CN116213254B

CN116213254B - Dehydrated vegetable assembly line sieving mechanism

Info

Publication number: CN116213254B
Application number: CN202310505517.5A
Authority: CN
Inventors: 单艳琴
Original assignee: JIANGSU NATURAL FOOD CO Ltd
Current assignee: JIANGSU NATURAL FOOD CO Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-07-14
Anticipated expiration: 2043-05-08
Also published as: CN116213254A

Abstract

The invention belongs to the field of pipeline screening, in particular to a dehydrated vegetable pipeline screening device, which comprises two speed reducing motors and a recovery box which are arranged in parallel, wherein the recovery box is positioned between the two speed reducing motors, the output ends of the speed reducing motors are fixedly connected with driving rollers, a conveyor belt is sleeved between the outer sides of the two driving rollers, the top end of the recovery box is connected with a negative pressure fan, the inside of the recovery box is hollow, the suction end of the negative pressure fan is communicated with the top of the recovery box, and one side of the recovery box is provided with a communicating component.

Description

Dehydrated vegetable assembly line sieving mechanism

Technical Field

The invention belongs to the field of pipeline screening, and particularly relates to a dehydrated vegetable pipeline screening device.

Background

The dehydrated vegetable is also called as rehydrated vegetable, which is a dried vegetable prepared by washing and drying fresh vegetable, removing most of water in the vegetable, and the original color and nutrition of the vegetable are basically unchanged, so that the dehydrated vegetable is easy to store and transport, and can be effectively regulated in light and vigorous seasons, and the dehydrated vegetable can be restored by immersing the dehydrated vegetable in clear water when eaten, and the original color, nutrition and flavor of the vegetable are maintained.

There are many kinds of dehydrated vegetables, most of which are long such as: in order to ensure that the subsequent sales are smooth, dehydrated turnips and the like, the products are not broken into small pieces in the prior treatment and transportation before vacuum packaging, so that a screening device is required to be arranged before packaging.

However, the existing screening device screens the vegetables generally through a screen and vibration, so that the dehydrated vegetables are large in brittleness, and the original intact vegetables are easily crushed by the traditional vibration screening, so that the vegetables cannot be smoothly used.

Therefore, the invention provides a dehydrated vegetable pipeline screening device.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the invention discloses a dehydrated vegetable pipeline screening device, which comprises two speed reducing motors and a recovery box which are arranged in parallel, wherein the recovery box is positioned between the two speed reducing motors, the output end of each speed reducing motor is fixedly connected with a driving roller, a conveyor belt is sleeved between the outer sides of the two driving rollers, the top end of the recovery box is connected with a negative pressure fan, the inside of the recovery box is hollow, the suction end of the negative pressure fan is communicated with the top of the recovery box, one side of the recovery box is provided with a communicating component, the communicating component is used for transferring the suction force of the negative pressure fan to the top surface of the conveyor belt, the negative pressure fan is started to generate negative pressure, the negative pressure is transmitted to the upper side of the conveyor belt through the recovery box and the communicating component, dehydrated vegetables to be screened are placed on the conveyor belt, the conveyor belt is slowly moved through the speed reducing motors and the driving rollers, the generated negative pressure can absorb the dehydrated vegetables with smaller quality after breakage into the recovery box, the whole strip dehydrated vegetables are heavier in quality and cannot be absorbed by the negative pressure, the quality can not only reach the quality after the dehydration quality is not reach the standard, but also the quality can be transferred through the arrangement, the dehydrated quality can be further guaranteed, the dehydrated products can be further and the quality cannot be damaged by the dust and the quality can be removed, and the quality of the dehydrated products can be further produced, and the quality can not reach the quality can be guaranteed.

Preferably, the communicating component comprises a transmission pipe communicated with the recovery box, the transmission pipe is fixedly connected with a splitting pipe towards one end of the transmission belt, the splitting pipe comprises a central pipe fixedly connected with the transmission pipe, two splitting pipes are fixedly connected at the bottom of the central pipe, absorption covers are fixedly connected at the bottom ends of the splitting pipes, the absorption covers are located above the transmission belt, the two absorption covers are arranged in parallel along the direction of the transmission belt, the transmission belt is formed by weaving elastic fiber materials, the elastic transmission belt is matched, the transmission belt at the bottom of the absorption cover can shake up and down when the negative pressure of the negative pressure fan is regulated to be intermittent, but dehydrated vegetables which are entangled with each other can be effectively separated, the mixed quality of the dehydrated vegetables are absorbed by the negative pressure through the arrangement of the splitting pipes, and the dual absorption can be realized, so that the screening effect is improved.

Preferably, the below of conveyer belt is provided with the guide frame, the rigid coupling has the mount between the side of guide frame and collection box, the width of guide frame is less than the width of conveyer belt, the both sides of guide frame are all raised and are set up, and the both sides of guide frame are laminated with the bottom surface activity of conveyer belt, under vibrations and absorbing dual-action, the product of conveyer belt top can drop to the conveyer belt both sides, through the setting of guide frame, the guide frame both sides are too high, when the conveyer belt removes to the guide frame top, can be topped up by the guide frame both sides, makes its both sides slope, lets the conveyer belt top become the indent state, the problem that the product dropped from both sides has significantly reduced.

Preferably, the both ends of guide frame all rigid coupling has the interlude pole, the interlude pole is cylindrical setting, the inboard middle part rigid coupling of conveyer belt has annular card strip, the bottom of card strip is the opening setting, interlude pole and the inboard sliding connection of card strip, two card strips distribute in two absorption covers outsides, the recess with card strip looks adaptation is seted up at the outside middle part of drive roller, through the setting of interlude pole, wears the interlude pole and card strip sliding joint in absorption cover both sides, can restrict the upper and lower transmission of rocking of conveyer belt to both sides, guarantees that the conveyer belt only can rock from top to bottom at the absorption cover position, reduces and rocks the transmission and cause the unstable problem of transportation, rocks the range and also is restricted simultaneously, can not lead to the product damage because rocking too strongly.

Preferably, the cross section of bifurcation pipe is rectangular setting, the inboard middle part of bifurcation pipe rotates and is connected with the choke piece, the cross section of choke piece is oval setting, the outside of choke piece is provided with power component, power component is used for driving the choke piece and rotates, through this kind of setting, need not to control the intermittent type of negative pressure fan and opens, improves the life of negative pressure fan, and simple structure is difficult for taking place the trouble.

Preferably, the both sides of transmission pipe all rigid coupling has a power section of thick bamboo, the inboard of power section of thick bamboo rotates and is connected with pneumatic fan, one side of pneumatic fan is located the transmission pipe inboard, be provided with the linkage subassembly between pneumatic fan and the choke piece, the linkage subassembly is used for giving the choke piece with the power transmission of pneumatic fan, through this kind of setting, has utilized the air current of negative pressure to realize intermittent type effect, need not to set up new driving electrical apparatus, and because the structure of choke piece, can not block up the split tube for negative pressure air current exists always.

Preferably, the linkage assembly comprises a vertical rod, the bottom of montant is connected with the top rotation of absorbing cover, be provided with gear assembly between the output shaft of top and pneumatic fan is leaned on in the outside of montant, the middle part rigid coupling of choke piece has the horizontal pole that runs through split tube, the outside of montant leans on being provided with worm gear set between bottom and the horizontal pole, through gear assembly and worm gear set's setting, gives the choke piece with pneumatic fan's turning force transmission, lets the choke piece rotate, has realized not having need to consume other energy, just can accomplish split tube intermittent type suction, lets the conveyer belt top shake the effect of dispelling dehydrated vegetables.

Preferably, the gear set comprises a large gear and a small gear which are meshed with each other, the large gear is fixedly connected with a vertical rod, the small gear is fixedly connected with an output shaft of the pneumatic fan, the worm gear and worm group comprises a worm wheel and a worm which are meshed with each other, the worm is fixedly connected with the vertical rod, the worm wheel is fixedly connected with a cross rod, the large gear and the small gear are arranged, and the small gear drives the large gear to reduce the speed and lift force process, so that the rotating force output by the pneumatic fan can slowly and stably drive the choke plate to rotate, and the problem of insufficient force transmission is solved.

Preferably, the discharge gate has been seted up to one side that split tube was kept away from to the collection box, the discharge gate bottom rotates and is connected with the roll-over door, the rigid coupling has isolated screen panel between negative pressure fan and the collection box, it is connected with two unidirectional doors that are parallel arrangement to rotate on the collection box inner wall, and two unidirectional doors are located the below of transmission tube, and the scattered vegetables and the dust granule of retrieving still need separate, through setting up isolated screen panel, connect the dust removal setting of mill in the outside of negative pressure fan, and the dust granule can be discharged from the top of negative pressure fan through isolated screen panel, and vegetables can be blocked in the below by isolated screen panel, and after the screening, close negative pressure fan lets vegetables fall to the bottom, takes out vegetables through opening the roll-over door.

Preferably, the isolated screen panel is wide in the top and narrow in the bottom and sets up in the prismatic table form, the inboard of absorbing cover leans on the bottom rigid coupling to have a plurality of elastic material's one-way piece, through the structure setting of isolated screen panel, block the vegetables in isolated screen panel bottom, can follow the isolated screen panel outside climbing of prismatic table form under the lasting effect of suction, thereby spill isolated screen panel of bottom, guarantee that isolated screen panel's bottom exists the suction all the time, close one minute after setting up negative pressure fan every work for a period simultaneously, let isolated screen panel bottom vegetables drop, just so even open negative pressure fan once more, because the collection box bottom does not have the air intake, vegetables also can not be absorbed, and the setting of elastic one-way piece can seal by oneself when the suction, prevent that the vegetables that have absorbed from dropping once more.

The beneficial effects of the invention are as follows:

1. according to the dehydrated vegetable pipeline screening device, through the arrangement of the negative pressure fan, the negative pressure fan is started to generate negative pressure, the negative pressure is transmitted to the upper portion of the conveying belt through the recovery box and the communicating component, dehydrated vegetables to be screened are placed on the conveying belt, the conveying belt is enabled to slowly move through the reducing motor and the driving roller, broken dehydrated vegetables with smaller mass can be absorbed into the recovery box through adjusting the negative pressure force of the negative pressure fan, the whole long dehydrated vegetables are heavier in mass and cannot be absorbed by the negative pressure, through the arrangement, the dehydrated vegetables with substandard mass can be absorbed and transferred, dust and particle impurities on the surface can be removed in the preparation process of the dehydrated vegetables, the quality of finished products is further improved, meanwhile, the dehydrated vegetables cannot be damaged through the screening mode, and the integrity of products is guaranteed.

2. The dehydrated vegetable pipeline screening device provided by the invention is matched with the elastic conveyor belt, and the conveyor belt at the bottom of the absorption cover can shake up and down when the negative pressure of the negative pressure fan is regulated to be intermittent, but the conveyor belt can not shake too much due to the limitation of the driving roller, so that the dehydrated vegetables entangled with each other can be effectively separated, the individuals with the mixed quality which does not reach the standard can be absorbed by the negative pressure, and the split pipe can realize double absorption, and the screening effect is improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a perspective view of a split tube according to the present invention;

FIG. 4 is a first perspective cross-sectional view of a split tube of the present invention;

FIG. 5 is a second perspective cross-sectional view of a split tube of the present invention;

fig. 6 is a perspective view of a conveyor belt and guide belt of the present invention;

FIG. 7 is a perspective view of the recovery tank of the present invention;

FIG. 8 is a perspective view of a conveyor belt of the present invention;

in the figure: 1. a conveyor belt; 2. a speed reducing motor; 3. a driving roller; 4. clamping strips; 5. a split tube; 6. a recovery box; 7. a negative pressure fan; 8. a roll-over door; 9. a transmission tube; 10. a power cylinder; 11. an absorption cover; 12. a unidirectional sheet; 13. a worm gear set; 14. a choke piece; 15. a large gear; 16. a pneumatic fan; 17. a pinion gear; 18. a guide frame; 19. a fixing frame; 20. penetrating the inserting rod; 21. isolating the net cover; 22. a one-way door.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Embodiment one: as shown in fig. 1 to 3, the dehydrated vegetable pipeline screening device according to the embodiments of the present invention includes two speed reducing motors 2 and a recovery box 6, which are disposed in parallel, the recovery box 6 is disposed between the two speed reducing motors 2, an output end of the speed reducing motor 2 is fixedly connected with a driving roller 3, a conveyor belt 1 is sleeved between outer sides of the two driving rollers 3, a negative pressure fan 7 is connected to a top end of the recovery box 6, an inside of the recovery box 6 is disposed in a hollow manner, a suction end of the negative pressure fan 7 is communicated with a top of the recovery box 6, a communication component is disposed on one side of the recovery box 6, and the communication component is used for transferring suction force of the negative pressure fan 7 to a top surface of the conveyor belt 1, and when the dehydrated vegetable screening device works, the dehydrated vegetable screening device is in a plurality of long shapes, for example: dehydrated turnip strips, dehydrated sedge and the like are required to be successfully sold, the products are required to be broken into small blocks in the prior treatment and transportation before vacuum packaging, so that a screening device is required to be arranged before packaging, the existing screening device is used for screening the dehydrated vegetables generally through a screen and vibration, the dehydrated vegetables are large in brittleness, the original intact vegetables are easy to crush and cannot be smoothly used through the traditional vibration screening, the negative pressure fan 7 is started to generate negative pressure, the negative pressure is transmitted to the upper side of the conveyor belt 1 through the recovery box 6 and the communicating component, the dehydrated vegetables to be screened are placed on the conveyor belt 1, the conveyor belt 1 is slowly moved through the reducing motor 2 and the driving roller 3, the generated negative pressure can absorb the dehydrated vegetables with small quality after breakage into the recovery box 6, the quality of the whole dehydrated vegetables with long strips is heavy, the dehydrated vegetables cannot be absorbed by the negative pressure, the dehydrated vegetables with substandard quality can be absorbed and transferred through the arrangement, dust and particles on the surface can be removed in the preparation process of the dehydrated vegetables, and the quality of the dehydrated vegetables can be further improved, and meanwhile, the quality of the dehydrated vegetables cannot be damaged through the screening is guaranteed, and the integrity of the dehydrated vegetables can be damaged.

As shown in fig. 3 to 4, the communicating component includes a transmission pipe 9 that communicates with the recycling bin 6, the transmission pipe 9 is fixedly connected with a split pipe 5 towards one end of the conveyor belt 1, the split pipe 5 includes a central pipe fixedly connected with the transmission pipe 9, two split pipes are fixedly connected at the bottom of the central pipe, an absorbing cover 11 is fixedly connected at the bottom of the split pipes, the absorbing cover 11 is located above the conveyor belt 1, the two absorbing covers 11 are arranged in parallel along the direction of the conveyor belt 1, the conveyor belt 1 is formed by weaving elastic fiber materials, during operation, long dehydrated vegetables are easy to intertwine with each other, at the moment, the conveyor belt 1 with elasticity is matched, at the same time, a negative pressure fan 7 intermittently generates negative pressure, so that the conveyor belt 1 at the bottom of the absorbing cover 11 can shake up and down, but due to the arrangement, the limiting conveyor belt 1 of the driving roller 3 can effectively separate the dehydrated vegetables which are mutually entangled, the quality of the individual ones which do not reach standards can be absorbed by the negative pressure, and the setting of the split pipes 5 can realize double absorption.

As shown in fig. 1 to 6, a guiding frame 18 is provided below the conveyor belt 1, a fixing frame 19 is fixedly connected between the guiding frame 18 and the side surface of the recovery box 6, the width of the guiding frame 18 is smaller than that of the conveyor belt 1, two sides of the length direction 8 of the guiding frame 1 are all lifted, and two sides of the guiding frame 18 are movably attached to the bottom surface of the conveyor belt 1, during operation, under the dual effects of vibration and absorption, products above the conveyor belt 1 may fall down to two sides of the conveyor belt 1, through the arrangement of the guiding frame 18, two sides of the guiding frame 18 are too high, when the conveyor belt 1 moves above the guiding frame 18, the two sides of the guiding frame 18 are lifted, so that two sides of the length direction of the conveyor belt 1 are inclined, the upper side of the conveyor belt 1 is changed into a concave state, and the problem that the products fall down from two sides is greatly reduced.

As shown in fig. 1 to 6, the two ends of the guiding frame 18 are fixedly connected with penetrating rods 20, the penetrating rods 20 are in a cylindrical shape, the middle part of the inner side of the conveying belt 1 is fixedly connected with annular clamping strips 4, the bottoms of the clamping strips 4 are in an opening arrangement, the penetrating rods 20 are in sliding connection with the inner sides of the clamping strips 4, the two clamping strips 4 are distributed at positions corresponding to the two absorption covers 11, grooves matched with the clamping strips 4 are formed in the middle part of the outer side of the driving roller 3, when the driving roller 3 works, shaking of the conveying belt 1 is not too strong, products can be dropped and damaged, the penetrating rods 20 and the clamping strips 4 are distributed on the two sides of the absorption cover 11 in a sliding and clamping manner through the arrangement of the penetrating rods 20, the vertical shaking of the conveying belt 1 can be limited to be transmitted to two sides, the conveying belt 1 can be ensured to be only in up-and-down shaking of parts below the position of the absorption cover 11, the shaking transmission is reduced, and the shaking amplitude is limited, and the shaking amplitude is not too strong, so that the products are damaged.

As shown in fig. 3 to 5, the cross section of the bifurcation tube is rectangular, the middle part of the inner side of the bifurcation tube is rotationally connected with a choke piece 14, the cross section of the choke piece 14 is oval, a power component is arranged on the outer side of the choke piece 14 and used for driving the choke piece 14 to rotate, the power component drives the choke piece 14 to rotate during operation, when the choke piece 14 rotates to be horizontal, most of the cross section of the inner cavity of the bifurcation tube can be gradually occupied, the flow of air current is blocked to weaken the suction force below, when the choke piece 14 rotates to be vertical, the suction force is gradually enhanced, the suction force reaches the strongest when the choke piece 14 is in the vertical state and can realize the effect of absorbing broken vegetables, intermittent negative pressure generation of the negative pressure fan 7 is realized through the arrangement, and the structure is simple and faults are not easy to occur. The part of the broken vegetables rising due to the suction force can contact one surface of the choke piece 14, and the broken vegetables can be attached to the surface of the choke piece 14 due to the existence of negative pressure, and can be driven to synchronously rotate along with the continued rotation of the choke piece 14, and when one surface of the choke piece 14, to which the broken vegetables are attached, rotates to the upper side, the broken vegetables can be separated from the choke piece 14 and continuously rise into the bifurcation pipe.

As shown in fig. 3 to 5, the power cylinders 10 are fixedly connected to two sides of the transmission pipe 9, the pneumatic fans 16 are rotatably connected to the inner sides of the power cylinders 10, one side of each pneumatic fan 16 is located on the inner side of the transmission pipe 9, a linkage assembly is arranged between each pneumatic fan 16 and each choke piece 14 and used for transmitting power of each pneumatic fan 16 to each choke piece 14, when the pneumatic fan is operated, suction force is transmitted through the transmission pipe 9, air flows can blow the pneumatic fan 16 through the transmission pipe 9, the pneumatic fan 16 is enabled to rotate, then the choke pieces 14 are driven to rotate under the driving of the linkage assembly, an intermittent effect is achieved by utilizing negative pressure air flow, a new driving electric appliance is not needed, and due to the structure of each choke piece 14, the split pipe 5 cannot be blocked, so that negative pressure air flow always exists.

As shown in fig. 3 to 5, the linkage assembly comprises a vertical rod 23, the bottom end of the vertical rod 23 is rotationally connected with the top of the absorbing cover 11, a gear assembly is arranged between the outer side of the vertical rod 23 and the output shaft of the pneumatic fan 16, a cross rod penetrating through the splitting pipe 5 is fixedly connected to the middle of the choke piece 14, a worm and gear set 13 is arranged between the outer side of the vertical rod 23 and the cross rod, and when the pneumatic fan is operated, the rotating force of the pneumatic fan 16 is transmitted to the choke piece 14 through the arrangement of the gear assembly and the worm and gear set 13, so that the choke piece 14 rotates, the intermittent suction of the splitting pipe 5 can be completed without consuming other energy, and the top of the conveyor belt 1 can shake, shake and scatter and dewater vegetables.

As shown in fig. 3 to 5, the gear set includes a large gear 15 and a small gear 17 meshed with each other, the large gear 15 is fixedly connected with a vertical rod 23, the small gear 17 is fixedly connected with an output shaft of the pneumatic fan 16, the worm gear and worm set 13 includes a worm wheel and a worm meshed with each other, the worm is fixedly connected with the vertical rod 23, and the worm wheel is fixedly connected with a cross rod.

As shown in fig. 2 to 7, a discharge hole is formed in one side, far away from the splitting pipe 5, of the recovery box 6, a roll-over door 8 is rotatably connected to the bottom of the discharge hole, an isolation net cover 21 is fixedly connected between the negative pressure fan 7 and the recovery box 6, two parallel unidirectional doors 22 are rotatably connected to the inner wall of the recovery box 6, the two unidirectional doors 22 are located below the transmission pipe 9, during operation, the recovered broken vegetables and dust particles still need to be separated, the dust collection device of a factory is connected to the outer side of the negative pressure fan 7 through the arrangement of the isolation net cover 21, the dust particles are discharged from the top of the negative pressure fan 7 through the isolation net cover 21, vegetables are blocked below by the isolation net cover 21, after screening is finished, the negative pressure fan 7 is closed, the vegetables fall to the bottom, and the vegetables are taken out by opening the roll-over door 8.

Embodiment two: as shown in fig. 5 to 7, a comparative example one, in which another embodiment of the present invention is: the isolation screen cover 21 is in a prismatic table-shaped arrangement with a wide upper part and a narrow lower part, the inner side of the absorption cover 11 is fixedly connected with a plurality of unidirectional sheets 12 made of elastic materials by the bottom end, and in operation, vegetables at the bottom of the isolation screen cover 21 are blocked by the structural arrangement of the isolation screen cover 21 and can move from the outer side of the prismatic table-shaped isolation screen cover 21 under the continuous action of suction, so that the bottom of the isolation screen cover 21 is ensured to always have suction force, meanwhile, the negative pressure fan 7 is arranged to be closed for one minute after a period of operation, vegetables at the bottom of the isolation screen cover 21 fall off, even if the negative pressure fan 7 is started again, the vegetables are not sucked up due to the fact that the air inlet is not arranged at the bottom of the recovery box 6, and the elastic unidirectional sheets 12 are arranged, so that the vegetables which are sucked up can be automatically closed when the suction force is weakened, and the vegetables which are sucked up are prevented from falling down again.

In operation, dehydrated vegetables are of many kinds, most of which are in the form of long strips such as: in order to ensure that the subsequent sales are smooth, the products are not broken into small blocks in the prior treatment and transportation before vacuum packaging, so that a screening device is required to be arranged before packaging, the existing screening device generally screens the dehydrated vegetables through a screen and vibration, the brittleness of the dehydrated vegetables is large, the original intact vegetables are easy to crush and cannot be smoothly used by the traditional vibration screening, the negative pressure fan 7 is started to generate negative pressure, the negative pressure is transmitted to the upper part of the conveyor belt 1 through the recovery box 6 and the communicating component, the dehydrated vegetables to be screened are placed on the conveyor belt 1, the conveyor belt 1 is slowly moved through the reducing motor 2 and the driving roller 3, the generated negative pressure can absorb the dehydrated vegetables with smaller quality after breakage into the recovery box 6, the quality of the complete long dehydrated vegetables is heavy and cannot be absorbed by the negative pressure, and the quality of the dehydrated vegetables is not up to standard through the arrangement, dust and particles on the surface can be removed in the preparation process of the dehydrated vegetables, and the quality of the dehydrated vegetables can be further improved, and the quality of the dehydrated vegetables is further damaged by the screening is ensured, and the quality of the dehydrated vegetables is not completely damaged in the mode; the strip-shaped dehydrated vegetables are easy to intertwine, at the moment, the elastic conveyor belt 1 is matched, and meanwhile, when the negative pressure of the negative pressure fan 7 is regulated to be intermittent, the conveyor belt 1 at the bottom of the absorption cover 11 can shake up and down, but due to the fact that the driving roller 3 is used for limiting the conveyor belt 1, the shaking amplitude is not too large, through the arrangement, the dehydrated vegetables which are intertwined can be effectively separated, the individuals with mixed quality which does not reach the standard are absorbed by the negative pressure, and the split pipe 5 is arranged, double absorption can be realized, and the screening effect is improved; under the dual actions of vibration and absorption, products above the conveyor belt 1 may fall to two sides of the conveyor belt 1, and through the arrangement of the guide frame 18, the two sides of the guide frame 18 are too high, when the conveyor belt 1 moves to the upper side of the guide frame 18, the two sides of the guide frame 18 are propped up, so that the two sides of the guide frame incline, the upper side of the conveyor belt 1 is changed into a concave state, and the problem that the products fall from the two sides is greatly reduced; the shaking of the conveyor belt 1 is not too strong, the product is not easy to drop and damage, through the arrangement of the penetrating and inserting rods 20, the penetrating and inserting rods 20 and the clamping strips 4 are distributed on two sides of the absorption cover 11 in a sliding clamping manner, the up-and-down shaking of the conveyor belt 1 can be limited to be transmitted to two sides, the conveyor belt 1 can be prevented from shaking up and down only at the position of the absorption cover 11, the problem of unstable transportation caused by shaking transmission is solved, meanwhile, the shaking amplitude is limited, and the damage to the product caused by too strong shaking is avoided; the choke piece 14 is driven to rotate through the power assembly, most of the bifurcation pipes are blocked after the choke piece 14 rotates to be horizontal, so that the suction force below is weakened, and the suction force reaches the strongest after the choke piece 14 rotates to be vertical, so that the effect of absorbing the broken vegetables is achieved; the suction is transmitted through the transmission pipe 9, the air flow can blow the air fan 16 through the transmission pipe 9, so that the air fan 16 rotates, and then the air blocking piece 14 is driven to rotate under the drive of the linkage assembly; through the arrangement of the gear component and the worm gear group 13, the rotating force of the pneumatic fan 16 is transmitted to the choke piece 14, so that the choke piece 14 rotates, the intermittent suction of the splitting pipe 5 can be completed without consuming other energy, and the top of the conveyor belt 1 can shake and shake dehydrated vegetables; through the arrangement of the large gear 15 and the small gear 17, the small gear 17 drives the large gear 15 to reduce the lifting force process, so that the rotating force output by the pneumatic fan 16 can slowly and stably drive the choke piece 14 to rotate, and the problem of insufficient force transmission is solved; the scattered vegetables and the dust granule of retrieving still need separate, through setting up isolated screen panel 21, connect the dust removal setting of mill in negative pressure fan 7's outside, and the dust granule can be discharged from negative pressure fan 7's top through isolated screen panel 21, and vegetables can be kept off in the below by isolated screen panel 21, and after the screening, close negative pressure fan 7, let vegetables fall to the bottom, take out vegetables through opening roll-over door 8. .

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dehydrated vegetable assembly line sieving mechanism which characterized in that: the automatic recycling device comprises two speed reducing motors (2) and recycling boxes (6) which are arranged in parallel, wherein each recycling box (6) is located in the middle of each speed reducing motor (2), each driving roller (3) is fixedly connected to the output end of each speed reducing motor (2), a conveyor belt (1) is sleeved between the outer sides of each driving roller (3), the top end of each recycling box (6) is connected with a negative pressure fan (7), the inside of each recycling box (6) is hollow, the suction end of each negative pressure fan (7) is communicated with the top of each recycling box (6), and one side of each recycling box (6) is provided with a communication assembly which is used for transferring the suction force of each negative pressure fan (7) to the top surface of each conveyor belt (1);

the communication assembly comprises a transmission pipe (9) communicated with the recovery box (6), a split pipe (5) is fixedly connected to one end of the transmission pipe (9) facing the conveyor belt (1), the split pipe (5) comprises a central pipe fixedly connected with the transmission pipe (9), two split pipes are fixedly connected to the bottom of the central pipe, an absorption cover (11) is fixedly connected to the bottom of each split pipe, the absorption cover (11) is located above the conveyor belt (1), the two absorption covers (11) are arranged in parallel along the direction of the conveyor belt (1), the conveyor belt (1) is formed by weaving elastic fiber materials, and negative pressure is intermittently generated by a negative pressure fan (7);

the utility model discloses a conveyer belt, including conveyer belt (1), conveyer belt (18), guide frame (18), rigid coupling has mount (19) between the side of guide frame (18) and collection box (6), the width of guide frame (18) is less than the width of conveyer belt (1), the both sides of guide frame (18) are all raised and are set up, and the both sides of guide frame (18) are laminated with the bottom surface activity of conveyer belt (1).

2. The dehydrated vegetable pipeline screening apparatus of claim 1, wherein: the guide frame is characterized in that penetrating rods (20) are fixedly connected to two ends of the guide frame (18), the penetrating rods (20) are in cylindrical arrangement, annular clamping strips (4) are fixedly connected to the middle of the inner side of the conveying belt (1), the bottoms of the clamping strips (4) are in opening arrangement, the penetrating rods (20) are in sliding connection with the inner sides of the clamping strips (4), the two clamping strips (4) are distributed on the outer sides of the two absorption covers (11), and grooves matched with the clamping strips (4) are formed in the middle of the outer sides of the driving roller (3).

3. The dehydrated vegetable pipeline screening apparatus of claim 2, wherein: the cross section of bifurcation is rectangular setting, the inboard middle part of bifurcation rotates and is connected with choke piece (14), the cross section of choke piece (14) is oval setting, the outside of choke piece (14) is provided with power pack, power pack is used for driving choke piece (14) and rotates.

4. A dehydrated vegetable pipeline screening apparatus according to claim 3, wherein: the pneumatic fan is characterized in that power cylinders (10) are fixedly connected to two sides of the transmission pipe (9), a pneumatic fan (16) is rotatably connected to the inner side of the power cylinders (10), one side of the pneumatic fan (16) is located on the inner side of the transmission pipe (9), a linkage assembly is arranged between the pneumatic fan (16) and the choke piece (14), and the linkage assembly is used for transmitting power of the pneumatic fan (16) to the choke piece (14).

5. The dehydrated vegetable pipeline screening apparatus of claim 4, wherein: the linkage assembly comprises a vertical rod (23), the bottom end of the vertical rod (23) is rotationally connected with the top of the absorption cover (11), a gear assembly is arranged between the outer side of the vertical rod (23) and the output shaft of the pneumatic fan (16), a cross rod penetrating through the splitting pipe (5) is fixedly connected to the middle of the choke piece (14), and a worm and gear group (13) is arranged between the outer side of the vertical rod (23) and the cross rod.

6. The dehydrated vegetable pipeline screening apparatus of claim 5, wherein: the gear set comprises a large gear (15) and a small gear (17) which are meshed with each other, the large gear (15) is fixedly connected with a vertical rod (23), the small gear (17) is fixedly connected with an output shaft of a pneumatic fan (16), the worm gear and worm group (13) comprises a worm wheel and a worm which are meshed with each other, the worm is fixedly connected with the vertical rod (23), and the worm wheel is fixedly connected with a cross rod.

7. The dehydrated vegetable pipeline screening apparatus of claim 6, wherein: the recycling bin (6) is far away from one side of the splitting pipe (5) and is provided with a discharge hole, the bottom of the discharge hole is rotationally connected with a roll-over door (8), an isolated net cover (21) is fixedly connected between the negative pressure fan (7) and the recycling bin (6), two unidirectional doors (22) which are arranged in parallel are rotationally connected on the inner wall of the recycling bin (6), and the two unidirectional doors (22) are located below the transmission pipe (9).

8. The dehydrated vegetable pipeline screening apparatus of claim 7, wherein: the isolation net cover (21) is arranged in a prismatic table shape with a wide upper part and a narrow lower part, and a plurality of unidirectional sheets (12) made of elastic materials are fixedly connected to the inner side of the absorption cover (11) near the bottom end.