CN220719943U - Continuous wire screen changer for plastic granulation production - Google Patents

Abstract

The utility model relates to a continuous wire screen changer for plastic granulation production, which belongs to the technical field of plastic production equipment and comprises a shell, wherein a screen changer is arranged on the inner side of the shell and comprises two filter screen plates, a lifting device is arranged above each of the two filter screen plates, a material passing shell is arranged on the outer side of each filter screen plate, a through hole is arranged on each material passing shell, a heating pipe is arranged in each material passing shell, two sides of the screen changer are respectively provided with a material conveying device, each material conveying device comprises a circular connecting piece, the circular connecting pieces are connected with the material passing shell through screws, square pipes are arranged on the side surfaces of two adjacent circular connecting pieces, round pipes are arranged on the square pipes, a feeding hole is arranged on one side of each material conveying device, a discharging hole is formed in the other side of each material conveying device, each discharging hole comprises a discharging box, a transfer pipe is arranged on the inner side of each discharging box, one end of each transfer pipe is provided with a short-range hydraulic telescopic rod, and an auxiliary discharging hole is formed in the side surface of each discharging hole; the utility model has the advantages that the machine does not need to stop and restart in the process of replacing the net of the net changer, and the broken wire is not easy to generate after the net is replaced, etc.

Description

Continuous wire screen changer for plastic granulation production

Technical Field

The utility model relates to a continuous wire screen changer for plastic granulation production, belonging to the technical field of plastic production equipment.

Background

The screen changer is an important component device for filtering raw material impurities in the production process of a granulator, the large-volume impurities in the raw materials are screened and intercepted by a small-aperture filter screen, the raw materials with the impurities removed are continuously processed in the next step, defective products can be reduced after the raw materials processed by impurity removal treatment are processed, the quality of products is improved, and more small-volume impurities in the raw materials can be screened by replacing the filter screen by other meshes.

At present, the common screen changer is when changing the screen cloth or add vice mesh screen, need stop machine pause work earlier and clear up the back and just can change the screen cloth, not only change speed slow operation troublesome, still can make production efficiency reduce, and the common screen changer is in the screen change in-process, because the filter screen leaves the screen changer and leads to the air in the machine, the raw materials mix in the easy broken wire waste material when extruding after the air, manufacturing cost has been improved, the machine is closed the back and restart the in-process still need longer time be used for preheating the machine and can get into normal operating condition, the process of preheating can not only consume a large amount of energy, still can occupy longer production time, be unfavorable for industrial production, but if save preheating step, the granulator is produced under the condition of not preheating and is then produced the product of extremely poor quality easily, be difficult to normal use and sell, manufacturing cost has been increased when wasting resources.

Patent document CN104015270B discloses a continuous filament die head device, in this scheme, two slurry supply channels are set up inside the device, and through the collaborative work of two supply channels, when one of them supply channel goes wrong after, supply by another supply channel, can guarantee to supply the slurry by a full amount all the time, can avoid the plastics broken filament phenomenon that causes by the lack of materials, but in this scheme, carry out the shutoff with one side output channel through the flow divider, the inside powerful pressure of device makes the flow divider be difficult to accomplish totally closed, and the flow divider is pushed away by the raw materials after, gets into the air easily and leads to the formation broken filament.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a continuous wire-breaking wire-changing machine for plastic granulation production, which solves the problems that wire breaking is easy to occur after the machine is stopped and restarted in the wire-changing process of the wire-changing machine.

The utility model aims at realizing the following technical scheme, namely a continuous wire screen changer for plastic granulation production: including the shell, the shell inboard is equipped with trades net device, trade net device includes two filter screen boards, two the filter screen board top all is equipped with elevating gear, the filter screen board outside is equipped with the material shell, be equipped with the through-hole on the material shell, the inside heating pipe that is equipped with of material shell, trade net device both sides all are equipped with the feeding device, the feeding device includes circular connecting piece, circular connecting piece with the material shell passes through screwed connection, adjacent two circular connecting piece side is equipped with square tube, be equipped with the pipe on the square tube, the pipe with square tube fixed connection, feeding device one side is equipped with the pan feeding mouth, the feeding device opposite side is equipped with the discharge gate, the discharge gate includes the discharging case, the discharging case inboard is equipped with the transfer pipe, transfer pipe one end is equipped with the short range hydraulic telescoping rod, the discharge gate side is equipped with supplementary discharge gate, supplementary discharge gate with the shell passes through screwed connection.

Further, elevating gear includes the backup pad, the backup pad below is equipped with the support column, the support column with pass through welded connection with the material shell, the backup pad with the support column passes through screwed connection, be equipped with hydraulic telescoping rod in the backup pad, hydraulic telescoping rod with the backup pad passes through screwed connection, hydraulic telescoping rod with the filter screen board passes through the buckle to be connected, is convenient for hydraulic telescoping rod is right the filter screen board carries out lifting and reduces the operation, the backup pad is right hydraulic telescoping rod provides high support.

Further, the square tube comprises a first square tube, a second square tube is arranged on the side face of the first square tube, a partition plate is arranged between the second square tubes, round tubes are arranged on the first square tube and the second square tube, the partition plate is convenient to divide the square tube into two parts, and the round tubes are respectively connected with two material passing shells through the first square tube and the second square tube.

Further, a first discharging hole is formed in the discharging box, a connecting circular plate is arranged on the outer side of the first discharging hole, a sealing cover is arranged on one side of the discharging box, a sealing ring is arranged on the other side of the discharging box, the sealing cover and the sealing ring are connected with the discharging box through screws, and the connecting circular plate is used for connecting the discharging box with other production equipment.

Further, the transfer pipe includes main transfer pipe, main transfer pipe one side is equipped with first outflow hole, first outflow hole with first discharge hole size is the same, main transfer pipe opposite side with first side pipe is connected through the pipe, main transfer pipe one end is equipped with supplementary transfer pipe, is convenient for main transfer union coupling first side pipe, will the thick liquids that first side pipe carried are sent out from first outflow hole.

Further, the auxiliary transfer pipe is connected with the main transfer pipe through a buckle, a second outflow hole is formed in the bottom of the auxiliary transfer pipe, the side face of the auxiliary transfer pipe is connected with the second square pipe through a round pipe, the auxiliary transfer pipe is convenient to connect with the second square pipe, and slurry conveyed by the second square pipe is sent out from the second outflow hole.

Further, the auxiliary discharging hole comprises a mounting seat, a discharging box is arranged on the mounting seat, a fixing plate is arranged on the side face of the discharging box, a second discharging hole is formed in the fixing plate in a penetrating mode, and the mounting seat is connected with the fixing plate through screws, so that the auxiliary discharging hole is fixed with the shell.

Further, the discharging box is connected with the second outflow hole through a pipeline, so that the slurry sent out by the second outflow hole is conveniently conveyed into the discharging box.

Further, the side of the short-range hydraulic telescopic rod is provided with a mounting plate, the mounting plate is connected with the shell through welding, and the mounting plate is connected with the short-range hydraulic telescopic rod through screws, so that the short-range hydraulic telescopic rod is conveniently fixed with the shell.

In summary, compared with the prior art, the utility model has the following advantages:

1. in the utility model, the auxiliary discharge port is additionally arranged on the side surface of the screen changing box, and when the filter screen is changed, the positions of the transfer pipe and the auxiliary transfer pipe are changed, so that the slurry enters the auxiliary discharge port from the auxiliary transfer pipe and is output to other equipment, waste materials such as broken wires and the like caused by mixing air in the slurry in the screen changing process can be avoided, and the production cost is reduced;

2. according to the utility model, the double channels are arranged in the equipment, and when the net is replaced, one channel is blocked to enable the other channel, so that the net replacement work without stopping the machine can be realized, the restarting and preheating of the machine are avoided, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a partial structure of a screen changer according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a material conveying device according to the present utility model;

FIG. 4 is an exploded view of the structure of the discharge port and the auxiliary discharge port according to the present utility model;

FIG. 5 is a schematic perspective view of the structure of the adapter tube of the present utility model;

fig. 6 is a right-side view of the present utility model.

In the figure: 1-shell, 2-net changing device, 3-material conveying device, 4-material inlet, 5-material outlet and 6-auxiliary material outlet;

21-filter screen plates, 22-lifting devices, 23-material passing shells, 31-round connectors, 32-square pipes, 33-round pipes, 51-discharge boxes, 52-transfer pipes, 53-short-distance hydraulic telescopic rods, 54-mounting plates, 61-mounting seats, 62-discharge boxes, 63-fixing plates and 64-second discharge holes;

221-supporting plates, 222-supporting columns, 223-hydraulic telescopic rods, 231-through holes, 232-heating pipes, 321-first square pipes, 322-second square pipes, 323-partition plates, 511-first discharge holes, 512-connecting circular plates, 513-sealing covers, 514-sealing rings, 521-main transfer pipes, 522-first discharge holes, 523-auxiliary transfer pipes and 524-second discharge holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1, fig. 2 and fig. 6, a continuous wire-cutting screen changer for plastic granulation production comprises a housing 1, a screen changer 2 is arranged on the inner side of the housing 1, the screen changer 2 comprises two screen plates 21, lifting devices 22 are arranged above the two screen plates 21, a material passing shell 23 is arranged on the outer side of the screen plates 21, a through hole 231 is formed in the material passing shell 23, a heating pipe 232 is arranged in the material passing shell 23, material conveying devices 3 are arranged on two sides of the screen changer 2, the material conveying devices 3 comprise round connecting pieces 31, the round connecting pieces 31 are connected with the material passing shell 23 through screws, square pipes 32 are arranged on the sides of two adjacent round connecting pieces 31, round pipes 33 are fixedly connected with the square pipes 32, one side of each material conveying device 3 is provided with a material inlet 4, the other side of each material conveying device 3 is provided with a material outlet 5, each material outlet 5 comprises a material outlet 51, the inner side of each material outlet 51 is provided with a transfer pipe 52, one end of each transfer pipe 52 is provided with a short-range hydraulic telescopic rod 53, and the side of each material outlet 5 is provided with an auxiliary material outlet 6, and the auxiliary material outlet 6 is connected with the housing 1 through screws.

As shown in fig. 1 and 2, the lifting device 22 comprises a supporting plate 221, a supporting column 222 is arranged below the supporting plate 221, the supporting column 222 is connected with the material passing shell 23 through welding, the supporting plate 221 is connected with the supporting column 222 through screws, a hydraulic telescopic rod 223 is arranged on the supporting plate 221, the hydraulic telescopic rod 223 is connected with the supporting plate 221 through screws, the hydraulic telescopic rod 223 is connected with the screen plate 21 through buckles, so that the hydraulic telescopic rod 223 can conveniently lift and lower the screen plate 21, and the supporting plate 222 provides high support for the hydraulic telescopic rod 223;

as shown in fig. 3, the square tube 32 includes a first square tube 321, a second square tube 322 is disposed on a side surface of the first square tube 321, a partition 323 is disposed between the second square tube 322 of the first square tube 321, round tubes 33 are disposed on both the first square tube 321 and the second square tube 322, the partition 323 divides the square tube 32 into two parts, and the two round tubes 33 are respectively connected with the two material passing shells 23 through the first square tube 321 and the second square tube 322;

as shown in fig. 1 and 4, a first discharging hole 511 is formed in the discharging box 51, a connecting circular plate 512 is arranged on the outer side of the first discharging hole 511, a sealing cover 513 is arranged on one side of the discharging box 51, a sealing ring 514 is arranged on the other side of the discharging box 51, the sealing cover 513 and the sealing ring 514 are connected with the discharging box 51 through screws, the connecting circular plate 512 is used for connecting the discharging box 51 with other production equipment, the sealing cover 513 is used for sealing the switching tube 52 with the discharging box 51, and the sealing ring 514 is used for sealing the short-range hydraulic telescopic rod 53 with the discharging box 51;

as shown in fig. 3 and 5, the transfer pipe 52 includes a main transfer pipe 521, one side of the main transfer pipe 521 is provided with a first outflow hole 522, the first outflow hole 522 has the same size as the first discharge hole 511, the other side of the main transfer pipe 521 is connected with the first side pipe 321 through the round pipe 33, one end of the main transfer pipe 521 is provided with an auxiliary transfer pipe 523, the main transfer pipe 521 is connected with the first side pipe 321, and the slurry conveyed by the first side pipe 321 is sent out from the first outflow hole 522, and the slurry is sent out of the discharge tank 51 through the first discharge hole 511;

as shown in fig. 3 and 5, the auxiliary transfer pipe 523 is connected with the main transfer pipe 521 through a buckle, a second outflow hole 524 is formed in the bottom of the auxiliary transfer pipe 523, the side surface of the auxiliary transfer pipe 523 is connected with the second square pipe 322 through a circular pipe 33, so that the auxiliary discharge hole 523 is conveniently fixed with the shell 1, and when the main transfer pipe 521 moves outwards, the auxiliary transfer pipe 523 moves outwards along with the auxiliary transfer pipe 523 and is connected with the second square pipe 533 through the circular pipe 33, so that the slurry is sent to the auxiliary discharge hole 6;

as shown in fig. 1 and 5, the auxiliary discharging port 6 comprises a mounting seat 61, a discharging box 62 is arranged on the mounting seat 61, a fixed plate 63 is arranged on the side surface of the discharging box 62, a second discharging hole 64 is formed in the fixed plate 63 in a penetrating manner, the mounting seat 61 is connected with the fixed plate 63 through screws, and the auxiliary switching tube 523 sends slurry into the discharging box 62, and the slurry is conveyed to other equipment from the discharging box 62 through the second discharging hole 64;

referring to fig. 5, the discharge box 62 is connected to the second outflow hole 524 through a pipe, so that the slurry in the auxiliary transfer pipe 523 is conveniently transferred to the discharge box 62;

as shown in fig. 1 and 5, the side surface of the short-range hydraulic telescopic rod 53 is provided with a mounting plate 54, the mounting plate 54 is connected with the shell 1 through welding, the mounting plate 54 is connected with the short-range hydraulic telescopic rod 53 through screws, and the short-range hydraulic telescopic rod 53 is connected with the shell 1 through the mounting plate 54, so that the short-range hydraulic telescopic rod is convenient to fix firmly.

Working principle: when the filter screen plate 21 is required to be replaced, the lifting device 22 lifts the filter screen plate 21 through the hydraulic telescopic rod 223, one round tube 33 at the feed port 4 is closed, slurry passes through the other round tube 33 and the filter screen plate 21 and then is sent into the round connecting piece 31 connected with the filter screen plate 21 and the second square tube 322, the short-range hydraulic telescopic rod 53 is started, the round tube 33 connected with the first square tube 321 is separated from the main switching tube 521 and blocked by the outer wall of the switching tube 52, the auxiliary switching tube 523 is connected with the 33 connected with the second square tube 322, the second outflow hole 524 is connected with a pipeline below the second square tube 322, the slurry passes through the second square tube 322 and the 33 to enter the auxiliary switching tube 322, enters the filter screen plate 21 through the auxiliary switching tube 62 and then enters the first square tube 322, and finally is conveyed back to the first square tube 322, the slurry is conveyed back to the first telescopic rod 53 through the second square tube 322, the first telescopic rod is pulled out through the auxiliary switching tube 53, and finally the second square tube 322 is conveyed back to the first telescopic rod 511, and finally the slurry is conveyed back to the first telescopic rod 53, and finally the filter screen plate 21 is conveyed to the filter screen plate 2, and the filter screen plate is conveyed to the filter screen plate 2, and the filter screen is removed, and the filter screen is discharged, and the filter screen is discharged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. Continuous filament screen changer for plastic granulation production, comprising a housing (1), characterized in that: the utility model discloses a hydraulic pressure type screen changing device, which is characterized in that a screen changing device (2) is arranged on the inner side of a shell (1), the screen changing device (2) comprises two filter screen plates (21), two lifting devices (22) are arranged above the filter screen plates (21), a material passing shell (23) is arranged on the outer side of the filter screen plates (21), a through hole (231) is formed in the material passing shell (23), a heating pipe (232) is arranged in the material passing shell (23), material conveying devices (3) are arranged on two sides of the screen changing device (2), the material conveying devices (3) comprise round connecting pieces (31), the round connecting pieces (31) are connected with the material passing shell (23) through screws, square pipes (32) are arranged on the side faces of the round connecting pieces (31), round pipes (32) are fixedly connected with the square pipes (32), a material inlet (4) is formed in one side of the material conveying devices (3), a material outlet (5) is formed in the other side of the material conveying devices (3), the material outlet (5) comprises a round connecting piece (31), an auxiliary connecting pipe (52) is arranged on one side face of the material outlet box (51), a material outlet (52) is arranged on the other side face of the material conveying device (3), the auxiliary discharging hole (6) is connected with the shell (1) through screws.

2. A continuous filament screen changer for plastic pelletization production according to claim 1, characterized in that: lifting device (22) are including backup pad (221), backup pad (221) below is equipped with support column (222), support column (222) with pass through welded connection in material shell (23), backup pad (221) with support column (222) pass through screwed connection, be equipped with hydraulic telescoping rod (223) in backup pad (221), hydraulic telescoping rod (223) with backup pad (221) pass through screwed connection, hydraulic telescoping rod (223) with filter screen board (21) pass through buckle connection.

3. A continuous filament screen changer for plastic pelletization production according to claim 2, characterized in that: square tube (32) are including first side pipe (321), first side pipe (321) side is equipped with second side pipe (322), first side pipe (321) be equipped with baffle (323) between second side pipe (322), first side pipe (321) with all be equipped with pipe (33) on second side pipe (322).

4. A continuous filament screen changer for plastic pelletization production according to claim 3, characterized in that: be equipped with first discharge opening (511) on discharging case (51), first discharge opening (511) outside is equipped with and connects plectane (512), discharging case (51) one side is equipped with sealed lid (513), discharging case (51) opposite side is equipped with sealing ring (514), sealed lid (513) with sealing ring (514) with discharging case (51) pass through screwed connection.

5. A continuous filament screen changer for plastic pelletization production according to claim 4, wherein: the transfer pipe (52) comprises a main transfer pipe (521), a first outflow hole (522) is formed in one side of the main transfer pipe (521), the first outflow hole (522) is identical to the first discharge hole (511) in size, the other side of the main transfer pipe (521) is connected with the first side pipe (321) through a circular pipe (33), and an auxiliary transfer pipe (523) is arranged at one end of the main transfer pipe (521).

6. A continuous filament screen changer for plastic pelletization production according to claim 5, wherein: the auxiliary transfer pipe (523) is connected with the main transfer pipe (521) through a buckle, a second outflow hole (524) is formed in the bottom of the auxiliary transfer pipe (523), and the side face of the auxiliary transfer pipe (523) is connected with the second square pipe (322) through a circular pipe (33).

7. A continuous filament screen changer for plastic pelletization production according to claim 6, wherein: the auxiliary discharging hole (6) comprises a mounting seat (61), a discharging box (62) is arranged on the mounting seat (61), a fixing plate (63) is arranged on the side face of the discharging box (62), a second discharging hole (64) is formed in the fixing plate (63) in a penetrating mode, and the mounting seat (61) is connected with the fixing plate (63) through screws.

8. A continuous filament screen changer for plastic pelletization production according to claim 7, wherein: the discharging box (62) is connected with the second outflow hole (524) through a pipeline.

9. A continuous filament screen changer for plastic pelletization production according to claim 8, wherein: the side of the short-range hydraulic telescopic rod (53) is provided with a mounting plate (54), the mounting plate (54) is connected with the shell (1) through welding, and the mounting plate (54) is connected with the short-range hydraulic telescopic rod (53) through screws.