CN220140734U - Pine nut shell breaking device - Google Patents

Pine nut shell breaking device Download PDF

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Publication number
CN220140734U
CN220140734U CN202321428193.1U CN202321428193U CN220140734U CN 220140734 U CN220140734 U CN 220140734U CN 202321428193 U CN202321428193 U CN 202321428193U CN 220140734 U CN220140734 U CN 220140734U
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China
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gear
shelling
upper pressing
edge
pine nut
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CN202321428193.1U
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梁海龙
李家怡
卫玉琴
李腾
张瑾琪
傅瑞鑫
赵耀芳
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Shanxi Institute of Technology
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Shanxi Institute of Technology
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Abstract

The utility model relates to the technical field of pine nut shelling, in particular to a pine nut shelling device, which comprises a shelling frame body, wherein a lower pressing cylinder and a row of upper pressing wheels are arranged on the shelling frame body, and pine nut accommodating grooves are formed in corresponding positions of the lower pressing cylinder and the upper pressing wheels; the lower pressing cylinder and a row of upper pressing wheels which are coaxially arranged are driven to rotate by a common shelling driver; every goes up pinch roller all coaxial coupling and has last press frame, go up and be connected with two gag levers post on the press frame, go up the press frame on and be connected with a spring rod respectively with two gag levers post neighbors, upward install on the press frame and go up the pressure driving motor, upward the output meshing of pressure driving motor has the worm, the worm meshing has the worm wheel, the winding is provided with the stretching strap on the worm wheel, the one end of stretching strap is fixed in on the worm wheel, the other end walks around two sliders in proper order and connects on last press frame, this device makes pine nut shelling method efficiency improve, upward pinch roller and auxiliary structure can be more accurate control upward pinch roller decurrent pressure, also can effectually reduce garrulous benevolent rate.

Description

Pine nut shell breaking device
Technical Field
The utility model relates to the technical field of pine nut shelling, in particular to a pine nut shelling device.
Background
The pine nut is rich in nutrient substances such as fat, protein, vitamins and the like, and has the main characteristics of superior quality, thin skin, fragrant meat and big head. Can supplement energy, strengthen resistance, and maintain beauty. Along with the improvement of the living standard of people, the demand of pine nuts is continuously improved, so that the global planting scale of pine nuts is also enlarged, at present, pine nut kernels are obtained by manually crushing shells and taking kernels in China, the efficiency is low, the kernel crushing rate is high, the economic benefit of pine nut production is directly influenced, and the pine nuts are likely to be eliminated. Under such circumstances, mechanical shelling is increasingly showing its characteristics of high efficiency and quality. The pine nut shelling technology has high economic and social benefits hidden, so that a pine nut shelling machine needs to be developed, labor is saved more quickly, the shelling efficiency of the pine nuts is ensured, and meanwhile, the economic efficiency of the pine nuts is ensured.
Pine nuts are firstly shelled by a manual shelling method, and all the opening methods are to polish, peel and polish pine nuts, then dip the pine nuts in strong alkaline aqueous solution such as caustic soda or lime water, and then fry the pine nuts at high temperature to open the pine nuts. The addition of strong alkali solution in food belongs to the illegal action which violates the production safety of the food, and the technology cannot be used. The traditional production efficiency is relatively low and difficult, the labor cost is high, and the processing quality cannot be effectively ensured.
Disclosure of Invention
The utility model provides a pine nut shell breaking device, which aims to solve the technical problems of low manual pine nut shell breaking efficiency and high broken kernel rate.
In order to solve the technical problems, the utility model adopts the following technical scheme: the pine nut shell breaking device comprises a shelling frame body, wherein a lower pressing cylinder and a row of upper pressing wheels are arranged on the shelling frame body, and pine nut accommodating grooves are formed in the positions, corresponding to the positions, of the lower pressing cylinder and the positions, corresponding to the positions, of the upper pressing wheels; the lower pressing cylinder and a row of upper pressing wheels which are coaxially arranged are driven to rotate by a common shelling driver;
each upper pressing wheel is coaxially connected with an upper pressing frame, two limiting rods are connected to the upper pressing frame, a spring rod is connected to the positions, adjacent to the two limiting rods, of the upper pressing frame, the spring rod is parallel to the adjacent limiting rods, the tops of springs sleeved outside the spring rod are connected with sliding blocks, one ends of the sliding blocks are fixedly connected with the tops of the springs, the other ends of the sliding blocks are sleeved on the limiting rods in a sliding mode, sleeves are connected to the tops of all the limiting rods, a cross rod is sleeved on the sleeves of the limiting rods in the same row in a sleeved mode, and two ends of the cross rod are connected to a shelling frame body; the upper pressing frame is provided with an upper pressing driving motor, the output end of the upper pressing driving motor is meshed with a worm, the worm is meshed with a worm wheel, a pull belt is wound on the worm wheel, one end of the pull belt is fixed on the worm wheel, the other end of the pull belt sequentially bypasses two sliding blocks and then is connected to the upper pressing frame, a pressure sensor is arranged in a pine nut accommodating groove of the upper pressing wheel, the upper pressing frame is also provided with a pressure processor, and the pressure processor is electrically connected with the pressure sensor and the upper pressing driving motor, so that the starting and stopping of the upper pressing driving motor are adjusted according to the detection result of the pressure sensor;
the shelling frame body is also provided with a bracket extending into the pressing cylinder, the end part of the bracket is provided with a slot, the bracket is also provided with a gear pump and a plurality of hydraulic rods, and the gear pump is used for driving the hydraulic rods to stretch out and draw back; the extended rear end part of the hydraulic rod is propped against the inner side wall of the pressing cylinder; an electric push rod is further installed on the unshelling frame body positioned at one end of the pressing cylinder, the end part of the electric push rod is connected with a connecting rod, and one end of the connecting rod is used for being inserted into a slot at the end part of the support.
Working principle: the shell breaking device is matched with a feeding device and a transmission device as shown in the figure, when the pine nuts are fed into the pine nut accommodating groove, in order to ensure that each pine nut can be extruded, a set of synchronous belt wheel conversion group is designed by using a synchronous belt and through strict calculation, so that the linear speeds of the lower pressing cylinder and the upper pressing wheel are consistent. The lower pressing cylinder and a row of upper pressing wheels synchronously run to crush pine nuts, and shelling is completed. The pine nuts after the shell breaking can be blown down into the container by the blower. The number of notches on the surface of the pressing cylinder is increased to improve the efficiency, so that the shell breaking rate of pine nuts is improved. The upper pressing wheel is used as a compression end and corresponds to a hole (namely a pine nut accommodating groove), the upper pressing wheel is also provided with a limiting rod and a pressure spring, and the upper pressing wheel is jacked up when encountering a long pine nut, so that the shell is broken after the maximum bearing capacity of the pine nut is reached. When the shell is broken, the pressure sensor transmits a signal to the processor, and the upper pressure driving motor is started in time to drive the worm to rotate, so that the worm wheel is driven to rotate, the pull belt is tensioned or loosened, and the downward pressure of the upper pressing wheel is increased or reduced. The pressure processor adjusts the start and stop of the upper pressure driving motor according to the detection result of the pressure sensor, so that the downward pressure of the upper pressing wheel is controlled more accurately, and the kernel breaking rate of pine nuts can be effectively reduced.
Compared with the prior art, the utility model has the following beneficial effects:
the shell breaking machine uses roll shafts with different sizes, notches are uniformly distributed on the lower pressing cylinder of the lower part and correspond to the upper pressing wheels, and the synchronous belt wheels of the upper part device provide power to realize reverse rotation to extrude, so that a perfect shell breaking effect is achieved. The pine nut shelling method has improved efficiency.
The limiting rod, the pressure spring, the pressure sensor, the pressure processor, the upper pressure driving motor and the worm gear and tensioning belt structure are designed at the upper pressing wheel, so that the downward pressure of the upper pressing wheel can be controlled more accurately, and the kernel breaking rate of pine nuts can be reduced effectively.
Drawings
Fig. 1 is a left side view of the pine nut shelling device of the present utility model.
Fig. 2 is a right side view of the pine nut shelling device of the present utility model.
Fig. 3 is a top view of the pine nut breaking device of the present utility model.
Fig. 4 is a schematic structural view of the pine nut shelling device of the present utility model.
Figure 5 is a schematic view of a single upper puck and its attachment.
Fig. 6 is a rear view of fig. 4.
Fig. 7 is a side view of the shelling drive.
Fig. 8 is a front view of the shelling driver.
Fig. 9 shows a feeding device and a transmission device which are matched with the shell breaking device.
Fig. 10 is a schematic structural view of a hose.
Fig. 11 is a schematic structural view of the feeding device.
Fig. 12 is a schematic view of the feeding device with the connecting frame and the motor fixing frame removed.
Fig. 13 is a schematic diagram of the transmission structure.
Fig. 14 is a schematic view of the internal structure of the transmission.
The figures are labeled as follows:
1-feeding groove, 2-auger, 3-feeding plate, 4-motor, 5-1-first belt wheel, 5-2-second belt wheel, 5-3-third belt wheel, 5-4-fourth belt wheel, 5-5-fifth belt wheel, 5-6-sixth belt wheel, 5-7-rotating rod, 5-8-strip-shaped groove plate, 5-9-buckle, 5-10-connecting frame, 6-screening, 7-motor fixing frame, 8-conveyor belt frame, 9-connecting frame, 10-limit groove belt, 11-big spring, 12-horizontal small spring, 13-vertical small spring, 14-vibration exciter, 15-sweeping belt, 16-sweeping motor, 17-blocking device, 18-shelling frame body, 19-pressing cylinder, 20-upper pinch roller, 21-pine nut holding groove, 22-bracket, 23-gear pump, 24-hydraulic rod, 25-electric push rod, 26-connecting rod, 27-1-rotating shaft, 27-2-belt driving motor, 27-3-shaft wheel, 27-4-small belt, 27-5-large gear, 28-hose, 29-1-shelling driving motor, 29-2-central gear, 29-3-inner gear ring, 29-4-first edge gear, 29-5-second edge gear, 29-6-third edge gear, 29-7-inner force transmission gear, 29-8-central external gear, 29-9-second edge external gear, 29-10-external force transmission gear, 29-11-first edge external gear, 29-12-top big gear, 29-13-driving pinion, 29-14-driven pinion, 30-spring rod, 31-supporting roller, 32-upper pressing frame, 33-limit rod, 33-1-sleeve, 34-spring rod, 35-slider, 36-upper pressing driving motor, 37-worm, 38-worm wheel, 39-drawstring, 40-pressure sensor, 41-pressure processor and 42-cross bar.
Detailed Description
The utility model is further illustrated below with reference to specific examples.
Examples
1-6, a pine nut breaking device comprises a shelling frame 18, wherein a lower pressing cylinder 19 and a row of upper pressing wheels 20 are arranged on the shelling frame 18, and pine nut accommodating grooves 21 are formed in corresponding positions on the lower pressing cylinder 19 and the upper pressing wheels 20; the lower pressing cylinder 19 and a row of upper pressing wheels 20 which are coaxially arranged are driven to rotate by a common shelling driver;
each upper pressing wheel 20 is coaxially connected with an upper pressing frame 32, two limiting rods 33 are connected to the upper pressing frames 32, a spring rod 34 is connected to the positions, adjacent to the two limiting rods 33, of the upper pressing frames 32, the spring rods 34 are parallel to the adjacent limiting rods 33, the tops of springs sleeved outside the spring rods 34 are connected with sliding blocks 35, one ends of the sliding blocks 35 are fixedly connected with the tops of the springs, the other ends of the sliding blocks are sleeved on the limiting rods 33 in a sliding mode, the tops of all the limiting rods 33 are connected with sleeves 33-1, the sleeves 33-1 of the limiting rods 33 positioned on the same row are sleeved with a cross rod 42 together, four cross rods 42 are arranged in total, and two ends of each cross rod 42 are connected to the unshelling frame 18; the upper pressing frame 32 is provided with an upper pressing driving motor 36, the output end of the upper pressing driving motor 36 is meshed with a worm 37, the worm 37 is meshed with a worm wheel 38, a pull belt 39 is wound on the worm wheel 38, one end of the pull belt 39 is fixed on the worm wheel 38, the other end of the pull belt is connected to the upper pressing frame 32 after bypassing the two sliding blocks 35 in sequence, the pine nut accommodating groove 21 of the upper pressing wheel 20 is internally provided with a pressure sensor 40, the upper pressing frame 32 is also provided with a pressure processor 41, and the pressure processor 41 is electrically connected with the pressure sensor 40 and the upper pressing driving motor 36, so that the starting and stopping of the upper pressing driving motor 36 are adjusted according to the detection result of the pressure sensor 40;
a support 22 extending into the lower pressure cylinder 19 is further arranged on the shelling frame 18, a slot is formed in the end portion of the support 22, a gear pump 23 and six hydraulic rods 24 are further arranged on the support 22, and the gear pump 23 is used for driving the hydraulic rods 24 to stretch and retract; the rear end of the hydraulic rod 24 is extended to be abutted against the inner side wall of the pressing cylinder 19; an electric push rod 25 is also installed on the shelling frame 18 at one end of the pressing cylinder 19, the end part of the electric push rod 25 is connected with a connecting rod 26, and one end of the connecting rod 26 is used for being inserted into a slot at the end part of the bracket 22. In order to replace the pinch roller 20 and the pressing cylinder 19, the gear pump 23 can control six hydraulic rods 24 to stretch and retract in a forward and reverse direction, and the end part of the extended hydraulic rod 24 abuts against the inner wall of the pressing cylinder 19, so that the pressing cylinder 19 works normally, and when the pressing cylinder 19 needs to be replaced, the gear pump 23 controls the hydraulic rod 24 to retract, so that the pressing cylinder 19 is convenient to take down; in addition, the push rod 25 and the link 26 are also required to be pulled out from the insertion groove of the bracket 22 when the push tube 19 is replaced in order to replace the push tube 19.
Further, as shown in fig. 7 and 8, the shelling driver includes a shelling driving motor 29-1, a central gear 29-2 is sleeved at an output end of the driving motor, an inner gear ring 29-3 is arranged at one end of the pressing cylinder 19 close to the shelling driving motor 29-1, three edge gears are meshed with the edge of the inner gear ring 29-3, namely a first edge gear 29-4, a second edge gear 29-5 and a third edge gear 29-6, an inner force transmission gear 29-7 is meshed with the first edge gear 29-4 and the central gear 29-2 together, a central outer gear 29-8 is coaxially sleeved at the outer side of the central gear 29-2, a second edge outer gear 29-9 is coaxially sleeved at the outer side of the second edge gear 29-5, and an outer force transmission gear 29-10 is meshed with the second edge outer gear 29-9 and the central outer gear 29-8 together; the first edge gear 29-4 is coaxially sleeved with a first edge external gear 29-11, the first edge external gear 29-11 is meshed with a top big gear 29-12 through a toothed belt, the top big gear 29-12 is coaxially sleeved with a plurality of driving small gears 29-13, two sides of the upper pressing wheel 20 are coaxially sleeved with driven small gears 29-14, the number of the driving small gears 29-13 is identical with that of the driven small gears 29-14, the driving small gears 29-13 are meshed with the corresponding driven small gears 29-14, and central shafts of all gears are connected to the shelling frame 18.
The working principle of the shelling driver is as follows: the shelling driving motor 29-1 works to drive the sun gear 29-2 to rotate, the inner force transmission gear 29-7 meshed with the sun gear and the three edge gears rotate, so that the inner gear ring 29-3 rotates, the pressing cylinder 19 rotates, the central gear 29-2 rotates and the central outer gear 29-8 coaxial with the central gear ring rotates, the outer force transmission gear 29-10 and the second edge gear 29-5 correspondingly rotate, and the pressing cylinder 19 is further driven to rotate; meanwhile, the first edge external gear 29-11 rotates to drive the top large gear 29-12, the driving pinion 29-13 and the driven pinion 29-14 to rotate, so that the upper pinch roller 20 also rotates, a set of synchronous belt wheel conversion groups are designed by using a synchronous belt and through strict calculation, and the linear speeds of the lower pinch roller 19 and the upper pinch roller 20 are consistent, so that pine nuts are broken.
Further, as shown in fig. 1, four supporting rollers 31 are disposed below the shelling frame 18, annular grooves are formed in the side walls of the supporting rollers 31, annular ribs are disposed on two sides of the pressing cylinder 19, and the annular ribs are abutted against the annular grooves of the supporting rollers 31, so that the pressing cylinder 19 can be replaced.
Further, as shown in fig. 9, the feeding device and the transmission device which are matched with the shell breaking device are shown. The feeding device comprises a feeding groove 1, wherein the bottom of the feeding groove 1 is connected with a packing auger 2, the packing auger is connected with a servo motor, the output end of the packing auger 2 is connected with a material placing plate 3, a motor fixing frame 7 is arranged below the material placing plate 3, a motor 4 is installed on the motor fixing frame 7, the output end of the motor 4 is connected with a swinging device, and the top of the swinging device is connected with a screening 6; further, as shown in fig. 11 and 12, the swinging device comprises a first belt pulley 5-1 connected to the output end of the motor 4, the first belt pulley 5-1 is connected with a second belt pulley 5-2 through a conveyor belt, a third belt pulley 5-3 and a fourth belt pulley 5-4 are coaxially sleeved below the second belt pulley 5-2, wherein the third belt pulley 5-3 is connected with a fifth belt pulley 5-5 through the conveyor belt, the fourth belt pulley 5-4 is connected with a sixth belt pulley 5-6 through the conveyor belt, a rotating rod 5-7 is respectively arranged in the fifth belt pulley 5-5 and the sixth belt pulley 5-6, the rotating rod 5-7 is also commonly arranged in the second belt pulley 5-2, the third belt pulley 5-3 and the fourth belt pulley 5-4, the rotating rods 5-7 comprise rotating shafts which are connected in parallel up and down, the bottoms of the upper rotating shafts are connected with the tops of the lower rotating shafts through connecting pieces, the tops of all the lower rotating shafts penetrate through the motor fixing frame 7, strip-shaped groove plates 5-8 are arranged above all the upper rotating shafts, the tops of all the upper rotating shafts penetrate through strip-shaped grooves of the strip-shaped groove plates 5-8, all the strip-shaped groove plates 5-8 are fixed with the bottoms of the separating screens 6, all the strip-shaped groove plates 5-8 are connected with connecting frames 5-10 through buckles 5-9 in a clamping mode, the strip-shaped groove plates 5-8 can move left and right in clamping grooves of the buckles 5-9, and the ends of the connecting frames 5-10 are connected with the conveyor belt rack 8.
The specific working principle of the swinging device is as follows: the motor 4 drives the first belt wheel 5-1 to rotate, so that the other belt wheels rotate, the corresponding rotating rods 5-7 also rotate, and the strip-shaped groove plates 5-8 swing left and right under the limiting action of the buckles 5-9 and reciprocate due to the special structure of the rotating rods 5-7, so that pine nuts are shaken off onto the limiting groove belt 10.
As shown in fig. 13, the transmission device comprises a conveyor frame 8, wherein the conveyor frame 8 is bent at two parts and comprises a horizontal section, an upward inclined section and a downward inclined section, the front section of the horizontal section of the conveyor frame 8 is connected with a connecting frame 9, and the front end of the connecting frame 9 is connected with a motor fixing frame 7; the conveyor belt rack 8 is provided with a limit groove belt 10, the limit groove belt 10 is provided with a plurality of limit grooves, and the conveyor belt rack 8 is internally provided with a belt driving device for driving the limit groove belt 10 to rotate; big springs 11 are sleeved on the bottom supporting legs of the conveyor belt rack 8, and a plurality of horizontal small springs 12 and vertical small springs 13 which are distributed at equal intervals are also arranged in the conveyor belt rack 8; the bottom of the horizontal section of the conveyor frame 8 is provided with a vibration exciter 14 (the combined action of the vibration exciter 14, a large spring 11, a small horizontal spring 12 and a small vertical spring 13 enables the limit groove belt 10 to vibrate continuously in a small range, during which pine nuts move freely and fall into the limit groove more conveniently), the top of the horizontal section of the conveyor frame 8 is provided with a sweeping belt 15, and the sweeping belt 15 is provided with a sweeping belt motor 16 for driving the sweeping belt to rotate; a baffle 17 is arranged at the joint of the horizontal section and the upward inclined section of the conveyor belt frame 8, the baffle 17 comprises a connecting shaft, a plurality of baffle rings distributed at equal intervals are sleeved on the connecting shaft, and a limit groove of the limit groove belt 10 is positioned between two adjacent baffle rings; a row of hoses 28 (shown in fig. 10) are also connected to the conveyor frame 8, one side of each hose 28 is opposite to the limiting groove, and the other end of each hose is opposite to the pine nut accommodating groove (21) of the shell breaking device; the limit grooves of the limit groove belt 10 are orderly arranged, each row of limit grooves is provided with a strip groove, one end of the hose 28, which is close to the limit groove belt 10, is provided with a shovel opening, and the shovel opening is inserted into the strip groove. Such a design facilitates the pine nut to enter the hose 28 from the scoop just;
further, as shown in fig. 14, the belt driving device includes a plurality of rotating shafts 27-1 and belt driving motors 27-2 which are equally spaced on the conveyor frame 8, at least one end of the rotating shaft 27-1 is sleeved with a shaft wheel 27-3, and the shaft wheel 27-3 is respectively connected with the shaft wheels 27-3 adjacent to the left side and the right side of the shaft wheel through small belts 27-4; the output end of the belt driving motor 27-2 is sleeved with a gear, the gear is meshed with a large gear 27-5, and the large gear 27-5 is connected with an adjacent shaft wheel 27-3 through a small belt 27-4.
The specific working principle of the belt driving device is as follows: when the belt driving motor 27-2 works, the large gear 27-5 rotates, the shaft wheel 27-3 adjacent to the large gear 27-5 rotates under the action of the small belt 27-4, and correspondingly, due to the action of the small belt 27-4, all the shaft wheels 27-3 rotate, so that the rotating shaft 27-1 rotates, the limit groove belt 10 is driven to rotate, and pine nuts are transported to the hose 28.
The working process of the shell breaking device matched with the feeding device and the transmission device is as follows: the pine nuts to be broken are placed in a feeding groove 1, a gear is driven by a servo motor to enable an auger 2 to rotate, the pine nuts naturally slide downwards after being lifted from the feeding groove 1 to a material placing plate 3, a motor 4 is started to drive a swinging device to reciprocate left and right so as to drive a screening 6 to swing left and right, the pine nuts are sent to a limiting groove belt 10, a belt sweeping motor 16 is started to drive a belt sweeping belt to rotate, the belt sweeping belt can periodically change the rotating direction, the pine nuts are pushed to fall into the limiting groove or directly sweep out of the belt, meanwhile, due to the operation of a vibration exciter 14 and a size spring arranged, the limiting groove belt 10 continuously vibrates in a small range, and during the period, the pine nuts freely move and fall into the limiting groove; the pine nuts in the limit grooves continue to move and climb until the shovel port of the hose 28 enters the pipeline, the pipe is led into the pine nut accommodating groove 21 of the lower pressing cylinder 19, in order to ensure that each pine nut can be extruded, a set of synchronous pulley conversion groups are designed by using a synchronous belt and through strict calculation, and the linear speeds of the lower pressing cylinder 19 and the upper pressing wheel 20 are consistent. The lower pressing cylinder 19 and a row of upper pressing wheels 20 synchronously operate to crush pine nuts, so as to complete shelling. The pine nuts after the shell breaking can be blown down into the container by the blower. To increase efficiency, the number of notches in the surface of the hold-down cylinder may be increased to increase the rate of shell breaking of the pine nuts. The upper pinch roller is used as a compression end and corresponds to a hole (namely a pine nut accommodating groove) position, the upper pinch roller is also provided with a limit rod 33 and a spring rod 34, and when encountering a long pine nut, the upper pinch roller 20 is jacked up to break the shell after the maximum bearing capacity of the pine nut is reached. When the shell is broken, the pressure sensor 40 transmits a signal to the processor 41, and the upper pressure driving motor 36 is started timely to drive the worm 37 to rotate, and the worm wheel 38 is driven to rotate, so that the pull belt 39 is tensioned or loosened, and the downward pressure of the upper pressing wheel 20 is increased or reduced. The pressure processor 41 adjusts the start and stop of the upper pressure driving motor 36 according to the detection result of the pressure sensor 40, thereby more precisely controlling the downward pressure of the upper pressing wheel 20 and effectively reducing the kernel breaking rate of pine nuts. Through multiple experimental verification, the designed upper pressing wheel 20 and the auxiliary structures (a limiting rod, a pressure spring, a pressure sensor, a pressure processor, an upper pressing driving motor, a worm gear and a tightening belt) thereof can calculate the lower pressure given by the proper upper pressing wheel 20, and the data are used as references of the pressure processor, so that the pressure processor can control the upper pressing driving motor 36 to work, the pressure of the upper pressing wheel 20 is controlled more accurately, the pine nuts can be broken, the pine nuts are not crushed, and the broken kernel rate is reduced.
In order to meet the requirements of pine nuts of different varieties and different shapes, the upper pressing wheel 20 and the lower pressing cylinder 19 can be replaced under different conditions (long grain, ellipse and the like), wherein the gear pump 23 can control six hydraulic rods 24 to stretch and retract in a positive and reverse rotation manner, the end part of the extended hydraulic rod 24 abuts against the inner wall of the lower pressing cylinder 19, so that the lower pressing cylinder 19 works normally, and when the lower pressing cylinder 19 needs to be replaced, the gear pump 23 controls the hydraulic rod 24 to retract, thereby facilitating the removal of the lower pressing cylinder 19; in addition, the push rod 25 and the link 26 are also required to be pulled out from the insertion groove of the bracket 22 when the push tube 19 is replaced in order to replace the push tube 19.

Claims (3)

1. The pine nut shell breaking device is characterized by comprising a shelling frame body (18), wherein a lower pressing cylinder (19) and a row of upper pressing wheels (20) are arranged on the shelling frame body (18), and pine nut accommodating grooves (21) are formed in corresponding positions on the lower pressing cylinder (19) and the upper pressing wheels (20); the lower pressing cylinder (19) and a row of upper pressing wheels (20) which are coaxially arranged are driven to rotate by a common shelling driver;
each upper pressing wheel (20) is coaxially connected with an upper pressing frame (32), two limiting rods (33) are connected to the upper pressing frames (32), a spring rod (34) is connected to the positions, adjacent to the two limiting rods (33), of the upper pressing frames (32), the spring rod (34) is parallel to the adjacent limiting rods (33), the tops of springs sleeved outside the spring rod (34) are connected with sliding blocks (35), one ends of the sliding blocks (35) are fixedly connected with the tops of the springs, the other ends of the sliding blocks are slidably sleeved on the limiting rods (33), sleeves (33-1) are connected to the tops of all the limiting rods (33), a cross rod (42) is sleeved on the sleeve (33-1) of the limiting rods (33) in the same row, and two ends of the cross rod (42) are connected to the unshelling frame body (18); an upper pressing driving motor (36) is arranged on the upper pressing frame (32), a worm (37) is meshed with the output end of the upper pressing driving motor (36), a worm wheel (38) is meshed with the worm (37), a pull belt (39) is wound on the worm wheel (38), one end of the pull belt (39) is fixed on the worm wheel (38), the other end of the pull belt is connected to the upper pressing frame (32) after bypassing the two sliding blocks (35) in sequence, a pressure sensor (40) is arranged in a pine nut accommodating groove (21) of the upper pressing wheel (20), a pressure processor (41) is further arranged in the upper pressing frame (32), and the pressure processor (41) is electrically connected with the pressure sensor (40) and the upper pressing driving motor (36), so that the starting and stopping of the upper pressing driving motor (36) are adjusted according to the detection result of the pressure sensor (40);
a bracket (22) extending into the lower pressure cylinder (19) is further arranged on the shelling frame body (18), a slot is formed in the end part of the bracket (22), a gear pump (23) and a plurality of hydraulic rods (24) are further arranged on the bracket (22), and the gear pump (23) is used for driving the hydraulic rods (24) to stretch; the rear end part of the hydraulic rod (24) is stretched to be abutted against the inner side wall of the pressing cylinder (19); an electric push rod (25) is further arranged on the unshelling frame body (18) at one end of the pressing cylinder (19), the end part of the electric push rod (25) is connected with a connecting rod (26), and one end of the connecting rod (26) is used for being inserted into a slot at the end part of the support (22).
2. Pine nut shelling device according to claim 1, characterized in that the shelling driver comprises a shelling driving motor (29-1), a central gear (29-2) is sleeved at the output end of the driving motor, an inner gear ring (29-3) is arranged at one end of the pressing cylinder (19) close to the shelling driving motor (29-1), three edge gears are meshed with the edge of the inner gear ring (29-3), namely a first edge gear (29-4), a second edge gear (29-5) and a third edge gear (29-6), an inner force transmission gear (29-7) is meshed between the first edge gear (29-4) and the central gear (29-2), a central outer gear (29-8) is coaxially sleeved at the outer side of the central gear (29-2), a second edge outer gear (29-9) is coaxially sleeved at the outer side of the second edge gear (29-5), and an outer force transmission gear (29-10) is meshed between the second edge outer gear (29-9) and the central outer gear (29-8); the utility model discloses a shelling rack, including first edge gear (29-4), first edge gear (29-4) outside coaxial sleeve is equipped with first edge external gear (29) - (11), first edge external gear (29-11) have top gear (29-12) through the tooth area joint, and top gear (29-12) coaxial sleeve is equipped with a plurality of drive pinion (29-13), driven pinion (29-14) have all been cup jointed coaxially to the both sides of going up pinch roller (20), the quantity of drive pinion (29-13) and driven pinion (29-14) is unanimous, and drive pinion (29-13) and driven pinion (29-14) meshing that correspond have the tooth area, and the center pin of all gears all is connected on shelling rack (18).
3. The pine nut shell breaking device according to claim 1, wherein four supporting rollers (31) are arranged below the shelling frame body (18), annular grooves are formed in the side walls of the supporting rollers (31), annular ribs are arranged on two sides of the pressing cylinder (19), and the annular ribs are abutted to the annular grooves of the supporting rollers (31).
CN202321428193.1U 2023-06-07 2023-06-07 Pine nut shell breaking device Active CN220140734U (en)

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