CN211618175U - Automatic production device for mixed nuts - Google Patents
Automatic production device for mixed nuts Download PDFInfo
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- CN211618175U CN211618175U CN201922435488.1U CN201922435488U CN211618175U CN 211618175 U CN211618175 U CN 211618175U CN 201922435488 U CN201922435488 U CN 201922435488U CN 211618175 U CN211618175 U CN 211618175U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 235000021011 mixed nuts Nutrition 0.000 title claims description 12
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 58
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- 235000014571 nuts Nutrition 0.000 claims description 91
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- 238000007493 shaping process Methods 0.000 abstract description 4
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Abstract
The utility model relates to an automated production device of mixed type nut, get the unit including the raw materials, raw materials transportation unit, feeding unit, wrapping bag shaping unit, envelope unit and singlechip, wherein the raw materials is got the unit and is used for getting the mixed type nut of comparatively accurate weight of title, raw materials transportation unit is arranged in transporting the above-mentioned nut of having called to feeding unit, wrapping bag shaping unit is arranged in becoming open-top's wrapping bag with the packaging film and carries the wrapping bag to feeding unit below, envelope unit is used for carrying out the envelope with the wrapping bag of the mixed type nut of packing. The utility model discloses with the production and packaging streamlined of mixed type nut, efficient, weigh the accuracy moreover, can effectively reduce the producer cost.
Description
Technical Field
The utility model relates to a food automation assembly line technical field, concretely relates to automated production device of mixed type nut.
Background
Leisure foods (leisurefood) are also a kind of fast-consumption products, and are foods eaten by people during leisure and rest, such as melon seeds, peanuts, preserved plums, biscuits and the like. With the increasing living conditions. The demand of China for such leisure food is continuously increasing. Meanwhile, with the demand of people for healthy diet becoming higher and higher, in recent years, mixed nuts are increasingly sold, that is, different types of nuts, such as cashew nuts, pistachios, peanuts, melon seeds and the like, are contained in the same small bag.
This type of product generally can not require the weight of each composition all very accurate, but guarantee that each kind of nut all has, moreover the total weight of nut in the wrapping bag is up to standard, generally than the printing value 0 ~ 5g big. Because the raw material price of the nuts is higher and is much larger than the package printing value, manufacturers can generate larger loss. In addition, the existing nut production device has low efficiency and can not realize flow line production.
Therefore, there is a great need in the art for an automated mixed nut production apparatus that is more accurate and efficient in weighing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic production device of mixed type nut in order to overcome the defects of the prior art.
In order to achieve the purpose of the present invention, the present application provides the following technical solutions.
In a first aspect, the present application provides an automated mixed nut production apparatus, comprising:
raw material weighing unit: the nut weighing device comprises a first weighing unit and a second weighing unit, wherein the first weighing unit and the second weighing unit are similar in structure and are in an inverted circular truncated cone shape, each vibrating platform comprises a top vibrating platform, at least two layers of bearing units and a collecting unit, the bearing units are arranged on the side walls, the vibrating platform is provided with a baffle and is uniformly divided into a plurality of vibrating areas through the baffle, nuts of the same type are at least placed in the two vibrating areas, each layer of bearing unit comprises a plurality of bearing funnels with the same height, each bearing funnel corresponds to one vibrating area or the bearing funnel of the previous layer, and a weight sensor is arranged in each bearing funnel;
a raw material transportation unit: the material frame weighing device is arranged below the collecting unit of the first weighing unit, a plurality of material frames are arranged on the conveying belt, and the material frames circularly move along with the conveying belt;
a feeding unit: the automatic packaging machine comprises a hopper, a material guide plate and a lifting mechanism, wherein the hopper is arranged below one end of a conveying belt and is positioned right below a second weighing unit, the material guide plate is positioned right below the hopper, and the lifting mechanism is used for driving the material guide plate to be inserted into a packaging bag;
a packaging bag forming unit: the packaging bag forming unit is used for manufacturing a packaging bag with an opening at one side by using a packaging film wound on the unwinding shaft and conveying the packaging bag to the lower part of the material guide plate;
a bag sealing unit: used for sealing the packaging bag filled with the mixed nuts.
This application is through the cooperation between each unit, and the intermittent type formula is accomplished the weighing of mixed type nut, is carried, the one shot forming of wrapping bag, the reinforced and the sealing of wrapping bag of mixed type nut, and whole journey is through automatic operation, and machining efficiency is high.
In one embodiment of the first aspect, the vibration regions are independent of each other, and a vibration exciter is arranged at the bottom of each vibration region; this application makes vibration platform vibrate through the vibration exciter to form resonance with the raw materials, make the nut outwards remove from vibration platform's inside, vibration platform's transport principle is similar with jigging conveyer.
In an embodiment of the first aspect, the receiving hopper includes a receiving frame, a fixed inclined plate, a rotating inclined plate, and a driving unit, wherein the receiving frame is fixed on a side wall and penetrates through the side wall in a vertical direction, an upper end of the fixed inclined plate is fixed to a bottom of the receiving frame, a lower end of the fixed inclined plate inclines in a direction away from the side wall, an upper end of the rotating inclined plate is connected to the side wall of the receiving frame through a rotating shaft, the rotating inclined plate and the fixed inclined plate are arranged in a V-shape, and the driving unit is configured to drive the rotating inclined plate to rotate around the rotating shaft; the nuts fall down from the vibration area or the receiving hopper on the upper layer, pass through the receiving frame and then continuously descend, and finally fall into a V-shaped space formed by the fixed inclined plate and the rotary inclined plate.
In an embodiment of the first aspect, a support flat plate is arranged at a middle lower portion of the swash plate, one end of the support flat plate is fixedly connected with the swash plate integrally, the other end of the support flat plate abuts against the bottom end of the fixed swash plate, and a weight sensor is arranged on the support flat plate; the supporting flat plate is arranged, so that nuts can fall on the supporting flat plate, and the weight of the nuts can be accurately obtained through the weight sensor.
In an embodiment of the first aspect, a gear is disposed on the rotating shaft, the driving unit is a rotating motor, the rotating motor is connected to the gear through a chain, the swash plate is fixed to the rotating shaft and rotates synchronously, and the rotating shaft is connected to the side wall of the receiving frame through a bearing. When the rotating motor rotates, the rotating shaft is driven to rotate through the chain, so that the rotating inclined plate is driven to rotate, at the moment, the bottom of a V-shaped space formed by the rotating inclined plate and the fixed inclined plate is opened, and nuts fall into the next layer of receiving hopper or collecting hopper under the action of gravity.
In an embodiment of the first aspect, the conveyer belt is provided with a plurality of material frames distributed at equal intervals, and a pressure sensor is arranged in each material frame. The utility model provides a mode that the conveyer belt adopted intermittent type to remove operates, specifically, all material frames are fixed on the conveyer belt with the same interval, and the distance that the conveyer belt gos forward at every turn just is the interval of two material frames, just so can send the material frame to the funnel accurately under. After the material frame reachs under the funnel, conveyer belt stop motion, after the nut was weighed and is got the opening of following the funnel bottom and fall into the material frame, the pressure sensor of material frame bottom sends signal and gives the controller, and controller control conveyer belt operation stops once more after moving a interval forward, so relapse, realizes weighing and the transportation process of nut.
In an embodiment of the first aspect, the material guiding plate is conical, the area of the top opening of the material guiding plate is larger than the area of the bottom of the hopper, and the width of the bottom of the material guiding plate is smaller than the width of the opening of the packaging bag. This setting can guarantee that the stock guide bottom can insert in the wrapping bag when descending to guarantee that the nut that falls down from the hopper can get into in the wrapping bag, can not cause the waste of nut.
In one embodiment of the first aspect, the unwinding shaft is wound with a printed packaging film and unwinds the printed packaging film during production.
In one embodiment of the first aspect, the guide roller unit comprises a plurality of horizontally arranged guide rollers, the guide rollers are parallel to the unwinding shaft, two ends of each guide roller are provided with baffle plates, and the distance between the two baffle plates is the same as the width of the packaging film; the guide rollers are arranged to enable the packaging film to be tight; more importantly, the moving track of the packaging film is fixed, so that the packaging film is prevented from deviating in the moving process and influencing subsequent folding.
In one embodiment of the first aspect, the bottom of the pair of folding plates is arc-shaped, the vertical distance between the bottom of the pair of folding plates and the packaging film in the horizontally forward moving state is equal to half of the width of the packaging film, and the pair of folding plates are located at the center of the width of the packaging film in the horizontally forward moving state; the bottom of the folded plate is set to be in a circular arc shape, so that the packaging film is prevented from being scratched by edges and corners.
In one implementation manner of the first aspect, the flattening unit comprises two vertical plates, the distance between the two vertical plates is 0.5-1.5 mm, and the folded packaging film passes through the two vertical plates; the flattening unit is arranged to further enable the packaging film to be symmetrical, and convenience is brought to subsequent processes.
In one embodiment of the first aspect, a heating wire is arranged in the vertical plate, and the heating wire is used for preheating the packaging film. This application adds electric heating wire in vertical board, preheats the packaging film, avoids the packaging film to be heated suddenly when arriving and seals the unit, leads to sealing the effect poor. The preheating temperature of the vertical plate is generally 80-100 ℃.
In one embodiment of the first aspect, the sealing unit comprises two heating plates and a first driving mechanism for driving the heating plates to move, the two heating plates are vertically and symmetrically arranged on two sides of the folded packaging film and form a vertical seal on the packaging film, and the first driving mechanism is used for driving the two heating plates to move in a direction perpendicular to the side faces of the packaging film; during operation, two hot plates are close to the packaging film side under actuating mechanism's drive, until two hot plates all contact with the side of packaging film, two hot plates continue to move in opposite directions to produce the extrusion force to the packaging film, because the hot plate temperature is higher, make the local melting of being heated of packaging film, consequently the packaging film of symmetry accomplishes the closure under the extrusion force effect, then two hot plates of actuating mechanism drive keep away from the packaging film, accomplish and seal. The temperature of the heating plate is generally 150-200 ℃ in the application, and can be adjusted according to different materials of the packaging film. The first actuating mechanism that this application adopted is current product, like telescopic cylinder, linear electric motor etc. all can realize as long as can accomplish hot plate reciprocating motion can, does not have special requirement to the model. The heating mode adopted by the heating plate can be selected from various modes, such as electric heating, laser heating, ultrasonic heating and the like.
In one embodiment of the first aspect, the cutting unit comprises two vertically arranged blades and a second driving unit for driving the blades to move, the two blades are arranged on two sides of the sealed packaging film, the cutting edges of the blades are aligned with the center of the seal, and the second driving mechanism is used for driving the two blades to move in a direction perpendicular to the side faces of the packaging film. The blade edge of the blade cuts against the center of the seal so that each seal becomes a seal on the back side of the previous bag and a seal on the front side of the next bag. The second drive unit that this application adopted is current product, like telescopic cylinder, linear electric motor etc. all can realize as long as can accomplish blade reciprocating motion can, does not have special requirement to the model.
In an embodiment of the first aspect, the traction unit includes two connecting plates, a plurality of pairs of clamp plates relatively disposed on the two connecting plates, and a third driving mechanism and a fourth driving mechanism for driving the connecting plates to move, wherein the two connecting plates are disposed on two sides of the packaging film, the third driving mechanism drives the two connecting plates to move in a direction perpendicular to the side surface of the packaging film, the fourth driving mechanism drives the two connecting plates to move in the length direction of the packaging film, and the distance of the clamp plates in the length direction of the packaging film is the length of one packaging bag, and the distance between two adjacent pairs of clamp plates is the length of one packaging bag. When the packaging film unwinding device works, the third driving mechanism drives the connecting plate to move in the direction perpendicular to the side face of the packaging film until the two pairs of clamping plates clamp and fix the packaging film, then the fourth driving mechanism drives the connecting plate to move forwards, the moving distance is just the length of one packaging bag, and the packaging film is always in a continuous state, so that the connecting plate drives the whole packaging film to move forwards for a distance, including the unwinding shaft unwinding the packaging film for the length distance of one packaging bag. After the movement is finished, the sealing unit and the cutting unit start to work simultaneously to finish sealing and cutting, then the third driving mechanism drives the connecting plate to loosen, and the fourth driving mechanism returns backwards for a distance of one packaging bag. And the steps are repeated in sequence to realize the intermittent forward movement of the packaging film. The third actuating mechanism and the fourth actuating mechanism that this application adopted also are current products, like telescopic cylinder, linear electric motor etc. all can realize as long as can accomplish splint reciprocating motion can, do not have special requirement to the model. The wrapping bag that obtains can be directly used for filling of nut, weighs, filling device seamless joint with the nut promptly, realizes the production of assembly line, raises the efficiency.
In one embodiment of the first aspect, the drawing unit is further provided with a plurality of pairs of jaws distributed at equal intervals for holding the packages cut by the blade for filling and closing, respectively, the packages, and a fifth driving mechanism for driving each pair of jaws to open or close.
In one embodiment of the first aspect, the connecting plate has a length from the blade to terminate at the envelope unit.
In one embodiment of the first aspect, the bag sealing unit includes two heat seal plates and a sixth driving mechanism for driving the heat seal plates to move in a direction perpendicular to the side of the packaging bag.
In an embodiment of the first aspect, the apparatus is provided with a controller, which is connected to the raw material weighing unit, the raw material transporting unit, the feeding unit, the packaging bag forming unit and the bag sealing unit, and is configured to control the operation of the raw material weighing unit, the raw material transporting unit, the feeding unit, the packaging bag forming unit and the bag sealing unit.
In one embodiment of the first aspect, the controller is a single chip microcomputer.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the packaging bag can be obtained by automatically forming the packaging film, and the packaging film can be transported in a roll manner, so that the transportation cost is reduced;
(2) the prepared packaging bag can be directly used for filling nuts, can be seamlessly connected with a nut weighing and filling device, realizes production of a production line, and improves efficiency;
(3) by arranging the first weighing unit and the second weighing unit, the weight and the category of various materials of the mixed nut can meet the production requirement;
(4) the weight of each dropped nut is monitored through a weight sensor, and then the operation of the receiving hopper and the vibration platform is controlled through a single chip microcomputer, so that the total weight of nuts obtained in each batch is controllable and more accurate;
(5) the whole device runs in a streamlined mode and is high in efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a raw material weighing unit, a raw material transporting unit and a feeding unit according to the present application;
fig. 2 is a schematic top view of a vibrating platform in a first weighing unit according to the present application;
FIG. 3 is a schematic side view of a receiving funnel in the first weighing unit and the second weighing unit according to the present application;
FIG. 4 is a schematic view of the unwinding shaft, the guide roller unit and the structure of the folding plate in the present application;
FIG. 5 is a view showing a state change of the wrapping film at the folded plate;
FIG. 6 is a schematic view of the construction of the guide roller of the present application;
FIG. 7 is a schematic structural view of a flattening unit according to the present application;
fig. 8 is a schematic structural diagram of the packaging film of the present application in a sealing unit, a cutting unit, a drawing unit, a feeding unit and a sealing unit.
In the drawing, 1 is a vibration platform, 2 is a receiving hopper, 3 is a collecting hopper, 4 is a hopper, 5 is a baffle, 6 is a vibration exciter, 7 is a conveying belt, 8 is a hopper, 9 is a second weighing unit, 10 is a first weighing unit, 11 is a receiving frame, 12 is a rotating inclined plate, 13 is a fixed inclined plate, 14 is a supporting flat plate, 15 is a weight sensor, 16 is a rotating shaft, 17 is a rotating motor, 18 is a chain, 19 is a material frame, 20 is a pressure sensor, 21 is a material guide plate, 22 is a lifting mechanism, 23 is a packaging film, 24 is a unreeling shaft, 25 is a guide roller, 26 is a folding plate, 27 is a baffle, 28 is a vertical plate, 29 is an electric heating wire, 30 is a heating plate, 31 is a blade, 32 is a connecting plate, 33 is a clamping plate, 34 is a seal, 35 is a packaging bag, 36 is a heat sealing plate, and 37 is a clamping.
Detailed Description
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as is understood by those of ordinary skill in the art to which the invention belongs. All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.
In the following description of the embodiments of the present invention, it is noted that in the detailed description of the embodiments, all the features of the actual embodiments may not be described in detail in order to make the description concise and concise. Modifications and substitutions may be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the invention, and the resulting embodiments are within the scope of the invention.
Examples
The embodiments of the present invention will be described in detail below, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
The utility model provides an automated production device of mixed type nut, it includes that the raw materials is got the unit of title, raw materials transportation unit, the feeding unit, wrapping bag shaping unit, envelope unit and singlechip, wherein the unit is got to the raw materials is used for getting the mixed type nut of comparatively accurate weight of title (this embodiment includes the cashew nut, pistachio nut, the peanut, hazelnut and shelled melon seed), raw materials transportation unit is arranged in transporting the above-mentioned nut of title to the feeding unit, wrapping bag shaping unit is arranged in making top open-ended wrapping bag 35 with packaging film 23 and carries wrapping bag 35 to feeding unit below, the envelope unit is used for carrying out the envelope with the wrapping bag 35 of the mixed type nut of packing.
The structure of the raw material weighing unit, the raw material transporting unit and the feeding unit is shown in fig. 1, the raw material weighing unit comprises a first weighing unit 10 and a second weighing unit 9, the raw material transporting unit comprises a conveyer belt 7 and a material frame 19 fixed on the conveyer belt 7 at equal intervals, and the feeding unit comprises a hopper 8, a material guide plate 21 and a lifting mechanism 22. Wherein, first unit 9 mutually independent is weighed to unit 10 and the second of weighing is all used for weighing and obtaining the nut of a definite weight, and the raw materials that first unit 10 of weighing was got is transported to hopper 8 through conveyer belt 7, and the second is weighed and is weighed during the raw materials that unit 9 obtained directly falls into hopper 8 of below, and the nut in last hopper 8 passes through stock guide 21 and gets into wrapping bag 35, accomplishes the feeding. The lifting mechanism 22 is used for lifting the material guide plate 21, the area of the top opening of the material guide plate 21 is larger than the area of the bottom of the hopper 8, and the width of the bottom of the material guide plate 21 is smaller than the width of the opening of the packaging bag 35.
Each layer of receiving unit includes a plurality of receiving funnels 2 at the same height, only two or one receiving funnels at each layer are taken as an example in the figure, in this embodiment, the number of receiving funnels 2 at each layer in the first weighing unit 10 is eight, and the number of receiving funnels 2 at each layer in the second weighing unit 9 is six. Every accepts funnel 2 and corresponds with the accepting funnel 2 of a vibration region or upper strata, accept the structure of funnel 2 and be shown in fig. 3, including accepting frame 11, fixed swash plate 13, swash plate 12 and drive unit, wherein, accept frame 11 and fix the lateral wall and link up in vertical direction, fixed swash plate 13's upper end is fixed with the bottom of accepting frame 11, and fixed swash plate 13's lower extreme is to the direction slope of keeping away from the lateral wall, swash plate 12's upper end is connected through pivot 16 with the lateral wall of accepting frame 11, swash plate 12 is the V-arrangement with fixed swash plate 13, drive unit is used for the drive to rotate swash plate 12 round pivot 16. The middle lower part of swash plate 12 is equipped with support flat plate 14, and the one end of support flat plate 14 and swash plate 12 integration fixed connection, the bottom butt of the other end and fixed swash plate 13 are equipped with weight sensor 15 on the support flat plate 14, weight sensor 15 and singlechip signal connection. The rotating shaft 16 is provided with a gear, the driving unit is a rotating motor 17, the rotating motor 17 is connected with the gear through a chain 18, the rotating inclined plate 12 and the rotating shaft 16 are fixed and rotate synchronously, and the rotating shaft 16 is connected with the side wall of the bearing frame 11 through a bearing.
The collecting unit comprises a plurality of collecting hoppers 83 and a conical hopper 4 at the bottom, the bottom of the hopper 4 is open, the top of the hopper 4 surrounds the outlets of all the collecting hoppers 83, and each collecting hopper 83 corresponds to each receiving hopper 2 at the lowermost layer, that is, in the present embodiment, the number of collecting hoppers 83 in the first weighing unit 10 is eight, and the number of collecting hoppers 83 in the second weighing unit 9 is six. (only two or one collection hopper 83 are shown as examples).
The conveyer belt 7 is provided with a plurality of material frames 19 which are distributed at equal intervals, the bottom of each material frame 19 is provided with a pressure sensor 20, and the pressure sensors 20 are in signal connection with the single chip microcomputer.
The packaging bag forming unit of the device comprises an unwinding shaft 24, a guide roller unit, a folding plate 26, a flattening unit, a sealing unit, a cutting unit and a traction unit, wherein the raw material is a packaging film 23 continuously wound on the unwinding shaft 24, the width of the packaging film 23 is 20cm, a product to be finally obtained in the embodiment is a food packaging bag 35 with the height of 10cm and the length of 7.5cm, and three edges of the food packaging bag 35 are sealed, and one edge is open. The packaging bag forming unit comprises the following specific steps:
a guide roller unit: the device comprises two guide rollers 25, the two guide rollers 25 are located in the same vertical plane, two ends of the two guide rollers 25 are provided with baffles 27, and as shown in fig. 6, the distance between the two baffles 5 is 20 cm. The wrapping film 23 is unwound from an unwinding spool 24 and extends forward around two guide rollers 25.
A vertically arranged folding plate 26 is fixed in front of the upper guide roller 25, the bottom of the folding plate 26 is arc-shaped, the vertical distance between the bottom end of the folding plate 26 and the top end of the upper guide roller 25 is 10cm, and the projection of the folding plate 26 in the vertical direction just falls on the central line of the packaging film 23. The structure of the packaging film 23 at the unwinding shaft 24, the guide roller unit and the folding plate 26 is shown in fig. 4, and the form of the packaging film 23 after passing through the folding plate 26 is changed as shown in fig. 5, that is, the packaging film is changed from a horizontally unfolded state to a vertically folded state, that is, (a) in fig. 2 is changed to (b).
The flattening unit is arranged at the downstream (namely the front) of the folding plate 26, the flattening unit comprises two vertical plates 28, the distance between the two vertical plates 28 is 0.5mm, and the folded packaging film 23 passes through the space between the two vertical plates 28. The vertical plate 28 is provided with a heating wire 29, the heating wire 29 is used for preheating the packaging film 23, and as shown in fig. 7 in particular, the packaging film 23 in a vertically folded state is flattened and aligned after passing through the flattening unit.
The sealing unit, the cutting unit, the feeding unit and the bag sealing unit are sequentially arranged at the downstream (namely the front) of the flattening unit, and the traction unit is arranged at the downstream (namely the front) of the cutting unit, as shown in fig. 8.
The sealing unit comprises two heating plates 30 and a first driving mechanism (not shown in the figure) for driving the heating plates 30 to move, the two heating plates 30 are vertically and symmetrically arranged on two sides of the folded packaging film 23, a vertical seal 34 is formed on the packaging film 23, namely the packaging film 23 is converted from a state b to a state c, and the first driving mechanism is used for driving the two heating plates 30 to move in a direction perpendicular to the side surfaces of the packaging film 23.
The cutting unit comprises two vertically arranged blades 31 and a second driving unit (a second driving mechanism is not shown in the figure) for driving the blades 31 to move, the two blades 31 are arranged at two sides of the sealed packaging film 23, the cutting edges of the blades 31 are aligned with the center of the seal, the cutting edges of the two blades 31 are slightly deviated, and the second driving mechanism is used for driving the two blades 31 to move in a direction perpendicular to the side surfaces of the packaging film 23.
The sealing unit includes two heat seal plates 36 and a sixth drive mechanism (the second drive mechanism is not shown in the drawings) for driving the heat seal plates 36 to move in a direction perpendicular to the side of the packaging bag 35.
The drawing unit includes two connecting plates 32, a plurality of pairs of clamping plates 33 disposed on the connecting plates 32, a third driving mechanism and a fourth driving mechanism for driving the connecting plates 32 to move, a plurality of pairs of clamping jaws 37 fixed in position, and a fifth driving mechanism (the third driving mechanism, the fourth driving mechanism, and the fifth driving mechanism are not shown in the figure) for driving the clamping jaws 37 to open or close, wherein the two connecting plates 32 are disposed on both sides of the packaging film 23, the third driving mechanism drives the two clamping plates 33 to move in a direction perpendicular to the side surfaces of the packaging film 23, and the fourth driving mechanism drives the two clamping plates 33 to move in the length direction of the packaging film 23. Each pair of clamping plates 33 comprises a left group and a right group, each group comprises two flat plates which are vertically arranged, and the two flat plates of each group are arranged outside the two side surfaces of the packaging bag 35; and each pair of clamping plates 33 is used for fixing the front and the rear seals 34 of the packaging bag 35. The jaws 37 also include two pairs for securing the front and rear seals 34 of the bag 35, as shown in fig. 8.
In this embodiment, each package bag 35 should contain 50g of mixed nuts, including five raw materials of cashew nuts, pistachios, peanuts, hazelnuts and shelled melon seeds, and the total weight of the nuts in each package bag 35 is required to be 50-52 g, and the working principle of the device is as follows:
(1) cashew nuts, pistachios, peanuts and hazelnuts are placed in the vibration area of the first weighing unit 10, each nut occupies two vibration areas, each nut is divided into large particles and small particles, one vibration area is used for placing the large particles, and the other vibration area is used for placing the small particles. The shelled melon seeds are placed in six vibration areas of the second weighing unit 9. Then the exciter 6 is activated and the nuts move under vibration from the inside to the outside of the vibrating area.
(2) Firstly, the first weighing unit 10 weighs about 40g of mixed nuts of cashew nuts, pistachios, peanuts and hazelnuts, specifically as follows: when the cashew nuts, pistachios, peanuts and hazelnuts move to the edge of the vibration area and fall down, the cashew nuts, the pistachios, the peanuts and the hazelnuts fall into the receiving hopper 2 on the uppermost layer, finally stop on the supporting flat plate 14 on the inclined rotating plate 12, weigh the cashew nuts by the weight sensor 15 to obtain the weight of the nuts, and convert the weight into an electric signal to be transmitted to the single chip microcomputer; then the single chip microcomputer controls a rotating motor 17 to rotate, a rotating shaft 16 is driven to rotate through a chain 18, so that a rotating inclined plate 12 is driven to rotate, and nuts fall into a next layer of receiving hopper 2 under the action of gravity; then the single chip microcomputer controls the rotating motor 17 to rotate reversely, so that the rotating inclined plate 12 and the fixed inclined plate 13 recover a V-shaped closed state, and then the next batch of nuts from the vibration area begin to fall into the receiving hopper 2;
(3) after the nuts have fallen in the receiving hopper 2 of the lower level on the same principle, they are weighed by the weight sensor 15 in the receiving hopper 2 of the level. The single chip microcomputer carries out data processing after receiving the weight of the nuts in each receiving hopper 2 on the layer, and respectively carries out the following operations:
a) if the sum of the nut mass in each receiving funnel 2 of the lower layer is 38-2 g, the rotation motor 17 of each receiving funnel 2 of the lower layer is controlled by the single chip microcomputer to rotate, the rotating inclined plate 12 is opened, nuts fall into the collecting hopper 83 and finally fall into the funnel 4, and the first weighing unit 10 is weighed and taken.
b) If the sum of the nut masses in the lower-layer receiving hoppers 2 exceeds 2g, the single chip microcomputer selects a plurality of nuts from the lower-layer receiving hoppers 2, so that the nut mass sum is 38-2 g, and each kind of nut is required to be selected at the moment; then the single chip microcomputer controls the rotating motors 17 corresponding to the receiving hoppers 2 to rotate, so that nuts finally fall into the hoppers 4, and the material taking of the first weighing unit 10 is completed; the rest receiving hoppers 2 and the single chip microcomputer control the corresponding upper receiving hopper 2 and the vibration area to keep static, but the operation is preferentially carried out when the materials are taken next time.
c) If the sum of nut mass in each accepting funnel 2 of lower floor is less than 38g, the singlechip carries out data processing, calculates the size of nut mass sum and predetermined value in two-layer accepting funnel 2, if the total weight of nut is 38 ~ 2g in two-layer accepting funnel 2, then all rotation motor 17 that accept funnel 2 of singlechip control rotate, all fall into funnel 4 with all nuts, accomplish first getting of weighing unit 10 and get the material.
d) If the sum of the nut masses in the bearing funnels 2 on the lower layer is less than 38g, the single chip microcomputer performs data processing, the sum of the nut masses in the bearing funnels 2 on the two layers is calculated, if the sum of the nut masses exceeds 2g, the single chip microcomputer controls to open all the bearing funnels 2 on the lower layer, and a plurality of bearing funnels 2 are selected on the upper layer to be opened, so that the total weight of nuts is 38-2 g, and the first weighing unit 10 finishes material taking; the receiving hopper 2, which is not opened at the upper level, and the corresponding vibration area thereof are kept still and preferentially act when the next material is taken.
e) If the sum of the nut mass in each bearing funnel 2 of the lower layer is smaller than 38g, the single chip microcomputer performs data processing to calculate the nut mass sum in the two layers of bearing funnels 2, if the sum of the nut mass sum is still smaller than 38g, the lower layer of bearing funnels 2 is kept closed, all the upper layer of bearing funnels 2 are opened, nuts are all collected in the lower layer of bearing funnels 2, and then the upper layer of bearing funnels 2 are closed. After the nuts of the next batch fall into the upper-layer receiving funnel 2, the single chip microcomputer selects c), d) and e) to operate according to conditions, and finally material taking of the first weighing unit 10 is completed.
(4) From the nut that 4 bottom openings of funnel fell, fall into the material frame 19 directly below in, after pressure sensor 20 detected to have the nut in the material frame 19, signals gave the singlechip, and singlechip control conveyer belt 7 moves, just is located 4 bottom openings of funnel directly below until next material frame 19, and conveyer belt 7 stop motion waits for next batch of nut to drop from funnel 4 to this is relapse.
(5) The material frame 19 that is equipped with the nut advances with conveyer belt 7 intermittent type formula, and when reaching the one end of conveyer belt 7, the opening of material frame 19 begins downwards, and the nut falls into hopper 8 in the action of gravity, and the monolithic opportunity this moment passes through pressure sensor 20 response this material frame 19 interior total weight of mixing the nut, then calculates the difference with 50g to the weight of cell 9 is weighed to the control second is weighed and is got melon seed kernel. For example, 41.5g of mixed nuts of cashew nuts, pistachio nuts, peanuts and hazelnuts are poured out from the material frame 19 at a certain time, the single chip microcomputer controls the second weighing unit 9 to weigh 8.5 g of shelled melon seeds, the principle of the method is the same as that of the steps (2) and (3), the description is omitted, and the shelled melon seeds directly fall into the hopper 8 from the hopper 4 after being weighed, so that the whole feeding process of the mixed nuts is completed.
(6) In the nut weighing and conveying process, the forming of the packaging bag 35 is also carried out synchronously, and the method is as follows: the singlechip controls the third driving mechanism to move, drives the connecting plate 32 to move in the direction vertical to the side surface of the packaging film 23, so that each pair of clamping plates 33 fixed on the connecting plate 32 clamps the two side seals 34 of the packaging bag 35 in the state d, the state e and the state f, and clamps and fixes the packaging bag 35, and at the moment, the fifth driving unit controls all the clamping jaws 37 to be opened. Then the singlechip controls the fourth driving mechanism to move, the connecting plate 32 is driven to move forward by 7.5cm, the whole packaging film 23 is driven by the connecting plate 32 to move forward by 7.5cm because the packaging film 23 is always in a continuous state, and at the moment, the unreeling shaft 24 unreels the packaging film 23 of 7.5 cm.
(7) After the movement is finished, the singlechip controls the first driving mechanism, the second driving mechanism and the fifth driving mechanism to work simultaneously, wherein the first driving mechanism drives the two heating plates 30 to approach to the side face of the packaging film 23 until the two heating plates 30 are all contacted with the side face of the packaging film 23, the two heating plates 30 continue to move in opposite directions and generate extrusion force to the packaging film 23, because the temperature of the heating plates 30 is higher, the packaging film 23 is locally heated and melted, therefore, the symmetrical packaging film 23 is closed under the action of the extrusion force, then the first driving mechanism drives the two heating plates 30 to be far away from the packaging film 23, and the sealing 34 is finished. The second driving mechanism drives the blade 31 to approach the side of the packaging film 23, the blade edge of the blade 31 is aligned with the center of the seal 34, finally the seal 34 is divided into two parts under the action of the blade 31, wherein one half of the seal 34 is the seal 34 at the rear side of the front packaging bag 35, the other half of the seal 34 is the seal 34 at the front side of the rear packaging bag 35, the processes of the seal 34 and cutting are about 1-2 s, and the packaging film 23 is changed into a state c, a state d and a state e from a state b in sequence, and finally the packaging bag 35 is obtained. The fifth driving mechanism drives the jaws 37 to close and grasps the both side seals 34 of the packing bag 35 in the states e and f, so that the packing bag 35 is fixed.
(8) After the heating plate 30 and the blade 31 finish the sealing 34 and the cutting respectively, the single chip microcomputer controls the third driving mechanism to drive the connecting plate 32 to loosen, at this time, the packing bags 35 in the states e and f are fixed by the clamping jaws 37, and then the single chip microcomputer drives the lifting mechanism 22 and the sixth driving mechanism to operate simultaneously. The elevator mechanism 22 lowers the material guide plate 21 so that the bottom of the material guide plate 21 is inserted into the packaging bag 35 in the state e, and at this time, a batch of weighed nuts of mixed type just falls from the hopper 8 and enters the packaging bag 35. The sixth driving mechanism moves to drive the heat sealing plate 36 to approach the top of the packaging bag 35 in the state f until the two heating sealing plates 36 are both contacted with the side face of the packaging bag 35 in the state f, the two heat sealing plates 36 continue to move in opposite directions and generate extrusion force on the packaging bag 35, the heat sealing plates 36 are high in temperature, so that the packaging bag 35 is locally heated and melted, the top edge of the packaging bag 35 is closed under the action of the extrusion force, then the sixth driving mechanism drives the two heat sealing plates 36 to be far away from the packaging bag 35, and the packaging bag 35 filled with the mixed nuts is completely closed.
(9) And (4) when the packaging bags 35 in the states e and f are respectively fed and closed, the fourth driving mechanism returns backwards to move 7.5cm, and after the packaging bags 35 in the states e and f complete the process, the steps (6), (7) and (8) are repeated, so that the production line is realized.
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (10)
1. An automated mixed nut production apparatus, comprising:
raw material weighing unit: the nut weighing device comprises a first weighing unit and a second weighing unit, wherein the first weighing unit and the second weighing unit are similar in structure and are in an inverted circular truncated cone shape, each vibrating platform comprises a top vibrating platform, at least two layers of bearing units and a collecting unit, the bearing units are arranged on the side walls, the vibrating platform is provided with a baffle and is uniformly divided into a plurality of vibrating areas through the baffle, nuts of the same type are at least placed in the two vibrating areas, each layer of bearing unit comprises a plurality of bearing funnels with the same height, each bearing funnel corresponds to one vibrating area or the bearing funnel of the previous layer, and a weight sensor is arranged in each bearing funnel;
a raw material transportation unit: the material frame weighing device is arranged below the collecting unit of the first weighing unit, a plurality of material frames are arranged on the conveying belt, and the material frames circularly move along with the conveying belt;
a feeding unit: the automatic packaging machine comprises a hopper, a material guide plate and a lifting mechanism, wherein the hopper is arranged below one end of a conveying belt and is positioned right below a second weighing unit, the material guide plate is positioned right below the hopper, and the lifting mechanism is used for driving the material guide plate to be inserted into a packaging bag;
a packaging bag forming unit: the packaging bag forming unit is used for manufacturing a packaging bag with an opening at one side by using a packaging film wound on the unwinding shaft and conveying the packaging bag to the lower part of the material guide plate;
a bag sealing unit: used for sealing the packaging bag filled with the mixed nuts.
2. The automated hybrid nut production apparatus of claim 1, wherein the vibration zones are independent of each other and each vibration zone has a vibration exciter at the bottom;
the receiving hopper comprises a receiving frame, a fixed inclined plate, a rotating inclined plate and a driving unit, wherein the receiving frame is fixed on the side wall and is communicated in the vertical direction, the upper end of the fixed inclined plate is fixed with the bottom of the receiving frame, the lower end of the fixed inclined plate inclines towards the direction far away from the side wall, the upper end of the rotating inclined plate is connected with the side wall of the receiving frame through a rotating shaft, the rotating inclined plate and the fixed inclined plate are arranged in a V shape, and the driving unit is used for driving the rotating inclined plate to rotate around the rotating shaft;
a support flat plate is arranged at the middle lower part of the inclined rotating plate, one end of the support flat plate is fixedly connected with the inclined rotating plate in an integrated manner, the other end of the support flat plate is abutted against the bottom end of the inclined fixed plate, and a weight sensor is arranged on the support flat plate;
the rotary shaft is provided with a gear, the driving unit is a rotary motor, the rotary motor is connected with the gear through a chain, the rotary inclined plate is fixed with the rotary shaft and synchronously rotates, and the rotary shaft is connected with the side wall of the bearing frame through a bearing.
3. The automated hybrid nut production apparatus of claim 1, wherein the conveyor belt comprises a plurality of material frames equidistantly spaced apart from each other, and each material frame is provided with a pressure sensor therein.
4. The automated hybrid nut production apparatus of claim 1, wherein the guide plate is tapered, and the area of the top opening of the guide plate is larger than the area of the bottom of the hopper, and the width of the bottom of the guide plate is smaller than the width of the opening of the packaging bag.
5. The automated hybrid nut producing apparatus of claim 1,
the printed packaging film is wound on the unwinding shaft, and the packaging film is unwound during production;
the guide roller unit comprises a plurality of horizontally arranged guide rollers, the guide rollers are parallel to the unreeling shaft, two ends of each guide roller are provided with baffles, and the distance between the two baffles is the same as the width of the packaging film;
the bottom of the folding plate is arc-shaped, the vertical distance between the bottom of the folding plate and the packaging film in the horizontal forward moving state is equal to half of the width of the packaging film, and the folding plate is positioned in the center of the width direction of the packaging film in the horizontal forward moving state;
the flattening unit comprises two vertical plates, the distance between the two vertical plates is 0.5-1.5 mm, and the folded packaging film penetrates through the two vertical plates;
the vertical plate is internally provided with a heating wire which is used for preheating the packaging film.
6. The automatic production device of mixed nuts as claimed in claim 1, wherein said sealing unit comprises two heating plates vertically and symmetrically disposed on both sides of the folded packaging film and forming a vertical seal on the packaging film, and a first driving mechanism for driving the heating plates to move in a direction perpendicular to the side of the packaging film;
the cutting unit comprises two vertically arranged blades and a second driving unit for driving the blades to move, the two blades are arranged on two sides of the sealed packaging film, the cutting edges of the blades are aligned to the center of the seal, and the second driving mechanism is used for driving the two blades to move in the direction perpendicular to the side faces of the packaging film.
7. The apparatus for automatically producing mixed nuts as claimed in claim 6, wherein the pulling unit comprises two connecting plates, a plurality of pairs of clamping plates oppositely disposed on the two connecting plates, and a third driving mechanism and a fourth driving mechanism for driving the connecting plates to move, wherein the two connecting plates are disposed on both sides of the packaging film, the third driving mechanism drives the two connecting plates to move in a direction perpendicular to the side surfaces of the packaging film, the fourth driving mechanism drives the two connecting plates to move in the length direction of the packaging film, and each time the clamping plates move in the length direction of the packaging film by a distance of one packaging bag, the distance between two adjacent pairs of clamping plates is the length of one packaging bag;
the traction unit is also provided with a plurality of pairs of clamping jaws distributed at equal intervals and a fifth driving mechanism for driving each pair of clamping jaws to be opened or closed, and the clamping jaws are used for fixing the packaging bags cut by the blades;
the connecting plate has a length from the blade to the end of the bag-sealing unit.
8. The automated hybrid nut production apparatus of claim 7 wherein the envelope unit comprises two heat seal panels and a sixth drive mechanism for driving the heat seal panels in a direction perpendicular to the sides of the package.
9. The automated hybrid nut production device of claim 1, wherein the device is provided with a controller, and the controller is connected with the raw material weighing unit, the raw material transporting unit, the feeding unit, the packaging bag forming unit and the bag sealing unit and is used for controlling the operation of the raw material weighing unit, the raw material transporting unit, the feeding unit, the packaging bag forming unit and the bag sealing unit.
10. The automated hybrid nut production apparatus of claim 9, wherein the controller is a single-chip microcomputer.
Priority Applications (1)
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CN201922435488.1U CN211618175U (en) | 2019-12-30 | 2019-12-30 | Automatic production device for mixed nuts |
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CN201922435488.1U CN211618175U (en) | 2019-12-30 | 2019-12-30 | Automatic production device for mixed nuts |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112478205A (en) * | 2020-12-03 | 2021-03-12 | 杭州蓝泉科技有限公司 | Mixed dried fruit and nut packaging machine |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112478205A (en) * | 2020-12-03 | 2021-03-12 | 杭州蓝泉科技有限公司 | Mixed dried fruit and nut packaging machine |
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