CN211105511U - Layered filtering screen changer - Google Patents
Layered filtering screen changer Download PDFInfo
- Publication number
- CN211105511U CN211105511U CN201921832518.6U CN201921832518U CN211105511U CN 211105511 U CN211105511 U CN 211105511U CN 201921832518 U CN201921832518 U CN 201921832518U CN 211105511 U CN211105511 U CN 211105511U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- plate
- screen
- changer
- hydraulic cylinder
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- 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.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 20
- 241001233242 Lontra Species 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000004595 color masterbatch Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Abstract
The utility model relates to a layer-stepping filters and trades net ware belongs to plastics and extrudes processing tool technical field. The screen changer comprises a screen changer body, a transverse pushing hydraulic cylinder, a screen changing plate and filter screen main bodies, wherein one end of the screen changer body is provided with the transverse pushing hydraulic cylinder, a slide way is arranged on the screen changer body corresponding to the transverse pushing hydraulic cylinder, the screen changing plate is movably inserted in the slide way, the screen changing plate is fixedly connected with a piston rod of the transverse pushing hydraulic cylinder, and at least two filter screen main bodies are arranged on the screen changing plate; the filter screen main part comprises filter screen assembly piece, filter screen board A, filter screen board B and filter screen board C, is provided with central through-hole on the filter screen assembly piece, installs filter screen board A, filter screen board B and filter screen board C in proper order through the bolt interval form from a left side to the right side on the central through-hole. The screen changer adopts a graded filtering mode, so that the pressure of the melt is increased and reduced, the situations that the filter screen is crushed and the equipment is damaged are avoided, and the production working efficiency is improved.
Description
Technical Field
The utility model relates to a layer-stepping filters and trades net ware belongs to plastics and extrudes processing tool technical field.
Background
Raw materials produced by the silicon core tube mainly comprise HDPE resin, color master batch and other functional master batches, in the production process of the silicon core tube, because the raw materials are not plasticized or are not fully plasticized due to various reasons, other impurities fall into the raw materials during kneading, or the raw materials contain a small amount of impurities, quality defects can be caused to the tube in the production process, and in order to ensure the quality of the tube, a melt filtering screen changer needs to be installed on an extruder of the silicon core tube. The existing melt filtering screen changer has defects due to the structure, such as: only a single-layer filter screen is arranged in the filter screen changer, and the filter screen with a larger mesh number is required to be used for ensuring effective impurity filtration, so that the filter screen is easily blocked by impurities, the melt pressure in the extruder is increased rapidly, the load of a main machine is increased, equipment is easily damaged, the normal production efficiency is influenced, and meanwhile, the phenomenon that the filter screen is crushed due to rapid increase of the melt pressure is easily caused, and the product quality is directly influenced; and when the filter screen is damaged, the filter screen needs to be replaced by a worker, so that the production cost is increased. Therefore, there is a need for improvement thereof.
Disclosure of Invention
The utility model aims to provide a: the layered filtering screen changer is simple to install and good in practicability, and solves the problems that a filter screen or equipment is easily damaged, production efficiency is influenced, production cost is increased and the like due to the fact that melt pressure is increased sharply caused by the fact that a single-layer filter screen is easy to block existing in the conventional screen changer.
The technical scheme of the utility model is that:
a layered filtering screen changer comprises a screen changer body, a transverse pushing hydraulic cylinder, a screen changing plate and filter screen main bodies, wherein one end of the screen changer body is provided with the transverse pushing hydraulic cylinder through a hydraulic cylinder support frame; the method is characterized in that: the filter screen main part constitute by filter screen assembly piece, filter screen plate A, filter screen plate B and filter screen plate C, be provided with central through-hole on the filter screen assembly piece, filter screen plate A, filter screen plate B and filter screen plate C are installed in proper order through bolt interval form from a left side to the right side on the central through-hole.
Trade the wire stitcher body for the cuboid, trade the slide shape of wire stitcher body for the rectangle form, be provided with the feed inlet on the terminal surface of wire stitcher body, be provided with the discharge gate on another terminal surface of wire stitcher body, the feed inlet corresponds the setting with the discharge gate, feed inlet and discharge gate communicate with the slide respectively, be provided with seal ring respectively on feed inlet and the discharge gate, the border of feed inlet and discharge gate is in and trades the wire stitcher body on the equipartition respectively and is provided with the equipment pilot hole.
Trade the otter board be the rectangular plate, trade at least the symmetry form on the otter board and be provided with the logical groove of filter screen main part installation, be provided with the inner boss on the logical inslot wall of filter screen main part installation, the filter screen main part is with the supporting installation of the logical groove of filter screen main part installation.
The filter screen assembling block is cylindrical, a central hole of the filter screen assembling block is a stepped hole, and a limiting boss is arranged at one end of the filter screen assembling block.
The filter screen plate A, the filter screen plate B and the filter screen plate C are respectively in a disc shape, and mounting holes are respectively formed in the edges of the filter screen plate A, the filter screen plate B and the filter screen plate C.
The diameter of the filter screen plate A is larger than that of the filter screen plate B, and the diameter of the filter screen plate B is larger than that of the filter screen plate C.
The mesh number of the filter screen plate A is smaller than that of the filter screen plate B, and the mesh number of the filter screen plate B is smaller than that of the filter screen plate C.
The utility model has the advantages that:
this layered filtering screen changer, the installation is simple, the practicality is good, in operation, adopt hierarchical filterable mode, can carry out hierarchical filtration to it according to the particle size of filtering impurity through each filter screen, thereby make and filter the fuse-element pressure increase and reduce, the condition of very easily taking place the damage after having reduced the filter screen jam, production work efficiency has been improved simultaneously, the melt pressure that has solved current screen changer and has had because of the easy jam of individual layer filter screen sharply increases, extrude broken filter screen easily or cause the damage to equipment, influence production efficiency and increased manufacturing cost scheduling problem. Is very suitable for the requirements of enterprises.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is an exploded view of the main body of the filter screen of the present invention;
fig. 5 is a schematic front view of the screen changing plate of the present invention;
FIG. 6 is a schematic top view of the structure of FIG. 5;
fig. 7 is a schematic view of the installation structure of the present invention.
In the figure: 1. trade the net ware body, 2, violently push away the pneumatic cylinder, 3, trade the otter board, 4, the filter screen main part, 5, the pneumatic cylinder support frame, 6, the feed inlet, 7, the discharge gate, 8, seal ring, 9, the equipment pilot hole, 10, filter screen main part installation through groove, 11, the engaging lug board, 12, the connecting seat, 13, the guide bar, 14, filter screen assembly piece, 15, filter otter board A, 16, filter otter board B, 17, filter otter board C, 18, the mounting hole, 19, the pilot hole, 20, the barrel discharge end of extruder, 21, the barrel feed end of make-up machine, 22, spacing boss.
Detailed Description
This layer-stepping filtration trades screen (ing) ware is by trading screen (ing) ware body 1, violently push away pneumatic cylinder 2, trade the otter board 3 and filter screen main part 4 constitutes, trade screen (ing) ware body 1 and be the cuboid, be provided with feed inlet 6 on the terminal surface of trading screen (ing) ware body 1, be provided with discharge gate 7 on another terminal surface of trading screen (ing) ware body 1, feed inlet 6 corresponds the setting with discharge gate 7, feed inlet 6 and discharge gate 7 communicate with the slide respectively, be provided with seal ring 8 on feed inlet 6 and the discharge gate 7 respectively, the border of feed inlet 6 and discharge gate 7 is in and is being provided with equipment pilot hole 9 on trading screen (ing) ware body 1 respectively, in operation, through the cooperation of equipment pilot hole 9 with the bolt, can install between barrel discharge end 20 of extruder and the.
The transverse pushing hydraulic cylinder 2 is installed on one end of the screen changer body 1 through the hydraulic cylinder support frame 5, a slide way is arranged on the screen changer body 1 corresponding to the transverse pushing hydraulic cylinder 2, the slide way is rectangular, the screen changing plate 3 is movably inserted in the slide way, the screen changing plate 3 is a rectangular plate, one end of the screen changing plate 3 is provided with a connecting lug plate 11, the end of a piston rod of the transverse pushing hydraulic cylinder 2 is provided with a connecting seat 12, the connecting lug plate 11 and the connecting seat 12 are fixedly connected through a bolt, guide rods 13 are movably installed on the hydraulic cylinder support frames 5 on two sides of the transverse pushing hydraulic cylinder 2, one end of each guide rod 13 is fixedly connected with the screen changing plate 3, in operation, the transverse pushing hydraulic cylinder 2 drives the screen changing plate 3 to displace on the screen changer body 1 through the piston rod, the guide rods 13 play a role in guiding the screen changing plate 3, and stable movement of the screen changing plate 3 is guaranteed.
Trade the symmetrical form on otter board 3 and be provided with the logical groove 10 of filter screen main part installation, be provided with the inner boss on the inner wall that the logical groove 10 of filter screen main part installation, be provided with spacing boss 22 on the excircle of 14 one end ends of filter screen assembly piece, the spacing boss 22 of filter screen assembly piece 14 mutually supports with the inner boss that the logical groove 10 of filter screen main part installation, can play limiting displacement to filter screen assembly piece 14, in operation, filter screen main part 4 can be supporting to be installed in the logical groove 10 of filter screen main part installation of trading otter board 3.
The filter screen main body 4 is composed of a filter screen assembling block 14, a filter screen plate A15, a filter screen plate B16 and a filter screen plate C17, the filter screen assembling block 14 is cylindrical, a central through hole of the filter screen assembling block 14 is a stepped hole, the filter screen plate A15, the filter screen plate B16 and the filter screen plate C17 are respectively disc-shaped, mounting holes 18 are respectively arranged on the edges of the filter screen plate A15, the filter screen plate B16 and the filter screen plate C17, mounting holes 19 corresponding to the mounting holes 18 of the filter screen plate A15, the filter screen plate B16 and the filter screen plate C17 are respectively arranged on the central through hole, and as the diameter of the filter screen plate A15 is larger than that of the filter screen plate B16, the diameter of the filter screen plate B16 is larger than that of the; the central through hole is sequentially provided with a filter screen plate A15, a filter screen plate B16 and a filter screen plate C17 at intervals through bolts from left to right.
The mesh number of the filter screen plate A15 is smaller than that of the filter screen plate B16, and the mesh number of the filter screen plate B16 is smaller than that of the filter screen plate C17, so that the layered filtering effect can be achieved, the situation that the melt pressure is increased sharply can be reduced, and the situation that the filter screen is easily broken or the equipment is damaged due to the fact that the melt pressure is increased sharply after the filter screen is blocked is avoided.
The layered filtering screen changer can be installed between the discharge end 20 of the machine barrel of the extruder and the feed end 21 of the machine barrel of the forming machine through the matching of the equipment assembling holes 9 and the bolts, so that the feed port 6 of the layered filtering screen changer is correspondingly communicated with the discharge end 20 of the machine barrel of the extruder, and the discharge port 7 of the layered filtering screen changer is correspondingly communicated with the feed end 21 of the machine barrel of the forming machine.
After the layered filtering screen changer is used for a period of time, the filter screen plates need to be switched, the piston rod of the transverse pushing hydraulic cylinder 2 reciprocates to realize the switching of the filter screen plates, firstly, the filter screen main body 4 provided with the filter screen plate A15, the filter screen plate B16 and the filter screen plate C17 is assembled on the filter screen main body installation through groove 10 exposed outside the screen changing plate 3, the transverse pushing hydraulic cylinder 2 is opened, the piston rod of the transverse pushing hydraulic cylinder 2 retracts, the piston rod drives the screen changing plate 3 to move leftwards, the piston rod retracts to the right position, the transverse pushing hydraulic cylinder 2 is closed, the filter screen main body 4 exposed outside the screen changing plate 3 enters the screen changer body 1 under the movement of the screen changing plate 3, and are communicated with a feed inlet 6 and a discharge outlet 7 of the screen changer body 1 respectively, and the filter screen main body 4 which is originally in the screen changer body 1 is displaced out from the screen changer body 1 under the movement of the screen changing plate 3.
The extruder is started, the melt enters the feed inlet 6 from the discharge end 20 of the machine barrel of the extruder, and then enters the discharge port 7 through the feed inlet 6 by sequentially passing through the filter screen plate A15, the filter screen plate B16 and the filter screen plate C17, because the mesh number of the filter screen plate A15 is smaller than that of the filter screen plate B16, and the mesh number of the filter screen plate B16 is smaller than that of the filter screen plate C17, the impurities in the melt can be filtered in a layering manner, the condition that the melt pressure is increased sharply can be reduced, and the condition that the melt pressure is increased sharply after the filter screen is blocked, and the filter screen is easily broken or the equipment is damaged is avoided.
The melt after filtration enters the feeding end 21 of the machine barrel of the forming machine from the discharge port 7, and layered filtration of the melt is completed.
Originally, filter screen main part 4 in trade screen ware body 1, show out under the removal of trading otter board 3, will make used filter screen main part 4 take off from trading otter board 3, and install new filter screen main part 4 on the filter screen main part installation logical groove 10 of trading otter board 3, filter otter board A15, filter otter board B16 and filter otter board C17 are taken out respectively in proper order to the bolt that has used filter screen main part 4 through loosening filter screen main part 4, after clearing filter otter board A15, filter otter board B16 and filter otter board C17, install again on filter screen main part 4, can continue to use next time, in order to practice thrift reduction in production cost, have positive meaning to enterprise development.
Claims (7)
1. A layered filtering screen changer comprises a screen changer body (1), a transverse pushing hydraulic cylinder (2), a screen changing plate (3) and a filter screen main body (4), wherein one end of the screen changer body (1) is provided with the transverse pushing hydraulic cylinder (2) through a hydraulic cylinder support frame (5), the screen changer body (1) corresponding to the transverse pushing hydraulic cylinder (2) is provided with a slideway, the screen changing plate (3) is movably inserted in the slideway, the screen changing plate (3) and a piston rod of the transverse pushing hydraulic cylinder (2) are fixedly connected with bolts through a connecting seat (12) and a connecting lug plate (11) in a matching way, guide rods (13) are arranged on the hydraulic cylinder support frames (5) at two sides of the transverse pushing hydraulic cylinder (2), one end of each guide rod (13) is fixedly connected with the screen changing plate (3), and at least two filter screen main bodies (4) are arranged on the screen changing plate (3); the method is characterized in that: the filter screen main part (4) constitute by filter screen assembly piece (14), filter screen board A (15), filter screen board B (16) and filter screen board C (17), be provided with central through-hole on filter screen assembly piece (14), install filter screen board A (15), filter screen board B (16) and filter screen board C (17) through the bolt interval form in proper order on the central through-hole.
2. A layered filter screen changer as defined in claim 1, wherein: trade gauze element body (1) be the cuboid, trade the slide shape of gauze element body (1) and be the rectangle form, be provided with feed inlet (6) on the terminal surface of gauze element body (1), be provided with discharge gate (7) on another terminal surface of gauze element body (1), feed inlet (6) correspond the setting with discharge gate (7), feed inlet (6) and discharge gate (7) communicate with the slide respectively, be provided with seal ring (8) on feed inlet (6) and discharge gate (7) respectively, the border of feed inlet (6) and discharge gate (7) is in and trades on gauze element body (1) respectively the equipartition and is provided with equipment pilot hole (9).
3. A layered filter screen changer as defined in claim 1, wherein: trade otter board (3) be the rectangular plate, trade otter board (3) and go up at least symmetry form and be provided with the logical groove of filter screen main part installation (10), be provided with the inner boss on the logical groove of filter screen main part installation (10) inner wall, filter screen main part (4) and the supporting installation of the logical groove of filter screen main part installation (10).
4. A layered filter screen changer as defined in claim 1, wherein: the filter screen assembling block (14) is cylindrical, a central hole of the filter screen assembling block (14) is a stepped hole, and a limiting boss (22) is arranged at one end of the filter screen assembling block (14).
5. A layered filter screen changer as defined in claim 1, wherein: the filter screen plate A (15), the filter screen plate B (16) and the filter screen plate C (17) are respectively in a disc shape, and mounting holes (18) are respectively formed in the edges of the filter screen plate A (15), the filter screen plate B (16) and the filter screen plate C (17).
6. A layered filter screen changer as defined in claim 1, wherein: the diameter of the filter screen plate A (15) is larger than that of the filter screen plate B (16), and the diameter of the filter screen plate B (16) is larger than that of the filter screen plate C (17).
7. A layered filter screen changer as defined in claim 1, wherein: the mesh number of the filter screen plate A (15) is smaller than that of the filter screen plate B (16), and the mesh number of the filter screen plate B (16) is smaller than that of the filter screen plate C (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921832518.6U CN211105511U (en) | 2019-10-29 | 2019-10-29 | Layered filtering screen changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921832518.6U CN211105511U (en) | 2019-10-29 | 2019-10-29 | Layered filtering screen changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105511U true CN211105511U (en) | 2020-07-28 |
Family
ID=71723324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921832518.6U Expired - Fee Related CN211105511U (en) | 2019-10-29 | 2019-10-29 | Layered filtering screen changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105511U (en) |
-
2019
- 2019-10-29 CN CN201921832518.6U patent/CN211105511U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |