CN211072661U - Tool for integrally processing end cover shaft neck of high-speed centrifuge - Google Patents
Tool for integrally processing end cover shaft neck of high-speed centrifuge Download PDFInfo
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- CN211072661U CN211072661U CN201921535969.3U CN201921535969U CN211072661U CN 211072661 U CN211072661 U CN 211072661U CN 201921535969 U CN201921535969 U CN 201921535969U CN 211072661 U CN211072661 U CN 211072661U
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Abstract
The utility model belongs to the technical field of machining frock clamp, concretely relates to a frock that is used for high-speed centrifuge end cover axle journal to wholly process. The tool for integrally processing the end cover shaft neck of the high-speed centrifuge comprises a large end cover shaft neck processing tool and a small end cover shaft neck processing tool; the large end cover shaft neck processing tool comprises a clamping part, a matching part and a tail part from left to right in sequence; the clamping part is a cylindrical part, the matching part is a circular truncated cone part, and the tail part is a cylindrical part; two ends of the large end cover journal processing tool are provided with central thimble holes; the structural shape of the small end cover journal processing tool is the same as that of the large end cover journal processing tool. When the large end cover, the small end cover and the rotary drum are combined and then clamped at one time, the turning processing of the bearing retainer on the journal of the large end cover and the journal of the small end cover is completed, the concentricity and the coaxiality requirements required by the bearing retainer of the mounting bearing of the journal of the large end cover and the journal of the small end cover are ensured, and the processing precision is improved.
Description
Technical Field
The utility model belongs to the technical field of machining frock clamp, concretely relates to a frock that is used for high speed centrifuge end cover axle journal to wholly process especially relates to a frock that horizontal spiral unloaded high speed centrifuge's end cover axle journal whole lathe processed.
Background
The drum of the horizontal spiral discharge centrifuge consists of a cylindrical drum and a conical drum, the two ends of the drum are respectively provided with a large end cover and a small end cover, and the large end cover and the small end cover are respectively arranged on the frame through bearings, so that the rotation of the drum of the centrifuge is realized. The working rotating speed of the rotary drum is higher in the working of the centrifuge, generally more than 3000 r/min, so that the processing precision of the rotary drum and the end cover has strict requirements, and for a high-speed centrifuge, the working rotating speed of the rotary drum usually reaches more than 4000 r/min, and the shaft necks of the large end cover and the small end cover for mounting the bearings are required to have higher concentricity and coaxiality. At present, a large end cover and a small end cover are respectively processed by a manufacturing plant, and are assembled with a rotary drum after being processed, and then a bearing is installed, so that the required concentricity and coaxiality are difficult to ensure, the high-speed rotation of the rotary drum can generate jumping and vibration, and the service life of the centrifugal machine is shortened.
Chinese patent document (publication No. CN 104339189B) discloses a processing auxiliary tool for a rotary drum of a horizontal spiral discharge centrifuge, which comprises a central shaft, a first fixing ring and a second fixing ring, wherein the first fixing ring and the second fixing ring are respectively fixed at two ends of the central shaft, and at least three radial screw holes are respectively fixed on the first fixing ring and the second fixing ring; the number of the long supporting rods is matched with that of the radial screw holes in the first fixing ring, one end of each long supporting rod is provided with a threaded section which is used for being installed in the radial screw holes in the first fixing ring, and the other end of each long supporting rod is used for supporting the inner hole wall of the large-diameter end of the rotary drum; and the number of the short supporting rods is matched with that of the radial screw holes in the second fixing ring, one end of each short supporting rod is provided with a thread section which is used for being installed in the radial screw holes in the second fixing ring, and the other end of each short supporting rod is used for supporting the inner hole wall of the small-diameter end of the rotary drum. The auxiliary tool is only used for processing the rotary drum and cannot solve the problems of a large end cover and a small end cover.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the tool for integrally processing the end cover shaft neck of the high-speed centrifuge can be used for respectively processing the shaft neck of the large end cover and the shaft neck of the small end cover after the rotary drum, the large end cover and the small end cover are combined and clamped on a lathe once, so that errors caused by secondary clamping are reduced, and the processing precision is improved.
The utility model provides a technical scheme that its technical problem adopted as follows: a tool for integrally processing an end cover shaft neck of a high-speed centrifuge comprises a large end cover shaft neck processing tool and a small end cover shaft neck processing tool; the large end cover shaft neck processing tool sequentially comprises a clamping part, a matching part and a tail part from left to right.
The structure shape of the small end cover journal processing tool is the same as that of the large end cover journal processing tool, and the size of the small end cover journal processing tool is the same as or different from that of the large end cover journal processing tool.
Furthermore, the clamping part is a cylindrical part, the matching part is a circular truncated cone part, the tail part is a cylindrical part, and the axial leads of the clamping part, the matching part and the tail part are overlapped and connected into a whole.
And central thimble holes are formed at two ends of the large end cover journal processing tool.
Furthermore, one end of the circular truncated cone-shaped matching portion, which is connected with the clamping portion, is a large end of the matching portion, and one end of the matching portion, which is connected with the tail portion, is a small end of the matching portion.
The taper of the mating portion is 1:15 to 1:25, preferably 1: 20.
Further, the diameter D1 of the clamping part is consistent with the diameter of the tail part, and the diameter D1 of the clamping part is smaller than the diameter D2 of the small end of the matching part.
The utility model discloses a use method that is used for whole frock of processing of high-speed centrifuge end cover axle journal:
step 1: and processing a large end cover process hole and a small end cover process hole matched with the matching parts at the shaft hole part of the large end cover and the shaft hole part of the small end cover according to the shape and the size of the matching part of the large end cover journal processing tool.
Step 2: and combining the large end cover, the small end cover and the rotary drum according to the using state.
And step 3: and installing the large end cover journal machining tool into the large end cover process hole and tightly pushing the large end cover journal machining tool, and installing the small end cover journal machining tool into the small end cover process hole and tightly pushing the small end cover journal machining tool.
And (3) combining the large end cover journal processing tool, the small end cover journal processing tool, the large end cover, the small end cover and the rotary drum into a combined piece.
And 4, step 4: and (3) mounting the combined part obtained in the steps 1 to 3 to a lathe, respectively tightly supporting a center thimble hole of a clamping part of the large end cover journal processing tool and the small end cover journal processing tool by a thimble of a lathe head and a thimble of a tailstock, and respectively turning bearing stops on the large end cover journal and the small end cover journal by driving the combined part to rotate by a lathe spindle through a heart clamp.
The utility model has the advantages that: a tool for integrally processing an end cover journal of a high-speed centrifuge is characterized in that a large end cover, a small end cover and a rotary drum are combined and then clamped for one time, errors caused by secondary clamping are reduced, turning processing of bearing stops on the large end cover journal and the small end cover journal is completed, the concentricity and coaxiality requirements required by the bearing stops of mounting bearings of the large end cover journal and the small end cover journal are met, and processing precision is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a tool for integrally processing an end cap shaft neck of a high-speed centrifuge, which is combined with a large end cap, a small end cap and a rotary drum in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the large end cover journal machining tool in fig. 1.
Fig. 3 is a schematic structural view of the small-end tool in fig. 2.
The reference numbers in the above figures are as follows:
1 is big end cover axle journal processing frock, 11 is clamping portion, 111 is central thimble hole, 12 is the cooperation portion, 121 is the big end of cooperation portion, 122 is the cooperation portion tip, 13 is the afterbody, 2 is little end cover axle journal processing frock, 3 is big end cover, 31 is big end cover axle hole portion, 32 is big end cover fabrication hole, 33 is first bearing shelves, 4 is the tip cover, 41 is tip cover axle hole portion, 42 is little end cover fabrication hole, 43 is the second bearing shelves, 5 is the rotary drum.
D1 is the diameter of the clamping part, D2 is the diameter of the small end of the matching part.
The left and right directional diagrams 2 described in the specification are the same as each other in the left and right directions.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
referring to fig. 1 to 3, the machining tool comprises a large end cover journal machining tool 1 and a small end cover journal machining tool 2; the large end cover journal processing tool 1 sequentially comprises a clamping part 11, a matching part 12 and a tail part 13 from left to right; the clamping part 11 is a cylindrical part, the matching part 12 is a circular truncated cone part, the tail part 13 is a cylindrical part, and the axial leads of the clamping part 11, the matching part 12 and the tail part 13 are superposed and connected into a whole; two ends of the large end cover journal processing tool 1 are provided with central thimble holes 111; one end of the circular truncated cone-shaped matching part 12 connected with the clamping part 11 is a matching part large end 121, and one end of the matching part 12 connected with the tail part 13 is a matching part small end 122; the taper of the mating portion 12 is 1: 20.
Wherein the diameter D1 of the clamping part 11 is consistent with the diameter of the tail part 13, and D1 is 60 mm; the diameter D1 of the clamping portion 11 is smaller than the diameter D2 of the mating portion small end 122, D2 is 68 mm.
The structure shape of the small end cover journal processing tool 2 is the same as that of the large end cover journal processing tool 1, the size of the small end cover journal processing tool 2 is the same as or different from that of the large end cover journal processing tool 1 according to the size of the large end cover and the small end cover at two ends of the centrifuge drum.
Application example:
the method for processing the end cap journal by applying the embodiment is as follows:
step 1: and machining a large end cover process hole 32 and a small end cover process hole 42 matched with the matching part 12 on the shaft hole part 31 of the large end cover 3 and the shaft hole part 41 of the small end cover 4 according to the shape and the size of the matching part 12 of the large end cover journal machining tool 1.
Step 2: the large end cover 3, the small end cover 4 and the rotary drum 5 are combined according to the using state.
And step 3: and (3) installing the large end cover journal processing tool 1 into the large end cover fabrication hole 32 and tightly pushing the large end cover journal processing tool, and installing the small end cover journal processing tool 2 into the small end cover fabrication hole 42 and tightly pushing the small end cover journal processing tool.
And (3) combining the large end cover journal processing tool 1, the small end cover journal processing tool 2, the large end cover 3, the small end cover 4 and the rotary drum 5 into an assembly.
And 4, step 4: and (3) mounting the combined part obtained in the steps 1 to 3 to a lathe, respectively tightly supporting a centre thimble hole 111 of the clamping part of the large end cover journal processing tool 1 and the small end cover journal processing tool 2 by a thimble of a lathe head and a thimble of a tailstock, driving the combined part to rotate by a lathe spindle through a heart clamp, turning a first bearing stop 33 on the journal of the large end cover 3, and then turning a second bearing stop 43 on the journal of the small end cover 4.
Example 2
Referring to fig. 1-3, a large end cover journal processing tool 1 and a small end cover journal processing tool 2 are shown; on the basis of the same structure as the embodiment 1, the taper of the matching part 12 is 1: 25.
Example 3
Referring to fig. 1-3, a large end cover journal processing tool 1 and a small end cover journal processing tool 2 are shown; on the basis of the same structure as the embodiment 1, the taper of the matching part 12 is 1: 15.
In the above examples and application examples, the processed centrifuge was a 420-centrifuge.
In light of the foregoing description of the preferred embodiments of the present invention, those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a frock that is used for high-speed centrifuge end cover axle journal to wholly process which characterized in that: the device comprises a large end cover journal processing tool (1) and a small end cover journal processing tool (2); the large end cover journal machining tool (1) sequentially comprises a clamping part (11), a matching part (12) and a tail part (13) from left to right.
2. The tooling for the integral machining of the end cover journal of the high-speed centrifuge according to claim 1, wherein: the clamping part (11) is a cylindrical part, the matching part (12) is a circular truncated cone part, the tail part (13) is a cylindrical part, and the axial leads of the clamping part (11), the matching part (12) and the tail part (13) are superposed and connected into a whole;
two ends of the large end cover journal processing tool (1) are provided with central thimble holes (111).
3. The tooling for the integral machining of the end cover journal of the high-speed centrifuge according to claim 2, wherein: one end of the matching part (12) connected with the clamping part (11) is a matching part large end (121), and one end of the matching part (12) connected with the tail part (13) is a matching part small end (122);
the taper of the matching part (12) is 1:15 to 1: 25.
4. The tooling for the integral machining of the end cover journal of the high-speed centrifuge according to claim 1, wherein: the diameter D1 of the clamping part (11) is consistent with that of the tail part (13), and the diameter D1 of the clamping part (11) is smaller than the diameter D2 of the small end (122) of the matching part.
5. The tooling for the integral machining of the end cover journal of the high-speed centrifuge according to claim 1, wherein: the structure shape of the small end cover journal processing tool (2) is the same as that of the large end cover journal processing tool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535969.3U CN211072661U (en) | 2019-09-16 | 2019-09-16 | Tool for integrally processing end cover shaft neck of high-speed centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535969.3U CN211072661U (en) | 2019-09-16 | 2019-09-16 | Tool for integrally processing end cover shaft neck of high-speed centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211072661U true CN211072661U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921535969.3U Active CN211072661U (en) | 2019-09-16 | 2019-09-16 | Tool for integrally processing end cover shaft neck of high-speed centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211072661U (en) |
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2019
- 2019-09-16 CN CN201921535969.3U patent/CN211072661U/en active Active
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