CN111869431A - A two-way conveying screen drum separation device - Google Patents

Abstract

The invention provides a bidirectional conveying type sieve drum separation device, the structure of which comprises: a frame, a feeding crushing device, a sieve drum separation device, a collecting box and a transmission system. The separation process is as follows: the pulp and seed mixture is sent to the inner sieve cylinder through the feeding port by the feeding crushing device, and the pinion gear obtains power to drive the inner sieve cylinder to rotate, and the skin, pulp and seed mixture is continuously moved to the right by the inner conveying plate. The side opening is used for conveying. During the conveying process, the materials are continuously picked up and scattered, so that the materials are evenly separated. The seed pulp mixture falls between the outer wall of the inner sieve cylinder and the outer conveying plate through the sieve holes. The opening on the right side of the cylinder is discharged to realize the separation of skin and seeds; the mixture of pulp and seeds is continuously conveyed by the outer conveying plate to the left opening of the inner sieve cylinder. Seed box, to achieve the separation of pulp and seeds. The bidirectional conveying type sieve drum separation device of the invention has the characteristics of less damage to materials, good separation effect and easy maintenance.

Description

A two-way conveying screen drum separation device

technical field

An example of the present invention relates to the technical field of agricultural product processing, in particular to a bidirectional conveying type sieve drum separation device.

Background technique

Punched melon is a type of watermelon. It is mainly eaten with its seeds. It tastes delicious and has high nutritional value. The most important part of obtaining the seeds is the separation of the skin, the pulp and the seeds. The existing sieve drum separation device adopts a roller with a central axis to separate the pulp and seeds of the crushed melon, and an extension rod is arranged on the central axis, and the melon seeds are separated from the pulp and seeds through the extension rod. However, the melon seeds obtained by this separation method contain melon pulp, and at the same time, the extension rod will cause damage to the melon seeds, which is not conducive to the later product sales of melon seeds.

SUMMARY OF THE INVENTION

Aiming at the problems of high material damage rate and incomplete separation of the existing sieve drum separation device, the invention designs a bidirectional conveying sieve drum separation device.

A two-way conveying type sieve drum separation device, comprising: a feed crushing device, a sieve drum separation device, a transmission system, a collecting box, and a frame. The feeding crushing device is composed of a feeding funnel, a breaking roller and a crushing roller. The feeding funnel is fixed on the upper left of the frame with bolts, and the breaking roller and the crushing roller are respectively assembled in the feeding funnel through matching with the bearing clearance to break and crush the melons; the lower end of the feeding funnel extends into the In the sieve drum, the crushed skin and pulp seeds are sent to the inner sieve drum.

Further, the sieve drum separation device is composed of an inner sieve drum, an inner conveying plate, an outer conveying plate, and a semicircular outer sieve drum. The left and right ends of the inner sieve cylinder are respectively supported and positioned by two bearings at an angle of 120 degrees to the axis of the inner sieve cylinder to limit the axial movement of the inner sieve cylinder, and the shaft and the bearing are fixed on the frame through interference fit; The outer cylinder wall in the middle of the cylinder is provided with an arc-shaped rack, and the motor B drives the pinion to drive the inner sieve cylinder to rotate; the inner cylinder wall and the outer cylinder wall of the inner sieve cylinder are respectively fixed with screws. , the inner sieve cylinder and the inner conveying plate form an included angle of 40 degrees, and the inner sieve cylinder and the outer conveying plate form an included angle of 20 degrees; Fasteners are fastened to the frame.

Further, the transmission system is mainly composed of a motor A, a large pulley, a V belt, a small pulley, a motor B, and a rack and pinion mechanism. The motor A is fixed on the lower left of the frame with bolts; the large pulley and the motor A are matched together by a key; the V belt is assembled with the small pulley and the large pulley through clearance; the small pulley is respectively matched with the breaking roller and the The crushing rollers are matched together by a key; the motor B is fixed on the frame with bolts, which is located just above the inner screen drum; the pinion gear and the motor B are matched together by a key.

Further, the collecting box is fixed on the frame with bolts and is located at the left end of the semicircular outer sieve cylinder; a vehicle axle is arranged below the frame, and traveling wheels are respectively installed at both ends of the vehicle axle, and the frame is installed on the vehicle. on the bridge.

Compared with the prior art, the present invention has the following advantages: a two-stage separation and screening method of the inner sieve cylinder and the semicircular outer sieve cylinder is adopted, and the separation effect is good; the inner sieve cylinder without a central axis is driven by the rack and pinion, and the damage rate of the melon seeds is low. .

Description of drawings

FIG. 1 is a schematic structural diagram of a bidirectional conveying screen drum separation device provided by an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a bidirectional conveying screen drum separation device provided by an embodiment of the present invention.

Fig. 3 is a front view of the inner screen drum provided by the embodiment of the present invention.

Fig. 4 is a left side view of the inner screen drum provided by the embodiment of the present invention.

FIG. 5 is a schematic structural diagram of an inner conveying plate provided by an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of an outer conveying plate provided by an embodiment of the present invention.

In the picture: 1. Collecting box; 2. Motor A; 3. Crushing roller; 4. Feeding funnel; 5. Inner sieve drum; 6. Outer conveying plate; 7. Pinion; 8. Motor B; 9 .Semi-circular outer screen drum; 10. Frame; 11. Inner conveying plate; 12. Bearing; 13. Walking wheel; 14. Feeding port; 15. Breaking roller; 16. Hole a; 17. Hole b; 18. Arc 19. Bearing limit slot; 20. Hole A; 21. Hole B; 22. Hole C; 23. Hole D.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

As shown in Figures 1 and 2, a bidirectional conveying type sieve drum separation device includes a feed crushing device, a sieve drum separation device, a transmission system, a collecting box (1), and a frame (10). The feeding crushing device includes a feeding funnel (4), a breaking roller (15) and a crushing roller (3); the sieve drum separation device consists of an inner sieve drum (5), an inner conveying plate (11), and an outer conveying plate (6) , semicircular outer screen cylinder (9) composition; transmission system includes motor A (2), large pulley, V belt, small pulley, motor B (8), rack and pinion mechanism, frame (10).

As shown in Figure 3, Figure 5 and Figure 6, the outer wall of the inner sieve cylinder is provided with an outer conveying plate (6) arranged in a spiral line, and the outer conveying plate and the inner sieve cylinder are connected by screws; The spirally arranged inner conveying plate (11), the holes A (20) and B (21) on the inner conveying plate are respectively connected with the inner screen cylinder holes a (16) and b (17) by screws. The inner sieve cylinder (5) is provided with a bearing limit groove (19), the bearing limit groove is located on the outer wall of the inner sieve cylinder, and the left and right ends of the inner sieve cylinder are respectively connected by two bearings (12) and the axis of the inner sieve cylinder. Support positioning at a 120-degree angle.

As shown in Figure 4, the inner screen cylinder and the outer conveying plate form a 20-degree angle, and the inner screen cylinder and the inner conveying plate form a 40-degree angle.

The use process of the two-way conveying screen drum separation device is as follows: the motor A (2) drives the large pulley to rotate, and the large pulley transmits the power to the crushing roller (3) through the V-belt and the small pulley, and the crushing roller (3) The power is transmitted to the breaking roller (15) through the V-belt and the small pulley, the melon enters from the feeding funnel (4), is broken by the breaking roller (15), and the mixture of skin, pulp and seeds crushed by the crushing roller (3) It is fed into the inner sieve drum through the feeding port (14), the motor B (8) drives the pinion (7), the pinion meshes with the rack of the inner sieve drum and drives the inner sieve drum (5) to rotate. The conveying plate continuously conveys to the opening on the right side of the inner sieve cylinder. During the conveying process, the materials are continuously picked up and scattered, so that the materials are evenly separated. Under the action of the inner conveying plate (11), it is discharged from the opening on the right side of the inner sieve cylinder to realize the separation of the skin and the seeds; the mixture of the seed and pulp is continuously conveyed to the left opening of the inner sieve cylinder by the outer conveying plate, and the sieve holes of the semicircular outer sieve cylinder (9) The pore diameter is smaller than the diameter of the seeds and larger than the diameter of the pulp. The pulp passes through the sieve holes of the semicircular outer sieve cylinder, and the seeds are sent to the seed collecting box (1) by the outer conveying plate (6) to realize the separation of the pulp and seeds.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. It should be pointed out that any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the invention.

Claims (3)

1. A bidirectional conveying type screen drum separating device structurally comprises: the device comprises a rack (10), a feeding crushing device, a screen drum separating device, a material collecting box (1) and a transmission system; the feeding and crushing device is positioned at the upper left part of the rack and is driven by a motor, and the function of breaking and crushing the watermelon materials is mainly realized; a sieve section of thick bamboo separator is located the frame positive centre, is the core component, by rack and pinion mechanism drive, and melon peel is discharged from sieve section of thick bamboo separator right side opening, and melon pulp is discharged under sieve section of thick bamboo separator, and melon seed is carried to the case that gathers materials by sieve section of thick bamboo separator, realizes the separation of skin pulp seed.

2. The bidirectional conveying type screen drum separating device as claimed in claim 1, wherein the screen drum of the screen drum separating device is composed of a semicircular outer screen drum (9) and an inner screen drum (5), wherein the semicircular outer screen drum (9) is a fixed screen drum, and the inner screen drum (5) is a movable screen drum.

3. A two-way feed type screen drum separator as claimed in claim 2, wherein said inner screen drum (5) is provided with a curved rack (18) which is located on the middle outer drum wall of the inner screen drum; a bearing limiting groove (19) is arranged on the inner screen drum, the bearing limiting groove is positioned on the outer wall of the inner screen drum, and the left end and the right end of the inner screen drum are respectively supported and positioned by two bearings (12) at an angle of 120 degrees with the axis of the inner screen drum; an inner conveying plate (11) and an outer conveying plate (6) which are arranged in a spiral line are respectively fixed on the inner wall and the outer wall of the inner screen drum through screws, the inner screen drum and the inner conveying plate form an included angle of 40 degrees, and the inner screen drum and the outer conveying plate form an included angle of 20 degrees.

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