阅读说明：本技术 一种用于全生物降解吹膜机的高精度送料设备 (High-precision feeding equipment 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高精度送料设备,包括投料机构、送料机构和控制器,投料机构用于原料的进料、筛选与预处理,送料机构用于推送及塑化原料,便于后续的吹膜成型,投料机构的出料口与送料机构的投料口通过管道固定连接,控制器分别和投料结构、送料机构电连接,用于控制投料机构和送料机构的正常运转,本发明的送料设备包括投料机构和送料机构,可以对原料进行初步的预处理和除杂处理,保证原料纯度的前提下可以充分塑化融化原料,使得半成品的流体材料混料均匀,提高吹膜成型的良品率,提高薄膜表面韧度、细腻度和表面光泽,提高生产效率和生产品质。(The invention discloses high-precision feeding equipment for a full-biodegradation film blowing machine, which comprises a feeding mechanism, a feeding mechanism and a controller, wherein the feeding mechanism is used for feeding, screening and pretreating raw materials, the feeding mechanism is used for pushing and plasticizing the raw materials so as to facilitate subsequent film blowing molding, a discharge port of the feeding mechanism is fixedly connected with a feeding port of the feeding mechanism through a pipeline, the controller is respectively electrically connected with the feeding mechanism and the feeding mechanism, used for controlling the normal operation of the feeding mechanism and the feeding mechanism, the feeding equipment of the invention comprises the feeding mechanism and the feeding mechanism, can carry out preliminary pretreatment and impurity removal treatment on the raw materials, can fully plasticize and melt the raw materials on the premise of ensuring the purity of the raw materials, the semi-finished fluid material is uniformly mixed, the yield of film blowing forming is improved, the surface toughness, the fineness and the surface gloss of the film are improved, and the production efficiency and the production quality are improved.)

1. The utility model provides a high accuracy feeder equipment for full biodegradable inflation film manufacturing machine, its characterized in that, including throwing material mechanism (1), feeding mechanism (2) and controller, throw material mechanism (1) and be used for feeding, screening and the preliminary treatment of raw materials, feeding mechanism (2) are used for propelling movement and plastify raw materials, the subsequent blown film shaping of being convenient for, the discharge gate of throwing material mechanism (1) with the dog-house of feeding mechanism (2) passes through pipeline fixed connection, the controller respectively with throw the material structure feeding mechanism (2) electricity is connected, is used for control throw material mechanism (1) with the normal operating of feeding mechanism (2).

2. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 1, wherein the feeding mechanism (1) comprises a full-automatic suction machine (12), a drying machine (13) and a weighing machine (14), 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 the 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).

3. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 2, characterized in that an electric heater (131) is arranged at the upper part in the dryer (13), a magnetic material layer (133) is arranged at the middle part in the dryer (13), the magnetic material layer (133) is used for adsorbing metal impurities mixed in raw materials, a drying fan (134) is arranged at the bottom in the dryer (13), and a temperature sensor (132) is further arranged on the inner wall of the dryer (13).

4. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 3, characterized in that the drying fan (134) is a pulse fan, and the drying fan (134) is rotatably connected with the inner wall of the dryer (13).

5. The high-precision feeding device for the full-biodegradation film blowing machine according to claim 1, it is characterized in that the feeding mechanism (2) comprises a driving motor, a feeding pipe (22), a heating module and a feeding screw (29), the feeding screw (29) is fixedly connected with the output end of a speed reducer (21), the speed reducer (21) is connected with the output end of the driving motor, the driving motor is used for controlling the rotary feeding of the feeding screw (29), the feeding screw (29) is arranged in the feeding pipe (22), a feeding port is arranged at the position of the feeding pipe (22) close to the speed reducer (21), the feeding port is connected with the feeding mechanism (1), and three heating modules, namely a first heating module (23), a second heating module (25) and a third heating module (27), are sequentially arranged on the feeding pipe (22) from left to right.

6. The high-precision feeding device for the full-biodegradation film blowing machine according to claim 5, characterized in that the feeding screw (29) comprises a connector (291) and a screw body, the connector (291) is fixedly connected with 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.

7. The high-precision feeding device for the full-biodegradation film blowing machine according to claim 6, characterized in that the position of the first heating module (23) corresponds to the position of the first feeding area (292), the position of the second heating module (25) corresponds to the position of the first mixing area (293), and the position of the third heating module (27) corresponds to the position of the forced pressurizing feeding area (295).

8. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 7, characterized in that each heating module comprises 2 electric heating plates and 1 cooling fan, wherein 2 electric heating plates are fixedly installed on the outer pipe wall of the feeding pipe (22), and the cooling fan is fixedly arranged at the lower end of the feeding pipe (22).

9. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 8, wherein the heating temperatures of the three heating modules are independently controlled by the controller, and the temperature floating range is 60-170 ℃.

10. The high-precision feeding equipment for the full-biodegradation film blowing machine according to claim 9, characterized in that a plurality of temperature sensors are arranged on the feeding pipe (22).

Technical Field

The invention relates to the technical field of film blowing machine equipment, in particular to high-precision feeding equipment for a 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, the existing film blowing machine is too simple and crude in design of feeding equipment, cannot meet the precision required by the preparation process of the full-biodegradable film, cannot accurately control the process precision and the feeding speed of film generation, and has low automation level, insufficient surface gloss of finished products, uneven thickness and poor toughness of the film.

Disclosure of Invention

Aiming at the problems, the invention provides high-precision feeding equipment for a full-biodegradation film blowing machine, which mainly solves the problems in the background technology.

The invention provides high-precision feeding equipment for a full-biodegradation film blowing machine, which comprises a feeding mechanism, a feeding mechanism and a controller, wherein the feeding mechanism is used for feeding, screening and pretreating raw materials, the feeding mechanism is used for pushing and plasticizing the raw materials so as to facilitate subsequent film blowing molding, a discharge hole of the feeding mechanism is fixedly connected with a feeding hole of the feeding mechanism through a pipeline, and the controller is respectively electrically connected with the feeding mechanism and is used for controlling the normal operation of the feeding mechanism and the feeding mechanism.

The feeding mechanism comprises a full-automatic suction machine, a drying machine and a weighing machine, wherein a feeding pipe is arranged on the full-automatic suction machine, the feeding pipe is connected with a storage tank, the bottom of the full-automatic suction machine is connected with the top of the drying machine through a pipeline, the bottom of the drying machine is connected with the weighing machine through a pipeline, a weight sensor is arranged inside the weighing machine, a feeding port is formed in the bottom of the weighing machine, the feeding port is connected with the feeding mechanism, a first electromagnetic valve is arranged on the pipeline connected with the drying machine, a second electromagnetic valve is arranged on the pipeline connected with the drying machine, and a third electromagnetic valve is arranged at the feeding port.

The improved dryer is characterized in that an electric heater is arranged on the upper portion in the dryer, a magnetic material layer is arranged in the middle of the dryer and used for adsorbing metal impurities mixed in raw materials, a drying fan is arranged on the bottom of the dryer, and a temperature sensor is further arranged on the inner wall of the dryer.

The further improvement lies in that the drying fan is a pulse type fan, and the drying fan is connected with the inner wall of the dryer in a rotatable mode.

The feeding mechanism is characterized by further comprising a driving motor, a feeding pipe, a heating module and a feeding screw rod, wherein the feeding screw rod is fixedly connected with the output end of a speed reducer, the speed reducer is connected with the output end of the driving motor, the driving motor is used for controlling rotary feeding of the feeding screw rod, the feeding screw rod is arranged inside the feeding pipe, a feeding port is formed in the position, close to the speed reducer, of the feeding pipe, the feeding port is connected with the feeding mechanism, and three heating modules, namely a first heating module, a second heating module and a third heating module, are sequentially arranged on the feeding pipe from left to right.

The improved screw rod comprises a connector and a screw rod main body, the connector is fixedly connected with the output end of the speed reducer, and a first feeding area, a first mixing area, a second feeding area, a forced pressurizing feeding area and a second mixing area are sequentially arranged on the screw rod main body from left to right.

The further improvement is that the position of the first heating module corresponds to the position of the first feeding area, the position of the second heating module corresponds to the position of the first mixing area, and the position of the third heating module corresponds to the position of the forced pressurizing and feeding area.

The further improvement lies in that each heating module includes 2 electrical heating pieces and 1 cooling blower, 2 electrical heating pieces fixed mounting on the outer pipe wall of conveying pipe, cooling blower fixed setting is in the lower extreme of conveying pipe.

The further improvement is that the heating temperatures of the three heating modules are respectively and independently controlled by the controller, and the temperature floating range is between 60 and 170 ℃.

The feeding pipe is further improved in that a plurality of temperature sensors are arranged on the feeding pipe.

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

1. the feeding equipment comprises the feeding mechanism and the feeding mechanism, and can be used for carrying out preliminary pretreatment and impurity removal treatment on raw materials, fully plasticizing and melting the raw materials on the premise of ensuring the purity of the raw materials, uniformly mixing the fluid materials of semi-finished products, improving the yield of film blowing forming, improving the surface toughness, the fineness and the surface gloss of films, and improving the production efficiency and the production quality;

2. the feeding mechanism can carry out corresponding drying and impurity removal pretreatment on different raw materials, and realize quantitative feeding by weighing, thereby realizing quantitative control in the production process of the film and ensuring the quality of the finished film;

3. the feeding screw comprises five subareas, the plasticization of the raw materials is finely managed, the sufficient plasticization and the sufficient mixing of the raw materials are ensured, the damage of the raw materials to the feeding screw can be effectively prevented while the quality of a film finished product is ensured, and the service life of a workpiece is prolonged.

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 overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of a structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a feed screw 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 heating module; 25. a second heating module; 27. a third heating module; 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. and (6) heat-insulating paster.

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, 2 and 3, a high-precision feeding device for a full-biodegradation film blowing machine comprises a feeding mechanism 1, a feeding mechanism 2 and a controller, wherein the feeding mechanism 1 is used for feeding, screening and preprocessing raw materials, the feeding mechanism 2 is used for pushing and plasticizing the raw materials, so that subsequent film blowing molding is facilitated, a discharge port of the feeding mechanism 1 is fixedly connected with a feeding port of the feeding mechanism 2 through a pipeline, and the controller is respectively electrically connected with the feeding mechanism and the feeding mechanism 2 and is used for controlling the normal operation of the feeding mechanism 1 and the feeding mechanism 2.

As a preferred embodiment of the present invention, the feeding mechanism 1 includes a full-automatic suction machine 12, a drying machine 13 and a weighing machine 14, the full-automatic suction machine 12 is provided with a feeding pipe 11, 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, the bottom of the weighing machine 14 is provided with a feeding port 15, the feeding port 15 is connected with the feeding mechanism 2, the pipeline connecting the full-automatic suction machine 12 and the drying machine 13 is provided with a first electromagnetic valve 16, the pipeline connecting the drying machine 13 and the weighing machine 14 is provided with a second electromagnetic valve 17, and the feeding port 15 is provided with a third electromagnetic valve 18.

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.

As a preferred embodiment of the present invention, an electric heater 131 is disposed at an upper portion in the dryer 13, a magnetic material layer 133 is disposed at a middle portion in 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 a bottom portion in the dryer 13, and a temperature sensor 132 is further disposed on an 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 drying fan 134 is a pulse fan, and the drying fan 134 is rotatably connected to the inner wall of the dryer 13.

Specifically, the pulse type fan can intermittently blow and dry the material, and simultaneously, the raw material continuously jumps inside the dryer 13, so that the magnetic material layer 133 can adsorb metal impurities in the raw material, the raw material is further purified, and the raw material inside the dryer 13 can be intermittently disturbed more comprehensively in a dead angle-free manner by a rotatable connection mode.

As a preferred embodiment of the present invention, 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 to an output end of a speed reducer 21, the speed reducer 21 is connected to an output end of the driving motor, the driving motor is used for controlling the rotational feeding of the feeding screw 29, the feeding screw 29 is disposed inside the feeding pipe 22, a feeding port is disposed at a position of the feeding pipe 22 close to the speed reducer 21, the feeding port is connected to the feeding mechanism 1, and three heating modules, namely a first heating module 23, a second heating module 25 and a third heating module 27, are sequentially disposed on the feeding pipe 22 from left to right.

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 for help reducing in real time heating module's temperature.

As a preferred embodiment of the present invention, the feeding screw 29 includes a connection head 291 and a screw body, the connection head 291 is fixedly connected to the output end of the speed reducer 21, and the screw body is sequentially provided with a first feeding region 292, a first mixing region 293, a second feeding region 294, a forced pressurizing feeding region 295, and a second mixing region 296 from left to right.

As a preferred embodiment of the present invention, the position of the first heating module 23 corresponds to the position of the first feeding area 292, the position of the second heating module 25 corresponds to the position of the first mixing area 293, and the position of the third heating module 27 corresponds to the position of the forced pressure feeding area 295.

More specifically, the first feeding area 292 is used for preliminary feeding, the raw materials slowly enter the irradiation range of the first heating module 23 under the pushing of the feeding screw 29, and are gradually heated and plasticized, the raw materials which are fluid are 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 heating module 25, the fluid is more uniform due to higher temperature, the plasticization of the raw materials is more complete, and then the raw materials enter the forced pressurization feeding area 295 through the second feeding area 294, which is just in the irradiation range of the third heating module 27, the raw materials can be further plasticized by high temperature and high pressure environment, and enter 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.

As a preferred embodiment of the present invention, each of the heating modules includes 2 electric heating strips and 1 cooling fan, wherein 2 electric heating strips are fixedly mounted on the outer wall of the feeding pipe 22, and the cooling fan is fixedly disposed at the lower end of the feeding pipe 22.

As a preferred embodiment of the invention, the heating temperatures of the three heating modules are respectively and independently controlled by the controller, and the temperature floating range is between 60 and 170 ℃.

In a preferred embodiment of the present invention, the feeding pipe 22 is provided with a plurality of temperature sensors.

More specifically, as a preferred embodiment of the present invention, the feeding mechanism of the present invention is further connected to a film blowing mechanism 3, the film blowing mechanism 3 includes a gear metering pump 31, a feeding pump 32 and a rotary die head 33, a feeding end of the gear metering pump 31 is connected to the feeding mechanism 2, a discharging end of the gear metering pump 31 is connected to a feeding end of the feeding pump 32, a discharging end of the feeding pump 32 is connected to a feeding port 34 of the rotary die head 33, a film blowing port 35 is disposed at a top of the rotary die head 33, and heat insulating patches 38 are disposed on an outer surface of the rotary die head 33 and an 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.

As a preferred embodiment of the present invention, an upper cooling air ring 36 is disposed at an upper portion of the rotary die head 33, a lower cooling air ring 37 is disposed at a lower portion of the rotary die head 33, a second air duct 372 is disposed at the lower cooling air ring 37, the second air duct 372 is connected to a cooling fan, a first air duct 361 is disposed at the upper cooling air ring 36, and the first air duct 361 is connected to a connecting air opening 371 disposed at 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.

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

1. the feeding equipment comprises a feeding mechanism 1 and a feeding mechanism 2, and can be used for carrying out preliminary pretreatment and impurity removal treatment on raw materials, fully plasticizing and melting the raw materials on the premise of ensuring the purity of the raw materials, so that the semi-finished fluid materials are uniformly mixed, the yield of film blowing forming is improved, the surface toughness, the fineness and the surface gloss of a film are improved, and the production efficiency and the production quality are improved;

2. the feeding mechanism 1 can carry out corresponding drying and impurity removal pretreatment on different raw materials, and realize quantitative feeding by weighing, thereby realizing quantitative control in the film production process and ensuring the quality of finished film products;

3. the feeding screw 29 comprises five subareas, so that the plasticization of the raw materials is finely managed, the sufficient plasticization and the sufficient mixing of the raw materials are ensured, the damage of the raw materials to the feeding screw 29 can be effectively prevented while the quality of a film finished product is ensured, and the service life of a workpiece is prolonged.

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.