CN203541294U - Spiral circular-arc auxiliary blade forming mold of coal mining machine roller - Google Patents
Spiral circular-arc auxiliary blade forming mold of coal mining machine roller Download PDFInfo
- Publication number
- CN203541294U CN203541294U CN201320780203.8U CN201320780203U CN203541294U CN 203541294 U CN203541294 U CN 203541294U CN 201320780203 U CN201320780203 U CN 201320780203U CN 203541294 U CN203541294 U CN 203541294U
- Authority
- CN
- China
- Prior art keywords
- group
- stud
- coal mining
- mining machine
- auxiliary blade
- Prior art date
- 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
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model provides a spiral circular-arc auxiliary blade forming mold of a coal mining machine rotary drum, relates to an auxiliary blade forming mold of the coal mining machine rotary drum and aims at solving the problem that an existing coal mining machine rotary drum adopts spiral cylindrical auxiliary blades, accordingly the coal charging capacity of the rotary drum is poor, the cutting resistance is increased, the coal mining machine advancing speed and the coal mining efficiency are reduced, and the service life of the rotary drum is shortened. An upper mold base is fixedly connected with a first group of vertical ribs, a lower mold base is fixedly connected with a second group of vertical ribs, two groups of vertical ribs are arranged in a sector mode and vertically correspond in a one-to-one mode, the upper end faces of the first group of vertical ribs and the lower end faces of the second group of vertical ribs are circular-arc faces, the circular-arc faces of the second group of vertical ribs are smaller than the circular-arc faces of the first group of vertical ribs in curvature radius, and central connection lines of the circular-arc faces of the first group of vertical ribs and central connection lines of the circular-arc faces of the second group of vertical ribs are spiral lines. The mold can improve the loading capacity of rotary drum, decrease the cutting resistance and reduce the powdered coal yield. The coal mining machine advancing speed and the coal mining efficiency are improved, and the service life of the rotary drum is prolonged. The mold is used for manufacture of the auxiliary blades of the coal mining machine rotary drum.
Description
Technical field
The utility model relates to a kind of coal mining machine roller auxiliary blade molding fetal.
Background technology
At present, the coal mining machine roller of colliery application, because auxiliary blade is spiral cylindricality, does not have circular arc, and coal is easily piled up, is squeezed between blade and cylindrical shell, and fine coal output is increased, and lump coal reduces.A little less than loading ability, increase cutting resistance, coal-winning machine pace, coal mining efficiency and cylinder are reduced service life.
Utility model content
The purpose of this utility model is to provide a kind of coal mining machine roller spiral circle arc auxiliary blade molding fetal, for solving existing coal mining machine roller because auxiliary blade is spiral cylindricality, a little less than loading ability, increase cutting resistance, make the problem of coal-winning machine pace, coal mining efficiency and cylinder reduction in service life.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
Coal mining machine roller spiral circle arc auxiliary blade molding fetal, described coal mining machine roller spiral circle arc auxiliary blade molding fetal comprises placenta and lower placenta, described coal mining machine roller spiral circle arc auxiliary blade molding fetal also comprises two groups of studs, two groups of studs are respectively first group of stud and second group of stud, upper placenta and lower placenta are up and down over against setting, the upper surface of upper placenta is fixedly connected with the lower surface of first group of stud, the lower surface of lower placenta is fixedly connected with the upper surface of second group of stud, two groups of studs are all fan-shaped arranging, every group of stud comprises a plurality of studs, two groups of stud corresponding settings one by one up and down, upper surface in first group of stud and the lower surface of second group of stud are arc surface, and the radius of curvature of the arc surface of second group of stud is less than the radius of curvature of the arc surface of first group of stud, the arc surface line of centres of first group of stud and the arc surface line of centres of second group of stud are helix, between the arc surface of two groups of studs, be provided with spacing.
The beneficial effects of the utility model are: use the auxiliary blade size of mold moulding of the present utility model accurate, by the particular design of spacing between two groups of stud arc surfaces, the coal that can make cut get off reduces in interlobate friction, thereby is transported quickly.Improve cylinder delivered payload capability, reduce cutting resistance, reduce fine coal output, improve coal-winning machine pace, coal mining efficiency and cylinder (0.85 meter of pace raising per minute in service life, coal mining efficiency improves 200～300 tons every day, and cylinder improves 1.4 times service life).
Accompanying drawing explanation
Fig. 1 is the overall structure stereogram of coal mining machine roller spiral circle arc auxiliary blade molding fetal of the present utility model.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 explanation, the coal mining machine roller spiral circle arc auxiliary blade molding fetal of present embodiment, described coal mining machine roller spiral circle arc auxiliary blade molding fetal comprises placenta 5 and lower placenta 4, described coal mining machine roller spiral circle arc auxiliary blade molding fetal also comprises two groups of studs, two groups of studs are respectively first group of stud 1 and second group of stud 2, upper placenta 5 and lower placenta 4 are up and down over against setting, the upper surface of upper placenta 5 is fixedly connected with the lower surface of first group of stud 1, the lower surface of lower placenta 4 is fixedly connected with the upper surface of second group of stud 2, two groups of studs are all fan-shaped arranging, every group of stud comprises a plurality of studs 3, two groups of stud corresponding settings one by one up and down, upper surface in first group of stud 1 and the lower surface of second group of stud 2 are arc surface 6, and the radius of curvature of the arc surface 6 of second group of stud 2 is less than the radius of curvature of the arc surface 6 of first group of stud 1, arc surface 6 lines of centres of first group of stud 1 and arc surface 6 lines of centres of second group of stud 2 are helix, between the arc surface 6 of two groups of studs, be provided with spacing.
In upper and lower placenta, on the stud helix in the middle of being positioned at, each point springback capacity is zero, is positioned at each point springback capacity on the stud helix of both sides and all increases successively to both sides, and circular arc springback capacity is all by 95% calculating of its diameter.
The specific embodiment two: in conjunction with Fig. 1 explanation, the quantity of every group of stud is seven described in present embodiment.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 explanation, the central angle of first group of stud 1 is α described in present embodiment, α=50 °～55 °.The above-mentioned most preferably scheme that is of a size of.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment four: described in present embodiment, the helical pitch of helix is 1253mm.The above-mentioned most preferably scheme that is of a size of, in present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment five: in conjunction with Fig. 1 explanation, on the arc surface 6 of first group of stud 1, the distance (projection internal diameter) between nearest one end to described central angle center, distance central angle center is 500mm described in present embodiment; Distance (projection external diameter) on the arc surface 6 of first group of stud 1 between one end farthest, distance central angle center to described central angle center is 1240mm; The diameter of the arc surface 6 of first group of stud 1 is 350mm.The above-mentioned most preferably scheme that is of a size of.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one, two, three or four.
The specific embodiment six: in conjunction with Fig. 1 explanation, upper placenta 5 and lower placenta 4 shut heights are 500mm described in present embodiment.This is of a size of most preferably scheme, meets design requirement.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment seven: in conjunction with Fig. 1 explanation, and the lower surface of the lower surface of first group of stud 1 and lower the placenta 4 and upper surface of second group of stud 3, the upper upper surface of placenta 5 all adopts welding manner to be fixedly connected with described in present embodiment.Reduced mold difficulty of processing, part forming size is accurate.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment eight: in conjunction with Fig. 1 explanation, the spacing described in present embodiment between the arc surface 6 of two groups of studs is 20mm.Can meet the requirement of thickness of processing piece.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
Operation principle: respectively weld one group of stud in the upper surface of the lower surface of upper placenta 5 and lower placenta 4 by the left and right direction of revolving, upper placenta 5 and lower placenta 4 put together on hydraulic press platform, mounted blade material is placed between placenta 5 and lower placenta 4, utilizes hydraulic press to extrude left and right spiral auxiliary blade simultaneously.
Claims (8)
1. a coal mining machine roller spiral circle arc auxiliary blade molding fetal, described coal mining machine roller spiral circle arc auxiliary blade molding fetal comprises placenta (5) and lower placenta (4), it is characterized in that: described coal mining machine roller spiral circle arc auxiliary blade molding fetal also comprises two groups of studs, two groups of studs are respectively first group of stud (1) and second group of stud (2), upper placenta (5) and lower placenta (4) are up and down over against setting, the upper surface of upper placenta (5) is fixedly connected with the lower surface of first group of stud (1), the lower surface of lower placenta (4) is fixedly connected with the upper surface of second group of stud (2), two groups of studs are all fan-shaped arranging, every group of stud comprises a plurality of studs (3), two groups of stud corresponding settings one by one up and down, the lower surface of the upper surface in first group of stud (1) and second group of stud (2) is arc surface (6), and the radius of curvature of the arc surface (6) of second group of stud (2) is less than the radius of curvature of the arc surface (6) of first group of stud (1), arc surface (6) line of centres of arc surface (6) line of centres of first group of stud (1) and second group of stud (2) is helix, the arc surface of two groups of studs is provided with spacing between (6).
2. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: described every group of stud quantity is seven.
3. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: the central angle of described first group of stud (1) is α, α=50 °～55 °.
4. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: the helical pitch of described helix is 1253mm.
5. according to coal mining machine roller spiral circle arc auxiliary blade molding fetal described in claim 1,2,3 or 4, it is characterized in that: it is 500mm that the arc surface (6) of described first group of stud (1) is gone up nearest one end, distance central angle center to the distance between described central angle center; Distance between one end to described central angle center farthest, the upper distance central angle of arc surface (6) center of first group of stud (1) is 1240mm; The diameter of the arc surface (6) of first group of stud (1) is 350mm.
6. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: described upper placenta (5) and lower placenta (4) shut height are 500mm.
7. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: the upper surface of described upper placenta (5) all adopts welding manner to be fixedly connected with the lower surface of first group of stud (1) and the lower surface of lower placenta (4) with the upper surface of second group of stud (3).
8. coal mining machine roller spiral circle arc auxiliary blade molding fetal according to claim 1, is characterized in that: the spacing between the arc surface of described two groups of studs (6) is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780203.8U CN203541294U (en) | 2013-12-02 | 2013-12-02 | Spiral circular-arc auxiliary blade forming mold of coal mining machine roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780203.8U CN203541294U (en) | 2013-12-02 | 2013-12-02 | Spiral circular-arc auxiliary blade forming mold of coal mining machine roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541294U true CN203541294U (en) | 2014-04-16 |
Family
ID=50459463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780203.8U Expired - Fee Related CN203541294U (en) | 2013-12-02 | 2013-12-02 | Spiral circular-arc auxiliary blade forming mold of coal mining machine roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900212A (en) * | 2017-11-07 | 2018-04-13 | 中国二冶集团有限公司 | A kind of construction method of 1/4 hemispherical dome of quick compacting |
-
2013
- 2013-12-02 CN CN201320780203.8U patent/CN203541294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900212A (en) * | 2017-11-07 | 2018-04-13 | 中国二冶集团有限公司 | A kind of construction method of 1/4 hemispherical dome of quick compacting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103286435B (en) | A kind of mixing yoghurt prepares the stirring-head of metal-base composites | |
| CN203541294U (en) | Spiral circular-arc auxiliary blade forming mold of coal mining machine roller | |
| CN204777256U (en) | Material feeding unit of bearing | |
| CN202212578U (en) | Lead sheet granulating device | |
| CN203355810U (en) | Automatic ball supplementing machine | |
| CN105252802A (en) | Tablet pressing device used in porous catalyst making process | |
| CN203826480U (en) | Extrusion coating die head for lithium ion batteries | |
| CN203974116U (en) | A kind of twin-screw sphere extruder | |
| CN203108506U (en) | Vertical ring die structure | |
| CN201807857U (en) | Spot welding universal fixture of cell phone battery | |
| CN205255568U (en) | Homocline ware of living beings briquetting machine | |
| CN201736361U (en) | Meshing type rotor of rubber and plastic internal mixer | |
| CN204508030U (en) | A kind of Combined spiral carries grain auger | |
| CN103921427A (en) | Sliding self-adaptive plasticizing extruding device and method | |
| CN204675194U (en) | Hopper transfer rack | |
| CN203612534U (en) | Double inclined feeding machine | |
| CN103032882A (en) | Hopper convenient to feed | |
| CN203610097U (en) | Granulation roller for rotary drum granulator | |
| CN203461552U (en) | Powder conveying system | |
| CN204265027U (en) | A kind of feeder hopper | |
| CN202245229U (en) | Double-outlet bentonite feeder | |
| CN103143296B (en) | Granulator | |
| CN202715727U (en) | Rolling barrel lead-changing spiral vane forming mould for coal mining machine | |
| CN201217701Y (en) | Continuous blanking device | |
| CN203938177U (en) | Chuck mode battery production lines conveying equipment |
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: 20140416 Termination date: 20161202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |