CN113635486A

CN113635486A - PVC strengthens waste recovery device for manadesma production line

Info

Publication number: CN113635486A
Application number: CN202110863053.6A
Authority: CN
Inventors: 焦方泳
Original assignee: Jinan Julong Plastic Industry Co ltd
Current assignee: Jinan Julong Plastic Industry Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-12

Abstract

The invention relates to the field of PVC production equipment, and particularly discloses a waste recovery device for a PVC (polyvinyl chloride) reinforced fascia production line, which comprises a blanking hopper, wherein a waste hopper is arranged above the blanking hopper, the lower end of the blanking hopper is connected with a blanking channel, rotary extrusion rollers which are mutually occluded are arranged in the blanking channel, a fixed knife and a crushing knife roller which are mutually matched are arranged below the rotary extrusion rollers, and a material pumping fan is arranged at the lower end of the blanking channel; two waste material extrusion rollers are also arranged at the upper end of the blanking channel; the outlet end of the material pumping fan is connected with a cyclone separating cylinder through a first pipeline, and the lower end of the cyclone separating cylinder is provided with a feeding fan. A material baffle plate is arranged above the rotary extrusion roller. According to the invention, the waste material generated by the punching device is received by the waste material hopper, then the reinforcing fascia meeting the requirements can be produced in the blanking channel, and in the production process, the cut waste material directly returns to the primary stirring tank through the waste material recovery device and the like to be recovered and reused, so that the energy is saved, and the environment-friendly requirement is met.

Description

PVC strengthens waste recovery device for manadesma production line

Technical Field

The invention relates to the field of PVC production equipment, in particular to a waste recovery device for a PVC reinforced fascia production line.

Background

At present, the market demand of common PVC foaming boards in the market is more than 35 million tons, the market demand of foreign countries is more than 15 million tons, the total amount is more than 50 million tons, the high-end board covers the requirements of color boards and high-strength boards and exceeds more than forty total amount, the market share is more than 20 million tons, and in the continuous demand rise, at present, the market of high-end plastic boards outside China continental China is basically monopolized by Japan, Korea, Taiwan of China, France, Italy, Germany, Britain and America of Europe, some precise plastics of super polymers are absolutely controlled to China, many plastic products for replacing steel plates are produced in Europe and America, but China has large plastic yield and wide use range, but most of product types of low end are full of markets, the real high-end is not available, only some types of imitation, the actual knowledge imitates a personal shape, and the real performance is poor, as for the panel surface covering ya keli or PET, can only produce ya keli thin slice in advance, then reuse glue with the thin slice laminating to the panel go, increase the process and increase the cost again and not environmental protection life-span can not be for a long time. To this end, the applicant has invented a colored high-strength colored composite environmental protection panel comprising a layer of PVC reinforced fascia, which is different from a general PVC film, and has invented a special reinforced fascia manufacturing line in which waste materials are recycled after cutting, and thus a special waste material recycling apparatus is required.

Disclosure of Invention

The invention provides a waste recovery device for a PVC reinforced fascia production line, which can recover and reuse waste in order to make up for the defects of the prior art.

The invention is realized by the following technical scheme:

the utility model provides a PVC strengthens waste recovery device for manadesma production line which characterized by: the automatic material discharging device comprises a discharging hopper, wherein a waste hopper is arranged above the discharging hopper, the lower end of the discharging hopper is connected with a discharging channel, rotary extrusion rollers which are mutually meshed are arranged in the discharging channel, a fixed knife and a crushing knife roller which are mutually matched are arranged below the rotary extrusion rollers, and a material pumping fan is arranged at the lower end of the discharging channel; two waste material extrusion rollers are further arranged at the upper end of the blanking channel;

the outlet end of the material pumping fan is connected with a cyclone separating cylinder through a first pipeline, and the lower end of the cyclone separating cylinder is provided with a feeding fan.

And a material baffle plate is arranged above the rotary extrusion roller.

The spacing between the two scrap press rolls can be adjusted.

The invention has the beneficial effects that:

according to the invention, the waste material generated by the punching device is received by the waste material hopper, then the reinforcing fascia meeting the requirements can be produced in the blanking channel, and in the production process, the cut waste material directly returns to the primary stirring tank through the waste material recovery device and the like to be recovered and reused, so that the energy is saved, and the environment-friendly requirement is met.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front view of a PVC reinforced fascia production line;

FIG. 2 is an enlarged schematic view of a portion a of FIG. 1;

FIG. 3 is an enlarged schematic view of portion b of FIG. 1;

FIG. 4 is a schematic top view of the PVC reinforced fascia production line;

FIG. 5 is an enlarged view of the stirring device and the main frame;

FIG. 6 is a schematic cross-sectional view of a thin film mold;

FIG. 7 is a schematic top view of a lower mold body of a film mold;

FIG. 8 is an enlarged schematic view of the molding machine;

FIG. 9 is an enlarged schematic view of the punching apparatus and the scrap recovery apparatus;

FIG. 10 is an enlarged schematic view of the punching apparatus;

FIG. 11 is an enlarged schematic view of the present invention shown in FIG. 1;

FIG. 12 is an enlarged view of the structure at A in FIG. 11;

fig. 13 is an enlarged schematic view of the cutting device.

In the figure, 0 thin film; 00 waste film;

1, a stirring device, 11 an initial feeding device, 12 a waste material feeding device, 13 a conveying belt, 14 a primary stirring tank, 15 a secondary stirring tank, 16 stirring shafts and 17 spiral augers;

2, a host;

3, a film die, a 31 channel, a 32 shunt channel, a 33U-shaped stable flow area, a 34 buffer pressurizing area, a 35 die area, a 36 heat conduction oil channel, 37 electric heating rods and 38 die thickness adjusting screws;

4, pre-cooling rollers;

5, a forming machine, 51 fixing a calendering cooling roller, 52 lower adjusting the calendering cooling roller, 53 horizontal adjusting the cooling roller, 54 lower adjusting roller and 55 bending roller;

6 punching device, 61 female cutting roller, 62 male cutting roller, 63 upper tensioning roller, 64 lower tensioning roller, 65 convex block and 66 concave groove;

7 cutting device, 71 guide roll, 72 steering roll, 73 waste material carrier roller;

8 waste recycling device, 801 blanking hopper, 802 waste hopper, 803 waste extrusion roller, 804 blanking channel, 805 rotary extrusion roller, 806 fixed knife, 807 crushing knife roller, 808 pumping fan, 809 first pipeline, 810 cyclone separating cylinder, 811 feeding fan, 812 second pipeline and 813 material baffle plate.

Detailed Description

The drawings illustrate specific embodiments of the invention. As shown in fig. 1 to 13, the PVC reinforced fascia production line comprises a PLC control system, the whole production line is controlled by the PLC control system to operate, and sequentially comprises a stirring device 1, a host machine 2, a film mold 3, a pre-cooling roller 4, a forming machine 5, a punching device 6, a cutting device 7 and a waste recovery device 8 from back to front, wherein:

the stirring device 1 comprises an initial feeding device 11 and a waste feeding device 12 which are two feeding tanks with different functions, a material conveying belt 13 driven by a motor is arranged below the waste feeding device 12, a spiral auger 17 is arranged below the initial feeding device 11, the tail ends of the material conveying belt 13 and the spiral auger 17 are both positioned above a first-stage stirring tank 14, a second-stage stirring tank 15 is connected below the first-stage stirring tank 14, and a stirring shaft 16 of the second-stage stirring tank 15 is transverse.

Next agitating unit 1 be host computer 2, including extruder etc. for prior art, no longer give unnecessary details, through heating, the shearing of host computer 2, extrude film mold 3 membrane through the extruder at last, film mold 3 is special mould, and concrete structure is:

the die body is formed by fixedly connecting an upper die body and a lower die body, a channel 31, a branch channel 32, a U-shaped stable flow area 33, a buffer pressurizing area 34 and a die area 35 are formed from back to front, heat conduction oil channels 36 are respectively arranged at the front ends of the upper die body and the lower die body, and electric heating rods 37 are respectively arranged in the upper die body and the lower die body; in addition, a die thickness adjusting screw 38 is provided at the front end of the upper mold body, and the front end of the upper mold body can be lifted or dropped by adjusting the die thickness adjusting screw 38, thereby controlling the thickness of the film 0 coming out of the die area 35.

The film 0 coming out of the film die 3 enters the pre-cooling roller 4, the pre-cooling roller 4 is the prior art and is not described again, the film passes through the pre-cooling roller 4 and enters the forming machine 5, the forming machine 5 is a four-roller forming machine, as the name suggests, the four-roller forming machine is provided with four rollers, two rollers in the vertical direction are respectively a fixed calendaring cooling roller 51 and a lower adjusting calendaring cooling roller 52, the fixed calendaring cooling roller 51 is arranged above and the lower adjusting calendaring cooling roller 52 is arranged below, the distance between the fixed calendaring cooling roller 51 and the lower adjusting calendaring cooling roller 52 can be adjusted by adjusting the position of the lower adjusting calendaring cooling roller 52, the gap between the two rollers is just opposite to the die area 35 of the film die 3, namely the film 0 outlet, two horizontal adjusting cooling rollers 53 are arranged in front of the fixed calendaring cooling roller 51, the two horizontal adjusting cooling rollers 53 are horizontally arranged with the fixed calendaring cooling roller 51, and the distance between the two horizontal adjusting cooling rollers 53 can be adjusted, the adjusting mode is the prior art, the fixed calendering cooling roller 51 is not contacted with a horizontal adjusting cooling roller 53 close to the fixed calendering cooling roller, a gap is arranged between the fixed calendering cooling roller 51 and the lower adjusting calendering cooling roller 52, the film 0 goes out from the position between the fixed calendering cooling roller 51 and the lower adjusting calendering cooling roller 52, then goes out from the position between the two horizontal adjusting cooling rollers 53 close to each other, then goes through a lower adjusting roller 54, actually, a plurality of lower adjusting rollers 54 are arranged at the position, the lower adjusting roller 54 is selected according to the actual situation in the practical application, the film 0 is allowed to pass through, and then the film 0 goes into the punching device 6 after passing through a bending roller 55:

the punching device 6 comprises a female cutting roll 61 and a male cutting roll 62 arranged obliquely, that is to say: the female cutting roller 61 is arranged at the front upper part, the male cutting roller 62 is arranged at the rear lower part, or the positions of the female cutting roller and the male cutting roller are reversed, an upper tensioning roller 63 is arranged at the entering side of the film 0, a lower tensioning roller 64 is arranged at the exiting side, and the installation mode is also the prior art; there are a plurality of protruding pieces 65 on male cutting roller 62, have a plurality of recessed groove 66 on female cutting roller 61, protruding piece 65 and recessed groove 66 are supporting, and mutually support between them and form the punching cutter, just like the meshing between the gear between the two, film 0 forms the hole after the two cooperation cutting, and the waste material that cuts down falls into waste material recovery unit 8 below:

the waste recovery device 8 comprises a lower hopper 801, a waste hopper 802 is arranged above the lower hopper 801, and the waste hopper 802 is positioned below the hinged part of the female cutting roller and the male cutting roller 62 and is used for receiving the cut waste; two waste material squeezing rollers 803 are arranged beside a waste material hopper 802, the lower end of the waste material hopper 801 is connected with an inclined blanking channel 804, two rotary squeezing rollers 805 which are mutually meshed are arranged in the blanking channel 804, a fixed knife 806 and a crushing knife roller 807 which are mutually matched are arranged below the rotary squeezing rollers 805, a movable knife is arranged on the crushing knife roller 807, the fixed knife 806 and the movable knife are mutually matched to crush waste materials, then the waste materials pass through a material pumping fan 808 arranged below the crushing knife roller 807, the outlet of the material pumping fan 808 is connected to a cyclone separating cylinder 810 through a first pipeline 809, the cyclone separating cylinder 810 separates gas materials in the waste materials, the lower end of the cyclone separating cylinder 810 is connected with a feeding fan 811, and the separated waste materials are pumped out by the feeding fan 811 and then connected to the upper end of a waste material feeding device 12 through a second pipeline 812.

The cutting device 7 is arranged in front of the waste recovery device 8, the cutting device 7 is in the prior art and is used for cutting a film into a required width, the guide rollers 71 are respectively arranged in front of and behind the cutting device 7, the steering roller 72 is arranged below the guide rollers 71, the cut waste film 00 (left and right sides of the waste film are both provided with) enters the waste extrusion roller 803 through the guide rollers and the steering roller 72, then enters the rotary extrusion roller 805 in the blanking channel 804, and finally is crushed through the crushing knife roller 807 and the fixed knife 806 for recycling.

Because the turning roll 72 and the blanking channel 804 are spaced relatively far apart, there are also scrap idlers 73 between the turning roll 72 and the scrap press roll 803 for supporting the cut scrap film 00.

A dam 813 is also mounted above the rotating squeeze rolls 805 to assist the passage of scrap material between the rotating squeeze rolls 805.

The working process is as follows:

firstly, all materials are put into an initial feeding device 11 according to a specified proportion of a process, enter a first-stage stirring tank 14 through a material conveying belt 13 for stirring, then enter a second-stage stirring tank 15 for stirring, then enter a host machine 2, enter an extruder after the steps of temperature rise, shearing and the like, enter a die from the basis of the extruder, are subjected to temperature rise and pressure stabilization in the die for forming to form a film 0, then are precooled by a precooling roller 4, are flattened and calendered by a four-roller forming machine, enter a punching device 6, are cut into a plurality of holes after being cut by a female cutting roller 61 and a male cutting roller 62, and the cut waste materials enter a blanking hopper 801 through a waste hopper 802;

the film 0 is discharged from the punching device 6, enters a cutting machine in front for cutting, the cut finished product continues to move forward, enters the next process or is coiled, the cut edge material, namely the waste film 00, returns back through the guide roller 71 and the steering roller 72, enters the discharging hopper 801 after passing through the space between the waste squeeze rollers 803, enters the space between the two rotary squeeze rollers 805, is conveyed to the fixed knife 806 and the crushing knife roller 807 through the high-speed rotation (up to 2000 rpm) of the rotary squeeze rollers 805 together with the waste falling from the punching device 6, is crushed, the crushed material is blown out through the material pumping fan 808, enters the rotary separating cylinder through the first pipeline 809, the rotary separating cylinder separates the gas in the crushed material, the gas is discharged, the crushed material falls, enters the feeding fan 811, and is returned to the waste feeding device 12 through the feeding fan and the second pipeline 812, then enters a primary stirring tank 14 through a conveyer belt to be stirred with the initial material, and then enters a secondary stirring tank 15 to be stirred. Repeating the steps all the time, and producing the reinforcing rib film with holes.

Other technical features than those described in the specification are known to those skilled in the art.

Claims

1. The utility model provides a PVC strengthens waste recovery device for manadesma production line which characterized by: the automatic material discharging device comprises a discharging hopper (801), wherein a waste hopper (802) is arranged above the discharging hopper (801), the lower end of the discharging hopper (801) is connected with a discharging channel (804), rotary extrusion rollers (805) which are meshed with each other are arranged in the discharging channel (804), a fixed knife (806) and a crushing knife roller (807) which are matched with each other are arranged below the rotary extrusion rollers (805), and a material pumping fan (808) is arranged at the lower end of the discharging channel (804); the upper end of the blanking channel (804) is also provided with two waste material extrusion rollers (803);

the outlet end of the material pumping fan (808) is connected with a cyclone separating cylinder (810) through a first pipeline (809), and the lower end of the cyclone separating cylinder (810) is provided with a feeding fan (811).

2. The waste recycling device for the PVC reinforced fascia production line as claimed in claim 1, wherein a striker plate (813) is arranged above the rotary extrusion roller (905).

3. The waste recycling device for PVC reinforced fascia production line as claimed in claim 1, wherein the distance between the two waste squeezing rollers (803) can be adjusted.