin grading device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model proposes an automatic grading device for raisins, comprising a positioning frame, the positioning frame is used to support and position the automatic grading device for raisins, the inner wall of the positioning frame is fixedly provided with an automatic grading mechanism, and the top of the positioning frame is fixedly provided with a feeding mechanism;

[0006] The feeding mechanism includes a fixed frame and two movable frames, both ends of the top of the fixed frame are fixedly provided with limit frames, one end of the bottom of the two limit frames is rotatably provided with a positioning gear, both ends of the outer walls of the two positioning gears are meshed with positioning racks, the bottom end of one side of the two movable frames is fixedly provided with a guide seat, one side of the two guide seats is fixedly provided with a positioning brush, both ends of the two movable frames are fixedly provided with auxiliary frames, one side of the four auxiliary frames are in contact with each other, the top ends of the four auxiliary frames are respectively fixedly connected to the bottom ends of the four positioning racks, the top ends of the two limit frames are fixedly provided with a first motor, and the output ends of the two first motors are respectively fixedly connected to the middle positions of the two positioning gears.

[0007] In one example, the feeding mechanism also includes two positioning shafts, both ends of the outer walls of the two positioning shafts are fixed with positioning bars, both of the two positioning shafts are slidably provided with auxiliary roller brushes through the positioning bars, both ends of the two auxiliary roller brushes are rotatably provided with positioning blocks, and the top ends of the four positioning blocks are fixedly connected to one side of the bottom of the four auxiliary frames respectively.

[0008] In one example, fixed gears are fixed at both ends of the two positioning shafts, one side of the four fixed gears are rotatably connected to both sides of the inner wall of the fixed frame, a second motor is fixed at one end of one side of the fixed frame, and the output end of the second motor is fixedly connected to one side of one of the fixed gears.

[0009] In one example, tooth surfaces of the four fixed gears mesh with each other.

[0010] In one example, one sides of the two auxiliary roller brushes are in contact with each other.

[0011] In one example, the automatic grading mechanism includes a plurality of sub-screening frames, the plurality of sub-screening frames are adjacently connected, and a guide frame is fixedly disposed at one end of the plurality of sub-screening frames.

[0012] In one example, a switch panel is fixedly provided on one side of the positioning frame, and the first motor and the second motor are both electrically connected to an external power supply through the switch panel.

[0013] The automatic raisin grading device proposed by the utility model can bring the following beneficial effects:

[0014] 1. The automatic raisin grading device drives the positioning gear to rotate through the output end of the first motor fixed on the top of the limit frame, and the positioning rack drives the auxiliary frame and the mobile frame to move back and forth. Through the guidance of the guide seat at the bottom of the mobile frame and the auxiliary rubbing of the positioning brush, the agglomerated raisins are conveniently separated to avoid the hidden danger of screening agglomeration. When the auxiliary frame moves, the contact surface will never be less than half of its own area to avoid gaps inside the mobile frame, so that the raisins are fully rubbed, thereby increasing the practicality of the automatic raisin grading device.

[0015] 2. The automatic raisin grading device drives one of the fixed gears to rotate through the output end of the second motor fixed on one side of the fixed frame, so that the positioning shaft drives the two auxiliary roller brushes to rotate in mesh with each other through the positioning of the positioning bar, and the auxiliary frame drives the auxiliary roller brushes to reciprocate along the positioning shaft. The auxiliary roller brushes perform reciprocating and guiding kneading, avoiding the hidden danger of clogging the feeding mechanism, thereby increasing the convenience of use of the automatic raisin grading device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the feeding mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the feeding mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the driving structure of the feeding mechanism of the utility model.

[0021] In the figure: 1. positioning frame; 2. screening frame; 3. guide frame; 4. fixed frame; 5. positioning block; 6. moving frame; 7. positioning rack; 8. auxiliary frame; 9. guide seat; 10. positioning brush; 11. fixed gear; 12. positioning shaft; 13. positioning strip; 14. auxiliary roller brush; 15. second motor; 16. limit frame; 17. positioning gear; 18. first motor. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The embodiments are as follows. The utility model provides Figure 1-4 The automatic raisin grading device shown comprises a positioning frame 1, which is used to support and position the automatic raisin grading device. An automatic grading mechanism is fixedly arranged on the inner wall of the positioning frame 1, and a feeding mechanism is fixedly arranged on the top of the positioning frame 1.

[0025] The feeding mechanism includes a fixed frame 4 and two mobile frames 6. Both ends of the top of the fixed frame 4 are fixed with limit frames 16. One end of the bottom of the two limit frames 16 is rotatably provided with a positioning gear 17. Both ends of the outer walls of the two positioning gears 17 are meshed with positioning racks 7. The bottom end of one side of the two mobile frames 6 is fixed with a guide seat 9. One side of the two guide seats 9 is fixed with a positioning brush 10. Both ends of the two mobile frames 6 are fixed with auxiliary frames 8. One side of the four auxiliary frames 8 is in contact with each other in pairs. The tops of the four auxiliary frames 8 are respectively fixedly connected to the bottom ends of the four positioning racks 7. The tops of the two limit frames 16 are fixed with first motors 18. The output ends of the two first motors 18 are respectively fixedly connected to the middle positions of the two positioning gears 17. The staff will The raisins to be screened are transported to the top of the feeding mechanism through an external conveying device, and the positioning gear 17 is driven to rotate by the output end of the first motor 18 fixed on the top of the limiting frame 16, so that the two sides of the tooth surface of the positioning gear 17 are respectively meshed with the positioning rack 7 fixed on the top of the four auxiliary frames 8, so that the positioning rack 7 drives the auxiliary frames 8 and the mobile frame 6 to move back and forth, and the agglomerated raisins are conveniently separated by the guidance of the guide seat 9 at the bottom end of the mobile frame 6 and the auxiliary kneading of the positioning brush 10, so as to avoid the hidden danger of screening agglomeration. When the auxiliary frame 8 moves, the contact surface will never be less than half of its own area, so as to avoid the formation of gaps inside the mobile frame 6, so that the raisins are fully kneaded, thereby increasing the practicality of the automatic raisin grading device.

[0026] The feeding mechanism also includes two positioning shafts 12, both ends of the outer walls of the two positioning shafts 12 are fixed with positioning bars 13, the two positioning shafts 12 are slidably provided with auxiliary roller brushes 14 through the positioning bars 13, and both ends of the two auxiliary roller brushes 14 are rotatably provided with positioning blocks 5, the top ends of the four positioning blocks 5 are respectively fixedly connected to one side of the bottom of the four auxiliary frames 8, and the output end of the second motor 15 fixed on one side of the fixed frame 4 drives one of the fixed gears 11 to rotate, and the tooth surfaces of the four fixed gears 11 are meshed in pairs, and through the linkage of the positioning shaft 12 and the positioning bar 13, the positioning shaft 12 drives the two auxiliary roller brushes 14 to rotate in opposite directions through the positioning of the positioning bar 13, and the positioning blocks 5 on both sides of the auxiliary roller brush 14 are connected to the auxiliary frame 8 by rotating, so that the auxiliary frame 8 drives the auxiliary roller brush 14 to reciprocate along the positioning shaft 12, and the auxiliary roller brush 14 performs reciprocating and guiding kneading, thereby avoiding the hidden danger of clogging of the feeding mechanism and increasing the convenience of use of the automatic raisin grading device.

[0027] Fixed gears 11 are fixedly provided at both ends of the two positioning shafts 12, one side of the four fixed gears 11 are rotatably connected to the two sides of the inner wall of the fixed frame 4, a second motor 15 is fixedly provided at one end of one side of the fixed frame 4, the output end of the second motor 15 is fixedly connected to one side of one of the fixed gears 11, and the tooth surfaces of the four fixed gears 11 are meshed with each other.

[0028] One sides of the two auxiliary roller brushes 14 are in contact with each other.

[0029] Furthermore, the automatic grading mechanism comprises a plurality of sub-screening frames 2 , the plurality of sub-screening frames 2 are adjacently connected, and a guide frame 3 is fixedly disposed at one end of the plurality of sub-screening frames 2 .

[0030] Furthermore, a switch panel is fixedly provided on one side of the positioning frame 1, and the first motor 18 and the second motor 15 are both electrically connected to an external power source through the switch panel.

[0031] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. Automatic grading device for raisins, comprising: A positioning frame (1), the positioning frame (1) is used for supporting and positioning the raisin automatic grading device, an automatic grading mechanism is fixedly arranged on the inner wall of the positioning frame (1), and a loading mechanism is fixedly arranged on the top of the positioning frame (1); The feeding mechanism comprises a fixed frame (4) and two movable frames (6), both ends of the top of the fixed frame (4) are fixedly provided with a limit frame (16), one end of the bottom of the two limit frames (16) is rotatably provided with a positioning gear (17), both ends of the outer wall of the two positioning gears (17) are meshed with a positioning rack (7), the bottom end of one side of the two movable frames (6) is fixedly provided with a guide seat (9), one side of the two guide seats (9) is fixedly provided with a positioning brush (10), both ends of the two movable frames (6) are fixedly provided with an auxiliary frame (8), one side of the four auxiliary frames (8) are in contact with each other, the top ends of the four auxiliary frames (8) are respectively fixedly connected to the bottom ends of the four positioning racks (7), the top ends of the two limit frames (16) are fixedly provided with a first motor (18), and the output ends of the two first motors (18) are respectively fixedly connected to the middle positions of the two positioning gears (17).

2. The automatic raisin grading device according to claim 1, characterized in that: The feeding mechanism further comprises two positioning shafts (12), both ends of the outer walls of the two positioning shafts (12) are fixedly provided with positioning strips (13), both the positioning shafts (12) are slidably provided with auxiliary roller brushes (14) through the positioning strips (13), both ends of the two auxiliary roller brushes (14) are rotatably provided with positioning blocks (5), and the top ends of the four positioning blocks (5) are respectively fixedly connected to one side of the bottom of the four auxiliary frames (8).

3. The automatic raisin grading device according to claim 2, characterized in that: Both ends of the two positioning shafts (12) are fixedly provided with fixed gears (11), one side of the four fixed gears (11) is rotatably connected to both sides of the inner wall of the fixed frame (4), one end of one side of the fixed frame (4) is fixedly provided with a second motor (15), and the output end of the second motor (15) is fixedly connected to one side of one of the fixed gears (11).

4. The automatic raisin grading device according to claim 3 is characterized in that: The tooth surfaces of the four fixed gears (11) mesh with each other.

5. The automatic raisin grading device according to claim 2, characterized in that: One sides of the two auxiliary roller brushes (14) are in contact with each other.

6. The automatic raisin grading device according to claim 1, characterized in that: The automatic grading mechanism comprises a plurality of screening frames (2), the plurality of screening frames (2) being adjacently connected, and a guide frame (3) being fixedly disposed at one end of the plurality of screening frames (2).

7. The automatic raisin grading device according to claim 3, characterized in that: A switch panel is fixedly provided on one side of the positioning frame (1), and the first motor (18) and the second motor (15) are both electrically connected to an external power source via the switch panel.

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