CN112403059A - Filter device convenient for replacing filter screen in plastic sheet extruder - Google Patents
Filter device convenient for replacing filter screen in plastic sheet extruder Download PDFInfo
- Publication number
- CN112403059A CN112403059A CN202011124777.0A CN202011124777A CN112403059A CN 112403059 A CN112403059 A CN 112403059A CN 202011124777 A CN202011124777 A CN 202011124777A CN 112403059 A CN112403059 A CN 112403059A
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- Prior art keywords
- connecting block
- filter
- filter screen
- groove
- pipe
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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.)
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- 239000002985 plastic film Substances 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011345 viscous material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a filtering device for conveniently replacing a filtering net in a plastic sheet extruder. According to the invention, the pushing device is arranged to drive the filter screen to descend and separate from the interior of the filter pipe, then the limiting plate is taken down, and the first connecting block and the second connecting block are separated from each other, so that the filter screen can be quickly replaced and cleaned, and the arranged sealing device can enable the sealing gasket made of rubber material to be always in contact with the special-shaped connecting device, the filter screen and the connecting block for sealing in the descending process of the filter screen, so that the material leakage is prevented when the filter screen is replaced; the two groups of filter screens connected by the connecting device can also be blocked and filtered by the filter screen above when the filter screen below is cleaned and replaced, so that the filter screen can be cleaned and replaced without stopping the machine.
Description
Technical Field
The invention relates to the technical field of filtering devices, in particular to a filtering device with a conveniently replaced filter screen in a plastic sheet extruder.
Background
The plastic sheet is used for producing hot forming products such as disposable plastic cups, plates, bowls, dishes, boxes and the like, and is widely applied to packaging in the fields of food, vegetable, fruit, beverage, dairy products, industrial parts and the like.
The plastic sheet needs to be heated and melted and then extruded and molded in the manufacturing process, certain impurities can be contained in the plastic sheet, the melting process can cause insufficient melting of internal particles, and therefore the subsequent extrusion efficiency is affected, a group of filtering devices need to be added between conveying pipes, but the existing filtering devices are not easy to replace in the cleaning process, the cleaning mode is stopped, the filtering net can be cleaned, time and labor are wasted, and the processing efficiency is affected to a certain extent.
Disclosure of Invention
The invention aims to provide a filtering device for conveniently replacing a filtering net in a plastic sheet extruder so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a conveniently change filter equipment of filter screen in plastics sheet extruder, includes conveyer pipe, filter tube, mounting flange dish, first fixed thread nail, thrust unit and filter screen, the surface of conveyer pipe is provided with the filter tube, the outer wall of conveyer pipe and the position fixed mounting who laminates mutually with the both sides of filter tube have mounting flange dish, mounting flange dish is installed in one side of filter tube through first fixed thread nail, the top fixed mounting of filter tube has thrust unit, thrust unit comprises support frame, roof and the electronic hydraulic stem that rigid material made, the support frame sets up in the top of filter tube, roof fixed connection is passed through at the top of support frame, the top fixed mounting of roof has electronic hydraulic stem, the output of electronic hydraulic stem passes the top of roof and extends to the inside of support frame, the top of filter tube and the bottom just correspond the position of electronic hydraulic stem output and run through and seted up the through groove The filter screen is divided into two groups, the adjacent ends of the filter screen are fixedly connected through a connecting device, one end of the filter screen, which is far away from the connecting device, is fixedly connected with a connecting block, the output end of the electric hydraulic rod is fixedly connected with the connecting block arranged at one end of the filter screen, one end of the connecting block extends into the filter pipe through a through groove on the surface of the filter pipe and enables the filter screen to be arranged in the hollow part of the interior of the filter pipe, an arc-shaped guide plate is fixedly arranged at the bottom of the inner wall of the filter pipe and positioned at one side of the through groove, symmetrically-distributed sealing devices are respectively arranged at the top and the bottom of the inner wall of the filter pipe and corresponding to the connecting device and the connecting block, each sealing device consists of a working groove, a spring, a sliding plate, a connecting rod and a sealing gasket, a working groove is arranged on, the one end fixedly connected with slide of work groove inner wall is kept away from to the spring, the outer wall of slide can be followed the inner wall slip of work groove, the one side that the spring was kept away from to the slide is sealed through connecting rod fixedly connected with, the sealed one end of keeping away from the connecting rod that fills up contacts with the lateral wall of connecting device and connecting block.
Preferably, connecting device falls the block by first connecting block, fixture block, second connecting block, draw-in groove and arc and constitutes, the piece is fallen to one side fixedly connected with arc that first connecting block and second connecting block kept away from each other, the piece is fallen to the arc at first connecting block top and the filter screen bottom fixed connection who is located the top, the arc of second connecting block bottom falls the top fixed connection of piece and the filter screen that is located the below, the draw-in groove has been seted up in the surface of second connecting block run-through, the inside joint of draw-in groove has the fixture block with draw-in groove looks adaptation, the fixture block is located the outside one end of draw-in groove and the bottom fixed connection of first connecting block.
Preferably, the gasket is made of a rubber material.
Preferably, the limiting plates made of rubber materials are arranged on the two sides of the first connecting block and the two sides of the second connecting block, and the limiting plates are fixedly installed on one sides of the first connecting block and the second connecting block through two groups of mutually symmetrical second fixing threaded nails.
Preferably, the inner hollow position of the conveying pipe is the same size as the inner hollow position of the filtering pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the pushing device is arranged to drive the filter screen to descend and separate from the interior of the filter pipe, then the limiting plate is taken down, and the first connecting block and the second connecting block are separated from each other, so that the filter screen can be quickly replaced and cleaned, and the arranged sealing device can enable the sealing gasket made of rubber material to be always in contact with the special-shaped connecting device, the filter screen and the connecting block for sealing in the descending process of the filter screen, so that the material leakage is prevented when the filter screen is replaced;
2. the two groups of filter screens connected by the connecting device can also be blocked and filtered by the filter screen above when the filter screen below is cleaned and replaced, so that the filter screen can be cleaned and replaced without stopping the machine.
Drawings
FIG. 1 is a schematic structural front view of the present invention;
FIG. 2 is an enlarged view of the structure A-A of the present invention;
fig. 3 is a schematic structural view of a front view of the connecting device of the present invention.
In the figure: the device comprises a conveying pipe 1, a filter pipe 2, a fixed flange plate 3, a first fixed threaded nail 4, a pushing device 5, a supporting frame 6, a top plate 7, an electric hydraulic rod 8, a through groove 9, a connecting device 10, a filter screen 11, a connecting block 12, a guide plate 13, a sealing device 14, a working groove 15, a spring 16, a sliding plate 17, a connecting rod 18, a sealing gasket 19, a first connecting block 20, a clamping block 21, a second connecting block 22, a clamping groove 23, a reversed arc block 24, a second fixed threaded nail 25 and a limiting plate 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a filter device convenient for replacing a filter screen in a plastic sheet extruder comprises a conveying pipe 1, a filter pipe 2, a fixed flange plate 3, a first fixed threaded nail 4, a pushing device 5 and a filter screen 11, wherein the surface of the conveying pipe 1 is provided with the filter pipe 2, the fixed flange plate 3 is fixedly installed on the outer wall of the conveying pipe 1 and the position, which is attached to the two sides of the filter pipe 2, of the outer wall of the conveying pipe 1, the fixed flange plate 3 is installed on one side of the filter pipe 2 through the first fixed threaded nail 4, the pushing device 5 is fixedly installed on the top of the filter pipe 2, the pushing device 5 comprises a support frame 6 made of rigid materials, a top plate 7 and an electric hydraulic rod 8, the support frame 6 is arranged on the top of the filter pipe 2, the top of the support frame 6 is fixedly connected through the top plate 7, the top of the top plate 7 is fixedly installed with the electric hydraulic rod 8, the output end of the electric hydraulic rod 8 penetrates through the, the top and the bottom of the filter pipe 2 and the position corresponding to the output end of the electric hydraulic rod 8 are provided with two groups of through grooves 9 in a penetrating way, the adjacent ends of the filter net 11 are fixedly connected through a connecting device 10, the end of the filter net 11 far away from the connecting device 10 is fixedly connected with a connecting block 12, the output end of the electric hydraulic rod 8 is fixedly connected with the connecting block 12 arranged at one end of the filter net 11, one end of the connecting block 12 extends into the filter pipe 2 through the through groove 9 on the surface of the filter pipe 2 and enables the filter net 11 to be arranged at the hollow part in the filter pipe 2, an arc-shaped guide plate 13 is fixedly arranged at the bottom of the inner wall of the filter pipe 2 and at one side of the through groove 9, the arc-shaped guide plate 13 is arranged to enable the impurities blocked by the filter net 11 to be brought into the through groove 9 and enable the connecting device 10 to bring the impurities out of, the top and the bottom of 2 inner walls of filter tube and the position that corresponds connecting device 10 and connecting block 12 all are provided with the sealing device 14 of symmetric distribution, sealing device 14 comprises work groove 15, spring 16, slide 17, connecting rod 18 and sealed 19 pad, just the position that corresponds to run through groove 9 on the lateral wall of conveyer pipe 1 has run through and has seted up work groove 15, one side fixedly connected with spring 16 of work groove 15 inner wall, the one end fixedly connected with slide 17 of work groove 15 inner wall is kept away from to spring 16, the inner wall of work groove 15 can be followed to slide 17's outer wall and slides, slide 17 keeps away from one side of spring 16 and passes through the sealed 19 pad of connecting rod 18 fixedly connected with, the sealed one end that connecting rod 18 was kept away from to sealed pad 19 contacts with the lateral wall of connecting device 10 and connecting block 12.
Preferably, connecting device 10 is fallen piece 24 by first connecting block 20, fixture block 21, second connecting block 22, draw-in groove 23 and arc and is constituteed, one side fixedly connected with arc that first connecting block 20 and second connecting block 22 kept away from each other falls piece 24, the arc at first connecting block 20 top falls piece 24 and the filter screen 11 bottom fixed connection who is located the top, the arc of second connecting block 22 bottom falls piece 24 and the top fixed connection of the filter screen 11 that is located the below, draw-in groove 23 has been seted up on the surface of second connecting block 22 through, the inside joint of draw-in groove 23 has the fixture block 21 with draw-in groove 23 looks adaptation, fixture block 21 is located the outside one end of draw-in groove 23 and the bottom fixed connection of first connecting block 20.
Preferably, the gasket 19 is made of rubber, and the gasket 19 made of rubber can be adapted to the special-shaped connecting device 10, the filter screen 11 and the connecting block 12 when the gasket 19 is sealed.
Preferably, the limiting plates 26 made of rubber materials are arranged on the two sides of the first connecting block 20 and the second connecting block 22, the limiting plates 26 are fixedly arranged on one sides of the first connecting block 20 and the second connecting block 22 through two sets of mutually symmetrical second fixing threaded nails 25, the first connecting block 20 and the second connecting block 22 which are fixed by the limiting plates 26 can be prevented from displacing through the filter screen 11 connected with the first connecting block 20 and the second connecting block 22, and the limiting plates 26 made of rubber materials can be attached to the inner wall of the through hole 9.
Preferably, the inner hollow position of the delivery pipe 1 is the same size as the inner hollow position of the filtering pipe 2.
When in use, firstly, the conveying pipe 1 and the fixed flange plate 3 are arranged at two ends of the filtering pipe 2 by using the first fixed screw thread 4, then, the melted materials can be filtered through the filtering pipe 2, the connecting device 10 and the connecting block 12 which are jointed with the inner wall of the through groove 9 can seal the through groove 9, the viscous materials are prevented from leaking from the through groove 9 in the filtering process, the first connecting block 20 and the second connecting block 22 which are fixed by using the limiting plate 26 can prevent the filtering net 11 which is connected with the second connecting block 22 through the first connecting block 20 from displacing, the limiting plate 26 made of rubber materials can be jointed with the inner wall of the through groove 9, when the filtering net 11 needs to be cleaned, the electric hydraulic rod 8 is firstly started to operate, the operation of the electric hydraulic rod 8 can drive the two groups of filtering nets 11, the connecting blocks 12 and the connecting device 10 to push downwards, the filter screen 11, the connecting block 12 and the connecting device 10 move through the inside of the through groove 9 in sequence in the process of pushing downwards, and due to different sizes in the moving process, the sliding plate 17 moves along the inner wall of the working groove 15 due to the elastic force of the spring 16, and the movement of the sliding plate 17 can enable the connecting rod 18 to push the sealing gasket 19 to move towards the inside of the through groove 9, and the sealing gasket 19 made of rubber material can enable the sealing gasket 19 to be always in contact with the special-shaped connecting device 10, the filter screen 11 and the connecting block 12, so that viscous materials in the filter pipe 2 are prevented from leaking, when the filter pipe 11 at the lower part and the connecting block 12 at the bottom part are separated from the inside of the filter pipe 2, the clamping block 21, the second connecting block 22 and the clamping groove 23 can be separated from the inside of the through groove 9, at the moment, the filter screen 11 at the upper part can be positioned, subsequently break away from the surface of second fixed screw 25 by first connecting block 20 and second connecting block 22, alright take off limiting plate 26 by the surface of first connecting block 20 and second connecting block 22, the fixture block 11 that pulls the below makes second connecting block 22 and draw-in groove 23 and first connecting block 20 and fixture block 21 break away from each other afterwards, alright drive second connecting block 22 and its below filter screen 11 and break away from like this, alright clear up the change so with filter screen 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a convenient filter equipment who changes filter screen in plastic sheet extruder, includes conveyer pipe (1), filter tube (2), fixed flange dish (3), first fixed screw thread nail (4), thrust unit (5) and filter screen (11), its characterized in that: the surface of conveying pipe (1) is provided with filter pipe (2), the outer wall of conveying pipe (1) and the position fixed mounting who laminates mutually with the both sides of filter pipe (2) have fixed flange dish (3), fixed flange dish (3) are installed in one side of filter pipe (2) through first fixed screw thread nail (4), the top fixed mounting of filter pipe (2) has thrust unit (5), thrust unit (5) comprise support frame (6), roof (7) and electronic hydraulic stem (8) that rigid material made, support frame (6) set up in the top of filter pipe (2), roof (7) fixed connection is passed through at the top of support frame (6), the top fixed mounting of roof (7) has electronic hydraulic stem (8), the output of electronic hydraulic stem (8) passes the top of roof (7) and extends to the inside of support frame (6), the utility model discloses a filter pipe, including filter tube (2), connecting device (8), connecting device (11), connecting piece (2) and filter screen (2), the top and the bottom of filter tube (2) just correspond the position of electronic hydraulic stem (8) output and run through and have seted up and run through groove (9), filter screen (11) set up to two sets of, and adjacent one end passes through connecting device (10) fixed connection, the one end fixedly connected with connecting block (12) of connecting device (10) are kept away from in filter screen (11), the output of electronic hydraulic stem (8) and connecting block (12) fixed connection that filter screen (11) one end set up, the one end of connecting block (12) is passed through the inside that runs through groove (9) and extend to filter tube (2) of filter tube (2) surface to make filter screen (11) set up in the inside cavity department of filter tube (2), the bottom of filter tube (2) inner wall just is located one side fixed mounting that runs through groove (9) has curved deflector (13), the top and the bottom of filter tube Put sealing device (14) of symmetric distribution, sealing device (14) comprises work groove (15), spring (16), slide (17), connecting rod (18) and sealed pad (19), just correspond the position that runs through groove (9) on the lateral wall of conveyer pipe (1) and run through and seted up work groove (15), one side fixedly connected with spring (16) of work groove (15) inner wall, one end fixedly connected with slide (17) of work groove (15) inner wall are kept away from in spring (16), the inner wall of work groove (15) can be followed to the outer wall of slide (17) slides, connecting rod (18) fixedly connected with sealed pad (19) are passed through to one side that spring (16) were kept away from in slide (17), the one end that connecting rod (18) were kept away from in sealed pad (19) contacts with the lateral wall of connecting device (10) and connecting block (12).
2. The filtering device for conveniently replacing the filtering net in the plastic sheet extruder according to claim 1, is characterized in that: the connecting device (10) consists of a first connecting block (20), a clamping block (21), a second connecting block (22), a clamping groove (23) and an arc-shaped inverted block (24), an arc-shaped inverted block (24) is fixedly connected to one side of the first connecting block (20) far away from the second connecting block (22), the arc-shaped inverted block (24) at the top of the first connecting block (20) is fixedly connected with the bottom of the filter screen (11) positioned above, the arc-shaped inverted block (24) at the bottom of the second connecting block (22) is fixedly connected with the top of the filter screen (11) positioned below, a clamping groove (23) is formed in the surface of the second connecting block (22) in a penetrating manner, a clamping block (21) matched with the clamping groove (23) is clamped in the clamping groove (23), one end of the clamping block (21) positioned outside the clamping groove (23) is fixedly connected with the bottom of the first connecting block (20).
3. The filtering device for conveniently replacing the filtering net in the plastic sheet extruder according to claim 2, is characterized in that: the gasket (19) is made of rubber.
4. The filtering device for conveniently replacing the filtering net in the plastic sheet extruder according to claim 1, is characterized in that: the both sides of first connecting block (20) and second connecting block (22) all are provided with limiting plate (26) that rubber materials made, limiting plate (26) are through two sets of mutual symmetry's second fixed thread nail (25) fixed mounting in one side of first connecting block (20) and second connecting block (22).
5. The filtering device for conveniently replacing the filtering net in the plastic sheet extruder according to claim 1, is characterized in that: the size of the hollow position in the conveying pipe (1) is the same as that of the hollow position in the filtering pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124777.0A CN112403059A (en) | 2020-10-20 | 2020-10-20 | Filter device convenient for replacing filter screen in plastic sheet extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124777.0A CN112403059A (en) | 2020-10-20 | 2020-10-20 | Filter device convenient for replacing filter screen in plastic sheet extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112403059A true CN112403059A (en) | 2021-02-26 |
Family
ID=74841192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011124777.0A Pending CN112403059A (en) | 2020-10-20 | 2020-10-20 | Filter device convenient for replacing filter screen in plastic sheet extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112403059A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2172594A1 (en) * | 1995-04-11 | 1996-10-12 | Yoshihiko Nakashima | Strainer |
| CN107345878A (en) * | 2017-07-25 | 2017-11-14 | 淮北庆荣高光建筑科技有限公司 | A kind of aluminium alloy plate tensile property test device being located in sodium chloride solution |
| CN208615282U (en) * | 2018-03-22 | 2019-03-19 | 南京滕达机械设备有限公司 | Extruder double-station does not shut down net-changing device |
| CN209221640U (en) * | 2018-12-04 | 2019-08-09 | 安徽万安塑料制品有限公司 | One kind being convenient for cleaning type hydraulic screen replacing device |
-
2020
- 2020-10-20 CN CN202011124777.0A patent/CN112403059A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2172594A1 (en) * | 1995-04-11 | 1996-10-12 | Yoshihiko Nakashima | Strainer |
| CN107345878A (en) * | 2017-07-25 | 2017-11-14 | 淮北庆荣高光建筑科技有限公司 | A kind of aluminium alloy plate tensile property test device being located in sodium chloride solution |
| CN208615282U (en) * | 2018-03-22 | 2019-03-19 | 南京滕达机械设备有限公司 | Extruder double-station does not shut down net-changing device |
| CN209221640U (en) * | 2018-12-04 | 2019-08-09 | 安徽万安塑料制品有限公司 | One kind being convenient for cleaning type hydraulic screen replacing device |
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Application publication date: 20210226 |