CN202478982U - Macromolecule material grinding device - Google Patents
Macromolecule material grinding device Download PDFInfo
- Publication number
- CN202478982U CN202478982U CN2012201370322U CN201220137032U CN202478982U CN 202478982 U CN202478982 U CN 202478982U CN 2012201370322 U CN2012201370322 U CN 2012201370322U CN 201220137032 U CN201220137032 U CN 201220137032U CN 202478982 U CN202478982 U CN 202478982U
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- round
- millstone
- mill
- lapping
- quiet mill
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A macromolecule material grinding device comprises a rotating mill (1) and a stationary mill (2). A reversed conical grinding area is formed between the rotating mill (1) and the stationary mill (2). The rotating mill (1) and the stationary mill (2) are respectively provided with a grinding teeth set composed of the grinding teeth. The grinding teeth of the stationary mill (2) form a jagged groove along the cone bus direction, and the grinding teeth of the rotating mill (1) are serrated teeth and are arranged on a grinding surface of the rotating mill (1) in the spiral line direction. The macromolecule material grinding device enables grinding effect to be greatly improved and particularly has an ability of grinding plastic materials which are easy to deform.
Description
Technical field
The utility model relates to the improved grinding device, more specifically, relates to a kind of macromolecule material lapping device, especially relates to having the lapping device of going round and round a millstone with quiet mill.
Background technology
Modern economy with the technology development, to material require increasingly high, and day by day the variation.People often hope material have high-strength, high-ductility, high temperature resistant, be prone to specific functions such as machine-shaping, durable, antistatic, heat radiation, sound insulation or noise reduction.Macromolecular material is in light weight because of its tool, is prone to processing, satisfies property requirement etc. and enjoy favor.Yet the single polymers macromolecular material often is difficult to reach some property requirement; Therefore polymer is carried out modification, processes composite high-molecular material; Be to make macromolecular material obtain the important channel of property and function, the part macromolecular material is being carried out in the modifying process, need earlier macromolecular material to be carried out attrition process; Generate pulverous raw material; It is more even that raw material is mixed, and accelerates the uniformity of modification speed and material, produces the macromolecular material that performance can be more superior.Flour mill obtains using very widely as one of main production equipments of powder preparing, emerges large quantities ofly to be the flour mill of representative such as Raymond mill, high-pressure micronizer, MPS mill and Roller grinder etc.
The lapping device of existing flour mill mostly is to the grinding than grit such as lime stone, marble, go round and round a millstone and quiet mill between be generally line contact or face contact.Specifically, the tooth lapping of existing flour mill is made up of two lateral tooth flanks, when grinding, intersects formed intersecting lens through two lateral tooth flanks and cuts material, and the shearing force that obtains during the cutting material is little; And in the existing flour mill, quiet mill is identical with size with the shape of last all tooth lappings of going round and round a millstone, and bearing of trend is identical.The characteristics of grit are elastic deformation can not take place at process of lapping, and mainly taking with the Raymond mill is that the lapping device of representative is produced, and directly lean on extruding strong between grinding roller and mill and rotation and grind; It is to the flour mill such as the processing of grain class materials such as wheat, corn that few part is also arranged, though these particles are flexible, elastic deformation can take place, and intensity is very low, and employing is that the lapping device of representative can pulverize with the roll squeezer; Yet; Macromolecule pellet (like ABS, PC etc.) both can produce elastic deformation because of the influence that is stressed in process of lapping, and the hardness of itself is also higher, if adopt the lapping device such as Raymond mill, roll squeezer; Only depend on and grind and extruding; Efficient is very low, is not easy the macromolecule pellet material is processed into powdery, and energy consumption is high in the process.Design to the flour mill core component-lapping device that grinds macromolecular material seems most important.
The utility model content
The utility model technical problem to be solved provides a kind of lapping device that can grind macromolecule material; Effective cooperation of moving mill and quiet roll flute shape trend is that lapping device provides powerful shearing force field, makes macromolecular material between moving mill and quiet mill, be sheared fragmentation well.
An aspect according to the utility model; A kind of macromolecule material lapping device is provided, and this macromolecule material lapping device comprises goes round and round a millstone and quiet mill, said go round and round a millstone and said quiet mill between form obconic milling zone; Go round and round a millstone with quiet mill on have the tooth lapping group that constitutes by tooth lapping respectively; It is characterized in that: the tooth lapping of said quiet mill is forming the zigzag groove along the element of cone direction, and the tooth lapping of going round and round a millstone is a serrated teeth, and the line direction is arranged in the shape of a spiral on the lapped face of going round and round a millstone.
Further, said go round and round a millstone and said quiet mill between the gap up big and down small, become a wedge shape mouth.
Further, dark shallow down on the tooth lapping teeth groove of said quiet mill.
Further, the tooth lapping teeth groove of said quiet mill is triangular-section, up big and down small along the element of cone direction, and the centre seamlessly transits.
Further, the lead angle of the helix of said tooth lapping formation of going round and round a millstone is 80～85
O
The utlity model has following beneficial effect:
Usually, plastic deformation takes place in macromolecular material easily under the pressurization situation, only depends on the effect of rolling to be difficult to macromolecular material is pulverized, and the best way passes through shearing-crushing exactly.Since the utility model go round and round a millstone and quiet mill between form obconic milling zone; The tooth lapping of quiet mill is forming the zigzag groove along the element of cone direction; The tooth lapping of going round and round a millstone is the serrated teeth of the trend of line in the shape of a spiral, because pellet is when moving downward in quiet barreling roll flute teeth groove, going round and round a millstone to touch the surface of pellet; Tooth lapping on going round and round a millstone can produce shearing force to the pellet surface; Through the relative motion of going round and round a millstone with quiet mill, pellet is sheared under the effect of strong shearing force by spiral trajectory fully, and the pellet that makes size reach target is discharged downwards along hand of helix.Thereby the lapping device that makes the utility model provide makes grinding effect improved greatly, and lapping device has especially had the ability of grinding yielding plastic material.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the lapping device structural representation according to the embodiment of the utility model;
Fig. 2 looks sketch map for the master who goes round and round a millstone according to the lapping device of the embodiment of the utility model;
Fig. 3 is the schematic top plan view according to the quiet mill of the lapping device of the embodiment of the utility model;
Fig. 4 for according to the lapping device of the embodiment of the utility model go round and round a millstone or quiet mill on the schematic cross-section of tooth lapping;
Fig. 5 shows the schematic perspective view according to the tooth lapping on the quiet mill of the flour mill of the embodiment of the utility model.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
As shown in Figure 1, going round and round a millstone 1 is in rotation status in the course of the work owing to fix through screw with revolving drum 4; And quiet mill 2 is owing to fixing through screw with quiet mill tube 3 and remaining static all the time in the course of the work.Go round and round a millstone 1 and quiet mill 2 between the gap up big and down small, form a wedge shape mouth.During work; Material gets into milling zone through the wedge shape mouth; Under the rotation of revolving drum 4, the 1 pair of material of going round and round a millstone produces horizontal shear force and abrasion friction power, and the serrated teeth of its helix trend produces a downward active force to material simultaneously; Add the gravity of material itself, material has experienced process of lapping in moving downward gradually.
Go round and round a millstone 1 with the lapped face of quiet mill 2 on have the tooth lapping group that constitutes by tooth lapping respectively.As shown in Figure 2,1 the tooth lapping of going round and round a millstone is the line direction serrated teeth of arranging in the shape of a spiral on lapped face, and tooth lapping is triangular-section as shown in Figure 4, and the lead angle of the helix that tooth lapping forms is 80～85O; The tooth lapping of quiet mill 2 as shown in Figure 3 is forming the zigzag groove along the element of cone direction, and like Fig. 4 and shown in Figure 5, the teeth groove of quiet mill 2 tooth lappings is triangular-section, up big and down small along the element of cone direction, and the centre seamlessly transits, and is dark shallow down on the tooth lapping teeth groove.
Intersect the line that forms through two flanks when the tooth lapping in the existing flour mill lapping device is worked and cut material.For the plastic material of easy deformation, this lapping mode is difficult to effectively.By contrast; In the utility model since go round and round a millstone 1 and quiet mill 2 between form obconic milling zone; The tooth lapping of quiet mill 2 is forming the zigzag groove along the element of cone direction, 1 the tooth lapping of going round and round a millstone is the line direction serrated teeth of arranging in the shape of a spiral on lapped face, goes round and round a millstone 1 to cooperatively interact with quiet mill 2 material in grinding is applied powerful extruding and shearing force; Because when pellet moves downward in quiet mill 2 tooth lapping teeth groove; Go round and round a millstone 1 can touch pellet the surface, the tooth lapping of going round and round a millstone on 1 can produce shearing force to the pellet surface, through go round and round a millstone 1 with the relative motion of quiet mill 2; Pellet is sheared under the effect of strong shearing machine power by spiral trajectory fully, and the pellet that makes size reach target is discharged downwards along hand of helix.The teeth groove of quiet mill 2 tooth lappings is triangular-section, up big and down small along the element of cone direction; The centre seamlessly transits, and is dark shallow down on the tooth lapping teeth groove, in the course of the work; Can the pellet of miss the mark size be stayed and continue in the lapping device to grind; Be discharged from outside the mill after reaching the target grain size size, have the function of screening concurrently, can improve the fineness and the uniformity of grinding the back powder.Thereby the lapping device that makes the utility model provide makes grinding effect improved greatly, and lapping device has especially had the ability of grinding yielding plastic material.
More than combine specific embodiment to set forth the specific embodiment of the utility model, said embodiment also limits the utility model never in any form.Should be appreciated that those skilled in the art can carry out multiple change or modification to these embodiment and the specific embodiment under the situation of scope that does not deviate from the utility model and spirit.Therefore, the protection domain of the utility model should limiting and being equal to replacement institute and contain claims.
Claims (5)
1. macromolecule material lapping device; Comprise and going round and round a millstone (1) and quiet mill (2); Form obconic milling zone between said going round and round a millstone (1) and the said quiet mill (2), go round and round a millstone (1) with quiet mill (2) on have the tooth lapping group that constitutes by tooth lapping respectively, it is characterized in that: the tooth lapping of said quiet mill (2) is along element of cone direction formation zigzag groove; The tooth lapping of (1) of going round and round a millstone is a serrated teeth, and the line direction is arranged in the shape of a spiral on the lapped face of (1) of going round and round a millstone.
2. macromolecule material lapping device according to claim 1 is characterized in that: the gap between said going round and round a millstone (1) and the said quiet mill (2) is up big and down small, becomes a wedge shape mouth.
3. macromolecule material lapping device according to claim 1 is characterized in that: dark shallow down on the tooth lapping teeth groove of said quiet mill (2).
4. according to claim 1 or 3 described macromolecule material lapping devices, it is characterized in that: the tooth lapping teeth groove of said quiet mill (2) is triangular-section, up big and down small along the element of cone direction, and the centre seamlessly transits.
5. macromolecule material lapping device according to claim 1 is characterized in that: the lead angle of the helix that the tooth lapping of said going round and round a millstone (1) forms is 80～85
O
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370322U CN202478982U (en) | 2012-04-01 | 2012-04-01 | Macromolecule material grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370322U CN202478982U (en) | 2012-04-01 | 2012-04-01 | Macromolecule material grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202478982U true CN202478982U (en) | 2012-10-10 |
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ID=46953445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201370322U Expired - Fee Related CN202478982U (en) | 2012-04-01 | 2012-04-01 | Macromolecule material grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202478982U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801396A (en) * | 2015-04-20 | 2015-07-29 | 沈阳化工大学 | Grinding disc for waste rubber smashing device |
| CN110629578A (en) * | 2019-10-28 | 2019-12-31 | 安徽华城兴建材科技有限公司 | Double-disc refiner for improving stability of plate making by pulp flow method and application method thereof |
| CN112138800A (en) * | 2020-08-29 | 2020-12-29 | 孙岩琳 | Detection device for food inspection |
-
2012
- 2012-04-01 CN CN2012201370322U patent/CN202478982U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801396A (en) * | 2015-04-20 | 2015-07-29 | 沈阳化工大学 | Grinding disc for waste rubber smashing device |
| CN110629578A (en) * | 2019-10-28 | 2019-12-31 | 安徽华城兴建材科技有限公司 | Double-disc refiner for improving stability of plate making by pulp flow method and application method thereof |
| CN112138800A (en) * | 2020-08-29 | 2020-12-29 | 孙岩琳 | Detection device for food inspection |
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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: 20121010 Termination date: 20130401 |