CN110815944A - A heat-sealable three-dimensional paper bag making machine - Google Patents

Abstract

A heat-sealable three-dimensional paper bag making machine, which comprises a frame, one end of the frame is provided with an outer paper roll, and the outer layer paper on the outer paper roll is conveyed to the film application under the guidance of several guide rollers The film-applying mechanism is provided with a heat-sealing film for sealing at the sealing position of each paper bag, and the lower station of the film-applying mechanism is provided with a cutting roller, and the cutting roller is used to cut out the paper for the fruit stem to pass through. The lower station of the cutting roller is provided with an upper rubber roller, and the lower station of the upper rubber roller is provided with a three-dimensional forming mechanism that squeezes the paper into a three-dimensional cavity, and the paper is passed through the three-dimensional forming mechanism. The paper bag is pressed to the top and bottom and overlapped, and the lower station of the pressing roller is provided with a bag cutting roller for cutting the continuous paper bag into a single paper bag. The three-dimensional paper bag making machine of the present invention can produce heat-sealing single-layer or double-layer paper bags, The folding precision is high, and the produced paper bag is suitable for use on an automatic bagging machine, which has a good market promotion prospect.

Description

A heat-sealable three-dimensional paper bag making machine

technical field

The invention relates to the technical field of young fruit bagging equipment, in particular to a three-dimensional paper bag making machine.

Background technique

The main purpose of bagging young fruits is to prevent the fruits from being attacked by birds, pests and wind, rain and sun damage during the growth process. Scratched by branches while growing. Bagging can produce a local greenhouse effect, keep the fruit at proper humidity and temperature, improve the sweetness of the fruit, improve the luster of the fruit, increase the yield of the fruit, and shorten its growth period. At the same time, because there is no need to apply pesticides during the growth process, the fruits are of high quality and pollution-free, reaching international standards.

With the continuous improvement of technology, three-dimensional paper bags are better than plastic bags. The three-dimensional paper bag means that one end of the cover bag is closed and the other end is opened. After the paper bag is opened, the inner cavity is basically a cubic structure. Fold the two sides inward to make the front and back sides of the paper bag overlap. Small for use with bagging machines. The side edges of the three-dimensional paper bags produced by the prior art are not precise enough, and the paper bags are not suitable for heat sealing.

SUMMARY OF THE INVENTION

Therefore, the technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies in the existing three-dimensional paper bag reproduction process, and further provide a three-dimensional paper bag making machine that can realize automatic control, high folding accuracy, and can realize heat sealing.

To achieve the above object, the present invention adopts the following technical solutions:

A heat-sealable three-dimensional paper bag bag making machine, comprising a frame, one end of the frame is provided with an outer paper roll, an outer paper roll is sleeved on the outer paper roll, and an outer layer on the outer paper roll is provided. The paper is conveyed to the film application mechanism under the guidance of several guide rollers, the film application mechanism is provided with a heat sealing film for sealing at the sealing position of each paper bag, and the lower station of the film application mechanism is provided with a cutting roller. The cutting roller is used to cut a smooth mouth for the fruit stem to pass through on the paper. The lower station of the cutting roller is provided with an upper rubber roller, and the lower station of the upper rubber roller is provided with a three-dimensional forming mechanism, and the three-dimensional forming mechanism will The paper is squeezed into a three-dimensional cavity. After the paper passes through the three-dimensional forming mechanism, the paper bag is pressed to the upper and lower sides by the pressing roller. The lower station of the pressing roller is provided with a bag cutting roller for cutting the continuous paper bag into a single paper bag. The lower station of the bag roller is provided with a collection table for finished paper bags, the collection table for finished paper bags is arranged at the other end of the frame, the guide roller, the gluing roller, the cutting roller, the The three-dimensional forming mechanism, the pressing roller, and the bag-cutting roller are all arranged on the frame, and the conveying of the paper is driven forward by the motor.

Further, the film-applying mechanism includes a gluing head, a squeegee, and a gluing head driving mechanism, the gluing head is used to evenly apply glue to the sealing part of each bag, and the squeegee scrapes the glue to the desired thickness.

Further, the gluing head driving mechanism includes a gluing plate whose middle part is rotatably connected to the frame and a cam that drives the rear of the gluing plate. The cam is driven by a motor, and the front end of the gluing plate is provided with a gluing head, When the cam presses the rear part of the gluing plate, the gluing head just sticks to the paper, and there is also a spring for making the rear part of the gluing plate close to the cam.

Further, a cooling mechanism is provided between the film applying mechanism and the cutting roller for cooling the heat-sealing adhesive film to facilitate subsequent bag making operations.

Further, the cooling mechanism includes several cooling rollers and cooling fans.

Further, the three-dimensional forming mechanism includes a three-dimensional cavity support, a hemming plate arranged on both sides of the three-dimensional cavity support to bend the paper bag inward, and two smooth presses arranged on the upper side of the three-dimensional cavity support for extruding the paper. Rod, the three-dimensional cavity bracket includes an "I"-shaped bracket and four smooth guide rods arranged in parallel at the four end points of the "I"-shaped bracket, and the two lower side rods of the "I"-shaped bracket are inclined to avoid sticking. The glue on the paper bag is installed on the rack through the mounting bracket above the three-dimensional cavity bracket.

Further, the frame is also provided with a printing roller for printing color labels.

Further, one end of the frame located at the outer paper roll is provided with an inner paper roll, the inner paper roll is covered with an inner paper roll, and the frame is provided with an inner and outer paper composite mechanism, which is used to combine the inner and outer paper rolls. The paper and the outer paper are overlapped and fed forward.

Further, the inner and outer paper compounding mechanism is an inner and outer paper compounding roller, the inner and outer paper compounding mechanism is arranged at the upper station of the film applying mechanism, and the inner and outer paper compounding mechanism makes the inner paper continuously compound with the outer paper. .

Further, the inner and outer paper compounding mechanism is arranged between the film application mechanism and the cutting roller, and includes at least a pair of driving rollers, guide plates, cutters for cutting the inner paper, and inner and outer paper compounding rollers, each of which is arranged in sequence. The driving roller includes a driving roller and a driven roller, the axes of the driving roller and the driven roller are arranged in parallel with each other, and the inner paper conveyed from the inner paper roller is sent from the driving roller and the driven roller. Passing between the driven rollers, the driving roller rotates to drive the inner paper through the guide plate to the inner and outer paper composite rollers, and the cutter is arranged between the driving roller and the inner and outer paper composite rollers,

The inner and outer paper composite mechanism intermittently attaches the inner paper to the outer paper, and when the inner paper is attached to the position of the heat-sealing film of each unit of the bag, the cutter cuts the inner paper, and after the heat-sealing film passes, the inner paper is removed. Continue to stick the outer paper, and there is no inner paper at the heat sealing film of each unit bag.

Further, the upper station of the inner and outer paper compounding mechanism is provided with a rubber roller for compounding the inner and outer paper.

Beneficial effects of the present invention:

The three-dimensional paper bag making machine of the invention can produce heat-sealable single-layer or double-layer paper bags, realizes automatic control, has high folding precision and high yield, and the produced paper bags are suitable for use on automatic bagging machines, and realizes automatic fruit-setting operation. It is very convenient for fruit farmers and has good market promotion prospects.

Description of drawings

In order to make the content of the present invention easier to be understood clearly, the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the front structure schematic diagram of the single-layer three-dimensional paper bag making machine of the present invention;

Fig. 2 is the front structure schematic diagram of the double-layer three-dimensional paper bag making machine of the present invention;

3 is a schematic diagram of the three-dimensional cavity stent according to the present invention;

4 is a schematic cross-sectional view of the three-dimensional forming mechanism according to the present invention;

Fig. 5 is the structural representation when the paper bag made by the bag making machine of the present invention is opened;

Fig. 6 is the structural representation after folding of the paper bag made by the bag making machine of the present invention;

FIG. 7 is a schematic diagram of the inner paper intermittently adhered to the outer paper according to the present invention.

The reference numbers in the figure are indicated as:

1-Frame; 2-Outer Paper Roller; 3-Outer Paper Roll; 31-Outer Paper; 4-Guide Roller; Cooling Roller; 62-Cooling Fan; 7-Inner Paper Roller; 8-Inner Paper Roll; 81-Inner Paper; 9-Inner and Outer Paper Composite Mechanism; 91-Drive Roller; 92-Guide Plate; 93-Cutter; Composite Roller; 10-Inner and Outer Paper Composite Roller; 11-Cutting Roller; 12-Top Roller; 13-Three-Dimensional Forming Mechanism; 131-Three-Dimensional Cavity Bracket; 1311-"I" Bracket; 1312-Smooth Guide Rod; 1313 - lower side bar; 132- hemming plate; 133- smooth pressing bar; 14- pressing roller; 15- cutting bag roller; 16- finished paper bag collecting table; 17- counting roller; 18- paper bag; ; 182 - stalk smooth mouth; 19 - printing roller.

Detailed ways

Example 1

Referring to FIG. 1, a heat-sealable three-dimensional paper bag making machine includes a frame 1, one end of the frame is provided with an outer paper roll 2, and an outer paper roll 3 is sleeved on the outer paper roll. The outer layer paper on the outer paper roll 3 is conveyed to the film application mechanism 5 under the guidance of several guide rollers 4, and the film application mechanism 5 is provided with a 10-15mm wide heat seal for sealing at the sealing position of each paper bag. Film 181, the heat-sealing film 181 is a non-viscous substance at room temperature and viscous after heating, such as hot melt adhesive, plastic film, etc. The lower station is provided with a cooling mechanism 6 for cooling the heat-sealing film 181, which is convenient for subsequent During the bag making operation, a cutting roller 11 is set at the lower station of the cooling mechanism 6. The cutting roller 11 is used to cut the smooth mouth 182 on the paper for the stalk to pass through. The lower station of the cutting roller 11 is provided with a gluing roller. 12. It is used for gluing the bottom end and side of the fruit bag. A three-dimensional forming mechanism 13 is set at the lower position of the upper rubber roller 12. The three-dimensional forming mechanism 13 squeezes the paper into a three-dimensional cavity, and the paper passes through the three-dimensional forming mechanism 13. Then, the paper bag is pressed to the top and bottom by the pressing roller 14. The lower station of the pressing roller 14 is provided with a bag cutting roller 15 for cutting the continuous paper bag into a single paper bag. The lower station of the bag cutting roller 15 is provided with the finished product. The paper bag collection table 16, the finished paper bag collection table 16 is arranged at the other end of the frame, the guide roller 4, the gluing roller 12, the cutting roller 11, the three-dimensional forming mechanism 13 , The pressing roller 14 and the bag-cutting roller 15 are all arranged on the frame 1, and the conveying of the paper is driven by the motor to convey forward.

The film applying mechanism 5 includes a gluing head 51, a glue scraper 52 and a gluing head driving mechanism. Scrape the glue into a uniform thickness of 0.03-0.1mm.

The gluing head driving mechanism includes a gluing plate whose middle part is rotatably connected to the frame and a cam that drives the rear of the gluing plate. The cam is driven by a motor. The front end of the gluing plate is provided with a gluing head 51. When the sealing position of each paper bag reaches the gluing head 51, the cam squeezes the back of the gluing plate, the gluing head 51 just sticks to the paper and applies glue, and then the scraping plate 52 scrapes out 10-10 15mm wide glue film, then the cam rotates, under the action of the spring, the glue application head 51 is away from the paper surface.

The cooling mechanism includes several cooling rollers 61 and cooling fans 62 .

As shown in FIG. 4 , the three-dimensional forming mechanism 13 includes a three-dimensional cavity support 131 (see FIG. 3 ), a hemming plate 132 provided on both sides of the three-dimensional cavity support 131 for bending the paper bag inward, and a three-dimensional cavity support 132 , and The two smooth pressing rods 133 on the upper side of the cavity support for extruding the paper, the three-dimensional cavity support 131 includes an "I"-shaped support 1311 and four smooth guide rods 1312 arranged in parallel at the four ends of the "I"-shaped support. The two lower rods 1313 of the "I"-shaped bracket 1311 are inclined to prevent glue from sticking to the paper bag. The upper part of the three-dimensional cavity bracket 131 is installed on the rack 1 through a mounting bracket.

The lower station of the film applying mechanism 5 is provided with a printing roller 19 for printing color labels.

Example 2

Referring to FIG. 2 , one end of the frame 1 located at the outer paper roll 2 is provided with an inner paper roll 7 , the inner paper roll 7 is covered with an inner paper roll 8 , and the frame 1 is provided with an inner and outer paper roll 7 . The paper compounding mechanism 9 is used to transport the inner paper and the outer paper forward after overlapping them.

The inner and outer paper compounding mechanism 9 is arranged between the film applying mechanism 5 and the cutting roller 11, and includes at least a pair of driving rollers 91, guide plates 92, a cutter 93 for cutting the inner paper, and the inner and outer paper compounding. Rollers 94, each pair of the driving rollers 91 includes a driving roller and a driven roller, the axes of the driving roller and the driven roller are arranged parallel to each other, and the inner paper conveyed from the inner paper roller 7 is Passing between the driving roller and the driven roller, the driving roller rotates to drive the inner paper through the guide plate to the inner and outer paper composite roller 94, and the cutter 93 is arranged between the driving roller 91 and the inner and outer paper composite rollers 94. Between the inner and outer paper composite rollers 94,

As shown in FIG. 7 , the inner and outer paper composite mechanism 9 intermittently attaches the inner paper 81 to the outer paper 31, and when the inner paper 81 is attached to the position of the heat sealing film 181 of each unit of the bag, the cutter 93 Cut the inner paper 81, after the heat sealing film 181 passes, the inner paper 81 continues to adhere to the outer paper 31, and there is no inner paper 81 at the heat sealing film 181 of each unit bag, which facilitates the sealing of the heat sealing film and improves the sealing efficiency.

The upper station of the inner and outer paper compounding mechanism is provided with an inner and outer paper compounding gluing roller 10, which is used for gluing and is convenient for bonding the inner and outer papers together.

Example 3

The inner and outer paper compounding mechanism 9 is an inner and outer paper compounding roller 94. The inner and outer paper compounding mechanism 9 is arranged at the upper station of the film applying mechanism 5. The inner and outer paper compounding mechanism 9 makes the inner paper continuously and the outer paper. Combined together, the heat sealing film is arranged on the inner paper.

The above-mentioned specific embodiments are only a detailed explanation of the technical solutions of the present invention, and the present invention is not only limited to the above-mentioned embodiments. Those skilled in the art should understand that any improvement and substitution based on the above-mentioned principles and spirits on the basis of the present invention should be within the protection scope of the present invention.

Claims (10)

1. A heat-sealable three-dimensional paper bag making machine, characterized in that it comprises a frame, one end of the frame is provided with an outer paper roll, the outer paper roll is sleeved with an outer paper roll, and the outer paper The outer layer paper on the roll is conveyed to the film application mechanism under the guidance of several guide rollers. The film application mechanism is provided with a heat sealing film for sealing at the sealing position of each paper bag, and the film application mechanism The cutting roller is used to cut a smooth mouth for the fruit stem to pass through on the paper. The lower station of the cutting roller is provided with an upper rubber roller, and the lower station of the upper rubber roller is provided with a three-dimensional forming mechanism, so The three-dimensional forming mechanism squeezes the paper into a three-dimensional cavity. After the paper passes through the three-dimensional forming mechanism, the paper bag is pressed to the upper and lower sides by the pressing roller, and the lower station of the pressing roller is provided with a cutting bag for cutting the continuous paper bag into a single paper bag. The lower station of the bag cutting roller is provided with a collection table for finished paper bags, the collection table for finished paper bags is arranged at the other end of the frame, the guide roller, the gluing roller, the cutting The roller, the three-dimensional forming mechanism, the pressing roller and the bag-cutting roller are all arranged on the frame, and the conveying of the paper is driven forward by the motor. 2. A heat-sealable three-dimensional paper bag making machine according to claim 1, wherein the film applying mechanism comprises a gluing head, a scraping plate and a gluing head driving mechanism, and the gluing head Used to evenly apply glue to the sealing part of each bag, the glue scraper scrapes the glue into a uniform required thickness. 3 . The heat-sealable three-dimensional paper bag making machine according to claim 2 , wherein the gluing head driving mechanism comprises a gluing plate and a driving gluing plate whose middle part is rotatably connected to the frame. 4 . The cam at the rear is driven by a motor. The front end of the glue plate is provided with a glue head. When the cam squeezes the rear of the glue plate, the glue head just sticks to the paper. The back of the glue board is in close contact with the spring of the cam. 4. A heat-sealable three-dimensional paper bag making machine according to claim 1, characterized in that, a cooling mechanism is provided between the film applying mechanism and the cutting roller for cooling the heat-sealing film, which is convenient for Subsequent bag making operations. 5 . The heat-sealable three-dimensional paper bag making machine according to claim 4 , wherein the cooling mechanism is a plurality of cooling rollers and cooling fans. 6 . 6 . The heat-sealable three-dimensional paper bag making machine according to claim 1 , wherein the three-dimensional forming mechanism comprises a three-dimensional cavity support, and two sides of the three-dimensional cavity support for bending the paper bag inwardly. 7 . Hemming plate and two smooth pressing rods arranged on the upper side of the three-dimensional cavity support for extruding the paper, the three-dimensional cavity support includes an "I"-shaped support and four parallel arranged at the four ends of the "I"-shaped support Smooth guide rod, the two lower rods of the "I"-shaped bracket are inclined to prevent glue from sticking to the paper bag, and the upper part of the three-dimensional cavity bracket is installed on the rack through the installation frame. 7 . The heat-sealable three-dimensional paper bag making machine according to claim 1 , wherein an inner paper roller is provided at one end of the frame located at the outer paper roller, and the inner paper roller is covered with a sleeve. 8 . There is an inner paper roll, and the frame is provided with an inner and outer paper compounding mechanism, which is used for overlapping the inner paper and the outer paper and then conveying it forward. 8 . The heat-sealable three-dimensional paper bag making machine according to claim 7 , wherein the inner and outer paper compounding mechanism is an inner and outer paper compounding roller, and the inner and outer paper compounding mechanism is arranged on the film applying mechanism. 9 . In the upper station, the inner and outer paper compounding mechanism makes the inner paper continuously compound with the outer paper. 9 . The heat-sealable three-dimensional paper bag making machine according to claim 7 , wherein the inner and outer paper compounding mechanism is arranged between the film applying mechanism and the cutting roller, and comprises slantingly arranged in sequence 9 . At least one pair of driving rollers, guide plates, cutters for cutting the inner paper, and inner and outer paper composite rollers, each pair of the driving rollers includes a driving roller and a driven roller, and the axes of the driving roller and the driven roller are They are arranged parallel to each other, the inner paper conveyed from the inner paper roller passes between the driving roller and the driven roller, and the driving roller rotates to drive the inner paper through the guide plate to the inner and outer paper composite rollers, and the cutter is arranged between the driving roller and the inner and outer paper compounding rollers. 10. A heat-sealable three-dimensional paper bag making machine according to claim 7, wherein the inner and outer paper composite mechanism intermittently attaches the inner paper to the outer paper, and the heat-sealing film of each unit bag position without inner paper lamination.

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