CN204866001U - Grinding roller axle of lei meng milling machine and connection structure of grinding roller - Google Patents
Grinding roller axle of lei meng milling machine and connection structure of grinding roller Download PDFInfo
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- CN204866001U CN204866001U CN201520626257.8U CN201520626257U CN204866001U CN 204866001 U CN204866001 U CN 204866001U CN 201520626257 U CN201520626257 U CN 201520626257U CN 204866001 U CN204866001 U CN 204866001U
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- grinding roller
- shaft
- hole
- taper hole
- roller axle
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Abstract
The utility model discloses a grinding roller axle of lei meng milling machine and connection structure of grinding roller, including the grinding roller axle with install the grinding roller of tip under the grinding roller axle, the crescent taper hole of diameter is from top to bottom offered to the lower extreme of grinding roller axle, install the tip expanded axis of cone under the made grinding roller axle that is frustum form in the taper hole. The utility model discloses setting up the taper hole below the grinding roller axle, installing the axis of cone in the taper hole, when connecting bolt screwed, because the effect of the conical surface, messenger's grinding roller axle head portion expanded and couples with the interference of core cover, the stressed joint mode that this kind is bloated, and simple structure easily processes easy dismounting. During the dismantlement, the connecting bolt that only need screw out, then the spiral shell dress provides the device in the perforating hole, can provide the axis of cone, makes the relative core of grinding roller axle cover not hard up.
Description
Technical field
The utility model relates to a kind of shaft of grinding roller of raymond mill and the syndeton of grinding roller.
Background technology
Raymond mill is nonmetallic mineral processed and applied one of equipment the most widely.The basic structure of existing raymond mill is as follows: comprise support, the end face of support is connected with barrel, support is built with bull ring, support is rotatably connected to the main shaft stretched in barrel, main shaft is connected with plum blossom frame, hinge dress many covers grinding roller assembly on plum blossom frame, described grinding roller assembly comprises the grinding roller that hinge is contained in the shaft of grinding roller on plum blossom frame and is contained on shaft of grinding roller, produce collision friction with bull ring while grinding roller rotates, thus reach the object of comminuting matter.Because grinding roller size is comparatively large, use equipment comparatively large, machining accuracy not easily ensures, in use easily loosens, if keep in repair not in time, grinding roller will come off and cause miscellaneous part damage in barrel, and impact is normally produced, and maintenance cost is large, time-consuming.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of shaft of grinding roller of raymond mill and the syndeton of grinding roller that connect reliable, easy accessibility.
For solving the problems of the technologies described above, the utility model comprises shaft of grinding roller and is arranged on the grinding roller of shaft of grinding roller bottom, it is characterized in that the taper hole that the lower end of described shaft of grinding roller offers diameter from top to bottom and increases gradually, the axis of cone expanded in the made shaft of grinding roller bottom in frustum is installed in described taper hole.
Described shaft of grinding roller is connected by key with grinding roller.
Described taper hole and shaft of grinding roller are coaxially set.
The described axis of cone is provided with the through hole of the through axis of cone, on described shaft of grinding roller, corresponding through hole is provided with blind hole, described through hole and blind hole internal surface are provided with screw thread, and in the through hole of the described axis of cone, spiral shell load connecting bolt, connecting bolt end are connected with blind hole thus the axis of cone are arranged in taper hole.
The height of the lower surface of described shaft of grinding roller is higher than the height of grinding roller lower surface; Be provided with in described shaft of grinding roller and be positioned at taper hole top and the cushion hole directly communicated with taper hole, described cushion hole is cylindric, and its external diameter is equal with the minimum outer diameter of taper hole.
After adopting said structure, the utility model arranges taper hole below shaft of grinding roller, installs the axis of cone, when connecting bolt screws in taper hole, due to the effect of the conical surface, make shaft of grinding roller end expand and with core retainer plate interference fit joint, this kind of swelling connected mode, structure is simple, is easy to processing, easy accessibility.During dismounting, only need screw out connecting bolt, then in through hole, spiral shell dress proposes device, can propose the axis of cone, and the relative core retainer plate of shaft of grinding roller is loosened.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Be described for above-below direction in diagram in the present embodiment.As shown in Figure 1, the shaft of grinding roller of raymond mill and the syndeton of grinding roller comprise shaft of grinding roller 1 and are arranged on the grinding roller of shaft of grinding roller 1 bottom.Grinding roller comprises the roller shell 3 being connected to core retainer plate on shaft of grinding roller 12 by key 4 and being arranged on core retainer plate 2, and core retainer plate 2 is gone back cocoa and adopted other prior aries to be packed on shaft of grinding roller 1, in this not go into detail core retainer plate built-in structure.
In the present embodiment roller shell 3 longitudinal section in the lateral profiles line 34 of its outside portion be the camber line of evagination.In each point on lateral profiles line 34, apart from shaft of grinding roller 1 heart line farthest, the two-end-point of lateral profiles line 34 is equal and nearest apart from shaft of grinding roller 1 heart line apart from the distance of shaft of grinding roller 1 heart line, makes the surface of revolution of grinding roller be ball face for the mid point of lateral profiles line 34.The structure of the bull ring of flour mill and adapting of grinding roller, the grinding roller of this kind of structure, the contact area of its bull ring and grinding roller increases thus increases pulverizing area, can improve crush efficiency and increase yield.
For prevent grinding roller in use and occur between shaft of grinding roller 1 loosen, the lower end of shaft of grinding roller 1 offers the taper hole that diameter from top to bottom increases gradually, taper hole and shaft of grinding roller 1 are coaxially set, and are provided with the axis of cone 5 expanded in made shaft of grinding roller 1 bottom in frustum in taper hole.The axis of cone 5 is provided with the through hole along its axial through axis of cone 5, on shaft of grinding roller 1, corresponding through hole is provided with blind hole, through hole and blind hole internal surface are provided with screw thread, and in the through hole of the axis of cone 5, spiral shell load connecting bolt 6, connecting bolt 6 end are connected with blind hole thus the axis of cone 5 are arranged in taper hole.The height of the lower surface of shaft of grinding roller 1 is higher than the height of grinding roller lower surface; Be provided with in shaft of grinding roller 1 and be positioned at taper hole top and the cushion hole 11 directly communicated with taper hole, cushion hole is cylindric, and its external diameter is equal with the minimum outer diameter of taper hole.When this kind of structure can ensure that the axis of cone 5 up-down adjustment makes shaft of grinding roller 1 bottom expand, leave adjustment surplus.
Below the utility model shaft of grinding roller 1, taper hole is set, the axis of cone 5 is installed in taper hole, when connecting bolt 6 screws, due to the effect of the conical surface, expanded in shaft of grinding roller 1 end and with core retainer plate 2 interference fit joint, this kind of swelling connected mode, structure is simple, is easy to processing, easy accessibility.During dismounting, only need screw out connecting bolt 6, then in through hole, spiral shell dress proposes device, can propose the axis of cone 5, and core retainer plate 2 is loosening relatively to make shaft of grinding roller 1.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.In every case, within inventive concept scope of the present utility model, any amendment made, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (5)
1. the shaft of grinding roller of a raymond mill and the syndeton of grinding roller, comprise shaft of grinding roller (1) and be arranged on the grinding roller of shaft of grinding roller (1) bottom, it is characterized in that the taper hole that the lower end of described shaft of grinding roller (1) offers diameter from top to bottom and increases gradually, the axis of cone (5) expanded in made shaft of grinding roller (1) bottom in frustum is installed in described taper hole.
2. the shaft of grinding roller of raymond mill according to claim 1 and the syndeton of grinding roller, is characterized in that described shaft of grinding roller (1) is connected by key with grinding roller.
3. the shaft of grinding roller of raymond mill according to claim 1 and the syndeton of grinding roller, is characterized in that described taper hole and shaft of grinding roller are coaxially set.
4. the shaft of grinding roller of raymond mill according to claim 1 and the syndeton of grinding roller, it is characterized in that the described axis of cone (5) is provided with the through hole of the through axis of cone (5), on described shaft of grinding roller, corresponding through hole is provided with blind hole, described through hole and blind hole internal surface are provided with screw thread, and in the through hole of the described axis of cone (5), spiral shell load connecting bolt (6), connecting bolt (6) end are connected with blind hole thus the axis of cone (5) are arranged in taper hole.
5. the shaft of grinding roller of raymond mill according to any one of claim 1 to 4 and the syndeton of grinding roller, is characterized in that the height of the height of the lower surface of described shaft of grinding roller higher than grinding roller lower surface; Be provided with in described shaft of grinding roller and be positioned at taper hole top and the cushion hole (11) directly communicated with taper hole, described cushion hole (11) is in cylindric, and its external diameter is equal with the minimum outer diameter of taper hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626257.8U CN204866001U (en) | 2015-08-19 | 2015-08-19 | Grinding roller axle of lei meng milling machine and connection structure of grinding roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626257.8U CN204866001U (en) | 2015-08-19 | 2015-08-19 | Grinding roller axle of lei meng milling machine and connection structure of grinding roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204866001U true CN204866001U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520626257.8U Active CN204866001U (en) | 2015-08-19 | 2015-08-19 | Grinding roller axle of lei meng milling machine and connection structure of grinding roller |
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| Country | Link |
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| CN (1) | CN204866001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639653A (en) * | 2019-10-10 | 2020-01-03 | 陕西理工大学 | Grinding roller shaft and belt pulley connection structure of fine konjaku flour machine |
-
2015
- 2015-08-19 CN CN201520626257.8U patent/CN204866001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639653A (en) * | 2019-10-10 | 2020-01-03 | 陕西理工大学 | Grinding roller shaft and belt pulley connection structure of fine konjaku flour machine |
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| GR01 | Patent grant |