CN218614917U

CN218614917U - Online waste film smashing and recycling system

Info

Publication number: CN218614917U
Application number: CN202223183734.7U
Authority: CN
Inventors: 杨少华; 黄京宾; 康裴裴
Original assignee: XINLE HUABAO PLASTIC FILM CO LTD
Current assignee: XINLE HUABAO PLASTIC FILM CO LTD
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a waste film smashes recovery system on line, including draw material pipeline, breaker, air-assisted mechanism and ejection of compact pipeline, the breaker include the shell that has the stationary knife and the pivot that has the sword that moves, the pivot is connected with power unit, stationary knife and sword all set up to four groups, the shell on be provided with the mounting hole, the stationary knife is fixed in the mounting hole with the help of adjustment mechanism, the direction of stretching out of stationary knife is towards the opposite direction of pivot rotation, the cutting edge of stationary knife and the sword that moves rotate and be the arc phase-match; the fixed cutter is of a two-half structure with a separation groove in the middle, and comprises an upper fixed cutter and a lower fixed cutter; the upper part of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet with a screen. The recovery system is high in crushing efficiency, and the running power consumption of the whole system is obviously reduced compared with the prior art.

Description

Online waste film smashing and recycling system

Technical Field

The utility model belongs to the technical field of plastic film, concretely relates to recovery system is smashed on line to useless membrane.

Background

When the plastic film is produced, the plastic film is generally formed after passing through a plurality of rollers, the side edges are required to be cut according to the product requirements in the forming process, and the cut waste film is collected and can be used in the raw materials of a production line and mixed with waste materials for melting and then reused.

Present waste film recovery system is after the screening, carry to the crushing apparatus in by air-assisted mechanism, crushing apparatus obtains broken powder after smashing waste film, sends the powder back to the recovery extruder of production line again and carries out the melting and recycle, but present waste film is smashed the motor that uses 11KW and is carried out crushing operation, and the consumption is great, and the breaker is lower to the crushing efficiency of plastics waste film, consequently, needs to improve crushing recovery system.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's defect provides an online recovery system that smashes of waste film, and this system is through optimizing the route that wind sent the mechanism to and crushing mechanism's crushing sword form, make the operation consumption show and reduce, and recovery efficiency is showing and is improving in the unit interval.

The technical scheme of the utility model is that:

an online waste film smashing and recycling system comprises a guiding pipeline, a crusher, an air conveying mechanism and a discharging pipeline, wherein the crusher comprises a shell with fixed knives and a rotating shaft with movable knives, the rotating shaft is connected with a power unit, the key point is that the fixed knives and the movable knives are arranged into four groups, the shell is provided with mounting holes, the fixed knives are fixed in the mounting holes by virtue of an adjusting mechanism, the extending direction of the fixed knives faces to the opposite direction of the rotation of the rotating shaft, and the cutting edges of the fixed knives are matched with the arc shape formed by the rotation of the movable knives; the fixed knife is of a two-half structure with a separation groove in the middle, and comprises an upper fixed knife and a lower fixed knife; the upper part of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet with a screen.

The movable cutter comprises an installation seat and a cutter head, wherein the installation seat is provided with an installation groove, the installation groove is provided with a screw hole, the side surface of the cutter head is provided with an adjusting long hole, and a fastening bolt penetrates through the adjusting long hole and then is fixed in the installation groove; the bottom of mounting groove is provided with the location protrudingly, is provided with the puller bolt on the location protrudingly, and the puller bolt passes and fixes a position with the help of fastening nut behind the location protrudingly.

The adjusting mechanism comprises a rack on one side of the bottom of the partition groove and an adjusting tooth matched with the rack, the adjusting tooth penetrates through the shell by virtue of an adjusting shaft and is connected with a knob, the adjusting shaft comprises an optical axis section and a threaded section, the optical axis section penetrates through the shell and is in rotary fit with the shell, and the threaded section is positioned outside the shell and is matched with a limiting nut; the mounting hole is a slide way, and the outline of the outer circumference of the fixed knife is matched with the shape of the slide way.

The outer end of the fixed knife is provided with a limiting cap, and the root of the limiting cap is provided with scales along the extending direction of the fixed knife.

The air conveying mechanism comprises an air bag at the front end of the crusher and an induced draft fan connected with the rear end of the crusher; be connected with the steady voltage pipeline between wind package and the draught fan, be provided with the baffle between wind package and the steady voltage pipeline, seted up the ventilation slot gap on the baffle, the width of ventilation slot gap is less than 2mm.

The beneficial effects of the utility model are that: the utility model improves the crushing efficiency of the crusher to the plastic waste film by improving the structure of the fixed knife into two halves and adopting the mode of four groups of circumference layout, and the power consumption of the used motor is reduced from 11KW to 7.5KW; meanwhile, the mounting and adjusting structure of the fixed cutter is further improved, the protruding length of the fixed cutter is adjusted by utilizing the separation grooves of the two half structures and using the knob outside the adjusting teeth, so that the operation is more convenient and faster; whole recovery system still is at the lug connection steady voltage pipeline between wind package and draught fan, has improved the conveying effect of draught fan to the breaker crushed aggregates, and whole system's conveying effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the crusher.

Fig. 3 is an enlarged structural view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic structural view of a portion B in fig. 2.

Fig. 5 is a schematic view illustrating an assembled structure of the rack and the regulating teeth of fig. 4.

Fig. 6 is a schematic structural diagram of the middle partition plate of the present invention.

In the attached drawings, 1, a material guiding pipeline, 2, a crusher, 3, a material discharging pipeline, 4, a fixed knife, 401, a separation groove, 402, an upper fixed knife, 403, a lower fixed knife, 404, a limiting cap, 405, scales, 5, a shell, 501, a material inlet, 502, a material outlet, 503, a screen mesh, 6, a movable knife, 601, a mounting seat, 602, a knife head, 603, a screw hole, 604, an adjusting long hole, 605, a fastening bolt, 606, a positioning protrusion, 607, a jacking bolt, 608, a fastening nut, 7, a rotating shaft, 8, a power unit, 9, a mounting hole, 10, a rack, 11, an adjusting tooth, 12, an optical axis section, 13, a threaded section, 14, a knob, 1401, a limiting nut, 15, a wind packet, 16, an induced draft fan, 17, a pressure stabilizing pipeline, 18, a partition plate, 19 and a ventilation slot gap are included.

Detailed Description

The utility model relates to an online waste film smashing and recycling system, which comprises a feeding pipeline 1, a crusher 2, an air conveying mechanism and a discharging pipeline 3, wherein the crusher comprises a shell 5 with a fixed knife 4 and a rotating shaft 7 with a movable knife 6, the rotating shaft 7 is connected with a power unit 8, the fixed knife 4 and the movable knife 6 are respectively provided with four groups, the shell 5 is provided with a mounting hole 9, the fixed knife 4 is fixed in the mounting hole 9 by virtue of an adjusting mechanism, the extending direction of the fixed knife 4 faces to the opposite direction of the rotation of the rotating shaft 7, and the cutting edge of the fixed knife 4 is matched with the arc shape formed by the rotation of the movable knife 6; the fixed knife 4 is of a two-half structure with a separation groove 401 arranged in the middle, and comprises an upper fixed knife 402 and a lower fixed knife 403; the upper part of the shell 5 is provided with a feeding hole 501, and the bottom part is provided with a discharging hole 502 with a screen 503.

In a specific embodiment, as shown in fig. 1, waste films cut off from two sides of a plastic film on a production line are continuous strips, the two waste films enter a crusher 2 along a feed pipeline 1 to be crushed, a rotating shaft 7 of the crusher 2 is connected with a power unit 8, the power unit 8 is used for outputting power by a motor, the waste films are connected with the rotating shaft after passing through a belt transmission mechanism, the waste films enter the crusher 2 from a feed port 501 to be crushed, the crushed waste films are screened by a screen 503 and then enter an air supply mechanism and a discharge pipeline 3 through a discharge port 502, and the working process in the crusher 2 is mainly implemented by matching a fixed knife and a movable knife for crushing operation.

The movable knife 6 comprises an installation seat 601 and a knife head 602, wherein the installation seat 601 is provided with an installation groove, the installation groove is provided with a screw hole 603, the side surface of the knife head 602 is provided with an adjusting long hole 604, and a fastening bolt 605 passes through the adjusting long hole 604 and then is fixed in the installation groove; a positioning protrusion 606 is arranged at the bottom of the mounting groove, a puller bolt 607 is arranged on the positioning protrusion 606, and the puller bolt 607 penetrates through the positioning protrusion 606 and is positioned by means of a fastening nut 608; when the extending length of the movable blade 6 needs to be adjusted, the fastening bolt 605 is loosened to adjust the position of the movable blade 6, the fastening nut 608 is loosened to adjust the position of the puller bolt 607, after the movable blade 6 is fixed, the puller bolt 607 is rotated to the puller blade 6, and then the fastening nut 608 is screwed to loosen and fasten the puller bolt 607.

The mounting hole 9 of the fixed knife 4 is a slideway, the outer circumference contour of the fixed knife 4 is matched with the shape of the slideway, and the fixed knife can slide along the slideway and is adjusted and fixed at a specific position by an adjusting mechanism. The adjusting mechanism comprises a rack 10 on one side of the bottom of the partition groove 401 and an adjusting tooth 11 matched with the rack, the adjusting tooth 11 penetrates through the shell 5 by means of an adjusting shaft and is connected with a knob 14, the adjusting shaft comprises a light shaft section 12 and a threaded section 13, the light shaft section 12 penetrates through the shell 5 and is matched with the shell in a rotating mode, and the threaded section 13 is located outside the shell 5 and matched with a limiting nut 1401; when the fixed knife 4 is installed, the fixed knife 4 slides into the installation hole 9, the meshing position of the adjusting teeth 11 and the rack 10 is changed through the knob 14, after the fixed knife 4 is in place, the fixing knob 14 is fixed, the adjusting limit nut 1401 is screwed with the thread section 13, the adjusting teeth 11 are fixed, and the extending direction of the fixed knife 4 is not overlapped with the radius of the rotating shaft, so that when the fixed knife 4 and the movable knife 6 are broken and impacted, a part of force acts on the shell 5, large impact cannot be caused on the adjusting teeth 11, the limit of the fixed knife 4 is stable, the outer end of the fixed knife 4 is provided with a limit cap 404, the limit cap 404 can prevent foreign matters from entering the installation hole 9 and also provides a holding position for manual operation, the root of the limit cap 404 is provided with scales 405 along the extending direction of the fixed knife 4, and when the knob 14 adjusts the position, the moving distance can be guided by the exposed part of the scales 405.

When the movable knife 6 and the fixed knife 4 work in a matched mode, because the fixed knife 4 is of a two-half structure, after the movable knife 4 passes through the upper fixed knife 402 and when the movable knife 4 does not go to the next fixed knife 4, the mutual position of the film and the movable knife at the moment is not changed greatly, the part which is not crushed completely by the upper fixed knife 402 can be crushed secondarily by the lower fixed knife 403, compared with the integral fixed knife 4, when the contact position of the film and the movable knife 6 slightly changes after each fixed knife 4 passes through, the crushing at the same position needs to be performed again, the required contact times are more, the efficiency is lower, and the success rate of crushing by contacting one fixed knife 4 at a time due to the structure of the fixed knife 4 is higher.

The rear end of the crusher 2 is connected with an induced draft fan 16, the waste film conveying is mainly driven by the induced draft fan 16, in order to avoid the situation that the wind power is large and the waste film blocks a pipeline when the waste film is large, the wind conveying mechanism is further provided with a wind bag 15 at the front end of the crusher 2, a pressure stabilizing pipeline 17 is connected between the wind bag 15 and the induced draft fan 16, a partition plate 18 is arranged between the wind bag 15 and the pressure stabilizing pipeline 17, a ventilation groove gap 19 is formed in the partition plate 18, the width of the ventilation groove gap 19 is smaller than 2mm, the ventilation groove gap 19 is smaller, side air suction is formed on the side face of the wind bag 15, due to the fact that wind power exists in a main channel, the side wind power cannot suck the waste film, the main channel formed by the wind bag 15 and the crusher 2 can form relatively stable adsorption wind power, even if the waste film is large and blocked, the blockage can be instantly relieved and dredged through the pressure stabilizing pipeline 17, and the waste film conveying, the crushing and outputting processes are continuously carried out.

The utility model discloses well scheme structural design is more reasonable, obtains obviously improving to the crushing effect of plastic waste film, uses 11KW motor to reduce to can use 7.5KW motor to realize by the preceding, greatly reduced the consumption.

Claims

1. The waste film online smashing and recycling system comprises a guiding pipeline (1), a crusher (2), an air conveying mechanism and a discharging pipeline (3), wherein the crusher comprises a shell (5) with fixed knives (4) and a rotating shaft (7) with movable knives (6), and the rotating shaft (7) is connected with a power unit (8), and the waste film online smashing and recycling system is characterized in that the fixed knives (4) and the movable knives (6) are arranged into four groups, a mounting hole (9) is formed in the shell (5), the fixed knives (4) are fixed in the mounting hole (9) through an adjusting mechanism, the extending directions of the fixed knives (4) face the opposite direction of the rotation of the rotating shaft (7), and the cutting edges of the fixed knives (4) are matched with the arc shapes formed by the rotation of the movable knives (6); the fixed knife (4) is of a two-half structure with a separation groove (401) in the middle, and comprises an upper fixed knife (402) and a lower fixed knife (403); the upper part of the shell (5) is provided with a feeding hole (501), and the bottom of the shell is provided with a discharging hole (502) with a screen (503).

2. The waste film online crushing and recycling system of claim 1, wherein the movable knife (6) comprises a mounting seat (601) and a knife head (602), the mounting seat (601) is provided with a mounting groove, the mounting groove is provided with a screw hole (603), the side surface of the knife head (602) is provided with an adjusting long hole (604), and a fastening bolt (605) passes through the adjusting long hole (604) and then is fixed in the mounting groove; the bottom of the mounting groove is provided with a positioning protrusion (606), the positioning protrusion (606) is provided with a puller bolt (607), and the puller bolt (607) penetrates through the positioning protrusion (606) and then is positioned by means of a fastening nut (608).

3. The waste film online smashing and recycling system according to claim 1, wherein the adjusting mechanism comprises a rack (10) on one side of the bottom of the partition groove (401) and an adjusting tooth (11) matched with the rack, the adjusting tooth (11) penetrates through the shell (5) through an adjusting shaft and is connected with a knob (14), the adjusting shaft comprises a light shaft section (12) and a threaded section (13), the light shaft section (12) penetrates through the shell (5) and is matched with the shell in a rotating mode, and the threaded section (13) is located outside the shell (5) and is matched with a limiting nut (1401); the mounting hole (9) is a slideway, and the outer circumference outline of the fixed knife (4) is matched with the shape of the slideway.

4. The waste film on-line smashing and recycling system according to claim 1, wherein a limiting cap (404) is arranged at the outer end of the fixed knife (4), and scales (405) are arranged at the root of the limiting cap (404) along the extending direction of the fixed knife (4).

5. The online waste film crushing and recycling system according to claim 1, wherein the air conveying mechanism comprises an air bag (15) at the front end of the crusher (2) and an induced draft fan (16) connected with the rear end of the crusher (2); be connected with steady voltage pipeline (17) between wind package (15) and draught fan (16), be provided with between wind package (15) and steady voltage pipeline (17) baffle (18), seted up ventilation slot (19) on baffle (18), the width of ventilation slot (19) is less than 2mm.