CN202440574U - Plastic extruder capable of replacing filter screen without shutdown - Google Patents
Plastic extruder capable of replacing filter screen without shutdown Download PDFInfo
- Publication number
- CN202440574U CN202440574U CN2012200959217U CN201220095921U CN202440574U CN 202440574 U CN202440574 U CN 202440574U CN 2012200959217 U CN2012200959217 U CN 2012200959217U CN 201220095921 U CN201220095921 U CN 201220095921U CN 202440574 U CN202440574 U CN 202440574U
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- China
- Prior art keywords
- filter screen
- cylinder
- melt
- plastic
- shutdown
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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
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- 239000004033 plastic Substances 0.000 title claims abstract description 63
- 229920003023 plastic Polymers 0.000 title claims abstract description 63
- 238000007599 discharging Methods 0.000 claims description 27
- 230000003068 static effect Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 4
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic extruder capable of replacing a filter screen without shutdown. The plastic extruder is characterized in that a multi-cylinder plastic melt filter is arranged between the end part of a charging barrel and a die head; the inlet end of the multi-cylinder plastic melt filter is connected with one end of the charging barrel and is internally provided with two or more shunting channels, wherein each shunting channel is provided with a shunting control valve; a filtering net and a filter net compressing block are respectively arranged behind each shunting control valve; each filter net compressing block is provided with a discharge runner, wherein each discharge runner is connected with a feeding hole of the die head; a discharge control valve is arranged on each discharge runner; a motor, an air cylinder or a hydraulic cylinder is arranged on the axis of each filtering net compressing block; a ventilation valve is arranged between each filter net compressing block and each filtering net; and the filtering net can be replaced just by powering off one group of control valve and using a power device without shutdown. The plastic extruder disclosed by the utility model has the beneficial effects of lightening the physical labor of operation personnel, improving the working efficiency, reducing wastes and saving electric energy.
Description
Technical field
The utility model relates to the plastics machinery field, does not especially shut down and changes the filter screen plastic extruder.
Technical background
The plastic flat fiber wire drawing machine of making both at home and abroad at present, selling, use, plastics circle silk wire drawing machine, its main frame is a plastic extruder; No matter its filter that uses is to use the most general plastic flat fiber wire drawing machine as the manual filter of single cylinder, or plastics are justified the silk wire drawing machine, in the production run process, often will be shut down the replacing screen pack; Will shut down replacing every day when particularly using plastic reclaimed material; Sometimes changed repeatedly in one day, screen pack of every replacing, operating personnel will carry out the manual work loading and unloading to the filter screen briquetting; Pay heavy manual labor, go back serious waste raw material and electric energy simultaneously.
The utility model content
The purpose of the utility model is to overcome above-mentioned defective; Producing for plastic flat fiber production or plastics circle silk provides a kind of and can long-time continuous normally move, and alleviates operating personnel's manual labor, enhances productivity; Improve raw material availability and energy savings, particularly do not shut down and change the filter screen plastic extruder.
For realizing above-mentioned purpose, do not shut down and change the filter screen plastic extruder, include reduction box, barrel, screw rod and die head; Barrel one end is fastened on the reduction box casing; Screw rod is installed in the barrel, it is characterized in that: said the shutdown changed the filter screen plastic extruder, is the multi-cylinder plastic melt to be installed cross the Lu device between barrel end and die head; The multi-cylinder plastic melt is crossed Lu device feed end and is connected with barrel one end, and the multi-cylinder plastic melt is crossed Lu device discharge end and is connected with die head.
As preferably: said multi-cylinder plastic melt is crossed and is established two and two above runners in the device of Lu; Shunting valve is installed on the runner; Screen pack and filter screen compact heap are installed behind the shunting valve, and the filter screen compact heap is provided with the discharging runner, and filter screen compact heap discharging runner communicates with mistake Lu device cylinder body discharging runner; Cylinder body discharging runner is connected with die head charging runner, and the discharging control valve is installed on its runner.
As preferably: said multi-cylinder plastic melt is crossed between filter screen compact heap and the filter screen on the device of Lu and is provided with breather valve.
As preferably: said multi-cylinder plastic melt is crossed between Lu device discharging runner and the die head static melt mixer is installed.
As excellent: the filter screen compact heap that said multi-cylinder plastic melt is crossed on the device of Lu is more than two or two, and every filter screen compact heap is equipped with power set.
The beneficial effect of the utility model is: cross the Lu device because the multi-cylinder plastic melt is installed between barrel end and die head; A plurality of screen packs that the working power device is crossed the Lu device to the multi-cylinder plastic melt take turns to change, and need not shut down, and can not influence ordinary production; Therefore can alleviate operating personnel's manual labor; Increase work efficiency, cut the waste, saves energy.
Description of drawings
Fig. 1 is that the utility model is not shut down the structural representation that changes filter screen plastic extruder embodiment.
Fig. 2 is that the utility model is not shut down a kind of multi-cylinder plastic melt that changes filter screen plastic extruder embodiment and crossed Lu general ability portion cross-sectional schematic.
The specific embodiment
Below in conjunction with accompanying drawing further explain embodiment
With reference to Fig. 1: Fig. 1 is that the utility model is not shut down the structural representation that changes filter screen plastic extruder embodiment, and 1-reduction box, 2-hopper, 3-barrel, 4-screw rod, 5-melt charging joint, 6-left side power set, 7-left side filter screen briquetting, 8-left side filter screen, 9-left side melt discharging control valve, the discharging of 10-melt are taken over, the right melt discharging of 11-control valve, 12-multi-cylinder plastic melt are crossed Lu device, 13-die head, the right power set of 14-, the right breather valve of 15-, the right melt charging of 16-control valve, 17-left side melt charging control valve, 18-left side breather valve, do not shut down and change the filter screen plastic extruder, includes reduction box 1, hopper 2, barrel 3, screw rod 4, multi-cylinder plastic melt and crosses Lu device 12 and die head 13; Barrel 3 one ends are connected with reduction box 1; The other end is crossed Lu device 12 with the multi-cylinder plastic melt and is connected, and the multi-cylinder plastic melt is crossed Lu device 12 and is connected with die head 13, and the multi-cylinder plastic melt is crossed Lu device 12 and included left power set 6 and right power set 14, left filter screen briquetting 7 and right filter screen briquetting, left filter screen 8 and right filter screen; Cross at the multi-cylinder plastic melt and to be equipped with on the Lu device 12 that right breather valve 15, right melt charging control valve 16, left melt charging control valve 17, left breather valve 18, left melt discharging control valve 9, melt discharging take over 10, right melt discharging control valve 11; During ordinary production, the plastic solidification raw material gets into extruder barrel 3 from feed hopper 2, under temperature and screw rod 4 effects; The plastic solidification raw material is fused into melt gradually and gets into fondant filter 12 from the barrel end; Filter through fondant filter 12, the plastic melt behind the removal impurity is taken over 10 from the discharging of filter melt and is got into die heads 13 extrusion moldings, sees that from figure the said plastic melt filter 12 of present embodiment is twin-tub double filter screen filter; When changing filter screen; To change left filter screen is example, at first closes left melt charging control valve 17 and left melt discharging control valve 9, and this moment, right filter screen worked on; Open left breather valve 18; Start left power set (motor or cylinder or hydraulic cylinder) 6, left filter screen briquetting 7 is pulled out, start left power set 6 after more changing left filter screen 8; Left filter screen briquetting 7 is advanced to the operating position; Slowly open left melt charging control valve 17, treat that melt extrusion closes left breather valve 18 when the air outlet of left breather valve 18 has been arranged gas, open big left melt charging control valve 17 and left melt discharging control valve 9; Left side filter screen 8 is in normal operating conditions; This moment, both sides two filter screens were worked simultaneously, when needing to change right filter screen, in kind changed right filter screen; This draping in turn need not shut down; Greatly increase work efficiency, improved working strength of workers, save material and reduce power consumption.And the melt discharging is taken over
With reference to Fig. 2: Fig. 2 is that the utility model is not shut down the multi-cylinder plastic melt that changes filter screen plastic extruder embodiment and crossed Lu general ability portion cross-sectional schematic; 7-left side cylinder filter screen briquetting, 21-left side cylinder filter screen briquetting discharge opening, 8-left side cylinder filter screen, 9-left side melt discharging control valve, the discharging of 10-melt are taken over, the right melt discharging of 11-control valve, 22-left side cylinder discharge opening, 23-melt static mixer, the right cylinder discharge opening of 24-, 25-melt part runner on the left side, 26-melt sprue, 27-melt part runner, the right cylinder filter screen of 28-briquetting discharge opening, the right cylinder breather valve of 15-, the right cylinder charging of 16-control valve, 17-left side cylinder charging control valve, 18-left side cylinder breather valve, 5-feed pipe, 29-porous plate on the right side; It is that twin-tub double filter screen plastic melt is crossed the Lu device that present embodiment multi-cylinder plastic melt is crossed the Lu device; During ordinary production; Melt gets into melt sprue 26 backs from feed pipe 5 and divides two-way; The flow process of two-way is the same; The left road of at present giving an example is following: left road get into melt part on the left side runner 25 through left cylinder charging control valve 17 controls after left cylinder filter screen 8 filters, pass porous plate 29, go the die head moulding through left cylinder filter screen briquetting discharge opening 21, left cylinder discharge opening 22, left cylinder discharging control valve 9 again; Right wing melt flow process is the same; In the adapter 10 between two discharging control valves and die head melt static mixer 23 is installed, it is even to increase the melt mixed that gets into die head, and production will be more stable; The air of bringing into when the left and right sides cylinder breather valve of design can guarantee draping is in time discharged; That guarantees to produce carries out smoothly, and this multi-cylinder filters melt simultaneously, and not shutting down in turn during draping, draping does not influence ordinary production.
The beneficial effect of the utility model is: cross the Lu device because the multi-cylinder plastic melt is installed between barrel end and die head; A plurality of screen packs that the working power device is crossed the Lu device to the multi-cylinder plastic melt take turns to change, and need not shut down, and can not influence ordinary production; Therefore can alleviate operating personnel's manual labor; Increase work efficiency, cut the waste, saves energy.
Claims (5)
1. do not shut down and change the filter screen plastic extruder; Include reduction box, barrel, screw rod and die head, barrel one end is fastened on the reduction box casing, and screw rod is installed in the barrel; It is characterized in that: said the shutdown changed the filter screen plastic extruder; Be the multi-cylinder plastic melt to be installed cross the Lu device between barrel end and die head, the multi-cylinder plastic melt is crossed Lu device feed end and is connected with barrel one end, and the multi-cylinder plastic melt is crossed Lu device discharge end and is connected with die head.
2. do not change the filter screen plastic extruder according to said shutdown of claim 1; It is characterized in that: said multi-cylinder plastic melt is crossed and is established two and two above runners in the device of Lu, and shunting valve is installed on the runner, and screen pack and filter screen compact heap are installed behind the shunting valve; The filter screen compact heap is provided with the discharging runner; Filter screen compact heap discharging runner communicates with crossing Lu device cylinder body discharging runner, and cylinder body discharging runner is connected with die head charging runner, and the discharging control valve is installed on its runner.
3. change the filter screen plastic extruder according to claim 1 and said shutdown of claim 2, it is characterized in that: said multi-cylinder plastic melt is crossed between filter screen compact heap and the filter screen on the device of Lu and is provided with breather valve.
4. change the filter screen plastic extruder according to claim 1 and said shutdown of claim 2, it is characterized in that: said multi-cylinder plastic melt is crossed between Lu device discharging runner and the die head static melt mixer is installed.
5. do not change the filter screen plastic extruder according to said shutdown of claim 1, it is characterized in that: the filter screen compact heap that said multi-cylinder plastic melt is crossed on the device of Lu is more than two or two, and every filter screen compact heap is equipped with power set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200959217U CN202440574U (en) | 2012-03-05 | 2012-03-05 | Plastic extruder capable of replacing filter screen without shutdown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200959217U CN202440574U (en) | 2012-03-05 | 2012-03-05 | Plastic extruder capable of replacing filter screen without shutdown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202440574U true CN202440574U (en) | 2012-09-19 |
Family
ID=46822028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200959217U Expired - Fee Related CN202440574U (en) | 2012-03-05 | 2012-03-05 | Plastic extruder capable of replacing filter screen without shutdown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202440574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831963A (en) * | 2012-11-25 | 2014-06-04 | 黄美昌 | Plastic melt filter without need of replacing net for long time |
-
2012
- 2012-03-05 CN CN2012200959217U patent/CN202440574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831963A (en) * | 2012-11-25 | 2014-06-04 | 黄美昌 | Plastic melt filter without need of replacing net for long time |
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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: 20120919 Termination date: 20140305 |