CN204866003U - Grinding roller of lei meng milling machine - Google Patents
Grinding roller of lei meng milling machine Download PDFInfo
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- CN204866003U CN204866003U CN201520625782.8U CN201520625782U CN204866003U CN 204866003 U CN204866003 U CN 204866003U CN 201520625782 U CN201520625782 U CN 201520625782U CN 204866003 U CN204866003 U CN 204866003U
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- construction section
- grinding roller
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- retainer plate
- core retainer
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Abstract
The utility model discloses a grinding roller of lei meng milling machine, the core cover of grinding roller includes last outer construction section, outer joint section and lower outer construction section, the external diameter of going up outer construction section from top to bottom reduces gradually, in the roller shell of grinding roller divide into construction section, in -connection section and down in the construction section, in going up the internal diameter of construction section from top to bottom reduce gradually and its with last outer construction section between install epicone pads, the internal diameter of construction section is crescent from top to bottom in down, in down the construction section with down between the outer construction section cartridge have the awl of pressure, press to install down between awl and the lower interior construction section and bore the pad, the pressure is bored and is passed through the connecting piece with last outer construction section and be connected. The set up machining dimension and the machining precision that make core cover surface and roller shell internal surface that the awl filled up require to reduce, reduced the processing degree of difficulty of the conical surface, and because rubber have the high elasticity for clamp bolt tightens its pretightning force of back keep higher value always under the effect of awl pad, guarantees that clamp bolt is difficult not hard up, and then guarantees the fastness that the core overlaps and the roller shell is connected.
Description
Technical field
The utility model relates to a kind of grinding roller of raymond mill.
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.The roller shell of tradition grinding roller adopts the cooperation fixed form of taper seat and shaft of grinding roller or core retainer plate to fix, but taper seat has very large difficulty in process, and manufacturing cost is high, and taper seat uses rear serious wear for a long time, and easily produce and loosen, impact is normally produced.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of grinding roller of raymond mill easy to process.
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 described grinding roller comprises the core retainer plate be arranged on shaft of grinding roller and the roller shell be arranged on core retainer plate, described core retainer plate comprises upper outside construction section, outer linkage section and lower outside construction section from top to bottom successively, the external diameter of described upper outside construction section from top to bottom reduces gradually, and the external diameter of described outer linkage section and the external diameter of lower outside construction section are all less than the minimum outer diameter of upper outside construction section, described roller shell is divided into interior construction section from top to bottom successively, interior linkage section and lower interior construction section, the internal diameter of described interior construction section from top to bottom reduces gradually and is provided with epicone pad between the outer surface of the upper outside construction section of its inner surface and core retainer plate, the internal diameter of described lower interior construction section from top to bottom increases gradually, the pressure be fitted with in gap between the lower interior construction section of described roller shell and the lower outside construction section of core retainer plate is in the form of a ring bored, described pressure cone inner surface matches with the outer surface of lower outside construction section, between the outer surface of described pressure cone and the inner surface of lower interior construction section, lower cone is installed to pad, described pressure cone is connected by connector with the upper outside construction section of core retainer plate.
Described epicone pad and lower cone pad are rubber blanket.
Described outer linkage section and lower outside construction section are all in cylindric, and the external diameter of described lower outside construction section is less than the external diameter of outer linkage section.
The internal diameter of described interior linkage section arbitrary cross section is equal, and the minimum diameter of described interior construction section, the minimum diameter of lower interior construction section are equal with the internal diameter of interior linkage section.
Upper outside construction section and the pressure cone correspondence of described core retainer plate are provided with at least one group of bolt hole, install hold-down bolt and be connected with core retainer plate by pressure cone in described bolt hole; The radius of the outer surface of described outer linkage section is less than the minimum range between hold-down bolt outer surface and shaft of grinding roller axis.
In the longitudinal section of described roller shell, the lateral profiles line of its outside portion is the camber line of evagination.
After adopting said structure, the utility model grinding roller is divided into core retainer plate and roller shell, and the roller shell thickness of grinding roller is reduced, and decrease the use of high-abrasive material, dead meal diminishes, and provides cost savings.Roller shell and core retainer plate top are cone match, and the pressure cone that bottom is the conical surface by its outer surface compresses, and pressure cone is connected with core retainer plate by hold-down bolt, thus make roller shell and the mutual swelling of core retainer plate, improve the tightness that both connect, and this kind of syndeton, structure is simple, easy accessibility.The epicone pad and lower cone pad be made up of rubber are set at roller shell and core retainer plate contact position, the processing dimension of core retainer plate outer surface and roller shell inner surface and requirement on machining accuracy are reduced greatly, reduce the difficulty of processing of the conical surface, and because rubber has high resiliency, after hold-down bolt is tightened, its pretightning force keeps high value under the effect of cone pad always, ensure that hold-down bolt not easily loosens, and then ensure the fastness that core retainer plate is connected with roller shell.
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
As shown in Figure 1, be described for above-below direction in diagram in the present embodiment.The grinding roller of raymond mill comprises shaft of grinding roller 1 and is 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.
Core retainer plate 2 comprises upper outside construction section 21 from top to bottom successively, outer linkage section 22 and lower outside construction section 23, it is back taper mesa-shaped that the external diameter of the upper outside construction section 21 of core retainer plate 2 from top to bottom reduces to be it gradually, outer linkage section 22 and lower outside construction section 23 are all in cylindric, the external diameter of outer linkage section 22 is less than the minimum outer diameter of upper outside construction section 21, the external diameter of lower outside construction section 23 is less than the external diameter of outer linkage section 22 thus makes core retainer plate 2 outer surface form two steps, the external diameter of outer linkage section 22 and the external diameter of lower outside construction section 23 are all less than the internal diameter of the interior linkage section of roller shell 3, this kind of little suit being convenient to core retainer plate 2 and roller shell 3 of structure core retainer plate 2 lower outer diameter.Due to shaft of grinding roller 1 to length general less, be ensure fixation between core retainer plate 2 and shaft of grinding roller 1, be also provided with convex section 24 on upper outside construction section 21 top in the present embodiment, which increase the length of core retainer plate 2, be convenient to core retainer plate 2 and be connected by key with shaft of grinding roller 1.
Roller shell 3 is divided into interior construction section 31, interior linkage section 32 and lower interior construction section 33 from top to bottom successively, the internal diameter of interior linkage section 32 arbitrary cross section is equal, and the minimum diameter of upper interior construction section 31, the minimum diameter of lower interior construction section 33 are equal with the internal diameter of interior linkage section 32.In upper, the internal diameter of construction section 31 from top to bottom reduces gradually and leaves gap between the outer surface of the upper outside construction section 21 of its inner surface and core retainer plate 2, in upper, the outer surface of the inner surface of construction section 31 and the upper outside construction section 21 of core retainer plate 2 is the taper seat of coaxial line, in the gap between the inner surface and the outer surface of upper outside construction section 21 of upper interior construction section 31, the epicone pad 9 be made up of rubber is installed, the inner surface of epicone pad 9 and the exterior surface of upper outside construction section 21, the outer surface of epicone pad 9 contacts with the inner surface of upper interior construction section 31, namely the surfaces externally and internally of epicone pad 9 is taper seat.In lower, the internal diameter of construction section 33 from top to bottom increases gradually, the pressure be fitted with in gap between the lower interior construction section 33 of roller shell 3 and the lower outside construction section 23 of core retainer plate 2 in the form of a ring bores 8, the inner surface of pressure cone 8 is the face of cylinder, outer surface is the conical surface, pressure cone 8 inner surface matches with the outer surface of lower outside construction section 23, between the outer surface of pressure cone 8 and the inner surface of lower interior construction section 33, the lower cone pad 10 be made up of rubber is installed, the inner surface of lower cone pad 10 and the exterior surface of pressure cone 8, the outer surface of lower cone pad 10 contacts with the inner surface of lower interior construction section 33.
Pressure cone 8 is connected by connector with the upper outside construction section 21 of core retainer plate 2.In the present embodiment, connector is hold-down bolt, wherein the upper outside construction section 21 of core retainer plate 2 is provided with at least one group of bolt hole with pressure cone 8 correspondence, in the bolt hole of upper outside construction section 21, install hold-down bolt 7, hold-down bolt 7 end fills with the bolt hole spiral shell of pressure cone 8, thus is connected with core retainer plate 2 by pressure cone 8.For reducing the convenience that pressure cone 8 is connected with core retainer plate 2, the radius of the outer surface of outer linkage section 22 is less than the minimum range between hold-down bolt 7 outer surface and shaft of grinding roller 1 axis, make to form a cavity between outer linkage section 22 and interior linkage section 32, hold-down bolt 7 is directly connected with pressure cone 8 through cavity, and this kind of structure also can reduce manufacturing cost of the present utility model.
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.
The utility model grinding roller is divided into core retainer plate 2 and roller shell 3, and roller shell 3 thickness of grinding roller is reduced, and decrease the use of high-abrasive material, dead meal diminishes, and provides cost savings.Roller shell 3 and core retainer plate 2 top are cone match, and the pressure cone 8 that bottom is the conical surface by its outer surface compresses, and pressure cone 8 is connected with core retainer plate 2 by hold-down bolt 7, thus make roller shell 3 and core retainer plate 2 swelling mutually, improve the tightness that both connect, and this kind of syndeton, structure is simple, easy accessibility.The epicone pad 9 and lower cone pad 10 be made up of rubber are set at roller shell 3 and core retainer plate 2 contact position, the processing dimension of core retainer plate 2 outer surface and roller shell 3 inner surface and requirement on machining accuracy are reduced greatly, reduce the difficulty of processing of the conical surface, and because rubber has high resiliency, after hold-down bolt 7 is tightened, its pretightning force keeps high value under the effect of cone pad always, ensure that hold-down bolt 7 not easily loosens, and then ensure the fastness that core retainer plate 2 is connected with roller shell 3.Below 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 (6)
1. the grinding roller of a raymond mill, 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 described grinding roller comprises the core retainer plate (2) be arranged on shaft of grinding roller (1) and the roller shell (3) be arranged on core retainer plate (2), described core retainer plate (2) comprises upper outside construction section (21) from top to bottom successively, outer linkage section (22) and lower outside construction section (23), the external diameter of described upper outside construction section (21) from top to bottom reduces gradually, the external diameter of described outer linkage section (22) and the external diameter of lower outside construction section (23) are all less than the minimum outer diameter of upper outside construction section (21), described roller shell (3) is divided into interior construction section (31) from top to bottom successively, interior linkage section (32) and lower interior construction section (33), the internal diameter of described interior construction section (31) from top to bottom reduces gradually and is provided with epicone pad (9) between the outer surface of the upper outside construction section (21) of its inner surface and core retainer plate (2), the internal diameter of described lower interior construction section (33) from top to bottom increases gradually, in gap between the lower interior construction section (33) of described roller shell (3) and the lower outside construction section (23) of core retainer plate (2), the pressure be fitted with in the form of a ring is bored (8), described pressure cone (8) inner surface matches with the outer surface of lower outside construction section (23), between the outer surface of described pressure cone (8) and the inner surface of lower interior construction section (33), lower cone is installed to pad (10), described pressure cone (8) is connected by connector with the upper outside construction section (21) of core retainer plate (2).
2. the grinding roller of raymond mill according to claim 1, is characterized in that described epicone pad (9) and lower cone pad (10) are rubber blanket.
3. the grinding roller of raymond mill according to claim 1, it is characterized in that described outer linkage section (22) and lower outside construction section (23) are all in cylindric, the external diameter of described lower outside construction section (23) is less than the external diameter of outer linkage section (22).
4. the grinding roller of raymond mill according to claim 1, it is characterized in that the internal diameter of described interior linkage section (32) arbitrary cross section is equal, the minimum diameter of described interior construction section (31), the minimum diameter of lower interior construction section (33) are equal with the internal diameter of interior linkage section (32).
5. the grinding roller of raymond mill according to claim 1, it is characterized in that upper outside construction section (21) and pressure cone (8) correspondence of described core retainer plate (2) are provided with at least one group of bolt hole, install hold-down bolt (7) in described bolt hole and pressure cone is connected with core retainer plate (2); The radius of the outer surface of described outer linkage section (22) is less than the minimum range between hold-down bolt (7) outer surface and shaft of grinding roller (1) axis.
6. the grinding roller of raymond mill according to any one of claim 1 to 5, is characterized in that the camber line that the lateral profiles line (34) of its outside portion in the longitudinal section of described roller shell (3) is evagination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625782.8U CN204866003U (en) | 2015-08-19 | 2015-08-19 | Grinding roller of lei meng milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625782.8U CN204866003U (en) | 2015-08-19 | 2015-08-19 | Grinding roller of lei meng milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN204866003U true CN204866003U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625782.8U Active CN204866003U (en) | 2015-08-19 | 2015-08-19 | Grinding roller of lei meng milling machine |
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| Country | Link |
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| CN (1) | CN204866003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110813433A (en) * | 2019-10-31 | 2020-02-21 | 上海电气上重碾磨特装设备有限公司 | Grinding roller sleeve and manufacturing method thereof |
-
2015
- 2015-08-19 CN CN201520625782.8U patent/CN204866003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110813433A (en) * | 2019-10-31 | 2020-02-21 | 上海电气上重碾磨特装设备有限公司 | Grinding roller sleeve and manufacturing method thereof |
| CN110813433B (en) * | 2019-10-31 | 2021-03-23 | 上海电气上重碾磨特装设备有限公司 | Grinding roller sleeve and manufacturing method thereof |
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