阅读说明：本技术 一种石头纸流延成型设备 (Stone paper tape casting equipment ) 是由 胡继光 罗武权 施金亨 于 2020-02-29 设计创作，主要内容包括：本发明涉及流延膜生产技术领域,尤其涉及一种ABA膜的流延制造设备,包括机架、熔融机构、流延成型机构、裁切机构及边料回用机构,该边料回用机构包括传输部、切段部及混合部,传输部包括若干导向辊和导入组件；混合部包括混合仓、进行新料间断定量导入的存储部以及进行边料段与新料定比混合的混合组件,边料与新料在该混合区内接触混合后转移的同时,边料段将新料包覆于其内形成混合单元后进入熔融机构内进行液化处理；通过导入组件对边料进行定量传输控制切段部进行等距切段处理,再由混合组件以边料段包裹新料的方式,实现其两者的粘结配比,解决现有技术中存在的边料与新料容易熔融过程中易出现分层的技术问题。(The invention relates to the technical field of cast film production, in particular to casting manufacturing equipment of an ABA film, which comprises a rack, a melting mechanism, a casting forming mechanism, a cutting mechanism and an edge material recycling mechanism, wherein the edge material recycling mechanism comprises a transmission part, a cutting part and a mixing part, and the transmission part comprises a plurality of guide rollers and a guide-in assembly; the mixing part comprises a mixing bin, a storage part for carrying out intermittent quantitative introduction of new materials and a mixing component for carrying out constant-ratio mixing of the rim charge section and the new materials, the rim charge section coats the new materials in the mixing section to form a mixing unit and then enters the melting mechanism for liquefaction treatment while the rim charge and the new materials are contacted, mixed and transferred in the mixing area; carry out quantitative transmission control cutting part to the rim charge through leading-in subassembly and carry out equidistance dissection processing, again by the mode of mixing assembly with rim charge section parcel new material, realize its bonding ratio between them, solve the rim charge that exists among the prior art and easily appear the technical problem of layering with the easy melting in-process of new material.)

1. The utility model provides a stone paper curtain coating former, includes frame (1), set up and carry out melting mechanism (2) that the raw materials liquefaction was handled with the hot melt mode on this frame (1), will extrude through this melting mechanism (2) solution with the fashioned curtain coating forming mechanism (3) of curtain coating mode and be located the back workshop section of this curtain coating forming mechanism (3) and carry out the mechanism (4) that cuts of curtain coating membrane rim charge, its characterized in that still includes rim charge retrieval and utilization mechanism (5), this rim charge retrieval and utilization mechanism (5) include:

the conveying part (51), the conveying part (51) comprises a plurality of guide rollers (511) used for directionally conveying the continuous offcut cut by the cutting mechanism (4);

the trimming part (52) is guided and conveyed by the conveying part (51), the trimming is conveyed to the trimming part (52) by a guide roller (511), the trimming is subjected to fixed-length segmentation treatment by the trimming part (52), the trimming section is transferred by an introducing component (512) on the conveying part (51), and the introducing component (512) is in transmission connection with the trimming part (52); and

the mixing part (53) is communicated with the interior of the melting mechanism (2), comprises a mixing bin (531), a storage part (532) arranged on the mixing bin (531) for introducing new materials intermittently and quantitatively, and a mixing component (533) arranged in the mixing bin (531) for mixing the rim charge section and the new materials in a fixed ratio, and forms a mixing area (534) above the mixing component; the leftover materials and the new materials are contacted, mixed and transferred in the mixing area (534), and meanwhile, the new materials are coated on the leftover materials to form a mixing unit (535) through the action of the mixing component (533) and then enter the melting mechanism (2) for liquefaction treatment.

2. The stone paper tape casting equipment as claimed in claim 1, wherein the mixing bin (531) is arranged above the melting mechanism (2) and below the storage part (532), the puncturing part (52) is arranged at one side of the outside of the mixing bin (531), the mixing bin (531) comprises a feeding hole (5311) arranged at the side wall of the mixing bin and entering through the rim charge section, and the feeding hole (5311) and the puncturing part (52) are arranged at the same side.

3. The stone paper tape casting apparatus as claimed in claim 2, wherein said mixing assembly (533) is located below said feeding port (5311), and comprises a receiving member (5331) fixedly disposed on a side wall of said mixing chamber (531), a supporting member (5332) disposed on said receiving member (5331) for guiding a side material segment in a flat manner, and a new material spraying assembly (5333) disposed on two sides below said receiving member (5331).

4. The stone paper tape casting apparatus as claimed in claim 3, wherein said receiving member (5331) is a symmetrically arranged flat plate structure, said supporting member (5332) is a plurality of through holes arranged on said receiving member (5331) for passing through the air flow in the melting mechanism (2), and said new material spraying assembly (5333) is arranged along the vertical direction in a staggered manner.

5. The stone paper tape casting equipment as claimed in claim 1, wherein the leading-in component (512) comprises a driving roller (5121) which is arranged up and down, a transmission space (5122) which passes through the rim charge section is formed between the driving roller and the driving roller (5121), and the driving roller are arranged actively, and the driving roller are synchronous and reverse in turning direction.

6. The stone paper tape casting device as claimed in claim 5, wherein the puncturing part (52) comprises a guide rod (521) fixedly arranged on the frame (1), a puncturing knife (522) slidably sleeved on the guide rod (521), and a connecting rod (523) with two ends respectively in transmission connection with the transmission roller (5121) and the puncturing knife (522), and a hinge point of the connecting rod (523) and the transmission roller (5121) is eccentrically arranged on an end face of the transmission roller (5121).

7. The stone paper tape casting equipment as claimed in claim 1, wherein the melting mechanism (2) comprises a first melting part (21) for liquefying B film raw material and a second melting part (22) for liquefying the mixing unit (535), the solution extruded after being liquefied by the second melting part (22) is positioned at two sides of the extrusion solution after being liquefied by the first melting part (21), and the extrusion solution is cooled and formed by the tape casting mechanism (3) to form ABA film.

8. The stone paper tape casting apparatus as claimed in claim 1, wherein said casting mechanism (3) includes a first casting roller (31) and a second casting roller (32), said first casting roller (31) and said second casting roller (32) being horizontally disposed below said melting mechanism (2).

9. Stone paper tape casting apparatus as claimed in claim 8, characterized in that said first casting roll (31) and said second casting roll (32) are synchronized and turned in opposite directions.

Technical Field

The invention relates to the technical field of stone paper production, in particular to stone paper tape casting equipment.

Background

Cast films find wide application in production and life, for example, in the production of stone paper; in the production process of the casting film, the rim charge can be recycled after being mixed with the new material according to the proportion of not more than 10% after being cut on line, however, because the specific gravity of the rim charge is different from that of the new material, the rim charge and the new material are layered in the mixing process, and the quality of the casting film is poor due to uneven mixing.

The patent of application number CN201720534721.X discloses stone paper casting equipment, which comprises an extrusion device, a forming device, a traction device, a rim charge recovery device, a slitting device and a winding device, and is characterized in that an automatic mixing device is arranged on the upper side of one end of the extrusion device, a feeding hopper is arranged at the upper end of the automatic mixing device, and one side of the automatic mixing device is connected with the rim charge recovery device; one end of the traction device is provided with a corona device, the other end of the traction device is provided with a calendering roller and a traction roller, and the upper end of the calendering roller is provided with an adjusting cylinder; the rim charge recovery device comprises a crushing feeder, and one side of the crushing feeder is connected with the automatic mixing device through a vacuum pipeline; the winding device comprises an automatic coil changing device and an automatic coil discharging device.

For the films with multiple layers and different performance characteristics, the edge materials are recycled to form the inner film, and in order to reduce the production cost, the edge materials are recycled under the condition that the mass ratio of the edge materials to the new materials is not more than 1/9, so that the precondition of ensuring the quality of the casting film is reduced, the generation of production waste is reduced, and the production cost is reduced; in the field of cast film production at the present stage, the rim charge is mostly recycled to be mixed with a new material and then liquefied, and the rim charge is of a film structure, so that the rim charge is light in weight and large in surface area, and is easy to float in the melting process relative to a granular mechanism of the new material, so that the new material and the rim charge are layered, the uniformity of a cast solution is reduced, and the cast film is poor in quality.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides stone paper tape casting equipment, which is characterized in that a punching part is controlled to perform equidistant punching treatment when a leading-in component transmits a side material, and then a mixing component wraps the side material with a new material to realize the bonding proportion of the side material and the new material, thereby solving the technical problem that the side material and the new material are easy to delaminate in the melting process in the prior art.

In order to solve the technical problem, the invention provides stone paper tape casting equipment, which comprises a rack, a melting mechanism, a tape casting mechanism and a cutting mechanism, wherein the melting mechanism is arranged on the rack and is used for carrying out raw material liquefaction treatment in a hot melting mode, the tape casting mechanism is used for carrying out tape casting on solution extruded by the melting mechanism in a tape casting mode, the cutting mechanism is positioned at a rear section of the tape casting mechanism and is used for cutting edges of a tape casting film, the tape casting equipment also comprises an edge material recycling mechanism, and the edge material recycling mechanism comprises:

the conveying part comprises a plurality of guide rollers for directionally conveying the continuous rim charge cut by the cutting mechanism;

the edge material guided and transmitted by the transmission part is transmitted to the hole piercing part by a guide roller, and is subjected to fixed-length segmented processing by the hole piercing part, and then is subjected to edge material segment transfer by a guide-in component on the transmission part, wherein the guide-in component is in transmission connection with the hole piercing part; and

the mixing part is communicated with the interior of the melting mechanism and comprises a mixing bin, a storage part and a mixing assembly, wherein the storage part is arranged on the mixing bin and is used for carrying out discontinuous quantitative introduction of new materials, the mixing assembly is arranged in the mixing bin and is used for carrying out proportional mixing of a scrap section and the new materials, and a mixing area is formed above the mixing assembly; the edge material and the new material are contacted and mixed in the mixing area and then transferred, and simultaneously, the new material is coated on the edge material to form a mixing unit in the edge material under the action of the mixing component and then enters a melting mechanism for liquefaction treatment.

As an improvement, the mixing bin is arranged above the melting mechanism and below the storage part, the piercing part is arranged on one side outside the mixing bin, the mixing bin comprises a feed inlet arranged on the side wall of the mixing bin and entering through the rim charge section, and the feed inlet and the piercing part are arranged on the same side.

As an improvement, the mixing assembly is located below the feed inlet, and comprises a receiving part fixedly arranged on the side wall of the mixing bin, a susceptor part arranged on the receiving part and used for horizontally guiding the material section, and new material spraying assemblies arranged on two sides below the receiving part.

As an improvement, the receiving part is a flat plate structure which is symmetrically arranged, the supporting part is arranged on the receiving part and is used for being arranged through a plurality of through holes which are positioned in the melting mechanism and used for air flow to pass through, and the new material spraying assembly is arranged along the vertical direction in a staggered mode.

As the improvement, leading-in subassembly sets up including being the driving roller that sets up from top to bottom, forms the transmission space that passes through the rim charge section between the two, the driving roller is the initiative setting, and both are synchronous and turn to oppositely.

As an improvement, the hole pricking portion comprises a guide rod fixedly arranged on the rack, a hole pricking knife slidably sleeved on the guide rod, and a connecting rod, two ends of the connecting rod are respectively in transmission connection with the transmission roller and the hole pricking knife, and a hinge point of the connecting rod and the transmission roller is eccentrically arranged on the end face of the transmission roller.

In an improvement, the melting mechanism comprises a first melting part for liquefying the raw material of the B film and a second melting part for liquefying the mixing unit, the solution which is liquefied and extruded by the second melting part is positioned at two sides of the extrusion solution which is liquefied and extruded by the first melting part, and the solution is cooled and molded by the casting mechanism to form the ABA film.

As an improvement, the casting mechanism comprises a first casting roller and a second casting roller, and the first casting roller and the second casting roller are horizontally arranged below the melting mechanism.

As a refinement, the first casting roll and the second casting roll are synchronized and turned in opposite directions.

The invention has the beneficial effects that:

(1) according to the invention, after the hole punching part is used for punching the rim charge in a fixed-length sectional manner, the rim charge section is input to the mixing assembly in the vertical direction, the rim charge section and the new charge are subjected to preliminary preheating treatment by heat in the melting mechanism while the new charge falls on the rim charge section in a quantitative manner, so that the rim charge section and the new charge are bonded with each other, the rim charge section and the new charge are mixed and then fall in a sectional manner under the action of self gravity, and the mixing assembly is used for coating the rim charge section and the new charge while outputting the mixture, so that a mixing unit which is fixed in ratio and is not easy to scatter is formed, and the technical problem that the rim charge and the new charge are easy to delaminate in;

(2) according to the invention, the flowing space of hot air flow entering the conveying pipe through the melting mechanism is reduced through the guide part, so that more hot air flow is contained below the guide part, the softening speed of the rim charge and the new charge in the preheating zone is improved, the adhesion proportioning efficiency of the rim charge and the new charge is further accelerated, the rim charge is coiled to coat the new charge particles, and the proportional mixing effect is improved;

(3) in the invention, the supporting pieces which are symmetrically and rotatably arranged are used for supporting the edge material section, and meanwhile, the supporting pieces arranged on the supporting pieces are used for transmitting the heat in the melting mechanism to the edge material section for carrying out preheating treatment on the edge material section, so that the cohesiveness of the edge material and the new material is improved, the scattering rate of the new material is reduced, and the matching accuracy of the edge material and the new material is improved;

(4) according to the invention, the new material injection assembly is arranged in a vertically staggered manner, and the air outlets on the two sides of the new material injection assembly form shearing force relative to the rim charge, so that the fixed-length breaking of the rim charge at the position of the binding hole is effectively realized.

In conclusion, the invention has the advantages of recycling the rim charge, realizing quantitative proportioning with the new material, equally dividing, optimizing the mixing uniformity and the like.

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 description of the embodiments are briefly introduced below, and it is obvious that the drawings described below 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 creative efforts.

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a cross-sectional partial enlarged view of the mixing section;

FIG. 3 is one of the schematic views of the mixing section;

FIG. 4 is a second schematic view of the mixing section;

FIG. 5 is an enlarged view of the point A in FIG. 1;

FIG. 6 is a schematic view of the rim charge punching process;

FIG. 7 is a side partially enlarged view of the melting mechanism;

fig. 8 is an ABA film casting state diagram.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.