阅读说明：本技术 一种用于全生物降解吹膜机的控制系统及其控制方法 (Control system and control method for full-biodegradation film blowing machine ) 是由 王鹏伟 于 2020-12-24 设计创作，主要内容包括：本发明公开一种用于全生物降解吹膜机的控制系统,包括投料控制模块、送料控制模块、吹膜控制模块、收卷控制模块四大控制模块和第一无线收发模块、中央处理模块、第二无线收发模块、人机交互模块、紧急停止模块,还公开其相应的控制方法,本发明的控制系统通过无线收发模块消除了现有技术中吹膜机的杂乱排线,提高设备安全性的同时大大提高了设备的自动化水平,使得控制箱与吹膜机各个机构之间的控制更为快速稳定,可以达到精准控制,大大提高了吹膜工艺的生产效率以及成品质量。(The invention discloses a control system for a full-biodegradation film blowing machine, which comprises four control modules, namely a feeding control module, a film blowing control module and a winding control module, a first wireless transceiving module, a central processing module, a second wireless transceiving module, a man-machine interaction module and an emergency stop module, and also discloses a corresponding control method of the control system.)

1. A control system for a full-biodegradation film blowing machine, comprising:

the feeding control module: used for controlling the pretreatment and quantitative feeding of raw materials;

a feeding control module: the device is used for controlling the pushing and plasticizing treatment of the raw materials;

a film blowing control module: the film blowing molding device is used for controlling the film blowing molding of the fluid raw material;

a winding control module: the winding device is used for controlling the stable winding of the formed film;

the first wireless transceiving module: the wireless transceiver module is used for acquiring real-time parameter data information on each control module and transmitting the real-time parameter data information to the second wireless transceiver module in a wireless communication mode; the control instruction information used for receiving the second wireless transceiving module is correspondingly transmitted to each control module;

a central processing module: the control module is used for receiving the parameter data information sent by the second wireless transceiver module and feeding back and sending control instruction information for controlling each control module to the second wireless transceiver module;

the second wireless transceiving module: the wireless transceiver module is used for acquiring control instruction information sent by a central processing module of the first wireless transceiver module and sending the control instruction information to the first wireless transceiver module in a wireless communication mode; the wireless transceiver module is used for receiving parameter data information of the first wireless transceiver module and transmitting the parameter data information to the central processing module;

a human-computer interaction module: the system is used for displaying real-time information of a control system, manually adjusting parameter data information and control instruction information and maintaining stable operation of equipment;

an emergency stop module: the emergency control central processing module sends out control instruction information for closing all the control modules.

2. The control system for the full-biodegradation film blowing machine according to claim 1, wherein the feeding control module comprises a material sucking sub-control module, a pretreatment sub-control module and a first constant quantum control module:

the material suction sub control module is used for controlling automatic suction of raw materials to finish primary feeding of the raw materials;

the pretreatment sub-control module is used for controlling the material screening, impurity removal and drying of the raw materials;

the first constant quantum control module is used for quantitatively controlling the input amount of the raw materials each time.

3. The control system for the full-biodegradation film blowing machine according to claim 1, wherein the feeding control module comprises a first temperature sub-control module and a material pushing sub-control module:

the first temperature sub-control module is used for controlling the real-time plasticizing temperature in the feeding process;

the material pushing sub-control module is used for controlling the rotary feeding speed of the feeding screw rod.

4. The control system of claim 1, wherein the film blowing control module comprises a second temperature sub-control module, a die head sub-control module, a second quantitative sub-control module and a pressure control module:

the second temperature sub-control module is used for controlling the real-time working temperature of the die head;

the die head sub-control module is used for controlling the rotation of the die head and the film blowing rate;

the second quantitative sub-control module is used for controlling the feeding amount of the gear metering pump;

and the pressure intensity sub-control module is used for controlling the working pressure intensities of the gear metering pump, the feeding pipeline and the die head.

5. The control system for the full-biodegradation film blowing machine according to claim 1, wherein the rolling control module comprises a third temperature sub-control module and a rolling sub-control module:

the third temperature sub-control module is used for adjusting the real-time temperature of the traction channel and assisting the upward traction of the formed film;

and the winding sub-control module is used for controlling the winding mechanism to uniformly wind the film.

6. A control method for a control system of a full-biodegradation film blowing machine is characterized by comprising the following steps:

s1, parameter data information is preset through the man-machine interaction module, and the central processing module generates first control instruction information according to the preset parameter data information and transmits the first control instruction information to the corresponding control modules respectively;

s2, the control module operates according to preset parameter data information and first control instruction information, and feeds back real-time parameter data information to the central processing module, the central processing module generates second control instruction information according to the real-time parameter data information, and respectively transmits the second control instruction information to the corresponding control modules, and the steps are repeated until the film blowing process is completed;

the control module comprises a feeding control module, a film blowing control module and a traction control module, and wireless communication between the central processing module and each control module is realized by means of the first wireless transceiving module and the second wireless transceiving module.

7. The control method for the control system of the full biodegradation film blowing machine according to claim 6, wherein the preset parameter data information comprises: the device comprises a feeding quality, a drying temperature interval, a drying fan operating frequency, a driving motor operating power, a plasticizing temperature interval, a heat preservation temperature interval, a die head operating power, a feeding quantity of a gear metering pump, a die head pressure interval, a cooling temperature interval, a traction clamping roller operating power and a winding roller operating power; the first control instruction information is process flow information of a film blowing process, and specifically comprises the following steps: feeding, feeding and film blowing and winding; the second control instruction information is the control instruction information automatically generated by the central processing module in order to realize the first control instruction information, and comprises the operation mode, the operation data and the stop operation of the control module.

8. The control method for the control system of the full biodegradation film blowing machine according to claim 7, wherein when the first control instruction information is feeding, said step S2 specifically comprises:

the feeding control module firstly controls the material suction sub-control module to suck the raw materials according to the first control instruction information and the preset parameter data information; then controlling the pretreatment sub-control module to adjust the drying temperature interval and the operation frequency of the drying fan, and screening, removing impurities and drying the raw materials; finally, controlling a first constant quantum control module to adjust the feeding quality and quantitatively feeding the raw materials; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, feeding is finally completed, and the feeding control module is controlled to stop operating.

9. The control method for the control system of the full biodegradation film blowing machine according to claim 7, wherein when the first control instruction information is feeding, said step S2 specifically comprises:

the feeding control module firstly controls the first temperature sub-control module to adjust a plasticizing temperature interval according to the first control instruction information and preset parameter data information; the material pushing sub-control module is controlled to adjust the running power of the driving motor and drive the feeding screw rod to feed; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to the preset parameter data information, finally, feeding is finished, and the feeding control module is controlled to stop operating.

10. The control method for the control system of the full biodegradation film blowing machine according to claim 7, wherein when the first control instruction information is film blowing winding, said step S2 specifically includes:

the film blowing control module firstly controls the second temperature sub-control module to adjust a heat preservation temperature interval and controls the pressure sub-control module to adjust pressure intervals of the gear metering pump, the feeding pipeline and the die head according to the first control instruction information and preset parameter data information; then controlling a second quantitative sub-control module to adjust the feeding amount of the gear metering pump; finally, controlling a die head sub-control module to adjust the running power of the die head;

the coiling sub-control module firstly controls the third temperature sub-control module to adjust the cooling temperature interval according to the first control instruction information and the preset parameter data information; then controlling a rolling sub-control module to adjust the running power of the traction clamping roller and the running power of the rolling roller, and uniformly rolling the film;

and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, film blowing and winding are finally completed, and the traction control module and the winding control module are controlled to stop operating.

Technical Field

The invention relates to the technical field of control equipment of film blowing machines, in particular to a control system for a full-biodegradation film blowing machine and a control method for the control system of the full-biodegradation film blowing machine.

Background

The inflation film manufacturing machine is the machine that melts the plastic pellet heating and then blows into the film, and the inflation film manufacturing machine divide into a lot of, has PE, POF, PVC etc. what blow off with brand-new particle is new material, and the color and luster is all called, and is clean, and the bag is tensile good, and its course of working is: adding dried polyethylene particles into a lower hopper, feeding the polyethylene particles into a screw rod from the hopper by the weight of the particles, after the granules are contacted with the inclined edges of the screw rod, generating a thrust force which is vertical to the inclined edges by the rotating inclined edges to plastic, pushing the plastic particles forwards, gradually melting the plastic particles due to the friction between the plastic and the screw rod and between the plastic and a machine barrel and the collision friction between the particles in the pushing process, filtering the molten plastic by a machine head to remove impurities, discharging the molten plastic from a die head die orifice, cooling the molten plastic by an air ring, blowing the molten plastic by a herringbone plate and a traction roller, and coiling the finished film to form a cylinder.

However, most existing film blowing machines are simple in control system, low in automation degree, messy in winding displacement and capable of causing certain potential safety hazards, and the problems that information transmission speed is low, feedback is not timely and the like often exist through wired control, so that the existing film blowing machines are poor in production efficiency, low in automation degree and not accurate enough in control of finished product quality.

Disclosure of Invention

Aiming at the problems, the invention provides a control system for a full-biodegradation film blowing machine and a control method for the control system for the full-biodegradation film blowing machine, and mainly solves the problems in the background technology.

The invention provides a control system for a full-biodegradation film blowing machine, which comprises:

the feeding control module: used for controlling the pretreatment and quantitative feeding of raw materials;

a feeding control module: the device is used for controlling the pushing and plasticizing treatment of the raw materials;

a film blowing control module: the film blowing molding device is used for controlling the film blowing molding of the fluid raw material;

a winding control module: the winding device is used for controlling the stable winding of the formed film;

the first wireless transceiving module: the wireless transceiver module is used for acquiring real-time parameter data information on each control module and transmitting the real-time parameter data information to the second wireless transceiver module in a wireless communication mode; the control instruction information used for receiving the second wireless transceiving module is correspondingly transmitted to each control module;

a central processing module: the control module is used for receiving the parameter data information sent by the second wireless transceiver module and feeding back and sending control instruction information for controlling each control module to the second wireless transceiver module;

the second wireless transceiving module: the wireless transceiver module is used for acquiring control instruction information sent by a central processing module of the first wireless transceiver module and sending the control instruction information to the first wireless transceiver module in a wireless communication mode; the wireless transceiver module is used for receiving parameter data information of the first wireless transceiver module and transmitting the parameter data information to the central processing module;

a human-computer interaction module: the system is used for displaying real-time information of a control system, manually adjusting parameter data information and control instruction information and maintaining stable operation of equipment;

an emergency stop module: the emergency control central processing module sends out control instruction information for closing all the control modules.

The further improvement lies in that the feeding control module comprises a material sucking sub-control module, a preprocessing sub-control module and a first constant quantum control module:

the material suction sub control module is used for controlling automatic suction of raw materials to finish primary feeding of the raw materials;

the pretreatment sub-control module is used for controlling the material screening, impurity removal and drying of the raw materials;

the first constant quantum control module is used for quantitatively controlling the input amount of the raw materials each time.

The further improvement lies in that the feeding control module comprises a first temperature sub-control module and a material pushing sub-control module:

the first temperature sub-control module is used for controlling the real-time plasticizing temperature in the feeding process;

the material pushing sub-control module is used for controlling the rotary feeding speed of the feeding screw rod.

The further improvement lies in that the film blowing control module comprises a second temperature sub-control module, a die head sub-control module, a second quantitative sub-control module and a pressure control module:

the second temperature sub-control module is used for controlling the real-time working temperature of the die head;

the die head sub-control module is used for controlling the rotation of the die head and the film blowing rate;

the second quantitative sub-control module is used for controlling the feeding amount of the gear metering pump;

and the pressure intensity sub-control module is used for controlling the working pressure intensities of the gear metering pump, the feeding pipeline and the die head.

The further improvement lies in that the rolling control module comprises a third temperature sub-control module and a rolling sub-control module:

the third temperature sub-control module is used for adjusting the real-time temperature of the traction channel and assisting the upward traction of the formed film;

and the winding sub-control module is used for controlling the winding mechanism to uniformly wind the film.

The second aspect of the invention provides a control method for a control system of a full-biodegradation film blowing machine, which comprises the following steps:

s1, parameter data information is preset through the man-machine interaction module, and the central processing module generates first control instruction information according to the preset parameter data information and transmits the first control instruction information to the corresponding control modules respectively;

s2, the control module operates according to preset parameter data information and first control instruction information, and feeds back real-time parameter data information to the central processing module, the central processing module generates second control instruction information according to the real-time parameter data information, and respectively transmits the second control instruction information to the corresponding control modules, and the steps are repeated until the film blowing process is completed;

the control module comprises a feeding control module, a film blowing control module and a traction control module, and wireless communication between the central processing module and each control module is realized by means of the first wireless transceiving module and the second wireless transceiving module.

In a further improvement, the preset parameter data information includes: the device comprises a feeding quality, a drying temperature interval, a drying fan operating frequency, a driving motor operating power, a plasticizing temperature interval, a heat preservation temperature interval, a die head operating power, a feeding quantity of a gear metering pump, a die head pressure interval, a cooling temperature interval, a traction clamping roller operating power and a winding roller operating power; the first control instruction information is process flow information of a film blowing process, and specifically comprises the following steps: feeding, feeding and film blowing and winding; the second control instruction information is the control instruction information automatically generated by the central processing module in order to realize the first control instruction information, and comprises the operation mode, the operation data and the stop operation of the control module.

In a further improvement, when the first control instruction information is feeding, the step S2 specifically includes:

the feeding control module firstly controls the material suction sub-control module to suck the raw materials according to the first control instruction information and the preset parameter data information; then controlling the pretreatment sub-control module to adjust the drying temperature interval and the operation frequency of the drying fan, and screening, removing impurities and drying the raw materials; finally, controlling a first constant quantum control module to adjust the feeding quality and quantitatively feeding the raw materials; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, feeding is finally completed, and the feeding control module is controlled to stop operating.

A further improvement is that, when the first control instruction information is feeding, the step S2 specifically includes:

the feeding control module firstly controls the first temperature sub-control module to adjust a plasticizing temperature interval according to the first control instruction information and preset parameter data information; the material pushing sub-control module is controlled to adjust the running power of the driving motor and drive the feeding screw rod to feed; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to the preset parameter data information, finally, feeding is finished, and the feeding control module is controlled to stop operating.

A further improvement is that, when the first control instruction information is blown film winding, the step S2 specifically includes:

the film blowing control module firstly controls the second temperature sub-control module to adjust a heat preservation temperature interval and controls the pressure sub-control module to adjust pressure intervals of the gear metering pump, the feeding pipeline and the die head according to the first control instruction information and preset parameter data information; then controlling a second quantitative sub-control module to adjust the feeding amount of the gear metering pump; finally, controlling a die head sub-control module to adjust the running power of the die head;

the coiling sub-control module firstly controls the third temperature sub-control module to adjust the cooling temperature interval according to the first control instruction information and the preset parameter data information; then controlling a rolling sub-control module to adjust the running power of the traction clamping roller and the running power of the rolling roller, and uniformly rolling the film;

and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, film blowing and winding are finally completed, and the traction control module and the winding control module are controlled to stop operating.

Compared with the prior art, the invention has the beneficial effects that:

the control system of the invention eliminates the messy winding displacement of the film blowing machine in the prior art through the wireless transceiving module, improves the safety of the equipment, greatly improves the automation level of the equipment, leads the control between the control box and each mechanism of the film blowing machine to be more rapid and stable, can achieve accurate control, and greatly improves the production efficiency and the finished product quality of the film blowing process.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

FIG. 1 is a schematic diagram of the overall structure of a control system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a feeding control module according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a feed control module according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a blown film control module according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a rolling control module according to an embodiment of the present invention;

FIG. 6 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 7 is a schematic plan view of an embodiment of the present invention;

FIG. 8 is a partial schematic view of an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of a feeding mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic view of the overall structure of a feed screw according to an embodiment of the present invention;

FIG. 11 is a schematic view of the overall structure of a traction mechanism according to an embodiment of the present invention;

fig. 12 is a schematic view of the overall structure of the winding mechanism according to an embodiment of the present invention;

wherein: 1. a feeding mechanism; 11. a feed pipe; 12. a full-automatic material suction machine; 13. a dryer; 131. an electric heater; 132. a temperature sensor; 133. a magnetic material layer; 134. drying the fan; 14. a weighing machine; 15. a feed port; 16. a first solenoid valve; 17. a second solenoid valve; 18. a third electromagnetic valve; 19. a weight sensor; 2. a feeding mechanism; 21. a speed reducer; 22. a feed pipe; 23. a first electric heating sheet; 24. a first fan; 25. a second electric heating sheet; 26. a second fan; 27. a third electric heating sheet; 28. a third fan; 29. a feed screw; 291. a connector; 292. a first feeding zone; 293. a first mixing zone; 294. a second feeding zone; 295. a forced pressurization feeding area; 296. a second mixing area; 3. a film blowing mechanism; 31. a gear metering pump; 32. a feed pump; 33. rotating the die head; 34. a feed inlet; 35. a film blowing opening; 36. an upper cooling air ring; 361. a first air duct; 37. a lower cooling air ring; 371. connecting the air port; 372; a second air duct; 38. heat preservation paster; 4. a traction mechanism; 41. fixing a bracket; 42. a herringbone plate; 43. a first guide tube; 44. a second guide tube; 45. a first guide roller; 46. a traction nip roll; 5. a winding mechanism; 51. a fixed frame; 52. a second guide roller; 53. a third guide roller; 54. a fourth guide roller; 55. a wind-up roll; 56. a collecting roller; 6. a control box; 61. a control panel.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1, a first aspect of the present invention provides a control system for a full biodegradation film blowing machine, including:

the feeding control module: used for controlling the pretreatment and quantitative feeding of raw materials;

a feeding control module: the device is used for controlling the pushing and plasticizing treatment of the raw materials;

a film blowing control module: the film blowing molding device is used for controlling the film blowing molding of the fluid raw material;

a winding control module: the winding device is used for controlling the stable winding of the formed film;

the first wireless transceiving module: the wireless transceiver module is used for acquiring real-time parameter data information on each control module and transmitting the real-time parameter data information to the second wireless transceiver module in a wireless communication mode; the control instruction information used for receiving the second wireless transceiving module is correspondingly transmitted to each control module;

a central processing module: the control module is used for receiving the parameter data information sent by the second wireless transceiver module and feeding back and sending control instruction information for controlling each control module to the second wireless transceiver module;

the second wireless transceiving module: the wireless transceiver module is used for acquiring control instruction information sent by a central processing module of the first wireless transceiver module and sending the control instruction information to the first wireless transceiver module in a wireless communication mode; the wireless transceiver module is used for receiving parameter data information of the first wireless transceiver module and transmitting the parameter data information to the central processing module;

a human-computer interaction module: the system is used for displaying real-time information of a control system, manually adjusting parameter data information and control instruction information and maintaining stable operation of equipment;

an emergency stop module: the emergency control central processing module sends out control instruction information for closing all the control modules.

It should be noted that the control system for the full-biodegradation film blowing machine of the present invention is used in combination with the film blowing machine, and for the consideration of auxiliary understanding, a film blowing machine is disclosed for supplementary explanation, please refer to fig. 7 to 12, the film blowing machine comprises a feeding mechanism 1, a feeding mechanism 2, a film blowing mechanism 3, a traction mechanism 4, a winding mechanism 5 and a control box 6, the feeding mechanism 1 is connected with the feeding mechanism 2, the feeding mechanism 2 is connected with the film blowing mechanism 3, the feeding mechanism 1 is used for feeding and pre-treating raw materials, the feeding mechanism 2 is used for pushing and plasticizing raw materials, the film blowing mechanism 3 is used for blowing and molding raw materials, the traction mechanism 4 is arranged above the film blowing mechanism 3, the traction mechanism 4 is used for pulling a film to the winding mechanism 5, the control box 6 is provided with a control panel 61, the control panel 61 is used for controlling the normal operation of the feeding mechanism 1, the feeding mechanism 2, the film blowing mechanism 3, the traction mechanism 4 and the winding mechanism 5.

Preferably, wireless communication transceivers are arranged in the control box 6, on the feeding mechanism 1, the feeding mechanism 2, the film blowing mechanism 3, the traction mechanism 4 and the winding mechanism 5, so that wireless communication control of the control box 6 and the whole mechanism of the film blowing equipment is realized, the defect of disorder of traditional flat cables can be overcome, control instructions can be transmitted more quickly, various technological parameters in the film blowing technological process can be controlled more accurately, and the quality of finished products and the production efficiency are improved.

It is understood that the feeding control module of the present invention is mounted on the feeding mechanism 1 for cooperation, the feeding control module is mounted on the feeding mechanism 2 for cooperation, the film blowing control module is mounted on the film blowing mechanism 3 for cooperation, the winding control module is mounted on the drawing mechanism 4 and the winding mechanism 5 for cooperation, the control box 6 is mounted with a central processing module and a second wireless transceiver module, and the human-computer interaction module is embodied on the control panel 61, and the above mechanisms are each mounted with a first wireless transceiver module.

Specifically, the feeding mechanism 1 comprises a full-automatic suction machine 12, a drying machine 13 and a weighing machine 14, wherein a feeding pipe 11 is arranged on the full-automatic suction machine 12, the feeding pipe 11 is connected with a storage tank, the bottom of the full-automatic suction machine 12 is connected with the top of the drying machine 13 through a pipeline, the bottom of the drying machine 13 is connected with the weighing machine 14 through a pipeline, a weight sensor 19 is arranged inside the weighing machine 14, a feeding port 15 is arranged at the bottom of the weighing machine 14, the feeding port 15 is connected with the feeding mechanism 2, a first electromagnetic valve 16 is arranged on a pipeline connecting the full-automatic suction machine 12 and the drying machine 13, a second electromagnetic valve 17 is arranged on a pipeline connecting the drying machine 13 and the weighing machine 14, and a third electromagnetic valve 18 is arranged at the feeding port 15.

Specifically, the full-automatic suction machine 12 is connected with a vacuum pump for creating a vacuum environment inside the full-automatic suction machine 12, so that the feeding mechanism 1 can suck and receive materials, the raw materials sucked into the full-automatic suction machine 12 enter the drying machine 13 through the on-off control of the first electromagnetic valve 16, the raw materials enter the weighing machine 14 through the on-off control of the second electromagnetic valve 17 after being subjected to simple pretreatment inside the drying machine 13, the quality of the raw materials entering the feeding mechanism 2 at each time can be accurately controlled by the weight sensor 19, and the raw materials enter the feeding mechanism 2 through the on-off control of the third electromagnetic valve 18, so that the quantitative feeding function is realized.

Specifically, an electric heater 131 is disposed at the upper portion inside the dryer 13, a magnetic material layer 133 is disposed at the middle portion inside the dryer 13, the magnetic material layer 133 is used for adsorbing metal impurities mixed in the raw material, a drying fan 134 is disposed at the bottom inside the dryer 13, and a temperature sensor 132 is further disposed on the inner wall of the dryer 13.

Specifically, the electric heater 131 is used for raising the temperature of the inside of the dryer 13, keeping a relatively high-temperature environment, simply drying the raw material, removing redundant moisture in the raw material, and improving the quality of the finished product, meanwhile, the magnetic material layer 133 can adsorb metal impurities mixed in the raw material, further purifying the raw material, and improving the quality of the finished product, and the drying fan 134 is used for stirring the raw material entering the dryer 13, so that the raw material particles are continuously disturbed in the dryer 13, on one hand, the drying efficiency can be accelerated, and on the other hand, the metal impurities mixed in the raw material can be exposed in the magnetic material layer 133 through the irregular movement of the raw material particles in the dryer 13, and further purifying the raw material.

As a preferred embodiment of the present invention, the feeding control module comprises a material suction sub-control module, a pretreatment sub-control module and a first constant quantum control module:

the material suction sub control module is used for controlling automatic suction of raw materials to finish primary feeding of the raw materials;

the pretreatment sub-control module is used for controlling the material screening, impurity removal and drying of the raw materials;

the first constant quantum control module is used for quantitatively controlling the input amount of the raw materials each time.

It can be understood that the material suction sub-control module is carried in the full-automatic material suction machine 12, the pretreatment sub-control module is carried in the drying machine 13, the first constant sub-control module is carried in the weighing machine 14, and system control is realized through various hardware.

Specifically, the feeding mechanism 2 includes a driving motor, a feeding pipe 22, a heating module and a feeding screw 29, the feeding screw 29 is fixedly connected with an output end of a speed reducer 21, the speed reducer 21 is connected with an output end of the driving motor, the driving motor is used for controlling rotation of the feeding screw 29, the feeding screw 29 is arranged inside the feeding pipe 22, a feeding port is formed in a position of the feeding pipe 22 close to the speed reducer 21, the feeding port is connected with the feeding mechanism 1, three heating modules, namely a first electric heating plate 23, a second electric heating plate 25 and a third electric heating plate 27, are sequentially arranged on the feeding pipe 22 from left to right, a first fan 24, a second fan 26 and a third fan 28 are respectively arranged at positions of the lower end of the feeding pipe 22 corresponding to the first electric heating plate 23, the second electric heating plate 25 and the third electric heating plate 27, one end of the feeding pipe 22 far away from the speed reducer 21 is connected with the film blowing mechanism 3.

Specifically, three heating module is respectively to the heating intensification is carried out to different positions of conveying pipe 22, can be more nimble according to the raw materials be in the different stages that different positions were in conveying pipe 22 are controlled the temperature, can reduce energy loss on the one hand, guarantee that the heat just can reach the temperature of melting raw materials, can protect conveying pipe 22 and inside feeding screw 29 on the one hand, improve feeding screw 29's life, and three below of heating module all is provided with fan and temperature sensor 132 for help reducing in real time heating module's temperature.

Specifically, the feeding screw 29 includes a connector 291 and a screw body, the connector 291 is fixedly connected to the output end of the speed reducer 21, and a first feeding area 292, a first mixing area 293, a second feeding area 294, a forced pressurizing feeding area 295 and a second mixing area 296 are sequentially arranged on the screw body from left to right.

More specifically, the first feeding area 292 is used for preliminary feeding, the raw material slowly enters the irradiation range of the first electric heating plate 23 under the pushing of the feeding screw 29, and is gradually heated and plasticized, the raw material which is in a fluid state is fully mixed after entering the first mixing area 293, so that the fluids between the raw materials can be mutually blended, the first mixing area 293 is in the irradiation range of the second electric heating plate 25, and the fluid is more uniform through higher temperature, the plasticization of the raw material is more complete, and then the raw material enters the forced pressurization feeding area 295 through the second feeding area 294, which is just in the irradiation range of the third electric heating plate 27, and the high temperature and high pressure environment can further plasticize the raw material, and enters the film blowing mechanism 3 after the second mixing area 296 for film blowing. In the invention, the feeding screw 29 is designed in a partition mode, so that the raw materials are fully fused in the feeding process, the finished product of the prepared fluid raw material is more uniform and fine, and the product quality after film blowing forming is greatly improved.

Preferably, the first electric heating plate 23 is located corresponding to the first feeding area 292, the second electric heating plate 25 is located corresponding to the first mixing area 293, and the third electric heating plate 27 is located corresponding to the forced pressure feeding area 295.

Preferably, the temperature range of the heating module is 60-170 ℃.

As a preferred embodiment of the present invention, the feeding control module includes a first temperature sub-control module and a material pushing sub-control module:

the first temperature sub-control module is used for controlling the real-time plasticizing temperature in the feeding process;

the material pushing sub-control module is used for controlling the rotary feeding speed of the feeding screw rod.

The first temperature sub-control module is arranged on the heating module, the material pushing sub-control module is arranged on the driving motor, and system control is achieved through various hardware.

Specifically, the film blowing mechanism 3 comprises a gear metering pump 31, a feeding pump 32 and a rotary die head 33, wherein a feeding end of the gear metering pump 31 is connected with the feeding mechanism 2, a discharging end of the gear metering pump 31 is connected with a feeding end of the feeding pump 32, a discharging end of the feeding pump 32 is connected with a feeding hole 34 of the rotary die head 33, a film blowing port 35 is formed in the top of the rotary die head 33, and heat-insulating patches 38 are arranged on the outer surface of the rotary die head 33 and the outer surface of the feeding pump 32.

Specifically, the gear metering pump 31 is mainly used for accurately metering the fluid raw material entering the film blowing mechanism 3, controlling the thickness and toughness of the finished product more accurately, and entering the rotary die head 33 for film blowing under the pumping of the feeding pump 32, and the heat-insulating patch 38 can maintain the temperature of the fluid raw material in the rotary die head 33, so as to prevent the fluid raw material from being cured in advance due to temperature reduction and affecting the quality of the finished product.

Specifically, an upper cooling air ring 36 is arranged at the upper part of the rotary die head 33, a lower cooling air ring 37 is arranged at the lower part of the rotary die head 33, a second air pipe 372 is arranged on the lower cooling air ring 37, the second air pipe 372 is connected with a cooling fan, a first air pipe 361 is arranged on the upper cooling air ring 36, and the first air pipe 361 is connected with a connecting air opening 371 arranged on the lower cooling air ring 37.

Specifically, the upper cooling air ring 36 and the lower cooling air ring 37 can assist the rotating module to complete film blowing, and give upward climbing force to the film, and also can reduce the temperature of the surface of the film blowing opening 35, assist the curing and forming of the film, and improve the quality of the finished product.

As a preferred embodiment of the present invention, the film blowing control module comprises a second temperature sub-control module, a die head sub-control module, a second quantitative sub-control module and a pressure control module:

the second temperature sub-control module is used for controlling the real-time working temperature of the die head;

the die head sub-control module is used for controlling the rotation of the die head and the film blowing rate;

the second quantitative sub-control module is used for controlling the feeding amount of the gear metering pump;

and the pressure intensity sub-control module is used for controlling the working pressure intensities of the gear metering pump, the feeding pipeline and the die head.

It can be understood that the second temperature sub-control module of the present invention is mounted on the heat-insulating patch 38, the die head sub-control module and the pressure sub-control module are mounted on the rotary die head 33, and the second quantitative sub-control module is mounted on the gear metering pump 31, and the system control is realized through various hardware.

Specifically, the traction mechanism 4 comprises a fixed support 41, a herringbone plate 42 and a traction clamping roller 46, the fixed support 41 is fixedly arranged right above the rotary die head 33, the herringbone plate 42 is arranged above the fixed support 41 in an eight-shaped manner, the traction clamping roller 46 is arranged above the herringbone plate 42, the traction clamping roller 46 is used for drawing the thin film to the winding mechanism 5, and the fixed support 41 is further provided with a first guide roller 45.

Specifically, the film climbing upward gradually enters the traction nip roller 46 under the guidance of the herringbone plate 42 to complete the primary winding, and enters the winding mechanism 5 under the guidance of the first guide roller 45.

Specifically, the fixing bracket 41 is further provided with a first guide pipe 43 and a second guide pipe 44, the first guide pipe 43 is arranged right below the herringbone plate 42 and is transversely arranged, the second guide pipe 44 is arranged right below the first guide pipe 43 and is perpendicular to the first guide pipe 43, a rectangular area formed by matching the first guide pipe 43 and the second guide pipe 44 is an ascending channel of a thin film, the first guide pipe 43 and the second guide pipe 44 are one of a carbon fiber pipe, a metal square pipe or a plastic square pipe, a plurality of inclined air ports are formed in the first guide pipe 43 and the second guide pipe 44, and the first guide pipe 43 and the second guide pipe 44 are respectively connected with the cooling fan through a pipeline.

Preferably, the second guide pipe 44 is further provided with a plurality of thermal infrared thermometers, and the thermal infrared thermometers can detect the surface temperature of the film close to the guide pipe in real time, and adjust the air output of the air port according to the detected temperature, so as to further accelerate the forming speed of the film.

Specifically, winding mechanism 5 includes fixed frame 51, rotating electrical machines, wind-up roll 55 and collecting roller 56, be provided with second deflector roll 52, third deflector roll 53 and fourth deflector roll 54 on the fixed frame 51 respectively, second deflector roll 52, third deflector roll 53 and fourth deflector roll 54 are used for cooperating first deflector roll 45 draws the film to wind-up roll 55, the rotation axis and the rotating electrical machines of wind-up roll 55 pass through belt transmission and are connected, just the adjacent position of wind-up roll 55 is provided with collecting roller 56, collecting roller 56 is used for collecting the film finished product.

As a preferred embodiment of the present invention, the winding control module includes a third temperature sub-control module and a winding sub-control module:

the third temperature sub-control module is used for adjusting the real-time temperature of the traction channel and assisting the upward traction of the formed film;

and the winding sub-control module is used for controlling the winding mechanism to uniformly wind the film.

It can be understood that the third temperature sub-control module of the present invention is mounted on the cooling air ring and the guide pipe, and the winding sub-control module is mounted on the driving motors of the traction nip roller 46 and the winding roller 55, and the system control is realized through various hardware.

The second aspect of the invention provides a control method for a control system of a full-biodegradation film blowing machine, which comprises the following steps:

s1, parameter data information is preset through the man-machine interaction module, and the central processing module generates first control instruction information according to the preset parameter data information and transmits the first control instruction information to the corresponding control modules respectively;

s2, the control module operates according to preset parameter data information and first control instruction information, and feeds back real-time parameter data information to the central processing module, the central processing module generates second control instruction information according to the real-time parameter data information, and respectively transmits the second control instruction information to the corresponding control modules, and the steps are repeated until the film blowing process is completed;

the control module comprises a feeding control module, a film blowing control module and a traction control module, and wireless communication between the central processing module and each control module is realized by means of the first wireless transceiving module and the second wireless transceiving module.

As a preferred embodiment of the present invention, the preset parameter data information includes: the device comprises a feeding quality, a drying temperature interval, a drying fan operating frequency, a driving motor operating power, a plasticizing temperature interval, a heat preservation temperature interval, a die head operating power, a feeding quantity of a gear metering pump, a die head pressure interval, a cooling temperature interval, a traction clamping roller operating power and a winding roller operating power; the first control instruction information is process flow information of a film blowing process, and specifically comprises the following steps: feeding, feeding and film blowing and winding; the second control instruction information is the control instruction information automatically generated by the central processing module in order to realize the first control instruction information, and comprises the operation mode, the operation data and the stop operation of the control module.

As a preferred embodiment of the present invention, when the first control instruction information is material feeding, the step S2 specifically includes:

the feeding control module firstly controls the material suction sub-control module to suck the raw materials according to the first control instruction information and the preset parameter data information; then controlling the pretreatment sub-control module to adjust the drying temperature interval and the operation frequency of the drying fan, and screening, removing impurities and drying the raw materials; finally, controlling a first constant quantum control module to adjust the feeding quality and quantitatively feeding the raw materials; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, feeding is finally completed, and the feeding control module is controlled to stop operating.

As a preferred embodiment of the present invention, when the first control instruction information is feeding, the step S2 specifically includes:

the feeding control module firstly controls the first temperature sub-control module to adjust a plasticizing temperature interval according to the first control instruction information and preset parameter data information; the material pushing sub-control module is controlled to adjust the running power of the driving motor and drive the feeding screw rod to feed; and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to the preset parameter data information, finally, feeding is finished, and the feeding control module is controlled to stop operating.

As a preferred embodiment of the present invention, when the first control instruction information is blown film winding, the step S2 specifically includes:

the film blowing control module firstly controls the second temperature sub-control module to adjust a heat preservation temperature interval and controls the pressure sub-control module to adjust pressure intervals of the gear metering pump, the feeding pipeline and the die head according to the first control instruction information and preset parameter data information; then controlling a second quantitative sub-control module to adjust the feeding amount of the gear metering pump; finally, controlling a die head sub-control module to adjust the running power of the die head;

the coiling sub-control module firstly controls the third temperature sub-control module to adjust the cooling temperature interval according to the first control instruction information and the preset parameter data information; then controlling a rolling sub-control module to adjust the running power of the traction clamping roller and the running power of the rolling roller, and uniformly rolling the film;

and real-time parameter data information is transmitted to the central processing module in real time, the central processing module continuously changes the operation mode and the operation data of each sub-control module according to preset parameter data information, film blowing and winding are finally completed, and the traction control module and the winding control module are controlled to stop operating.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.