CN109965329B

CN109965329B - Sine wave push-type puffed food surface wrapping technology

Info

Publication number: CN109965329B
Application number: CN201910208372.6A
Authority: CN
Inventors: 潘声田; 李俊
Original assignee: Anhui Yinglong Industrial Design Co ltd
Current assignee: Shandong Dashu Dafu special food Co., Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2021-08-24
Anticipated expiration: 2039-03-19
Also published as: CN109965329A

Abstract

The invention discloses a sine wave push-type puffed food surface wrapping process, which comprises the following steps: the bar-shaped food enters the wrapping machine and falls to the conveying belt of the wrapping machine, the conveying belt transmits power through the transmission conveying mechanism arranged on the wrapping machine, power is provided by the power supply mechanism arranged on the wrapping machine, when the conveying belt conveys the bar-shaped food, the motor is started, the output shaft of the motor rotates to drive the transmission driving wheel to rotate and drive the first driven wheel to rotate around the axis of the motor, the movement of the transmission roller enables a mass point on the conveying belt to do up-and-down simple harmonic movement, the movement of the transmission roller and the adsorption rod enables the contact interface of the conveying belt and the transmission roller to be always at the peak position, the contact interface of the conveying belt and the adsorption rod is always at the valley position, and the bar-shaped food is arranged at the conveying starting end of the conveying belt and at the valley position between the two adjacent transmission rollers.

Description

Sine wave push-type puffed food surface wrapping technology

Technical Field

The invention relates to the technical field of food processing, in particular to a sine wave pushing type puffed food surface wrapping machine.

Background

In the food processing process, for some candy foods, in order to improve the taste of the candy foods, the candies are often required to be wrapped by materials on the surfaces, most of the candies are wrapped by a manual method, the wrapping efficiency is low, the wrapping materials on the surfaces of the candies are not uniform enough, the leakage wrapping phenomenon often exists, the taste of the candies is influenced, and accordingly, the sine wave push type puffing food surface wrapping machine is designed, automatic multi-level wrapping can be performed on the foods such as the candies, the wrapping materials are uniform, the leakage wrapping phenomenon does not exist, and the wrapping efficiency is improved.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a sine wave push type puffed food surface wrapping machine which can be applied to surface wrapping of puffed foods, candies, sticks and the like, adopts an automatic multi-level wrapping mode to enable the wrapping on the surface of the foods to be more uniform, has no wrapping leakage area, improves the wrapping efficiency of the foods, and meanwhile, particles can be recycled to ensure the continuity of the food wrapping.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

Based on a sine wave push type puffed food surface wrapping process, the method comprises the following steps:

the wrapping and conveying process of the bar-shaped food comprises the following steps:

s1, the bar-shaped food enters into the wrapping machine and falls to the conveyer belt of the wrapping machine, the conveyer belt transmits power by the transmission conveyer mechanism arranged on the wrapping machine and is provided with power by the power supply mechanism arranged on the wrapping machine, the power supply mechanism comprises a motor, a first transmission part, a second transmission part and a third transmission part, the transmission conveyer mechanism comprises a plurality of transmission conveyer elements, the transmission conveyer elements comprise a first transmission belt wheel, a second transmission belt wheel and a connecting shaft, the first transmission part comprises a driving wheel coaxially and fixedly sleeved outside the output shaft of the motor and a first driven wheel coaxially and fixedly sleeved at one end of the connecting shaft, the transmission conveyer mechanism also comprises a conveyer assembly, the conveyer assembly is arranged on the transmission conveyer elements, the motor outputs power and conveys the power to the transmission conveyer elements, then the food is transmitted to a conveying component through a transmission conveying element and drives the conveying component to move, the conveying component comprises a first transmission belt and a second transmission belt, a transmission roller is arranged between the first transmission belt and the second transmission belt, an adsorption rod is arranged between adjacent transmission rollers, when the conveying belt conveys the bar-shaped food, a motor is started, an output shaft of the motor rotates to drive a transmission driving wheel to rotate and drive a first driven wheel to rotate around the axis of the motor, the first driven wheel rotates to drive a connecting shaft on the main transmission conveying element to rotate and drive a first transmission belt wheel and a second transmission belt wheel on the main transmission conveying element to rotate, so as to drive the first transmission belt and the second transmission belt to move, and drive the transmission roller and the adsorption rod to move along the moving direction of the first transmission belt and the second transmission belt, the movement of the transmission roller enables a mass point on the conveying belt to do up-and-down harmonic movement, the movement of the transmission rollers and the adsorption rod enables a contact interface of the conveyer belt and the transmission rollers to be always in a wave crest position, the contact interface of the conveyer belt and the adsorption rod to be always in a wave trough position, the bar-shaped food is placed at the conveying initial end of the conveyer belt and is in a wave trough position between two adjacent transmission rollers, the two adjacent transmission rollers are initial transmission rollers, the wave trough position between the two adjacent transmission rollers is always kept unchanged along with the movement of the transmission rollers, namely the bar-shaped food is always between the two initial transmission rollers, and when the two initial transmission rollers move to the conveying tail end of the conveyer belt, the bar-shaped food is conveyed to the conveying tail end of the conveyer belt, so that the wrapping conveying of the bar-shaped food is completed;

(II) powder particle conveying process:

s2, the powder particle conveying device arranged on the wrapping machine works, the powder particle conveying device comprises a discharging shell, a feeding shell, a conveying line body and a conveying pipe arranged between the discharging shell and the feeding shell and used for communicating the discharging shell and the feeding shell, a first conveying disc and a second conveying disc are respectively accommodated in the discharging shell and the feeding shell, poking plates are evenly arranged on the first conveying disc and the second conveying disc in the circumferential direction at intervals, a plurality of chain pieces which are evenly arranged at intervals are fixedly sleeved outside the conveying line body, the power supply mechanism further comprises a second transmission part, an output shaft of a motor rotates to drive a driving part of the second transmission part to move, the driving part of the second transmission part is connected with a driven part of the first transmission part, a driven part of the second transmission part is connected with the first conveying disc and drives the first conveying disc to rotate, and the first conveying disc is connected with a driven part of the second transmission part, When the second conveying disc rotates around the axis of the second conveying disc and drives the shifting plate to rotate, the shifting plate rotates to shift the chain sheet to move so as to enable the conveying line to move, and after the powder particles enter the feeding shell through the powder particle collecting shell, the powder particles enter the discharging shell through the first conveying pipe under the thrust action of the chain sheet and then fall onto the conveying belt through the discharging shell;

(III) blanking process of the bar-shaped food:

s3, a blanking device is arranged on the wrapping machine, the blanking device comprises a blanking hopper and a blanking roller, the power supply mechanism further comprises a third transmission part, a driving part of the third transmission part is connected with a driven part of the second transmission part, an output shaft of a motor rotates to drive the driving part of the third transmission part to move, the driven part of the third transmission part is connected with the blanking roller and drives the blanking roller to rotate, a blanking outlet of the blanking roller is closed by the wall of the blanking roller, and when the direction of a notch of a limiting groove a on the blanking roller faces downwards, the bar-shaped food in the limiting groove a can fall onto the conveying belt, so that the bar-shaped food in the limiting groove a of the blanking roller can intermittently fall by the rotation of the blanking roller, and the two adjacent bar-shaped foods are ensured to be arranged at intervals when rolling on the conveying belt.

Compared with the prior art, the wrapping machine has the advantages that the wrapping machine can be applied to surface wrapping of food such as puffed food, candies, sticks and rolls and the like, an automatic multi-level wrapping mode is adopted, wrapping on the surface of the food is more uniform, no wrapping leakage area exists, the wrapping efficiency of the food is improved, meanwhile, particles can be recycled, and the continuity of food wrapping is guaranteed.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the mounting bracket of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic view of the transmission of the present invention.

Fig. 5 is a schematic view of the transmission conveying mechanism of the invention.

Fig. 6 is a schematic view of the transmission conveying mechanism of the invention.

FIG. 7 is a schematic view of a first belt and a second belt of the present invention.

Fig. 8 is a schematic view of the pressing mechanism of the present invention.

Fig. 9 is a schematic view of the pressing mechanism of the present invention.

Fig. 10 is a schematic view of a pulling assembly of the present invention.

Fig. 11 is a schematic view of a pulling assembly of the present invention.

FIG. 12 is a schematic view of a blanking device of the present invention.

Fig. 13 is a schematic structural view of the blanking hopper of the invention.

FIG. 14 is a schematic view of a blanking device of the present invention.

Fig. 15 is a schematic view of the powder sieve and the fixing frame of the present invention.

Fig. 16 is a schematic structural diagram of the powder particle sieve of the present invention.

Fig. 17 is a schematic structural view of the sliding push plate of the present invention.

FIG. 18 is a schematic view of a blanking member of the present invention.

FIG. 19 is a schematic view of the blanking drum and scraper in accordance with the present invention.

FIG. 20 is a schematic view of the squeegee configuration of the invention.

Fig. 21 is a schematic view of the powder collection housing of the present invention.

Fig. 22 is a schematic view of the powder particle transporting apparatus of the present invention.

Fig. 23 is a schematic view of the powder particle transporting apparatus of the present invention.

FIG. 24 is a schematic view of a feed housing and discharge housing of the present invention.

FIG. 25 is a schematic view of a discharge housing of the present invention.

Detailed Description

The surface coating process of the bar-shaped food comprises the following steps:

s1, the bar-shaped food enters the wrapping machine and falls down to the conveyer belt 10 of the wrapping machine, the conveyer belt 10 is powered by the transmission conveying mechanism 30 arranged on the wrapping machine and powered by the power supply mechanism 70 arranged on the wrapping machine, the power supply mechanism 70 comprises a motor 710, a first transmission part, a second transmission part and a third transmission part, the transmission conveying mechanism 30 comprises a plurality of transmission conveying elements, the transmission conveying elements comprise a first transmission belt wheel 310, a second transmission belt wheel 330 and a connecting shaft 320, the first transmission part comprises a driving wheel 720 coaxially fixedly sleeved outside the output shaft of the motor 710 and a first driven wheel 730 coaxially fixedly sleeved at one end of the connecting shaft 320, the transmission conveying mechanism 30 further comprises a conveying component, the conveying component is arranged on the transmission conveying element, the motor 710 outputs power and conveys the power to the transmission conveying element, then the food is transmitted to a conveying component through a transmission conveying element and drives the conveying component to move, the conveying component comprises a first transmission belt 340 and a second transmission belt 350, a transmission roller 360 is arranged between the first transmission belt 340 and the second transmission belt 350, an adsorption rod 370 is arranged between the adjacent transmission rollers 360, when the conveying belt 10 conveys the bar-shaped food, a motor 710 is started, an output shaft of the motor 710 rotates to drive a transmission driving wheel 720 to rotate and drive a first driven wheel 730 to rotate around the axis of the motor, the first driven wheel of the first transmission component is connected with one of the transmission conveying elements and serves as a main transmission conveying element, the first driven wheel 730 rotates to drive a connecting shaft 320 on the main transmission conveying element to rotate and drive a first transmission belt wheel 310 and a second transmission belt wheel on the main transmission conveying element to rotate 330, so as to drive the first transmission belt 340, The second transmission belt 350 moves and drives the transmission rollers 360 and the adsorption rod 370 to move along the movement directions of the first transmission belt 340 and the second transmission belt 350, the movement of the transmission rollers 360 causes a mass point on the transmission belt 10 to do up-and-down simple harmonic motion, the movement of the transmission rollers 360 and the adsorption rod 370 causes the contact interface between the transmission belt 10 and the transmission rollers 360 to be always in the peak position, the contact interface between the transmission belt 10 and the adsorption rod 370 to be always in the valley position, the bar-shaped food is placed at the transmission starting end of the transmission belt 10 and is in the valley position between two adjacent transmission rollers 360, the two adjacent transmission rollers 360 are initial transmission rollers, along with the movement of the transmission rollers 360, the valley position between the two adjacent transmission rollers 360 is always kept unchanged, that is, the bar-shaped food is always between the two initial transmission rollers, when the two initial transmission rollers move to the transmission end of the transmission belt 10, conveying the bar-shaped food to the conveying tail end of the conveyer belt 10 to finish the wrapping and conveying of the bar-shaped food;

(II) powder particle conveying process:

s2, the powder particle conveying device 50 arranged on the wrapping machine works, the powder particle conveying device 50 comprises a discharging shell 510, a feeding shell 520, a conveying line body 580, and a conveying pipeline arranged between the discharging shell 510 and the feeding shell 520 and used for communicating the discharging shell 510 and the feeding shell 520, a first conveying disc 550 and a second conveying disc 560 are respectively arranged in the discharging shell 510 and the feeding shell 520, poking plates 570 are evenly arranged on the circumferential direction of the first conveying disc 550 and the second conveying disc 560 at intervals, a plurality of chain pieces 590 which are evenly arranged at intervals are fixedly sleeved outside the conveying line body 580, the power supply mechanism 70 further comprises a second transmission part, an output shaft of a motor 710 rotates to drive a driving part of the second transmission part to move, a driving part of the second transmission part is connected with a driven part of the first transmission part, a driven part of the second transmission part is connected with the first conveying disc 550 and drives the first conveying disc 550 to rotate, when the first conveying disc 550 and the second conveying disc 560 rotate around the axes thereof and drive the shifting plate 570 to rotate, the shifting plate 570 rotates to shift the chain sheet to move, so that the conveying line body 580 moves, and after the powder particles enter the feeding shell 520 through the powder particle collecting shell 40, the powder particles enter the discharging shell 510 through the first conveying pipe 530 under the thrust of the chain sheet 590, and then fall onto the conveying belt 10 through the discharging shell 510;

(III) blanking process of the bar-shaped food:

s3, the wrapping machine is provided with a blanking device 60, the blanking device comprises a blanking hopper 610 and a blanking roller 621, the power supply mechanism 70 further comprises a third transmission part, a driving part of the third transmission part is connected with a driven part of the second transmission part, an output shaft of the motor 710 rotates to drive the driving part of the third transmission part to move, the driven part of the third transmission part is connected with the blanking roller 621 and drives the blanking roller 621 to rotate, the blanking outlet 614 is in a closed state by the wall of the blanking roller 621, when the notch of the limiting groove 621a on the blanking roller 621 faces downward, the bar-shaped food in the limiting groove 621a can fall onto the conveying belt 10, therefore, the bar-shaped food in the limiting groove 621a of the blanking roller 621 can intermittently fall down by the rotation of the blanking roller 621, so that the two adjacent bar-shaped food are ensured to be arranged at intervals when rolling on the conveying belt 10.

As shown in fig. 1-25, the sine wave pushing type puffed food surface wrapping machine includes a mounting frame 20, a conveyor belt 10, a transmission conveying mechanism 30 for transmitting conveying power to the conveyor belt 10, and a power supply mechanism 70 for providing power to the transmission conveying mechanism 30, wherein the conveyor belt 10, the transmission conveying mechanism 30, and the power supply mechanism 70 are mounted on the mounting frame 20, the conveyor belt 10 is used for conveying rod-shaped food/powder, the mounting frame 20 is further mounted with a blanking device 60 for blanking rod-shaped food, and a powder conveying device 50 for conveying powder, the mounting frame 20 is a rectangular frame structure, the conveying direction of the conveyor belt 10 is parallel to the length direction of the mounting frame 20, and in order to wrap rod-shaped food, rolling conveying of rod-shaped food is required to be ensured when the rod-shaped food is conveyed on the conveyor belt 10, that is, since the particles on the conveyor belt 10 can be wrapped on the surface of the bar-shaped food when the bar-shaped food is rolled and conveyed, the bar-shaped food is conveyed by a wave-push type, that is, the conveyor belt 10 is a wave-push type conveyor belt, the power supply mechanism 70 supplies power to the transmission and conveyance mechanism 30 and transmits the power to the conveyor belt 10, and the conveyor belt 10 is in a wave-push type conveyance state, the blanking device 60 is disposed above the conveyor belt 10 and near the conveyance start end of the conveyor belt 10, the particle conveying device 50 is disposed at one side in the width direction of the mounting frame 20, and the particle conveying device 50 is used for conveying the particles onto the conveyor belt 10.

More specifically, in order to realize multiple recycling of the powder, a powder collection housing 40 is disposed at a conveying end of the conveyor belt 10, the powder conveyed by the conveyor belt 10 enters the powder collection housing 40, a conveying start end of the powder conveying device 50 is close to the powder collection housing 40 and is communicated with the powder collection housing 40, a conveying end of the powder conveying device 50 is disposed above the conveyor belt 10 and can convey the powder to the conveyor belt 10, when the bar-shaped food is wrapped and conveyed on the conveyor belt 10, the powder is conveyed to the conveying end of the conveyor belt 10 from the conveying start end of the conveyor belt 10 and then enters the powder collection housing 40, the powder then enters the conveying start end of the powder conveying device 50 and is conveyed to the conveying end of the powder conveying device 50, and the powder flowing out from the conveying end of the powder conveying device 50 flows to the conveyor belt 10 again, therefore, the repeated cyclic utilization of the particles is realized, and the continuous performance of wrapping the bar-shaped food is ensured.

As shown in fig. 2, the mounting frame 20 includes a supporting frame 210, the supporting frame 210 has a rectangular frame structure, the bottom of the supporting frame 210 is in contact with the ground, the top of the supporting frame is provided with a first mounting plate 220 and a second mounting plate 230, the first mounting plate 220 and the second mounting plate 230 are respectively disposed on one side of the supporting frame 210 in the width direction, the first mounting plate 220 and the second mounting plate 230 are parallel to each other and parallel to the conveying direction of the conveyor belt 10, the first mounting plate 220 and the second mounting plate 230 are provided with mounting holes 240 for mounting the transmission conveying mechanism 30, the mounting holes 240 are provided with a plurality of mounting holes 240, the central axes of the mounting holes 240 are perpendicular to the conveying direction of the conveyor belt 10, the mounting holes 240 on the first mounting plate 220 and the mounting holes 240 on the second mounting plate 230 are in a one-to-one correspondence relationship, and the central axes of the two corresponding mounting holes 240 are coincident, in order to improve the stability of the mounting frame 20, a fixing rod 250 is arranged between the first mounting plate 220 and the second mounting plate 230, and the fixing rod 250 is arranged at the end of the mounting frame 20 in the length direction.

As shown in fig. 4-7, the power supply mechanism 70 includes a motor 710, a first transmission component, a second transmission component, and a third transmission component, the transmission conveying mechanism 30 includes a plurality of transmission conveying elements, the transmission conveying elements include a first transmission pulley 310, a second transmission pulley 330, and a connecting shaft 320, the connecting shaft 320 is movably connected between the first mounting plate 220 and the second mounting plate 230, one end of the connecting shaft 320 passes through the mounting hole 240 on the first mounting plate 220, the other end passes through the mounting hole 240 on the second mounting plate 230, a central axis of the connecting shaft 320 is perpendicular to the conveying direction of the conveyor belt 10 and can rotate around its own axis, the connecting shaft 320 is provided with a plurality of mounting holes 240 on the first mounting plate 220 and the mounting holes 240 on the second mounting plate 230, the first transmission pulley 310 is coaxially and fixedly sleeved at one end of the connecting shaft 320 in the length direction, the second driving pulley 330 is coaxially fixed to the other end of the connecting shaft 320 in the length direction, the motor 710 is mounted on the mounting frame 20 and is close to the conveying start end of the conveying belt 10, the driving member of the first driving member is connected to the output shaft of the motor 710, the driven member of the first driving member is connected to one of the conveying elements and the conveying element serves as a main conveying element, and preferably, the main conveying element is close to the conveying start end of the conveying belt 10 for the convenience of mounting the first driving member and the convenience of outputting power to the main conveying element by the motor 710.

More specifically, the first transmission component includes a driving wheel 720 coaxially fixed outside the output shaft of the motor 710, and a first driven wheel 730 coaxially fixed at one end of the connecting shaft 320, and the driving wheel 720 and the first driven wheel 730 are gears/pulleys, and can be engaged/belt-driven by gears.

As shown in fig. 5-7, the transmission conveying mechanism 30 further includes a conveying assembly, the conveying assembly is mounted on the transmission conveying element, the motor 710 outputs power and conveys the power to the transmission conveying element, and then the power is transmitted to the conveying assembly through the transmission conveying element and drives the conveying assembly to move, the conveying assembly includes a first driving belt 340 and a second driving belt 350, the first driving belt 340 is wound around a plurality of first driving pulleys 310 and forms a closed loop with the plurality of first driving pulleys 310, the second driving belt 350 is wound around a second driving pulley 330 and forms a closed loop with the second driving pulley 330, a transmission roller 360 is disposed between the first driving belt 340 and the second driving belt 350, the transmission roller 360 is provided with a plurality of rollers and is arranged at equal intervals along the moving direction of the first driving belt 340 and the second driving belt 350, the central axis of the transmission roller 360 is perpendicular to the conveying direction of the conveying belt 10, the first conveying belt 340 and the second conveying belt 350 are provided with limit holes at intervals for installing the transmission roller 360, one end of the central axis of the transmission roller 360 is movably connected in the limit holes of the first conveying belt 340, the other end of the central axis of the transmission roller 360 is movably connected in the limit holes of the second conveying belt 350, the conveying belt 10 is laid on the transmission roller 360, the conveying starting end of the conveying belt 10 is fixedly connected with the mounting frame 20, the conveying roller 360 is arranged at equal intervals, when the conveying belt 10 is laid on the transmission roller 360, the conveying belt 10 is in a wave shape, the motor 710 is started, the output shaft of the motor 710 rotates to drive the driving wheel 720 to rotate and drive the first driven wheel 730 to rotate around the axis of the motor, the first driven wheel 730 rotates to drive the connecting shaft 320 on the main transmission conveying element to rotate and drive the first driving, The second driving pulley 330 rotates to drive the first driving belt 340 and the second driving belt 350 to move, and drives the driving roller 360 to move along the moving direction of the first driving belt 340 and the second driving belt 350, and the movement of the driving roller 360 makes a mass point on the conveying belt 10 move up and down in a simple harmonic manner.

If the conveyor belt 10 is made of soft rubber/canvas material, the deformation amount of the conveyor belt 10 in a stressed state is large, when the rod-shaped food is placed at the conveyance starting end of the conveyor belt 10, the conveyor belt 10 is pressed to be in a tensioned state, when the conveyance end of the conveyor belt 10 is fixedly connected to the mounting bracket 20, the conveyor belt 10 is tensioned and is in a horizontal state, the waveform of the conveyor belt 10 disappears, and when the conveyance end of the conveyor belt 10 is not fixedly connected to the mounting bracket 20, the conveyor belt 10 is pressed to slide and slide along the transmission roller 360, and therefore, when the conveyor belt 10 is made of soft rubber/canvas material, the traveling wave-push type conveyance of the rod-shaped food cannot be realized, and in contrast, the conveyor belt 10 is made of metal plate with a high bending coefficient, and therefore, the conveyor belt 10 can present a relatively stable waveform.

Because the deformation amount of the conveyer belt 10 under the stress state is small, when the conveyer belt 10 is laid on the transmission rollers 360, the conveyer belt 10 cannot form a stable waveform, therefore, an adsorption rod 370 is arranged between the adjacent transmission rollers 360, the central axis of the adsorption rod 370 is parallel to the central axis of the transmission rollers 360, one end of the adsorption rod 370 is connected with the first transmission belt 340, the other end is connected with the second transmission belt 350, the adsorption rod 360 is made of a strong magnet, and can generate a strong attraction force to the conveyer belt 10 and make the adsorption contact between the two, when the conveyer belt 10 is in adsorption contact with the adsorption rod 370, the conveyer belt 10 is in a waveform, the position where the conveyer belt 10 is in contact with the transmission rollers 360 is a wave crest, the position where the conveyer belt 10 is in contact with the adsorption rod 370 is a wave trough, in order to ensure the stability of the adsorption contact between the conveyer belt 10 and the adsorption rod 370, and further ensure the stability of the waveform of the conveyer belt 10, the mounting frame 20 is provided with a pressing mechanism 80, and the pressing mechanism 80 is used for increasing the adsorption force between the conveying belt 10 and the adsorption rod 370 so as to eliminate the gap between the adsorption rod 370 and the conveying belt 10.

More specifically, the central axis of the adsorption rod 370 and the central axes of the two adjacent driving rollers 360 are on the same horizontal plane, a plane a is formed between the central axis of the adsorption rod 370 and the central axes of the two adjacent driving rollers 360 on the left side of the adsorption rod, a plane b is formed between the central axis of the adsorption rod 370 and the central axes of the two adjacent driving rollers 360 on the right side of the adsorption rod, an included angle θ is formed between the plane a and the plane b, and the 90 ° < θ < 150 °, preferably 100 ° < θ < 120 °.

As shown in fig. 8-11, the pressing mechanism 80 includes a connecting rod 810, a pressing roller 820, and a pulling assembly 830, the connecting rod 810 is disposed at one end of the conveying frame 20 and close to the conveying start end of the conveying belt 10, the connecting rod 810 is disposed in parallel and includes two connecting rods i and ii, one end of the connecting rod i is hinged to the first mounting plate 220 of the conveying frame 20, one end of the connecting rod ii is hinged to the second mounting plate 230 of the conveying frame 20, the pressing roller 820 is movably mounted between the other end of the connecting rod i and the other end of the connecting rod ii, a central axis of the pressing roller 820 is perpendicular to the conveying direction of the conveying belt 10 and can rotate around its own axis, the pressing roller 820 contacts the conveying belt 10 and makes the conveying belt 10 tightly contact with the absorbing rod 370, core wires of the hinge axis at the hinge point of the connecting rod i and the first mounting plate of the mounting frame 20 and core wires at the hinge point of the connecting rod ii and the mounting plate of the mounting frame 20 are all horizontally disposed and perpendicular to the hinge axis of the mounting plate ii and perpendicular to the mounting frame 20 The conveying direction of the conveying belt 10, a pulling and holding assembly 830 is arranged between the first connecting rod and the first mounting plate 220, the pulling and holding assembly 830 comprises a pulling and holding rod 831, a pulling and holding spring 832, a sleeve 833 and a pulling and holding block 834, one end of the pulling and holding rod 831 is hinged with the first connecting rod, a pulling and holding boss is arranged at the other end of the pulling and holding rod 831, one end of the pulling and holding block 834 is hinged with the first mounting plate 220, the other end of the pulling and holding block 834 is in contact with the pulling and holding boss on the pulling and holding rod 831, the sleeve 833 is coaxially sleeved outside the pulling and holding rod 831, one end of the sleeve 833 is fixedly connected with the pulling and holding block 834 and is a fixed end, the other end of the sleeve 833 is in sliding contact with the surface of the pulling and holding rod 831 and is a sliding end, the pulling and holding spring 832 is coaxially sleeved outside the pulling and is arranged between the pulling and holding rod 831, one end of the pulling and holding spring 832 is abutted against the pulling and holding boss on the sliding end of the sleeve 833, the elastic force of the pulling spring 832 can enable the pulling rod 831 to move towards the direction close to the pulling block 834, the core wire at the hinged position of the pulling rod 831 and the first connecting rod and the core wire at the hinged position of the pulling block 834 and the first mounting plate 220 are horizontally arranged and perpendicular to the conveying direction of the conveying belt 10, in order to further increase the adsorption strength between the conveying belt 10 and the adsorption rod 370, a pulling assembly 830 is also arranged between the second connecting rod and the second mounting plate 230, and the pulling assembly 830 between the second connecting rod and the second mounting plate 230 is arranged in parallel with the pulling assembly 830 between the first connecting rod and the first mounting plate 220.

When the conveying belt 10 conveys the bar-shaped food, the motor 710 is turned on, an output shaft of the motor 710 rotates to drive the driving wheel 720 to rotate and drive the first driven wheel 730 to rotate around its axis, the first driven wheel 730 rotates to drive the connecting shaft 320 on the main conveying element to rotate and drive the first driving pulley 310 and the second driving pulley 330 on the main conveying element to rotate, thereby driving the first driving belt 340 and the second driving belt 350 to move, and drives the driving roller 360 and the adsorption rod 370 to move along the moving direction of the first driving belt 340 and the second driving belt 350, the movement of the driving roller 360 causes a mass point on the conveying belt 10 to do up-and-down simple harmonic motion, the pressing roller 820 causes the conveying belt 10 and the adsorption rod 370 to be always kept in adsorption contact, the movement of the driving roller 360 and the adsorption rod 370 causes the contact interface between the conveying belt 10 and the driving roller 360 to be always at the peak position, the contact interface that conveyer belt 10 and adsorption rod 370 contacted is in the trough position all the time, place the bar-shaped food in the transport beginning of conveyer belt 10 and be in the trough position between two adjacent driving pulley 360, these two adjacent driving pulley 360 are initial driving pulley, along with the motion of driving pulley 360, the trough position between two adjacent driving pulley 360 remains unchanged all the time, namely bar-shaped food is in between two initial driving pulley all the time, when two initial driving pulley moved to the transport end of conveyer belt 10, bar-shaped food transported to the transport end of conveyer belt 10, accomplish the parcel of bar-shaped food and carry.

More specifically, in order to avoid the bar-shaped food from falling off in the conveying process, the first mounting plate 220 and the second mounting plate 230 are both provided with the protection plates 260, and the conveyor belt 10 is located between the two protection plates 260, so that the bar-shaped food arranged on the conveyor belt 10 is always located on the conveyor belt 10 in the conveying process, and the stable conveying of the bar-shaped food is ensured.

When the bar-shaped food is placed on the conveyor belt 10 and is located at the valley position between the two initial driving rollers, the bar-shaped food can roll on the conveyor belt 10 between the two initial driving rollers due to the rolling property of the bar-shaped food, when the rolling amplitude of the bar-shaped food is large, the bar-shaped food is easy to move to the peak position of the conveyor belt 10 and move in the opposite direction of the conveying of the conveyor belt 10, in order to ensure the normal conveying of the bar-shaped food by the conveyor belt 10, a baffle 280 is movably installed between the two protection plates 260, the plate surface of the baffle 280 is obliquely arranged and is vertically arranged with the protection plates 260, the bottom of the baffle 280 is contacted with the conveyor belt 10, the distance between the plate surface of the baffle 280 and the horizontal plane of the valley of the conveyor belt 10 is gradually reduced along the conveying direction of the conveyor belt 10, and the baffle 280 can avoid the bar-shaped food from moving in the opposite direction of the conveying of the conveyor belt 10, thereby ensuring the normal conveying of the bar-shaped food by the conveyor belt 10.

More specifically, the conveying starting end of the conveying belt 10 is provided with a protective casing 270, the protective casing 270 covers the pressing mechanism 80 and is used for protecting the pressing mechanism 80, the conveying end of the conveyer belt 10 is obliquely arranged and can make the bar-shaped food/powder particles conveyed to the conveying end of the conveyer belt 10 slide off through the conveying end, the conveying end of the conveyor belt 10 is connected to the fixing rod 250 of the mounting frame 20, which is designed in the sense that, when the bar-shaped food is wrapped and conveyed, the two initial transmission rollers move to the conveying tail end of the conveying belt 10, the conveying tail end of the conveying belt 10 is easy to tilt, when the conveying end of the conveyor belt 10 is tilted, the bar-shaped food/powder particles slide down through the conveying end of the conveyor belt 10, and the conveying of the bar-shaped food/powder particles is hindered.

As shown in fig. 22-25, the powder particle transporting device 50 includes a discharging housing 510, a feeding housing 520, a transporting line body 580, and a transporting pipe disposed between the discharging housing 510 and the feeding housing 520 and used for communicating the discharging housing 510 and the feeding housing 520, the feeding housing 520 is fixedly mounted on a supporting frame 210, the feeding housing 520 is a transporting start end of the powder particle transporting device 50, the discharging housing 510 is disposed above the transporting belt 10 and fixedly connected to the supporting frame 210 through a fixing plate, the discharging housing 510 is a transporting end of the powder particle transporting device 50, a first transporting tray 550 and a second transporting tray 560 are respectively accommodated and mounted in the discharging housing 510 and the feeding housing 520, central axes of the first transporting tray 550 and the second transporting tray 560 are horizontally disposed and perpendicular to a transporting direction of the transporting belt 10, and the transporting pipe includes a first transporting pipe 530, a second transporting pipe, and a transporting pipe, which are disposed in parallel up and down, A second material conveying pipe 540, one end of the first material conveying pipe 530 is communicated with an upper end opening arranged on the discharging shell 510, the other end is communicated with an upper end opening arranged on the feeding shell 520, one end of the second material conveying pipe 540 is communicated with a lower end opening arranged on the discharging shell 510, the other end is communicated with a lower end opening arranged on the feeding shell 520, poking plates 570 are evenly arranged on the first conveying disc 550 and the second conveying disc 560 at intervals in the circumferential direction, poking grooves are arranged on the poking plates 570 and at the end far away from the center of the first conveying disc 550/the second rotating disc 560, the conveying line 580 surrounds the first conveying disc 550 and the second conveying disc 560 and forms a closed loop with the first conveying disc 560 and the second conveying disc 560, inner cavities of the first material conveying pipe 530 and the second material conveying pipe 540 are used as accommodating spaces of the conveying line 580, the conveying line 580 passes through the poking grooves on the poking plates 570, a plurality of chain pieces 590 which are evenly arranged at intervals are fixedly sleeved on the outside the conveying line 580, and the chain piece 590 is matched with the inner cavities of the first material conveying pipe 530 and the second material conveying pipe 540, when the first conveying disc 550 and the second conveying disc 560 rotate around the axes thereof and drive the shifting plate 570 to rotate, the shifting plate 570 rotates to shift the chain piece to move so as to enable the conveying line body 580 to move, after the powder particles enter the feeding shell 520 through the powder particle collecting shell 40, the powder particles enter the discharging shell 510 through the first material conveying pipe 530 under the thrust action of the chain piece 590, and then fall onto the conveying belt 10 through the discharging shell 510.

As shown in fig. 21, the powder particle collection housing 40 includes a containing shell 420 and a screen 410 disposed on the upper surface of the containing shell 420, a first blanking shell 440 is disposed at the bottom of the containing shell 420 and is communicated with a feeding housing 520 through the first blanking shell 440, the first blanking shell 440 can receive powder particles separated from the screen 410 and directionally convey the powder particles to the feeding housing 520, side plates 430 are disposed at two ends of the upper surface of the containing shell 420, the side plates 430 are parallel to the conveying direction of the conveyor belt 10, and the side plates 430 can prevent the powder particles from scattering outside the containing shell 420.

When the amount of the powder particles entering the feeding shell 520 through the powder particle collecting shell 40 is small, the powder particles easily fall to the bottom of the feeding shell 520, the amount of the powder particles pushed by the chain piece 590 is small, so that the conveying amount of the powder particles conveyed to the conveying belt 10 is small, and the wrapping amount of the rodlike food is insufficient, therefore, a powder particle feeding hopper 521 is arranged at the communication position of the powder particle collecting shell 40 and the feeding shell 520, the powder particle feeding hopper 521 is of a cylindrical barrel structure with openings at two ends, one opening is communicated with the upper end opening of the feeding shell 520, the other opening is used as an avoiding opening for the movement of the chain piece 590, the inner cavity of the powder particle feeding hopper 521 is matched with the chain piece 590, meanwhile, when the powder particles are pushed into the discharging shell 510 through the chain piece 590, in order to avoid the powder particles from scattering to the bottom of the discharging shell 510, a powder particle discharging hopper 511 is arranged at the communication position of the discharging shell 510 and the first discharging pipe 530, the bottom of the powder discharge hopper 511 is closed, so that powder particles can be prevented from scattering to the bottom of the discharge shell 510, a second blanking shell 512 is arranged on the side wall of the discharge shell 510, the second blanking shell 512 is communicated with the powder discharge hopper 511, the second blanking shell 512 is positioned above the conveyor belt 10, and the powder particles can fall onto the conveyor belt 10 through the second blanking shell 512, so that the rod-shaped food can be conveniently wrapped.

As shown in fig. 3-4, the first conveying tray 550 serves as a driving conveying tray and is driven by the power supply mechanism 70, the power supply mechanism 70 further includes a second transmission component, a driving member of the second transmission component is connected to a driven member of the first transmission component, the driven member of the second transmission component is connected to the first conveying tray 550 and drives the first conveying tray 550 to rotate, a first rotating shaft and a second rotating shaft which are arranged in parallel are movably mounted on a plate surface of the fixing plate, central axes of the first rotating shaft and the second rotating shaft are parallel to a central axis of the connecting shaft 320, the second transmission component includes a second driving wheel 740 coaxially and fixedly sleeved outside the connecting shaft 320, a second driven wheel 750 coaxially and fixedly sleeved outside the first rotating shaft, a first gear 760, a third driving wheel coaxially and fixedly sleeved outside the second rotating shaft, and a second gear 770, A third driven wheel 780 coaxially and fixedly sleeved outside the central shaft of the first conveying disc 550, wherein the first gear 760 is meshed with the second gear 770, the second driving wheel 740, the second driven wheel 750, the third driving wheel and the third driven wheel 780 are belt wheels/gears, the second driving wheel 740 and the second driven wheel 750, and the third driving wheel and the third driven wheel 780 can be in transmission through belt transmission/gear meshing, when the powder particle conveying device 50 works, the output shaft of the motor 710 rotates to drive the first driving wheel 720 to rotate and drive the first driven wheel 730 to rotate, the first driven wheel 730 rotates to drive the second driving wheel 740 to rotate synchronously, the second driving wheel 740 rotates to drive the second driven wheel 750 to rotate and drive the first gear 760 to rotate, the first gear 760 rotates to drive the second gear 770 to rotate and drive the third driving wheel to rotate, and the third driving wheel rotates to drive the third driven wheel 780 to rotate so as to drive the first conveying disc 550 to rotate.

As shown in fig. 12-20, the blanking device 60 includes a blanking hopper 610 and a fixing frame 640, the fixing frame 640 is fixedly mounted on the mounting frame 20 and is located right above the conveying belt 10, the blanking hopper 610 is mounted on the fixing frame 640 and is close to the conveying beginning end of the conveying belt 10, the rod-shaped food can fall onto the conveying belt 10 through the blanking hopper 610, the blanking hopper 610 includes a feeding port and a blanking outlet 614, in order to make the rod-shaped food fall onto the conveying belt 10 in order, the opening size of the blanking outlet 614 matches with the rod-shaped food and the length direction of the opening is perpendicular to the conveying direction of the conveying belt 10, that is, the rod-shaped food can only fall onto the conveying belt 10 through the blanking outlet 614 in sequence, and the central axis of the rod-shaped food is arranged horizontally and perpendicular to the conveying direction of the conveying belt 10 when falling onto the conveying belt 10, which is favorable for rolling material wrapping of the rod-shaped food, meanwhile, in order to improve the blanking efficiency of the bar-shaped food, the feeding ports comprise a first feeding port 611 and a second feeding port 612, the first feeding port 611 and the second feeding port 612 are separated by a partition, the first feeding port 611 and the second feeding port 612 can simultaneously feed the bar-shaped food, and the bar-shaped food falling through the first feeding port 611 and the bar-shaped food falling through the second feeding port 612 do not interfere with each other, so that the blanking efficiency of the bar-shaped food is improved.

When the bar-shaped food sequentially falls through the blanking outlet 614, the adjacent two bar-shaped food are tightly attached to each other at a small distance, and the adjacent two bar-shaped food are easy to interfere with each other when rolling on the conveyer belt 10 and cause uneven wrapping of the bar-shaped food, therefore, the blanking hopper 610 is internally provided with the blanking element 620, and the blanking element 620 can intermittently supply the bar-shaped food, so that the two adjacent bar-shaped food are arranged at a distance when rolling on the conveyer belt 10, the mutual interference between the two adjacent bar-shaped food is avoided, and the bar-shaped food is favorably uniform in wrapping of the bar-shaped food.

As shown in fig. 12, 14 and 18-19, the blanking hopper 610 is provided with a mounting hole 613 for mounting the blanking element 620 near the blanking outlet 614, the central axis of the mounting hole 613 is perpendicular to the conveying direction of the conveyor belt 10, the blanking element 620 comprises a blanking roller 621, a first retainer ring 622 and a second retainer ring 623, the blanking roller 621 is coaxially and movably installed in the installation hole 613, the first retainer ring 622 and the second retainer ring 623 are respectively arranged at the end of the blanking roller 621 and coaxially and movably sleeved outside the central shaft of the blanking roller 621, the first retainer ring 622 and the second retainer ring 623 are installed in the hole wall of the installation hole 613 in a matching manner, in order to reduce the friction between the central axis of the blanking roller 621 and the first and second retaining rings 622, 623, and bearings 624 are coaxially and movably sleeved between the inner rings of the first retainer ring 622 and the second retainer ring 623 and the central shaft of the blanking roller 621.

As shown in fig. 19, a plurality of limiting grooves 621a are uniformly arranged in the circumferential direction of the blanking roller 621, the limiting grooves 621a are horizontally arranged and matched with the rod-shaped food, the rod-shaped food falls in the blanking hopper 610 and then falls into the limiting grooves 621a on the blanking roller 621, when the blanking roller 621 rotates, the cylinder wall of the blanking roller 621a makes the blanking outlet 614 in a closed state, and when the notch direction of the limiting grooves 621a on the blanking roller 621 faces downward, the rod-shaped food in the limiting grooves 621a can fall onto the conveying belt 10, therefore, the rotation of the blanking roller 621 can make the rod-shaped food in the limiting grooves 621a of the blanking roller 621 fall intermittently, thereby ensuring that two adjacent rod-shaped foods are arranged at intervals when rolling on the conveying belt 10.

More specifically, the surface of the bar-shaped food to be processed tends to have stickiness, and when the bar-shaped food is placed in the stopper groove 621a, the bar-shaped food is easily adhered in the limiting groove 621a so that the bar-shaped food cannot fall normally, in order to make the bar-shaped food fall down normally in the limiting groove 621a, the blanking roller 621 is provided with a first groove 621b and a second groove 621c arranged at intervals in the circumferential direction, the first groove 621b and the second groove 621c surround the blanking roller 621 in the circumferential direction, the first groove 621b and the second groove 621c are provided with a scraper 650 inside, the scraper 650 is fixedly arranged on the inner wall of the blanking hopper 610, when the opening of the stopper groove 621a containing the bar-shaped food is directed downward, the scraper 650 can scrape off the adhesion between the bar-shaped food and the stopper groove 621a, so that the bar-shaped food falls normally.

As shown in fig. 20, the ends of the scraping plates 650 in the groove bodies of the first and

second grooves

621b and 621c are arc-shaped and matched with the groove bottoms of the first and

second grooves

621b and 621c, so that the ends of the scraping plates 650 can scrape off the bar-shaped food without damaging the surface of the bar-shaped food, and the integrity of the bar-shaped food is ensured.

As shown in fig. 4, the rotation of the blanking roller 621 is driven by the power supply mechanism 70, the power supply mechanism 70 further includes a third transmission component, a driving part of the third transmission component is connected with a driven part of the second transmission component, the driven part of the third transmission component is connected with the blanking roller 621 and drives the blanking roller 621 to rotate, the third transmission component includes a fourth driving wheel coaxially and fixedly sleeved outside the first rotating shaft, and a fourth driven wheel 790 coaxially and fixedly sleeved outside a central shaft of the blanking roller 621, the fourth driving wheel and the fourth driven wheel 790 are pulleys/gears, and can be driven by belt transmission/gear engagement between the fourth driving wheel and the fourth driven wheel, when the blanking roller 621 works, an output shaft of the motor 710 rotates to drive the first driving wheel 720 to rotate and drive the first driven wheel 730 to rotate, the first driven wheel 730 rotates to drive the second driving wheel 740 to synchronously rotate, the second driving wheel 740 rotates to drive the second driven wheel 750 to rotate and drive the fourth driving wheel to rotate, and the fourth driving wheel rotates to drive the fourth driven wheel 790 to rotate so as to drive the blanking roller 621 to rotate.

When the powder particles fall through the second blanking shell 512 on the powder particle conveying device 50, the powder particles are concentrated on the conveying belt 10, which is not beneficial to rolling material wrapping of the bar-shaped food, in order to enable the powder particles to be uniformly distributed on the conveying belt 10, the fixing frame 640 is provided with a powder particle sieve 630 for dispersing and falling the powder particles, the powder particle sieve 630 is located below the second blanking shell 512 on the powder particle conveying device 50, and the powder particles can fall into the powder particle sieve 630 through the second blanking shell 512, so that the powder particles can be dispersed.

As shown in fig. 15-17, the fixing frame 640 includes two supporting plates vertically arranged and parallel to each other, the two supporting plates are respectively disposed on one side of the width direction of the mounting frame 20, and the plate surfaces of the two supporting plates are perpendicular to the conveying direction of the conveying belt 10, the supporting plate near the second discharging shell 512 on the powder conveying device 50 is a supporting plate one, the supporting plate far from the second discharging shell 512 on the powder conveying device 50 is a supporting plate two, the powder sieve 630 includes a powder sieving housing 631, and a guiding rod 632, the guiding rod 632 is disposed at the end of the powder sieving housing 631 in the length direction and is horizontally arranged, the guiding direction of the guiding rod 632 is perpendicular to the conveying direction of the conveying belt 10, the guiding rod 632 at the end of the powder sieving housing 631 in the length direction passes through the plate surface of the supporting plate one and is movably connected thereto, the guiding rod 632 at the other end of the powder sieving housing 631 in the length direction passes through the plate surface of the supporting plate two and is movably connected thereto, the panel of the second support plate is provided with a swinging element for driving the powder screening shell 631 to swing, the swinging element comprises a sliding push plate 642 arranged on the panel of the second support plate and a guide groove 641 forming sliding guide fit with the sliding push plate 642, the guide direction of the guide groove 641 is horizontally arranged and is parallel to the conveying direction of the conveying belt 10, a push rod 625 is coaxially and fixedly sleeved outside the central shaft of the blanking roller 621 and near the end of the second support plate, the push rod 625 is matched with the sliding push plate 642, the rotation of the blanking roller 621 can drive the push rod 625 to rotate, the push rod 625 rotates to push the sliding push plate 642 to slide along the guide direction of the guide groove 641, the movement of the sliding push plate 642 can drive the powder screening shell 631 to swing, a return spring 633 is coaxially sleeved outside the guide rod 632 movably connected with the panel of the first support plate, and one end of the return spring 633 is abutted against the panel of the first support plate, The other end of the guide rod 632 is abutted against the end of the guide rod 632, when the sliding push plate 642 removes the thrust on the powder sieving housing 631, the elastic force of the return spring 633 can return the powder sieving housing 631, so that the powder sieving housing 631 swings back and forth, and the powder particles falling into the powder sieving housing 631 are dispersed and fall onto the conveyor belt 10.

More specifically, the sliding pushing plate 642 comprises a vertical plate 642a and a sliding block 642b, the vertical plate 642a is provided with a pushing slot 642c for inserting the pushing rod 625, the pushing slot 642c is vertically arranged, the sliding block 642b forms sliding guiding fit with the guiding groove 641, a connecting block is arranged at the end of the guiding rod 632 movably connected with the second support plate, when the sliding block 642b slides towards the direction close to the connecting block along the guiding direction of the guiding groove 641, the sliding block 642b pushes the connecting block to move towards the direction far away from the second support plate, thereby driving the powder sieving shell 631 to swing towards the direction close to the second support plate, when the sliding block 642b slides towards the direction far away from the connecting block along the guiding direction of the guiding groove 641, the sliding block 642b is separated from the connecting block, and the elastic force of the return spring 633 can enable the powder screening housing 631 to swing away from the second support plate, so that the powder screening housing 631 swings back and forth.

More perfectly, the sliding block 642b is provided with a pushing inclined surface 642d, and when the sliding block 642b slides towards the direction close to the connecting block along the guiding direction of the guiding groove 641, the connecting block can slide along the pushing inclined surface 642d on the sliding block 642b, so as to drive the powder sieving housing 631 to swing towards the direction close to the second support plate.

Claims

1. Based on a sine wave push type puffed food surface wrapping process, the method comprises the following steps:

s1, the bar-shaped food enters into the wrapping machine and falls to the conveyer belt of the wrapping machine, the conveyer belt transmits power by the transmission conveyer mechanism arranged on the wrapping machine and is provided with power by the power supply mechanism arranged on the wrapping machine, the power supply mechanism comprises a motor, a first transmission part, a second transmission part and a third transmission part, the transmission conveyer mechanism comprises a plurality of transmission conveyer elements, the transmission conveyer elements comprise a first transmission belt wheel, a second transmission belt wheel and a connecting shaft, the first transmission part comprises a driving wheel coaxially and fixedly sleeved outside the output shaft of the motor and a first driven wheel coaxially and fixedly sleeved at one end of the connecting shaft, the transmission conveyer mechanism also comprises a conveyer assembly, the conveyer assembly is arranged on the transmission conveyer elements, the motor outputs power and conveys the power to the transmission conveyer elements, then the food is transmitted to a conveying component through a transmission conveying element and drives the conveying component to move, the conveying component comprises a first transmission belt and a second transmission belt, a transmission roller is arranged between the first transmission belt and the second transmission belt, an adsorption rod is arranged between adjacent transmission rollers, when the conveying belt conveys the bar-shaped food, a motor is started, an output shaft of the motor rotates to drive a transmission driving wheel to rotate and drive a first driven wheel to rotate around the axis of the motor, the first driven wheel rotates to drive a connecting shaft on the main transmission conveying element to rotate and drive a first transmission belt wheel and a second transmission belt wheel on the main transmission conveying element to rotate, so as to drive the first transmission belt and the second transmission belt to move, and drive the transmission roller and the adsorption rod to move along the moving direction of the first transmission belt and the second transmission belt, and the movement of the transmission roller enables a mass point on the conveying belt to do up-and-down simple harmonic movement, the movement of the transmission rollers and the adsorption rod enables a contact interface of the conveyer belt and the transmission rollers to be always in a wave crest position, the contact interface of the conveyer belt and the adsorption rod to be always in a wave trough position, the bar-shaped food is placed at the conveying initial end of the conveyer belt and is in a wave trough position between two adjacent transmission rollers, the two adjacent transmission rollers are initial transmission rollers, the wave trough position between the two adjacent transmission rollers is always kept unchanged along with the movement of the transmission rollers, namely the bar-shaped food is always between the two initial transmission rollers, and when the two initial transmission rollers move to the conveying tail end of the conveyer belt, the bar-shaped food is conveyed to the conveying tail end of the conveyer belt, so that the wrapping conveying of the bar-shaped food is completed;

(II) powder particle conveying process:

s2, the powder particle conveying device arranged on the wrapping machine works, the powder particle conveying device comprises a discharging shell, a feeding shell, a conveying line body and a conveying pipe arranged between the discharging shell and the feeding shell and used for communicating the discharging shell and the feeding shell, a first conveying disc and a second conveying disc are respectively accommodated in the discharging shell and the feeding shell, poking plates are evenly arranged on the first conveying disc and the second conveying disc in the circumferential direction at intervals, a plurality of chain pieces which are evenly arranged at intervals are fixedly sleeved outside the conveying line body, the power supply mechanism further comprises a second transmission part, an output shaft of a motor rotates to drive a driving part of the second transmission part to move, the driving part of the second transmission part is connected with a driven part of the first transmission part, a driven part of the second transmission part is connected with the first conveying disc and drives the first conveying disc to rotate, and the first conveying disc is connected with a driven part of the second transmission part, When the second conveying coil rotates around the axis of the second conveying coil and drives the shifting plate to rotate, the shifting plate rotates to shift the chain piece to move, so that the conveying line body moves;

the discharge shell is arranged above the conveying belt and is fixedly connected with the supporting frame through a fixing plate;

the first conveying disc is used as an active conveying disc and is driven by the power supply mechanism, a first rotating shaft and a second rotating shaft which are arranged in parallel are movably arranged on the surface of the fixed plate, the central axes of the first rotating shaft and the second rotating shaft are parallel to the central axis of the connecting shaft, the second transmission part comprises a second driving wheel which is coaxially and fixedly sleeved outside the connecting shaft, a second driven wheel which is coaxially and fixedly sleeved outside the first rotating shaft, a first gear, a third driving wheel which is coaxially and fixedly sleeved outside the second rotating shaft, a second gear and a third driven wheel which is coaxially and fixedly sleeved outside the central axis of the first conveying disc, the first gear is meshed with the second gear, the second driving wheel, the second driven wheel, the third driving wheel and the third driven wheel are belt wheels/gears, and the second driving wheel and the second driven wheel as well as the third driving wheel and the third driven wheel can be in transmission through belt transmission/gear meshing;

after the powder particles enter the feeding shell through the powder particle collecting shell, the powder particles enter the discharging shell through the first conveying pipe under the thrust action of the chain sheet and then fall onto the conveying belt through the discharging shell;

(III) blanking process of the bar-shaped food:

s3, a blanking device is arranged on the wrapping machine, the blanking device comprises a blanking hopper, a fixed frame and a blanking roller, the power supply mechanism further comprises a third transmission part, a driving part of the third transmission part is connected with a driven part of the second transmission part, an output shaft of a motor rotates to drive the driving part of the third transmission part to move, the driven part of the third transmission part is connected with the blanking roller and drives the blanking roller to rotate, a blanking outlet of the blanking roller is closed by the wall of the blanking roller, and when the direction of a notch of a limiting groove a on the blanking roller faces downwards, the bar-shaped food in the limiting groove a can fall onto the conveying belt, so that the bar-shaped food in the limiting groove a of the blanking roller can fall intermittently by the rotation of the blanking roller, and the two adjacent bar-shaped foods are ensured to be arranged at intervals when rolling on the conveying belt;

the blanking device comprises a blanking hopper, a blanking roller, a first retaining ring and a second retaining ring, wherein the blanking roller is coaxially and movably arranged in the mounting hole, the first retaining ring and the second retaining ring are respectively arranged at the end part of the blanking roller and coaxially and movably sleeved outside a central shaft of the blanking roller, the first retaining ring and the second retaining ring are matched and arranged in the hole wall of the mounting hole, and bearings are coaxially and movably sleeved between inner rings of the first retaining ring and the second retaining ring and the central shaft of the blanking roller;

the blanking device comprises a blanking roller, a first groove, a second groove, a scraper and a scraper blade, wherein the first groove and the second groove are arranged at intervals in the circumferential direction of the blanking roller and surround the circumferential direction of the blanking roller;

the end parts of the scraping plates in the groove bodies of the first groove and the second groove are arc-shaped and are matched with the groove bottoms of the first groove and the second groove;

the rotation of the blanking roller is driven by the power supply mechanism, the power supply mechanism further comprises a third transmission part, a driving part of the third transmission part is connected with a driven part of the second transmission part, a driven part of the third transmission part is connected with the blanking roller and drives the blanking roller to rotate, the third transmission part comprises a fourth driving wheel coaxially and fixedly sleeved outside the first rotating shaft, and a fourth driven wheel coaxially and fixedly sleeved outside a central shaft of the blanking roller, the fourth driving wheel and the fourth driven wheel are belt wheels or gears, and the fourth driving wheel and the fourth driven wheel can be in belt transmission or gear meshing transmission;

a second blanking shell is arranged on the side wall of the discharging shell;

the fixed frame is provided with a powder sieve for dispersing and dropping powder, and the powder sieve is positioned below the second blanking shell on the powder conveying device;

the fixed frame comprises two supporting plates which are vertically arranged and are parallel to each other, the two supporting plates are respectively arranged on one side of the width direction of the mounting frame, the plate surfaces of the two supporting plates are perpendicular to the conveying direction of the conveying belt, the supporting plate close to a second blanking shell on the powder conveying device is a first supporting plate, the supporting plate far away from the second blanking shell on the powder conveying device is a second supporting plate, the powder sieve comprises a powder sieving shell and a guide rod, the guide rod is arranged at the end part of the powder sieving shell in the length direction and is horizontally arranged, the guide direction of the guide rod is perpendicular to the conveying direction of the conveying belt, the guide rod at one end part of the powder sieving shell in the length direction penetrates through the plate surface of the first supporting plate and is movably connected with the first supporting plate, the guide rod at the other end part of the powder sieving shell in the length direction penetrates through the plate surface of the second supporting plate and is movably connected with the second supporting plate, and the plate surface of the second supporting plate is provided with a swinging element for driving the powder sieving shell to swing, the swing element comprises a sliding push plate arranged on the surface of the second support plate and a guide groove which is in sliding guide fit with the sliding push plate, the guide direction of the guide groove is horizontally arranged and is parallel to the conveying direction of the conveying belt, a push rod is coaxially and fixedly sleeved outside the central shaft of the blanking roller and close to the end part of the second support plate, the push rod is matched with the sliding push plate, the rotation of the blanking roller can drive the push rod to rotate, the push rod can drive the sliding push plate to slide along the guide direction of the guide groove, the movement of the sliding push plate can drive the powder sieving shell to swing, a reset spring is coaxially sleeved outside the guide rod movably connected with the surface of the first support plate, one end of the reset spring abuts against the surface of the first support plate, the other end of the reset spring abuts against the end part of the guide rod, and when the sliding push plate cancels the thrust on the powder sieving shell, the elastic force of the reset spring can reset the powder sieving shell, thereby enabling the powder sieving shell to swing in a reciprocating way, and enabling the powder particles falling into the powder sieving shell to be in a dispersed state and fall onto a conveying belt;

the sliding push plate comprises a vertical plate a and a sliding block b, a push groove c used for inserting a push rod is formed in the vertical plate a, the push groove c is vertically arranged, the sliding block b and the guide groove form sliding guide fit, a connecting block is arranged at the end of a guide rod movably connected with the second support plate, when the sliding block b slides along the guide direction of the guide groove to the direction close to the connecting block, the sliding block b pushes the connecting block to move towards the direction away from the second support plate, so that the powder sieving shell is driven to swing towards the direction close to the second support plate, when the sliding block b slides along the guide direction of the guide groove to the direction away from the connecting block, the sliding block b is separated from the connecting block, and the elastic force of the reset spring can enable the powder sieving shell to swing towards the direction away from the second support plate, so that the powder sieving shell can swing in a reciprocating mode.