阅读说明：本技术 冰箱包装套袋收底方法 (Bottom folding method for refrigerator packaging bag ) 是由 汪锋 程芳园 刘虹雨 于 2019-11-22 设计创作，主要内容包括：本发明公开了冰箱包装套袋收底方法,包括以下步骤：冰箱向上顶升,由冰箱上边沿至下边沿捋平膜袋,使得膜袋紧贴冰箱侧面,收底板由冰箱侧面底部边沿向内推动膜袋口部,冰箱下降,使冰箱底面与收底板上表面接触并压紧收底板,同时,收底板对冰箱底部的膜袋口部进行加热,膜袋口部受热收缩,实现收底；本发明的收底方法,能够快速的一次性完成冰箱从套膜袋到收底过程,使得膜袋能够紧紧的包裹在冰箱外部,在膜袋与冰箱之间不存在鼓包现象,有效的避免了膜袋在运输、储藏或销售中出现破损问题；且膜袋的口部在冰箱底部收口,便于冰箱在购买后快速的将膜袋拆卸去除。(The invention discloses a bottom closing method of a refrigerator packaging bag, which comprises the following steps: lifting the refrigerator upwards, flattening the film bag from the upper edge to the lower edge of the refrigerator to enable the film bag to be tightly attached to the side face of the refrigerator, pushing the opening of the film bag inwards by the edge of the bottom of the side face of the refrigerator through the bottom of the side face of the refrigerator, descending the refrigerator to enable the bottom face of the refrigerator to be in contact with the upper surface of the bottom closing plate and tightly press the bottom closing plate, meanwhile, heating the opening of the film bag at the bottom of the refrigerator through the bottom closing plate, and enabling the opening of the film bag; the bottom closing method can rapidly complete the process of closing the film bag to the bottom of the refrigerator from the film bag at one time, so that the film bag can be tightly wrapped outside the refrigerator, no bulge phenomenon exists between the film bag and the refrigerator, and the problem that the film bag is damaged in transportation, storage or sale is effectively avoided; and the mouth part of the film bag is closed at the bottom of the refrigerator, so that the film bag can be quickly detached and removed after the refrigerator is purchased.)

1. The bottom folding method of the refrigerator packaging bag is characterized by comprising the following steps:

s1, lifting the refrigerator covered with the film bag upwards from the bottom of the refrigerator by using a lifting device;

s2, smoothing the film bag from the upper edge to the lower edge of the side face of the refrigerator by using a bag smoothing device, so that the film bag is tightly attached to the side face of the refrigerator;

s3, pushing the mouth of the film bag inwards from the bottom edge of the side face of the refrigerator by using the bottom plate, and keeping the bottom plate to lift the mouth of the film bag and cling to the bottom face of the refrigerator;

s4, the jacking device drives the refrigerator to descend, so that the bottom surface of the refrigerator is in contact with the upper surface of the bottom plate and presses the bottom plate tightly, and meanwhile, the jacking device continues jacking and supporting the refrigerator;

s5, heating the mouth of the film bag at the bottom of the refrigerator by the bottom closing plate, and heating and shrinking the mouth of the film bag to realize bottom closing.

2. The bottom closing method of the refrigerator packaging bag according to claim 1, wherein:

the refrigerator is jacked by the jacking device in the S1 to reach the position 5-10 mm above the bottom folding plate;

after the folding bottom plate in the S3 is pushed inwards, the distance between the outer edge of the folding bottom plate and the outer side surface of the refrigerator is 3-5 cm;

the whole length of the film bag is 18-20 cm greater than the height of the refrigerator;

the width of the folding bottom plate is 10-12 cm, four folding bottom plates are arranged on the four sides of the periphery of the refrigerator and are respectively arranged on the four sides of the periphery of the refrigerator, the four folding bottom plates are pushed into the inner side of the bottom surface of the refrigerator to form a rectangular frame-shaped structure in a surrounding mode, and the jacking device is located inside the rectangular frame-shaped structure.

3. The bottom closing method of the refrigerator packaging bag as claimed in claim 1, wherein the upper surface of the bottom closing plate is a smooth plane, the bottom of the bottom closing plate is provided with a heating plate, and an electric heating device is connected to the heating plate.

4. The bottom closing method of the packaging bag of the refrigerator as claimed in claim 1, wherein the upper surface of the bottom closing plate is a smooth plane and is uniformly provided with a plurality of air holes, the bottom of the bottom closing plate is connected with an air cavity, and the air cavity is connected with a hot air device.

5. The bottom closing method of the refrigerator packing bag according to claim 3 or 4, wherein the bottom closing plate is an insulation sleeper.

6. The bottom closing method of the refrigerator packaging bag covering device as claimed in claim 1, wherein a pressure sensor is fixed on the side face of the bottom closing plate, a sensing contact of the pressure sensor is matched with the upper surface of the bottom closing plate, a controller is connected to the pressure sensor, and the controller is further in signal connection with the jacking device and the bag smoothing device.

7. The bottom closing method of the refrigerator packaging bag according to claim 1, wherein the lifting device comprises a lifting plate and a lifting mechanism connected to the bottom of the lifting plate for lifting the lifting plate, and the lengths of four sides of the lifting plate are respectively smaller than the lengths of the bottom closing plate parallel to the lifting plate.

8. The bottom closing method of the packaging bag of the refrigerator as claimed in claim 1, wherein a first telescoping mechanism is connected to the rear side of the bottom closing plate away from the refrigerator, and the first telescoping mechanism enables the bottom closing plate to move relative to the refrigerator.

9. The bottom withdrawing method of the refrigerator packaging bag covering device as claimed in claim 1, wherein the bag smoothening device comprises a smoothening plate with a length larger than the width of the side face of the refrigerator, a second telescopic mechanism is connected to the rear part of the smoothening plate, and a lifting mechanism is connected to the second telescopic mechanism.

10. The bottom closing method of the refrigerator packaging bag of claim 1, further comprising a feeding step and a bag covering step at the front part of S1, and a discharging step at the rear part of S5, wherein the feeding step and the discharging step use two oppositely arranged conveying chains, the two conveying chains are respectively arranged at two sides of the lifting device, and the bag covering step is to cover the film bag downwards from the top of the refrigerator when the refrigerator is arranged at the upper part of the lifting mechanism.

Technical Field

The invention belongs to the field of refrigerator packaging, and particularly relates to a bottom folding method for a refrigerator packaging bag.

Background

In the production process of the refrigerator, packaging is one of the essential important links for sale, transportation and storage. The refrigerator packing is to avoid on the one hand to bump, collide with or wear and tear in the transportation, influence the refrigerator outward appearance and even damage the refrigerator, and on the other hand is for preventing dust.

In the prior art, the refrigerator is packaged by the corrugated case, and the packaging mode has the problems of easy damping and large environmental influence on performance in performance, and the performance is attenuated continuously along with the lengthening of storage time to influence the packaging effect of the packaged corrugated paper. In terms of materials, the raw materials of the corrugated paper packaging box come from trees, are used in large quantities, indirectly influence the environment, and in the corrugated paper production and manufacturing process, the chemical raw materials used by the corrugated paper packaging box seriously pollute the environment. Meanwhile, with the higher living standard of people, the selection of the refrigerator by people is developed from the unique requirement of performance and quality to the requirements of performance, quality, beautiful appearance and the like. The corrugated paper package in the prior art cannot well observe the structure inside the refrigerator, and therefore, the observation and the purchase of purchasers are hindered.

In order to solve the above-mentioned problem that the purchaser is hindered to observe and choose, the method adopted in the prior art is to take the refrigerator of a certain model and style as the exhibit after unpacking. Although the method solves the problems, the appearance of the refrigerator with the exhibit can be slightly worn in the long-term display process, the secondary sale of the refrigerator with the exhibit is influenced, generally, the existing refrigerator with the exhibit is subjected to special price discount treatment or direct recycling, and the cost of manufacturers or sales shops is increased.

In order to solve the problems, the prior art has proposed that the refrigerator is packaged by transparent materials such as transparent plastic films and the like, the refrigerator can be displayed with films, on one hand, the normal appearance observation of the refrigerator is not influenced, on the other hand, the appearance of the refrigerator is not abraded, the refrigerator serving as a display can be sold according to the original price, and the cost of manufacturers is reduced.

Since the packaging of refrigerators by transparent materials such as transparent plastic films is a packaging method which has just been raised, there are many operational obstacles and difficulties in packaging. For example, because the thickness of the packaged film is thick and the hardness is high, the packaging film bag and a refrigerator are difficult to be tightly wrapped, especially, the problem that the mouth of the packaging film bag is difficult to close and the packaging film bag is difficult to disassemble is caused.

Disclosure of Invention

The invention aims to provide a bottom collecting method of a refrigerator packaging bag, which can quickly finish the process of collecting the bottom of a refrigerator from a film covering bag at one time, so that the film bag can be tightly wrapped outside the refrigerator, a bulge phenomenon does not exist between the film bag and the refrigerator, and the problem that the film bag is damaged in transportation, storage or sale is effectively avoided; and the mouth part of the film bag is closed at the bottom of the refrigerator, so that the film bag can be quickly detached and removed after the refrigerator is purchased.

The technical scheme of the invention is that the bottom collecting method of the refrigerator packaging bag comprises the following steps:

s1, lifting the refrigerator covered with the film bag upwards from the bottom of the refrigerator by using a lifting device;

s2, smoothing the film bag from the upper edge to the lower edge of the side face of the refrigerator by using a bag smoothing device, so that the film bag is tightly attached to the side face of the refrigerator;

s3, pushing the mouth of the film bag inwards from the bottom edge of the side face of the refrigerator by using the bottom plate, and keeping the bottom plate to lift the mouth of the film bag and cling to the bottom face of the refrigerator;

s4, the jacking device drives the refrigerator to descend, so that the bottom surface of the refrigerator is in contact with the upper surface of the bottom plate and presses the bottom plate tightly, and meanwhile, the jacking device continues jacking and supporting the refrigerator;

s5, heating the mouth of the film bag at the bottom of the refrigerator by the bottom closing plate, and heating and shrinking the mouth of the film bag to realize bottom closing.

Preferably, the height of the refrigerator lifted by the lifting device in the S1 is 5-10 mm of the upper part of the bottom folding plate;

after the folding bottom plate in the S3 is pushed inwards, the distance between the outer edge of the folding bottom plate and the outer side surface of the refrigerator is 3-5 cm;

the whole length of the film bag is 18-20 cm greater than the height of the refrigerator;

the width of the folding bottom plate is 10-12 cm, four folding bottom plates are arranged on the four sides of the periphery of the refrigerator and are respectively arranged on the four sides of the periphery of the refrigerator, the four folding bottom plates are pushed into the inner side of the bottom surface of the refrigerator to form a rectangular frame-shaped structure in a surrounding mode, and the jacking device is located inside the rectangular frame-shaped structure.

Preferably, the upper surface of the bottom collecting plate is a smooth plane, a heating plate is arranged at the bottom of the bottom collecting plate, and an electric heating device is connected to the heating plate.

Preferably, the upper surface of the bottom closing plate is a smooth plane, a plurality of air holes are uniformly distributed on the upper surface of the bottom closing plate, the bottom of the bottom closing plate is connected with an air cavity, and a hot air device is connected to the air cavity.

Preferably, the bottom plate is an insulation sleeper.

Preferably, a pressure sensor is fixed on the side face of the base plate, an induction contact of the pressure sensor is matched with the upper surface of the base plate, a controller is connected to the pressure sensor, and the controller is further in signal connection with the jacking device and the bag smoothing device.

Preferably, the jacking device comprises a jacking plate and a jacking mechanism which is connected to the bottom of the jacking plate and realizes the lifting of the jacking plate, and the lengths of the four sides of the jacking plate are respectively smaller than the lengths of the bottom plates parallel to the jacking plate.

Preferably, a first telescopic mechanism is connected to the rear side face, far away from the refrigerator, of the bottom folding plate, and the first telescopic mechanism enables the bottom folding plate to move relative to the refrigerator.

Preferably, the bag smoothing device comprises a film smoothing plate with the length larger than the width of the side face of the refrigerator, the rear part of the film smoothing plate is connected with a second telescopic mechanism, and the second telescopic mechanism is connected with a lifting mechanism.

Preferably, the method further comprises a feeding step and a bagging step at the front part of S1 and a discharging step arranged at the rear part of S5, wherein the feeding step and the discharging step both adopt two oppositely arranged conveying chains which are respectively arranged at two sides of the jacking device, and the bagging step is to downwards wrap the film bags from the top of the refrigerator when the refrigerator is arranged at the upper part of the jacking mechanism.

The refrigerator packaging bag bottom-closing method of the technical scheme of the invention has the beneficial effects that: the transparent film bag of realization refrigerator that can be quick is to the packing of refrigerator and receive the end, receives closely laminating between end back packaging film bag and the refrigerator, and the membrane bag can not appear the bulge problem, at the transportation of refrigerator. The film bag can not move, slide or break in storage and sale; the film bag is folded at the bottom of the refrigerator, so that the film bag is convenient to detach.

Drawings

FIG. 1 is a flow chart of a bottom-collecting method of a refrigerator packaging bag according to the technical scheme of the invention,

FIG. 2 is a schematic structural diagram of an apparatus used in a bottom-closing method of a refrigerator packaging bag according to a technical scheme of the present invention,

FIG. 3 is a schematic view of the internal structure of the apparatus for bottom-folding of the refrigerator packaging bag according to the present invention,

FIG. 4 is a schematic view of a bottom plate structure used in the bottom-folding method of the refrigerator packaging bag according to the technical scheme of the invention,

FIG. 5 is a schematic view of the bottom of the refrigerator during bottom closing by the method for packaging and bagging the refrigerator according to the technical scheme of the invention,

fig. 6 is a schematic structural view of another embodiment of a bottom plate used in the bottom closing method of the refrigerator packaging bag according to the technical scheme of the invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

As shown in fig. 1, the bottom closing method of the refrigerator packaging bag according to the technical scheme of the invention comprises the following steps:

n1, the refrigerator 10 is conveyed to the bag sleeving and bottom closing working area 2 by utilizing the two oppositely arranged conveying chains 7 in the bottom closing device 1, after the bags enter the working area 2, the two conveying chains 7 pause, and particularly when the refrigerator 10 enters the right upper part of the jacking device 6 in the working area 2, the conveying chains 7 pause.

N2, after refrigerator 10 carried and stops, install the downward bagging apparatus 3 at 2 tops in workspace, wrap up in refrigerator 10 packaging film bag by refrigerator 10 top to bottom cover, the length of packaging film bag should be greater than the high 18 ~ 20 centimetres of refrigerator 10 to guarantee that refrigerator 10 can be wrapped up in completely and pack, simultaneously, the film bag is by direct binding off in refrigerator 10 bottom, need not carry out the secondary to the film bag oral area and tailor etc. be favorable to improving bagging and receipts end work efficiency.

N3 and a jacking device 6 located right below the bottom of the refrigerator 10 move upwards to jack the bagged refrigerator 10 upwards, the jacking device 6 jacks the refrigerator 10 to a position 5-10 mm higher than the upper part of a bottom collecting plate 51 of the bottom collecting device 5, on one hand, the bag smoothing device 4 can smooth a film bag downwards normally and continuously after use, the film bag is guaranteed to be smoothed to the lower edge position of the side face of the refrigerator, on the other hand, the subsequent bottom collecting plate 51 can enter the inner side of the bottom of the refrigerator 10 conveniently, and the mouth of the film bag is folded towards the inner side of the bottom of the refrigerator 10.

N4, after the refrigerator 10 is jacked up, the bag smoothing device 4 smoothes the film bag from the upper edge to the lower edge of the side face of the refrigerator 10, so that the film bag is tightly attached to the side face of the refrigerator, the width of the side face of the film bag is slightly larger than that of the side face of the refrigerator 10 tightly attached to the side face of the film bag, on one hand, the film bag can be smoothly sleeved on the refrigerator 10, on the other hand, after the refrigerator with the bottom sleeved and the film bag on the refrigerator are placed in an oven together, the film bag shrinks in a proper shrinkage range and tightly attaches to the outer side face of the refrigerator, and packaging.

N5, the first expansion device 51 which is horizontally arranged and connected to the side surface of the bottom plate 51 far away from the refrigerator 10 drives the bottom plate 51 to move towards the inner side of the bottom of the refrigerator 10, the bottom plate 51 pushes the film bag opening section towards the inner side of the bottom of the refrigerator 10 from the bottom edge of the side surface of the refrigerator 10, and the bottom plate 51 is kept to support the film bag opening section and smoothly cling to the bottom surface of the refrigerator.

N6, jacking device 6 drive refrigerator 10 descend the appropriate amount distance for refrigerator 10 bottom surface and receipts bottom plate 51 upper surface contact, and compress tightly receipts bottom plate 51, the membrane pocket mouth portion section is pressed from both sides tightly by refrigerator 10 bottom and receipts bottom plate 51 simultaneously, and simultaneously, jacking device 6 continues to carry out the jacking to refrigerator 10 and holds up, also avoids refrigerator 10 to receive bottom plate 51 too big cause receive bottom plate 51 to warp or receive bottom plate 51 to appear shifting fracture scheduling problem.

N7, the bottom folding plate 51 heats the section of the film bag opening at the bottom of the refrigerator 10, the film bag opening is heated and shrunk to realize bottom folding, after the bottom folding is finished, the bottom folding plate 51 moves outwards under the action of the first telescopic device 51, and the bottom folding plate 51 is withdrawn from the bottom of the refrigerator 10.

N8, the jacking device 6 descends to drive the refrigerator 10 to fall onto the conveying chain 7, the conveying chain 7 conveys and unloads the materials, and the whole bottom closing operation is completed.

As shown in fig. 5, in the bottom closing method of the refrigerator packaging bag according to the technical scheme of the invention:

the width of the bottom closing plate 51 is 10-12 cm, and four bottom closing plates 51 are arranged and are respectively arranged on the outer sides of the periphery of the refrigerator 10. The four bottom closing plates 51 are pushed into the inner side of the bottom of the refrigerator 10 to form a rectangular frame structure, and the jacking plate 61 of the jacking device is positioned in the rectangular frame structure. After the bottom closing plate 51 is pushed inwards, the distance between the outer edge of the bottom closing plate 51 and the outer side surface of the refrigerator 10 is 3-5 cm.

As shown in fig. 4, in the technical solution of the present invention, the upper surface of the bottom plate 51 is a smooth plane, a heating plate 55 is disposed at the bottom of the bottom plate 51, and an electric heating device 54 is connected to the heating plate 55. The electric heating device 54 heats the heating plate 55, the heating plate 55 heats up and then transfers the temperature to the bottom closing plate 51 of the insulation sleeper, the upper surface of the bottom closing plate 51 is contacted with the section of the mouth of the film bag and heats the section, and the mouth of the film bag is heated and shrunk to realize bottom closing.

Fig. 6 shows another embodiment of the bottom plate according to the present invention. In this embodiment, the upper surface of the bottom plate 501 of the insulation sleeper is a smooth plane, and a plurality of air holes 506 are uniformly distributed, the bottom of the bottom plate 501 is connected with an air cavity 505, and the air cavity 505 is connected with a hot air device 504. The hot air device 504 is any device capable of generating and outputting hot air in the prior art, such as a hot air blower. Hot air is blown into the air cavity 505 by the hot air device 504, and finally, the hot air is blown to the opening section of the film bag clamped between the bottom of the refrigerator and the bottom closing plate 501 through the air hole 506, and the opening section of the film bag is deformed and shrunk by heat to realize bottom closing.

As shown in fig. 4 and 6, in the technical scheme of the invention, a pressure sensor 53 is fixed on the side surface of the bottom collecting plate 51, a sensing contact of the pressure sensor 53 is adapted to the upper surface of the bottom collecting plate 51, the pressure sensor 53 is connected with a controller, and the controller is further in signal connection with the jacking device 6 and the bag smoothing device 3. Before receiving bottom plate 51 and heating for membrane bag mouth portion section, jacking device 6 drives refrigerator 10 downstream for refrigerator 10 descends the appropriate amount distance, refrigerator 10 bottom surface and receipts bottom plate 51 upper surface contact, and compress tightly receipts bottom plate 51, and membrane bag mouth portion section is pressed from both sides tightly by refrigerator 10 bottom and receipts bottom plate 51 simultaneously, and simultaneously, jacking device 6 continues to carry out the jacking to refrigerator 10 and holds up, also avoids refrigerator 10 to receiving bottom plate 51 too big pressure to cause receipts bottom plate 51 to warp or receipts bottom plate 51 the displacement fracture scheduling problem appears. The proper distance of the refrigerator 10 descending is controlled by the pressure sensor 53, the pressure sensor 53 and the upper surface of the bottom receiving plate 51 are synchronously pressed by the refrigerator 10, when the pressure sensor 53 senses the set pressure, the pressure sensor 53 controls the jacking device 6 to temporarily descend through the controller, and the last descending position is kept to realize the jacking of the refrigerator.

As shown in fig. 2 and 3, in the technical solution of the present invention, the jacking device 6 includes a jacking plate 61 and a jacking mechanism 62 connected to the bottom of the jacking plate 61 and realizing the lifting of the jacking plate 61, and the lengths of four sides of the jacking plate 61 are respectively smaller than the lengths of the parallel bottom plates 51, so as to effectively avoid the interference between the jacking plate 61 and the bottom plates 51 as shown in fig. 5.

As shown in fig. 2 and 3, in the technical solution of the present invention, a first telescopic mechanism 52 is connected to a rear side surface of the bottom plate 51 away from the refrigerator 10, and the first telescopic mechanism 52 realizes that the bottom plate 51 moves relative to the refrigerator 10. The bag smoothing device 4 comprises a film smoothing plate 41 with the length larger than the width of the side face of the refrigerator 10, a second telescopic mechanism 42 is connected to the rear part of the film smoothing plate 41, and a lifting mechanism 43 is connected to the second telescopic mechanism 42. The lifting mechanism 43 drives the second telescopic mechanism 42 and the film smoothing plate 41 to lift, and the film bag outside the refrigerator is smoothed from the top edge to the bottom edge of the refrigerator. The second telescopic mechanism 42 realizes the movement of the membrane stroking plate 41 close to or far away from the refrigerator 10.

In the invention: the bagging device is a prior art, and can be seen in an invention patent with patent number 201610241286.1, namely an automatic bag opening mechanism of a packaging machine. The first telescoping mechanism 52, the second telescoping mechanism 42, the lifting mechanism 43, and the jacking mechanism 62 are any devices capable of achieving telescoping or lifting functions in the prior art, such as an air cylinder, an oil cylinder, a transmission screw, and the like.

Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.