CN220294939U - Connection structure of outer rotary drum cone section and straight section of centrifuge - Google Patents
Connection structure of outer rotary drum cone section and straight section of centrifuge Download PDFInfo
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- CN220294939U CN220294939U CN202321822719.4U CN202321822719U CN220294939U CN 220294939 U CN220294939 U CN 220294939U CN 202321822719 U CN202321822719 U CN 202321822719U CN 220294939 U CN220294939 U CN 220294939U
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- 230000001154 acute effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the field of manufacturing of outer rotary drums of centrifuges, in particular to a connecting structure of a conical section and a straight section of an outer rotary drum of a centrifuger, which comprises a straight section and a conical section of the rotary drum, wherein a stepped groove is formed in the edge of an inner hole at one end of the straight section of the rotary drum, which is connected with the conical section of the rotary drum, the diameter of the stepped groove is larger than that of the inner hole of the straight section of the rotary drum, and a plurality of straight section screw holes are uniformly distributed at the end part of the straight section of the rotary drum at the periphery of the stepped groove; the large end of the rotary drum cone section is integrally provided with an inserting boss, the inserting boss is inserted and arranged in the stepped groove, the large end of the rotary drum cone section on one side of the inserting boss is provided with cone section screw holes, and the cone section screw holes and the straight section screw holes are in one-to-one correspondence to realize detachable fixation; the connecting structure can effectively reduce the height of the flange at the connecting part, the processing amount of the part blank centrifugally cast and the original flange part is greatly reduced, and meanwhile, the processing time of a single part is effectively shortened, and finally, the aim of reducing the production cost of the part is achieved.
Description
Technical Field
The utility model relates to the field of manufacturing of outer drums of centrifuges, in particular to a connecting structure of conical sections and straight sections of an outer drum of a centrifuges.
Background
The horizontal spiral centrifugal machine is a solid-liquid separation device commonly used in the industrial field, and the principle is that solid particles in suspension are trapped in a rotary drum by utilizing centrifugal force generated by the rotary drum rotating at high speed and are automatically discharged outside the machine under the action of force; simultaneously, under the action of centrifugal force, the liquid in the suspension is thrown out through the filter medium and the small holes of the rotary drum, thereby achieving the purpose of liquid-solid separation and filtration.
The outer rotary drum of the centrifugal machine of the horizontal spiral centrifugal machine is connected with the outer rotary drum cone section through the flange bolt through hole, in order to ensure the strength of the connecting position, the specification of the bolt is required, the height of the flange is higher, and as the centrifugal casting is integral casting, the flange is higher, the blank processing amount is larger, and the production cost is high. Therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.
Disclosure of Invention
The utility model aims to overcome the defects described in the background art, thereby realizing a connecting structure of the cone section and the straight section of the outer drum of the centrifugal machine, which can effectively reduce the height of the flange at the connecting part, even cancel the connecting flange, centrifugally cast the part blank, greatly reduce the processing amount of the original flange part, effectively shorten the processing time of a single part and finally achieve the aim of reducing the production cost of the part.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the connecting structure comprises a drum straight section and a drum cone section, wherein the large end of the drum cone section is detachably and fixedly connected with the end part of the drum straight section, a stepped groove is formed in the edge of an inner hole at one end of the drum straight section, which is connected with the drum cone section, the diameter of the stepped groove is larger than that of the inner hole of the drum straight section, and a plurality of straight section screw holes are uniformly distributed at the end part of the drum straight section at the periphery of the stepped groove; the rotary drum taper segment comprises a rotary drum taper segment, wherein a splicing boss is integrally arranged at the large end of the rotary drum taper segment, the outer diameter of the splicing boss is matched with the diameter of the stepped groove, the splicing boss is spliced in the stepped groove, taper segment screw holes are formed in the large end of the rotary drum taper segment on one side of the splicing boss, and the taper segment screw holes and the straight segment screw holes are in one-to-one correspondence and are detachably fixed through fixing bolts matched in the taper segment screw holes and the straight segment screw holes.
In the connecting structure of the outer rotary drum cone section and the straight section of the centrifugal machine, one end of the rotary drum straight section connected with the rotary drum cone section is integrally provided with a straight section convex ring, and the diameter of the straight section convex ring is larger than the outer diameter of the rotary drum straight section; the straight section screw hole is formed in the end face of the straight section convex ring.
In the connection structure of the outer rotary drum cone section and the straight section of the centrifugal machine, the large end of the rotary drum cone section is integrally provided with a cone section convex ring, the outer diameter of the cone section convex ring is matched with the outer diameter of the straight section convex ring, and the cone section screw hole is communicated with and arranged on the cone section convex ring.
In the connection structure of the outer drum cone section and the straight section of the centrifugal machine, the outer edge of the section of the stepped groove of the straight section of the drum is parallel to the central axis of the straight section of the drum, and correspondingly, the outer edge of the section of the inserting boss of the drum cone section is parallel to the central axis of the drum cone section.
In the connection structure of the outer rotary drum cone section and the straight section of the centrifugal machine, the outer edge of the section of the stepped groove of the straight section of the rotary drum and the central axis of the straight section of the rotary drum are arranged in an inclined manner at an acute angle, correspondingly, the outer edge of the section of the plug-in boss of the rotary drum cone section and the central axis of the rotary drum cone section are arranged in an inclined manner at an acute angle, and the included angle between the outer edge of the section of the stepped groove and the central axis of the straight section of the rotary drum and the included angle between the outer edge of the section of the plug-in boss and the central axis of the rotary drum cone section are equal in degree.
The connecting structure of the conical section and the straight section of the outer rotary drum of the centrifugal machine has the beneficial effects that:
the connecting structure of the outer drum cone section and the straight section of the centrifugal machine can effectively reduce the height of the flange at the connecting position, and even when the wall thickness of the part is large, the connecting flange can be omitted, so that the processing amount of the original flange part of the centrifugally cast part blank is greatly reduced, the processing time of a single part can be effectively shortened, and the aim of reducing the production cost of the part is finally achieved.
Drawings
FIG. 1 is a schematic diagram of the connection structure of the cone and straight segments of the outer bowl of a centrifuge of the prior art;
FIG. 2 is one of the structural schematic diagrams of the connection structure of the cone section and the straight section of the outer drum of the centrifuge according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a second schematic structural view of the connecting structure of the cone section and the straight section of the outer drum of the centrifuge according to the present utility model.
Fig. 5 is an enlarged schematic view of the structure of B in fig. 4.
In the figure: the device comprises a 1-straight section of a rotary drum, a 2-conical section of the rotary drum, a 3-stepped groove, a 4-straight section screw hole, a 5-conical section screw hole, a 6-straight section convex ring, a 7-conical section convex ring and an 8-splicing boss.
Detailed Description
The connection structure of the cone section and the straight section of the outer drum of the centrifuge according to the present utility model will be described in more detail with reference to the accompanying drawings and by means of specific embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 2-3, the connection structure of the conical section and the straight section of the outer drum of the centrifuge in this embodiment can effectively reduce the height of the flange at the connection position, even can cancel the flange, the processing amount of the original flange position of the part blank cast by centrifugation is greatly reduced, and meanwhile, the processing time of a single part is effectively shortened, and finally, the purpose of reducing the production cost of the part is achieved. The rotary drum mainly comprises a rotary drum straight section and a rotary drum cone section, wherein the large end of the rotary drum cone section is detachably and fixedly connected with the end part of the rotary drum straight section, a stepped groove is formed in the edge of an inner hole at one end of the rotary drum straight section, which is connected with the rotary drum cone section, the diameter of the stepped groove is larger than that of the inner hole of the rotary drum straight section, and a plurality of straight section screw holes are uniformly distributed at the end part of the rotary drum straight section at the periphery of the stepped groove; the rotary drum taper segment comprises a rotary drum taper segment, wherein a splicing boss is integrally arranged at the large end of the rotary drum taper segment, the outer diameter of the splicing boss is matched with the diameter of the stepped groove, the splicing boss is spliced in the stepped groove, taper segment screw holes are formed in the large end of the rotary drum taper segment on one side of the splicing boss, and the taper segment screw holes and the straight segment screw holes are in one-to-one correspondence and are detachably fixed through fixing bolts matched in the taper segment screw holes and the straight segment screw holes.
In this embodiment, referring to fig. 3, one end of the straight section of the drum, which is connected to the cone section of the drum, is integrally provided with a straight section convex ring, and the diameter of the straight section convex ring is larger than the outer diameter of the straight section of the drum; the straight section screw hole is formed in the end face of the straight section convex ring. The straight section screw hole adopts a counter bore form, so that the height of the flange at the connecting part can be effectively reduced. The rotary drum cone section large end is integrally provided with a cone section convex ring, the outer diameter of the cone section convex ring is matched with the outer diameter of the straight section convex ring, and the cone section screw hole is communicated and arranged on the cone section convex ring, and the cone section screw hole adopts a through hole, so that a fastening bolt passes through and is matched with the straight section screw hole.
Referring to fig. 3, in this embodiment, as an implementation manner, the outer edge of the section of the stepped groove of the straight section of the drum is parallel to the central axis of the straight section of the drum, and correspondingly, the outer edge of the section of the insertion boss of the tapered section of the drum is parallel to the central axis of the tapered section of the drum. The rotary drum is of a conventional matching structure, and the stepped groove of the straight section of the rotary drum and the splicing boss of the conical section of the rotary drum are of cylindrical structures.
Example 2: the same points as those of embodiment 1 are not described in detail, except that:
in order to realize automatic centering grafting of the ladder groove of the straight section of the rotary drum and the grafting boss of the conical section of the rotary drum, see fig. 4 and 5, the outer edge of the section of the ladder groove of the straight section of the rotary drum and the central axis of the straight section of the rotary drum are arranged in an acute angle in an inclined manner, correspondingly, the outer edge of the section of the grafting boss of the conical section of the rotary drum and the central axis of the conical section of the rotary drum are arranged in an acute angle in an inclined manner, and the included angle between the outer edge of the section of the ladder groove and the central axis of the straight section of the rotary drum and the included angle between the outer edge of the section of the grafting boss and the central axis of the conical section of the rotary drum are equal in degree. The structure design is adopted, so that the plugging boss can be guided in plugging, and the structure is automatically centered, so that the plugging and matching are more convenient and quicker.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The use of the terms "a" or "an" and the like in the description and in the claims do not necessarily imply a limitation on the amount. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.
Claims (5)
1. The utility model provides a connection structure of outer rotary drum cone section of centrifuge and straight section, includes rotary drum straight section and rotary drum cone section, the big end of rotary drum cone section with the fixed connection can be dismantled to the tip of rotary drum straight section, its characterized in that: the inner hole edge of one end of the straight section of the rotary drum, which is connected with the conical section of the rotary drum, is provided with a stepped groove, the diameter of the stepped groove is larger than that of the inner hole of the straight section of the rotary drum, and a plurality of straight section screw holes are uniformly distributed at the end part of the straight section of the rotary drum at the periphery of the stepped groove; the rotary drum taper segment comprises a rotary drum taper segment, wherein a splicing boss is integrally arranged at the large end of the rotary drum taper segment, the outer diameter of the splicing boss is matched with the diameter of the stepped groove, the splicing boss is spliced in the stepped groove, taper segment screw holes are formed in the large end of the rotary drum taper segment on one side of the splicing boss, and the taper segment screw holes and the straight segment screw holes are in one-to-one correspondence and are detachably fixed through fixing bolts matched in the taper segment screw holes and the straight segment screw holes.
2. The connection structure of the cone section and the straight section of the outer drum of the centrifugal machine according to claim 1, wherein: one end of the straight section of the rotary drum, which is connected with the conical section of the rotary drum, is integrally provided with a straight section convex ring, and the diameter of the straight section convex ring is larger than the outer diameter of the straight section of the rotary drum; the straight section screw hole is formed in the end face of the straight section convex ring.
3. The connection structure of the cone section and the straight section of the outer drum of the centrifugal machine according to claim 2, wherein: the rotary drum cone section large end is integrally provided with a cone section convex ring, the outer diameter of the cone section convex ring is matched with the outer diameter of the straight section convex ring, and the cone section screw hole is communicated and arranged on the cone section convex ring.
4. The connection structure of the cone section and the straight section of the outer drum of the centrifugal machine according to claim 1, wherein: the outer edge of the section of the stepped groove of the straight section of the rotary drum is parallel to the central axis of the straight section of the rotary drum, and correspondingly, the outer edge of the section of the inserting boss of the conical section of the rotary drum is parallel to the central axis of the conical section of the rotary drum.
5. The connection structure of the cone section and the straight section of the outer drum of the centrifugal machine according to claim 1, wherein: the outer edge of the section of the stepped groove of the straight section of the rotary drum is obliquely arranged at an acute angle with the central axis of the straight section of the rotary drum, correspondingly, the outer edge of the section of the plug-in boss of the conical section of the rotary drum is obliquely arranged at an acute angle with the central axis of the conical section of the rotary drum, and the included angle between the outer edge of the section of the stepped groove and the central axis of the straight section of the rotary drum and the included angle between the outer edge of the section of the plug-in boss and the central axis of the conical section of the rotary drum are equal in degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822719.4U CN220294939U (en) | 2023-07-12 | 2023-07-12 | Connection structure of outer rotary drum cone section and straight section of centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822719.4U CN220294939U (en) | 2023-07-12 | 2023-07-12 | Connection structure of outer rotary drum cone section and straight section of centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294939U true CN220294939U (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321822719.4U Active CN220294939U (en) | 2023-07-12 | 2023-07-12 | Connection structure of outer rotary drum cone section and straight section of centrifuge |
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| Country | Link |
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| CN (1) | CN220294939U (en) |
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2023
- 2023-07-12 CN CN202321822719.4U patent/CN220294939U/en active Active
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