Precise, efficient and automatic shelling method for bamboo shoots

Abstract

According to the accurate, efficient and automatic bamboo shoot husking method, automatic operation of bamboo shoot feeding, uniform dispersing, husking and bamboo shoot collecting after husking can be achieved, and the method has the advantages of being simple in process and used equipment, stable and reliable in performance and the like. The method comprises the following steps: a, bamboo shoot feeding: uniformly conveying steamed and cooled bamboo shoots to a higher end of an inclined dispersion plate; b, vibration material distribution: the dispersion plate vibrates, so that the bamboo shoots are vibrated and dispersed, uniformly move downwards along the dispersion plate, and enter the upper part of the higher end of an inclined shelling roller group corresponding to each notch at the lower end of the dispersion plate through the notch; c, automatic shelling: at least one pair of oppositely rotating shelling rollers in the shelling roller group grabs the bamboo shoot shells, the bamboo shoots are rotationally shelled, the bamboo shoot shells fall off between the oppositely rotating shelling rollers, and the shelled bamboo shoots gradually move to the lower ends on the shelling rollers; and d, automatic discharging: the hulled bamboo shoots fall onto a movable feeding belt from the lower end of the hulling roller to be conveyed.

Description

Technical Field

[0001] The present invention belongs to the technical field of bamboo shoot processing, and relates to a bamboo shoot shelling technology and a device thereof during the processing and production of medium and small diameter bamboo shoots, and in particular to a precise and efficient shelling method and a device thereof suitable for small and medium diameter bamboo shoots after steaming and cooking. Background Art

[0002] Bamboo shoots are an important edible agricultural product with high nutritional and economic value. In the processing of bamboo shoots, shelling is an indispensable link, which directly affects the efficiency of subsequent processing and product quality. The traditional method of shelling bamboo shoots mainly relies on manual operation, and there are the following prominent problems: manual shelling is inefficient, the traditional manual shelling method is labor-intensive, workers are easily fatigued, and the production capacity per unit time is limited. Generally, skilled workers can only process 50-100kg of bamboo shoots per hour, which is difficult to meet the needs of modern large-scale production. The labor cost is high. Due to the seasonal and labor-intensive characteristics of shelling work, the labor cost remains high, and it is difficult to recruit workers, which seriously restricts the development of the bamboo shoot processing industry. The product quality is unstable, manual shelling can easily cause damage to the bamboo shoots, and it is affected by the technical level of the operator. The product quality is uneven, and it is difficult to ensure a unified product standard.

[0003] At present, there are some mechanized shelling equipment on the market, but they generally have the following shortcomings:

[0004] Poor adaptability. Existing equipment has strict requirements on the specifications of bamboo shoots, and it is difficult to adapt to bamboo shoots of different varieties and sizes, and has poor versatility. The shelling precision is insufficient, and mechanical shelling often has problems such as incomplete shelling or excessive shelling, resulting in a high rework rate in the subsequent process, affecting production efficiency. The damage rate is high. Existing equipment mostly uses rough mechanical methods to shell, which can easily cause scratches or breaks on the surface of the bamboo shoots, affecting product quality and commodity value. The degree of automation is low. Most equipment still requires manual loading, adjustment and other operations, and has failed to achieve true automated production.

[0005] With the rapid development of the bamboo shoot processing industry and the continuous rise in labor costs, the market urgently needs a technology and equipment that can achieve accurate, efficient and automated bamboo shoot shelling, so as to improve production efficiency, reduce production costs, ensure product quality, and promote industrial transformation and upgrading.

[0006] Therefore, developing a bamboo shoot peeling technology and equipment with strong adaptability, high precision, low damage rate and high automation has important practical significance and market value. The present invention is proposed in this context, aiming to solve the problems existing in the prior art and provide a better technical solution for the bamboo shoot processing industry. Summary of the invention

[0007] The invention provides a method for accurately and efficiently automatically shelling bamboo shoots, which can realize the automated operations of bamboo shoot loading, uniform dispersion, shelling, and bamboo shoot collection after shelling, and can shell the bamboo shoots accurately and efficiently, and has the advantages of high bamboo shoot shelling rate and integrity rate, simple process and equipment, stable and reliable performance, etc.

[0008] The method for accurately and efficiently automatically peeling bamboo shoots of the present invention comprises the following steps:

[0009] a. Bamboo shoot loading: The steamed and cooled bamboo shoots are evenly transported to the higher end of the inclined dispersion plate;

[0010] b. Vibration distribution: The dispersion plate vibrates, causing the bamboo shoots to vibrate and disperse, and move evenly downward along the dispersion plate, and enter the upper side of the inclined shelling roller group corresponding to the notch through each notch at the lower end of the dispersion plate;

[0011] c. Automatic shelling: At least one pair of shelling rollers rotating in opposite directions in the shelling roller group grabs the bamboo shoot shells and shells the bamboo shoots by rotation. The bamboo shoot shells fall between the shelling rollers rotating in opposite directions, and the shelled bamboo shoots gradually move to the lower end on the shelling rollers;

[0012] d. Automatic discharging: The shelled bamboo shoots fall from the lower end of the shelling roller onto the moving feeding belt for transportation.

[0013] The above-mentioned accurate and efficient automatic bamboo shoot peeling method also includes the steps of:

[0014] e. Waste recovery: The bamboo shoot shells fall onto the moving waste recovery belt and are transported to the waste recovery bin.

[0015] In the above-mentioned accurate and efficient automatic shelling method for bamboo shoots, in the automatic shelling in step c, the bamboo shoots on the shelling roller are moved so that the bamboo shoots are parallel to the axial direction of the shelling roller.

[0016] In the above-mentioned accurate and efficient automatic shelling method for bamboo shoots, in step b of vibration distribution, the bamboo shoots are guided when they pass through the slots, so that the bamboo shoots fall vertically along the dispersion rod parallel to the axial direction of the shelling roller.

[0017] In the above-mentioned accurate and efficient automatic bamboo shoot peeling method, in step b of vibration distribution, the speed at which the bamboo shoots are dispersed and dropped is adjusted by controlling the vibration frequency of the dispersion plate.

[0018] The above-mentioned accurate and efficient automatic bamboo shoot shelling method is provided with a quality sensor on the dispersion plate for detecting the quality of the bamboo shoots falling onto the dispersion plate, the vibration frequency of the dispersion plate is controlled according to the quality of the bamboo shoots detected by the quality sensor, the speed at which the bamboo shoots are dispersed and fallen is adjusted, and the rotation speed of the shelling roller is controlled according to the quality of the bamboo shoots detected by the quality sensor.

[0019] The above-mentioned accurate and efficient automatic bamboo shoot peeling method uses a peeling device to achieve automatic peeling;

[0020] The shelling device comprises a lever structure and a plurality of inclined shelling roller groups; each shelling roller group comprises at least four shelling rollers which are arranged in sequence from left to right and are parallel to each other and rotate independently, and the rotation directions of two adjacent shelling rollers are opposite, and the shelling roller on the far left rotates clockwise; each shelling roller is provided with a plurality of spiral rubber rollers along the axial direction, and a blade is fixed on the shelling roller between the ends of two opposite spiral rubber rollers; the blade has a tip which radially extends outward and exceeds the outer diameter of the spiral rubber roller;

[0021] The lever structure includes a lever located above the shelling roller group, extending perpendicularly to the axial direction of the shelling roller and moving parallel to the axial direction of the shelling roller. The lever has a plurality of downwardly extending lever blocks, each of which is located above the middle of two shelling rollers rotating in opposite directions.

[0022] The above-mentioned accurate and efficient automatic bamboo shoot peeling method uses a vibration dispersing device to achieve vibration distribution;

[0023] The vibration dispersion device comprises a dispersion plate which vibrates under the drive of a vibration motor, the dispersion plate is in an inclined state, and its lower end has a plurality of notches, each notch is communicated with the upper part of the higher end of a shelling roller group; a dispersion rod is arranged in the notch of the dispersion plate so that the bamboo shoots fall vertically along the axial direction parallel to the shelling roller; the dispersion plate is elastically supported on the vibration frame by springs, and a vibration motor is fixed on the bottom surface of the dispersion plate; a quality sensor is installed under the dispersion plate for detecting the quality of the bamboo shoots on the dispersion plate, and the quality sensor is electrically connected to the vibration motor to control the vibration frequency of the vibration motor and adjust the speed at which the bamboo shoots are dispersed and fall.

[0024] In order to realize the above-mentioned accurate and efficient automatic bamboo shoot peeling method, a bamboo shoot peeling machine is used, which includes a feeding device, a vibration dispersion device, a peeling device, a discharging device, and a waste recovery device;

[0025] A feeding device for conveying the bamboo shoots upward onto a dispersing plate in the vibrating dispersing device;

[0026] The discharging device is arranged at the lower part of the lower end of the shelling roller group, and is used to receive the shelled bamboo shoots dropped from the shelling roller after passing through the shelling device, and transport them;

[0027] The waste recovery device is arranged below the shelling roller group and is used for receiving the bamboo shoot rinds dropped from between the adjacent shelling rollers and conveying them.

[0028] In the above-mentioned bamboo shoot shelling machine, in the shelling device, the shelling roller groups are separated by baffles; there are multiple gear transmission boxes with the same number as the shelling roller groups, and each shelling roller in each shelling roller group is provided with gears that mesh in sequence, one of the shelling rollers is connected to the output shaft of a gear transmission box, and the gear transmission boxes are connected by couplings, and the input shaft of one of the gear transmission boxes is connected to a shelling power device including a continuously variable speed motor.

[0029] In the above-mentioned bamboo shoot shelling machine, in the shelling device, the two ends of the lever are fixed on two left and right opposite chains, each chain is wrapped around two front and rear sprockets, and the left and right opposite pair of sprockets are fixedly connected by a connecting rod and connected to a sprocket drive motor that drives them to rotate.

[0030] In the above-mentioned bamboo shoot shelling machine, in the shelling device, there are two levers, front and rear, and the lever blocks on the two levers are arranged alternately.

[0031] In the above-mentioned bamboo shoot shelling machine, in the shelling device, each shelling roller is rotatably supported on the shelling frame; adjacent shelling roller groups are separated by pentagonal baffles arranged on the shelling frame; the left side of the leftmost shelling roller group and the right side of the rightmost shelling roller group have "<"-shaped baffles arranged on the shelling frame.

[0032] In the above-mentioned bamboo shoot peeling machine, in the vibration dispersing device, an elliptical protrusion is provided in the middle of the higher end of the dispersing plate.

[0033] The above-mentioned bamboo shoot peeling machine has two vibration motors, and the two vibration motors rotate in opposite directions to cause the dispersion plate to vibrate in the same direction.

[0034] The above-mentioned bamboo shoot shelling machine, the feeding device includes a feeding frame, a conveyor belt with a partition, a driving roller, a driven roller, and a driving roller and a driven roller for tensioning the conveyor belt are rotatably arranged on the feeding frame, and both sides of the conveyor belt have side plates fixed on the feeding frame.

[0035] In step a, a conveyor belt obliquely mounted on a feeding frame evenly feeds the steamed and cooled medium and small-diameter bamboo shoots into a vibration dispersion device according to a set feeding amount. The conveyor belt is provided with a partition board with a height of 30 mm every 600 mm, which can evenly load and transport the bamboo shoots.

[0036] The step b is to use a vibration dispersing device to evenly disperse the bamboo shoots fed in the step a to the shelling device below under the action of a vibration motor. The vibration dispersing device is composed of a dispersion plate, a spring, a mass sensor, a vibration motor, and a vibration frame. The mass sensor monitors the mass of the bamboo shoots on the dispersion plate to adjust the vibration frequency of the vibration motor and control the speed of transporting the bamboo shoots to the shelling device, thereby realizing automatic quantitative dispersion and transportation of the bamboo shoots.

[0037] The automatic shelling in step c is to use a shelling device to shell the bamboo shoots fed into the shelling rollers to complete the shelling process. In the shelling device, the bamboo shoots fed by the vibration dispersion device are steamed, and the shelling rollers rotate in opposite directions to grab the bamboo shoot shells, and the bamboo shoots are rotated to shell, and then the shelled bamboo shoots are sent out of the shelling device. The shelling roller group consists of three short shelling rollers of the same length and a long shelling roller of slightly longer length. Each shelling roller is connected by gear meshing. When the shelling device is running, the outer shelling roller and the two inner shelling rollers rotate in opposite directions to shell the bamboo shoots, and the inner shelling roller rotates in the opposite direction to move the bamboo shoots that fall on it to both sides, so that the bamboo shoots are shelled. At the same time, the bamboo shoots are easily stuck between the two shelling rollers when the shelling device is transported. Therefore, the shelling device is provided with a periodically rotating lever structure, which can timely remove the bamboo shoots stuck between the shelling rollers to prevent them from continuing to get stuck in the shelling rollers. In the step b, a mass sensor is installed, and in the step c, a continuously variable transmission is installed and connected to the mass sensor. The rotation speed of the continuously variable transmission is controlled by the mass transmission of the mass sensor so that its frequency is controlled at 30-40 Hz, which can better complete the shelling.

[0038] The automatic discharging in step d is to install a feeding belt below the discharging port of the shelling device, and to feed the shelled bamboo shoots to the position of the next processing process through the feeding belt.

[0039] The waste recovery in step e is that a waste recovery belt is provided under the shelling roller of the shelling device and is installed on a waste recovery frame, and the waste recovery belt carries the waste to the waste recovery barrel for the next step of processing.

[0040] When the bamboo shoot shelling machine is working, the small and medium-sized bamboo shoots that have been steamed and cooled are first automatically fed through a conveyor belt with equally spaced partitions. The partition spacing is 600mm and the height is 30mm to ensure uniform transportation of the bamboo shoots. Subsequently, the bamboo shoots enter the vibration dispersion device, which consists of a dispersion plate, a spring, a quality sensor, a vibration motor and a vibration frame. The quality sensor monitors the quality of the bamboo shoots in real time and adjusts the frequency of the vibration motor to achieve automatic quantitative dispersion and transportation of the bamboo shoots. When entering the shelling stage, the bamboo shoots are processed by four intermeshing shelling rollers, in which the outer shelling roller and the inner two shelling rollers rotate in opposite directions to implement shelling, and the inner two shelling rollers rotate in the opposite direction to move the bamboo shoots. The system is equipped with a periodic rotating lever structure to prevent the bamboo shoots from getting stuck between the shelling rollers. The quality sensor is linked to the continuously variable transmission to control the operating frequency within the range of 30-40hz to ensure the best shelling effect. Finally, the shelled bamboo shoots are transported to the next process by the feeding belt under the discharge port, while the peeled bamboo shoot shells are transported to the waste recycling center through the waste recycling belt under the shelling roller for subsequent processing.

[0041] The feeding device can realize uniform and equal feeding. The feeding device includes a feeding frame, a feeding foot pier, a conveyor belt with a partition, a feeding motor, a driving roller shaft, a driven roller shaft and other parts.

[0042] Preferably, the feeding motor is connected to the driving roller shaft to drive the conveyor belt with partitions to rotate. The conveyor belt with partitions is tensioned by the driving roller shaft and the driven roller shaft, the partitions are spaced 600 mm apart, and the height of the partitions is 30 mm.

[0043] Preferably, the side panels are fixedly mounted on the loading rack, and the loading foot piers are mounted on the bottom of the loading rack to adjust the height and tilt angle of the loading rack.

[0044] When the loading device for achieving uniform and equal feeding is working, the bamboo shoots raw materials are rotated by the conveyor belt at the raw material accumulation place, and the loaded bamboo shoots are transported upward. Since the conveyor belt has partitions, each interval can only load a certain amount of bamboo shoots, and the excess bamboo shoots will slide down to the raw material accumulation place, thereby controlling the bamboo shoots that each interval can accommodate.

[0045] The vibration dispersing device can achieve uniform dispersion of materials. The vibration dispersing device includes a vibration frame, a vibration foot, a vibration motor, a dispersion plate, a spring, a mass sensor, a dispersion rod and other parts.

[0046] Preferably, the vibration motors are provided with two, the purpose of which is to make the two vibration motors rotate in opposite directions so that the dispersion plate produces vibrations in the same direction, so that the bamboo shoots can be dispersed and fall. The vibration motors are installed side by side below the dispersion plate; the quality sensor is installed below the dispersion plate to monitor the quality of the falling bamboo shoots, and jointly control the speed of the bamboo shoots being dispersed and falling with the vibration motor. An elliptical protrusion is processed above the dispersion plate near the side of the feeding device, the purpose of which is to disperse the falling bamboo shoots more evenly. Below the dispersion plate, there are four notches (the same number as the shelling roller group), and above the notches there are dispersion rods to disperse the bamboo shoots and adjust the direction of the bamboo shoots so that they can fall vertically. The dispersion plate is connected and fixed to the vibration frame at four corners by the springs, and its function is to enable the bamboo shoots to perform outward expansion involute motion when the vibration motor is working, so that the bamboo shoots can perform directional and active motion together with the dispersion plate.

[0047] When the vibration dispersing device that can evenly disperse materials is working, the two vibration motors run at the same time to generate vibration. Since the dispersion plate and the vibration frame are connected by a spring, the vibration of the vibration motor can drive the dispersion plate to vibrate together. When the bamboo shoots fall on the dispersion plate, they are first dispersed by the elliptical protrusions on the dispersion plate, and then transported downward as the dispersion plate makes an outward expansion involute motion. When the bamboo shoots move to the notch, due to the presence of a dispersion rod above the notch, the direction of the bamboo shoots falling can be changed to vertical falling, so that they can better enter the shelling device.

[0048] The shelling device can realize accurate and efficient automatic shelling of bamboo shoots. The device includes a shelling frame, a continuously variable speed motor, a pulley, a gear transmission box, a coupling, a side baffle, a lever, a block, a connecting rod, a shelling roller group (including a short shelling roller and a long shelling roller), a gear, a blade, a spiral rubber roller, a discharge plate, a chain, a sprocket, a sprocket drive motor, a pentagonal baffle, a "<"-shaped baffle, a shelling foot pier and other parts.

[0049] Preferably, the shelling roller group is composed of three short shelling rollers and one long shelling roller meshed with the gears; the shelling part of the long and short shelling rollers is 1600 mm in length, and is assembled from 7 spiral rubber rollers and 6 blades arranged on the outer periphery of the shelling roller, and one blade is installed between each of the spiral rubber rollers, and the outer diameter of the blade is slightly larger than that of the spiral rubber roller; the blade is a blade with a grab hook (tip), and its function is to grab the bamboo shoot shell on the surface of the bamboo shoot when shelling; there are four shelling roller groups, each shelling roller group is separated by the pentagonal baffle, and the outer side (left and right sides) shelling roller group is connected to the side baffle through a "<"-shaped baffle.

[0050] Preferably, the continuously variable speed motor is installed on the shelling frame, and there are four gear transmission boxes, which are installed side by side on the shelling frame; the continuously variable speed motor is connected to the pulley through the belt to provide power, the pulley is connected to the two middle gear transmission boxes, and the gear transmission boxes are connected through a coupling; one end of the long shelling roller is connected to the gear transmission box through the coupling to form the transmission mechanism of the entire shelling device.

[0051] Preferably, the sprocket drive motor is installed on the shelling machine frame, the two sprockets are installed on the side baffle plate on the same side through support blocks and connected by a chain, and the corresponding side baffle plate on the other side is also installed with the sprocket and chain; the sprockets on both sides are connected and driven by the sprocket drive motor through connecting rods. Both ends of the shifting rod are welded to the chain, there are two shifting rods and the spacing between them differs by 600mm, and shifting blocks are welded on the shifting rods, which are located above the outer shelling rollers and the inner shelling roller that rotate in opposite directions, and there are shifting blocks above the outer shelling roller and the inner shelling roller that rotate in opposite directions; the shifting blocks are welded on the two shifting rods, and the shifting blocks on the front and rear shifting rods are staggered welded, which functions to prevent the bamboo shoots from being too long and horizontally resting on the shelling roller group and unable to vertically enter the shelling roller group for shelling, and the bamboo shoots are prone to get stuck between the shelling rollers when the shelling device is working. The design of this structure can make the bamboo shoots stuck between the shelling rollers peel off the shelling rollers to prevent them from continuing to get stuck between the shelling rollers.

[0052] Preferably, shelling feet are installed on the four corners of the shelling frame, and their function is to adjust the height and inclination angle of the shelling frame to control the falling speed of the bamboo shoots.

[0053] Preferably, the continuously variable speed motor is connected to the mass sensor, and the speed of the continuously variable speed motor is adjusted by the signal transmitted by the mass sensor, and the frequency of the continuously variable speed motor is controlled at 30 Hz-40 Hz.

[0054] When the shelling device realizes accurate and efficient automatic shelling of bamboo shoots, the belt is driven by the continuously variable speed motor, and the four shelling rollers are driven to rotate synchronously through the gear transmission box and the coupling. The bamboo shoot shelling device is started, and the shelling rollers begin to rotate. The bamboo shoots are transferred from the dispersion plate close to the gear side to the shelling roller. Since there is a certain inclination angle between the shelling roller and the ground, the surface texture of the shelling roller is spiral, and when the shelling roller rotates, it can drive the bamboo shoots to rotate with the surface of the shelling roller and move to the other end. During the movement, due to the existence of friction, the adjacent shelling rollers have a tangential force on the bamboo shoots. When the tangential force is greater than the binding force between the bamboo shoot shell and the bamboo shoot meat, the shelling roller can peel the bamboo shoot shell from the bamboo shoot meat. At the same time, blades are installed at fixed intervals on the surface of the shelling roller. The tips of these blades are hook-shaped and can grab the bamboo shoot shell while cutting the bamboo shoot shell when the bamboo shoot rotates, so that the shelling roller can peel the bamboo shoot shell and improve the shelling rate. At the same time, the device is equipped with a chain-driven lever structure. The offset lever block welded on the lever is located above the two shelling rollers rotating in opposite directions, which can prevent the bamboo shoots from being horizontally stacked and stuck. The entire device adjusts the speed of the continuously variable motor (30hz-40hz) in real time through the quality sensor to ensure the accuracy and efficiency of the shelling process.

[0055] The utility model discloses a waste material recovery device with a simple structure, comprising a waste material recovery frame, a waste material recovery belt, a waste material recovery motor and other structures.

[0056] Preferably, the waste recovery frame is installed below the shelling roller group, and the waste recovery belt is installed on the waste recovery frame and driven by the waste recovery motor.

[0057] When the waste recovery device is working, the bamboo shoot shells dropped from the shelling roller are transported to the waste recovery barrel through the conveyor belt.

[0058] A discharging device with a simple structure comprises a discharging frame, a feeding belt, a discharging motor and other structures.

[0059] Preferably, the discharging frame is installed below the discharging port, and the feeding belt is installed on the discharging frame and driven by the discharging motor.

[0060] When the discharging device is working, the bamboo shoots fall from the discharging plate of the shelling device and are transported by the feeding belt to the post-processing room for further processing.

[0061] The beneficial effects of the present invention are as follows: through the full-process automated operation of automatic loading, vibration distribution, automatic shelling, automatic discharging and waste recycling, the production efficiency is significantly improved, and the problem of low efficiency of traditional manual shelling is overcome; four mutually meshing shelling roller groups are used in conjunction with a spiral rubber roller and a blade with a grab hook, and the operating frequency is adjusted in real time by a quality sensor, so that precise shelling is achieved and the damage rate of bamboo shoots is reduced; the equipment has strong adaptability and can process small and medium-sized bamboo shoots of different specifications, and each process is closely connected, the structural design is reasonable, maintenance is convenient, and operation is stable and reliable; it has significant economic benefits by reducing labor costs, improving product quality consistency, and reducing rework rates. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 Process flow chart

[0063] Figure 2 Figure 1: Feeding device

[0064] Figure 3 A three-dimensional diagram of the vibration dispersion device

[0065] Figure 4 Schematic diagram of the vibration dispersion device

[0066] Figure 5 Three-dimensional diagram of shelling device

[0067] Figure 6 For the shelling roller group

[0068] Figure 7 Schematic diagram of shelling device

[0069] Figure 8 Figure 1: Discharging device diagram

[0070] Fig. 9 Waste recycling device diagram

[0071] Fig.10 The overall device diagram of the bamboo shoot peeling machine

[0072] Fig.11 This is a schematic diagram of the shelling roller group, shelling frame, etc.

[0073] Fig.12 This is a schematic diagram of the shelling roller group, discharging rack, etc.

[0074] Fig.13 Schematic diagram of shelling roller group

[0075] Fig.14 This is a schematic diagram of spiral rubber rollers, blades, etc.

[0076] Fig.15 Schematic diagram of spiral rubber roller

[0077] Fig.16 It is a schematic diagram of the blade

[0078] In the figure, 1-feeding rack, 2-conveyor belt, 3-partition plate,

[0079] 4-dispersion iron plate, 41-elliptical protrusion, 42-notch, 43-dispersion connecting rod, 44-dispersion rod, 5-vibration frame, 6-vibration motor, 7-spring, 8-mass sensor,

[0080] 9-shelling frame, 10 discharge port, 11 side baffle, 12-shelling roller group, 121-short shelling roller, 122-long shelling roller, 123-spiral rubber roller, 124-blade, 125-outer shelling roller, 126 inner shelling roller, 13-shift rod structure, 131-sprocket, 132-chain, 133-sprocket drive motor, 134-connecting rod, 135-front shift rod, 136-rear shift rod, 137-shift block, 14-pentagonal baffle, 15-"<" shaped baffle, 16-stepless speed motor, 161-coupling, 162-gear transmission box, 163-gear, 164-pulley group,

[0081] 17-feeding belt, 18-discharging rack, 19-discharging motor,

[0082] 20-waste recovery belt, 21-waste recovery motor, 22-waste recovery bucket. DETAILED DESCRIPTION

[0083] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings.

[0084] See also Figure 1 The present invention provides a bamboo shoot accurate and efficient shelling technology, including the steps of a. automatic feeding of bamboo shoots, b. vibrating material separation, c. automatic shelling, d. automatic discharging, e. waste recycling and the like.

[0085] In step a, the conveyor belt 2 obliquely mounted on the feeding frame 1 evenly feeds the steamed and cooled medium and small-diameter bamboo shoots into the vibrating dispersion device in step b according to the set feeding amount. The conveyor belt is provided with partitions 3 with a height of 30 mm every 600 mm, which can evenly load and transport the bamboo shoots.

[0086] The step b is to use a vibration dispersing device to evenly disperse the bamboo shoots fed in the step a to the shelling device below under the action of a vibration motor 6. The dispersing device is composed of a dispersing iron plate 4, a spring 7, a quality sensor 8, a vibration motor 6, and a vibration frame 5. The quality sensor 8 monitors the quality of the bamboo shoots dropped on the dispersing iron plate 4, thereby adjusting the vibration frequency of the vibration motor 6 and controlling the speed of transporting the bamboo shoots to the shelling device, thereby realizing automatic quantitative dispersing and transporting of the bamboo shoots.

[0087] The automatic shelling in step c is to use a shelling device to shell the bamboo shoots sent into the shelling roller group 12 to complete the shelling process. In the shelling device, the cooked bamboo shoots sent by the vibration dispersion device are grabbed by the shelling roller group rotating in opposite directions, and the bamboo shoots are rotated to shell, and then the shelled bamboo shoots are sent out of the shelling device. The shelling roller group 12 consists of three short shelling rollers 121 of the same length and a long shelling roller 122 of slightly longer length. Each shelling roller is meshed and connected through a gear 163. When the shelling device is running, the outer shelling roller (the leftmost shelling roller and the rightmost shelling roller) 125 and the inner shelling roller 126 rotate in opposite directions to shell the bamboo shoots, and the two inner shelling rollers 126 rotate in opposite directions to move the bamboo shoots that fall on them to both sides so that the bamboo shoots are shelled. At the same time, bamboo shoots are easily stuck between the outer shelling roller 125 and the inner shelling roller 126 when being transported by the shelling device. Therefore, the shelling device is provided with a periodically rotating lever structure 13, which can timely remove the bamboo shoots stuck between the shelling rollers to prevent them from continuing to be stuck in the shelling rollers. In the step b, a mass sensor 8 is installed, and in the step c, a continuously variable transmission 16 is installed to be connected to the mass sensor 8. The speed of the continuously variable transmission 16 is controlled by the mass transmission of the mass sensor 8 so that its frequency is controlled at 30-40 Hz, which can better complete the shelling.

[0088] The automatic discharging in step d is achieved by installing a feeding belt 17 below the discharging port of the shelling device, and the shelled bamboo shoots are fed to the position of the next processing process through the feeding belt 17.

[0089] In the step e of waste recovery, a waste recovery belt 20 is provided below the shelling roller of the shelling device and installed on the shelling frame 9, and the waste recovery belt 20 carries the waste to the waste recovery barrel 22 for the next step of processing.

[0090] Example

[0091] The specific implementation modes of the present invention are further described below in conjunction with the examples.

[0092] The conveyor belt 2 is tensioned by the driving roller and the driven roller, and the interval between the partitions 3 of the conveyor belt 2 is 600mm, and the height of the partitions 3 is 30mm. When the feeding device is working, the bamboo shoots are transported upward by the conveyor belt 2 at the raw material accumulation place. Since the conveyor belt 2 has partitions 3, each interval can only load a fixed amount of bamboo shoots, and the excess bamboo shoots will slide down to the raw material accumulation place, so that the bamboo shoots that can be accommodated in each interval can be controlled.

[0093] The bamboo shoots are transported to the vibration dispersing device by the feeding device. The vibration dispersing device is provided with two vibration motors 6, the purpose of which is to make the two vibration motors rotate in opposite directions to generate vibrations in the same direction so that the bamboo shoots can be dispersed and fall. The vibration motors 6 are installed side by side below the dispersion iron plate 4; the quality sensor 8 is installed below the dispersion iron plate 4 to monitor the quality of the falling bamboo shoots, and jointly control the speed of the bamboo shoots being dispersed and falling with the vibration motor 6. An elliptical protrusion 41 is processed above the dispersion iron plate 4 near the side of the feeding device, the purpose of which is to disperse the falling bamboo shoots more evenly. Four notches 42 are provided below the dispersion iron plate 4, and a dispersion connecting rod 43 is installed on the notch 42 and a dispersion rod 44 is installed above each notch 42, which functions to disperse the bamboo shoots and adjust the direction of the bamboo shoots so that they can fall vertically. The dispersion iron plate 4 is connected and fixed to the vibration frame 5 at four corners by springs 7, and its function is to enable the bamboo shoots to do outward expansion involute motion when the vibration motor is working, so that the bamboo shoots can move directional and enthusiastically with the dispersion iron plate.

[0094] When the vibration dispersion device is working, the two vibration motors 6 run at the same time to generate vibration. Since the dispersion iron plate 4 and the vibration frame 5 are connected by a spring 7, the vibration of the vibration motor 6 can drive the dispersion iron plate 4 to vibrate together. When the bamboo shoots fall on the dispersion iron plate 4, they are first dispersed by the elliptical protrusions 41 on the dispersion iron plate 4, and then transported downward as the dispersion iron plate makes an outward expansion involute motion. When the bamboo shoots move to the notch 42, due to the presence of a dispersion rod 44 above the notch 42, the falling direction of the bamboo shoots can be changed to vertical falling, so that they can better enter the shelling device.

[0095] The bamboo shoots enter the shelling device from the vibration sorting device. The shelling roller group 12 in the shelling device is composed of three short shelling rollers 121 and a long shelling roller 122 meshing through the gear 163; the shelling part of the long and short shelling rollers 122 and 121 is 1600 mm long, and is assembled from 7 spiral rubber rollers 123 and 6 blades 124. A blade 124 is installed between each spiral rubber roller 123, and the outer diameter of the blade 124 is slightly larger than the spiral rubber roller 123; the blade 124 is a blade with a grab hook, and its function is to grab the bamboo shoot shell on the surface of the bamboo shoot when shelling; there are four shelling roller groups 12, each shelling roller group 12 is separated by the pentagonal baffle 14, and the shelling roller groups at the outer ends are connected to the side baffles 11 through "<"-shaped baffles 15.

[0096] The continuously variable speed motor 16 is installed on the shelling frame 9, and there are four gear transmission boxes 162, which are installed side by side on the shelling frame 9; the continuously variable speed motor 16 is connected to provide power through a pulley group 164, and the pulley group 164 is connected to the two middle gear transmission boxes 162, and the gear transmission boxes 162 are connected through a coupling 161; one end of the long shelling roller 122 is connected to the gear transmission box 162 through a coupling 161 to form a transmission mechanism of the entire shelling device.

[0097] The shelling device is equipped with a lever structure 13, a motor 133 is installed on the shelling frame 9, two sprockets 131 are installed on the side baffle 11 on the same side through a support block and are connected by a chain 132, and the corresponding other side baffle 11 is also equipped with a sprocket 131 and a chain 132; the sprockets 131 and the chain 132 on both sides are connected and driven by the motor 133 through a connecting rod 134. Both ends of the lever (including the front lever 135 and the rear lever 136) are welded to the chain 132, and the spacing between the front and rear levers differs by 600mm. The front lever 135 and the rear lever 136 are both welded with a lever block 137, and the lever block 137 is located above the two outer shelling rollers 125 and the inner shelling roller 126 rotating in opposite directions. There is a lever block 137 above the outer shelling roller 125 and the inner shelling roller 126 rotating in opposite directions; and the lever blocks 137 on the front lever 135 and the rear lever 136 are welded in an offset manner, which serves to prevent the bamboo shoots from being too long and being horizontally placed above the shelling roller group and unable to vertically enter the shelling roller group 12 for shelling, and the bamboo shoots are easily stuck between the shelling rollers when the shelling device is working. The design of this structure can make the bamboo shoots stuck between the shelling rollers peel off the shelling rollers to prevent them from continuing to be stuck between the shelling rollers.

[0098] Shelling feet are installed on the four corners of the shelling frame 9, and its effect is to adjust the height and the angle of inclination of the shelling frame to control the falling speed of bamboo shoots.

[0099] The continuously variable speed motor 16 is connected to the mass sensor 8, and the motor speed is adjusted by the signal transmitted by the mass sensor 8, and the frequency of the motor is controlled at 30 Hz-40 Hz.

[0100] When the shelling device is working, the continuously variable speed motor 16 drives the pulley set 164, and the gear transmission box 162 and the coupling 161 drive the four groups of shelling rollers 12 to rotate synchronously. When the bamboo shoot shelling device is started, the shelling roller starts to rotate. The bamboo shoots are transmitted to the shelling roller from the conveyor belt close to the side of the gear 163. Since there is a certain inclination angle between the shelling roller and the ground, the surface texture of the shelling roller is spiral, and when the shelling roller rotates, it can drive the bamboo shoots to rotate with the surface of the roller and move to the other end. During the movement, due to the existence of friction, the adjacent shelling rollers have a tangential force on the bamboo shoots. When the tangential force is greater than the binding force between the bamboo shoot shell and the bamboo shoot meat, the shelling roller can peel the bamboo shoot shell from the bamboo shoot meat. At the same time, on the surface of the shelling roller, blades 124 are installed at a fixed distance. The tips of these blades are hook-shaped and can grab the bamboo shoot shell while cutting the bamboo shoot shell when the bamboo shoot rotates, so that the shelling roller can peel the bamboo shoot shell and improve the shelling rate. At the same time, the device is equipped with a chain-driven lever structure 13, and the offset lever block 137 welded on the front lever 135 and the rear lever 136 is located above the shelling rollers rotating in opposite directions, which can prevent the bamboo shoots from being horizontally stacked and stuck. The entire device adjusts the motor speed (30hz-40hz) in real time through the quality sensor 8 to ensure the accuracy and efficiency of the shelling process.

[0101] After the bamboo shoots are peeled, they fall from the discharging port 10 to the discharging device. The discharging frame 18 is installed below the discharging port 10, and the feeding belt 17 is installed on the discharging frame 18 and driven by the motor 19.

[0102] After the bamboo shoots are shelled, the shelling waste needs to be recycled, so a waste recovery device is set up, a waste recovery belt 20 is provided under the shelling roller of the shelling device, and is installed on the shelling frame 9, and the waste recovery belt 20 carries the waste to the waste recovery barrel 22 for the next step of processing.

Claims

1. A precise and efficient automatic bamboo shoot peeling method, characterized by: The steps include: a. Bamboo shoot loading: The steamed and cooled bamboo shoots are evenly transported to the higher end of the inclined dispersion plate; b. Vibration distribution: The dispersion plate vibrates, causing the bamboo shoots to vibrate and disperse, and move evenly downward along the dispersion plate, and enter the upper side of the inclined shelling roller group corresponding to the notch through each notch at the lower end of the dispersion plate; c. Automatic shelling: At least one pair of shelling rollers rotating in opposite directions in the shelling roller group grabs the bamboo shoot shells and shells the bamboo shoots by rotation. The bamboo shoot shells fall between the shelling rollers rotating in opposite directions, and the shelled bamboo shoots gradually move to the lower end on the shelling rollers; d. Automatic discharging: The shelled bamboo shoots fall from the lower end of the shelling roller onto the moving feeding belt for transportation.

2. The method for accurately and efficiently automatically peeling bamboo shoots according to claim 1, characterized in that: Also includes the steps: e. Waste recovery: The bamboo shoot shells fall onto the moving waste recovery belt and are transported to the waste recovery bin.

3. The method for automatically peeling bamboo shoots with high efficiency and high precision as claimed in claim 1, characterized in that: In the automatic shelling of step c, the bamboo shoots on the shelling roller are moved so that the bamboo shoots are parallel to the axial direction of the shelling roller.

4. The method for automatically peeling bamboo shoots with high precision and high efficiency as claimed in claim 1, characterized in that: In step b, during the vibration distribution, the bamboo shoots are guided when they pass through the notch so that the bamboo shoots fall vertically along the dispersion rod in a direction parallel to the axial direction of the shelling roller.

5. The accurate and efficient automatic bamboo shoot peeling method according to claim 1, characterized in that: In step b of vibrating the material distribution, the speed at which the bamboo shoots are dispersed and dropped is adjusted by controlling the vibration frequency of the dispersion plate.

6. The method for automatically peeling bamboo shoots with high precision and high efficiency as claimed in claim 1, characterized in that: A quality sensor is provided on the dispersion plate for detecting the quality of bamboo shoots falling onto the dispersion plate. The vibration frequency of the dispersion plate is controlled according to the quality of the bamboo shoots detected by the quality sensor, and the speed at which the bamboo shoots are dispersed and fall is adjusted. At the same time, the rotation speed of the shelling roller is controlled according to the quality of the bamboo shoots detected by the quality sensor.

7. The method for accurately and efficiently automatically peeling bamboo shoots as claimed in claim 3, characterized in that: Use a shelling device to achieve automatic shelling; The shelling device comprises a lever structure and a plurality of inclined shelling roller groups; each shelling roller group comprises at least four shelling rollers which are arranged in sequence from left to right and are parallel to each other and rotate independently, and the rotation directions of two adjacent shelling rollers are opposite, and the shelling roller on the far left rotates clockwise; each shelling roller is provided with a plurality of spiral rubber rollers along the axial direction, and a blade is fixed on the shelling roller between the ends of two opposite spiral rubber rollers; the blade has a tip which radially extends outward and exceeds the outer diameter of the spiral rubber roller; The lever structure includes a lever located above the shelling roller group, extending perpendicularly to the axial direction of the shelling roller and moving parallel to the axial direction of the shelling roller. The lever has a plurality of downwardly extending lever blocks, each of which is located above the middle of two shelling rollers rotating in opposite directions.

8. The method for accurately and efficiently automatically peeling bamboo shoots as claimed in claim 4, 5 or 6, characterized in that: Use a vibration dispersing device to achieve vibration dispensing; The vibration dispersion device comprises a dispersion plate which vibrates under the drive of a vibration motor, the dispersion plate is in an inclined state, and its lower end has a plurality of notches, each notch is communicated with the upper part of the higher end of a shelling roller group; a dispersion rod is arranged in the notch of the dispersion plate so that the bamboo shoots fall vertically along the axial direction parallel to the shelling roller; the dispersion plate is elastically supported on the vibration frame by springs, and a vibration motor is fixed on the bottom surface of the dispersion plate; a quality sensor is installed under the dispersion plate for detecting the quality of the bamboo shoots on the dispersion plate, and the quality sensor is electrically connected to the vibration motor to control the vibration frequency of the vibration motor and adjust the speed at which the bamboo shoots are dispersed and fall.

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