CN111361782A

CN111361782A - Packing device for vegetable preservation

Info

Publication number: CN111361782A
Application number: CN202010204676.8A
Authority: CN
Inventors: 陈尚龙; 蔡望秋; 李超; 陈安徽; 邵颖; 师聪; 张文莉; 刘恩岐
Original assignee: Xuzhou University of Technology
Current assignee: Xuzhou University of Technology
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-07-03

Abstract

Packing plant for vegetables are preserved fresh for realize the fresh-keeping processing to vegetables. It includes: the middle part of the frame is hollow to form an operation area; the conveying unit is arranged at the upper part of the operation area and comprises a large chain wheel and a small chain wheel which are rotationally connected with the rack and a chain arranged between the large chain wheel and the small chain wheel; the clamp is fixed on the chain; the vibration unit comprises a fixed shaft arranged above the operation area, a vertical shaft rotationally connected with the fixed shaft, a coil spring arranged between the vertical shaft and the fixed shaft, and a vibration rod fixed at the lower part of the vertical shaft; the spraying unit comprises a spray head which is obliquely arranged, and the spray head obliquely sprays water mist downwards; and the winding unit comprises a box body fixed on the rack and a film shaft rotatably arranged on the box body, and a film roll is sleeved on the film shaft. The invention can conveniently remove rotten leaves of vegetables, spray water and package.

Description

Packing device for vegetable preservation

Technical Field

The invention relates to the technical field of vegetable preservation, in particular to a packaging device for vegetable preservation.

Background

The stem leafy vegetables such as celery and caraway are usually wrapped by a preservative film to slow down the loss of water and further ensure the freshness of the vegetables. When some leaves of celery or caraway are rotten, bacteria are easy to breed, and then surrounding stems or leaves are infected quickly, so that the rotting process is accelerated. Therefore, the rotten leaves on the vegetables are removed, the air humidity around the vegetable leaves is ensured, and the fresh-keeping effect on the vegetables is good.

Disclosure of Invention

The invention aims to provide a packaging device for vegetable preservation, which is used for realizing the preservation treatment of vegetables.

The technical scheme adopted by the invention for solving the technical problems is as follows: packing plant is used in vegetables freshness protection, characterized by, it includes:

the middle part of the frame is hollow to form an operation area;

the conveying unit is arranged at the upper part of the operation area and comprises a large chain wheel and a small chain wheel which are rotationally connected with the rack and a chain arranged between the large chain wheel and the small chain wheel;

the clamp comprises a first clamping plate fixedly connected with the chain, a second clamping plate hinged with the first clamping plate, and a torsion spring arranged between the first clamping plate and the second clamping plate, wherein the first clamping plate and the second clamping plate are contacted and pressed tightly under the action of the torsion spring;

the vibration unit comprises a fixed shaft arranged above the operation area, a vertical shaft rotationally connected with the fixed shaft, a coil spring arranged between the vertical shaft and the fixed shaft, a vibration rod fixed at the lower part of the vertical shaft, a first driven gear fixed on the vertical shaft, a vibration motor fixed on the rack, and a first driving gear fixed at the output end of the vibration motor and meshed with the first driven gear;

the spraying unit comprises a spray head which is obliquely arranged, and the spray head obliquely sprays water mist downwards;

and the winding unit comprises a box body fixed on the rack and a film shaft rotatably installed on the box body, a film roll is sleeved on the film shaft, a winding motor is arranged in the box body, a second driving gear is fixed at the output end of the winding motor, and the second driving gear is meshed with a second driven gear positioned on the film shaft.

Furthermore, the first clamping plate and the second clamping plate are both semicircular arc plates, and after the first clamping plate is butted with the second clamping plate, the first clamping plate and the second clamping plate form a complete cylinder.

Furthermore, a pair of first ear plates is fixed on the first clamping plate, a pair of second ear plates is fixed on the second clamping plate, and the first ear plates are hinged with the corresponding second ear plates.

Furthermore, an actuating rod is fixed at the top of the second clamping plate, a driving block is fixed on the rack, two inclined planes which are arranged in an intersecting mode are arranged on the driving block, and the actuating rod drives the actuating rod to enable the second clamping plate to swing around a hinge point after being contacted with the inclined planes in an extruding mode.

Furthermore, a conveying motor is fixed on the rack, a worm is fixed at the output end of the conveying motor, the worm is meshed with a worm wheel, and the worm wheel and the large chain wheel are coaxially arranged.

Furthermore, the inner walls of the first clamping plate and the second clamping plate are provided with gaskets.

Further, the film shaft comprises a first vertical part, a horizontal part and a second vertical part which are sequentially arranged from top to bottom, and the first vertical part and the horizontal part are completely arranged outside the box body.

The invention has the beneficial effects that: according to the packaging device for vegetable preservation, vegetables are placed in the clips manually, then the clips clamp the vegetables, the vegetables are transported under the action of the conveying unit, and the conveying unit operates intermittently. When the vegetables move to the vicinity of the vibration unit, the vibration rod swings along with the vertical shaft to beat the vegetables, and the rotten leaves on the vegetables are knocked off. When the vegetables are transported to the vicinity of the spray head, the spray head is operated to spray water onto the vegetable leaves. When vegetables moved to the winding unit top, the film axle drove the rotation of film book and then twined the film on vegetables, realized the parcel to vegetables. Thus, the rotten leaves on the vegetables are removed, the vegetables are sprayed with water, and the vegetables are wrapped in sequence; compared with the prior art in which vegetable packaging is carried out manually, the vegetable packaging machine has high working efficiency and can greatly reduce the labor capacity of workers.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a side view of the frame;

FIG. 3 is a schematic view of a delivery unit;

FIG. 4 is a top view of the clip;

FIG. 5 is a top view of the first clamping plate;

FIG. 6 is a top view of the second clamping plate;

FIG. 7 is a schematic view of the first and second clamping plates in abutting engagement;

FIG. 8 is a schematic view of the assembly of the first clamping plate and the second clamping plate;

FIG. 9 is a schematic view of the placement of a shim inside the clip;

FIG. 10 is a schematic view of the location of the vibration unit and the spray unit and the delivery unit;

FIG. 11 is a schematic view of the location of the vibration unit and the vegetables;

FIG. 12 is a schematic diagram of spraying vegetables by the spraying unit;

FIG. 13 is one of the schematic views of the assembly of the film roll and the spindle;

FIG. 14 is a second view of the assembly of the film roll and the spindle;

FIG. 15 is a schematic view of the action of the actuating rod and the driving block;

in the figure: 1 rack, 11 grooves, 12 operating areas, 13 driving blocks, 131 inclined planes, 2 large chain wheels, 21 chain wheels, 22 chains, 23 worm wheels, 24 worms, 25 conveying motors, 3 first clamping plates, 31 second clamping plates, 32 first lug plates, 33 second lug plates, 34 actuating rods, 35 notches, 36 gaskets, 4 vertical shafts, 41 vibrating rods, 42 fixing shafts, 43 first driven gears, 44 first driving gears, 45 vibrating motors, 5 vegetables, 6 spray heads, 7 boxes, 71 end covers, 72 film shafts, 73 bearings, 74 second driven gears, 75 second driving gears, 76 winding motors and 8 film rolls.

Detailed Description

As shown in fig. 1 to 15, the present invention mainly includes a frame 1, a conveying unit, a clamp, a vibrating unit, a spraying unit, and a winding unit, and the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a frame 1 is a basic component of the present invention, and an operation area 12 is provided at an upper portion of the frame, and is provided to facilitate various operations on vegetables. A recess 11 is provided in the frame below the operating area, in which recess vegetables can be temporarily placed. A driving block 13 is fixed on the frame above the operation area, as shown in fig. 15, the left end of the driving block is in a conical structure, the left end surface of the driving block comprises a pair of inclined surfaces 131, and an obtuse included angle is formed between the two inclined surfaces.

As shown in fig. 3, the conveying unit comprises a large chain wheel 2 and a small chain wheel 21 which are rotatably mounted on the frame, a chain 22 arranged between the large chain wheel and the small chain wheel, a worm wheel 23 coaxially arranged with the large chain wheel, a worm 24 meshed with the worm wheel, and a conveying motor 25 fixed on the frame for driving the worm, wherein the conveying motor can drive the chain to move when working.

As shown in fig. 4 to 9, the clip includes a first clip plate 3 and a second clip plate 31, both of which are arc plates, the central angle of the first and second clip plates is 180 degrees, a pair of first ear plates 32 is fixed on the outer wall of the first clip plate, a pair of second clip plates 33 is fixed on the outer wall of the second clip plate, the first ear plates are in one-to-one correspondence with the second ear plates, and the corresponding first ear plates and the corresponding second ear plates are hinged. The outer wall of the first clamping plate is fixedly connected with the chain, and when the chain moves, the first clamping plate can be pulled to move along with the chain. The upper parts of the first clamping plate and the second clamping plate are respectively provided with two notches 35, the first clamping plate and the second clamping plate are aligned together and then enclose a cylinder, and the notches on the first clamping plate and the second clamping plate enclose a triangle. An actuating rod 34 is fixed on the top of the second clamping plate, and when the second clamping plate rotates around a hinge point relative to the first clamping plate, the notch is arranged to avoid the movement interference between the first clamping plate and the second clamping plate. After the first clamping plate and the second clamping plate are paired together, the two second ear plates are arranged between the two first ear plates; a torsion spring is arranged between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are aligned together under the action of the torsion spring to form a cylinder. During the use, arrange the root of vegetables in between first, the second splint, first, the contact of second splint realizes pressing from both sides tightly the vegetables root under the effect of torsional spring. Along with the continuous removal of chain, the clip also continuously moves, after the effect pole on the clip contacts with the drive block, the drive block can drive the relative first splint swing of second splint, as shown in figure 15, when the effect pole rotates along the circumference with little sprocket centre of a circle as the center, the effect pole is close to the drive block gradually, until after the effect pole contacts with the inclined plane on the drive block, the drive block extrusion is acted the pole and is made the swing of second splint, and then the interval between the lower part of second splint and the lower part of first splint increases, and then the clip opens, can place the vegetables root in first, second splint this moment. After the actuating rod crosses the intersection of the two inclined planes, the distance between the lower parts of the first clamping plate and the second clamping plate is gradually reduced, the clamp is closed at the moment until the vegetables are clamped by the first clamping plate and the second clamping plate, and the vegetables are clamped. In order to avoid the vegetable extrusion damage caused by the first and second clamping plates, a gasket 36 made of rubber material is arranged on the inner wall of the first and second clamping plates.

The conveying unit is disposed above the operation area, and a vibration unit is disposed in the middle of the operation area, as shown in fig. 10 and 11, the vibration unit includes a fixed shaft 42 fixed on the frame, a vertical shaft 4 rotatably connected with the fixed shaft, a vibration rod 41 fixed at the lower portion of the vertical shaft, a first driven gear 43 fixed on the outer wall of the vertical shaft, a vibration motor 45 fixed on the frame, a first driving gear 44 fixed at the output end of the vibration motor and engaged with the first driven gear, and a coil spring is disposed between the vertical shaft and the fixed shaft. The teeth on the first driving gear are two-thirds, namely, the teeth on the first driving gear are two-thirds teeth on the upward evolution circumference. After the first driving gear and the first driven gear are meshed, the first driving gear drives the first driven gear to rotate, and when the first driving gear and the first driven gear are not meshed any more, the vertical shaft rotates reversely under the action of the coil spring. And each time the first driving gear rotates for one circle, the first driven gear rotates forwards for a fixed angle and then rotates reversely under the action of the coil spring until the first driving gear is meshed with the first driven gear again. The vibrating motor drives the first driving gear to rotate for several circles, the first driven gear swings for several times in the process, and the vibrating rod knocks the stem of the vegetable, so that the rotten leaves on the vegetable are knocked off.

And a spraying unit is also arranged above the operation area and mainly comprises a spray head 6 which can spray atomized water drops, as shown in figure 12, the spray head sprays the atomized water drops on the leaves and stems of the vegetables, and then the moisture of the vegetables is increased.

As shown in fig. 10 and 13, a box body 7 is fixed on the frame, a bearing 73 is fixed in an inner cavity of the box body, a film shaft 72 is fixed on the bearing, the film shaft includes a first vertical portion, a horizontal portion and a second vertical portion which are sequentially arranged from top to bottom, wherein the first vertical portion and the horizontal portion are completely arranged outside the box body, and an end cover 71 is arranged at the top of the box body to seal the inside of the box body. A second driven gear 74 is fixed on the second vertical part of the film shaft, a winding motor 76 is fixed in the box body, a second driving gear 75 meshed with the second driven gear is fixed at the output end of the winding motor, and the winding motor can drive the film shaft to rotate when acting. The film roll 8 is placed on the film shaft, and the film shaft drives the film roll to synchronously rotate when rotating, so that the film can be detached from the film roll. When the vegetable is rotated above the box body, the vegetable is generally positioned on the extension line of the second vertical part of the film shaft, and the film can be wound outside the vegetable when the film shaft rotates and the film is detached from the film roll. When vegetables were wrapped up, the manual work was torn the film head from the film book, then pasted at the vegetables outer wall, and film axle rotates just to twine the film on vegetables afterwards, twines several rings of backs, can use the blade to cut off the film by the manual work.

In this way, the vegetables are manually placed in the clamps, then the clamps clamp the vegetables, and then the vegetables are transported under the action of the conveying unit, and the conveying unit is intermittently operated. When the vegetables move to the vicinity of the vibration unit, the vibration rod swings along with the vertical shaft to beat the vegetables, and the rotten leaves on the vegetables are knocked off. When the vegetables are transported to the vicinity of the spray head, the spray head is operated to spray water onto the vegetable leaves. When vegetables moved to the winding unit top, the film axle drove the rotation of film book and then twined the film on vegetables, realized the parcel to vegetables. Thus, the rotten leaves on the vegetables are removed, the vegetables are sprayed with water, and the vegetables are wrapped in sequence; compared with the prior art in which vegetable packaging is carried out manually, the vegetable packaging machine has high working efficiency and can greatly reduce the labor capacity of workers.

Claims

1. Packing plant is used in vegetables freshness protection, characterized by, it includes:

the middle part of the frame is hollow to form an operation area;

2. The packaging device for preserving vegetables as claimed in claim 1, wherein the first and second clamping plates are both semicircular arc plates, and the first and second clamping plates form a complete cylinder after the first and second clamping plates are butted together.

3. The packaging device for preserving vegetables as claimed in claim 2, wherein a pair of first ear plates are fixed to the first clamping plate, and a pair of second ear plates are fixed to the second clamping plate, the first ear plates being hingedly connected to the corresponding second ear plates.

4. The packaging device for preserving vegetables as claimed in claim 3, wherein an actuating rod is fixed to the top of the second clamp plate, a driving block is fixed to the frame, two inclined planes are provided on the driving block to intersect each other, and the actuating rod is pressed by the driving block after contacting the inclined planes so that the second clamp plate swings around the hinge point.

5. The packaging device for preserving vegetables as claimed in claim 1, wherein a conveying motor is fixed to the frame, a worm is fixed to an output end of the conveying motor, the worm is engaged with a worm wheel, and the worm wheel is coaxially disposed with the large sprocket.

6. The apparatus as claimed in claim 4, wherein spacers are provided on the inner walls of the first and second clamping plates.

7. The packaging device for preserving vegetables as claimed in claim 1, wherein the film shaft includes a first vertical portion, a horizontal portion and a second vertical portion arranged in sequence from top to bottom, the first vertical portion and the horizontal portion being disposed completely outside the box body.