CN102086606B - Grinding table of disc grinder for preparing synthetic fiber pulp - Google Patents
Grinding table of disc grinder for preparing synthetic fiber pulp Download PDFInfo
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- CN102086606B CN102086606B CN 201010560846 CN201010560846A CN102086606B CN 102086606 B CN102086606 B CN 102086606B CN 201010560846 CN201010560846 CN 201010560846 CN 201010560846 A CN201010560846 A CN 201010560846A CN 102086606 B CN102086606 B CN 102086606B
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Abstract
The invention discloses a grinding table of a disc grinder for preparing synthetic fiber pulp, which comprises a grinding plate, wherein the working surface of the grinding plate is provided with a plurality of grooves; the grooves are distributed in a multiple-layer concentric circle mode around the grinding plate; the grooves are evenly distributed on each layer of the concentric circle; grinding teeth are formed on the grinding plate between every two adjacent grooves on the same circle; and a pulp baffle plate is formed at the gap between any two adjacent layers. The invention can prolong the the residence time of materials in the disc grinder, weaken the cut-off function of the grinding table, enhance the effects of crushing, kneading and fibrillation on the fibers, and greatly improve the microfibrillation degree of the pulp fibers.
Description
Technical field
The present invention relates to a kind of pulping equipment, be specifically related to a kind of grinding table of disc grinder of suitable preparation high-performance synthetic fiber pulp.
Background technology
In the technology, refining equipment mainly contains disc grinder in form at present, conical disc mill, cylinder mill.Wherein the disc mill of disc abrasive disc is used early, uses more extensive.Disc mill can be divided three classes according to its mill: 1 Moving plate and 1 single disc refiner that price fixing forms; The double plate mill that the Moving plate of 2 switched in opposite forms; The triple disc refiner that 2 price fixings and middle 1 Moving plate form.In various fiberizers, abrasive disc is the core component of disc mill.Disc mill has been obtained significant effect in various natural fabrics and artificial fibre application.But existing abrasive disc is not suitable for being applied to prepare high-performance synthetic fiber pulp.High-performance fiber has the resistant to elevated temperatures characteristics of high-strength and high-modulus, obtain the high high-performance pulp of specific area, requires the grinding disc for plate grinder material better, can be durable in use, and the abrasive disc configuration need to reduce the cut-out situation of fiber, increase fiber fibrillation degree as far as possible.Existing abrasive disc can not well satisfy this requirement.
For example, Chinese patent application number " 200910192235.4 " discloses a kind of abrasive disc for disc mill and manufacture method thereof, its applying date is on September 11st, 2009, open day is on February 24th, 2010, its abrasive disc comprises roll flute and the abrasive disc matrix through the machine-shaping of twice difference, central shaft around the abrasive disc matrix, it is evenly distributed on the abrasive disc matrix that roll flute is a plurality of concentrically ringed states, be provided with baffle between each roll flute, each baffle that is positioned on the same circle forms spiral helicine block pulp line at the abrasive disc matrix surface; The manufacture method of abrasive disc is to make first the required roll flute of abrasive disc and carry out surface treatment, then according to the abrasive disc form processing mould that designs, each roll flute and baffle be installed on cast in the backward mould that installs roll flute on the mould or vulcanize, in the time of moulding abrasive disc matrix roll flute is fixed on the abrasive disc matrix, namely finishes making behind the cooling withdrawing pattern.The problem that adopts above-mentioned abrasive disc to exist is: one, the corner angle of roll flute are the right angle, and roll flute causes stronger cutting action to fiber when mill is worked, and affects the pulp quality.Two, respectively machine-shaping of roll flute and abrasive disc matrix is welded to roll flute on the matrix again, and manufacturing technique is complicated, easy tooth-breaking, and service life is short.
For another example, China Patent No. " 200510032283.9 " discloses a kind of mill for fiberizer, this mill comprises the rotary grinding disk that is installed on the fiberizer main shaft and is installed on the interior fixed millstone that matches with rotary grinding disk of fiberizer housing, be provided with concentric circles gear dam in the teeth groove of described rotary grinding disk and fixed millstone, be between a round shear zone between per two concentric circles gear dam, the concentric circles that every mill is provided with more than 4 comes and goes between the shear zone, the concentric circles gear dam of rotary grinding disk and fixed millstone alternately shifts to install, two mills shift to install between the rear concentric circles gear dam that adjoins mutually interval for single shear, tooth depth and single shear are interval widely all to be strengthened with radius and diminishes gradually, the gullet base of the first lap roll flute in the close center of circle is that the abrupt slope is skewed on the described rotary grinding disk, its stock inlet place tooth depth is maximum, it is straight upper to the following place of tooth top, first lap concentric circles gear dam to tilt, and profile of tooth is positive profile of tooth.The problem that adopts above-mentioned mill to exist is: one, the profile of tooth of its roll flute is positive profile of tooth, and fiber is caused stronger cutting action, affects the pulp quality.Two, the concentric circles of rotary grinding disk and fixed millstone gear dam alternately shifts to install, and causes material passing through easily between the shear zone under the mill centrifugal action, has reduced the time of staying of slip in mill, is unfavorable for the abundant fibrillation of fiber.
Summary of the invention
The object of the invention is to overcome the problems referred to above that existing mill exists, a kind of grinding table of disc grinder for preparing the synthetic fiber pulp is provided, the present invention can increase the time of staying of material in disc mill, weaken the cutting function of mill, increase its conquassation to fiber, rub, the wire-dividing broom purification effect, increase substantially the fibrillation degree of pulp fibers.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of grinding table of disc grinder for preparing the synthetic fiber pulp, comprise abrasive disc, it is characterized in that: have a plurality of grooves on the described abrasive disc working face, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, and the gap between arbitrary neighborhood is two-layer forms baffle.
Described roll flute comprises the arcwall face part of joining the planar section that formed by the abrasive disc working face and a side and planar section opposite side and groove joining.
The diameter of described groove and abrasive disc forms 5 ℃～20 ℃ angles.
The charging hole place of described abrasive disc is provided with around circular spill feeding channel of being of charging hole, and feeding channel is inboard to be communicated with charging hole, and the groove on the ground floor outside the outside and the abrasive disc center is communicated with.
Described abrasive disc comprises stator and moving plate, and the baffle during defibrination on stator and the moving plate overlaps.
The groove of described moving plate is identical with the direction of rotation of moving plate with the incline direction of roll flute.
Described baffle is a plurality of concentric circles around the center of abrasive disc and evenly distributes.
The number of described baffle is 2～6.
The degree of depth of described groove is identical.
The recessed degree of depth of described feeding channel is identical with the degree of depth of groove.
Groove on the described same circumference big or small identical.
The structure of described stator and moving plate and measure-alike.
Employing the invention has the advantages that:
One, among the present invention, have a plurality of grooves at the abrasive disc working face, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, gap between arbitrary neighborhood is two-layer forms baffle, the roll flute of this configuration can reduce loading than cutter edge of mill, adopt the roll flute of this version can weaken the cutting function of mill, increase it to the conquassation of fiber, rub, the wire-dividing broom purification effect, increase substantially the fibrillation degree of pulp fibers, and by the time of staying that the baffle of this structure further increases material, guarantee that material is by abundant fibrillation.
Two, roll flute of the present invention comprises the arcwall face part of joining the planar section that formed by the abrasive disc working face and a side and planar section opposite side and groove joining, with the advantages of right angle roll flute and arc roll flute together, both increased the contact area of roll flute and material, improve the degree that fiber is subjected to conquassation, rubs, reduced again the cutting action of roll flute to fiber.
Three, the diameter of groove of the present invention and abrasive disc forms 5 ℃～20 ℃ angles, and when moving plate rotated, the roll flute of abrasive disc formed certain inhibition to material movement, increases the milling time of material in the mill district.
Four, among the present invention, the charging hole place of abrasive disc is provided with around circular spill feeding channel of being of charging hole, feeding channel is inboard to be communicated with charging hole, and the groove on the ground floor outside the outside and the abrasive disc center is communicated with, and adopts this structure to be convenient to material and enters between stator and the moving plate.
Five, among the present invention, abrasive disc comprises stator and moving plate, baffle during defibrination on stator and the moving plate overlaps, and this structure is convenient to according to actual conditions by regulating the clearance distance control time of staying of material in abrasive disc of two abrasive discs, the fibrillation degree of control fiber.
Six, among the present invention, the groove of moving plate is identical with the direction of rotation of moving plate with the incline direction of roll flute, makes material avoid being thrown away fast abrasive disc mill district, can effectively increase the milling time of slurry between two abrasive discs, improve the wire-dividing broom purification effect of fiber, thereby improved the fibrillation degree of fiber.
Seven, among the present invention, baffle is a plurality of concentric circles around the center of abrasive disc and evenly distributes, and the number of baffle is 2～6, and the place arranges the concentric circles baffle at the inner different-diameter of abrasive disc, can increase the time of staying of slurry in abrasive disc, improve the fibrillation degree of fiber.
Eight, among the present invention, the reeded degree of depth of institute is identical, adopts this version can guarantee homogeneity in the fiber fibrillation process.
Nine, among the present invention, the recessed degree of depth of feeding channel is identical with the degree of depth of groove, makes material enter smoothly Mo Qu.
Ten, the abrasive disc among employing the present invention, intensity is high, toughness is strong, ABRASION RESISTANCE good, and it is not wear-resisting to have solved existing abrasive disc, and broken teeths etc. restrict the problem of producing, and have increased substantially the service time of abrasive disc.
11, compare with 200910192235.4 patented technologies, flat-top arc shaped corner roll flute of the present invention weakens the cut-out ability of fiber, and conquassation, wire-dividing broom purification ability strengthen; And roll flute and abrasive disc matrix integral structure form have been avoided the broken teeth situation, have prolonged the service life of abrasive disc, and manufacturing technique is also simplified relatively.
12, compare with 200510032283.9 patented technologies, flat-top arc shaped corner roll flute of the present invention weakens the cut-out ability of fiber, and conquassation, wire-dividing broom purification ability strengthen; And the baffle during owing to defibrination on stator and the moving plate overlaps, and is convenient to control the time of staying of material in abrasive disc according to actual conditions by the clearance distance of regulating two abrasive discs, controls the fibrillation degree of fiber.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is cut-away section structural representation of the present invention
Be labeled as among the figure: 1, groove, 2, baffle, 3, roll flute, 4, charging hole.
The specific embodiment
Embodiment 1
A kind of grinding table of disc grinder for preparing the synthetic fiber pulp, comprise abrasive disc, have a plurality of grooves at the abrasive disc working face, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, and the gap between arbitrary neighborhood is two-layer forms baffle.
Among the present invention, roll flute comprises the arcwall face part of joining the planar section that formed by the abrasive disc working face and a side and planar section opposite side and groove joining, and namely groove and roll flute join is arcwall face.Groove becomes 5 ℃ of angles with the diameter of abrasive disc.
Be provided with around circular spill feeding channel of being of charging hole at the charging hole place of abrasive disc, feeding channel is inboard to be communicated with charging hole, and the groove on the ground floor outside the outside and the abrasive disc center is communicated with.
Abrasive disc among the present invention comprises stator and moving plate, and the baffle during defibrination on stator and the moving plate overlaps.The groove of moving plate is identical with the direction of rotation of moving plate with the incline direction of roll flute, and the concrete angle of inclination is adjusted according to actual production.Baffle is a plurality of concentric circles around the center of abrasive disc and evenly distributes, and the number of baffle is 2.The degree of depth of each groove is identical, and the recessed degree of depth of feeding channel is identical with the degree of depth of groove, and the concrete degree of depth is according to the actual production adjustment.Groove on same circumference big or small identical, the structure of stator and moving plate and measure-alike.
Embodiment 2
A kind of grinding table of disc grinder for preparing the synthetic fiber pulp, comprise abrasive disc, have a plurality of grooves at the abrasive disc working face, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, and the gap between arbitrary neighborhood is two-layer forms continuous baffle, namely is circular baffle.
Among the present invention, the diameter of groove and abrasive disc forms 20 ℃ of angles.Be provided with around circular spill feeding channel of being of charging hole at the charging hole place of abrasive disc, feeding channel is inboard to be communicated with charging hole, and the groove on the ground floor outside the outside and the abrasive disc center is communicated with.
The groove of moving plate is set to consistent with the direction of rotation of moving plate with the incline direction of roll flute.Baffle is a plurality of concentric circles around the center of abrasive disc and evenly distributes, and the number of baffle is 6.
A kind of grinding table of disc grinder for preparing the synthetic fiber pulp, comprise abrasive disc, have a plurality of grooves at the abrasive disc working face, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, and the gap between arbitrary neighborhood is two-layer forms baffle.
Among the present invention, roll flute comprises the arcwall face part of joining the planar section that formed by the abrasive disc working face and a side and planar section opposite side and groove joining, be that the face that planar section and groove join is the face with radian, radian those skilled in the art of arcwall face can adjust according to above-mentioned record in actual production.
The diameter that groove and abrasive disc are set forms 10 ℃ of angles.The charging hole place of abrasive disc is provided with around circular spill feeding channel of being of charging hole, and feeding channel is inboard to be communicated with charging hole, and the groove on the ground floor outside the outside and the abrasive disc center is communicated with.
Baffle is set is a plurality of concentric circles around the center of abrasive disc and evenly distributes, the number of baffle is set to 4.
Embodiment 4
The invention discloses a kind of grinding table of disc grinder of suitable preparation high-performance synthetic fiber pulp, the manufacturing material of abrasive disc can adopt steel alloy or pottery.Be fit to be applied to prepare the synthetic fiber pulp, especially be fit to the resistant to elevated temperatures high-performance synthetic fiber of preparation high-strength and high-modulus, such as aramid II, aramid fiber III, pbo fiber etc., certainly also can be applicable to the preparation of some natural fabrics and man-made fiber pulp.
Right angle tooth before the roll flute among the present invention has been broken through and the limitation of arc-shaped gear well combine both advantage, and namely the roll flute top still keeps flat state, and the roll flute edge is by being arc angle.This structure had both increased the contact area of roll flute and material, had improved the degree that fiber is subjected to conquassation, rubs, and had reduced again the cutting action of roll flute to fiber.
When material enters from charging hole between abrasive disc stator and the Moving plate, discharge from the edge through behind the defibrination.The flat-top arc angle structure of roll flute has increased the contact area of fiber and roll flute, has guaranteed its low cut-out rate and high brooming rate to fiber.The baffle of abrasive disc inside has increased the time of staying that material grinds in two abrasive discs, make the abundant brooming of fiber.Because abrasive disc moving plate groove is identical with its direction of rotation with the incline direction of roll flute, make material avoid being thrown away fast abrasive disc mill district, increased milling time, improved the fibrillation degree of fiber.
Obviously; those of ordinary skill in the art is according to the technological know-how of grasping and customary means; according to above said content, can also make the various ways that does not break away from basic technical scheme of the present invention, these pro forma conversion are all within protection scope of the present invention.
Claims (7)
1. grinding table of disc grinder for preparing the synthetic fiber pulp, comprise abrasive disc, it is characterized in that: have a plurality of grooves on the working face of described abrasive disc, groove is multilayer concentric circle shape and distributes around the center of abrasive disc, groove on every layer of concentric circles evenly distributes, abrasive disc between adjacent two grooves on the same circumference forms roll flute, and the gap between arbitrary neighborhood is two-layer forms baffle; Described roll flute comprises the arcwall face part of joining the planar section that formed by the abrasive disc working face and a side and planar section opposite side and groove joining.
2. according to the grinding table of disc grinder of preparation synthetic fiber pulp claimed in claim 1, it is characterized in that: described abrasive disc comprises stator and moving plate, and the baffle during defibrination on stator and the moving plate overlaps.
3. according to the grinding table of disc grinder of preparation synthetic fiber pulp claimed in claim 2, it is characterized in that: the groove of described moving plate is identical with the direction of rotation of moving plate with the incline direction of roll flute.
4. according to the grinding table of disc grinder of claim 1,2 or 3 described preparation synthetic fiber pulps, it is characterized in that: described baffle is a plurality of concentric circles around the center of abrasive disc and evenly distributes.
5. according to the grinding table of disc grinder of preparation synthetic fiber pulp claimed in claim 4, it is characterized in that: the number of described baffle is 2～6.
6. according to the grinding table of disc grinder of claim 1,2,3 or 5 described preparation synthetic fiber pulps, it is characterized in that: the degree of depth of described groove is identical.
7. according to the grinding table of disc grinder of claim 2 or 3 described preparation synthetic fiber pulps, it is characterized in that: the structure of stator and moving plate and measure-alike.
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| CN 201010560846 CN102086606B (en) | 2010-11-26 | 2010-11-26 | Grinding table of disc grinder for preparing synthetic fiber pulp |
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| CN 201010560846 CN102086606B (en) | 2010-11-26 | 2010-11-26 | Grinding table of disc grinder for preparing synthetic fiber pulp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110882754B (en) * | 2019-11-28 | 2024-06-14 | 上海智平基础工程有限公司 | Building soil mummification mud cake mill formula rubbing crusher |
| CN111705534B (en) * | 2020-06-04 | 2022-08-12 | 北京创源基业自动化控制技术研究所 | Grinding disc of straw decomposition machine |
| CN111974499A (en) * | 2020-06-10 | 2020-11-24 | 南通华严磨片有限公司 | Dual-functional abrasive disc |
| CN114589777B (en) * | 2022-03-15 | 2022-09-23 | 无锡学院 | Grinding disc of defibrator with Archimedes spiral tooth-shaped structure and design method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149792A (en) * | 1964-09-22 | Refiner plates | ||
| US3745645A (en) * | 1968-04-25 | 1973-07-17 | Voith Gmbh J M | Method of manufacture and operation of ribbed member for treatment of fibrous suspensions |
| CN101654888A (en) * | 2009-09-11 | 2010-02-24 | 华南理工大学 | Grinding sheet for disc grinder and manufacturing method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665880A (en) * | 1992-08-18 | 1994-03-08 | Shiro Hanamura | Edged tool for preparing paper stock |
| JPH10259585A (en) * | 1997-03-18 | 1998-09-29 | Fuji Photo Film Co Ltd | Pulp beating for base paper of photoprint |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149792A (en) * | 1964-09-22 | Refiner plates | ||
| US3745645A (en) * | 1968-04-25 | 1973-07-17 | Voith Gmbh J M | Method of manufacture and operation of ribbed member for treatment of fibrous suspensions |
| CN101654888A (en) * | 2009-09-11 | 2010-02-24 | 华南理工大学 | Grinding sheet for disc grinder and manufacturing method thereof |
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