Pistachio nut sheller

By controlling the feeding speed with a linear vibrator and adjusting the shelling gap with a sliding hopper, the problems of feeding blockage and kernel breakage in pistachio shelling machines are solved, improving the shelling efficiency and durability of the equipment.

CN223681936UActive Publication Date: 2025-12-19JINZHOU QIAOPAI MACHINERIES +1
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Patent Information

Application Number
CN202520543401.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-19
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The existing pistachio shelling machine has an unadjustable feeding speed, which easily causes blockages and a fixed shelling gap, resulting in kernel breakage and damage to the sand roller.

Method used

The feeding speed is controlled by a linear vibrator, the shell-breaking gap is adjusted by a sliding bin and a lead screw adjusting pair, and a pressure spring is used to prevent hard impurities from entering. It is designed with a dustpan-shaped feeding tray and a guide hopper structure.

Benefits of technology

It achieves adjustable feeding speed, avoids clogging and nut breakage, reduces sand roller wear, and improves shelling efficiency and equipment durability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223681936U_ABST
    Figure CN223681936U_ABST
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Abstract

A pistachio nut huller comprises a base, an emery roll and a hull breaking emery block are arranged on the base, a driving motor is arranged on one side of the base, the driving motor is in transmission connection with the emery roll, a storage hopper is installed on the base through a rack, and the pistachio nut huller is characterized in that a linear vibrator is fixed to the position, below the storage hopper, in the rack, and a feeding disc is fixed to the linear vibrator; a guide hopper is vertically arranged at one end of the discharge port of the feeding disc in the rack, the guide hopper is wide in top and narrow in bottom, and the discharge port in the lower end corresponds to the space between the emery roll and the shell breaking emery block; a sliding bin is installed on the base and located on one side of the emery roll through a pair of sliding pairs in a sliding mode, the shell breaking emery block is arranged in the sliding bin in a sliding fit mode, and a plurality of pressure springs are evenly distributed between the shell breaking emery block and a rear baffle of the sliding bin. An adjusting seat is arranged on the base and located on the outer side of the rear baffle of the sliding bin, and a lead screw adjusting pair is arranged between the adjusting seat and the rear baffle of the sliding bin. The feeding speed of the huller is adjustable, the hulling effect is good, and the hull breaking gap is convenient to adjust.
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Description

TECHNICAL FIELD

[0001] The utility model relates to food processing equipment, in particular to a pistachio shelling machine. BACKGROUND

[0002] At present, in the field of food processing, the shelling machine is usually used to replace manual operation to process the food with shell, so as to improve the shelling efficiency. For example, walnut shelling machine, pistachio shelling machine, etc.

[0003] The existing pistachio shelling device shelling pistachios by the cooperation of sand roller and shell breaking sand block, the raw materials are directly introduced into the sand roller and shell breaking sand block through the feeding hopper arranged on the machine body, the feeding speed cannot be adjusted, and the pistachios are easy to be blocked between the sand roller and shell breaking sand block, which causes the pistachios to be damaged due to mutual extrusion.

[0004] Secondly, the sand roller and shell breaking sand block are fixed on the machine body, and it is inconvenient to adjust the shell breaking gap between the sand roller and shell breaking sand block. Once the hard impurities such as stones are mixed in the raw materials and enter the shelling machine to damage the sand roller. TECHNICAL CONTENT

[0005] The utility model provides a kind of pistachio shelling machine, which is adjustable in feeding speed, has good shelling effect and is convenient to adjust shell breaking gap.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of pistachio shelling machine, including base, sand roller and shell breaking sand block are arranged on the base, drive motor is arranged on one side of the base, drive motor is connected with sand roller, storage hopper is installed on the top of base through rack, its special feature is: linear vibrator is fixed below storage hopper in rack, feeding tray is fixed on linear vibrator, feeding tray is like a scoop and horizontally arranged;Guide hopper is arranged in vertical direction at one end of discharge port of feeding tray in rack, guide hopper is wide at top and narrow at bottom, and the discharge port at lower end corresponds to the space between sand roller and shell breaking sand block, for guiding the raw materials sent by feeding tray into the space between sand roller and shell breaking sand block;

[0008] A sliding bin is slidably installed on one side of base through a pair of sliding pairs, shell breaking sand block is arranged in sliding bin through sliding cooperation, a plurality of pressure springs are evenly arranged between shell breaking sand block and rear baffle of sliding bin, for realizing elastic extrusion of shell breaking sand block;

[0009] Adjusting seat is arranged on the outside of rear baffle of sliding bin on base, screw adjusting pair is arranged between adjusting seat and rear baffle of sliding bin, for adjusting the position of sliding bin.

[0010] As a further optimization, the sand roller comprises a center shaft, a sand wheel sleeve is sleeved on the center shaft, and two clamping sleeves are located at two ends of the sand wheel sleeve, one of the clamping sleeves is abutted against a shaft shoulder of the center shaft, and two locking nuts are arranged outside the other clamping sleeve on the center shaft and used for fastening the sand wheel sleeve on the center shaft.

[0011] As a further optimization, the sliding bin comprises a bottom plate arranged on a pair of sliding pairs, the rear baffle is fixed on the bottom plate, two Z-shaped limiting plates are symmetrically fixed inside the rear baffle, the shell-breaking sand block is slidably arranged between the two limiting plates, and three compression springs are arranged on the rear baffle and sleeved on corresponding pin shafts.

[0012] As a further optimization, a material blocking plate is fixed on the rear baffle of the sliding bin through a pressing plate, and the material blocking plate is buckled outside the limiting plate at two ends, so as to block the falling raw materials.

[0013] As a further optimization, two positioning plates are symmetrically arranged on the base and located at two sides of the adjusting seat, a positioning lead screw is threadedly connected to each positioning plate, and a front end of the positioning lead screw is abutted against the rear baffle of the sliding bin, so as to realize the limiting of the sliding bin after adjustment.

[0014] As a further optimization, the lower part of the storage hopper is in Y-shaped cross section, which is wide at the top and narrow at the bottom, and the outlet is away from one end of the feeding disc corresponding to the discharge port.

[0015] The utility model discloses the beneficial effects are:

[0016] 1. The linear vibrator is fixed below the storage hopper in the rack, the feeding disc is fixed on the linear vibrator, and the feeding disc is in the shape of a scoop and horizontally arranged. The feeding speed of the feeding disc can be controlled by controlling the vibration frequency of the linear vibrator, so that the raw materials fall into the space between the sand roller and the shell-breaking sand block through the guide hopper stably and uniformly, and the shelling effect is improved. The pistachio nuts can be prevented from being blocked between the sand roller and the shell-breaking sand block and being squeezed to cause the damage of the kernel.

[0017] 2. The adjusting seat is arranged outside the rear baffle of the sliding bin on the base, the lead screw adjusting pair is arranged between the adjusting seat and the rear baffle of the sliding bin, the position of the sliding bin can be adjusted through the lead screw adjusting pair, so that the shelling gap between the shell-breaking sand block and the sand roller is adjusted, and the adjustment is convenient. A plurality of compression springs are uniformly arranged between the shell-breaking sand block and the rear baffle of the sliding bin, the shell-breaking sand block can be elastically squeezed, the hard impurities such as stones mixed in the raw materials can be prevented from entering the shelling machine to damage the sand roller, and the abrasion of the shell-breaking sand block during shelling is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 is Figure 1 a top view.

[0020] Figure 3 is Figure 1 an A-A sectional view of

[0021] Figure 4 is Figure 1 a B-B sectional view of

[0022] Figure 5 is a perspective view of the utility model.

[0023] In the drawing: base 1, sliding bin 2, sliding pair 3, bearing seat 4, sand roller 5, belt drive mechanism 6, driving motor 7, rack 8, guide hopper 9, feeding disc 10, storage hopper 11, positioning plate 12, shell breaking sand block 13, pressure spring 14, adjusting seat 15, screw adjusting pair 16, pressing plate 17, material blocking plate 18, linear vibrator 19, positioning screw 20. DETAILED DESCRIPTION

[0024] As Figures 1-5 shown, the utility model relates to a pistachio nut sheller, including a base 1, the base 1 is the rectangular frame welded by four channel steels, along the longitudinal direction on base 1, through a pair of bearing seats 4 and bearing, sand roller 5 is installed, on the side of base 1, driving motor 7 is fixed through the welded motor base, driving motor 7 is connected with sand roller 5 through belt drive mechanism 6 transmission, for driving sand roller 5 rotation.

[0025] The sand roller 5 includes center shaft 501, sand wheel sleeve 502 is fixed on center shaft 501 through two clamping sleeves 503, two clamping sleeves 503 are located at both ends of sand wheel sleeve 502 respectively, one clamping sleeve 503 leans on the shoulder of center shaft 501, two locking nuts 504 are connected on the outside of another clamping sleeve 503 on center shaft 501 through screw thread, for fastening sand wheel on center shaft 501. The material of sand wheel sleeve 502 is brown corundum.

[0026] Rack 8 is fixed on the top of base 1 through screw, storage hopper 11 is fixedly installed on the upper end of rack 8, linear vibrator 19 is fixed in the rack below storage hopper 11 through rubber damping sleeve and screw, feeding disc 10 is fixed on linear vibrator 19 through screw, feeding disc 10 is like a scoop and horizontally arranged; guide hopper 9 is arranged in the vertical direction at the material outlet end of feeding disc 10 in the rack, the cross section of guide hopper 9 is the broken line shape of upper wide and lower narrow, and the material outlet at the lower end corresponds between sand roller 5 and shell breaking sand block 13, for guiding the raw material sent by feeding disc 10 into between sand roller 5 and shell breaking sand block 13.

[0027] The lower part of the hopper 11 is in Y shape with the upper part wider than the lower part, and the outlet is away from the end of the feeding disc 10.

[0028] A sliding bin 2 is slidably arranged on the base 1 on one side of the sand roller 5 through a pair of sliding pairs 3 arranged symmetrically, and the shell breaking sand block 13 is slidably arranged in the sliding bin 2. A plurality of pressure springs 14 are arranged between the shell breaking sand block 13 and the rear baffle 202 of the sliding bin 2, for elastically extruding the shell breaking sand block 13, preventing hard impurities such as stones in the raw materials from damaging the sand roller 5, and reducing the wear of the shell breaking sand block 13 during shelling. The shell breaking sand block 13 is made of the same material as the sand wheel sleeve 502.

[0029] The sliding bin 2 comprises a bottom plate 201 arranged on the pair of sliding pairs, and the rear baffle 202 is fixed on the bottom plate through screws. Two Z-shaped limiting plates 203 are symmetrically fixed on the inner side of the rear baffle 202 through screws, and the shell breaking sand block 13 is slidably arranged between the two limiting plates 203. Three pin shafts are arranged on the rear baffle 202, and the three pressure springs 14 are respectively sleeved on the corresponding pin shafts and abut against the shell breaking sand block 13.

[0030] The material blocking plate 18 is fixed on the rear baffle 202 of the sliding bin 2 through the pressing plate 17 and the screws. One side of the material blocking plate 18 is in a groove type and is buckled on the outer side of the limiting plate 203 at both ends, for blocking the falling raw materials, so that the raw materials fall between the sand roller 5 and the shell breaking sand block 13.

[0031] The adjusting seat 15 is fixed on the middle part of the rear baffle 202 of the sliding bin 2 on the base 1 through screws, and the screw adjusting pair 16 is arranged between the adjusting seat 15 and the rear baffle 202 of the sliding bin 2. The screw rod of the screw adjusting pair 16 is rotatably arranged on the adjusting seat and has a hand wheel fixed on the outer end. The nut of the screw adjusting pair 16 is fixed on the rear baffle 202 of the sliding bin 2, for adjusting the position of the sliding bin 2.

[0032] The two positioning plates 12 are symmetrically welded on both sides of the adjusting seat 15 on the base 1, and the positioning screw rods 20 are respectively connected through threads on the positioning plates 12. The front ends of the positioning screw rods 20 abut against the rear baffle of the sliding bin 2, for limiting the position of the sliding bin 2 after adjustment.

[0033] In use, the driving motor and the linear vibrator 19 are started, the driving motor drives the sand roller 5 to rotate rapidly after starting, and the linear vibrator 19 drives the feeding disc 10 to reciprocate after starting, so that the pistachio raw materials are put into the storage hopper 11, the raw materials fall into the feeding disc 10 through the storage hopper 11, and the raw materials fall into the guide hopper 9 through the reciprocating vibration of the feeding disc 10 and fall into the space between the sand roller 5 and the hull-breaking sand block 13 through the guide hopper 9, and the raw materials are dehulled through the friction and extrusion between the sand roller 5 and the hull-breaking sand block 13 along with the rapid rotation of the sand roller 5. The elastic extrusion of the pressure spring 14 to the hull-breaking sand block 13 during dehulling can prevent hard impurities such as stones in the raw materials from damaging the sand roller 5.

[0034] When the size of the raw materials changes and the dehulling gap needs to be adjusted during dehulling, the handle of the rotating screw adjusting pair 16 is adjusted, the sliding bin 2 is driven to slide along the sliding pair, the hull-breaking sand block 13 is driven to move close to or away from the sand roller 5, the adjustment is convenient, and the dehulling effect is ensured.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pistachio shelling machine, comprising a base, a sand roller and shell-breaking sand blocks mounted on the base, a drive motor mounted on one side of the base and connected to the sand roller, and a storage hopper mounted on the base via a frame, characterized in that: A linear vibrator is fixed below the storage hopper in the frame, and an upper feeding disc is fixed on the linear vibrator, which is in the shape of a scoop and horizontally arranged; a guide hopper is arranged in the frame at the end of the discharge port of the upper feeding disc in the vertical direction, which is wide at the top and narrow at the bottom, and the discharge port at the lower end corresponds to the space between the sand roller and the shell breaking sand block, for guiding the raw materials discharged from the upper feeding disc into the space between the sand roller and the shell breaking sand block; A sliding bin is slidably mounted on the base on the side of the sand roller through a pair of sliding pairs, the shell breaking sand block is arranged in the sliding bin through sliding fit, a plurality of pressure springs are arranged between the shell breaking sand block and the rear baffle of the sliding bin, for realizing the elastic extrusion of the shell breaking sand block; An adjusting seat is arranged on the base outside the rear baffle of the sliding bin, and a lead screw adjusting pair is arranged between the adjusting seat and the rear baffle of the sliding bin, for adjusting the position of the sliding bin.

2. The pistachio sheller of claim 1, wherein: The sand roller comprises a center shaft, a sand wheel sleeve and two clamping sleeves are sleeved on the center shaft, the two clamping sleeves are located at the two ends of the sand wheel sleeve, one of the clamping sleeves abuts against the shaft shoulder of the center shaft, two locking nuts are arranged on the center shaft outside the other clamping sleeve, for fastening the sand wheel sleeve on the center shaft.

3. The pistachio nut sheller of claim 1, wherein: The sliding bin comprises a bottom plate arranged on a pair of sliding pairs, the rear baffle is fixed on the bottom plate, two Z-shaped limiting plates are symmetrically fixed on the inner side of the rear baffle, the shell breaking sand block is slidably mounted between the two limiting plates, three pin shafts are arranged on the rear baffle, and the pressure springs are three and are sleeved on the corresponding pin shafts.

4. The pistachio sheller of claim 3, wherein: A material blocking plate is fixed on the rear baffle of the sliding bin through a pressing plate, the two ends of the material blocking plate are buckled on the outer side of the limiting plate, for blocking the falling raw materials.

5. The pistachio sheller according to any one of claims 1-4, characterized in that Two positioning plates are symmetrically arranged on the base on the two sides of the adjusting seat, a positioning lead screw is threadedly connected on each positioning plate, the front end of the positioning lead screw abuts against the rear baffle of the sliding bin, for realizing the limiting of the sliding bin after adjustment.

6. The pistachio nut sheller of claim 1, wherein: The lower part of the storage hopper is in the shape of Y, which is wide at the top and narrow at the bottom, and the outlet corresponds to the end of the upper feeding disc away from the discharge port.