CN110370497B - Silk-screen-free plastic melt filter - Google Patents
Silk-screen-free plastic melt filter Download PDFInfo
- Publication number
- CN110370497B CN110370497B CN201910790644.8A CN201910790644A CN110370497B CN 110370497 B CN110370497 B CN 110370497B CN 201910790644 A CN201910790644 A CN 201910790644A CN 110370497 B CN110370497 B CN 110370497B
- Authority
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- China
- Prior art keywords
- scraper
- screen plate
- filter screen
- chamber
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 239000012535 impurity Substances 0.000 claims abstract description 58
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 238000007790 scraping Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a silk-screen-free plastic melt filter, which comprises a hollow box body, wherein a filter screen plate is rotationally connected in the box body, the filter screen plate divides the inner cavity of the box body into a feeding cavity and a discharging cavity, and the box body is provided with a feeding port, a impurity discharging port and a discharging port; the box body is provided with a rotating shaft which is connected with the filter screen plate; the inside scraper that is fixed with of feeding chamber, scraper conflict screen plate and scrape impurity on the screen plate down, and the scraper can block the impurity of scraping down simultaneously and will scrape impurity guide to row's miscellaneous mouthful department. The rotating shaft is driven by driving parts such as a motor and drives the filter screen plate to rotate. The foreign matters attached to the screen plate are scraped by the scraper and moved toward the foreign matter discharge port under the guide of the scraper. The doctor blade blocks the scraped off impurities so that the impurities do not easily bypass the doctor blade and flow back into the treated area. And because scraper fixed connection is in the feed cavity, so the impurity of scraping can not rotate around the pivot in the feed cavity, and can be comparatively fast follow the row miscellaneous mouth and discharge.
Description
Technical Field
The invention relates to the technical field of silk-screen-free filters, in particular to a silk-screen-free plastic melt filter.
Background
Currently, chinese patent with publication number CN109822857a discloses a silk-screen-free filter, which comprises a box body and a filtering component, the inside of box is formed with the cavity, the filtering component including set up in the inside filter screen board of cavity, just the filter screen board will the cavity is separated into feed cavity and ejection of compact chamber, be provided with on the box UNICOM in feed inlet and the trash outlet of feed cavity, UNICOM in the discharge gate of ejection of compact chamber, trash outlet set up in trash outlet department, rotate on the box and be connected with the pivot, the one end of pivot stretches into to feed cavity and be connected with the scraper, the scraper support tightly in the filter screen board, the other end of pivot protrusion in the box is connected with the driving piece, the driving piece is used for the drive the pivot rotates.
When the plastic melt filter is used, plastic melt to be filtered is continuously injected into the feeding cavity from the feeding hole, the plastic melt in the feeding cavity passes through the filter screen plate and enters the discharging cavity under the action of melt pressure, and impurities mixed in the plastic melt are blocked by the filter screen plate and are attached to the filter screen plate. Meanwhile, the scraper is controlled to rotate through the driving piece and used for scraping off impurities on the filter screen plate and pushing the impurities to move in the feeding cavity. However, in the process that the scraper pushes the impurities to move in the feeding cavity, the impurities can be discharged through the impurity discharging port only when the impurities move to the impurity discharging port. Also during this process part of the impurities easily flow back through the gap between the doctor blade and the feed chamber into the area that has been scraped by the doctor blade.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a wire-free plastic melt filter which has the advantage that the impurities scraped off by the scraper can be discharged from the impurity discharge port relatively quickly and the impurities scraped off by the scraper are less likely to flow back into the already scraped area.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a no silk screen plastic melt filter, includes hollow box, the box is inside to be provided with the screen plate, the screen plate will the inner chamber of box is divided into feed chamber and ejection of compact chamber, set up on the box communicate in feed inlet and the trash outlet of feed chamber, set up on the box communicate in the discharge gate of ejection of compact chamber, the screen plate with the box rotates to be connected; a rotating shaft penetrates through the box body and is connected to the filter screen plate and used for driving the filter screen plate to circumferentially rotate; the feeding cavity is internally provided with a scraper which is abutted against the filter screen plate and used for scraping impurities on the filter screen plate, and the scraper can prevent the scraped impurities from passing through the scraper and guide the scraped impurities to the impurity discharging port.
Through above-mentioned technical scheme, during the use, with waiting to filter the plastics fuse-element from the feed inlet continuously pour into the feed chamber into, later the plastics fuse-element in the feed chamber enters into the ejection of compact chamber under the effect of fuse-element pressure, and the plastics fuse-element in the ejection of compact chamber is discharged from the discharge gate under the effect of fuse-element pressure, and the impurity that mix with in the plastics fuse-element is blocked by the filter screen plate, and the adhesion of partial impurity on the filter screen plate under the effect of fuse-element pressure. Meanwhile, the rotating shaft protrudes out of the end part of the box body and is connected with driving parts such as a motor, and the driving parts drive the filter screen plate to circumferentially rotate through the rotating shaft. In the process of rotation of the filter screen plate, the impurities attached to the filter screen plate are scraped by the scraper, the scraped impurities are close to the impurity discharge port, and then the scraped impurities gradually move to one side of the impurity discharge port under the guidance of the scraper. The scraper can block the scraped off impurities so that the impurities do not easily pass the scraper and flow back into the area that has been treated by the scraper, that is to say, the screen plate can have a good trafficability as long as it is scraped off by the scraper. And because scraper fixed connection is in the feed cavity, so in the use, the impurity of being scraped can not rotate around the pivot in the feed cavity for the impurity of being scraped can be comparatively fast follow the row of miscellaneous mouth and discharge. And the contact area between the scraper and the filter screen plate is smaller, the abrasion of the filter screen plate is slower, and the service life can be increased to a certain extent.
Preferably, the inner wall of the feeding cavity far away from the filter screen plate is provided with a bulge, and the rotating shaft penetrates through the middle part of the bulge; one end of the scraper is connected with the bulge, and the other end of the scraper is connected with the inner side wall of the feeding cavity.
Through above-mentioned technical scheme, protruding can fix a position the pivot for the pivot is difficult for taking place to rock in the use, and connects in the epaxial filter screen board of pivot and be difficult for appearing the slope, makes the rotation of filter screen board become more smooth and easy, and filter screen board is difficult for taking place the local wearing and tearing, has promoted the life of this filter screen board to a certain extent. One end of the scraper is connected with the bulge so as to eliminate the gap between the scraper and the bulge, so that impurities scraped by the scraper are not easy to flow back into the treated area from the gap between the scraper and the bulge. The other end of the scraper is connected to the inner side wall of the feeding cavity, so that a gap between the scraper and the inner side wall of the feeding cavity is eliminated, and scraped impurities are not easy to flow back to the treated area from the gap between the scraper and the inner side wall of the feeding cavity. Meanwhile, the contact area between the scraper and the filter screen plate is small, so that friction between the scraper and the filter screen plate can be effectively reduced, the maintenance period is prolonged, and the filter is more convenient to use.
Preferably, an elastic force application member is arranged on the scraper, and the elastic force application member applies an elastic force to the scraper, which points to one side of the filter screen plate, so that the scraper abuts against the filter screen plate.
Through above-mentioned technical scheme, support the scraper tightly on the screen plate through elastic force application piece to this guarantees that at screen plate pivoted in-process scraper can be contradicted in the screen plate all the time, even the screen plate takes place certain deformation towards the terminal surface of feeding chamber. Simultaneously, support the scraper of tightly on the screen plate all the time can more effectively clear away the impurity that attaches on the screen plate for the screen plate can have better trafficability characteristic, and comparatively filters the plastics fuse-element fast.
Preferably, the elastic force application member comprises a first spring and a second spring, the first spring is arranged in the protrusion and connected with the scraper, and the second spring is arranged in the inner wall of the feeding cavity and connected with the scraper.
Through above-mentioned technical scheme, set up spring one and spring two respectively on the both ends of scraper, spring one and spring two combined action for the difficult unilateral perk of scraper.
Preferably, a flow dividing plate is arranged in the feeding cavity and penetrated by the rotating shaft, a plurality of flow dividing holes are formed in the flow dividing plate, a material blocking part is formed at the position, opposite to the feeding hole, of the flow dividing plate, and the material blocking part is used for blocking plastic melt flowing out of the feeding hole and driving the plastic melt to flow towards two sides of the material blocking part.
Through above-mentioned technical scheme, during the use, the plastics fuse-element that flows from the feed inlet strikes on keeping off the material portion, later flows to keeping off material portion both sides to finally discharge from the reposition of redundant personnel hole. After the plastic melt is shunted, the pressure from the plastic melt received by the filter screen plate is relatively uniform, so that the filter screen plate is not easy to tilt on one side in the rotation process, the filter screen plate is further enabled to rotate smoothly, the edge of the filter screen plate is not easy to wear, the service life of the filter screen plate is prolonged to a certain extent, and the replacement period of the filter screen plate is prolonged.
Preferably, the scraper is abutted between the flow dividing plate and the filter screen plate, a impurity blocking part is formed on the flow dividing plate, one side of the impurity blocking part is abutted to the scraper, and the other side of the impurity blocking part extends to one side of the impurity discharging port.
Through above-mentioned technical scheme, keep off miscellaneous portion and scraper cooperation and form a semi-closed cavity, and the orientation of the opening of this cavity is opposite with filter screen board pivoted direction. When the scraper scrapes off impurities on the screen plate, the impurities can enter the chamber and move to the impurity discharging port side along the surface of the scraper. And the semi-enclosed chamber makes the scraped impurities less likely to flow back into the area that has been treated by the doctor blade.
Preferably, the flow dividing plate divides the feeding cavity into a flow dividing chamber at one side far away from the filter screen plate and a filter chamber at one side close to the filter screen plate, and the end area of the flow dividing chamber is smaller than that of the filter chamber.
Through above-mentioned technical scheme, the tip area of branch flow chamber is less than the tip area of filter chamber, and the space of branch flow chamber is less than the space of filter chamber that is to say, sets up like this, on the one hand can guarantee the filtration efficiency of this filter to the plastics fuse-element, on the other hand can reduce the stock in the feed chamber. The stock in the feeding cavity is reduced because the stock which remains in the feeding cavity for a long time is carbonized after being heated continuously, and the quality of the plastic melt is greatly influenced.
Preferably, the rotating shaft is provided with a discharge hole, the discharge hole is communicated with the discharge cavity, a plurality of through holes are circumferentially distributed on the side wall of the rotating shaft, and the through holes are used for communicating the discharge hole with the discharge hole.
Through the technical scheme, the plastic melt in the discharging cavity enters the discharging hole under the action of melt pressure, then enters the discharging hole through the through hole, and finally is discharged through the discharging hole. The through holes are circumferentially distributed on the rotating shaft, so that in the rotating process of the rotating shaft, the discharging holes in the rotating shaft can be communicated with the discharging hole through one or more through holes all the time, and plastic melt in the discharging cavity can continuously enter the discharging hole.
Preferably, a buffer chamber is arranged in the box body, the rotating shaft penetrates through the buffer chamber, and the through hole is communicated with the discharge hole through the buffer chamber.
Through above-mentioned technical scheme, with through-hole and discharge port UNICOM through the buffer chamber, at pivot pivoted in-process, all through-holes all with buffer chamber UNICOM all the time, that is to say that the plastics melt in the discharge chamber can be continuous, stably enter into the buffer chamber, later the plastics melt in the buffer chamber can enter into the discharge gate under the fuse-element pressure effect to finally discharge through the discharge gate, improved the efficiency that the plastics melt passed through.
Preferably, the discharging cavity is far away from the inner wall of the filter screen plate, a guide block is arranged on the inner wall of the discharging cavity, the guide block extends to one side of the discharging hole, and the guide block is reduced in diameter to one side of the rotating shaft.
Through the technical scheme, when the plastic melt contacts the guide block, the plastic melt can flow along the side wall of the guide block, so that the flow direction of the plastic melt is changed, and the plastic melt can conveniently and smoothly enter the discharge hole.
Drawings
FIG. 1 is an exploded view of an embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment;
FIG. 3 is a schematic structural view of the case;
FIG. 4 is a schematic view of the structure of the splitter plate;
FIG. 5 is a schematic view of a structure of a rotating shaft;
FIG. 6 is a schematic diagram of a box cover;
FIG. 7 is a partial schematic view of an embodiment, primarily for illustrating a linear doctor blade;
FIG. 8 is a partial schematic view of an embodiment, primarily for illustrating a dog bone-shaped blade;
fig. 9 is a partial schematic view of an embodiment, primarily for illustrating an arcuate doctor blade.
Reference numerals: 1. a case; 2. a screen plate; 3. a feed chamber; 31. a flow dividing chamber; 32. a filtering chamber; 4. a discharge cavity; 5. a feed inlet; 6. a impurity discharging port; 7. a discharge port; 8. a rotating shaft; 9. a scraper; 10. a protrusion; 11. an elastic force application member; 111. a first spring; 112. a second spring; 12. a diverter plate; 121. a material blocking part; 122. a foreign matter blocking part; 13. a diversion aperture; 14. a discharge hole; 15. a through hole; 16. a cache chamber; 17. a guide block; 18. a case shell; 19. a case cover; 20. a filter screen; 21. and a support plate.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
The utility model provides a no silk screen plastic melt filter, as shown in figure 1, includes box 1, and box 1 includes box 18 that one side set up the opening and establishes the case lid 19 in box 18 opening part, forms the cavity between box 18 and the case lid 19.
As shown in fig. 2 and 3, the filter screen plate 2 is arranged in the cavity of the box body 1, and the filter screen plate 2 separates the cavity to form a feeding cavity 3 far away from the box cover 19 and a discharging cavity 4 near the box cover 19. The side wall of the box shell 18 is provided with a feed inlet 5, and the end part of the feed inlet 5 is bent to one side of the filter screen plate 2 and is communicated with the feed cavity 3. The side wall of the case 18 is also provided with a trash outlet 6, and the end part of the trash outlet 6 penetrates through the case 18 and is communicated with the feeding cavity 3. The impurity discharging port 6 and the feed port 5 are respectively provided on two adjacent side walls in the case 18. The side wall of the case shell 18 is also provided with a discharge hole 7, and the discharge hole 7 is communicated with the discharge cavity 4.
As shown in fig. 2, the filter screen plate 2 is rotatably connected inside the box 1, a rotary shaft 8 is connected to the center of the filter screen plate 2 in a key manner, the end part of the rotary shaft 8 away from the filter screen plate 2 protrudes out of the outer wall of the box shell 18, a driving part is connected to the end part of the rotary shaft 8 protruding out of the box shell 18, and when the filter screen plate is used, the rotary shaft 8 and the filter screen plate 2 are controlled to rotate through the driving part. The driving piece can be a motor, and an output shaft of the motor is coaxially connected with the rotating shaft 8 through a coupler.
As shown in fig. 1 and 2, the filter screen plate 2 includes a filter screen 20 near the feeding chamber 3 and a support plate 21 near the discharging chamber 4, and the filter screen 20 and the support plate 21 are provided with filter holes, however, the pore diameter of the filter hole on the filter screen 20 is smaller than that of the filter hole on the support plate 21.
As shown in fig. 2 and 4, a protrusion 10 is integrally formed on the inner wall of the feeding cavity 3 far away from the screen plate 2, the protrusion 10 is cylindrical, and the protrusion 10 is penetrated from the center by the rotating shaft 8. The bulge 10 is sleeved with a flow dividing plate 12, the flow dividing plate 12 divides the feeding cavity 3 into a flow dividing chamber 31 far away from the filter screen plate 2 and a filter chamber 32 near the filter screen plate 2, the space of the flow dividing chamber 31 is smaller than that of the filter chamber 32, and the end area of the flow dividing chamber 31 is smaller than that of the filter chamber 32. The splitter plate 12 is provided with a plurality of splitter holes 13, and the splitter holes 13 are circumferentially distributed by taking the rotating shaft 8 as the center. The flow dividing plate 12 is formed with a blocking part 121, the blocking part 121 is opposite to the end part of the feeding cavity 3 communicated with the feeding hole 5, and the blocking part 121 is used for blocking the plastic melt flowing out of the feeding hole 5, so that the plastic melt is forced to flow to two sides of the blocking part 121. The splitter plate 12 is formed with a foreign matter blocking portion 122, one side of the foreign matter blocking portion 122 is connected with the edge of the foreign matter discharge port 6, and the other side of the foreign matter blocking portion 122 extends toward the rotating shaft 8 and is finally connected with the side wall of the boss 10.
As shown in fig. 1 and 2, a scraper 9 is abutted between the filter screen plate 2 and the diverter plate 12, and when the filter screen plate 2 rotates, the scraper 9 abutted against the filter screen plate 2 can scrape off impurities attached to the filter screen plate 2. One end of the scraper 9 is embedded by the side wall of the bulge 10, the bulge 10 penetrates through the scraper 9 towards the end face of the filter screen plate 2, the other end of the scraper 9 extends along the rotation direction of the filter screen plate 2 and is embedded into the inner wall of the feeding cavity 3, which is close to the impurity discharging port 6, and the scraper 9 penetrates through the feeding cavity 3 towards the inner wall of the filter screen plate 2. The scraper 9 is connected with elasticity application of force spare 11 on the side of deviating from the filter screen plate 2, and elasticity application of force spare 11 is with the elasticity of pointing to filter screen plate 2 one side to scraper 9 for scraper 9 supports tightly on filter screen plate 2. The elastic force application member 11 comprises a first spring 111 and a second spring 112, the first spring 111 is arranged inside the protrusion 10, the end part of the first spring 111 is connected to the end part of the scraper 9 close to the rotating shaft 8, the second spring 112 is arranged in the inner wall of the feeding cavity 3, and the end part of the second spring 112 is connected to the end part of the scraper 9 far away from the rotating shaft 8.
As shown in fig. 7, 8 and 9, the doctor blade 9 may be linear, broken line-shaped or arc-shaped.
As shown in fig. 2 and 5, a discharge hole 14 is formed in the center of the rotating shaft 8, the end of the rotating shaft 8, which is close to the box cover 19, is penetrated by the discharge hole 14 and communicated with the discharge cavity 4, and an orifice of the discharge hole 14, which is close to the box cover 19, is in a flaring arrangement. The opposite position of the rotating shaft 8 and the discharge hole 7 is provided with a plurality of through holes 15, and the through holes 15 are uniformly distributed in the circumferential direction by taking the axis of the rotating shaft 8 as the center. The inside buffering cavity 16 that is provided with of box 1, buffering cavity 16 are with pivot 8 have through-hole 15 one section to surround, and buffering cavity 16 communicates through-hole 15 and discharge gate 7.
As shown in fig. 2 and 6, the inner wall of the discharging cavity 4 far from the screen plate 2 is provided with a guide block 17, the central axis of the guide block 17 coincides with the central axis of the rotating shaft 8, the guide block 17 extends to the discharging hole 14 side, and the guide block 17 is reduced in diameter to the rotating shaft 8 side.
The specific use process of the silk-screen-free plastic melt filter is as follows: injecting the plastic melt to be filtered from the feed inlet 5; the plastic melt in the feed inlet 5 is discharged from the end part of the feed inlet 5 communicated with the diversion chamber 31 under the action of melt pressure; the plastic melt discharged from the feed port 5 impinges on the stopper 121, after which the plastic melt flows to both sides of the stopper 121; the plastic melt in the diversion chamber 31 flows out of the diversion holes 13 and into the filtering chamber 32; the plastic melt in the filtering chamber 32 passes through the filtering screen 20 plate 2 and enters the discharging cavity 4 under the action of melt pressure, and impurities mixed in the plastic melt are blocked by the filtering screen plate 2 and are attached to the filtering screen plate 2; the plastic melt in the discharging cavity 4 flows through the discharging hole 14, the through hole 15 and the buffer cavity 16 and is finally discharged from the discharging hole 7; the foreign matters attached to the screen plate 2 are scraped by the scraper 9 abutted against the screen plate 2 during the rotation of the screen plate 2, and then the scraped foreign matters move along the surface of the scraper 9 and finally enter the foreign matters discharge port 6.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (3)
1. The utility model provides a no silk screen plastic melt filter, includes hollow box (1), box (1) inside is provided with filter screen board (2), filter screen board (2) will the inner chamber of box (1) is separated into feed chamber (3) and ejection of compact chamber (4), set up on box (1) communicate in feed inlet (5) and trash outlet (6) of feed chamber (3), set up on box (1) communicate in discharge gate (7) of ejection of compact chamber (4), its characterized in that: the filter screen plate (2) is rotationally connected with the box body (1); a rotating shaft (8) is arranged on the box body (1) in a penetrating way, and the rotating shaft (8) is connected to the filter screen plate (2) and used for driving the filter screen plate (2) to circumferentially rotate; a scraper (9) is fixed in the feeding cavity (3), the scraper (9) is abutted against the filter screen plate (2) and used for scraping off impurities on the filter screen plate (2), the scraper (9) can prevent the scraped impurities from passing through the scraper (9) and guide the scraped impurities to the impurity discharging port (6);
a splitter plate (12) is arranged in the feeding cavity (3), the splitter plate (12) is penetrated by the rotating shaft (8), a plurality of splitter holes (13) are formed in the splitter plate (12), a material blocking part (121) is formed at the position, opposite to the feeding port (5), of the splitter plate (12), and the material blocking part (121) is used for blocking plastic melt flowing out of the feeding port (5) and driving the plastic melt to flow to two sides of the material blocking part (121);
the inner wall of the feeding cavity (3) far away from the filter screen plate (2) is provided with a protrusion (10), and the rotating shaft (8) penetrates through the middle part of the protrusion (10); one end of the scraper (9) is connected with the bulge (10), and the other end of the scraper (9) is connected with the inner side wall of the feeding cavity (3);
an elastic force application part (11) is arranged on the scraper (9), and the elastic force application part (11) applies an elastic force to the scraper (9) to point to one side of the filter screen plate (2) so that the scraper (9) is abutted against the filter screen plate (2);
the elastic force application part (11) comprises a first spring (111) and a second spring (112), the first spring (111) is arranged inside the bulge (10) and is connected with the scraper (9), and the second spring (112) is arranged in the inner wall of the feeding cavity (3) and is connected with the scraper (9);
the scraper (9) is abutted between the flow dividing plate (12) and the filter screen plate (2), a impurity blocking part (122) is formed on the flow dividing plate (12), one side of the impurity blocking part (122) is abutted against the scraper (9), and the other side of the impurity blocking part (122) extends to one side of the impurity discharging port (6);
the flow dividing plate (12) divides the feeding cavity (3) into a flow dividing chamber (31) at one side far away from the filter screen plate (2) and a filter chamber (32) at one side close to the filter screen plate (2), and the end area of the flow dividing chamber (31) is smaller than that of the filter chamber (32);
the rotary shaft (8) is provided with a discharge hole (14), the discharge hole (14) is communicated with the discharge cavity (4), a plurality of through holes (15) are circumferentially distributed on the side wall of the rotary shaft (8), and the through holes (15) are used for communicating the discharge hole (14) with the discharge hole (7).
2. The wire mesh-free plastic melt filter of claim 1, wherein: the box body (1) is internally provided with a cache chamber (16), the rotating shaft (8) passes through the cache chamber (16), and the through hole (15) is communicated with the discharge port (7) through the cache chamber (16).
3. The wire mesh-free plastic melt filter of claim 2, wherein: the discharging cavity (4) is far away from the inner wall of the filter screen plate (2) and is provided with a guide block (17), the guide block (17) extends to one side of the discharging hole (14), and the guide block (17) is contracted to one side of the rotating shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790644.8A CN110370497B (en) | 2019-08-26 | 2019-08-26 | Silk-screen-free plastic melt filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790644.8A CN110370497B (en) | 2019-08-26 | 2019-08-26 | Silk-screen-free plastic melt filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370497A CN110370497A (en) | 2019-10-25 |
| CN110370497B true CN110370497B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910790644.8A Active CN110370497B (en) | 2019-08-26 | 2019-08-26 | Silk-screen-free plastic melt filter |
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| CN (1) | CN110370497B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794006B (en) * | 2022-04-27 | 2023-09-05 | 佛山市六融制冷科技有限公司 | Split type constant temperature machine with filtering capability |
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| CN105413291A (en) * | 2015-12-20 | 2016-03-23 | 重庆德蒙特科技发展有限公司 | Flow-divided cutting fluid filter unit |
| CN109605711A (en) * | 2019-02-20 | 2019-04-12 | 浙江乐能科技有限公司 | Regenerated plastics fondant filter |
| CN109747076A (en) * | 2019-03-20 | 2019-05-14 | 杜常德 | A kind of plastic molten melt filter device |
| CN109822857A (en) * | 2019-03-29 | 2019-05-31 | 浙江乐能科技有限公司 | Regenerated plastics fondant filter |
| CN210552353U (en) * | 2019-08-26 | 2020-05-19 | 浙江乐能科技有限公司 | Plastic melt filter without silk screen |
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| CN110370497A (en) | 2019-10-25 |
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