CN202162991U - Halt-free double-station filter screen round plate type screen replacing device - Google Patents
Halt-free double-station filter screen round plate type screen replacing device Download PDFInfo
- Publication number
- CN202162991U CN202162991U CN2011202347206U CN201120234720U CN202162991U CN 202162991 U CN202162991 U CN 202162991U CN 2011202347206 U CN2011202347206 U CN 2011202347206U CN 201120234720 U CN201120234720 U CN 201120234720U CN 202162991 U CN202162991 U CN 202162991U
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- Prior art keywords
- filter screen
- filter
- plate type
- filtering
- cylinder shell
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Abstract
The utility model relates to a halt-free double-station filter screen round plate type screen replacing device which comprises a filtering drum shell and filtering devices, wherein each filtering device comprises a filter screen round plate, a filtering screen is covered outside each filter screen round plate, two sets of filtering devices for mutual standby are arranged in an inner cavity of the filtering drum shell in parallel, a reversed T-shaped feeding cavity is arranged between the two sets of filtering devices, end parts of two shoulders of the reversed T-shaped feeding cavity are respectively and tightly connected with the filter screen round plates of the two sets of filtering devices, both the two sets of filtering devices are provided with discharge cavities, the two discharge cavities are communicated with each other and are combined as a discharge end, an inlet change reversing valve is arranged at the joint position of the reversed T-shaped feeding cavity, and an outlet reversing valve is arranged at the discharge end. The halt-free double-station filter screen round plate type screen replacing device can realize halt-free replacing and filtering through adjusting the inlet reversing valve and the outlet reversing valve simultaneously, any process of a filter is not needed to adjust when the replacing is performed, and no obvious change is caused to feeding and discharging, therefore, the normal operation of follow-up processes is ensured, interior-quality products are reduced, the work efficiency is improved, and the energy and the time are saved.
Description
Technical field
The utility model relates to the filter technology field of plastics machinery, especially a kind of double filter screen circular plate type net-changing device of not shutting down.
Background technology
In plastics machinery, filter also is a critical component, and plastic raw materials is extruded the back through the extruder heating spiral rod and got into filter net device; Because the plastic raw materials overwhelming majority can not adopt brand-new material article of manufacture, need add various auxiliary materials in process of production, like color material, modification agent etc.; Also can add a certain proportion of recovery cycle stock in the plastics that can be recycled; Because the impurity that contains in these auxiliary materials is more, contains post-production and use that impurity can influence product in the extruded product, filter makes material obtain filtering; And can improve the mixed effect of material, so filter has become necessary part.Because the particularity of the production of plastic raw materials extruding raw material, spray silk or going out in the membrane process, needs through being heated into molten condition; Could be formed the goods of different shape by mould, and all need not shut down use, the clean pressure that screen pack produced is less; If impurities more for a long time in the plastic raw materials, filter screen takes place to stop up over pressure and cause danger, along with the increase of pressure; It is many that amount of impurities in the plastics of being held back on the screen pack just becomes, thereby block screen pack.Therefore after filter screen blocks, should in time change filter screen, must shut down when changing filter screen, when changing the screen pack that blocks.The quantity-produced later process is brought influence, and shutdown need be heated again after changing the filter screen reparation, got into later process again, wastes energy, produces substandard products, causes waste.
The utility model content
The technical problem that the utility model will solve is: in order to solve the deficiency of prior art, the utility model provides a kind of double filter screen circular plate type net-changing device of not shutting down, and adopts two filters of parallel connection to realize not shutting down the draping operation, satisfies continuous production requirement.
The utility model solves the technical scheme that its technical problem adopted: a kind of double filter screen circular plate type net-changing device of not shutting down; Comprise the filter cylinder shell and be arranged on the filter in the filter cylinder shell inner cavity; Described filter comprises the filter screen plectane and is used for holding the roll-over through the fluid of filter screen plectane; Even several through holes that distribute on the filter screen plectane, the skin of filter screen plectane is coated with screen pack, and parallel connection is provided with the subsequent use each other filter of two covers in the inner chamber of described filter cylinder shell; Has the font of falling T feed cavity between the described two sets filtering device; The end of two shoulders of the described font of falling T feed cavity is tightly connected with the filter screen plectane of two sets filtering device respectively, and two sets filtering device all has the discharging chamber, and described two discharging chambeies interconnect and merge into a discharge end; The junction of the font of falling T feed cavity is equipped with the import reversal valve, and the outlet reversal valve is installed on the discharge end.
For making reversal valve be convenient to operation, described import reversal valve and outlet reversal valve include reversing valve core and pedestal are installed, and pedestal is installed is fixed on the filter cylinder shell, and reversing valve core has external part, and described external part passes the installation pedestal and extend out to outside the filter cylinder shell.
For the ease of changing filter screen plectane and the screen pack in the filter, have the end cap of filter on the described filter cylinder shell, described end cap is through being bolted on the filter cylinder shell.
Be connected with exterior line for ease, also have charging aperture that communicates with feed cavity and the discharging opening that communicates with discharge end, described charging aperture and discharging opening all have and exterior line flange connecting pipe.
The beneficial effect of the utility model is that the double filter screen circular plate type net-changing device of not shutting down of the utility model adopts the parallelly connected two sets filtering device that is provided with, and does not shut down the replacing filter through adjusting import reversal valve and the realization of outlet reversal valve; Need not regulate any operation of filter during replacing, input and output material does not have significant change, thereby guarantees the later process operate as normal; Reduce the generation of substandard products; Shutdown operation is not enhanced productivity, and energy savings is saved time; Save material, the detachable back of filter net device that is in the state of quitting work is changed or is cleaned.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation that the utility model is not shut down the optimum embodiment of double filter screen circular plate type net-changing device.
Fig. 2 is the partial enlarged drawing at B place among Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is the structural representation after the import reversal valve rotates 90 ° with the outlet reversal valve among Fig. 1.
Among the figure 1, the filter cylinder shell, 2, filter, 21, the filter screen plectane, 22, middle roll-over, 23, feed cavity, 24, the discharging chamber, 25, discharge end, 3, the import reversal valve, 4, the outlet reversal valve, 5, end cap, 231, charging aperture, 251, discharging opening, 6, flanged pipe.
The specific embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, the utility model is not shut down the structural representation of the optimum embodiment of double filter screen circular plate type net-changing device.A kind of double filter screen circular plate type net-changing device of not shutting down; Comprise filter cylinder shell 1 and be arranged on the filter 2 in filter cylinder shell 1 inner chamber; Filter 2 comprises filter screen plectane 21 and is used for holding the roll-over 22 through the fluid of filter screen plectane 21; Even several through holes that distribute on the filter screen plectane 21, the skin of filter screen plectane 21 is coated with screen pack, and parallel connection is provided with the subsequent use each other filter 2 of two covers in the inner chamber of filter cylinder shell 1; Has the font of falling T feed cavity 23 between the two sets filtering device 2; The end of two shoulders of the font of falling T feed cavity 23 is tightly connected with the filter screen plectane 21 of two sets filtering device 2 respectively, and two sets filtering device 2 all has 24, two discharging chambeies 24, discharging chamber and interconnects and merge into a discharge end 25; The junction of the font of falling T feed cavity 23 is equipped with import reversal valve 3, and outlet reversal valve 4 is installed on the discharge end 25.The end cap 5 that has filter 2 on the filter cylinder shell 1, end cap 5 is through being bolted on the filter cylinder shell 1.Also have charging aperture 231 that communicates with feed cavity 23 and the discharging opening 251 that communicates with discharge end 25, described charging aperture 231 all has and exterior line flange connecting pipe 6 with discharging opening 251.
As shown in Figure 3, import reversal valve 3 and outlet reversal valve 4 include reversing valve core and pedestal are installed, and pedestal is installed is fixed on the filter cylinder shell 1, and reversing valve core has external part, and external part passes the installation pedestal and extend out to outside the filter cylinder shell 1.
The utility model has changed traditional filtration device structure, and real realization need not shut down the purpose of draping, and the filter screen plectane 21 of employing is a plank frame, and filter area is big.Need regulate import reversal valve 3 and outlet reversal valve 4 during use simultaneously; Make one of them filter 2 in running order; Another is in halted state, and can change this moment to the filter 2 that is in halted state, and screen pack is cleaned for future use.
Shown in Figure 1, the filter 2 on the right is in running order, and the filter 2 on the left side is in halted state.Fused materials gets into from charging aperture 231; Under the effect of import reversal valve 3, get into the right side shoulder cavity of the font of falling T feed cavity 23; Thereby arrive the filter 2 on the right, fused materials filters through screen pack and gets into filter screen plectane 21 inner chambers, and impurity is filtered the net interception; Roll-over 22 gets into outlet reversal valves 4 backs from discharging opening 251 outflows, the filter operation of completion material in the fused materials process.
Shown in Figure 4, after operation simultaneously made import reversal valve 3 and outlet reversal valve 4 rotate 90 °, the filter 2 on the left side was in running order, and the filter 2 on the right is in halted state.Fused materials gets into from charging aperture 231; Under the effect of import reversal valve 3, get into the left side shoulder cavity of the font of falling T feed cavity 23; Thereby arrive the filter 2 on the left side, fused materials filters through screen pack and gets into filter screen plectane 21 inner chambers, and impurity is filtered the net interception; Roll-over 22 gets into outlet reversal valves 4 backs from discharging opening 251 outflows, the filter operation of completion material in the fused materials process.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (5)
1. do not shut down double filter screen circular plate type net-changing device for one kind; Comprise filter cylinder shell (1) and be arranged on the filter (2) in filter cylinder shell (1) inner chamber; Described filter (2) comprises filter screen plectane (21) and is used for holding the roll-over (22) through the fluid of filter screen plectane (21); Filter screen plectane (21) is gone up several through holes that evenly distribute, and the skin of filter screen plectane (21) is coated with screen pack, it is characterized in that: parallel connection is provided with the subsequent use each other filter (2) of two covers in the inner chamber of described filter cylinder shell (1); Has the font of falling T feed cavity (23) between the described two sets filtering device (2); The end of two shoulders of the described font of falling T feed cavity (23) is tightly connected with the filter screen plectane (21) of two sets filtering device (2) respectively, and two sets filtering device (2) all has discharging chamber (24), and described two discharging chambeies (24) interconnect and merge into a discharge end (25); The junction of the font of falling T feed cavity (23) is equipped with import reversal valve (3), and outlet reversal valve (4) is installed on the discharge end (25).
2. the double filter screen circular plate type net-changing device of not shutting down as claimed in claim 1; It is characterized in that: described import reversal valve (3) and outlet reversal valve (4) include reversing valve core and pedestal are installed; Pedestal is installed to be fixed on the filter cylinder shell (1); Reversing valve core has external part, and described external part passes the installation pedestal and extend out to outside the filter cylinder shell (1).
3. the double filter screen circular plate type net-changing device of not shutting down as claimed in claim 1 is characterized in that: the end cap (5) that has filter (2) on the described filter cylinder shell (1).
4. the double filter screen circular plate type net-changing device of not shutting down as claimed in claim 2, it is characterized in that: described end cap (5) is through being bolted on the filter cylinder shell (1).
5. the double filter screen circular plate type net-changing device of not shutting down as claimed in claim 1; It is characterized in that: also have charging aperture (231) that communicates with feed cavity (23) and the discharging opening (251) that communicates with discharge end (25), described charging aperture (231) and discharging opening (251) all have and exterior line flange connecting pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202347206U CN202162991U (en) | 2011-06-30 | 2011-06-30 | Halt-free double-station filter screen round plate type screen replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202347206U CN202162991U (en) | 2011-06-30 | 2011-06-30 | Halt-free double-station filter screen round plate type screen replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202162991U true CN202162991U (en) | 2012-03-14 |
Family
ID=45798842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202347206U Expired - Fee Related CN202162991U (en) | 2011-06-30 | 2011-06-30 | Halt-free double-station filter screen round plate type screen replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202162991U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241126A (en) * | 2011-06-30 | 2011-11-16 | 常州市创信知识产权代理有限公司 | Non-stop double-station circular-plate-type filter screen changer |
| CN103496051A (en) * | 2013-09-29 | 2014-01-08 | 昆山市华浦塑业有限公司 | Filtering device of film blowing machine |
| CN103831962A (en) * | 2012-11-25 | 2014-06-04 | 黄美昌 | Plastic extruder without replacing net |
| CN104786470A (en) * | 2015-05-12 | 2015-07-22 | 陈友春 | Double tee plastic extruder |
-
2011
- 2011-06-30 CN CN2011202347206U patent/CN202162991U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241126A (en) * | 2011-06-30 | 2011-11-16 | 常州市创信知识产权代理有限公司 | Non-stop double-station circular-plate-type filter screen changer |
| CN103831962A (en) * | 2012-11-25 | 2014-06-04 | 黄美昌 | Plastic extruder without replacing net |
| CN103496051A (en) * | 2013-09-29 | 2014-01-08 | 昆山市华浦塑业有限公司 | Filtering device of film blowing machine |
| CN103496051B (en) * | 2013-09-29 | 2016-04-06 | 昆山欣海韵贸易有限公司 | A kind of filter of inflation film manufacturing machine |
| CN104786470A (en) * | 2015-05-12 | 2015-07-22 | 陈友春 | Double tee plastic extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |