阅读说明：本技术 套网装置和果蔬套网系统 (Net sleeving device and fruit and vegetable net sleeving system ) 是由 王超 于 2021-07-01 设计创作，主要内容包括：本发明提供了一种套网装置和果蔬套网系统,涉及农业机械技术领域,包括托起单元、套网单元、切割单元、网套供应单元；托起单元与套网单元相对设置,且切割单元设置于套网单元的侧向；托起单元用于驱动待套网的果蔬靠近或者远离套网单元,网套供应单元用于存储网套,套网单元能够由网套供应单元获取网套并对处于托起单元上的果蔬套网,切割单元用于将完成套网的果蔬上的网套切断。首先托起单元驱动待套网的果蔬朝向套网单元移动,套网单元由网套供应单元获取网套后并将网套套设在果蔬上,切割单元将带网套的果蔬上的网套切断,重复上述操作,从而实现连续化生产,相比于现有人工套网,节省了人力,提高了工作效率,可靠性高、可连续工作。(The invention provides a net sleeving device and a fruit and vegetable net sleeving system, which relate to the technical field of agricultural machinery and comprise a supporting unit, a net sleeving unit, a cutting unit and a net sleeve supply unit; the lifting unit and the net sleeving unit are arranged oppositely, and the cutting unit is arranged in the lateral direction of the net sleeving unit; the supporting unit is used for driving the fruits and vegetables to be netted to be close to or far away from the net sleeving unit, the net sleeving supply unit is used for storing net sleeves, the net sleeving unit can acquire the net sleeves from the net sleeving supply unit and perform net sleeving on the fruits and vegetables on the supporting unit, and the cutting unit is used for cutting off the net sleeves on the fruits and vegetables after the net sleeving is completed. The fruit and vegetable automatic nesting device comprises a net cover supplying unit, a cutting unit, a supporting unit, a net cover supplying unit, a cutting unit and a control unit.)

1. A net covering device is characterized by comprising a supporting unit (100), a net covering unit (200), a cutting unit (300) and a net cover supplying unit (400); the supporting unit (100) is arranged opposite to the net sleeving unit (200), and the cutting unit (300) is arranged in the lateral direction of the net sleeving unit (200);

the fruit and vegetable net sleeving machine is characterized in that the supporting unit (100) is used for driving fruit and vegetable to be subjected to net sleeving to be close to or far away from the net sleeving unit (200), the net sleeving supply unit (400) is used for storing net sleeves, the net sleeving unit (200) can be used for acquiring the net sleeves from the net sleeving supply unit (400) and sleeving the fruit and vegetable on the supporting unit (100), and the cutting unit (300) is used for cutting off the net sleeves on the fruit and vegetable after net sleeving is completed.

2. A screen device as claimed in claim 1, wherein the screen unit (200) comprises a screen frame (210), a mounting plate (220), a grip-spreading mechanism and a first drive mechanism (240);

the clamping and stretching mechanism is arranged on the mounting plate (220), and has a contraction state and an expansion state; when the clamping and expanding mechanism is in a contraction state, the clamping and expanding mechanism is used for clamping the net sleeve; when the clamping and expanding mechanism is in an expanding state, the clamping and expanding mechanism is used for expanding the net sleeve;

the first driving mechanism (240) is arranged on the netting rack (210), and the driving end of the first driving mechanism (240) is connected with the mounting plate (220) and used for driving the mounting plate (220) and the clamping and opening mechanism to be close to or far away from the supporting unit (100).

3. A screen device as set forth in claim 2, wherein the clamping and spreading mechanism comprises a plurality of driving motors (231), each driving motor (231) is connected with a screen gripper (232), the mounting plate (220) is provided with an opening for the screen to pass through, and the plurality of driving motors (231) are arranged at intervals along the circumferential direction of the opening;

the driving motors (231) respectively drive the netting grippers (232) to fold towards the netting direction for clamping the netting; the driving motors (231) respectively drive the netting claws (232) to open towards the direction far away from the netting for stretching the netting.

4. A netting device according to claim 3, characterized in that the netting gripper (232) comprises a main bar (2321) and a fulcrum bar (2322);

one end of the main rod (2321) is connected with the driving motor (231), the branch rod (2322) is connected to the side direction of the main rod (2321) far away from one end of the driving motor (231), and the extending direction of the branch rod (2322) is not collinear with the extending direction of the main rod (2321).

5. A screen device according to claim 1, wherein the cutting unit (300) comprises a cutting drive mechanism (320) and a cutter (210); the movable end of the cutting driving mechanism (320) is connected with the cutter (210) and used for driving the cutter (210) to stretch.

6. A screen device according to claim 1, wherein the screen supply unit (400) comprises a stand (420) and a winding drum (410);

the support (420) is arranged above the netting unit (200), the winding drum (410) is rotatably connected to the support (420), and the winding drum (410) is used for winding the netting.

7. A screen device as claimed in claim 6, wherein the screen supply unit (400) further comprises a limiting structure provided at the junction of the reel (410) and the support (420) for limiting the reverse rotation of the reel (410).

8. A screen device as claimed in any one of claims 1-7, characterized in that the screen device further comprises a fruit and vegetable conveying mechanism (500), the fruit and vegetable conveying mechanism (500) comprising a conveyor belt (510), a driving wheel (520), a driven wheel (530) and a tension wheel (540); the driving wheel (520) and the driven wheel (530) are connected through the transmission belt (510), and the tension wheel (540) is arranged between the driving wheel (520) and the driven wheel (530) and is used for tensioning the transmission belt (510);

the net sleeving and conveying device is characterized in that a positioning hole (511) is formed in the conveying belt (510), the supporting unit (100) comprises a bracket (110) and a supporting cylinder (120) connected with the bracket (110), the bracket (110) and the supporting cylinder (120) are arranged below the conveying belt (510), and the supporting cylinder (120) can drive the bracket (110) to move towards the net sleeving unit (200) after penetrating through the positioning hole (511).

9. A screen device as set forth in any of claims 1-7, characterized in that a clamping structure (250) is provided on the transport path of the screen between the screen supply unit (400) and the screen unit (200) for preventing reverse movement of the screen.

10. A fruit and vegetable netting system comprising the netting device of any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a net sleeving device and a fruit and vegetable net sleeving system.

Background

Due to the rapid development of economy, the living standard of people is obviously improved at present. On one hand, people have higher requirements on the packaging of fruits and vegetables as well as the requirements on the fruits and vegetables are fresh and delicious. On the other hand, the picked fruits and vegetables need to be transported to various places and need to be protected. The fruit and vegetable packaging bag has good and scientific packaging, can avoid various unnecessary damages to fruits and vegetables in the transportation process, keeps the freshness of the fruits and vegetables, and greatly improves the added value of the fruits and vegetables. In fruit and vegetable packaging, the plastic foaming net sleeve can effectively play a role in buffering and protecting due to the special high elasticity and softness, so that the plastic foaming net sleeve is widely applied to the packaging of single fruits and vegetables at present.

The research finds that manual netting is needed for netting of most fruits and vegetables sold in the market at present, the labor intensity of the netting work is high, the manual packaging efficiency is low, and the time and the labor are consumed.

Disclosure of Invention

The invention aims to provide a net sleeving device and a fruit and vegetable net sleeving system, so as to solve the technical problems that manual net sleeving is needed in the net sleeving work of most of conventional fruits and vegetables, the labor intensity of the net sleeving work is high, the efficiency of manual packaging is low, and time and labor are consumed.

The invention provides a net sleeving device, which comprises a supporting unit, a net sleeving unit, a cutting unit and a net sleeve supplying unit; the supporting unit and the net sleeving unit are arranged oppositely, and the cutting unit is arranged in the lateral direction of the net sleeving unit;

the supporting unit is used for driving the fruits and vegetables to be subjected to net sleeving to be close to or far away from the net sleeving unit, the net sleeve supplying unit is used for storing net sleeves, the net sleeving unit can obtain the net sleeves from the net sleeve supplying unit and perform net sleeving on the fruits and vegetables on the supporting unit, and the cutting unit is used for cutting off the net sleeves on the fruits and vegetables subjected to net sleeving.

Furthermore, the net sleeving unit comprises a net sleeving rack, a mounting plate, a clamping and opening mechanism and a first driving mechanism;

the clamping and spreading mechanism is arranged on the mounting plate and has a contraction state and an expansion state; when the clamping and expanding mechanism is in a contraction state, the clamping and expanding mechanism is used for clamping the net sleeve; when the clamping and expanding mechanism is in an expanding state, the clamping and expanding mechanism is used for expanding the net sleeve;

the first driving mechanism is arranged on the netting rack, and the driving end of the first driving mechanism is connected with the mounting plate and used for driving the mounting plate and the clamping and opening mechanism to be close to or far away from the supporting unit.

Furthermore, the clamping and spreading mechanism comprises a plurality of driving motors, each driving motor is connected with a set of net claws, the mounting plate is provided with holes for the set of nets to pass through, and the driving motors are arranged at intervals along the circumferential direction of the holes;

the driving motors respectively drive the net sleeving claws to fold towards the net sleeving direction and are used for clamping the net sleeving; the driving motors respectively drive the net sleeving claws to be opened in the direction far away from the net sleeve, and the net sleeving claws are used for opening the net sleeve.

Furthermore, the net sleeving paw comprises a main rod and a support rod;

the one end of mobile jib with driving motor connects, branch is connected the mobile jib is kept away from the side direction of driving motor's one end, the extending direction of branch with the extending direction of mobile jib is the collineation not.

Further, the cutting unit comprises a cutting driving mechanism and a cutter; the movable end of the cutting driving mechanism is connected with the cutter and used for driving the cutter to stretch.

Further, the net sleeve supply unit comprises a support and a winding drum;

the support set up in the top of cover net unit, the reel rotationally connect in the support, the reel is used for coiling the net cover.

Further, the net sleeve supply unit further comprises a limiting structure, and the limiting structure is arranged at the joint of the winding drum and the support and used for limiting the reverse rotation of the winding drum.

Furthermore, the net sleeving device also comprises a fruit and vegetable conveying mechanism, wherein the fruit and vegetable conveying mechanism comprises a conveying belt, a driving wheel, a driven wheel and a tension wheel; the driving wheel and the driven wheel are connected through the conveying belt, and the tensioning wheel is arranged between the driving wheel and the driven wheel and used for tensioning the conveying belt;

the conveying belt is provided with a positioning hole, the supporting unit comprises a bracket and a supporting cylinder connected with the bracket, the bracket and the supporting cylinder are arranged below the conveying belt, and the supporting cylinder can drive the bracket to move towards the direction of the net sleeving unit after penetrating through the positioning hole.

Further, a clamping structure is arranged on a conveying path of the net sleeve between the net sleeve supply unit and the net sleeving unit and used for avoiding reverse movement of the net sleeve.

The fruit and vegetable netting system provided by the invention comprises the netting device.

The invention provides a net sleeving device, which comprises a supporting unit, a net sleeving unit, a cutting unit and a net sleeve supplying unit; the supporting unit and the net sleeving unit are arranged oppositely, and the cutting unit is arranged in the lateral direction of the net sleeving unit; the supporting unit is used for driving the fruits and vegetables to be subjected to net sleeving to be close to or far away from the net sleeving unit, the net sleeve supplying unit is used for storing net sleeves, the net sleeving unit can obtain the net sleeves from the net sleeve supplying unit and perform net sleeving on the fruits and vegetables on the supporting unit, and the cutting unit is used for cutting off the net sleeves on the fruits and vegetables subjected to net sleeving.

The invention provides a net sleeving device, which is suitable for spherical fruits and vegetables such as tomatoes, apples and the like. Compared with the existing manual net sleeving device, the net sleeving device provided by the invention saves manpower, improves the working efficiency, has high reliability and can continuously work.

The fruit and vegetable netting system provided by the invention comprises the netting device, so that the fruit and vegetable netting system also has the advantages of the netting device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a structural view of a netting apparatus according to an embodiment of the present invention;

FIG. 2 is a side view of a screen apparatus provided in accordance with an embodiment of the present invention;

fig. 3 is a structural view of a screen unit of the screen device according to the embodiment of the present invention;

fig. 4 is a bottom view of a net covering unit of the net covering device according to the embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a structural view of a clamping and spreading mechanism of a net covering unit of the net covering device according to the embodiment of the present invention;

FIG. 7 is a view showing a structure of a hitching claw of a hitching apparatus according to an embodiment of the present invention;

fig. 8 is a structural diagram of a fruit and vegetable conveying mechanism of a net sleeving device according to an embodiment of the present invention;

fig. 9 is a structural view of a cutting unit of the netting device according to an embodiment of the present invention.

Icon: 100-a lifting unit; 110-a bracket; 120-a lift cylinder; 200-a screen unit; 210-a netting frame; 211-strip-shaped through holes; 220-a mounting plate; 231-a drive motor; 232-netting paw; 2321-main rod; 2322-strut; 240 — a first drive mechanism; 250-a clamping structure; 251-a clamping plate; 300-a cutting unit; 210-a cutter; 320-a cutting drive mechanism; 400-a mesh supply unit; 410-a reel; 420-support; 500-fruit and vegetable transport mechanism; 510-a conveyor belt; 511-locating holes; 512-a baffle plate; 520-a drive wheel; 530-driven wheel; 540-tensioning wheel.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the screen covering device provided in this embodiment includes a supporting unit 100, a screen covering unit 200, a cutting unit 300, and a screen covering supplying unit 400; the supporting unit 100 is arranged opposite to the net covering unit 200, and the cutting unit 300 is arranged in the lateral direction of the net covering unit 200; the supporting unit 100 is used for driving the fruits and vegetables to be netted to be close to or far away from the net sleeving unit 200, the net sleeve supplying unit 400 is used for storing net sleeves, the net sleeving unit 200 can obtain the net sleeves from the net sleeve supplying unit 400 and perform net sleeving on the fruits and vegetables on the supporting unit 100, and the cutting unit 300 is used for cutting off the net sleeves on the fruits and vegetables after net sleeving.

The cover net device that this embodiment provided, be applicable to spherical fruit and vegetable such as tomato, apple, in the time of practical use, at first, place the fruit vegetables in holding up unit 100, hold up unit 100 drive and treat the fruit vegetables of cover net and remove towards cover net unit 200, cover net unit 200 acquires behind the net cover and overlaps the net cover on the fruit vegetables by net cover supply unit 400, cutting unit 300 cuts off the net cover on the fruit vegetables of taking the net cover, hold up unit 100 and move down, accomplish the cover net of a fruit vegetables, treat the fruit vegetables behind the cover net and take away the back, repeat above-mentioned operation, thereby realize serialization production. Compared with the existing manual net sleeving device, the net sleeving device provided by the invention saves manpower, improves the working efficiency, has high reliability and can continuously work.

Further, the netting unit 200 includes a netting frame 210, a mounting plate 220, a clamping and expanding mechanism, and a first driving mechanism 240; the clamping and opening mechanism is arranged on the mounting plate 220 and has a contraction state and an opening state; when the clamping and expanding mechanism is in a contraction state, the clamping and expanding mechanism is used for clamping the net sleeve; when the clamping and opening mechanism is in an opening state, the clamping and opening mechanism is used for opening the net sleeve; the first driving mechanism 240 is disposed on the netting frame 210, and a driving end of the first driving mechanism 240 is connected to the mounting plate 220, and is configured to drive the mounting plate 220 and the grip-stretching mechanism to approach or leave the supporting unit 100.

Specifically, the upper end of the netting frame 210 is provided with a bar-shaped through hole 211, the net sleeves conveyed by the net sleeve supply unit 400 pass through the bar-shaped through hole 211, the clamping and stretching mechanism is mounted on the mounting plate 220, the first driving mechanism 240 is connected with the mounting plate 220, and the mounting plate 220 and the clamping and stretching mechanism are driven to move relative to the netting frame 210 along the vertical direction. When the fruit and vegetable sleeving machine is in actual use, the supporting unit 100 works, firstly, the fruits and vegetables are supported and move upwards, after the fruits and vegetables reach a set position, the clamping and stretching mechanism is converted from an opening state to a contraction state to clamp the net sleeves extending from the strip-shaped through holes 211, at the moment, the first driving mechanism 240 drives the mounting plate 220 to move downwards, the clamping and stretching mechanism drives the net sleeves to pull downwards for a certain distance, then the clamping and stretching mechanism is converted from the contraction state to the opening state to stretch the net sleeves, the first driving mechanism 240 continues to drive the mounting plate 220 and the clamping and stretching mechanism to move downwards to the positions above the fruits and vegetables to sleeve the fruits and vegetables, the first driving mechanism 240 drives the mounting plate 220 and the clamping and stretching mechanism to move upwards, the clamping and stretching mechanism is separated from the net sleeves, the cutting unit 300 works to cut off the net sleeves above the fruits and vegetables, and the supporting unit 100 drives the fruits and vegetables to move downwards to an initial position, and complete fruit and vegetable sleeving.

In the embodiment, the pulling action and the opening action are simultaneously carried out by the net sleeving device, so that the working time is reduced, and the working efficiency is improved. The net sleeve is simultaneously pulled and spread by using the net sleeve gripper 232, so that the working efficiency is improved, and the structure is simplified. The fruit and vegetable can be supported at a certain height by the supporting unit 100, so that the wrapping effect of the net cover is improved.

As shown in fig. 1, 4 and 5, the clamping and spreading mechanism includes a plurality of driving motors 231, each driving motor 231 is connected with a set of net claws 232, the mounting plate 220 is provided with openings for the set of nets to pass through, and the plurality of driving motors 231 are arranged at intervals along the circumferential direction of the openings; the plurality of driving motors 231 are used for respectively driving the netting claws 232 to fold towards the netting direction so as to clamp the netting; the driving motors 231 are used for opening the net cover when the net cover claws 232 are respectively driven to open towards the direction far away from the net cover.

As shown in fig. 6, in the present embodiment, the number of the driving motors 231 and the netting claws 232 is four, and they correspond to each other. That is, each netting gripper 232 is connected with one driving motor 231, and under the driving of the four driving motors 231, the four netting grippers 232 can realize clamping action and opening action, the clamping action is used for clamping a net, and the four netting grippers 232 move towards the net under the driving of the driving motors 231, so that the net extending out of the strip-shaped through holes 211 is clamped; the stretching action is used for stretching the net cover, the four net covering claws 232 move towards the direction far away from the net cover under the driving of the driving motor 231, and the front ends of the net covering claws 232 are inserted into meshes of the net cover, so that the four net covering claws 232 can be stretched to be conveniently sleeved on the spherical fruits and vegetables when moving. Two of the four driving motors 231 and the netting claws 232 are in one group, wherein two netting claws 232 in one group are matched for clamping one side of the netting, and two netting claws 232 in the other group are matched for clamping the other side of the netting.

A clamping structure 250 is provided on a transport path of the net between the net supply unit 400 and the net unit 200 for preventing reverse movement of the net.

The clamping structure 250 is used for clamping the net sleeve, and the clamping force of the clamping structure 250 is adjustable so as to be suitable for different types of net sleeves. In this embodiment, the clamping structure 250 includes two clamping plates 251, the two clamping plates 251 are respectively disposed on two sides of the bar-shaped through hole 211, and are used for clamping the mesh sleeve extending from the lower end of the bar-shaped through hole 211, the two clamping plates 251 extend in the vertical direction, a gap is formed between the two clamping plates 251, and the gap between the two clamping plates 251 is adjustable. When the device works, the clamping structure 250 applies a certain clamping force to the net sleeve, so that the net sleeving claws 232 can be conveniently inserted into meshes of the net sleeve; after the net cover is used up, the clamping force of the clamping structure 250 is adjusted, so that the net cover can be conveniently replaced.

As shown in fig. 7, the hitching claw 232 includes a main bar 2321 and a branch bar 2322; one end of the main rod 2321 is connected to the driving motor 231, the supporting rod 2322 is connected to a lateral side of one end of the main rod 2321 away from the driving motor 231, and an extending direction of the supporting rod 2322 is not collinear with an extending direction of the main rod 2321.

Specifically, the supporting rod 2322 is located at the front end of the main rod 2321, and the supporting rod 2322 is inclined at a certain angle relative to the extending direction of the main rod 2321, a fork is formed between the two to facilitate insertion of meshes of the net cover, and when the net covering paw 232 moves downwards, the net cover can be pulled.

The cutting unit 300 includes a cutting driving mechanism 320 and a cutter 210; the movable end of the cutting driving mechanism 320 is connected to the cutter 210 for driving the cutter 210 to extend and retract.

In this embodiment, the cutting driving mechanism 320 includes an air cylinder, and the air cylinder may be fixed on the net covering rack 210, wherein the moving direction of the air cylinder is perpendicular to the moving direction of the first driving mechanism 240, in this embodiment, the air cylinder moves along the horizontal direction, the front end of the piston of the air cylinder is connected with the cutter 210, and after the clamping and spreading mechanism completes the net covering, the cutter 210 is used to cut off the net covering.

As shown in fig. 1 and 3, the mesh supply unit 400 includes a support 420 and a winding drum 410; the support 420 is disposed above the netting unit 200, and the winding drum 410 is rotatably coupled to the support 420, and the winding drum 410 is used to wind the netting.

Preferably, the net cover supply unit 400 further includes a limiting structure provided at the junction of the winding drum 410 and the support 420 for limiting the reverse rotation of the winding drum 410.

It will be appreciated that when the net is turned downward by the net sleeving unit 200, the rotation direction of the winding drum 410 is defined as forward rotation, and if the winding drum 410 can be rotated reversely, there is a high possibility that the net may be separated from the net sleeving unit 200 to affect the net sleeving, so that it is necessary to limit the reverse rotation of the winding drum 410 by a limit structure. The limiting structure can be in a structural form similar to a ratchet structure, and can also be a stop pin, the stop pin has a locking state and an unlocking state, the stop pin can be driven by a telescopic cylinder, when the net sleeve needs to be pulled downwards, the telescopic cylinder drives the stop pin to be in the unlocking state, and the winding drum 410 can rotate; when other actions are taken, the telescopic cylinder drives the stop pin to be in a locking state, so that the winding drum 410 is locked with the support 420.

As shown in fig. 8 and 9, the net covering device further includes a fruit and vegetable conveying mechanism 500, wherein the fruit and vegetable conveying mechanism 500 includes a conveying belt 510, a driving wheel 520, a driven wheel 530 and a tension wheel 540; the driving pulley 520 and the driven pulley 530 are connected by a belt 510, and a tension pulley 540 is disposed between the driving pulley 520 and the driven pulley 530 for tensioning the belt 510.

The conveying belt 510 is provided with a positioning hole 511, the supporting unit 100 comprises a bracket 110 and a supporting cylinder 120 connected with the bracket 110, the bracket 110 and the supporting cylinder 120 are both arranged below the conveying belt 510, and the supporting cylinder 120 can drive the bracket 110 to move towards the direction of the screen covering unit 200 after passing through the positioning hole 511.

Specifically, in the present embodiment, the lifting unit 100 includes a bracket 110 and a lifting cylinder 120, and the bracket 110 is lifted and lowered by the lifting cylinder 120. The bracket 110 is a cone-shaped tube, the big end is on the top, and the small end is on the bottom, which is convenient for lifting the fruits and vegetables. When the positioning holes 511 on the conveyor belt 510 correspond to the positions of the brackets 110, the positioning holes 511 are through holes, and the lifting cylinder 120 drives the brackets 110 to move upwards, so that the fruits and vegetables at the positioning holes 511 are lifted and then move to a certain height to the net covering unit 200, and the net covering effect is improved. Note that the projection area of the bracket 110 in the horizontal plane is smaller than the area of the positioning hole 511, so that the bracket 110 can pass through the positioning hole 511.

In this embodiment, the number of locating holes 511 is a plurality of, and a plurality of locating holes 511 set up along the length direction interval of conveyer belt 510, and in addition, be equipped with the baffle on the conveyer belt 510 between two adjacent locating holes 511, the baffle avoids the fruit vegetables to drop from conveyer belt 510 for supplementary fruit vegetables's transport.

The fruit and vegetable netting system provided by the embodiment comprises the netting device. Specifically, the fruit and vegetable net sleeving system can comprise a plurality of net sleeving devices, namely, the plurality of net sleeving devices are combined in parallel, so that the working efficiency is improved, and the complexity of the system is reduced. Therefore, the fruit and vegetable net sleeving system has the advantages of compact structure, high working efficiency, high reliability, continuous working, convenience in manufacturing and the like.

In summary, the screen covering device provided by the present invention includes a supporting unit 100, a screen covering unit 200, a cutting unit 300, and a screen covering supplying unit 400; the supporting unit 100 is arranged opposite to the net covering unit 200, and the cutting unit 300 is arranged in the lateral direction of the net covering unit 200; the supporting unit 100 is used for driving the fruits and vegetables to be netted to be close to or far away from the net sleeving unit 200, the net sleeve supplying unit 400 is used for storing net sleeves, the net sleeving unit 200 can obtain the net sleeves from the net sleeve supplying unit 400 and perform net sleeving on the fruits and vegetables on the supporting unit 100, and the cutting unit 300 is used for cutting off the net sleeves on the fruits and vegetables after net sleeving. The invention provides a net sleeving device, which is suitable for spherical fruits and vegetables such as tomatoes, apples and the like, and when the net sleeving device is in actual use, firstly, the fruits and vegetables are placed on a supporting unit 100, the supporting unit 100 drives the fruits and vegetables to be sleeved with a net to move towards a net sleeving unit 200, the net sleeving unit 200 acquires a net sleeve from a net sleeve supply unit 400 and then sleeves the net sleeve on the fruits and vegetables, a cutting unit 300 cuts off the net sleeve on the fruits and vegetables with the net sleeve, the supporting unit 100 moves downwards to complete the net sleeving of the fruits and vegetables, and the operation is repeated after the fruits and vegetables to be sleeved with the net are taken away, so that the continuous production is realized. Compared with the existing manual net sleeving device, the net sleeving device provided by the invention saves manpower, improves the working efficiency, has high reliability and can continuously work.

The fruit and vegetable netting system provided by the invention comprises the netting device, so that the fruit and vegetable netting system also has the advantages of the netting device.

The invention has the advantages that:

1. the invention can simultaneously carry out pulling action and opening action during the net sleeving, thereby improving the working efficiency.

2. The invention simultaneously pulls off and props up the net cover by using the net cover paw 232, thereby improving the working efficiency and simplifying the structure.

3. According to the fruit and vegetable conveying belt, the fruit and vegetable are supported away from the conveying belt by the supporting unit 100, so that the wrapping effect of the net cover is improved.

4. The invention has compact structure, can arrange a plurality of net sleeving devices for parallel combination use, and further improves the production efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.