CN2666653Y - Venting extruder capable of regulating output - Google Patents
Venting extruder capable of regulating output Download PDFInfo
- Publication number
- CN2666653Y CN2666653Y CNU2003201315716U CN200320131571U CN2666653Y CN 2666653 Y CN2666653 Y CN 2666653Y CN U2003201315716 U CNU2003201315716 U CN U2003201315716U CN 200320131571 U CN200320131571 U CN 200320131571U CN 2666653 Y CN2666653 Y CN 2666653Y
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- groove
- degassing extruder
- output
- regulating output
- pilot hole
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model providing a venting extruder which can adjust the output comprises an extruder cylinder and screws which are arranged in the extruder cylinder, wherein, a back end of a first screw is sleeved with a damping ring. The utility model is characterized in that: a groove is arranged in a position that the inner wall of the extruder cylinder is corresponding to the damping ring; guide holes are arranged in a radial direction in positions that the extruder cylinder is corresponding to the grooves; adjusting elements are arranged through each of the guide holes and the internal ends of the adjusting elements are arranged in the grooves. The adjusting elements enter or withdraw from the axle centers of the screws, so as to realize the stepless change of the gap size between the damping ring and the groove, and thus the amount of the materials that pass the gap changes, which further realizes the stepless adjustment of the output. The output can be adjusted only by the entering and the withdrawing of the adjusting elements and no component such as a screw or a heating and cooling pipeline system is needed to be dismantled, which is quite simple and convenient.
Description
Technical field
The utility model relates to degassing extruder, is meant the rubber degassing extruder of adjustable joint output especially.
Background technology
Existing rubber degassing extruder, the output of its first rank screw rod is generally all unadjustable.When producing different goods, the head resistance that various material produced can change, when the head resistance increases, the output output of the second rank screw rod is reduced, because the output of the first rank screw rod is constant unadjustable, thereby will make the output output of the second rank screw rod less than the output output of the first rank screw rod, the output of such second rank screw rod can not all be taken away the output of the first rank screw rod output, so unnecessary output can only be overflowed from the exhaust outlet that machine barrel is offered, cause normally vacuumizing and exhausting of degassing extruder, make that vented extruder can't operate as normal.
For solving described deficiency, people develop the adjustable vented extruder of a kind of first rank screw rod output, its Principles of Regulation are: at the sheathed damping ring of the first rank spiro rod rear end, change the damping ring that the external diameter size has nothing in common with each other according to the processing corresponding head resistance that different material produced, to reach the purpose of regulating the first rank screw rod output output.When the head resistance hour, the output output of the second rank screw rod is bigger, cause the output of the output of the first rank screw rod less than the second rank screw rod, at this moment, employing is than the damping ring of minor diameter, just making that damping ring is relative with the annular gap of machine tube inner wall increases, thus the first rank screw rod output output will increase with the output equilibrium of the second rank screw rod; When the head resistance is big, the second rank screw rod output is lower, cause the output of the output of the first rank screw rod greater than the second rank screw rod, at this moment, adopt larger-diameter damping ring, make that damping ring is relative with the annular gap of machine tube inner wall to be reduced, thereby, can make the first rank screw rod output output reduce with the output equilibrium of the second rank screw rod.Though this output adjustment structure can be regulated the first rank screw rod output, in actual use, still have the following disadvantages and remain further to be improved:
The first, because this adjusting base reason is to change damping ring, therefore when needing to regulate each time, assemblies such as heating-cooling coil road system on screw rod, the screw rod must be disassembled, could select the damping ring of different-diameter by the head pressure of different material, it is quite loaded down with trivial details to work, and wastes time and energy.In addition, because frequent frequent dismounting can greatly cause the wearing and tearing to screw rod, machine barrel and heating-cooling coil road system, reduce the whole service life of machine.
The second, for different head resistances, need the damping ring of a plurality of different-diameters of preparation, so just increased the amount of parts of equipment and the processing capacity of making extruder; In addition, the external diameter numerical value of damping ring, it is discretization, people can make the damping ring of diameters commonly used as required, differ 2 millimeters damping ring series as intended diameter, perhaps also can reduce difference as required, but reduce gap howsoever to attempt to adapt to the fine difference of head resistance, the output that these damping rings produced is regulated and is remained stepped, can not realize step-less adjustment, and each damping ring diameter differs more little, just mean and manufacture more damping ring, very inconvenient.
Three, when screw rod being disassembled, need basically the material in the screw slot is drained only, both increased workload, the process of extruder is interrupted, reduced extrusion efficiency, also caused the waste of material for the replacing damping ring.
Summary of the invention
The purpose of this utility model provides a kind of degassing extruder of regulating output, need not assemblies such as dismantling screw, heating-cooling coil road system when regulating output, the ten minutes simple and convenient, and can realize step-less adjustment.
The technical solution of the utility model is as follows: a kind of degassing extruder of regulating output, include the screw rod in machine barrel and the machine barrel, be equipped with damping ring in the first rank spiro rod rear end, it is characterized in that, be formed with groove at machine tube inner wall corresponding to the position of damping ring, machine barrel radially is provided with pilot hole in the position of respective grooves, and each pilot hole is equipped with the adjustment element, and the inner end of respectively adjusting element is positioned at groove.
Described machine tube inner wall is provided with lining, and described groove forms on the lining, is formed with on lining and the corresponding pilot hole of the pilot hole of machine barrel, and adjustment element inner end is then passed the lining pilot hole again and placed in the groove.Need to prove,, also lining can be set, and directly form groove at machine tube inner wall if machine tube inner wall can reach wear-resisting requirement.
Described groove is the continuous circular shape groove, along the direction setting vertical with screw axial, is 2～8 and adjust element, is symmetrically distributed in groove.
Described groove is deep-slotted chip breaker at interval, is along the direction vertical with screw axial to be symmetrical arranged.
Described groove is continuous straight trough shape, is 2～8, along being direction setting less than an angle of 90 degrees with screw axis.Certainly, increase, the more groove of more number also can be set as extruder barrel, screw diameter.
Described adjustment element is a pin, is threaded engagement or be slidingly matched between pin and the machine barrel pilot hole.
Described pin is provided with limit element.For limiting the limit amount of movement that pin stretches into or withdraws to the screw rod axle center.
The outer face or the cylinder of described pin are provided with graduation mark.For measuring the amount of movement that pin stretches into or withdraws from.
The degassing extruder of regulating output provided by the utility model, described adjustment element is a slide post, driving slide post by hydraulic pressure or pneumatic element stretches into or withdraws from, because this adjustment element need be by being threaded into or screwing out, so its cross section is not limited to circle, can be the column in any cross section.
The inner end of described slide post is provided with and the corresponding to adjustment piece of trench cross section, and described adjustment piece is bar shaped or watt shape, is stretched into or is withdrawed from by the slide post drive with adjusting piece, and the depth that is equivalent to groove changes, and regulates thereby can carry out output.
The utility model is because of being provided with groove, and be built-in with the adjustment element to groove, stretch into or withdraw to the screw rod axis direction by adjusting element, make the size in the gap that is constituted between damping ring and the groove that stepless variation take place, the inventory of being passed through by this gap just changes like this, thereby has realized the step-less adjustment of output.When regulating output, do not need assemblies such as dismantling screw and cooling line system thereof, only need the adjustment element is stretched into or withdraws from, very simple and convenient.And, in the middle of the process of regulating output, do not need the emptying screw rod, can not be interrupted process, improved extrusion efficiency, also avoided because the material waste problem that the emptying screw rod is produced.
Description of drawings
Fig. 1 is the radial cross-section of the utility model embodiment 1.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is the axial cutaway view of the utility model embodiment 2.
Fig. 4 is that the B-B of Fig. 3 is to cutaway view.
Fig. 5 is the radial cross-section of the utility model embodiment 3.
Fig. 6 is near the schematic diagram that launches of the lining inner wall trench of the utility model embodiment 3.
Fig. 7 is the front view that the utility model embodiment 3 adjusts element.
Fig. 8 is the side view that the utility model embodiment 3 adjusts element.
The specific embodiment
Referring to Fig. 1,2, a kind of degassing extruder of regulating output, include machine barrel 1, lining 2 and screw rod 3, be equipped with damping ring 4 in the first rank spiro rod rear end, lining 2 inwalls 21 are formed with 4 grooves 22 in the position corresponding to damping ring 4, be continuous straight trough shape respectively, these grooves 22 are parallel with the axis of screw rod 3, promptly be 0 degree angle with screw axis, radially be provided with corresponding pilot hole 11,23 at machine barrel 1 and lining 2 corresponding to the position of groove 22, placed in the corresponding pilot hole 11,23 and adjusted element 5, each inner end of adjusting element 5 places in the groove 22.In this embodiment, adjusting element 5 is pin 51, adopt threaded engagement between the pilot hole 11 of pin 51 and machine barrel 1 or be slidingly matched, limit element 510 can be set in the outer end of pin 51, for limiting the limit amount of movement that pin 51 stretches into or withdraws to the screw rod axle center, described limit element 510 can be for being arranged at the clipping block or the bayonet lock of pin 51 outer ends, other position limiting structure that can limit pin 51 amount of movements also can adopt, and can be further be provided with graduation mark in the outer face or the cylinder of pin 51, so that stretching into or the amount of withdrawing from of pin 51 held in support.
Need to prove,, also lining 2 can be set, and directly form groove 22, and machine barrel 1 is provided with pilot hole 11 and passes for adjusting element 5 at machine barrel 1 inwall if machine barrel 1 inwall can reach conventional scuff resistance.No longer describe in detail at this.And machine barrel 1 and lining 2 will be noted sealing at pilot hole 11,23 places, with antimagnetic material.
When the cross-head resistance is big, the conveying capacity of the second rank screw rod can descend and cause output to reduce, at this moment, rotation pin 51 stretches into to the screw rod axis direction, the area of the annular gap that is constituted between damping ring 4 and lining 2, the groove 22 will be reduced (being equivalent to groove 22 shoals), the inventory of being passed through by this groove 22 will reduce like this, and output reduces, thereby has realized the step-less adjustment of output.When regulating output, do not need assemblies such as dismantling screw and cooling line system thereof, only need adjustment element 5 is stretched into or withdraws from, very simple and convenient.And, in the middle of the process of regulating output, do not need the emptying screw rod, can not be interrupted process, improved extrusion efficiency, also avoided because the material waste problem that the emptying screw rod is produced.
Referring to Fig. 3,4, this embodiment is identical with principle and the effect of embodiment 1, no longer repeats.Difference is, form groove quantity and with the angle of screw axial.
In this embodiment, a groove 22 only is set, is the continuous circular shape groove, edge and screw rod 3 axial vertical direction settings on the radially anchor ring of machine barrel 1, are inserted four by pilot hole 11,23 and are adjusted elements 5 and be symmetrical distribution.Certainly, can on a plurality of radially anchor rings, plant fully and tease and ridicule whole element more.In extrusion, stretch into or withdraw from adjusting element 5, the annular gap area that can make damping ring 4 and groove 22 is owing to the influence that is subjected to pin 51 cross sections produces stepless variation, thereby can realize the step-less adjustment of output.
Perhaps, described groove 22 also can be deep-slotted chip breaker at interval, is along the direction vertical with screw axial to be symmetrical arranged, and can be equipped with one and adjust element 5 in each groove 22, does not provide accompanying drawing at this.
Referring to Fig. 5,6, this embodiment is identical with principle and the effect of embodiment 1,2, no longer repeats.Difference is, the angle of quantity, groove and the screw axial of formation groove and the structure of adjusting element.
In this embodiment, 8 grooves 22 are set, groove 22 is continuous straight trough shape, and described groove 22 is miter angle with screw axial.And described adjustment element 5 is a slide post 52, drives slide post by hydraulic pressure or pneumatic element and stretches into or withdraw from, and can control the amount of movement that stretches into or withdraw from by this hydraulic pressure or electrical equipment.Because this is a prior art, and is not invention emphasis of the present utility model, does not describe in detail at this.And regulate and do not stretch into distance owing to adjust element 5 and do not need to adopt the rotation mode of periphery, therefore, the cross sectional shape of slide post is not limited.The inner end of described slide post 52 is provided with and the corresponding to adjustment piece 520 in groove 22 cross sections, and referring to Fig. 7,8,520 watts of shapes of described adjustment piece certainly, can also be bar shaped.
When extruder is worked, by hydraulic pressure or pneumatic element slide post 52 is pushed or withdraws from, the interval area that damping ring 4 and groove 22 are constituted produces stepless variation, thereby realizes the step-less adjustment of output.Certainly, note the sealing problem between slide post 52 and the pilot hole 11,23, with antimagnetic material.
Explanation at last a bit, the utility model provides a kind of structure of regulating the interval area size that damping ring and lining inwall and groove constitute, therefore, for the quantity of groove formation and with the corner dimension of screw axial, do not limit.As long as make the size in gap that the structure of stepless variation take place by stretching into or withdraw from the adjustment element, all should belong to protection domain of the present utility model.
Claims (10)
1. the degassing extruder that can regulate output, include the screw rod in machine barrel and the machine barrel, be equipped with damping ring in the first rank spiro rod rear end, it is characterized in that, be formed with groove at machine tube inner wall corresponding to the position of damping ring, machine barrel radially is provided with pilot hole in the position of respective grooves, and each pilot hole is equipped with the adjustment element, and the inner end of respectively adjusting element is positioned at groove.
2. the degassing extruder of regulating output according to claim 1, it is characterized in that, described machine tube inner wall is provided with lining, described groove forms on the lining, be formed with on lining and the corresponding pilot hole of the pilot hole of machine barrel, adjustment element inner end is then passed the lining pilot hole again and is placed in the groove.
3. the degassing extruder of regulating output according to claim 2 is characterized in that, described groove is the continuous circular shape groove, along the direction setting vertical with screw axial, is 2～8 and adjust element, is symmetrically distributed in groove.
4. the degassing extruder of regulating output according to claim 2 is characterized in that, described groove is deep-slotted chip breaker at interval, is along the direction vertical with screw axial to be symmetrical arranged.
5. the degassing extruder of regulating output according to claim 2 is characterized in that, described groove is continuous straight trough shape, is 2～8, along being direction setting less than an angle of 90 degrees with screw axis.
6. according to any one described degassing extruder of regulating output in the claim 1～5, it is characterized in that described adjustment element is a pin, adopt threaded engagement between the pilot hole of pin and machine barrel or be slidingly matched.
7. the degassing extruder of regulating output according to claim 6 is characterized in that described pin is provided with limit element.
8. the degassing extruder of regulating output according to claim 6 is characterized in that, the outer face or the cylinder of described pin are provided with graduation mark.
9. according to any one described degassing extruder of regulating output in the claim 1～5, it is characterized in that described adjustment element is a slide post, drive slide post by hydraulic pressure or pneumatic element and stretch into or withdraw from.
10. the degassing extruder of regulating output according to claim 8 is characterized in that, the inner end of described slide post is provided with and the corresponding to adjustment piece of trench cross section, and described adjustment piece is bar shaped or watt shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201315716U CN2666653Y (en) | 2003-12-26 | 2003-12-26 | Venting extruder capable of regulating output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201315716U CN2666653Y (en) | 2003-12-26 | 2003-12-26 | Venting extruder capable of regulating output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666653Y true CN2666653Y (en) | 2004-12-29 |
Family
ID=34350236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201315716U Expired - Fee Related CN2666653Y (en) | 2003-12-26 | 2003-12-26 | Venting extruder capable of regulating output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666653Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790299A (en) * | 2017-11-25 | 2018-03-13 | 桂林市兴美智能科技有限公司 | A kind of new bio field high speed centrifugation device |
| CN109501205A (en) * | 2018-12-07 | 2019-03-22 | 大连橡胶塑料机械有限公司 | Can on-line control degassing extruder |
| CN114274410A (en) * | 2021-12-29 | 2022-04-05 | 常丰线缆有限公司 | High-speed plastic extruder for cable preparation |
| CN116476354A (en) * | 2023-04-14 | 2023-07-25 | 浙江长鸿生物材料有限公司 | Vacuum exhaust type rubber extruder and processing method thereof |
-
2003
- 2003-12-26 CN CNU2003201315716U patent/CN2666653Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790299A (en) * | 2017-11-25 | 2018-03-13 | 桂林市兴美智能科技有限公司 | A kind of new bio field high speed centrifugation device |
| CN109501205A (en) * | 2018-12-07 | 2019-03-22 | 大连橡胶塑料机械有限公司 | Can on-line control degassing extruder |
| CN114274410A (en) * | 2021-12-29 | 2022-04-05 | 常丰线缆有限公司 | High-speed plastic extruder for cable preparation |
| CN114274410B (en) * | 2021-12-29 | 2024-04-30 | 常丰线缆有限公司 | High-speed plastic extruder for cable preparation |
| CN116476354A (en) * | 2023-04-14 | 2023-07-25 | 浙江长鸿生物材料有限公司 | Vacuum exhaust type rubber extruder and processing method thereof |
| CN116476354B (en) * | 2023-04-14 | 2023-10-20 | 浙江长鸿生物材料有限公司 | Vacuum exhaust type rubber extruder and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041229 Termination date: 20121226 |