CN215435265U

CN215435265U - Plastic bag hot melting cutting equipment

Info

Publication number: CN215435265U
Application number: CN202120796082.0U
Authority: CN
Inventors: 杨海全
Original assignee: Dongguan Longxin Biological Environmental Protection Technology Co ltd
Current assignee: Dongguan Longxin Biological Environmental Protection Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-01-07
Anticipated expiration: 2031-04-16

Abstract

According to the plastic bag hot melting cutting equipment, the unwinding device, the hot melting cutting device and the blanking device are arranged, the stepping motor can continuously output power to rotate the tensioning roller in the process of conveying the material belt, and the arc-shaped semi-rings are uniformly arranged in the circumferential direction of the roller body and can continuously contact with the material belt and flap the material belt, so that the tension degree of the material belt in the conveying process is ensured, the problem of wrinkling of the material belt is prevented, and the phenomenon of virtual sealing when the material belt is sealed by hot melting through the hot melting head is avoided; in addition, because the spring housing is located on the slip post, when the hot pressboard pushed down and carries out the hot melt to the material area, the spring can play the effect of buffering, prevents that the hot melt head from exerting the too big and lead to the material area to break on the material area, can protect the material area effectively.

Description

Plastic bag hot melting cutting equipment

Technical Field

The utility model relates to the technical field of automatic equipment, in particular to a hot melting and cutting device for plastic bags.

Background

The plastic bag is a bag made of plastic (common plastic such as polypropylene, polyester, nylon and the like) as a main raw material, is an essential article in daily life of people, and is often used for containing other articles. At present, bags on the market are almost made of plastic materials, but with the continuous improvement of the environmental protection concept, people also begin to realize the harm of plastic bags to the environment, but considering that the manufacturing cost of the environment-friendly bags is much higher than that of the plastic bags, most enterprises mainly produce the plastic bags and the environment-friendly bags are auxiliary business models, so the mainstream bags in the domestic market are also mainly the plastic bags.

The manufacture of plastic bags involves various processes, and the hot melting and cutting processes are two of the processes for producing plastic bags. The hot melting process is to use a hot melting head to perform hot melting seal on the material strip being transmitted, form a plurality of seal openings on the material strip, then use a cutter to cut the material strip at a position close to the seal openings, and divide the material strip into a plurality of plastic bags.

The two processes are all completed by hot-melting cutting equipment in the prior art, but the existing hot-melting cutting equipment has the following defects:

in the process of conveying the material belt, the phenomenon of wrinkling is easy to occur due to insufficient tension, so that when the material belt is subjected to hot melting subsequently, the material belt at the wrinkling position causes incomplete sealing due to the problem of large thickness, namely the material belt has a virtual sealing phenomenon; in addition, because the hot melt head does not set up corresponding buffer structure, when leading to hot melt head and material area contact, often can let the material area break because of the effort of exerting on the material area is too big, in case take place above-mentioned problem, operating personnel just has to shut down the maintenance, this reduces production efficiency undoubtedly.

SUMMERY OF THE UTILITY MODEL

The plastic bag hot melting cutting equipment comprises a plastic bag feeding device, a plastic bag discharging device, a buffer structure and a plastic bag hot melting cutting device, wherein the plastic bag feeding device is arranged on the plastic bag feeding device, and the plastic bag feeding device is arranged on the plastic bag feeding device.

The purpose of the utility model is realized by the following technical scheme:

a plastic bag hot melt cutting apparatus comprising:

the unwinding device comprises a stand, an unwinding module, a transmission set and a tensioning set, wherein the unwinding module is arranged on the stand and used for unwinding a material belt, the transmission set comprises a plurality of transmission rollers, the transmission rollers are all rotatably arranged on the stand, the tensioning set comprises a stepping motor and a tensioning roller, the stepping motor is arranged on the stand, the tensioning roller comprises a roller body and a plurality of arc-shaped semi-rings, the roller body is connected with a driving shaft of the stepping motor, each arc-shaped semi-ring is connected with the roller body, and the arc-shaped semi-rings are uniformly distributed along the circumferential direction of the roller body;

the hot melting cutting device comprises a base station, a material belt transmission module, a hot melting module and a cutting module, the material belt transmission module is arranged on the base station and is used for transmitting a material belt, the hot melting module comprises a support plate, a lifting cylinder and a hot pressing plate, the support plate is arranged on the base station, the lifting cylinder is arranged on the carrier plate, the hot pressing plate comprises a connecting plate, a hot melting head and a spring, the connecting plate is connected with a driving shaft of the lifting cylinder, a sliding column is arranged on the hot melting head, the sliding column is arranged on the connecting plate in a sliding manner, the spring is sleeved on the sliding column, the spring is respectively propped against the connecting plate and the hot melting head, the cutting module comprises a lifting cylinder and a cutting plate, the lifting cylinder is arranged on the base platform, and the cutting plate is connected with a driving shaft of the lifting cylinder; and

the blanking device comprises a blanking table, a rotating motor and a jig table, wherein the blanking table is provided with a plurality of blanking rollers, the rotating motor is arranged on the blanking table, a driving shaft of the rotating motor is connected with one of the blanking rollers, and the jig table is provided with a trough.

In one embodiment, the unwinding module comprises an unwinding motor and an unwinding roller, the unwinding motor is arranged on the stand, and the unwinding roller is connected with a driving shaft of the unwinding motor.

In one embodiment, the material belt transmission module comprises a transmission motor, a sliding chain and a plurality of material belt rollers, the transmission motor is arranged on the base platform, each material belt roller is rotatably arranged on the base platform, a chain wheel is arranged at the end of each material belt roller, each chain wheel is in transmission connection with the sliding chain, and one material belt roller is connected with a driving shaft of the transmission motor.

In one embodiment, the blanking table is provided with L-shaped corner pieces at both side positions.

In one embodiment, the roller body and each of the arc-shaped half rings are of an integrally formed structure.

In one embodiment, the stand is provided with a reinforcing rib.

Compared with the prior art, the utility model at least has the following advantages and beneficial effects:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of an assembly structure of a plastic bag hot melt cutting apparatus according to an embodiment of the present invention;

FIG. 2 is a sectional view of the tension roller according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an internal structure of a hot-melt cutting apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a blanking device according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a plastic bag hot melting and cutting apparatus 10 includes an unwinding device 100, a hot melting and cutting device 200, and a blanking device 300.

Therefore, it should be noted that the unwinding device 100 is used for unwinding the material belt and ensuring the tension of the material belt; the hot melting cutting device 200 is used for carrying out hot melting and cutting operations on the material belt; the blanking device 300 is used for blanking the plastic bag.

Referring to fig. 1 and 2, the unwinding device 100 includes a stand 110, an unwinding module 120, a transmission set 130 and a tension set 140, the unwinding module 120 is disposed on the stand 110, the unwinding module 120 is configured to unwind the material tape, the transmission set 130 includes a plurality of transmission rollers 131, the transmission rollers 131 are all rotatably disposed on the stand 110, the tension set 140 includes a step motor 141 and a tension roller 142, the step motor 141 is disposed on the stand 110, the tension roller 142 includes a roller body 142a and a plurality of arc-shaped half rings 142b, the roller body 142a is connected to a driving shaft of the step motor 141, each arc-shaped half ring 142b is connected to the roller body 142a, and each arc-shaped half ring 142b is uniformly distributed along a circumferential direction of the roller body 142 a.

As such, it should be noted that the rack 110 plays a role of carrying; the unwinding module 120 is used for unwinding the material belt; the transmission group 130 is used for transmitting the material belt; tensioning external member 140 plays the effect of guaranteeing the material area rate of tension, and at the in-process of material area transmission, step motor 141 can incessantly output power and rotate tensioning roller 142, because evenly be provided with a plurality of arc semi-rings 142b on the circumferencial direction of roll body 142a, arc semi-ring 142b can constantly with the material area contact and pat the material area, guarantee the rate of tension of material area in transmission course, prevent that the material area from appearing the problem of fold, take place the phenomenon of virtual seal when avoiding follow-up hot melt.

Referring to fig. 1 and fig. 3, the hot melting and cutting device 200 includes a base 210, a tape transmission module 220, a hot melting module 230 and a cutting module 240, the tape transmission module 220 is disposed on the base 210, the tape transmission module 220 is used for transmitting a tape, the hot melting module 230 includes a carrier 231, the cutting device comprises a lifting cylinder 232 and a hot pressing plate 233, the support plate 231 is arranged on the base platform 210, the lifting cylinder 232 is arranged on the support plate 231, the hot pressing plate 233 comprises a connecting plate 2331, a hot melting head 2332 and a spring 2333, the connecting plate 2331 is connected with a driving shaft of the lifting cylinder 232, a sliding column 2332a is arranged on the hot melting head 2332, the sliding column 2332a is arranged on the connecting plate 2331 in a sliding mode, the spring 2333 is sleeved on the sliding column 2332a, the spring 2333 is respectively abutted against the connecting plate 2331 and the hot melting head 2332, the cutting module 240 comprises a lifting cylinder 241 and a cutting plate 242, the lifting cylinder 241 is arranged on the base platform 210, and the cutting plate 242 is connected with the driving shaft of the lifting cylinder 241.

As such, it should be noted that the base 210 plays a role of bearing; the material belt transmission module 220 is used for transmitting the material belt; when the material area transmits to predetermined hot melt station department, lift cylinder 232 output power drive hot pressing board 233 pushes down, hot pressing board 233 moves towards the direction that is close to the material area promptly, hot melting head 2332 can contact with the material area, utilize the heat to accomplish the material area hot melt, because spring 2333 cover is located on the slip post, when hot pressing board 233 pushes down and carries out the hot melt to the material area, spring 2333 can play the effect of buffering, prevent that hot melting head 2332 from exerting too big and lead to the material area to break on the material area, can protect the material area effectively.

It should be noted that, when the material tape is transported to the predetermined cutting station, the lifting cylinder 241 drives the cutting plate 242 to move toward the material tape, and when the cutting plate 242 contacts the material tape, the material tape is cut, so as to cut the material tape into plastic bags.

It should be further noted that the arrangement of the material belt transmission module 220, the hot melting module 230 and the cutting module 240 can greatly improve the production efficiency of the plastic bag, and replace manual operation.

Referring to fig. 1 and 4, the blanking device 300 includes a blanking table 310, a rotating motor 320 and a jig table 330, wherein the blanking table 310 is provided with a plurality of blanking rollers 311, the rotating motor 320 is arranged on the blanking table 310, a driving shaft of the rotating motor is connected with one of the blanking rollers 311, and the jig table 330 is provided with a trough 331.

Therefore, it should be noted that, when the material tape is cut into plastic bags, the rotating motor 320 outputs power to rotate one of the discharging rollers 311, and the plastic bag slides along the discharging roller 311 into the trough 331 of the jig table 330.

Further, referring to fig. 1 again, in an embodiment, the unwinding module 120 includes an unwinding motor 121 and an unwinding roller 122, the unwinding motor 121 is disposed on the stand 110, and the unwinding roller 122 is connected to a driving shaft of the unwinding motor 121.

Therefore, it should be noted that, when the unwinding module 120 is started, the unwinding motor 121 outputs power to rotate the unwinding roller 122, so as to complete unwinding of the material belt.

Further, referring to fig. 3 again, in one embodiment, the material belt driving module 220 includes a driving motor 221, a sliding chain 222 and a plurality of material belt rollers 223, the driving motor 221 is disposed on the base 210, each material belt roller 223 is rotatably disposed on the base 210, a chain wheel 223a is disposed at an end of each material belt roller 223, each chain wheel 223a is in driving connection with the sliding chain 222, and one material belt roller 223 is connected with a driving shaft of the driving motor 221.

Thus, it should be noted that, when the material belt needs to be transported, the material belt is in transmission connection with each material belt roller 223, so that the transmission motor 221 outputs power to rotate the sliding chain 222, and all the material belt rollers 223 are driven to rotate, thereby realizing the rotation of the material belt.

Further, referring to fig. 4 again, in one embodiment, the blanking table 310 is provided with L-shaped corner pieces 312 at two sides.

In this way, it should be noted that the L-shaped corner piece 312 can play a role of limiting, and prevent the plastic bag from sliding down into the trough 331 due to a position deviation.

Further, referring to fig. 2 again, in one embodiment, the roller body 142a and each of the arc-shaped half rings 142b are integrally formed.

In this way, it should be noted that, the roller body 142a and the arc-shaped half rings 142b are designed to be an integrally formed structure, so that the overall mechanical strength of the tension roller 142 can be enhanced, and the service life of the tension roller 142 can be prolonged.

Further, referring to fig. 1 again, in one embodiment, the frame 110 is provided with a reinforcing rib 111.

In this manner, the weight capacity of the mount 110 can be enhanced by providing the ribs 111.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A plastic bag hot melt cutting apparatus comprising:

2. The plastic bag hot melt cutting equipment as claimed in claim 1, wherein the unwinding module comprises an unwinding motor and an unwinding roller, the unwinding motor is arranged on the stand, and the unwinding roller is connected with a driving shaft of the unwinding motor.

3. The plastic bag hot melting and cutting device according to claim 1, wherein the material belt transmission module comprises a transmission motor, a slide chain and a plurality of material belt rollers, the transmission motor is arranged on the base platform, each material belt roller is rotatably arranged on the base platform, a chain wheel is arranged at the end of each material belt roller, each chain wheel is in transmission connection with the slide chain, and one of the material belt rollers is connected with a driving shaft of the transmission motor.

4. A hot melt cutting apparatus for plastic bags according to any one of claims 1 to 3, wherein the blanking table is provided with L-shaped corner pieces at both side positions.

5. The plastic bag hot melt cutting apparatus of claim 1, wherein the roller body and each of the arcuate half rings are of an integrally formed construction.

6. The plastic bag hot melt cutting apparatus of claim 1, wherein the stand is provided with a stiffener.