CN210552923U

CN210552923U - Filter device for filtering molten plastic on granulator

Info

Publication number: CN210552923U
Application number: CN201921061236.0U
Authority: CN
Inventors: 徐兴龙; 华西平; 郑昀
Original assignee: SHANGHAI NEW SHANGHUA POLYMER MATERIAL CO Ltd
Current assignee: SHANGHAI NEW SHANGHUA POLYMER MATERIAL CO Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-19
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a filter equipment of molten state plastics filters on granulator, it includes fixed case and perforated plate, and fixed case setting is between the end of extruding of extruder and forming die, and the perforated plate setting still includes in fixed case: the fixed plate, push-and-pull piece and ejecting subassembly, the side of fixed case is provided with into business turn over hole, the fixed plate slides and sets up in the fixed case, be provided with the fixed orifices on the fixed plate, the perforated plate sets up in the fixed orifices, push-and-pull piece sets up outside fixed case and is close to business turn over hole one end fixed connection with the fixed plate, ejecting subassembly sets up outside fixed case and ejecting direction is mutually perpendicular with the push-and-pull direction of push-and-pull piece, when the perforated plate was pulled out fixed case and moved the position at ejecting subassembly place from business turn over hole by push-and-pull piece, the perforated plate is by the ejecting. The utility model discloses have the effect that manual operation's action, promotion were changed perforated plate efficiency when reducing the change perforated plate.

Description

Filter device for filtering molten plastic on granulator

Technical Field

The utility model belongs to the technical field of the technique of granulator and specifically relates to a filter equipment who filters molten state plastics on granulator is related to.

Background

The granulating machine is a forming machine capable of making plastic material into plastic granules with specific shape, and is characterized by that firstly, the plastic material is melted, the molten plastic material is extruded into forming mould by means of extruder, and passed through the forming mould and made into strip material, and the strip material is cooled and formed, and cut into granular finished product by means of cutting machine so as to implement the granulating operation.

The current granulator is in order to reduce the impurity in the material, generally can install a stainless steel filter screen piece additional between the extrusion position of extruder and forming die, the slippage is not warp in order to make filter screen piece under the extrusion of plastics melt, need have the metal perforated plate to give the support, a perforated plate filters the material under the molten condition, the perforated plate is fixed mounting in a fixed box, material under the molten condition need at first filter through the filter screen piece with the perforated plate support after being extruded from the extruder, later reentrant forming die, the setting of net piece and perforated plate, impurity in the finished product has been reduced to a certain extent, finished product quality has been promoted.

The above prior art solutions have the following drawbacks: the perforated plate is fixedly installed in the fixing box, the fixing box needs to be pulled out firstly when the filter screen at the front end of the perforated plate needs to be replaced due to longer service life, then the perforated plate and the screen are taken out together from the fixing box, and a new clean filter screen is replaced. In order to prevent the plastic melt under pressure from passing completely through the filter mesh without leaking laterally, the porous plate is mounted in tight engagement with the stationary box, making it very difficult to replace the mesh and remove the porous plate, usually by knocking with a copper bar. The whole process is manually completed by operators, the manual operation has more actions, higher strength, more complicated process and more time consumption, so that the replacement efficiency is lower and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter equipment of filtration molten state plastics on granulator, it has the action of artifical manually operation when reducing the change perforated plate, promotes the effect of changing perforated plate efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a filter equipment of molten state plastics filters on granulator, includes fixed case and perforated plate, fixed case sets up between the end of extruding of extruder and forming die, the perforated plate sets up in the fixed case still includes: the side surface of the fixed box is provided with an inlet and outlet hole, the fixed plate is arranged in the fixed box in a sliding mode, the fixed plate is provided with a fixed hole, the porous plate is arranged in the fixed hole, the push-pull piece is arranged outside the fixed box and fixedly connected with one end, close to the inlet and outlet hole, of the fixed plate, the ejection assembly is arranged outside the fixed box, the ejection direction of the ejection assembly is perpendicular to the push-pull direction of the push-pull piece, and when the porous plate is pulled out of the fixed box from the inlet and outlet hole by the push-pull piece and moves to the position of the ejection assembly, the porous plate is ejected out of the fixed hole by the ejection assembly.

Through adopting above-mentioned technical scheme, when the perforated plate needs to be changed, at first start the push-and-pull piece, push-and-pull piece pulling fixed plate pulls out the perforated plate from the fixed box, make the perforated plate aim at ejecting subassembly simultaneously, later start ejecting subassembly, it is ejecting with being in the perforated plate hole fixed orifices, the work of taking off the perforated plate is accomplished, change new clean perforated plate at last, install new clean perforated plate in the fixed orifices, restart push-and-pull subassembly advances the fixed plate in the fixed box, the work of changing the perforated plate is accomplished, compare with the change mode of current perforated plate, this kind of mode need not take off the fixed box when changing the perforated plate, also need not that operating personnel manually beats it down, the operation action of the fixed box of dismouting has been got rid of, change time is reduced, the efficiency of changing the perforated plate has been promoted.

The utility model discloses further set up to, be provided with the slide rail in the fixed box, the slide rail certainly business turn over hole extends fixed box, the fixed plate slides and sets up on the slide rail, the push-and-pull piece is fixed to be set up the slide rail extends the one end of fixed box, ejecting subassembly is fixed to be set up slide rail one side.

Through adopting above-mentioned technical scheme, the setting of slide rail for the fixed plate can be followed the slide rail slip business turn over when the fixed case of business turn over, has standardized the motion route of fixed plate, and the phenomenon of skew is difficult for taking place during the fixed plate motion, and the slide rail can also play the effect of supporting the fixed plate simultaneously, has promoted the stability of fixed plate motion.

The utility model discloses further set up to, ejecting subassembly includes mount and top moving part, the mount sets up on the slide rail, top moving part sets up on the mount, top moving direction of top moving part with the extending direction of slide rail is mutually perpendicular.

Through adopting above-mentioned technical scheme, the setting of mount provides a stable strong point for the top moves the piece performance top and moves the time spent, helps the better performance top of top moving the piece and moves the effect, and the top of top moving the piece moves the direction perpendicular with the extending direction of slide rail for when the top moving the article on the slide rail, the difficult dispersion of effort that exerts on the top moving the piece has promoted the effect of top moving.

The utility model discloses further set up to, be provided with the blend stop in the fixed orifices, the blend stop sets up the fixed orifices is close to forming die one side, the perforated plate certainly the fixed orifices is kept away from a forming die side gets into in the fixed orifices, and with the blend stop forms and separates the fender, ejecting subassembly is in and is close to forming die one side.

Through adopting above-mentioned technical scheme, because of molten state's plastics are keeping away from forming die one end from the fixed orifices and move to being close to forming die one end, the setting of blend stop for when the perforated plate was installed in the fixed orifices, the perforated plate was difficult to be close to forming die one end from the fixed orifices and is pushed out, was favorable to the perforated plate to exert filterable effect.

The utility model discloses further set up to, the ejecting end tip on the piece is moved in the top is provided with the ejector pin, the ejector pin is kept away from ejecting piece one end is in the top moves the piece top during the perforated plate with perforated plate surface contact, the hardness of ejector pin is less than the hardness of perforated plate.

Through adopting above-mentioned technical scheme, the setting of ejector pin for the ejector piece is difficult for damaging the surface of perforated plate when the perforated plate is moved in the top, is favorable to recycling of perforated plate.

The utility model discloses further set up to the fixed plate enters into when in the dead box, the fixed plate is close to the side surface of business turn over hole one end with business turn over hole edge just the fixed plate side with the pore wall in business turn over hole contacts.

Through adopting above-mentioned technical scheme, the fixed plate can block up business turn over hole completely when entering into the fixed box for molten state's plastics just can not be extruded from business turn over hole in the fixed box, have reduced the waste of raw materials.

The utility model discloses further set up to, the slide rail is provided with two that are parallel to each other, the upper and lower both ends of fixed plate respectively with two slide rail sliding connection.

Through adopting above-mentioned technical scheme, the slide rail sets up two for can the atress more even when the fixed plate slides, also be difficult for the roll-off slide rail when the fixed plate slides.

The utility model discloses further set up to, the perforated plate includes otter board and frame, the otter board is fixed to be set up just be in the frame and be close to blend stop one end.

Through adopting above-mentioned technical scheme, the otter board is fixed to be set up in the frame and is close to blend stop one end for the part of frame not installing the otter board can play the effect of a guide molten state plastics through the otter board, has promoted the filtration efficiency of perforated plate.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the perforated plate needs to be replaced, the push-pull piece is started firstly, the push-pull piece pulls the fixing plate to pull the perforated plate out of the fixing box, the perforated plate is aligned to the ejection assembly, then the ejection assembly is started to eject the perforated plate in the hole fixing hole, the work of taking down the perforated plate is completed, finally, a new clean perforated plate is replaced, the new clean perforated plate is installed in the fixing hole, the push-pull assembly is started to push the fixing plate into the fixing box, and the work of replacing the perforated plate is completed;

2. the setting of slide rail for the fixed plate can be followed the slide rail slip business turn over when business turn over fixed case, has standardized the motion route of fixed plate, and the phenomenon of difficult emergence skew when the fixed plate moves, and the slide rail can also play the effect of supporting the fixed plate simultaneously, has promoted the stability of fixed plate motion.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the perforated plate of the present invention.

In the figure, 1, a fixed box; 11. an inlet and outlet hole; 2. a slide rail; 21. a chute; 22. a vertical rod; 3. a perforated plate; 31. a screen plate; 32. a frame; 4. a fixing plate; 41. a fixing hole; 411. blocking strips; 5. a push-pull member; 6. ejecting the assembly; 61. a fixed mount; 611. a cross bar; 6111. a card slot; 612. a straight rod; 62. a jacking member; 621. a top rod; 7. an extruder; 8. and (5) forming a die.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a filter equipment of filtration molten state plastics on granulator, include: the device comprises a fixed box 1, a slide rail 2, a porous plate 3, a fixed plate 4, a push-pull piece 5 and an ejection assembly 6, wherein the fixed box 1 is arranged between an extrusion end of an extruder 7 and a forming die 8, a side surface of the fixed box 1 is provided with an inlet and outlet hole 11, the slide rail 2 is arranged in the fixed box 1, one end of the slide rail 2 is abutted against one side surface of the inner wall of the fixed box 1 far away from the inlet and outlet hole 11, the other end of the slide rail 2 extends out of the fixed box 1 from the inlet and outlet hole 11, the fixed plate 4 is arranged on the slide rail 2 in a sliding manner, the fixed plate 4 is provided with a fixed hole 41, the porous plate 3 is arranged in the fixed hole 41, the push-pull piece 5 is arranged outside the fixed box 1 and is fixedly connected with one end of the fixed plate 4 close to the inlet and outlet hole 11, the ejection assembly 6 is arranged outside the fixed box 1, the ejection direction is vertical to the push-pull direction, the perforated plate 3 is ejected out of the fixing holes 41 by the ejection assembly 6.

Referring to fig. 1 and 2, a fixing box 1 is rectangular and made of stainless steel, the fixing box 1 is fixedly connected with a forming die 8 and an extrusion end of an extruder 7 through bolts, two short sides of an inlet and outlet hole 11, which are rectangular and rectangular, are vertically parallel, a slide rail 2 is provided with two parallel short sides, which are vertically parallel, the slide rail 2 is rectangular and made of stainless steel, the slide rail 2 is welded to an inner wall of the fixing box 1, the width of the slide rail 2 is equal to the width of the inlet and outlet hole 11, a slide groove 21 is formed on one side surface of the two slide rails 2, which are close to each other, the section of the slide groove 21 is rectangular, two ends of a fixing plate 4 are matched with the slide groove 21, the fixing plate 4 is rectangular and made of stainless steel, when the fixing plate 4 enters the fixing box 1, the side surface of one end of the fixing plate 4, which is close to the inlet and outlet hole 11, is flat with the edge of the, the cross-section of fixed orifices 41 is circular and is in the central point that fixed plate 4 was followed and puts, in order to make fixing that perforated plate 3 can be firm in fixed orifices 41, integrated into one piece has a blend stop 411 in the fixed orifices 41, blend stop 411 is ring shape and cross-section and is the square, blend stop 411 encircles the setting of fixed orifices 41 pore wall, blend stop 411 sets up and is close to forming die 8 one side and a lateral surface that blend stop 411 is close to forming die 8 and is close to forming die 8 one end port edge with fixed orifices 41 and put down mutually at fixed orifices 41, perforated plate 3 keeps away from forming die 8 one side port from fixed orifices 41 and gets into fixed orifices 41 in, and form the fender with blend stop 411.

Referring to fig. 1 and 2, the porous plate 3 is disc-shaped and made of stainless steel, the porous plate 3 includes a screen plate 31 and a frame 32, the screen plate 31 is circular, the frame 32 is circular, the edge of the screen plate 31 is welded to the inner ring of the frame 32, and the screen plate 31 is located at one end of the frame 32 close to the barrier strip 411.

Referring to fig. 1 and 2, the fixed one end that extends fixed case 1 at slide rail 2 that sets up of push-and-pull piece 5, for the convenience push-and-pull piece 5 just comes the push-and-pull to fixed plate 4, the welding of one end tip that stretches out fixed case 1 at two slide rails 2 has a montant 22, montant 22 is the cuboid strip and is stainless steel material, montant 22 both ends and slide rail 2 vertical welding, push-and-pull piece 5 is the pneumatic cylinder, push-and-pull piece 5 can be the cylinder in other embodiments, push-and-pull piece 5 stretches out to the direction that is close to fixed case 1 through the piston rod of bolt fastening at montant 22 middle section position and push-and-pull piece 5, the piston rod of push-and.

Referring to fig. 1 and 2, the ejection assembly 6 is fixedly disposed on one side of the slide rail 2 close to the forming mold 8, and the ejection assembly 6 faces the porous plate 3 after the fixing plate 4 comes out of the fixing box 1, the ejection assembly 6 includes a fixing frame 61 and an ejector 62, the fixing frame 61 is disposed on the slide rail 2, the fixing frame 61 is composed of two cross bars 611 and a straight bar 612, the two cross bars 611 and the straight bar 612 are both rectangular and made of stainless steel, two ends of the straight bar 612 are respectively fixedly connected with ends of the two cross bars 611 through bolts, the straight bar 612 is vertically disposed, the two cross bars 611 are horizontally disposed in parallel, one side surface of each of the two cross bars 611 far away from one end of the straight bar 612 and close to each other is provided with a slot 6111, the slot 6111 has a U-shaped cross section, the width of the slot 6111 is the same as that of the slide rail 2, when the fixing frame 61 is installed, then, the bolts on the cross bars 611 are screwed down, so that the two cross bars 611 clamp the sliding rail 2, one side of each end of the two cross bars 611 far away from the straight rod 612 is subjected to chamfering treatment, the chamfering angles are the same, the pushing member 62 fixes the middle section of the straight rod 612 through the bolts, the pushing member 62 is a jack, in other embodiments, a hydraulic cylinder may be used, the pushing direction of the pushing member 62 is perpendicular to the extending direction of the sliding rail 2, and the pushing member 62 is pushed out in the direction close to the sliding rail 2.

Referring to fig. 1 and 2, a top bar 621 is welded to an end of the top end of the pushing member 62, the top bar 621 is cylindrical and made of copper material, and an end of the top bar 621 away from the pushing member 62 contacts with a surface of the screen plate 31 when the pushing member 62 pushes the porous plate 3.

The implementation principle of the embodiment is as follows: when the porous plate 3 needs to be replaced, firstly, the pushing and pulling part 5 is started, the pushing and pulling part 5 pulls the porous plate 3 out of the fixed box 1 by pulling the fixed plate 4, at this time, the pushing and moving component is opposite to the porous plate 3, the pushing and moving part 62 is started, the pushing and moving part 62 pushes the porous plate 3 from the surface of one side of the porous plate 3, which is close to the forming mold 8, through the ejector 621 in the direction away from the forming mold 8, the porous plate 3 is ejected out of the fixed hole 41, then a new clean porous plate 3 is placed in the fixed hole 41, the new clean porous plate 3 is plugged into the fixed hole 41 from the port at one end, which is far away from the forming mold 8, of the fixed hole 41, the edge of the porous plate 3 and the barrier strip 411 form a barrier, then, the pushing and pulling component is started again to push the fixed plate 4 into the fixed box 1 along the slide rail 2, the replacement of the porous plate 3 is completed, the labor intensity is reduced, and the replacement efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A filter equipment of molten state plastics on granulator, includes fixed case (1) and perforated plate (3), fixed case (1) sets up between the end of extruding of extruder (7) and forming die (8), perforated plate (3) set up in fixed case (1), its characterized in that still includes: a fixed plate (4), a push-pull piece (5) and an ejection component (6), wherein the side surface of the fixed box (1) is provided with an inlet and outlet hole (11), the fixed plate (4) is arranged in the fixed box (1) in a sliding way, a fixed hole (41) is arranged on the fixed plate (4), the porous plate (3) is arranged in the fixed hole (41), the push-pull piece (5) is arranged outside the fixed box (1) and is fixedly connected with one end of the fixed plate (4) close to the inlet and outlet hole (11), the ejection component (6) is arranged outside the fixed box (1) and the ejection direction is vertical to the push-pull direction of the push-pull piece (5), when the porous plate (3) is pulled out of the fixed box (1) from the access hole (11) by the push-pull piece (5) and moves to the position of the ejection component (6), the porous plate (3) is ejected out of the fixing hole (41) by the ejection assembly (6).

2. The filtering device for filtering plastic in a molten state on a granulator according to claim 1, wherein a sliding rail (2) is disposed in the fixed box (1), the sliding rail (2) extends out of the fixed box (1) from the access hole (11), the fixed plate (4) is slidably disposed on the sliding rail (2), the pushing and pulling member (5) is fixedly disposed at one end of the sliding rail (2) extending out of the fixed box (1), and the ejecting assembly (6) is fixedly disposed at one side of the sliding rail (2).

3. The filtering device for filtering plastics in a molten state on a granulator according to claim 2, characterized in that the ejection assembly (6) comprises a fixed frame (61) and an ejector (62), the fixed frame (61) is arranged on the sliding rail (2), the ejector (62) is arranged on the fixed frame (61), and the ejection direction of the ejector (62) is perpendicular to the extension direction of the sliding rail (2).

4. A filter device for filtering plastic in a molten state on a granulator according to claim 1, characterized in that a barrier strip (411) is provided in the fixing hole (41), the barrier strip (411) is provided on the side of the fixing hole (41) close to the forming die (8), the perforated plate (3) enters the fixing hole (41) from the end of the fixing hole (41) far from the forming die (8) and forms a barrier with the barrier strip (411), and the ejection assembly (6) is located on the side close to the forming die (8).

5. A filter device for filtering plastic in a molten state on a pelletizer as claimed in claim 3, wherein a top bar (621) is provided at the end of the top end of said movable top member (62), the end of said top bar (621) away from said movable top member (62) contacts the surface of said perforated plate (3) when said movable top member (62) pushes said perforated plate (3), and the hardness of said top bar (621) is less than the hardness of said perforated plate (3).

6. A filter unit in a granulator for filtering plastics in molten state according to claim 1, characterized in that, when said fixed plate (4) enters said fixed box (1), the side surface of said fixed plate (4) near one end of said access hole (11) is flush with the edge of said access hole (11) and the side surface of said fixed plate (4) is in contact with the wall of said access hole (11).

7. The filtering device for filtering plastic in a molten state on the granulator according to claim 2, wherein the two sliding rails (2) are parallel to each other, and the upper end and the lower end of the fixing plate (4) are respectively connected with the two sliding rails (2) in a sliding manner.

8. A filter unit for plastic in molten state on a granulator according to claim 4, characterized in that the perforated plate (3) comprises a mesh plate (31) and a frame (32), the mesh plate (31) is fixedly arranged in the frame (32) and is located near one end of the barrier strip (411).