阅读说明：本技术 一种用于葡萄包装的覆纸机 (A cover paper machine for grape packing ) 是由 丁配和 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种用于葡萄包装的覆纸机,包括工作台、覆纸机构、装订机构、裁剪机构和输送机构,所述工作台内部右侧固定连接有控制箱,所述工作台上端中部设有覆纸机构,所述覆纸机构左侧前端设有装订机构,所述装订机构的内侧设有裁剪机构,所述工作台上端外侧固定连接有支撑螺杆,所述支撑螺杆上部外侧通过螺纹固定连接有调高螺母,且支撑螺杆通过调高螺母与输送机构固定连接。本发明通过设有的覆纸机构、装订机构、裁剪机构和输送机构,可以实现葡萄覆纸包装的半自动化加工,提升了包装效率,节约了人力资源,同时可以根据单挂葡萄的尺寸调节出纸量,避免出现包装不严或者纸张浪费的现象。(The invention discloses a paper covering machine for grape packaging, which comprises a workbench, a paper covering mechanism, a binding mechanism, a cutting mechanism and a conveying mechanism, wherein a control box is fixedly connected to the right side in the workbench, the paper covering mechanism is arranged in the middle of the upper end of the workbench, the binding mechanism is arranged at the front end of the left side of the paper covering mechanism, the cutting mechanism is arranged on the inner side of the binding mechanism, a supporting screw rod is fixedly connected to the outer side of the upper end of the workbench, a height-adjusting nut is fixedly connected to the outer side of the upper portion of the supporting screw rod through threads, and the supporting screw rod is fixedly connected with the conveying mechanism through the height-adjusting nut. According to the invention, through the paper covering mechanism, the binding mechanism, the cutting mechanism and the conveying mechanism, semi-automatic processing of grape paper covering packaging can be realized, the packaging efficiency is improved, the manpower resource is saved, the paper output amount can be adjusted according to the size of a single-hanging grape, and the phenomena of untight packaging or paper waste are avoided.)

1. The utility model provides a cover paper machine for grape packing, includes workstation, covers paper mechanism, binds mechanism, cutting mechanism and conveying mechanism, its characterized in that: the right side in the workbench is fixedly connected with a control box, the middle part of the upper end of the workbench is provided with a paper covering mechanism, the front end of the left side of the paper covering mechanism is provided with a binding mechanism, the inner side of the binding mechanism is provided with a cutting mechanism, the outer side of the upper end of the workbench is fixedly connected with a supporting screw rod, the outer side of the upper part of the supporting screw rod is fixedly connected with a height-adjusting nut through threads, and the supporting screw rod is fixedly connected with a conveying mechanism through the height-adjusting nut; cover paper mechanism and include the pneumatic cylinder, cover cardboard and photoelectric switch, the pneumatic cylinder left end rotates with the workstation to be connected, the pneumatic cylinder right-hand member rotates with covering the cardboard to be connected, cover cardboard lower extreme middle part and rotate with the workstation to be connected, the quantity that covers the cardboard is two, cover the upside of cardboard symmetric distribution at the workstation, and two intermediate positions that cover the cardboard are equipped with photoelectric switch, photoelectric switch's lower extreme and workstation fixed connection.

2. A paper covering machine for grape packaging according to claim 1, characterized in that: the paper tube binding machine is characterized in that a paper tube shaft is fixedly connected to the middle of the outer end face of the paper covering plate, a paper tube is rotatably connected to the outer side of the paper tube shaft, a middle rotary tube is arranged on the left side of the paper tube, the end portion of the middle rotary tube is rotatably connected with the paper covering plate, two groups of binding mechanisms are arranged on the right side of the front end of the paper covering plate located on the front side of the upper end of the workbench, and a cutting mechanism is arranged in the middle of each group of binding mechanisms.

3. A paper covering machine for grape packaging according to claim 1, characterized in that: the right section of the paper covering plate is arc-shaped, the left section of the paper covering plate is rectangular, and a cutting groove is formed in the front end of the right part of the paper covering plate located on the front side.

4. A paper covering machine for grape packaging according to claim 1, characterized in that: the binding mechanism comprises a nail box, a fixing frame and a binding cylinder, the rear end of the nail box is fixedly connected with a paper covering plate, the end part of the nail box is fixedly connected with the fixing frame, the front end of the fixing frame is fixedly connected with the binding cylinder, the middle part of the nail box is provided with a spring, the end part of the spring is fixedly connected with a sliding block, the outer side of the sliding block is connected with the nail box in a sliding manner, a plurality of binding nails are symmetrically arranged on the middle part of the end face of the outer side of the sliding block, the end part of the binding cylinder is fixedly connected with a pushing head, and the outer side of the pushing head is connected with the nail box in a sliding manner.

5. A paper covering machine for grape packaging according to claim 1, characterized in that: the cutting mechanism comprises a mounting plate, a cutting cylinder and a cutting knife, the rear end of the mounting plate is fixedly connected with the paper covering plate, the cutting cylinder is fixedly connected to the middle of the front end of the mounting plate, and the cutting knife is fixedly connected to the rear end of the cutting cylinder.

6. A paper covering machine for grape packaging according to claim 1, characterized in that: conveying mechanism includes protection casing, motor and drive wheel, nut and supporting screw fixed connection are increaseed through the protection casing outside, bolt fixedly connected with motor is passed through in protection casing upper end left side, the terminal fixedly connected with drive wheel of motor spindle, the drive wheel outside rotates and is connected with the conveyer belt, conveyer belt outside end face fixedly connected with rubber pad, the inside right side of conveyer belt rotates and is connected with from the driving wheel, rotate with the protection casing from the driving wheel outside and be connected.

7. A paper covering machine for grape packaging according to claim 6, characterized in that: the utility model discloses a photoelectric switch, including protection casing, adjusting screw, conveyer belt, adjusting screw, regulating screw lower extreme rotation is connected with the take-up pulley, the take-up pulley outside is rotated with the conveyer belt and is connected, the adjusting groove has been seted up to protection casing upper end symmetry, and the adjusting screw inside of setting up of protection casing upper end is equipped with adjusting screw, the adjusting screw outside is through nut and protection casing fixed connection, the adjusting screw lower extreme rotates and is connected with the take-up pulley, the take-up pulley outside is rotated with the conveyer belt and is connected, the quantity of protection casing is two, and the protection casing symmetric distribution is at photoelectric switch's upside.

8. A paper covering machine for grape packaging according to any one of claims 1-7, characterized in that: the device comprises the following steps:

the method comprises the following steps: manually holding grape stalks of grapes to be covered with paper to enable the grapes to be in a suspended state, then putting the grape stalks into the right end of the conveying mechanism to enable the grape stalks to be located in the middle of the protective cover, driving the driving wheel to rotate by the operation of the motor, driving the conveying belt to rotate by the rotation of the driving wheel, clamping the grape stalks on the inner sides of the rubber pads on the two sides by the rotation of the conveying belt, and enabling the grapes to be transported from right to left at a constant speed in the suspended state;

step two: when the grapes move to the inner side of the paper covering plate at a constant speed, the hydraulic cylinder operates to push the paper covering plate to enable the paper covering plate to rotate around a rotation center, an opening at the right end of the paper covering plate is gradually closed to enclose the grapes inside, the left end of the paper covering plate is gradually opened from a closed state, meanwhile, with the opening at the left end of the paper covering plate, the packaging paper wound on the outer side of the paper cylinder is drawn out to form a paper wall in the advancing direction of the grapes, and with the transportation of the grapes, the grapes are in contact with the packaging paper and continue to move forwards, so that the packaging paper is wrapped on the outer side of the grapes;

step three: when the grapes completely leave the paper covering plate, the hydraulic cylinder resets to drive the paper covering plate to rotate to an initial state, an opening at the left end of the paper covering plate is gradually changed into a closed state from an opening state, meanwhile, the paper covering plate drives the right end of the packing paper to be gradually closed from an opening state, after the right end of the packing paper is completely closed, the binding cylinders of the two groups of binding mechanisms simultaneously operate, the binding cylinders operate to push the pushing heads to move inwards, the pushing heads push the binding nails positioned at the uppermost end and the lowermost end of the nail box out of the nail box, the binding nails penetrate through the double-layer packing paper and then are contacted with the paper covering plate positioned at the rear side, and the binding nails are deformed by the pushing force of the binding cylinders after being contacted with the paper covering plate, so that the double-layer packing paper is bound;

step three: after the wrapping paper is nailed, the cutting cylinder operates to push the cutting knife to slide in the cutting groove of the paper covering plate positioned on the front side, when the cutting knife moves to be in contact with the paper covering plate positioned on the rear side, the wrapping paper is cut off by the cutting knife, the left end and the right end opening of the wrapping paper on the outer side of the grape are both nailed, the grape covered with the paper is transported to the leftmost end of the protective cover by the conveyor belt, and when the grape is about to leave the conveying mechanism, the grape covered with the paper is manually caught to be subjected to code disc boxing.

Technical Field

The invention relates to the field of agricultural machinery, in particular to a paper covering machine for grape packaging.

Background

After the grapes are picked, a fruit grower can wrap a layer of protective paper on the outer side of the grapes, the grape packing machine can keep the grapes fresh after long-distance transportation, meanwhile, the grapes can be protected, damage of the grapes is reduced, before the grape packing machine, the covering paper of the grapes is mostly operated manually, the efficiency of manual paper covering is low, labor intensity of workers is high, processing time is long, freshness of the grapes is reduced, sales of the grapes are affected, meanwhile, the sizes of the paper used for manual paper covering are fixed, the paper cannot be selected according to the sizes of the packed grapes, waste of the paper or the phenomenon that the packing is not tight is easily caused, and therefore the paper covering machine for grape packing is provided for solving the problems.

Disclosure of Invention

The invention mainly aims to provide a paper covering machine for grape packaging, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a cover paper machine for grape packing, includes workstation, paper covering mechanism, binds the mechanism, cutting mechanism and conveying mechanism, the inside right side fixedly connected with control box of workstation, workstation upper end middle part is equipped with paper covering mechanism, paper covering mechanism left side front end is equipped with binds the mechanism, bind the inboard of mechanism and be equipped with cutting mechanism, workstation upper end outside fixedly connected with supporting screw, the nut that increases is connected with through screw thread fixedly in the supporting screw upper portion outside, and supporting screw is through heightening nut and conveying mechanism fixed connection.

Further, the mechanism that covers paper includes the pneumatic cylinder, covers cardboard and photoelectric switch, the pneumatic cylinder left end rotates with the workstation to be connected, and the pneumatic cylinder is used for covering cardboard pivoted power supply, the pneumatic cylinder right-hand member rotates with the cardboard to be connected, covers the cardboard and is used as the wrapping paper, tailors the installation carrier of mechanism and binding mechanism, it rotates with the workstation to cover cardboard lower extreme middle part to be connected, the quantity that covers the cardboard is two, cover the upside of cardboard symmetric distribution at the workstation, and two intermediate positions that cover the cardboard are equipped with photoelectric switch, and photoelectric switch is used for calculating the size of a dimension of grape outline, photoelectric switch's lower extreme and workstation fixed connection.

Furthermore, the outer end face middle part of the paper covering plate is fixedly connected with a paper tube shaft, the paper tube shaft is used for installing and fixing the paper tube, the outer side of the paper tube shaft is rotatably connected with the paper tube, the paper tube is used for installing packing paper, a middle rotary cylinder is arranged on the left side of the paper tube and is used for middle transition of the packing paper, the packing paper can be conveniently drawn out, the end part of the middle rotary cylinder is rotatably connected with the paper covering plate, two groups of binding mechanisms are arranged on the right side of the front end of the paper covering plate on the front side of the upper end of the workbench and are used for binding the end part of the packing paper, and a cutting mechanism is arranged in the middle of each group of binding mechanisms and is used for cutting the packing paper.

Furthermore, the right section of the paper covering plate is arc-shaped, the left section of the paper covering plate is rectangular, and the front end of the right part of the paper covering plate positioned on the front side is provided with a cutting groove.

Further, the binding mechanism comprises a nail box, a fixing frame and a binding cylinder, the rear end of the nail box is fixedly connected with the paper covering plate, the nail box is used for installing binding nails, the end part of the nail box is fixedly connected with the fixing frame, the front end of the fixing frame is fixedly connected with the binding cylinder, the middle part of the nail box is provided with a spring, the end part of the spring is fixedly connected with a sliding block, the outer side of the sliding block is connected with the nail box in a sliding manner, a plurality of binding nails are symmetrically arranged in the middle of the outer side end face of the sliding block, the end part of the binding cylinder is fixedly connected with a pushing head, the outer side of the pushing head is connected with the nail box in a sliding manner, the binding cylinder runs to push the pushing head to move inwards, the pushing head pushes out the nail box from the binding nails positioned at the uppermost end and the lowermost end of the nail box, the binding nails penetrate through double-layer packaging paper and are contacted with the paper covering plate positioned at the rear side, and when the binding nails are contacted with the paper covering plate, the binding cylinders generate deformation, thereby stapling the double-layered wrapper.

Further, tailor the mechanism including the mounting panel, tailor the cylinder and tailor the sword, mounting panel rear end and cover cardboard fixed connection, mounting panel front end middle part fixedly connected with tailor the cylinder, tailor the cylinder and be used as the drive of tailorring the sword, tailor cylinder rear end fixedly connected with and tailor the sword.

Further, conveying mechanism includes protection casing, motor and drive wheel, the protection casing outside is through increaseing nut and supporting screw fixed connection, and the protection casing is as the installation carrier of conveyer belt, bolt fixedly connected with motor is passed through in protection casing upper end left side, and the motor is as conveyer belt pivoted power supply, the terminal fixedly connected with drive wheel of motor spindle, the drive wheel outside is rotated and is connected with the conveyer belt, conveyer belt outside end face fixedly connected with rubber pad, the rubber pad is used as the clamp of grape stalk and fixes, can protect the grape stalk simultaneously, prevents that the grape stalk from receiving the damage in transportation process, the inside right side of conveyer belt is rotated and is connected with from the driving wheel, rotate from the driving wheel outside and be connected with the protection casing, the drive wheel and follow installation and the power transmission of driving wheel as the conveyer belt.

Furthermore, the adjustment tank has been seted up to protection casing upper end symmetry, and the adjustment tank is used as adjusting screw's installation and regulation, and the inside adjusting screw that is equipped with of adjustment tank that the protection casing upper end was seted up, and adjusting screw is fixed as the installation of take-up pulley, nut and protection casing fixed connection are passed through to the adjusting screw outside, the adjusting screw lower extreme rotates and is connected with the take-up pulley, the take-up pulley outside rotates with the conveyer belt to be connected, can adjust the position of take-up pulley through adjusting screw, can adjust the degree of opening of conveyer belt, and then can adjust the size of the clamp force of grape stalk, the quantity of protection casing is two, and the protection casing symmetric distribution is at photoelectric switch's upside.

Further, the device comprises the following steps:

the method comprises the following steps: manually holding grape stalks of grapes to be coated with paper to enable the grapes to be in a suspended state, then putting the grape stalks into the right end of the conveying mechanism to enable the grape stalks to be located in the middle of the protective cover, keeping the maximum cross section size of the single-hanging grapes to be optimal when the maximum cross section size of the single-hanging grapes is parallel to the running direction of the conveying belt, enabling the motor to run to drive the driving wheel to rotate, enabling the driving wheel to rotate to drive the conveying belt to rotate, enabling the grape stalks to be clamped on the inner sides of the rubber pads on the two sides through the rotation of the conveying belt, and enabling the grapes to be transported from right to left in a suspended state at a constant speed;

step two: when the grapes move to the inner side of the paper covering plate at a constant speed, the hydraulic cylinder operates to push the paper covering plate to enable the paper covering plate to rotate around a rotation center, an opening at the right end of the paper covering plate is gradually closed to enclose the grapes inside, the left end of the paper covering plate is gradually opened from a closed state, meanwhile, with the opening at the left end of the paper covering plate, the packaging paper wound on the outer side of the paper cylinder is drawn out to form a paper wall in the advancing direction of the grapes, and with the transportation of the grapes, the grapes are in contact with the packaging paper and continue to move forwards, so that the packaging paper is wrapped on the outer side of the grapes;

step three: when the grapes completely leave the paper covering plate, the hydraulic cylinder resets to drive the paper covering plate to rotate to an initial state, an opening at the left end of the paper covering plate is gradually changed into a closed state from an opening state, meanwhile, the paper covering plate drives the right end of the packing paper to be gradually closed from an opening state, after the right end of the packing paper is completely closed, the binding cylinders of the two groups of binding mechanisms simultaneously operate, the binding cylinders operate to push the pushing heads to move inwards, the pushing heads push the binding nails positioned at the uppermost end and the lowermost end of the nail box out of the nail box, the binding nails penetrate through the double-layer packing paper and then are contacted with the paper covering plate positioned at the rear side, and the binding nails are deformed by the pushing force of the binding cylinders after being contacted with the paper covering plate, so that the double-layer packing paper is bound;

step three: after the wrapping paper is nailed, the cutting cylinder operates to push the cutting knife to slide in the cutting groove of the paper covering plate positioned on the front side, when the cutting knife moves to be in contact with the paper covering plate positioned on the rear side, the wrapping paper is cut off by the cutting knife, the left end and the right end opening of the wrapping paper on the outer side of the grape are both nailed, the grape covered with the paper is transported to the leftmost end of the protective cover by the conveyor belt, and when the grape is about to leave the conveying mechanism, the grape covered with the paper is manually caught to be subjected to code disc boxing.

Compared with the prior art, the grape vine cutting machine has the advantages that through the hydraulic cylinder, the paper covering plate, the binding mechanism and the cutting cylinder, when grapes move to the inner side of the paper covering plate at a constant speed, the hydraulic cylinder operates to push the paper covering plate to enable the paper covering plate to rotate around a rotation center, the right end opening of the paper covering plate is gradually closed to enclose the grapes inside, the left end of the paper covering plate is gradually opened from a closed state, meanwhile, along with the opening of the left end of the paper covering plate, the wrapping paper wound on the outer side of the paper cylinder is drawn out to form a paper wall in the advancing direction of the grapes, along with the transportation of the grapes, the grapes are in contact with the wrapping paper and continue to advance to enable the wrapping paper to wrap the outer side of the grapes, after the grapes completely leave the paper covering plate, the hydraulic cylinder resets to drive the paper covering plate to rotate to an initial state, the left end opening of the paper covering plate is gradually changed into a closed state, and meanwhile, the paper covering plate drives the right end of the wrapping paper covering plate to be gradually closed from an open state, when the right end of the packing paper is completely closed, the binding cylinders of the two groups of binding mechanisms operate simultaneously, the binding cylinders operate to push the pushing heads to move inwards, the pushing heads push the binding nails positioned at the uppermost end and the lowermost end of the nail box out of the nail box, the binding nails penetrate through the double-layer packing paper and then contact with the paper covering plate positioned at the rear side, the binding nails are deformed by the thrust of the binding cylinders after contacting with the paper covering plate, so that the double-layer packing paper is bound, after the packing paper is bound, the cutting cylinders operate to push the cutting knife to slide in the cutting groove of the paper covering plate positioned at the front side, when the cutting knife moves to contact with the paper covering plate positioned at the rear side, the packing paper is cut by the cutting knife, openings at the left end and the right end of the packing paper outside the grape are bound, the grape after the paper covering is conveyed to the leftmost end of the protective cover by the conveying belt, when the grape is about to leave the conveying mechanism, the grape covered with the paper is manually connected to carry out of the coded tray, therefore, semi-automatic processing of the grape paper-covered package can be realized, the packaging efficiency is improved, and the manpower resource is saved.

Compared with the prior art, the invention has the advantages that through the photoelectric switch, when the grapes move to the inner side of the paper covering plate at a constant speed, the left end of the grapes triggers the photoelectric switch, the right end of the grapes moves to the left side of the photoelectric switch along with the transportation of the grapes, the photoelectric switch restores to the initial state, the control box can calculate the size of the outer contour of the grapes through the triggering time of the photoelectric switch due to the fact that the conveying speed of the grapes is a fixed value, the control box can control the operation time of the hydraulic cylinder, the binding cylinder and the cutting cylinder through the calculated size data, the movement track of the paper covering plate can be controlled, the paper output amount can be adjusted according to the size of the single-hanging grapes, and the phenomenon of untight packaging or paper waste is avoided.

Compared with the prior art, the invention manually holds the grape stalks of the grapes to be coated with paper through the arranged conveying mechanism to enable the grapes to be in a suspended state, then the grape stalks are put in from the right end of the conveying mechanism to enable the grape stalks to be positioned in the middle position of the protective cover, the motor operates to drive the driving wheel to rotate, the driving wheel rotates to drive the conveying belt to rotate, the grape stalks can be clamped on the inner sides of the rubber pads on the two sides through the rotation of the conveying belt, the grapes are transported from right to left at a constant speed in the suspended state, the grapes can be prevented from being extruded by adopting the suspended conveying mode, the damage rate in the grape conveying process is reduced, the installation position of the tension wheel can be adjusted through the adjusting screw rod, the tension degree of the conveying belt can be adjusted, the clamping force of the grape stalks can be adjusted, the automatic transportation of the grapes can be realized, and the damage of the grape stalks in the transportation process can be prevented, the state and freshness of the grapes during picking are kept to the maximum extent.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the technical description of the present invention will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic overall structure diagram of a paper covering machine for grape packaging.

Fig. 2 is a schematic structural diagram of a paper covering mechanism of the paper covering machine for grape packaging.

Fig. 3 is a schematic structural diagram of a binding mechanism of a paper covering machine for grape packaging.

Fig. 4 is a schematic view of the installation structure of the nail box of the paper covering machine for grape packaging.

Fig. 5 is a schematic structural diagram of a cutting mechanism of the paper covering machine for grape packaging.

Fig. 6 is a schematic structural diagram of a conveying mechanism of a paper covering machine for grape packaging.

Fig. 7 is a schematic view of the installation structure of a conveying belt of a paper covering machine for grape packaging.

In the figure: 1. a work table; 2. a paper covering mechanism; 201. a hydraulic cylinder; 202. covering a paper board; 203. a photoelectric switch; 204. a paper cartridge shaft; 205. a paper tube; 206. a middle rotating cylinder; 3. a binding mechanism; 301. a nail box; 302. a fixed mount; 303. a binding cylinder; 304. a spring; 305. a slider; 306. stapling nails; 307. pushing the head; 4. a cutting mechanism; 401. mounting a plate; 402. a cutting cylinder; 403. a cutting knife; 5. a conveying mechanism; 501. a protective cover; 502. a motor; 503. a drive wheel; 504. a conveyor belt; 505. a rubber pad; 506. a driven wheel; 507. adjusting the screw rod; 508. a tension wheel; 6. a control box; 7. a support screw; 8. and (5) heightening the nut.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the invention.

Example 1

As shown in fig. 1-7, a paper covering machine for grape packaging comprises a workbench (1), a paper covering mechanism (2), a binding mechanism (3), a cutting mechanism (4) and a conveying mechanism (5), wherein a control box (6) is fixedly connected to the right side inside the workbench (1), the paper covering mechanism (2) is arranged in the middle of the upper end of the workbench (1), the binding mechanism (4) is arranged at the front end of the left side of the paper covering mechanism (2), the cutting mechanism (3) is arranged on the inner side of the binding mechanism (4), a supporting screw (7) is fixedly connected to the outer side of the upper end of the workbench (1), a height-adjusting nut (8) is fixedly connected to the outer side of the upper portion of the supporting screw (7) through threads, and the supporting screw (7) is fixedly connected with the conveying mechanism (5) through the height-adjusting nut (8).

The paper covering mechanism (2) comprises a hydraulic cylinder (201), paper covering plates (202) and photoelectric switches (203), the left end of the hydraulic cylinder (201) is rotatably connected with the workbench (1), the right end of the hydraulic cylinder (201) is rotatably connected with the paper covering plates (202), the middle parts of the lower ends of the paper covering plates (202) are rotatably connected with the workbench (1), the paper covering plates (202) are two in number, the paper covering plates (202) are symmetrically distributed on the upper side of the workbench (1), the photoelectric switches (203) are arranged at the middle positions of the two paper covering plates (202), and the lower ends of the photoelectric switches (203) are fixedly connected with the workbench (1).

Cover outside terminal surface middle part fixedly connected with fiber container axle (204) of cardboard (202), fiber container axle (204) outside is rotated and is connected with fiber container (205), and fiber container (205) left side is equipped with well rotary drum (206), and the tip of well rotary drum (206) rotates with covering cardboard (202) and is connected, and the front end right side that lies in covering cardboard (202) of workstation (1) upper end front side is equipped with two sets of binding mechanism (3), and the intermediate position of two sets of binding mechanism (3) is equipped with cutting mechanism (4).

The right section of the paper covering plate (202) is arranged in an arc shape, the left section of the paper covering plate (202) is arranged in a rectangle shape, and the front end of the right part of the paper covering plate (202) positioned at the front side is provided with a cutting groove.

Binding mechanism (3) are including nail box (301), mount (302) and binding cylinder (303), nail box (301) rear end and covering cardboard (202) fixed connection, the tip fixedly connected with mount (302) of nail box (301), the front end fixedly connected with of mount (302) binds cylinder (303), the middle part of nail box (301) is equipped with spring (304), the tip fixedly connected with slider (305) of spring (304), the outside and the nail box (301) sliding connection of slider (305), the outside terminal surface middle part symmetry of slider (305) is equipped with a plurality of and binds nail (306), binding cylinder (303) tip fixedly connected with pushes away head (307), push away the outside and nail box (304) sliding connection of head (307).

The cutting mechanism (4) comprises a mounting plate (401), a cutting cylinder (402) and a cutting knife (403), the rear end of the mounting plate (401) is fixedly connected with the paper covering plate (202), the middle part of the front end of the mounting plate (401) is fixedly connected with the cutting cylinder (402), and the rear end of the cutting cylinder (402) is fixedly connected with the cutting knife (403).

Conveying mechanism (5) are including protection casing (501), motor (502) and drive wheel (503), protection casing (501) outside is through increaseing nut (8) and supporting screw (7) fixed connection, protection casing (501) upper end left side is through bolt fixedly connected with motor (502), terminal fixedly connected with drive wheel (503) of motor (502) main shaft, drive wheel (503) outside is rotated and is connected with conveyer belt (504), conveyer belt (504) outside terminal surface fixedly connected with rubber pad (505), the inside right side of conveyer belt (504) is rotated and is connected with from driving wheel (506), from driving wheel (506) outside and protection casing (501) rotate and be connected.

The adjustment tank has been seted up to protection casing (501) upper end symmetry, and the inside adjusting screw (507) that is equipped with of adjustment tank that protection casing (501) upper end was seted up, nut and protection casing (501) fixed connection are passed through to adjusting screw (507) outside, adjusting screw (507) lower extreme rotates and is connected with take-up pulley (508), take-up pulley (508) outside rotates with conveyer belt (504) to be connected, the quantity of protection casing (501) is two, and protection casing (501) symmetric distribution is at the upside of photoelectric switch (203).

By adopting the technical scheme: when the grapes with larger overall dimension in the same batch are covered with paper, the grape stalks of the grapes to be covered with paper are manually held to enable the grapes to be in a suspended state, then the grape stalks are put into the middle position of the protective cover (501) from the right end of the conveying mechanism (5), the grape stalks are positioned in the middle position of the protective cover (501), and the best situation is achieved when the maximum cross section dimension of the single-hanging grapes is parallel to the running direction of the conveyer belt (504), the motor (502) runs to drive the driving wheel (503) to rotate, the driving wheel (503) rotates to drive the conveyer belt (504) to rotate, the conveyer belt (504) rotates to clamp the grape stalks on the inner sides of the rubber pads (505) on the two sides, the grapes are transported from right to left in a suspended state at a constant speed, when the grapes move to the inner side of the paper covering plate (202) at a constant speed, the hydraulic cylinder (201) runs to push the paper covering plate (202) to rotate around the rotating center, the right end opening of the paper covering plate (202) is gradually closed and the grapes are enclosed inside, the left end of the paper covering plate (202) is gradually opened from a closed state, meanwhile, with the opening of the left end of the paper covering plate (202), the wrapping paper wound on the outer side of the paper cylinder (205) is drawn out and forms a paper wall in the advancing direction of the grapes, with the transportation of the grapes, the grapes are in contact with the wrapping paper and continue to advance, the wrapping paper is wrapped on the outer side of the grapes, the time for the grapes to pass through the photoelectric switch (203) is longer as the outline size of the grapes is larger, the time for the photoelectric switch (203) to be triggered is longer, the time for the hydraulic cylinder (201) to be in an extension state can be prolonged after the control box (6) receives the triggering time of the photoelectric switch (203), the action for pulling the wrapping paper after the grapes hit the paper wall is prolonged, more wrapping paper can be drawn out of the paper cylinder (205), and after the grapes completely leave the paper covering plate (202), the hydraulic cylinder (201) is reset to drive the paper covering plate (202) to rotate to an initial state, the opening at the left end of the paper covering plate (202) is gradually changed into a closed state from an open state, meanwhile, the paper covering plate (202) drives the right end of the wrapping paper to be gradually closed from the open state, after the right end of the wrapping paper is completely closed, the binding cylinders (303) of the two groups of binding mechanisms (301) simultaneously operate, the binding cylinders (303) operate to push pushing heads (307) to move inwards, the pushing heads (307) push the binding nails (306) positioned at the uppermost end and the lowermost end of the nail box (304) out of the nail box (304), the binding nails (306) penetrate through the double-layer wrapping paper and then are contacted with the paper covering plate (202) positioned at the rear side, after the binding nails (306) are contacted with the paper covering plate (202), the binding nails are deformed by the pushing force of the binding cylinders (303), so that the double-layer wrapping paper is stapled, after the wrapping paper is stapled, the air cylinders (402) operate to push a cutting knife (403) to slide in a cutting groove of the paper covering plate (202) positioned at the front side, when the cutting knife (403) moves to be in contact with the paper covering plate (202) on the rear side, the wrapping paper is cut off by the cutting knife (403), openings at the left end and the right end of the wrapping paper on the outer side of the grape are nailed, the grape after paper covering is conveyed to the leftmost end of the protective cover (501) by the conveying belt (504), and when the grape is about to leave the conveying mechanism (5), the grape after paper covering is manually connected to carry out code disc boxing.

Example 2

As shown in fig. 1-7, a paper covering machine for grape packaging comprises a workbench (1), a paper covering mechanism (2), a binding mechanism (3), a cutting mechanism (4) and a conveying mechanism (5), wherein a control box (6) is fixedly connected to the right side inside the workbench (1), the paper covering mechanism (2) is arranged in the middle of the upper end of the workbench (1), the binding mechanism (4) is arranged at the front end of the left side of the paper covering mechanism (2), the cutting mechanism (3) is arranged on the inner side of the binding mechanism (4), a supporting screw (7) is fixedly connected to the outer side of the upper end of the workbench (1), a height-adjusting nut (8) is fixedly connected to the outer side of the upper portion of the supporting screw (7) through threads, and the supporting screw (7) is fixedly connected with the conveying mechanism (5) through the height-adjusting nut (8).

The paper covering mechanism (2) comprises a hydraulic cylinder (201), paper covering plates (202) and photoelectric switches (203), the left end of the hydraulic cylinder (201) is rotatably connected with the workbench (1), the right end of the hydraulic cylinder (201) is rotatably connected with the paper covering plates (202), the middle parts of the lower ends of the paper covering plates (202) are rotatably connected with the workbench (1), the paper covering plates (202) are two in number, the paper covering plates (202) are symmetrically distributed on the upper side of the workbench (1), the photoelectric switches (203) are arranged at the middle positions of the two paper covering plates (202), and the lower ends of the photoelectric switches (203) are fixedly connected with the workbench (1).

Cover outside terminal surface middle part fixedly connected with fiber container axle (204) of cardboard (202), fiber container axle (204) outside is rotated and is connected with fiber container (205), and fiber container (205) left side is equipped with well rotary drum (206), and the tip of well rotary drum (206) rotates with covering cardboard (202) and is connected, and the front end right side that lies in covering cardboard (202) of workstation (1) upper end front side is equipped with two sets of binding mechanism (3), and the intermediate position of two sets of binding mechanism (3) is equipped with cutting mechanism (4).

The right section of the paper covering plate (202) is arranged in an arc shape, the left section of the paper covering plate (202) is arranged in a rectangle shape, and the front end of the right part of the paper covering plate (202) positioned at the front side is provided with a cutting groove.

Binding mechanism (3) are including nail box (301), mount (302) and binding cylinder (303), nail box (301) rear end and covering cardboard (202) fixed connection, the tip fixedly connected with mount (302) of nail box (301), the front end fixedly connected with of mount (302) binds cylinder (303), the middle part of nail box (301) is equipped with spring (304), the tip fixedly connected with slider (305) of spring (304), the outside and the nail box (301) sliding connection of slider (305), the outside terminal surface middle part symmetry of slider (305) is equipped with a plurality of and binds nail (306), binding cylinder (303) tip fixedly connected with pushes away head (307), push away the outside and nail box (304) sliding connection of head (307).

The cutting mechanism (4) comprises a mounting plate (401), a cutting cylinder (402) and a cutting knife (403), the rear end of the mounting plate (401) is fixedly connected with the paper covering plate (202), the middle part of the front end of the mounting plate (401) is fixedly connected with the cutting cylinder (402), and the rear end of the cutting cylinder (402) is fixedly connected with the cutting knife (403).

Conveying mechanism (5) are including protection casing (501), motor (502) and drive wheel (503), protection casing (501) outside is through increaseing nut (8) and supporting screw (7) fixed connection, protection casing (501) upper end left side is through bolt fixedly connected with motor (502), terminal fixedly connected with drive wheel (503) of motor (502) main shaft, drive wheel (503) outside is rotated and is connected with conveyer belt (504), conveyer belt (504) outside terminal surface fixedly connected with rubber pad (505), the inside right side of conveyer belt (504) is rotated and is connected with from driving wheel (506), from driving wheel (506) outside and protection casing (501) rotate and be connected.

The adjustment tank has been seted up to protection casing (501) upper end symmetry, and the inside adjusting screw (507) that is equipped with of adjustment tank that protection casing (501) upper end was seted up, nut and protection casing (501) fixed connection are passed through to adjusting screw (507) outside, adjusting screw (507) lower extreme rotates and is connected with take-up pulley (508), take-up pulley (508) outside rotates with conveyer belt (504) to be connected, the quantity of protection casing (501) is two, and protection casing (501) symmetric distribution is at the upside of photoelectric switch (203).

By adopting the technical scheme: when the grapes with smaller overall dimension in the same batch are covered with paper, grape stalks of the grapes to be covered with paper are manually held to enable the grapes to be in a suspended state, then the grape stalks are put into the middle position of the protective cover (501) from the right end of the conveying mechanism (5), the grape stalks are positioned in the middle position of the protective cover (501), and the best situation is achieved when the maximum dimension of the section of a single-hanging grape is parallel to the running direction of the conveyer belt (504), the motor (502) runs to drive the driving wheel (503) to rotate, the driving wheel (503) rotates to drive the conveyer belt (504) to rotate, the conveyer belt (504) rotates to clamp the grape stalks on the inner sides of the rubber pads (505) on the two sides, the grapes are transported from right to left in a suspended state at a constant speed, when the grapes move to the inner side of the paper covering plate (202) at a constant speed, the hydraulic cylinder (201) runs to push the paper covering plate (202) to rotate around the rotating center, the right end opening of the paper covering plate (202) is gradually closed and the grapes are enclosed inside, the left end of the paper covering plate (202) is gradually opened from a closed state, meanwhile, as the left end of the paper covering plate (202) is opened, the wrapping paper wound on the outer side of the paper cylinder (205) is drawn out and forms a paper wall in the traveling direction of the grapes, as the grapes are transported, the grapes are in contact with the wrapping paper and continue to advance, and the wrapping paper is wrapped on the outer side of the grapes, as the outline size of the grapes is smaller, the shorter the time for the grapes to pass through the photoelectric switch (203), the shorter the time for the photoelectric switch (203) to be triggered, the shorter the time for the control box (6) to receive the triggering time of the photoelectric switch (203) and then the time for the hydraulic cylinder (201) to be in an extension state, so the time for the grapes to push the wrapping paper after hitting the paper wall is kept is shortened, less wrapping paper is drawn out of the paper cylinder (205), and after the grapes completely leave the paper covering plate (202), the hydraulic cylinder (201) is reset to drive the paper covering plate (202) to rotate to an initial state, the opening at the left end of the paper covering plate (202) is gradually changed into a closed state from an open state, meanwhile, the paper covering plate (202) drives the right end of the wrapping paper to be gradually closed from the open state, after the right end of the wrapping paper is completely closed, the binding cylinders (303) of the two groups of binding mechanisms (301) simultaneously operate, the binding cylinders (303) operate to push pushing heads (307) to move inwards, the pushing heads (307) push the binding nails (306) positioned at the uppermost end and the lowermost end of the nail box (304) out of the nail box (304), the binding nails (306) penetrate through the double-layer wrapping paper and then are contacted with the paper covering plate (202) positioned at the rear side, after the binding nails (306) are contacted with the paper covering plate (202), the binding nails are deformed by the pushing force of the binding cylinders (303), so that the double-layer wrapping paper is stapled, after the wrapping paper is stapled, the air cylinders (402) operate to push a cutting knife (403) to slide in a cutting groove of the paper covering plate (202) positioned at the front side, when the cutting knife (403) moves to be in contact with the paper covering plate (202) on the rear side, the wrapping paper is cut off by the cutting knife (403), openings at the left end and the right end of the wrapping paper on the outer side of the grape are nailed, the grape after paper covering is conveyed to the leftmost end of the protective cover (501) by the conveying belt (504), and when the grape is about to leave the conveying mechanism (5), the grape after paper covering is manually connected to carry out code disc boxing.

The invention is to be noted that, the invention is a paper covering machine for packaging grapes, when in use, a grape stalk of a grape to be covered is manually held to enable the grape to be in a suspended state, then the grape stalk is put in from the right end of a conveying mechanism (5), the grape stalk is positioned in the middle of a protective cover (501), the maximum size of the section of a single-hanging grape is kept to be parallel to the running direction of a conveying belt (504), a motor (502) runs to drive a driving wheel (503) to rotate, the driving wheel (503) rotates to drive the conveying belt (504) to rotate, the conveying belt (504) rotates to clamp the grape stalk on the inner sides of rubber pads (505) on two sides, the grape is transported from right to left in a suspended state at a constant speed, when the grape moves to the inner side of a paper covering plate (202) at a constant speed, a hydraulic cylinder (201) runs to push the paper covering plate (202), and the paper covering plate (202) rotates around a rotating center, the opening at the right end of the paper covering plate (202) is gradually closed and surrounds the grapes inside, the left end of the paper covering plate (202) is gradually opened from a closed state, meanwhile, along with the opening at the left end of the paper covering plate (202), the wrapping paper wound on the outer side of the paper cylinder (205) is drawn out and forms a paper wall in the advancing direction of the grapes, along with the transportation of the grapes, the grapes are in contact with the wrapping paper and continue to advance, the wrapping paper is wrapped on the outer side of the grapes, after the grapes completely leave the paper covering plate (202), the hydraulic cylinder (201) is reset to drive the paper covering plate (202) to rotate to an initial state, the opening at the left end of the paper covering plate (202) is gradually changed into a closed state from an open state, meanwhile, the right end of the wrapping paper driven by the paper covering plate (202) is gradually closed from an open state, after the right end of the wrapping paper is completely closed, the two groups of binding cylinders (303) of the binding mechanisms (301) simultaneously operate, and the binding cylinders (303) operate to push the pushing head (307) to move towards the inner side, the pushing head (307) pushes the binding nails (306) positioned at the uppermost end and the lowermost end of the nail box (304) out of the nail box (304), the binding nails (306) penetrate through the double-layer wrapping paper and are contacted with the paper covering plate (202) positioned at the rear side, the binding nails (306) are deformed by the pushing force of the binding cylinder (303) after being contacted with the paper covering plate (202), so that the double-layer wrapping paper is stapled, after the wrapping paper is stapled, the cutting cylinder (402) operates to push the cutting knife (403) to slide in the cutting groove of the paper covering plate (202) positioned at the front side, when the cutting knife (403) moves to be contacted with the paper covering plate (202) positioned at the rear side, the wrapping paper is cut by the cutting knife (403), at the moment, the left end and the right end openings of the wrapping paper outside the grape are stapled, the grape after the paper covering is conveyed to the leftmost end of the protective cover (501) by the conveying belt (504), when the grape is about to leave the conveying mechanism (5), manually receiving the grapes covered with the paper for stacking and boxing.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.