Dry longan rolling screening machine

Abstract

The utility model relates to a dry longan rolling screening machine which comprises a first fixing bottom plate and a second fixing bottom plate. A screening assembly is arranged on the top of the second fixing bottom plate, the first fixing bottom plate is located below the second fixing bottom plate, and an adjusting assembly is arranged between the first fixing bottom plate and the second fixing bottom plate. The screening assembly comprises three sets of limiting sleeves which are sequentially arranged from left to right, a first screening barrel is rotationally connected into the limiting sleeve at the left end, a second screening barrel is rotationally connected into the limiting sleeve in the middle, and a third screening barrel is rotationally connected into the limiting sleeve at the left end. The distance between any two adjacent material guide rods in the three screening barrels is the maximum distance between the first screening barrel and the minimum distance between any two adjacent material guide rods in the three screening barrels; the purposes of adding and rolling screening of the dried longan raw materials are achieved, the use convenience of the device is improved, the material screening efficiency is improved, materials are discharged in a grading mode according to the sizes of the materials, the working pressure of workers is relieved, and the use experience of the device is optimized.

Description

Technical Field

[0001] The utility model belongs to the technical field of longan processing equipment, and specifically relates to a rolling screening machine for dried longans. Background Art

[0002] The utility model with publication number CN212524818U relates to the technical field of screening devices, and discloses a screening device for processing longan, comprising a box, the top surface of the box is fixedly connected with a motor seat, the top surface of the motor seat is fixedly installed with a motor, the output shaft of the motor is fixedly connected with a rotating shaft, the interior of the box is fixedly sleeved with an upper filter plate and a lower filter plate from top to bottom, the lower end of the rotating shaft passes through the top surface of the box and extends to the interior of the box, and the rotating shaft is fixedly sleeved with the upper filter plate and the lower filter plate. The screening device for processing longan is fixedly connected with an upper scraper plate and a lower scraper plate on the outer surface of the rotating shaft, and the upper scraper plate and the lower scraper plate are respectively located above the upper filter plate and the lower filter plate, and the bottom surface of the filter plate is kept in contact with the top surface of the scraper plate. When the broken longan shells are stuck in the sieve holes, the rotating rotating shaft drives the upper scraper plate and the lower scraper plate to rotate, and scrapes off the broken shells stuck in the sieve holes.

[0003] However, the above patent still has the following problems: during the longan screening process, longans of different sizes cannot be graded and screened, and the longans after cleaning the broken shells need to be graded and screened manually, which increases the workload of the workers. The use of the device has limitations. When screening the longans, the inclination angle of the device cannot be changed. Some longans will be left inside the device and need to be taken out manually, which makes the use of the device inconvenient. Summary of the invention

[0004] The utility model aims to provide a dry longan rolling screening machine, which can achieve the effect of quickly classifying the dry longan according to specifications.

[0005] The purpose of the utility model is achieved as follows: comprising a first fixed bottom plate and a second fixed bottom plate; a screening assembly is arranged on the top of the second fixed bottom plate, the first fixed bottom plate is located below the second fixed bottom plate, and an adjusting assembly for controlling the left-right slope of the second fixed bottom plate is arranged between the first fixed bottom plate and the second fixed bottom plate;

[0006] The screening assembly includes three groups of limiting sleeves arranged in sequence from left to right, and the limiting sleeves are fixed to the top of the second fixed bottom plate through a first limiting hoop;

[0007] A slot is provided at the bottom of any limiting sleeve, a telescopic tube is fixedly installed in the slot, and a material guide channel corresponding to the telescopic tube is installed on the first fixed bottom plate, and the material guide channel is connected to the telescopic tube;

[0008] Any limiting sleeve is rotatably connected with a screening cylinder; wherein, the limiting sleeve at the left end is rotatably connected with a first screening cylinder, the limiting sleeve in the middle is rotatably connected with a second screening cylinder, and the limiting sleeve at the left end is rotatably connected with a third screening cylinder;

[0009] The side walls of the first screening cylinder, the second screening cylinder and the third screening cylinder are all formed by a circular array of guide rods extending left and right; the spacing between any two adjacent guide rods in the three screening cylinders is the largest in the first screening cylinder and the smallest in the third screening cylinder;

[0010] Any two adjacent screening cylinders are connected via a screening cylinder connecting piece, and the screening cylinder connecting piece comprises a second limiting ring plate and a third limiting ring plate, and the second limiting ring plate and the third limiting ring plate are connected via a connecting cylinder.

[0011] The advantages of the utility model are:

[0012] 1. To achieve the purpose of adding and rolling screening of dry longan raw materials, improve the convenience of using the device, improve the efficiency of material screening, and classify and discharge the materials according to the size of the materials, reduce the work pressure of manual labor, and optimize the use experience of the device.

[0013] 2. To achieve the purpose of guiding the dried longan, avoid part of the material being left inside the device, replace manual discharge of the left material, improve the flexibility of the device, and improve the screening efficiency of the device.

[0014] 3. Achieve the purpose of grading and discharging dried longan, improve the screening effect of the device, shorten the screening time of dried longan of the device, optimize the use experience of the device, automatically discharge the material, improve the degree of automation of the device, and improve the production environment of dried longan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is a left-side stereogram of the utility model;

[0017] Figure 3 It is a right side perspective view of the utility model;

[0018] Figure 4 It is a top view of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the first screening cylinder of the utility model;

[0020] Figure 6 This is the node diagram of part A of the utility model.

[0021] Explanation of reference numerals: 10, first fixed bottom plate; 11, second fixed bottom plate; 12, first limiting hoop; 13, limiting sleeve; 14, first screening cylinder; 15, second screening cylinder; 16, third screening cylinder; 17, guide rod; 18, second limiting ring plate; 19, third limiting ring plate; 20, connecting cylinder; 21, connecting ring plate; 22, rubber sleeve; 23, supporting base; 24, first rotating rod; 25, transmission belt; 26, The first fixed plate; 27. servo motor; 28. sealing cover plate; 29. ​​sealing ring; 30. sealing door; 31. pull rod; 32. second fixed plate; 33. bearing seat; 34. first fixed rod; 35. hinge sleeve; 36. rotating rod; 37. fourth fixed plate; 38. reset spring rod; 39. hydraulic cylinder; 40. telescopic tube; 41. material guide channel; 42. material guide barrel; 43. material dividing partition; 44. discharge box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0023] like Figure 1-6 As shown: a dry longan rolling screening machine, comprising a first fixed bottom plate 10 and a second fixed bottom plate 11; a screening assembly is arranged on the top of the second fixed bottom plate 11, the first fixed bottom plate 10 is located below the second fixed bottom plate 11, and an adjustment assembly for controlling the left-right slope of the second fixed bottom plate 11 is arranged between the first fixed bottom plate 10 and the second fixed bottom plate 11;

[0024] The screening assembly includes three groups of limiting sleeves 13 arranged in sequence from left to right, and the limiting sleeves 13 are fixed to the top of the second fixed bottom plate 11 through the first limiting hoop 12;

[0025] The bottom of any limiting sleeve 13 is provided with a slot, the slot is fixedly installed with a telescopic tube 40, the first fixed base plate 10 is provided with a guide channel 41 corresponding to the telescopic tube 40, the guide channel 41 is connected to the telescopic tube 40;

[0026] Any limiting sleeve 13 is rotatably connected with a screening cylinder; wherein, the limiting sleeve 13 at the left end is rotatably connected with a first screening cylinder 14, the limiting sleeve 13 in the middle is rotatably connected with a second screening cylinder 15, and the limiting sleeve 13 at the left end is rotatably connected with a third screening cylinder 16;

[0027] The side walls of the first screening cylinder 14, the second screening cylinder 15, and the third screening cylinder 16 are all formed by a circular array of guide rods 17 extending left and right; the spacing between any two adjacent guide rods 17 in the three screening cylinders is the largest in the first screening cylinder 14 and the smallest in the third screening cylinder 16;

[0028] Any two adjacent screening drums are connected via a screening drum connector, and the screening drum connector includes a second limiting ring plate 18 and a third limiting ring plate 19 . The second limiting ring plate 18 and the third limiting ring plate 19 are connected via a connecting drum 20 .

[0029] The dried longans are graded and screened by a screening component, and the tilt angle of the device is adjusted by an adjusting component.

[0030] The dried longan is graded and screened by the first screening cylinder 14, the second screening cylinder 15 and the third screening cylinder 16. By adjusting the spacing of the guide rods 17 on the screening cylinders, the dried longan with a smaller size is controlled to be discharged from the telescopic tube 40 inside the third screening cylinder 16, the dried longan with a moderate size is discharged from the telescopic tube 40 inside the second screening cylinder 15, and the dried longan with a larger size is discharged from the telescopic tube 40 inside the first screening cylinder 14. Thus, the purpose of graded discharge of dried longan is achieved, the screening effect of the device is improved, the screening time of dried longan of the device is shortened, the use experience of the device is optimized, the material is automatically discharged, the automation degree of the device is improved, and the production environment of dried longan is improved.

[0031] like Figure 1-4 As shown: a connecting ring plate 21 is provided at the left edge of the first screening cylinder 14, and a rubber sleeve 22 is provided on the outer wall of the connecting ring plate 21; a connecting ring plate 21 is provided at the right edge of the third screening cylinder 16, and a rubber sleeve 22 is provided on the outer wall of the connecting ring plate 21;

[0032] Four groups of support bases 23 are fixedly installed on the top of the second fixed bottom plate 11, and rollers 24 are rotatably installed on the support bases 23. A group of rollers 24 is provided on the front and rear sides of any rubber sleeve 22, and the front and rear groups of rollers support the screening cylinder; the two groups of rollers 24 at the left end are coaxially installed with pulleys, and a transmission belt 25 is installed between the two pulleys.

[0033] By driving the roller 24, the screening drum can be driven to rotate, thereby realizing the rotation of the longan inside.

[0034] Specific as Figure 1-4 As shown, a first fixing plate 26 is fixedly provided on the support base 23 at the left end, a servo motor 27 is mounted on the first fixing plate 26, and an output shaft of the servo motor 27 is connected to the corresponding roller 24 through a coupling.

[0035] A sealing cover plate 28 is installed on the left end surface of the first screening cylinder 14, and a sealing ring 29 is fixedly connected to the right end surface of the third limiting ring plate 19; a sealing door 30 is hingedly installed on the outer wall of the sealing ring 29, and a pull rod 31 is provided on the surface of the sealing door 30.

[0036] The first screening cylinder 14 is sealed by the sealing cover plate 28, the servo motor 27 is supported by the first fixed plate 26, the servo motor 27 is started, and a group of first rotating rods 24 are driven to rotate; under the action of the transmission belt 25, another group of first rotating rods 24 are driven to rotate, the two groups of first rotating rods 24 are driven to rotate, and a group of rubber sleeves 22 are driven to rotate between the two groups of first rotating rods 24, so that the first screening cylinder 14, the second screening cylinder 15 and the third screening cylinder 16 are rotated, and the longan is rolled and screened. When the first screening cylinder 14, the second screening cylinder 15 and the third screening cylinder 16 rotate inside the limiting sleeve 13, another group of rubber sleeves 22 are driven to rotate between the other two groups of first rotating rods 24, the pull rod 31 is pulled, and the sealing door 30 is driven to be hinged on the sealing ring 29, and the dried longan is placed inside the third screening cylinder 16 for screening.

[0037] The above structure can achieve the purpose of adding and rolling screening of dry longan raw materials, improve the convenience of using the device, improve the efficiency of material screening, and grade and discharge the materials according to their size, thereby reducing manual work pressure and optimizing the user experience of the device.

[0038] like Figure 1-3 As shown in , 6, the adjustment assembly includes a rotating component and a lifting component;

[0039] The rotating member includes two groups of bearing seats 33 fixedly mounted on the left front top of the second fixed plate 32, the two groups of bearing seats 33 are distributed front and back, and a first fixed rod 34 is rotatably arranged between the two groups of bearing seats 33, an outer wall of the first fixed rod 34 is sleeved with a hinge sleeve 35, a rotating rod 36 is fixedly mounted on the outer wall of the hinge sleeve 35, a fourth fixed plate 37 is fixed to the top of the rotating rod 36, and the fourth fixed plate 37 is connected to the bottom of the second fixed bottom plate 11;

[0040] The lifting member includes two end surfaces located on the right side of the first fixed base plate 10, each of which is equipped with a return spring rod 38. The top ends of the two return spring rods 38 are fixedly connected to the bottom of the second fixed base plate 11. A hydraulic cylinder 39 is also provided between the two return spring rods 38. The hydraulic cylinder 39 is installed on the first fixed base plate 10, and the movable end of the hydraulic cylinder 39 is connected to the bottom of the second fixed base plate 11.

[0041] The hydraulic cylinder 39 is started to drive one end of the second fixed bottom plate 11 to move upward, driving the hinge sleeve 35 to hinge on the first fixed rod 34, changing the inclination angle of the second fixed bottom plate 11, and discharging the graded and screened materials through the telescopic tube 40 and the material guide channel 41.

[0042] The structure can guide the dried longan and prevent some of the material from falling inside the device, thereby replacing manual discharge of the lost material, improving the flexibility of the device and the screening efficiency of the device.

[0043] like Figure 1 , 2 As shown in FIG. 5 , a material guide cylinder 42 is embedded in the opening of the material guide channel 41 , a plurality of material dividing baffles 43 are installed inside the material guide cylinder 42 , and a material discharge box 44 is provided below the material guide channel 41 .

[0044] The graded dry longans are discharged through the material guide cylinder 42 and the material dividing plate 43, and the dry longans are collected and stored in the discharge box 44.

[0045] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A dry longan rolling screening machine, characterized in that: The invention comprises a first fixed bottom plate (10) and a second fixed bottom plate (11); a screening assembly is arranged on the top of the second fixed bottom plate (11); the first fixed bottom plate (10) is located below the second fixed bottom plate (11); and an adjustment assembly for controlling the left-right slope of the second fixed bottom plate (11) is arranged between the first fixed bottom plate (10) and the second fixed bottom plate (11); The screening assembly comprises three groups of limiting sleeves (13) arranged in sequence from left to right, wherein the limiting sleeves (13) are fixed to the top of the second fixed bottom plate (11) through a first limiting hoop (12); A slot hole is formed at the bottom of any limiting sleeve (13), a telescopic tube (40) is fixedly installed in the slot hole, a material guide channel (41) corresponding to the telescopic tube (40) is installed on the first fixed bottom plate (10), and the material guide channel (41) is connected to the telescopic tube (40); Any limiting sleeve (13) is rotatably connected to a screening cylinder; wherein the limiting sleeve (13) at the left end is rotatably connected to a first screening cylinder (14), the limiting sleeve (13) in the middle is rotatably connected to a second screening cylinder (15), and the limiting sleeve (13) at the left end is rotatably connected to a third screening cylinder (16); The side walls of the first screening cylinder (14), the second screening cylinder (15) and the third screening cylinder (16) are all arranged and enclosed by a circular array of guide rods (17) extending in the left and right directions; wherein the distance between any two adjacent guide rods (17) in the three screening cylinders is the largest in the first screening cylinder (14) and the smallest in the third screening cylinder (16); Any two adjacent screening cylinders are connected via a screening cylinder connecting piece, wherein the screening cylinder connecting piece comprises a second limiting ring plate (18) and a third limiting ring plate (19), and the second limiting ring plate (18) and the third limiting ring plate (19) are connected via a connecting cylinder (20).

2. The dry longan rolling screening machine according to claim 1, characterized in that: A connecting ring plate (21) is provided at the left edge of the first screening cylinder (14), and a rubber sleeve (22) is provided on the outer wall of the connecting ring plate (21); a connecting ring plate (21) is provided at the right edge of the third screening cylinder (16), and a rubber sleeve (22) is provided on the outer wall of the connecting ring plate (21); Four groups of support bases (23) are fixedly mounted on the top of the second fixed bottom plate (11), and rollers (24) are rotatably mounted on the support bases (23). A group of rollers (24) is provided on the front and rear sides of any rubber sleeve (22), and the front and rear groups of rollers support the screening cylinder; the two groups of rollers (24) at the left end are coaxially mounted with pulleys, and a transmission belt (25) is sleeved and mounted between the two pulleys.

3. The dry longan rolling screening machine according to claim 2, characterized in that: A first fixing plate (26) is fixedly provided on the support base (23) at the left end, a servo motor (27) is mounted on the first fixing plate (26), and an output shaft of the servo motor (27) is connected to a corresponding roller (24) via a coupling.

4. The dry longan rolling screening machine according to claim 1, characterized in that: A sealing cover plate (28) is installed on the left end surface of the first screening cylinder (14), and a sealing ring (29) is fixedly connected to the right end surface of the third limiting ring plate (19); a sealing door (30) is hingedly installed on the outer wall of the sealing ring (29), and a pull rod (31) is provided on the surface of the sealing door (30).

5. The dry longan rolling screening machine according to claim 1, characterized in that: The adjustment assembly includes a rotating member and a lifting member; The rotating member comprises two groups of bearing seats (33) fixedly mounted on the left front top of the second fixed plate (32), the two groups of bearing seats (33) are distributed front and back, and a first fixed rod (34) is rotatably arranged between the two groups of bearing seats (33), an outer wall of the first fixed rod (34) is sleeved with a hinge sleeve (35), a rotating rod (36) is fixedly mounted on the outer wall of the hinge sleeve (35), a fourth fixed plate (37) is fixed to the top end of the rotating rod (36), and the fourth fixed plate (37) is connected to the bottom of the second fixed bottom plate (11); The lifting member comprises two end surfaces located on the right side of the first fixed base plate (10) and provided with return spring rods (38), the top ends of the two return spring rods (38) being fixedly connected to the bottom of the second fixed base plate (11); a hydraulic cylinder (39) is also provided between the two return spring rods (38), the hydraulic cylinder (39) being installed on the first fixed base plate (10), and the movable end of the hydraulic cylinder (39) being connected to the bottom of the second fixed base plate (11).

6. The dry longan rolling screening machine according to claim 5, characterized in that: A material guide cylinder (42) is embedded at the opening of the material guide channel (41), a plurality of material dividing baffles (43) are installed inside the material guide cylinder (42), and a material discharge box (44) is provided below the material guide channel (41).

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