CN110074424B

CN110074424B - Ladder auger type walnut peeling machine

Info

Publication number: CN110074424B
Application number: CN201910377167.2A
Authority: CN
Inventors: 张书祥; 张述功
Original assignee: Manasi Xianghe Farm Machinery Co ltd
Current assignee: Manasi Xianghe Farm Machinery Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2021-12-24
Anticipated expiration: 2039-05-07
Also published as: CN110074424A

Abstract

The invention relates to the technical field of walnut peeling mechanical equipment, in particular to a stepped auger type walnut peeling machine which comprises a rack, a shell, a peeling device, a feeding hopper and a sundry discharging device, wherein the shell which is arranged in the left-right direction is fixedly arranged at the upper part of the rack, the shell comprises an upper shell and a lower shell, the upper shell is positioned at the upper part of the lower shell, the upper shell and the lower shell are detachably connected together, and the lower shell and the upper part of the rack are fixedly arranged together; the machine frame corresponding to the inner side position of the shell is provided with a peeling device, the peeling device comprises an inner barrel and an outer barrel capable of being matched with the inner barrel to rub and peel, the inner side of the outer barrel is sleeved with the inner barrel, the lower shell corresponding to the lower position of the outer barrel is internally provided with a sundry outlet, and the lower shell corresponding to the lower position of the sundry outlet is provided with a sundry outlet. The walnut peeling machine has the advantages that peeling and surface cleaning of walnuts are effectively realized by fully utilizing the relative rotation of the inner barrel and the outer barrel, and the walnut peeling machine has the advantages of clean peeling and high operation efficiency.

Description

Ladder auger type walnut peeling machine

Technical Field

The invention relates to the technical field of walnut peeling mechanical equipment, in particular to a stepped auger type walnut peeling machine.

Background

The walnut is a popular and important dry fruit in life, and the walnut is firstly removed through green husks in the processing and production process. The prior green husk removing method mainly comprises a chemical peeling method and a mechanical peeling method, wherein the chemical peeling method is mainly characterized in that chemical reagents are sprayed on the surface layer of green walnuts to enable the green walnuts to naturally peel after the green walnuts are ripe, but the method is easy to influence the internal quality of the walnuts; the relative motion of mechanical parts is usually adopted for mechanical peeling to rub the green husks of the walnuts so as to separate the green husks, and the method not only realizes the removal of the green husks, but also ensures the quality of the walnuts, so the mechanical peeling is widely used. But the problems of unclean peeling and low operation efficiency exist in the existing walnut peeling machine, and the operation efficiency of walnut harvesting and processing is greatly influenced.

Disclosure of Invention

The invention provides a stepped auger type walnut peeling machine, overcomes the defects of the prior art, and can effectively solve the problems of incomplete peeling and low operation efficiency of the conventional walnut peeling machine.

The technical scheme of the invention is realized by the following measures: a ladder auger type walnut peeling machine comprises a rack, a shell, a peeling device, a feeding hopper and an impurity discharging device, wherein the shell which is arranged in the left-right direction is fixedly arranged at the upper part of the rack; the peeling machine comprises a frame, a peeling device and a discharging barrel, wherein the frame is arranged at a position corresponding to the inner side of the frame, the peeling device comprises an inner barrel and an outer barrel which can be matched with the inner barrel to rub and peel, the outer barrel is arranged at the upper part of the frame in the left-right direction and can rotate, at least one impurity discharging port which can discharge green husks and can not allow walnuts to pass through is arranged at the outer side of the outer barrel in the left-right direction, the inner barrel is sleeved at the inner side of the outer barrel and can rotate together with the frame, a peeling cavity which is communicated left and right is formed by the outer side of the inner barrel and the inner side of the outer barrel together, the left opening of the peeling cavity is a feeding port, the right opening of the peeling cavity is a discharging port, the right part of the lower frame corresponding to the position of the discharging port is provided with the discharging barrel, a feeding hopper with an upward opening is fixedly arranged on the frame corresponding to the left position of the feeding port, and an outlet communicated with the feeding port is arranged at the right side of the lower part of the feeding hopper; the inner barrel comprises a roller and a twisting blade, a rotating shaft is coaxially and fixedly mounted on the roller, the left part and the right part of the rotating shaft are respectively rotatably mounted with the rack, an anti-skid layer is arranged on the outer side of the left part of the roller, a steel wire disc is fixedly mounted on the outer side of the right part of the roller, the twisting blade capable of conveying walnuts from a feed port to a discharge port is fixedly mounted on the outer side of the roller in the left-right direction, the left part of the twisting blade is positioned on the outer side of the anti-skid layer, and the right part of the twisting blade is positioned on the outer side of the steel wire disc; the twisting blade comprises a pushing spiral blade and blades, the blades comprise an upper blade and a lower blade, the upper blade is in a fan ring shape with a downward opening, the lower blade is in a fan ring shape with an upward opening, at least two upper blades are fixedly installed on the upper part of a roller at intervals along the left-right direction, a lower blade is fixedly installed on the lower part of the roller corresponding to the position between every two adjacent upper blades, the upper end of the front part of each lower blade and the lower end of the front part of the upper blade adjacent to the left side of the lower blade are fixedly connected together through the pushing spiral blade, and the upper end of the rear part of each lower blade and the lower end of the rear part of the upper blade adjacent to the right side of the lower blade are fixedly connected together through the pushing spiral blade; the lower shell corresponding to the lower part of the outer cylinder is provided with a sundry outlet.

The following is further optimization or/and improvement of the technical scheme of the invention:

the outer barrel can comprise a skin cutting rod, a peeling rod, a row brush, a first fixing ring, a second fixing ring, a third fixing ring and a fourth fixing ring, the first fixing ring, the second fixing ring, the third fixing ring and the fourth fixing ring are sequentially distributed at intervals from left to right, the skin cutting rods distributed in the left-right direction are fixedly arranged between the first fixing ring and the second fixing ring at intervals along the circumference, the skin cutting rods correspond to the anti-skid layer in position, and at least one cutter is fixedly arranged on the inner side of each skin cutting rod in the left-right direction; peeling rods distributed in the left-right direction are fixedly arranged between the second fixing ring and the third fixing ring at intervals along the circumference, row brushes capable of cleaning walnuts are fixedly arranged between the third fixing ring and the fourth fixing ring at intervals along the circumference, the row brushes are distributed in the left-right direction, and the peeling rods and the row brushes correspond to the positions of the steel wire discs; impurity discharging openings capable of discharging the green husks are formed among the peel cutting rods, among the peeling rods and among the row brushes.

The outer sides of the peeling rod and the skin cutting rod are provided with spherical or spiral or strip-shaped bulges; the skin cutting rod is sleeved with a cutter in an annular shape, the inner side of the cutter is fixedly connected with the outer side of the skin cutting rod, and the outer edge of the cutter is provided with a blade.

The lower shell corresponding to the lower position of the outer barrel can be internally provided with a sundry outlet, the lower shell corresponding to the lower position of the sundry outlet is provided with a sundry outlet, the sundry outlet comprises a sundry outlet driving shaft and a sundry outlet helical blade, the left part and the right part of the sundry outlet driving shaft are respectively rotatable and are mounted with the frame, the outer side of the sundry outlet driving shaft corresponding to the lower position of the sundry outlet is provided with the sundry outlet helical blade, the sundry outlet helical blade is positioned at the inner side of the lower shell and comprises a left sundry outlet helical blade and a right sundry outlet helical blade which can convey green husks to the sundry outlet, the outer side of the left part of the sundry outlet driving shaft is provided with a left sundry outlet helical blade, the outer side of the right part of the sundry outlet driving shaft is provided with a right sundry outlet helical blade, the rotating directions of the left sundry outlet helical blade and the right sundry outlet helical blade are opposite, and the lower part of the lower shell corresponding to the position between the left sundry outlet helical blade and the right impurity outlet helical blade is provided with a sundry outlet helical blade.

A driven wheel, a first gear and a second gear can be fixedly arranged on the outer side of the impurity discharging driving shaft from left to right in sequence, a third gear can be fixedly arranged on the left part of the rotating shaft, and the first gear and the third gear can be connected together in a transmission manner; a gear ring can be fixedly arranged on the outer side of the left part of the first fixing ring, and the gear ring and the second gear can be connected together in a transmission manner; a driving motor can be fixedly arranged on the machine frame corresponding to the position below the discharging hopper, a driving wheel can be fixedly arranged on an output shaft of the driving motor, and the driving wheel and the driven wheel can be connected together in a transmission way; the lower part of the frame can be fixedly provided with a travelling wheel.

The left part of the inner cylinder can be in a round table shape with a small left part and a big right part.

The outer side of the rotating shaft corresponding to the lower part of the feeding hopper can be provided with a feeding helical blade.

The anti-skid layer can be a grid anti-skid layer or a raised anti-skid layer.

The inner side of the upper part of the upper shell can be provided with a water spray pipe capable of spraying water into the peeling cavity along the left and right directions, the water inlet part of the water spray pipe can penetrate through the upper shell and be positioned at the outer side of the upper shell, and the outer side of the upper part of the upper shell can be provided with a handle.

The machine frame corresponding to the lower part of the left part and the lower part of the right part of the outer cylinder can be provided with riding wheels which are distributed at intervals along the front-back direction, the riding wheels are fixedly installed with the machine frame and can rotate, and the outer cylinder seat is arranged on the corresponding riding wheels and can rotate.

The invention has reasonable and compact structure and convenient use, the arrangement of the twisting blades enables the movement track and the stress of the walnuts to change and generate collision, simultaneously, the rubbing times in the peeling cavity are effectively increased, the walnuts are prevented from being conveyed to the discharge hole before being peeled completely under the action of the blades, and the peeling rate is effectively improved under the condition of not reducing the rotating speed and the feeding amount of the inner barrel; due to the arrangement of the steel wire disc, the steel wires act on gully areas on the surfaces of walnuts to clean green husk residues in the walnuts, so that the operation efficiency is improved, and the threshing rate is also improved; the arrangement of the discharge barrel effectively ensures that the peeled walnuts are not scattered randomly when being output from the peeling cavity, thereby facilitating the collection of walnuts.

Drawings

FIG. 1 is a schematic sectional view of the preferred embodiment of the present invention in a front view.

FIG. 2 is a schematic cross-sectional view at A-A of the present invention shown in FIG. 1.

Fig. 3 is a front view of the outer barrel shown in fig. 1.

Fig. 4 is a schematic front view of the inner barrel shown in fig. 1.

FIG. 5 is a right side view of the inner barrel of FIG. 1.

The codes in the figures are respectively: the device comprises a frame 1, a lower shell 2, an upper shell 3, a fourth fixed ring 4, a row brush 5, a third fixed ring 6, a peeling rod 7, blades 8, upper blades 8-1, lower blades 8-2, a second fixed ring 9, a peeling rod 10, a cutter 11, a feeding hopper 12, a feeding helical blade 13, a rotating shaft 14, a third gear 15, a gear ring 16, a first gear 17, a driven wheel 18, a driving motor 19, a traveling wheel 20, a left impurity-discharging helical blade 21, an impurity-discharging driving shaft 22, a right impurity-discharging helical blade 23, an impurity-discharging port 24, a first fixed ring 25, a roller 26, a steel wire disc 26-1, an anti-skid layer 26-2, a riding wheel 27, a riding wheel 28, a second gear, a pushing helical blade 29, a driving wheel 30, a handle 31, a water-spraying pipe 32 and a discharging barrel 33.

Detailed Description

The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention is further described with reference to the following examples and figures:

as shown in attached figures 1, 2, 3, 4 and 5, the ladder auger type walnut peeling machine comprises a frame 1, a shell, a peeling device, a feeding funnel 12 and a sundries outlet device, wherein the shell which is arranged in the left-right direction is fixedly arranged at the upper part of the frame 1, the shell comprises an upper shell 3 and a lower shell 2, the upper shell 3 is positioned at the upper part of the lower shell 2, the upper shell and the lower shell are detachably connected together, and the lower shell 2 and the upper part of the frame 1 are fixedly arranged together; a peeling device is arranged on the rack 1 corresponding to the position of the inner side of the shell, the peeling device comprises an inner barrel and an outer barrel which can be matched with the inner barrel to rub and peel, the outer barrel is arranged on the upper portion of the rack 1 along the left-right direction and can rotate, at least one impurity discharging port which can discharge green husks and can not allow walnuts to pass through is arranged on the outer side of the outer barrel along the left-right direction, the inner barrel is sleeved on the inner side of the outer barrel and can rotate with the rack 1, a peeling cavity which is communicated left and right is formed by the outer side of the inner barrel and the inner side of the outer barrel together, the left opening of the peeling cavity is a feeding port, the right opening of the peeling cavity is a discharging port, a discharging barrel 33 is arranged on the right portion of the lower shell 2 corresponding to the position of the discharging port, a feeding funnel 12 with an upward opening is fixedly arranged on the rack 1 corresponding to the left position of the feeding port, and an outlet communicated with the feeding port is arranged on the right side of the lower portion of the feeding funnel 12; the inner cylinder comprises a roller 26 and a twisting blade, a rotating shaft 14 is coaxially and fixedly installed on the roller 26, the left part and the right part of the rotating shaft 14 are respectively rotatably installed with the rack 1, an anti-slip layer 26-2 is arranged on the outer side of the left part of the roller 26, a steel wire disc 26-1 is fixedly installed on the outer side of the right part of the roller 26, the twisting blade capable of conveying walnuts from a feeding hole to a discharging hole is fixedly installed on the outer side of the roller 26 in the left-right direction, the left part of the twisting blade is located on the outer side of the anti-slip layer 26-2, and the right part of the twisting blade is located on the outer side of the steel wire disc 26-1; the twisting blade comprises a pushing spiral blade 29 and blades 8, the blades 8 comprise an upper blade 8-1 and a lower blade 8-2, the upper blade 8-1 is in a fan-shaped ring shape with a downward opening, the lower blade 8-2 is in a fan-shaped ring shape with an upward opening, at least two upper blades 8-1 are fixedly installed on the upper portion of the roller 26 at intervals along the left-right direction, one lower blade 8-2 is fixedly installed on the lower portion of the roller 26 corresponding to the position between every two adjacent upper blades 8-1, the upper end of the front portion of each lower blade 8-2 and the lower end of the front portion of the upper blade 8-1 adjacent to the left side of the lower blade 8-2 are fixedly connected together through the pushing spiral blade 29, and the upper end of the rear portion of each lower blade 8-2 and the lower end of the rear portion of the upper blade 8-1 adjacent to the right side of the lower blade 8-2 are fixedly connected together through the pushing spiral blade 29; a sundries outlet 24 is arranged on the lower shell 2 corresponding to the lower position of the outer cylinder.

During operation, green-husk walnuts are poured into the feeding funnel 12, and then enter the feeding hole through the feeding funnel 12, so that the walnuts can enter the peeling cavity, meanwhile, the inner cylinder and the outer cylinder rotate relatively, the walnuts spirally move towards the discharging hole under the action of the blades 8, and as the anti-slip layer 26-2 is arranged on the outer side of the inner cylinder, the friction force between the walnuts and the inner cylinder is effectively increased, and the walnuts are rubbed and peeled under the combined action of the inner cylinder and the outer cylinder; when the walnuts move from the blades 8 to the pushing spiral blades 29, the movement track and the stress of the walnuts are changed, so that the walnuts collide with the inner cylinder and the outer cylinder when entering the pushing spiral blades 29, green husks on the surfaces of the walnuts are damaged and fall off, and the green husks are further removed by rubbing of the walnuts and the pushing spiral blades; along with the rotation of the inner barrel and the outer barrel and the increase of feeding amount, the walnuts enter the peeling cavities corresponding to the steel wire discs 26-1 while being collided and kneaded, the inner barrel rotates to drive the steel wire discs 26-1 to rotate to clean and brush the green husk residues on the surfaces of the walnuts, and the green husk peeling cleanliness is further improved. The green husks fall into the impurity discharging device through the impurity discharging port and are discharged through the impurity discharging port 24, the peeled walnuts are discharged from the discharging port and collected under the action of the twisted leaves, the whole operation process not only realizes walnut peeling, but also cleans the surface layer of the walnuts, and the walnut peeling quality is effectively improved. The arrangement of the twisting blades enables the movement track and the stress of the walnuts to change and generate collision, and simultaneously effectively increases the rubbing times in the peeling cavity, the blades 8 effectively slow down the spiral conveying speed of the walnuts in the peeling cavity, prevent the walnuts from being conveyed to a discharge port before being peeled completely, and effectively improve the peeling rate under the condition of not reducing the rotating speed and the feeding amount of the inner barrel; due to the arrangement of the steel wire disc 26-1, the steel wires act on gully areas on the surfaces of walnuts to clean green husk residues in the walnuts, so that the operation efficiency is improved, and the threshing rate is also improved; the discharge barrel 33 effectively ensures that the peeled walnuts are not scattered randomly when being output from the peeling cavity, so that the walnuts can be conveniently collected. According to the requirement, the distance between the outer side of the inner barrel and the inner side of the outer barrel can meet the operation requirement of walnut peeling, namely the distance can enable walnuts to be kneaded in a peeling cavity; the steel wire disc 26-1 is the prior known technology, a plurality of steel wires which can clean the walnut surface layer are fixedly arranged on the outer side of the disc, in addition, the steel wire disc 26-1 is arranged by the prior known technology, a plurality of steel wire discs 26-1 can be sleeved on the outer side of the inner cylinder according to the operation requirement and then are connected together by welding or bolts, and the distance between every two adjacent steel wire discs 26-1 can meet the operation requirement of no walnut jamming; a gap is formed between the outer edge of the twisting blade and the inner side of the outer barrel, and the gap can avoid the movement interference between the twisting blade and the outer barrel and avoid the operation requirement that the walnut passes through the gap; the pushing helical blade 29 is a known helical blade, the outer edge of the pushing helical blade is flush with the outer edges of the upper blade 8-1 and the lower blade 8-2, and the pitch of the pushing helical blade 29 meets the operation requirement of being capable of spirally conveying walnuts.

The stepped auger type walnut peeling machine can be further optimized or/and improved according to actual requirements:

as shown in the attached

drawings

1, 2 and 3, the outer cylinder comprises a skin cutting rod 10, a peeling rod 7, a row brush 5, a first fixing ring 25, a second fixing ring 9, a third fixing ring 6 and a fourth fixing ring 4, the first fixing ring 25, the second fixing ring 9, the third fixing ring 6 and the fourth fixing ring 4 are sequentially distributed at intervals from left to right, skin cutting rods 10 distributed in the left-right direction are fixedly installed between the first fixing ring 25 and the second fixing ring 9 at intervals along the circumference, the skin cutting rods 10 correspond to the anti-skid layer 26-2 in position, and at least one cutter 11 is fixedly installed on the inner side of the skin cutting rod 10 in the left-right direction; peeling rods 7 distributed in the left-right direction are fixedly arranged between the second fixing ring 9 and the third fixing ring 6 at intervals along the circumference, row brushes 5 capable of cleaning walnuts are fixedly arranged between the third fixing ring 6 and the fourth fixing ring 4 at intervals along the circumference, the row brushes 5 are distributed in the left-right direction, and the peeling rods 7 and the row brushes 5 correspond to the steel wire disc 26-1; impurity discharging openings capable of discharging the green husks are formed among the peel cutting rods 10, among the peeling rods 7 and among the row brushes 5. During operation, walnuts enter the feeding hole through the feeding funnel 12 and then enter the peeling cavity, the walnuts move from the feeding hole to the discharging hole under the action of the twisting blades, when the walnuts reach the corresponding peeling cavity between the corresponding anti-skid layer 26-2 and the peeling rod 10, the inner cylinder and the outer cylinder rotate relatively, the walnuts are extruded and kneaded under the action of the peeling rod 10 and the anti-skid layer 26-2, meanwhile, the walnut green husks are cut by the cutter 11, and then, the walnuts are further extruded and kneaded under the action of the anti-skid layer 26-2 and the peeling rod 10, so that part of the green husks or even all the green husks fall off; meanwhile, the leaves are twisted to change the motion trail and stress of the walnuts, and the walnuts collide with the inner cylinder and the outer cylinder in the conveying process to further remove the green husks on the surface layer of the walnuts; therefore, the walnuts enter the corresponding peeling cavities between the peeling rods 7 and the steel wire discs 26-1 while being collided and kneaded, green husks are removed under the action of the peeling rods 7 and the steel wire discs 26-1, and the removing effect of the green husks on the surface is effectively guaranteed; furthermore, the walnuts enter the corresponding peeling cavities between the row brush 5 and the steel wire disc 26-1 under the action of the twisted leaves, green husk residues on the surface layers of the walnuts are removed under the mutual extrusion and cleaning action of the row brush 5 and the steel wire disc 26-1, the cleanness of the surface layers of the walnuts is guaranteed, finally the walnuts are discharged through the discharge hole and collected, and in the process, the fallen green husks are discharged to the impurity discharge hole 24 through the impurity discharge hole. The arrangement of the cutter 11 firstly cuts the green husks to be beneficial to kneading and peeling in subsequent work, effectively improves the working efficiency and avoids the phenomenon that the green husks cannot be peeled because the green husks are not broken in the kneading process of the walnuts; the arrangement of the row brush 5 effectively ensures the walnut peeling quality. According to the requirement, the size of the impurity discharging opening is required to meet the operation requirement that the walnuts cannot fall off from the impurity discharging opening and cannot be clamped in the impurity discharging opening and cannot be separated from the impurity discharging opening; the row brush 5 is a prior known technology, and can be a nylon row brush or a metal row brush, and the hardness of the bristles of the nylon row brush can meet the green husk residue cleaning operation requirement.

As shown in the attached figures 1, 2 and 3, the outer sides of the peeling rod 10 and the peeling rod 7 are both provided with spherical or spiral or strip-shaped bulges; the skin cutting rod 10 is sleeved with a ring-shaped cutter 11, the inner side of the cutter 11 is fixedly connected with the outer side of the skin cutting rod 10, and the outer edge of the cutter 11 is provided with a blade. The convex arrangement further improves the rubbing effect of the inner barrel and the outer barrel on the walnuts, the friction force between the cutter 11 and the green husks can be effectively reduced due to the arrangement of the cutting edge of the cutter 11, the peel cutting efficiency is improved, and the peel cutting resistance is reduced. According to the requirement, the thickness of the cutting edge can meet the operation requirement of realizing skin cutting and having certain mechanical strength.

As shown in the attached figures 1 and 2, a sundries outlet device is arranged in the lower shell 2 corresponding to the lower part of the outer cylinder, a sundries outlet 24 is arranged on the lower shell 2 corresponding to the lower part of the sundries outlet device, the sundries outlet device comprises a sundries outlet driving shaft 22 and sundries outlet helical blades, the left part and the right part of the sundries outlet driving shaft 22 are respectively and rotatably arranged with the frame 1, the outer side of the impurity discharging driving shaft 22 corresponding to the lower position of the impurity discharging port is provided with an impurity discharging helical blade, the impurity discharging helical blade is positioned at the inner side of the lower shell 2, the impurity discharging helical blade comprises a left impurity discharging helical blade 21 and a right impurity discharging helical blade 23 which can convey green husks to the impurity discharging port 24, the outer side of the left part of the impurity discharging driving shaft 22 is provided with the left impurity discharging helical blade 21, the outer side of the right part of the impurity discharging driving shaft 22 is provided with the right impurity discharging helical blade 23, the rotating directions of the left impurity discharging helical blade 21 and the right impurity discharging helical blade 23 are opposite, a trash outlet 24 is arranged at the lower part of the lower shell 2 corresponding to the position between the left trash discharging helical blade 21 and the right trash discharging helical blade 23. During operation, the impurity discharging spiral blade is driven by the impurity discharging driving shaft 22 to rotate so as to convey green husks discharged from the impurity discharging port to the impurity discharging port 24, so that the green husk removing operation efficiency is effectively improved, and the green husks are prevented from being blocked in the lower shell 2. In addition, the rotating directions of the left impurity discharging spiral blade 21 and the right impurity discharging spiral blade 23 are opposite, and during operation, green husks at the left part and the right part of the lower shell 2 are conveyed to the impurity discharging port 24, so that the conveying efficiency is also effectively improved.

As shown in fig. 1, a driven wheel 18, a first gear 17 and a second gear 28 are fixedly mounted on the outer side of the impurity discharging driving shaft 22 from left to right in sequence, a third gear 15 is fixedly mounted on the left portion of the rotating shaft 14, and the first gear 17 and the third gear 15 are connected together in a transmission manner; a gear ring 16 is fixedly arranged on the outer side of the left part of the first fixed ring 25, and the gear ring 16 is in transmission connection with a second gear 28; a driving motor 19 is fixedly arranged on the machine frame 1 corresponding to the lower position of the discharging hopper, a driving wheel 30 is fixedly arranged on an output shaft of the driving motor 19, and the driving wheel 30 is in transmission connection with a driven wheel 18; the lower part of the frame 1 is fixedly provided with a travelling wheel 20. In operation, the driving motor 19 drives the impurity discharging driving shaft 22 to rotate, and the impurity discharging driving shaft 22 also drives the inner cylinder and the outer cylinder to rotate respectively in the rotating process, so that the inner cylinder, the outer cylinder and the impurity discharging device are driven respectively, and the structure of the invention is more compact. During this operation, the rotation directions of the inner cylinder and the outer cylinder are the same, and when the rotation directions of the inner cylinder and the outer cylinder are opposite to each other, the chain between the ring gear 16 and the second gear 28 is detached, the second gear 28 is replaced with a gear capable of meshing with the ring gear 16, and the drive of the ring gear 16 is converted into gear drive by the chain drive, thereby changing the rotation direction of the ring gear 16. Meanwhile, the transmission ratio of the second gear 28 to the gear ring 16, the first gear 17 and the third gear 15 can be adjusted according to actual operation, so that the purpose of adjusting the relative rotation speed of the inner cylinder and the outer cylinder is achieved, and the optimal operation state is achieved. The drive motor 19 is conventional and may be of the type Y100L2-4, as desired.

As shown in fig. 1 and 4, the left part of the inner cylinder is in a circular truncated cone shape with a small left part and a large right part. From this can make the peeling chamber left part space diminish from left to right gradually, not only be favorable to the walnut to get into the peeling chamber smoothly, avoid the walnut to block up in feed inlet department, also make the walnut receive the kneading extrusion force crescent of inner tube and urceolus after getting into the peeling chamber simultaneously, effectively improved walnut peeling efficiency.

As shown in FIG. 1, a feeding screw blade 13 is provided outside the rotary shaft 14 corresponding to the lower portion of the feeding hopper 12. From this accessible feeding helical blade 13 is carried the walnut, has effectively improved feeding efficiency, avoids the walnut to take place to block up and can't get into the problem emergence of peeling off the chamber smoothly in feed hopper 12.

As shown in FIGS. 1 and 4, the anti-slip layer 26-2 is a grid anti-slip layer or a raised anti-slip layer. Therefore, the friction force between the inner barrel and the walnuts can be effectively increased, the walnuts are further kneaded, and the peeling effect is enhanced. According to the requirement, the grid anti-skid layer is the prior known technology, the shape of the grid can be round, square, triangular or rhombic, and the like, but the size of the grid can meet the operation requirement that the walnut cannot be clamped in the grid and cannot fall off or enter the inner cylinder through the grid; the anti-slip layer of the bulges is the prior known technology, the shape of the bulges can be a sphere, a cone or a cylinder, but the sizes of the bulges are required to meet the operation requirement that walnuts cannot be clamped between adjacent bulges and cannot fall off or the bulges are interfered with the outer cylinder in motion.

As shown in figure 1, a water spray pipe 32 capable of spraying water into the peeling cavity is arranged on the inner side of the upper part of the upper shell 3 along the left-right direction, the water inlet part of the water spray pipe 32 penetrates through the upper shell 3 and is positioned on the outer side of the upper shell 3, and a handle 31 is arranged on the outer side of the upper part of the upper shell 3. Therefore, water can be sprayed into the peeling cavity through the water spraying pipe 32 in the operation process, and water flow enters the peeling cavity through the impurity discharging port in the rotation process of the outer cylinder, so that walnuts can be peeled and cleaned at the same time, and the peeling rate of the walnuts is further improved. In addition, the handle 31 is provided to facilitate the installation of the upper case 3 and the inspection of the internal structure of the present invention, and facilitate the work.

As shown in fig. 1, 2 and 3, the frames corresponding to the lower parts of the left part and the right part of the outer cylinder are respectively provided with riding wheels 27 distributed at intervals along the front-back direction, the riding wheels 27 are fixedly installed with the frames and can rotate, and the outer cylinder is seated on the corresponding riding wheels 27 and can rotate. During operation, the first fixing ring 25 and the fourth fixing ring 4 are respectively arranged on the corresponding riding wheels 27, so that the outer barrel is supported and can be guaranteed to rotate in the operation process, ring platforms can be arranged on the left side of the first fixing ring 25 and the right side of the fourth fixing ring 4 respectively according to needs, and the ring platforms are arranged on the riding wheels 27, so that the axial positioning of the outer barrel can be realized.

The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims

1. A ladder auger type walnut peeling machine is characterized by comprising a rack, a shell, a peeling device, a feeding hopper and a sundry discharging device, wherein the shell which is arranged in the left-right direction is fixedly arranged at the upper part of the rack; the peeling machine comprises a frame, a peeling device and a discharging barrel, wherein the frame is arranged at a position corresponding to the inner side of the frame, the peeling device comprises an inner barrel and an outer barrel which can be matched with the inner barrel to rub and peel, the outer barrel is arranged at the upper part of the frame in the left-right direction and can rotate, at least one impurity discharging port which can discharge green husks and can not allow walnuts to pass through is arranged at the outer side of the outer barrel in the left-right direction, the inner barrel is sleeved at the inner side of the outer barrel and can rotate together with the frame, a peeling cavity which is communicated left and right is formed by the outer side of the inner barrel and the inner side of the outer barrel together, the left opening of the peeling cavity is a feeding port, the right opening of the peeling cavity is a discharging port, the right part of the lower frame corresponding to the position of the discharging port is provided with the discharging barrel, a feeding hopper with an upward opening is fixedly arranged on the frame corresponding to the left position of the feeding port, and an outlet communicated with the feeding port is arranged at the right side of the lower part of the feeding hopper; the inner barrel comprises a roller and a twisting blade, a rotating shaft is coaxially and fixedly mounted on the roller, the left part and the right part of the rotating shaft are respectively rotatably mounted with the rack, an anti-skid layer is arranged on the outer side of the left part of the roller, a steel wire disc is fixedly mounted on the outer side of the right part of the roller, the twisting blade capable of conveying walnuts from a feed port to a discharge port is fixedly mounted on the outer side of the roller in the left-right direction, the left part of the twisting blade is positioned on the outer side of the anti-skid layer, and the right part of the twisting blade is positioned on the outer side of the steel wire disc; the twisting blade comprises a pushing spiral blade and blades, the blades comprise an upper blade and a lower blade, the upper blade is in a fan ring shape with a downward opening, the lower blade is in a fan ring shape with an upward opening, at least two upper blades are fixedly installed on the upper part of a roller at intervals along the left-right direction, a lower blade is fixedly installed on the lower part of the roller corresponding to the position between every two adjacent upper blades, the upper end of the front part of each lower blade and the lower end of the front part of the upper blade adjacent to the left side of the lower blade are fixedly connected together through the pushing spiral blade, and the upper end of the rear part of each lower blade and the lower end of the rear part of the upper blade adjacent to the right side of the lower blade are fixedly connected together through the pushing spiral blade; the lower shell corresponding to the lower part of the outer cylinder is provided with a sundry outlet.

2. The ladder auger type walnut sheller of claim 1, wherein the outer barrel comprises a peeling rod, a shelling rod, a row brush, a first fixing ring, a second fixing ring, a third fixing ring and a fourth fixing ring, the first fixing ring, the second fixing ring, the third fixing ring and the fourth fixing ring are sequentially distributed at intervals from left to right, the peeling rods distributed in the left-right direction are fixedly installed between the first fixing ring and the second fixing ring at intervals along the circumference, the peeling rods correspond to the anti-skid layer in position, and at least one cutter is fixedly installed on the inner side of each peeling rod in the left-right direction; peeling rods distributed in the left-right direction are fixedly arranged between the second fixing ring and the third fixing ring at intervals along the circumference, row brushes capable of cleaning walnuts are fixedly arranged between the third fixing ring and the fourth fixing ring at intervals along the circumference, the row brushes are distributed in the left-right direction, and the peeling rods and the row brushes correspond to the positions of the steel wire discs; impurity discharging openings capable of discharging the green husks are formed among the peel cutting rods, among the peeling rods and among the row brushes.

3. The stepped auger type walnut sheller of claim 2 wherein the outer sides of the peeling bars and the skin cutting bars are provided with spherical or spiral or strip-shaped protrusions; the skin cutting rod is sleeved with a cutter in an annular shape, the inner side of the cutter is fixedly connected with the outer side of the skin cutting rod, and the outer edge of the cutter is provided with a blade.

4. The ladder auger type walnut sheller of claim 1, 2 or 3 wherein the lower shell at a position corresponding to the lower part of the outer cylinder is provided with a trash extractor, the lower shell corresponding to the lower part of the impurity discharging device is provided with an impurity discharging port, the impurity discharging device comprises an impurity discharging driving shaft and an impurity discharging helical blade, the left part and the right part of the impurity discharging driving shaft are respectively rotatably arranged with the frame, the outer side of the impurity discharging driving shaft corresponding to the lower part of the impurity discharging port is provided with an impurity discharging helical blade, the impurity discharging helical blade is positioned at the inner side of the lower shell and comprises a left impurity discharging helical blade and a right impurity discharging helical blade which can convey green husks to the impurity discharging port, the outer side of the left part of the impurity discharging driving shaft is provided with the left impurity discharging helical blade, the outer side of the right part of the impurity discharging driving shaft is provided with the right impurity discharging helical blade, the rotating directions of the left impurity discharging helical blade and the right impurity discharging helical blade are opposite, the lower part of the lower shell corresponding to the position between the left impurity-discharging helical blade and the right impurity-discharging helical blade is provided with an impurity-discharging port.

5. The stepped auger type walnut peeling machine as claimed in claim 4, wherein a driven wheel, a first gear and a second gear are fixedly mounted on the outer side of the impurity discharging driving shaft from left to right in sequence, a third gear is fixedly mounted on the left portion of the rotating shaft, and the first gear and the third gear are connected together in a transmission manner; a gear ring is fixedly arranged on the outer side of the left part of the first fixing ring, and the gear ring is in transmission connection with a second gear; a driving motor is fixedly arranged on the machine frame corresponding to the position below the discharging hopper, a driving wheel is fixedly arranged on an output shaft of the driving motor, and the driving wheel and the driven wheel are connected together in a transmission way; the lower part of the frame is fixedly provided with a travelling wheel.

6. The ladder auger type walnut peeling machine as claimed in claim 1, 2, 3 or 5, wherein the left part of the inner barrel is in a shape of a truncated cone with a small left part and a large right part.

7. The stepped auger type walnut sheller of claim 4 wherein the left portion of the inner drum is in the shape of a truncated cone with a smaller left portion and a larger right portion.

8. The stepped auger type walnut sheller of claim 1, 2, 3, 5 or 7 wherein the outer side of the rotating shaft corresponding to the lower part of the feeding hopper is provided with a feeding helical blade; or/and the anti-skid layer is a grid anti-skid layer or a raised anti-skid layer; or/and a water spray pipe capable of spraying water into the peeling cavity is arranged on the inner side of the upper part of the upper shell along the left-right direction, a water inlet part of the water spray pipe penetrates through the upper shell and is positioned on the outer side of the upper shell, and a handle is arranged on the outer side of the upper part of the upper shell; or/and riding wheels which are distributed at intervals along the front-back direction are arranged on the machine frame corresponding to the positions below the left part and the right part of the outer cylinder, the riding wheels are fixedly installed together with the machine frame and can rotate, and the outer cylinder is seated on the corresponding riding wheels and can rotate.

9. The stepped auger type walnut sheller of claim 4 wherein the outer side of the rotating shaft corresponding to the lower portion of the feed hopper is provided with a feed screw blade; or/and the anti-skid layer is a grid anti-skid layer or a raised anti-skid layer; or/and a water spray pipe capable of spraying water into the peeling cavity is arranged on the inner side of the upper part of the upper shell along the left-right direction, a water inlet part of the water spray pipe penetrates through the upper shell and is positioned on the outer side of the upper shell, and a handle is arranged on the outer side of the upper part of the upper shell; or/and riding wheels which are distributed at intervals along the front-back direction are arranged on the machine frame corresponding to the positions below the left part and the right part of the outer cylinder, the riding wheels are fixedly installed together with the machine frame and can rotate, and the outer cylinder is seated on the corresponding riding wheels and can rotate.

10. The stepped auger type walnut sheller of claim 6 wherein the outer side of the rotating shaft corresponding to the lower portion of the feed hopper is provided with a feed screw blade; or/and the anti-skid layer is a grid anti-skid layer or a raised anti-skid layer; or/and a water spray pipe capable of spraying water into the peeling cavity is arranged on the inner side of the upper part of the upper shell along the left-right direction, a water inlet part of the water spray pipe penetrates through the upper shell and is positioned on the outer side of the upper shell, and a handle is arranged on the outer side of the upper part of the upper shell; or/and riding wheels which are distributed at intervals along the front-back direction are arranged on the machine frame corresponding to the positions below the left part and the right part of the outer cylinder, the riding wheels are fixedly installed together with the machine frame and can rotate, and the outer cylinder is seated on the corresponding riding wheels and can rotate.