CN2294773Y - V-shape spiral-slotted press roller - Google Patents
V-shape spiral-slotted press roller Download PDFInfo
- Publication number
- CN2294773Y CN2294773Y CN 97202443 CN97202443U CN2294773Y CN 2294773 Y CN2294773 Y CN 2294773Y CN 97202443 CN97202443 CN 97202443 CN 97202443 U CN97202443 U CN 97202443U CN 2294773 Y CN2294773 Y CN 2294773Y
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- CN
- China
- Prior art keywords
- pressure roller
- shape
- slot
- roll surface
- press
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- Expired - Fee Related
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Abstract
The utility model relates to a press roller whose roll surface slot is V-shaped and spiral. The V-shaped angle of the V-shaped spiral slot is between 1 DEG. and 70 DEG., the depth of the slot is between 1 mm and 100 mm, and the ratio between the width of a press plane and the width of the slot is between 0.1 and 10. The cross-section of the roll surface of the press roller can be in trapezoid shape, rectangular shape, circular shape and involute shape. The structure of the utility model is suitable for the antiskid extrusion forming of different materials and is easy in use for various moulds, improving the linear velocity of the press roller and increasing the extrusion forming rate and productivity. The utility model is suitable for flat die press rollers of extruding machines, circular die press rollers of extruding machines and press rollers of pair-roller machines and pre-extruding machines.
Description
The utility model relates to a kind of pressure roller, the V-shaped pressure roller of particularly a kind of roll surface groove.
The profile of the extrusion machine pressure roller roll surface that uses both at home and abroad has columniform smooth roll at present, straight-tooth flute profile pressure roller and three kinds of forms of small sircle hole flute profile pressure roller, but this three roll surfaces groove and hole are when extruding following properties material, and the generation moisture absorption, heat up, adhere, adhere to and lump and make that the hole of pressure roller and groove are sticky lives, make roll surface adhere to one deck material and form a kind of situation of skidding, cause the squeeze reduction based on slip, make the tooth grain less and inhomogeneous, reduced productivity.And be difficult to realize smoothly logical mould and continuous production.
One, physical properties: mobile relatively poor material; The material of moisture content＞12%; The big and stronger material of anti-caking of tackiness, tack.
Two, chemical property: the strong material of water absorbability; The material of chemical reaction takes place during two or more material blending; The corrodibility material; Labile material.
Three, physics, chemical property: heat-sensitive material; The material that influenced by relative humidity: during two or more material blending, maximum relative humidity (40% material; During two or more material blending, the variation of Yin Wendu or humidity and the material of physics or chemical transformation takes place.
The object of the present invention is to provide the extrusion molding of a kind of pressure roller roll surface to be applicable to that all kinds of different materials are anti-skidding, improve the pressure roller linear velocity, it is easy to improve moulding grain and productivity and logical mould.
Technical scheme of the present invention is: the V-shaped spirrillum of roll surface groove of pressure roller, " V " shape spiral fluted " V " shape angle is between 1-70 °, groove depth is between 1mm-100mm, the ratio of the width of compressive plane and the width of groove is between 0.1-10, and the section of pressure roller roll surface can be trapezoidal or rectangle, circle, involute urve shape.
Superiority of the present invention is: 1, be applicable to all kinds of different materials, can prevent effectively that the hole of pressure roller and groove from clinging, caking makes roller surface adhere to one deck material, and reduces frictional coefficient and extruding efficient; 2, improve a sticking ratio of briquetting, avoid sheet, powdery, soft particulate state; 3, the material that distributes uniformly improves the edge ratio of briquetting, thereby boosts productivity.4, improve pressure roller retarded velocity; 5, logical mould is easy.
The utility model is applicable to flat-die extrusion machine pressure roller, ring mould extrusion machine pressure roller, twin rollers and give the extrusion machine pressure roller.
The utility model will be further described below in conjunction with drawings and Examples.
The sectional view of Fig. 1 pressure roller.
The vertical view of Fig. 2 pressure roller.
The 1-roll body, 2-roll surface, 3-" V " shape groove.
" V " shape spiral fluted " V " shape angle is at 45 ° in the embodiment that last figure shows, the long 5-8mm of groove depth.
On the sticking machine of ring mould extruding system to " V " font spiral slot pressure roller, straight-tooth flute profile pressure roller, small sircle hole flute profile pressure roller and smooth roll (three kinds of flute profiles wearing and tearing backs) have been made simultaneous test.
1, the simultaneous test of different material:
(1) nitrogenous fertilizer, phosphate fertilizer, potash fertilizer (any proportioning)
The straight-tooth flute profile, little hole-and-slot: all because of extruding is become smooth roll by sticky firmly groove with the hole, roll surface adheres to one deck material to material, has reduced frictional coefficient, thereby productivity is reduced, logical mould difficulty in the groove.
" V " font pressure roller; Make to be extruded material along the slip of spiral flute profile direction, it is main that material keeps rolling resistance, thereby improves ratio of briquetting, and kernel productivity is boosted productivity, and logical mould is easy.
(2) nitrogenous fertilizer, phosphorus handle, potassium handle and low-disintegration coal (rotten strong acid)
The straight-tooth flute profile, the slotted eye of little hole-and-slot and smooth roll and roll surface operating mode worsen more, make extrusion molding be difficult to carry out, can't ordinary production.
" V " font pressure roller extrusion molding rate 〉=98% goes out sticking rate 〉=98%, and productivity improves 10-30%, and logical mould is easy.
2, the shaped granule simultaneous test of different linear velocities.
The straight-tooth flute profile, little hole-and-slot and smooth roll on-line velocity≤6.5m/s energy moulding, 〉=6.5m/s ratio of briquetting reduces (having 20-35%) sheet, and pulverulent material increases too much.(reaching 65-80%), on-line velocity＞7.2m/s can't moulding.
" V " font groove pressure roller on-line velocity 5-6.5m/s is moulding and granulation normally, and still normally moulding and granulation of on-line velocity＞6.5-10m/s.
Claims (5)
1, a kind of pressure roller is characterized in that: the V-shaped spirrillum of roll surface groove of pressure roller.
2, pressure roller according to claim 1 is characterized in that: " V " shape spiral fluted " V " shape angle is between 1 °-70 °.
3, pressure roller according to claim 1 is characterized in that: " V " shape spiral fluted groove depth is between 1mm-100mm.
4, pressure roller according to claim 1 is characterized in that: the ratio of the width of compressive plane and the width of groove is between 0.1-10.
5, according to the described pressure roller of claim 1, it is characterized in that: the section of described roll surface can be trapezoidal or rectangle, circle, involute urve shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202443 CN2294773Y (en) | 1997-03-20 | 1997-03-20 | V-shape spiral-slotted press roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202443 CN2294773Y (en) | 1997-03-20 | 1997-03-20 | V-shape spiral-slotted press roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2294773Y true CN2294773Y (en) | 1998-10-21 |
Family
ID=33923595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97202443 Expired - Fee Related CN2294773Y (en) | 1997-03-20 | 1997-03-20 | V-shape spiral-slotted press roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2294773Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229088A (en) * | 2011-06-29 | 2011-11-02 | 常州市大明纸管机械有限公司 | Scrap-nonstick corundum spiral sanding roller |
| CN104689759A (en) * | 2015-03-31 | 2015-06-10 | 福建省南安市海特机械有限公司 | Improved environment-friendly granulator |
| CN106040097A (en) * | 2015-03-31 | 2016-10-26 | 福建省南安市海特机械有限公司 | Environment-friendly granulating machine |
| CN111450941A (en) * | 2020-04-03 | 2020-07-28 | 泉州玛塔生态科技有限公司 | Drying-free granulating device and process for environment-friendly oyster calcium powder |
-
1997
- 1997-03-20 CN CN 97202443 patent/CN2294773Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229088A (en) * | 2011-06-29 | 2011-11-02 | 常州市大明纸管机械有限公司 | Scrap-nonstick corundum spiral sanding roller |
| CN104689759A (en) * | 2015-03-31 | 2015-06-10 | 福建省南安市海特机械有限公司 | Improved environment-friendly granulator |
| CN106040097A (en) * | 2015-03-31 | 2016-10-26 | 福建省南安市海特机械有限公司 | Environment-friendly granulating machine |
| CN104689759B (en) * | 2015-03-31 | 2016-11-09 | 福建省南安市海特机械有限公司 | A kind of improved environment protection comminutor |
| CN106111017A (en) * | 2015-03-31 | 2016-11-16 | 福建省南安市海特机械有限公司 | A kind of environmental protection comminutor |
| CN106179118A (en) * | 2015-03-31 | 2016-12-07 | 福建省南安市海特机械有限公司 | A kind of environmental protection comminutor |
| CN106040097B (en) * | 2015-03-31 | 2018-12-18 | 福建省南安市海特机械有限公司 | A kind of environmental protection pelletizer |
| CN106111017B (en) * | 2015-03-31 | 2019-01-18 | 福建省南安市海特机械有限公司 | A kind of environmental protection pelletizer |
| CN106179118B (en) * | 2015-03-31 | 2019-06-14 | 福建省南安市海特机械有限公司 | A kind of environmental protection pelletizer |
| CN111450941A (en) * | 2020-04-03 | 2020-07-28 | 泉州玛塔生态科技有限公司 | Drying-free granulating device and process for environment-friendly oyster calcium powder |
| CN111450941B (en) * | 2020-04-03 | 2021-10-22 | 泉州玛塔生态科技有限公司 | Drying-free granulating device and process for environment-friendly oyster calcium powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |