阅读说明：本技术 一种生产pvc低发泡板的全自动螺旋上料机 (Full-automatic spiral feeding machine for producing PVC low-foaming plate ) 是由 麦树芬 于 2020-04-29 设计创作，主要内容包括：本发明提供的一种生产PVC低发泡板的全自动螺旋上料机,用于将PVC低发泡板原料输送至一PVC低发泡板挤出机,其包括依次连接的一上料斗、一混料装置、一第一储料斗、一上料装置以及一控制系统,其中,所述混料装置与第一储料斗之间通过设置有第一电动阀的一管道连接,通过上料装置包含的所述上料电机、所述输料筒以及设置在所述输料筒内的所述送料螺旋杆配合,实现PVC低发泡板原料的螺旋上料,使得上料速度加快也使得上料的速度均匀；通过控制系统包含的所述下限位传感器采集所述PVC低发泡板原料在所述第一储料斗内的份量信息,当所述份量信息表示为0时,所述微处理器模块控制所述上料电机停止工作,该种设置避免了送料螺旋杆的空转,从而节约电能。(The invention provides a full-automatic spiral feeding machine for producing a PVC low-foaming plate, which is used for conveying a PVC low-foaming plate raw material to a PVC low-foaming plate extruder and comprises a feeding hopper, a mixing device, a first storage hopper, a feeding device and a control system which are sequentially connected, wherein the mixing device is connected with the first storage hopper through a pipeline provided with a first electric valve; the lower limiting sensor contained by the control system collects the weight information of the PVC low-foaming board raw material in the first storage hopper, when the weight information is 0, the microprocessor module controls the feeding motor to stop working, and the feeding screw rod is prevented from idling by the arrangement, so that electric energy is saved.)

1. The utility model provides a full-automatic spiral material loading machine of low foaming board of production PVC, its be used for carrying the low foaming board raw materials of PVC to the low foaming board extruder of PVC, including a feeding funnel, a compounding device and a first storage hopper that connects gradually, the compounding device with through a pipe connection that is provided with a first motorised valve, its characterized in that between the first storage hopper: the full-automatic spiral feeding machine for producing the PVC low-foaming plate further comprises a feeding device and a control system;

the feeding device is arranged at the rear end of the first storage hopper and comprises a feeding motor, a feeding cylinder and a feeding screw rod arranged in the feeding cylinder, the feeding cylinder is provided with a feeding hole and a discharging hole, the feeding hole is connected with the first storage hopper, and two ends of the feeding screw rod are respectively in rotary connection with two ends of the feeding cylinder and are driven to rotate by the feeding motor;

the control system comprises a power module, a sensor module, a microprocessor module, a wireless transmission module and a man-machine interaction module; wherein the content of the first and second substances,

the power supply module is used for supplying power to the sensor module, the micro-processing module, the wireless transmission module and the man-machine interaction module;

the sensor module comprises a lower limit sensor, a first flow sensor and a second flow sensor, wherein the lower limit sensor is arranged in the first storage hopper and is used for collecting the weight information of the PVC low-foaming board raw material in the first storage hopper; the first flow sensor is arranged at the feeding port and used for acquiring feeding information of the PVC low-foaming plate raw material in the feeding cylinder; the second flow sensor is arranged at the discharge port and used for collecting discharge information of the PVC low-foaming plate raw material in the feed delivery cylinder;

the wireless transmission module is used for sending the weight information, the feeding information and the discharging information collected by the sensor module to the micro-processing module and the human-computer interaction module;

the micro-processing module receives the weight information, the feeding information and the discharging information transmitted by the wireless transmission module, and controls the feeding motor to stop working when the weight information is 0; when the feeding information and/or the discharging information is displayed as 0, the microprocessor module controls the feeding motor to stop working;

the man-machine interaction module is used for displaying the weight information, the feeding information and the discharging information which are acquired by the sensor module.

2. The full-automatic spiral feeding machine for producing the PVC low-foaming board as claimed in claim 1, wherein the feeding motor is connected with one end of the feeding spiral rod through a speed reducing mechanism.

3. The full-automatic spiral feeding machine for producing the PVC low foaming plate as claimed in claim 2, wherein the speed reducing mechanism comprises a driving wheel and a driven wheel, the driving wheel is connected with the driven wheel through a transmission chain or a transmission belt, the driving wheel is connected with the output end of the feeding motor, and the driven wheel is connected with one end of the feeding spiral rod.

4. The full-automatic spiral feeding machine for producing the PVC low-foaming plates as claimed in claim 1, wherein an openable cover plate is arranged at one end of the feeding hopper, which is far away from the mixing device, and the openable cover plate is used for pouring the raw PVC low-foaming plates into the feeding bin when opened.

5. The fully automatic spiral feeder for producing PVC low-foaming plates as claimed in claim 1, wherein the feeder further comprises a second storage hopper, the second storage hopper is connected with the first storage hopper through the feeding cylinder, and a feeding pipeline is connected to a discharge end of the second storage hopper.

6. The full-automatic spiral feeding machine for producing the PVC low-foaming plates as claimed in claim 5, wherein an upper limit sensor is arranged in the second storage hopper and connected with the microprocessor module, the upper limit sensor is used for collecting upper limit weight information of the PVC low-foaming plate raw materials in the second storage hopper, the microprocessor module receives the upper limit weight information, and when the upper limit weight information is larger than a maximum weight preset value, the microprocessor module controls the feeding motor to stop working.

7. The full-automatic spiral feeding machine for producing the PVC low-foaming board as claimed in claim 1, wherein the mixing device comprises a hot mixing device and a cold mixing device communicated with the hot mixing device, and the hot mixing device and the cold mixing device are respectively connected with the feeding hopper and the first storage hopper.

8. The full-automatic spiral feeding machine for producing PVC low-foaming plates according to claim 1, wherein the micro-processing module is also connected with a buzzer or an alarm.

9. The fully automatic spiral feeder for producing PVC low-foaming boards as claimed in claim 1, wherein the feeding cylinder is provided with an access hole.

10. The full-automatic spiral feeding machine for producing the PVC low-foaming board as claimed in claim 1, wherein the feeding side of the first storage hopper is hermetically connected with a dust recycling device through a hose.

Technical Field

The invention relates to the technical field of PVC low-foaming board preparation, in particular to a full-automatic spiral feeding machine for producing PVC low-foaming boards.

Background

Polyvinyl chloride (pvc), which is abbreviated as pvc, is a polymer obtained by polymerizing Vinyl Chloride Monomer (VCM) with an initiator such as peroxide and azo compound, or under the action of light and heat according to a radical polymerization mechanism. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.

The production of the PVC foaming board comprises three methods, namely a free foaming method, a crusted foaming board and a road blocking method, wherein the three methods comprise the steps of feeding the mixed PVC foaming board raw material to an extruder, feeding is usually carried out through a spring feeding cylinder, but the feeding speed is too slow and the feeding speed is not uniform, so that the production efficiency is seriously influenced, and meanwhile, the problem that the PVC foaming board raw material is easy to block in the feeding cylinder is solved, the problem that the material is smaller and more serious, or a storage hopper at the front end of the feeding cylinder cannot provide the PVC foaming board raw material is solved, and the problem that the motor for providing conveying power is burnt out and electric energy is wasted exists if the machine is not stopped for a long time.

Disclosure of Invention

The invention aims to solve the problems that a traditional PVC low-foaming plate feeding machine is too slow in feeding speed, uneven in feeding speed, and has the risk of burning out a motor for providing conveying power, and the like, and provides a full-automatic spiral feeding machine for producing PVC low-foaming plates.

A full-automatic spiral feeding machine for producing a PVC low-foaming plate is used for conveying a PVC low-foaming plate raw material to a PVC low-foaming plate extruder and comprises a feeding hopper, a mixing device and a first storage hopper which are sequentially connected, wherein the mixing device is connected with the first storage hopper through a pipeline provided with a first electric valve; the feeding device is arranged at the rear end of the first storage hopper and comprises a feeding motor, a feeding cylinder and a feeding screw rod arranged in the feeding cylinder, the feeding cylinder is provided with a feeding hole and a discharging hole, the feeding hole is connected with the first storage hopper, and two ends of the feeding screw rod are respectively in rotary connection with two ends of the feeding cylinder and are driven to rotate by the feeding motor; the control system comprises a power module, a sensor module, a microprocessor module, a wireless transmission module and a man-machine interaction module; the power supply module is used for supplying power to the sensor module, the micro-processing module, the wireless transmission module and the human-computer interaction module; the sensor module comprises a lower limit sensor, a first flow sensor and a second flow sensor, wherein the lower limit sensor is arranged in the first storage hopper and is used for collecting the weight information of the PVC low-foaming board raw material in the first storage hopper; the first flow sensor is arranged at the feeding port and used for acquiring feeding information of the PVC low-foaming plate raw material in the feeding cylinder; the second flow sensor is arranged at the discharge port and used for collecting discharge information of the PVC low-foaming plate raw material in the feed delivery cylinder; the wireless transmission module is used for sending the weight information, the feeding information and the discharging information collected by the sensor module to the micro-processing module and the human-computer interaction module; the micro-processing module receives the weight information, the feeding information and the discharging information transmitted by the wireless transmission module, and controls the feeding motor to stop working when the weight information is 0; when the feeding information and/or the discharging information is displayed as 0, the microprocessor module controls the feeding motor to stop working; the man-machine interaction module is used for displaying the weight information, the feeding information and the discharging information which are acquired by the sensor module.

Preferably, the feeding motor is connected with one end of the feeding screw rod through a speed reducing mechanism.

Furthermore, the speed reducing mechanism comprises a driving wheel and a driven wheel, the driving wheel is connected with the driven wheel through a transmission chain or a transmission belt, the driving wheel is connected with the output end of the feeding motor, and the driven wheel is connected with one end of the feeding screw rod.

Preferably, one end of the feeding hopper, which is far away from the mixing device, is provided with an openable cover plate, and the openable cover plate is used for pouring the PVC low-foaming plate raw material into the feeding bin when being opened.

Preferably, the feeding device further comprises a second storage hopper, the second storage hopper is connected with the first storage hopper through the material conveying cylinder, and the discharge end of the second storage hopper is connected with a feeding pipeline.

Further, an upper limit sensor is arranged in the second storage hopper and connected with the microprocessor module, the upper limit sensor is used for collecting upper limit weight information of the PVC low-foaming board raw material in the second storage hopper, the microprocessor module receives the upper limit weight information, and when the upper limit weight information is larger than a maximum weight preset value, the microprocessor module controls the feeding motor to stop working.

Preferably, the mixing device comprises a hot mixing device and a cold mixing device communicated with the hot mixing device, and the hot mixing device and the cold mixing device are respectively connected with the feeding hopper and the first storage hopper.

Preferably, the microprocessor module is also connected with a buzzer or an alarm.

Preferably, the material conveying cylinder is provided with an access hole.

Preferably, the feeding side of the first storage hopper is hermetically connected with a dust recovery device through a hose.

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

(1) according to the full-automatic spiral feeding machine for producing the PVC low-foaming board, disclosed by the invention, the spiral feeding of the raw material of the PVC low-foaming board is realized through the matching of the feeding motor, the feeding cylinder and the feeding screw rod arranged in the feeding cylinder, so that the feeding speed is accelerated and is uniform.

(2) According to the full-automatic spiral feeding machine for producing the PVC low-foaming board, the weight information of the PVC low-foaming board raw material in the first storage hopper is acquired through the lower limiting sensor, when the weight information is 0, the microprocessor module controls the feeding motor to stop working, and the arrangement avoids idle running of a feeding spiral rod, so that electric energy is saved.

(3) According to the full-automatic spiral feeding machine for producing the PVC low-foaming plate, the feeding information of the raw material of the PVC low-foaming plate in the conveying cylinder is acquired through the first flow sensor; the second flow sensor acquires the discharging information of the PVC low-foaming plate raw material in the material conveying cylinder; when the feeding information and/or the discharging information is displayed as 0, the microprocessor module controls the feeding motor to stop working; specifically, when feeding information and/or ejection of compact information show for 0, indicate probably that the feed inlet department or the dead condition of card has appeared in the conveying cylinder, microprocessor module control this moment the material loading motor stop work has effectively avoided the material loading motor to burn out.

(4) According to the full-automatic spiral feeding machine for producing the PVC low-foaming plate, provided by the invention, the second storage hopper is internally provided with the upper limit sensor, the upper limit sensor is used for collecting upper limit weight information of the PVC low-foaming plate raw material in the second storage hopper, and when the upper limit weight information is larger than a maximum weight preset value, the microprocessor module controls the feeding motor to stop working, so that the condition that a material conveying cylinder or a material conveying pipeline is blocked due to excessive PVC low-foaming plate raw material in the second storage hopper is effectively avoided.

(5) According to the full-automatic spiral feeding machine for producing the PVC low-foaming plate, when the feeding information and/or the discharging information is displayed as 0, the buzzer or the alarm gives an alarm to prompt a worker to check the material conveying cylinder in time.

Drawings

Fig. 1 is a schematic structural view of a full-automatic spiral feeding machine for producing a PVC low-foaming plate according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a part of a feeding device provided in an embodiment of the present invention;

FIG. 3 is a flow chart of a control system provided by an embodiment of the present invention;

in the figure, 1-a feeding hopper, 2-a mixing device, 3-a first storage hopper, 4-a feeding device, 5-a control system, 41-a feeding motor, 42-a conveying cylinder, 43-a feeding screw rod, 44-a second storage hopper, 45-a feeding pipeline, 51-a power module, 52-a sensor module, 53-a micro-processing module, 54-a wireless transmission module, 55-a man-machine interaction module, 521-a lower limit sensor, 522-a first flow sensor, 523-a second flow sensor, 21-a hot mixing device, 22-a cold mixing device, 23-a first electric valve and 24-a pipeline.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 3, the embodiment provides a full-automatic spiral feeding machine for producing a PVC low-foaming plate, which is used for conveying a PVC low-foaming plate raw material to a PVC low-foaming plate extruder, and includes a feeding hopper 1, a mixing device 2, a first storage hopper 3, a feeding device 4 and a control system 5 which are connected in sequence, wherein the mixing device 2 is connected with the first storage hopper 3 through a pipeline 24 provided with a first electric valve 23, in the embodiment, the first electric valve 23 is an electric butterfly valve 23, the electric butterfly valve is rapidly opened and closed, the cost is low, the service life is long, the full-automatic spiral feeding machine is suitable for conveying large-diameter powder, and the possibility of dust leakage is reduced.

Referring to fig. 2, the feeding device 4 is disposed at the rear end of the first storage hopper 3, and includes a feeding motor 41, a feeding cylinder 42 and a feeding screw 43 disposed in the feeding cylinder 42, the feeding cylinder 42 is provided with a feeding port and a discharging port, the feeding port is connected to the first storage hopper 3, and two ends of the feeding screw 43 are respectively rotatably connected to two ends of the feeding cylinder 42 and driven to rotate by the feeding motor 41; specifically, the feeding motor 41 is connected to one end of the feeding screw rod 43 through a speed reducing mechanism; the speed reducing mechanism comprises a driving wheel and a driven wheel, the driving wheel is connected with the driven wheel through a transmission chain or a transmission belt, the driving wheel is connected with the output end of the feeding motor 41, and the driven wheel is connected with one end of the feeding screw rod 43. When the feeding operation is performed, the feeding motor 41 works to drive the feeding screw 43 to rotate in the feeding cylinder 42 to complete the feeding operation.

Referring to fig. 3, in the present embodiment, the control system 5 includes a power module 51, a sensor module 52, a microprocessor module 53, a wireless transmission module 54, and a human-machine interaction module 55.

The power module 51 is configured to provide power for the sensor module 52, the microprocessor module 53, the wireless transmission module 54, and the human-computer interaction module 55.

The sensor module 52 comprises a lower limit sensor 521, a first flow sensor 522 and a second flow sensor 523, wherein the lower limit sensor 521 is arranged in the first storage hopper 3 and is used for collecting the weight information of the PVC low-foaming sheet raw material in the first storage hopper 3, specifically, the lower limit sensor 521 is arranged at a corner where the bottom and the side wall of the first storage hopper 3 are connected, and when the PVC low-foaming sheet raw material does not exist in the first storage hopper 3 any more, the weight information is displayed as 0; the first flow sensor 522 is arranged at the feed inlet and is used for acquiring feeding information of the PVC low-foaming board raw material in the feeding cylinder 42, specifically, when the PVC low-foaming board raw material passes through the feed inlet, the feeding information is positive, and when the PVC low-foaming board raw material does not pass through the feed inlet, the feeding information is 0; the second flow sensor 523 is disposed at the discharge port and is configured to collect discharge information of the PVC low-foaming board raw material in the feed delivery cylinder 42, specifically, when the PVC low-foaming board raw material passes through the discharge port, the discharge information is displayed as positive, and when the PVC low-foaming board raw material does not pass through the discharge port, the discharge information is displayed as 0.

The wireless transmission module 54 is configured to send the weight information, the feeding information, and the discharging information collected by the sensor module 52 to the micro-processing module 53 and the human-machine interaction module 55, the micro-processing module 53 receives the information transmitted by the wireless transmission module 54 to perform judgment and make a corresponding instruction, and the human-machine interaction module 55 receives the information transmitted by the wireless transmission module 54 to enable an operator to know a real-time state of the full-automatic spiral feeding machine for producing the PVC low-foaming board.

The microprocessor module 53 receives the weight information, the feeding information and the discharging information transmitted by the wireless transmission module 54, and when the weight information is 0, the microprocessor module controls the feeding motor 41 to stop working, which indicates that the PVC low-foaming sheet raw material does not exist in the first storage hopper 3 any more at this time, and if the PVC low-foaming sheet raw material is fed again, the motor idles, and power resources are wasted; when the feeding information shows to be 0, it indicates that the situation that the raw material of the PVC low foaming plate is blocked or stuck possibly occurs at the feeding port, and when the discharging information shows to be 0, it indicates that the situation that the raw material of the PVC low foaming plate is blocked or stuck occurs in the material conveying cylinder 42, and when the two situations occur, the microprocessor module controls the feeding motor 41 to stop working, thereby effectively avoiding the burning out of the feeding motor 41.

The human-computer interaction module 55 is configured to display the portion information, the feeding information and the discharging information collected by the sensor module 52. Wherein, man-machine interaction module 55 contains a display screen, can let operating personnel know this production PVC low foaming board's full-automatic spiral material loading machine's the factual production condition in real time, more is favorable to the management of work.

Referring to fig. 1, in the embodiment, the feeding device 4 further includes a second storage hopper 44, the second storage hopper 44 is connected to the first storage hopper 3 through the feeding cylinder 42, and a discharging end of the second storage hopper 44 is connected to a feeding pipe 45. An upper limit sensor is arranged in the second storage hopper 44 and connected with the microprocessor module, the upper limit sensor is used for collecting upper limit weight information of the PVC low foaming board raw material in the second storage hopper 44, the microprocessor module receives the upper limit weight information, and when the upper limit weight information is larger than a maximum weight preset value, the microprocessor module controls the feeding motor 41 to stop working. Specifically, when the upper limit sensor detects that the PVC low-foaming sheet raw material in the second storage hopper 44 is higher than a maximum weight preset value, it represents that the second storage hopper 44 is filled with the PVC low-foaming sheet raw material soon, and if the feeding is performed all the time, the PVC low-foaming sheet raw material in the second storage hopper 44 is too much, so that the material feeding cylinder 42 or the material feeding pipeline 45 is blocked, and therefore the microprocessor module controls the feeding motor 41 to stop working, which is favorable for protecting the motor.

Preferably, one end of the feeding hopper, which is far away from the mixing device 2, is provided with an openable cover plate, and the openable cover plate is used for placing the PVC low-foaming plate raw material into the feeding hopper when being opened. The mixing device 2 comprises a hot mixing device 21 and a cold mixing device 22 communicated with the hot mixing device 21, and the hot mixing device 21 and the cold mixing device 22 are respectively connected with the feeding hopper and the first storage hopper 3.

Preferably, the micro-processing module 53 is further connected with a buzzer or an alarm, and when the feeding information shows to be 0 and/or the discharging information shows to be 0, the buzzer or the alarm gives an alarm, so that the worker can timely know that the device may have a fault and needs to overhaul, and the working efficiency is improved.

Preferably, the feeding cylinder 42 is provided with an access hole (not shown), and the design of the access hole (not shown) facilitates the cleaning of the feeding cylinder 42, and also facilitates the maintenance in case that the feeding cylinder 42 is dead.

Preferably, the feeding side of the first storage hopper 3 is connected with a dust recycling device in a sealing manner through a hose to recycle part of dust, and the safety performance of closed conveying is improved.

The full-automatic spiral feeding machine of production PVC low foaming board that this embodiment provided, through material loading motor 41 defeated feed cylinder 42 and setting are in the defeated feed cylinder 42 the cooperation of pay-off hob 43 realizes the spiral material loading of the low foaming board raw materials of PVC for material loading speed accelerates also to make the speed of material loading even, sets up control system 5, thereby has reached and has practiced thrift the electric energy, has known putty or the dead condition of card in feed inlet department or the defeated feed cylinder 42 in real time, has effectively avoided material loading motor 41 to burn out etc. the device intelligent degree is high, is worth popularizing and applying.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.