CN215381329U - Huller for green peel of macadamia nut - Google Patents

Abstract

The utility model relates to a huller for green husks of macadamia nuts, which comprises a rack, a motor, a feed hopper and a semicircular sieve, wherein the semicircular sieve is arranged on the rack, a cage cylinder is arranged in the semicircular sieve and driven by the motor, a cage cylinder cover is arranged above the cage cylinder, the feed hopper is arranged on the cage cylinder cover, macadamia nuts automatically enter a gap between the cage cylinder and the semicircular sieve to be extruded, green husk layers are cracked and peeled off and are sieved, hard shells are left in the semicircular sieve and are discharged from a discharge port, the cage cylinder is formed by obliquely fixing two end plates and a threaded rod, a cage cylinder shaft is arranged on the two end plates, a spiral plate is fixed outside the threaded rod, the spiral plate pushes the macadamia nuts from one end to the other end, the peeled hard shell particles are pushed out of the semicircular sieve by the spiral plate and are discharged from the discharge port, and broken green husks are discharged from the sieve. The method can replace manual work to continuously and efficiently remove the green peel layer of the macadamia nuts, keep the hard shells intact, protect the nuts from being influenced by the outside, and create favorable conditions for subsequent further processing, storage, transportation and sale.

Description

Huller for green peel of macadamia nut

Technical Field

The utility model relates to nut processing equipment, in particular to a huller for green seedcases of macadamia nuts.

Background

The shape of the macadamia nut is similar to that of an olive, but the macadamia nut is similar to that of a walnut, the outer layer is a green peel layer which is thicker and called a green peel shell, the second layer is a hard shell, and nuts are arranged in the hard shell and are eaten by people. At present, the green husks of macadamia nuts are peeled off manually, and the method specifically comprises the steps of knocking by a small hammer, damaging a hard shell layer when the force is large, and hardly knocking the green husk layer when the force is not enough, so that the strength is difficult to master, the efficiency is low, and the hard shell is damaged occasionally, so that the nuts are oxidized and deteriorated, and the nuts are damped and mildewed. Therefore, the main problem of manually peeling off the green peel is the contradiction between efficiency and quality, and if the efficiency is improved, the hard shell is easy to damage, and if the completeness of the hard shell is emphasized, the efficiency cannot be improved.

The method for processing the macadamia nuts in an assembly line is that the macadamia nuts are conveyed into a crushing device to crush and crack the hard shells on the skin layers and the nuts together, so that the nuts are separated, then the nuts are placed into water to sink down by utilizing the density difference between the heavier nuts and the lighter hard shells and the lighter green peel layers, and the hard shells and the green peel layers float upwards, so that the nuts are separated. The separated nuts are subjected to draining and drying treatment and then packaged for sale. It can be seen that the method can obtain nuts, not nuts surrounded by hard shells, which have the advantages of direct eating and the disadvantages of long storage time and easy mildewing and deterioration. Moreover, this method also results in the loss of a portion of the kernels.

The macadamia nuts with the hard shells appearing in the market are manually peeled off one by one, which wastes time and labor, but the macadamia nuts coated with the hard shells are not easy to deteriorate due to long storage time, are original in taste and flavor, are popular with people, and have no great market price. In order to make the macadamia nuts in the form of the macadamia nuts meet the market demand, the development of equipment for replacing manual green peel peeling is needed, and the production efficiency is improved. But no such device has emerged so far.

Disclosure of Invention

Therefore, the utility model provides the huller for the green husks of the macadamia nuts, which can replace manual work to continuously remove the green husks of the macadamia nuts, keep the hard shells intact, protect nuts from being influenced by the outside, create favorable conditions for subsequent further processing, storage, transportation and sale, and overcome the defects of the prior art.

The utility model provides a huller for green husks of macadamia fruits, which comprises a rack, a motor, a feed hopper and a semicircular sieve, and is characterized in that the semicircular sieve is arranged on the rack, a cage cylinder is arranged in the semicircular sieve and driven by the motor, a cage cylinder cover is arranged above the cage cylinder, the feed hopper is arranged on the cage cylinder cover, the macadamia fruits automatically enter a gap between the cage cylinder and the semicircular sieve to be extruded, a green husk layer is cracked and peeled off and is sieved, and a hard shell is left in the semicircular sieve and is discharged from a discharge port.

The cage barrel is formed by obliquely fixing two end plates and a threaded rod, a cage barrel shaft is arranged on the two end plates, a spiral plate is fixed outside the threaded rod, macadamia nuts are pushed to the other end from one end, peeled hard shell grains are pushed out of the semicircular sieve by the spiral plate and are discharged from a discharge port, and green husk fragments are discharged from the sieve.

The cage cylinder shaft is arranged at two ends of the semicircular groove through bearings and is connected with the motor through a large belt wheel, a small belt wheel and a belt for transmission.

The motor is arranged at the lower part of the frame, and the belt and the large and small belt wheels are covered by a belt cover.

The threaded rods on the cage cylinder are threaded steel rods, and gaps among the threaded rods and sieve holes of the semicircular sieve are smaller than macadamia nut hard shell particles so as to prevent the hard shell particles from entering the cage cylinder or being sieved.

The cage cylinder cover is a semicircular groove cover, a cylindrical space is formed by the cage cylinder cover and the semicircular sieve, the cage cylinder is surrounded in the space, and the cage cylinder cover is installed on the rack through a pin shaft so as to be movably opened and closed.

The cage cover and the feed end of the semicircular screen are blocked, and the discharge end is open.

The feed hopper is of a funnel-shaped structure, and the funnel opening is positioned at the feeding end and is provided with a material control tongue plate so as to control the feeding speed.

An inclined waste shell sliding plate is arranged below the semicircular sieve so as to discharge the green shell particles under the sieve in a centralized manner.

The working principle of the utility model is as follows:

when the device is used, the motor is started to rotate the cage cylinder, macadamia nuts are put into the feed hopper, the blanking speed is controlled by the material control tongue plate, the macadamia nuts automatically enter a gap between the cage cylinder and the semicircular sieve and are extruded by the rotating cage cylinder and the semicircular sieve, and the green husk shells are cracked to be separated from the hard husks, fall down from the sieve pores and slide to a centralized treatment position through the waste husk sliding plate. The macadamia nut hard shell particles without the green shells are pushed to a discharge end by the spiral plate and are discharged into containers such as baskets and the like from a discharge port. Thus realizing the automatic and continuous removal and separation of the green husk.

The method has the characteristics that the method can replace manual work to continuously and efficiently remove the green peel layer of the macadamia nuts, keep the hard shells intact, protect the nuts from being influenced by the outside, and create favorable conditions for subsequent further processing, storage, transportation and sale.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view (a-a sectional view) of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a left side view (B-B cross-sectional view) of the present invention.

Fig. 5 is an integrated front view of the cage (partially omitted).

Fig. 6 is a front view of a semicircular screen.

Fig. 7 is a left side view of the semicircular screen.

Fig. 8 is a perspective view of the present invention.

In fig. 1-8, the various components are numbered as follows:

1-a waste shell slide plate; 2-a discharge hole; 3-a semicircular sieve; 4-a spiral plate; 5-a threaded rod; 6-a feed hopper; 7-a feed inlet; 8-cage cylinder; 9-cage cylinder shaft; 10-large belt wheel; 11-a belt cover; 12-a belt; 13-small belt wheel; 14-a motor; 15-a frame; 16-cage cover.

In fig. 1 and 5, the threaded rods and the spiral plates on the cage are simply drawn, in practice, the threaded rods are distributed throughout the cage, and the spiral plates surround the cage from head to tail. When the macadamia nut is rotated, the spiral plate is almost contacted with the semicircular sieve plate or the gap is very small, and macadamia nuts cannot leak from the gap.

The threaded rods and spiral plates on the cage of fig. 2 have been omitted for simplicity.

Detailed Description

The utility model is further illustrated with reference to the accompanying drawings, without however limiting the scope of the utility model to these examples.

As shown in fig. 1 to 8, the frame 15 is formed by welding steel materials such as angle iron, and the discharge port 2 and the waste shell sliding plate 1 are also welded to the frame.

The semicircular sieve 3 is formed by welding reinforcing steel bars and semicircular end plates, and the reinforcing steel bars are fixed on the semicircular end plates in parallel to form a semicircular sieve groove and then are installed on the machine frame through connecting pieces such as bolts.

The cage 8 is a core component of the present invention, and as described above, it is formed by welding two end plates and the threaded rod 5, the threaded rod is a common threaded steel rod, these steel rods are welded in parallel to the two end plates at an angle of about 60 degrees to form the cage, and the gap between the threaded rods is determined according to the size of the macadamia nut shell and the requirement of the extruding and kneading force.

The spiral plate 4 is a spiral and is distributed on the surface of the cage from head to tail. The cage cylinder shaft 9 is installed on two end plates of the cage cylinder, is installed on the frame by using installation parts such as bearings and the like, and is parallel to the axis of the semicircular screen.

The cage cylinder cover 16 is made of iron plates and other materials to form a semicircular groove, is arranged on the frame through connecting pieces such as a pin shaft and the like to cover the cage cylinder cover, the feed hopper 6 is of a hopper structure, and the feed inlet 7, namely the leakage opening, is provided with a material control tongue plate to control the feeding speed.

The motor 14 is arranged at the lower part of the frame, is in transmission connection with the cage drum shaft through the large belt wheel 10, the small belt wheel 13 and the belt 12, and is covered by the belt cover 11 to ensure safety. The connection of the small pulley belt and the large pulley is shown in two parts A, B in fig. 2.

Other non-mentioned components and reference numerals are as described above.

The dimensions and other parameters of the examples shown in the figures are shown in the figures.

The huller for green husks of macadamia nuts has the following innovation points after being tried by a prototype:

1. the design of the screw type threaded rod shelling cage cylinder and the screw conveying integration: the spiral shelling threaded rod and the spiral conveying are coaxially designed in such a way that the conveying type and the shelling chamber are in the same space, so that the structure of the shelling machine is more compact, and the spiral threaded rod has the functions of shelling and axial pushing. The spiral conveying mechanism greatly improves the production efficiency.

The design of "fishbone formula" threaded rod semicircle screening mechanism: the screening mechanism is a basic frame formed by welding a front semicircle, a rear semicircle and 5 deformed steel bars with the axial length of 780mm and the diameter of 120 mm. The shape of the welded fish bone type threaded rod semicircular screening mechanism is like the shape of a skeleton which is left by upwards removing the fish head, the fish tail and the meat of a fish, and the purpose of the design is as follows: after the nuts are forcibly and quickly conveyed to the shelling chamber by the conveying screw, the spiral threaded rod on the shelling cage cylinder has axial thrust and radial extrusion force on the nuts, so that the nuts move forwards in the axial direction, and the nut green husks are rubbed down by forming hard kneading on the nut shells due to the blocking of the vertical fishbone-shaped grids of the fishbone-shaped threaded rod semicircular screening mechanism. And because the shelled nuts are 'nearly round balls', the nuts slide into the grooves of 3 deformed steel bars parallel to the shaft along the 'fishbone' grooves with the distance of 17 mm. Under the action of the axial thrust of the spiral threaded rod cage cylinder, the shell enters the collecting box (bag) from the discharge port to complete the whole shelling process. And because the shell peeled from the nut is light in weight and is in a three-pointed flat shape, the shell is changed into a block shape to be extruded out of the shelling chamber under the combined action of the spiral threaded rod of the shelling cage and the rubbing of the deformed steel bar of the fishbone sieve.

The technical indexes of the prototype are as follows:

processing capacity: 2.8 ton/h

The breakage rate of the hard shell: 0.75 percent

The green husk peeling rate is 1.2%.

Claims (9)

1. A huller for green husks of macadamia nuts comprises a rack, a motor, a feed hopper and a semicircular sieve, and is characterized in that the semicircular sieve is mounted on the rack, a cage cylinder is mounted in the semicircular sieve and driven by the motor, a cage cylinder cover is mounted above the cage cylinder, the feed hopper is mounted on the cage cylinder cover, macadamia nuts automatically enter a gap between the cage cylinder and the semicircular sieve to be extruded, green husk layers are cracked and peeled off and are sieved, and hard shells are left in the semicircular sieve and are discharged from a discharge port.

2. The huller of green tangerine peel of macadamia nut as claimed in claim 1, wherein the cage cylinder is formed by two end plates and a threaded rod which are fixed in an inclined manner, the shaft of the cage cylinder is mounted on the two end plates, a spiral plate is fixed outside the threaded rod to push the macadamia nut from one end to the other end, the peeled hard tangerine peel is pushed out of the semicircular sieve by the spiral plate and is discharged from the discharge port, and the green tangerine peel fragments are discharged from the sieve.

3. The huller for green tangerine orange peel of macadamia nut as claimed in claim 1, wherein the cage shaft is mounted at two ends of the semicircular groove through bearings and is driven by a big belt wheel, a small belt wheel and a belt connected with a motor.

4. The huller for green tangerine orange peel of macadamia nut as claimed in claim 3, wherein the motor is installed at the lower part of the frame, and the belt and the large and small pulleys are covered with a belt cover.

5. The huller of green rind of macadamia nut as claimed in claim 1, wherein the threaded rods on the cage are threaded steel bars, and the gaps between the threaded rods and the mesh of the semicircular sieve are smaller than the hard shell particles of macadamia nut.

6. The huller for green tangerine peels of macadamia nuts as claimed in claim 1, wherein the cage cover is a semicircular groove cover, and forms a cylindrical space with the semicircular sieve to enclose the cage therein, and the cage cover is mounted on the frame through a pin shaft.

7. The huller for green tangerine orange peel of macadamia nut as claimed in claim 6, wherein the cage cover and the semicircular sieve are closed at the inlet end and open at the outlet end.

8. The huller as claimed in claim 1, wherein the hopper is a funnel shaped structure with a hopper mouth at the feeding end and a material control flap to control the feeding speed.

9. The huller for green tangerine peel of macadamia nut as claimed in claim 1, wherein there is a tilted slide plate for waste husk under the semicircular sieve to discharge the crushed particles of green husk under the sieve in a concentrated manner.

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