CN210789239U - Tool for integral processing of rotary drum - Google Patents
Tool for integral processing of rotary drum Download PDFInfo
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- CN210789239U CN210789239U CN201921528078.5U CN201921528078U CN210789239U CN 210789239 U CN210789239 U CN 210789239U CN 201921528078 U CN201921528078 U CN 201921528078U CN 210789239 U CN210789239 U CN 210789239U
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Abstract
The utility model belongs to the technical field of a machining tool fixture, in particular to a tool for integral processing of a rotary drum, which comprises a big end tool matched with a cylindrical rotary drum and a small end tool matched with a conical rotary drum; the large-end tool comprises a large-end cylinder, a large-end disc and a large-end reinforcing rib; the small-end tool comprises a small-end cylinder, a small-end disc and a small-end reinforcing rib. In the integral processing of the rotary drum, the cylindrical rotary drum and the conical rotary drum are combined and then clamped for one time, so that the turning processing of the end surface of the rotary drum, the end surface of the conical rotary drum, the inner side cylindrical surface of the end part of the cylindrical rotary drum and the inner side cylindrical surface of the end part of the conical rotary drum is completed, the parallelism of the end surfaces of two ends of the rotary drum and the coaxiality of the mounting matching surfaces of the rotary drum and the large end cover and the small end.
Description
Technical Field
The utility model belongs to the technical field of machining frock clamp, a frock that is used for the whole processing of rotary drum is related to, especially, relate to a frock of horizontal spiral discharge centrifuge's whole lathe processing of rotary drum.
Background
The drum of the horizontal spiral discharge centrifuge consists of a cylindrical drum and a conical drum, and the working rotating speed of the drum is higher in the operation of the centrifuge, generally more than 3000 revolutions per minute, so that the processing precision of the drum has strict requirements, and the requirements on the parallelism of the end faces of the drum and the coaxiality of the mounting matching faces of the drum and the large and small end covers are very high.
At present, in the manufacturing of a centrifugal machine, a cylindrical rotary drum and a conical rotary drum are respectively processed and finished, and due to the fact that the cylindrical rotary drum and the conical rotary drum are clamped twice, the parallelism of the end faces of the rotary drums after being combined together and the coaxiality of mounting matching faces of the rotary drums and large and small end covers are difficult to meet requirements, the rotary drum can generate jumping and vibration when rotating at a high speed, and the service life of the centrifugal machine is shortened.
Chinese patent document (publication No. CN 202702081U) discloses a tool for integral processing of straight-section rotary drums, which uses a long shaft, two ends of the long shaft are provided with discs and keys, and the long shaft is provided with a distance for welding the discs at two ends of a fixed shaft by a baffle ring, and the discs are locked at two ends of the long shaft by a lock nut, and an adjusting block is moved along the axial direction by an adjusting screw, so as to push a supporting block to move and extend along the inclined plane of the adjusting block in the radial direction, so that the cambered surface arranged on the large end surface of the supporting block in the shape of T is attached to the inner wall of the straight-section rotary drum, thereby playing a supporting role, and locking screws arranged. This patent technology the frock guaranteed the concentricity of straight section rotary drum, strengthened the rigidity of rotary drum, avoided the concentricity deviation problem that the straight section rotary drum of segmentation processing exists. However, the tool in the patent technology is only used for processing the cylindrical drum, and does not solve the problem of processing precision after the cylindrical drum and the conical drum are combined.
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 has the problems that the axial positioning of the auxiliary tool and the rotary drum is unreliable, and the stability of the long support rod and the short support rod is not enough.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the tool for integrally processing the rotary drum is provided, the end faces at two ends of the rotary drum and the mounting matching surfaces of the rotary drum and the large end cover can be clamped and processed on a lathe once after the cylindrical rotary drum and the conical rotary drum are combined, 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 integral processing of a rotary drum comprises a large-end tool matched with a cylindrical rotary drum and a small-end tool matched with a conical rotary drum; the large-end tool comprises a large-end cylinder, a large-end disc and large-end reinforcing ribs, the large-end cylinder is connected with the large-end disc, and the large-end reinforcing ribs fix the large-end cylinder and the large-end disc; the small-end tool comprises a small-end cylinder, a small-end disc and small-end reinforcing ribs, the small-end cylinder is connected with the small-end disc, and the small-end cylinder and the small-end disc are fixed by the small-end reinforcing ribs. The tooling for integrally processing the rotary drum combines the large-end tooling, the small-end tooling, the cylindrical rotary drum and the conical rotary drum and then clamps the large-end tooling, the small-end tooling and the cylindrical rotary drum and the conical rotary drum at one time, so that errors caused by secondary clamping can be reduced, and the processing precision is improved.
Further, the axial leads of a large-end cylinder and a large-end disc of the large-end tool are superposed and connected into a whole; the axial leads of the small-end cylinder and the small-end disc of the small-end tool are overlapped and connected into a whole. The arrangement ensures the parallelism of the end surfaces at the two ends of the rotary drum and the coaxiality of the mounting matching surfaces of the rotary drum and the large end cover and the small end cover.
Furthermore, a large-end central thimble hole is formed in one end, which is not connected with the large-end disc, of the large-end cylinder of the large-end tool; the large-end disc of the large-end tool is provided with 3 to 6 weight-reducing through holes which are uniformly distributed on the large-end disc; and a small end center thimble hole is formed in one end, which is not connected with the small end disc, of the small end cylinder of the small end tool. The weight reduction through holes are arranged, so that the quality of the whole machining tool of the rotary drum can be reduced, the stability of the tool in use is improved, and the machining precision is improved; on the other hand, the used material of the tool can be reduced, and the cost is saved.
Furthermore, the large-end reinforcing rib is a right-angle triangular plate, and two right-angle sides are respectively connected with the outer circular surface of the large-end cylinder and the end surface of the large-end disc into a whole; 3 to 6 large-end reinforcing ribs are uniformly distributed on the circumference along the outer circular surface of the large-end cylinder; the small-end reinforcing rib is a right-angle triangular plate, and two right-angle edges are respectively connected with the outer circular surface of the small-end cylinder and the end surface of the small-end disc into a whole; the number of the small-end reinforcing ribs is 3-6, and the reinforcing ribs are uniformly distributed on the circumference along the outer circular surface of the small-end cylinder. The big end strengthening rib and the tip strengthening rib are right triangle-shaped board, can guarantee the joint strength between big end cylinder and the disc of big end, tip cylinder and the tip disc to improve the complex stability between big end frock, the tip frock, improve the machining precision.
Furthermore, the cylindrical surface of the outer side of the large-end disc is in clearance fit with the cylindrical surface of the inner side of the end part of the cylindrical drum; the diameter D1 of the cylindrical surface outside the large end disc is 0.01-0.03mm, preferably 0.02mm, smaller than the diameter D2 of the cylindrical surface inside the end of the cylindrical drum; the width L1 of the cylindrical surface outside the large end disc is 1-3mm, preferably 2mm, less than the width L2 of the cylindrical surface inside the end of the cylindrical drum.
Furthermore, the cylindrical surface of the outer side of the small-end disc is in clearance fit with the cylindrical surface of the inner side of the end part of the conical rotary drum; the diameter D3 of the cylindrical surface outside the small end disc is 0.01-0.03mm, preferably 0.02mm smaller than the diameter D4 of the cylindrical surface inside the end of the conical drum; the width L3 of the cylindrical surface outside the small end disc is 1-3mm, preferably 2mm, less than the width L4 of the cylindrical surface inside the end of the conical drum.
The utility model discloses a use method:
step 1: combining the cylindrical drum and the conical drum according to the using state;
step 2: mounting the large-end tool on the cylindrical drum, inserting the cylindrical surface outside the large-end disc into the cylindrical surface inside the end part of the cylindrical drum, and tightly jacking;
and step 3: mounting the small-end tool on the conical rotary drum, inserting the cylindrical surface on the outer side of the small-end disc into the cylindrical surface on the inner side of the end part of the conical rotary drum, and tightly jacking;
combining the large-end tool, the cylindrical rotary drum, the conical rotary drum and the small-end tool into an assembly in the steps 1 to 3;
and 4, step 4: and (3) mounting the assembly obtained in the steps 1 to 3 to a lathe, respectively tightly supporting a large-end center thimble hole and a small-end center thimble hole by a thimble of a lathe head and a thimble of a tailstock, and respectively turning the end surface of the cylindrical drum, the end surface of the conical drum, the inner cylindrical surface of the end part of the cylindrical drum and the inner cylindrical surface of the end part of the conical drum by driving the assembly to rotate by a lathe spindle through a heart clamp.
The utility model has the advantages that: through the utility model discloses a frock for whole processing of rotary drum, with a clamping after cylinder rotary drum and the combination of circular cone rotary drum, accomplish the lathe work of the inboard face of cylinder of rotary drum terminal surface, circular cone rotary drum terminal surface, cylinder rotary drum tip and the inboard face of cylinder of circular cone rotary drum tip, guaranteed the depth of parallelism of the both ends terminal surface of rotary drum and the axiality of the installation fitting surface of rotary drum and big small end cover, improved the machining precision.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the tooling for the integral processing of the drum after being combined with the cylindrical drum and the conical drum;
FIG. 2 is a schematic structural view of the large-end tooling shown in FIG. 1;
FIG. 3 is a schematic structural view of the small-end tooling of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an enlarged view of portion B of FIG. 1;
FIG. 6 is a view in the direction M of FIG. 2;
FIG. 7 is an N-directional view of FIG. 3;
the reference numbers in the above figures are as follows:
1 is a large-end tool, 11 is a large-end cylinder, 111 is a large-end central thimble hole, 12 is a large-end disc, 121 is a cylindrical surface outside the large-end disc, 122 is a weight-reducing through hole, 13 is a large-end reinforcing rib, 2 is a small-end tool, 21 is a small-end cylinder, 211 is a small-end central thimble hole, 22 is a small-end disc, 221 is a cylindrical surface outside the small-end disc, 23 is a small-end reinforcing rib, 3 is a cylindrical drum, 31 is an inner side of an end part of the cylindrical drum, 32 is an end surface of the cylindrical drum, 4 is a conical drum, 41 is an inner side cylindrical surface of an end part of the conical drum, and 42 is an end surface of the;
d1 is the diameter of the face of cylinder outside the main aspects disc, D2 is the diameter of the inboard face of cylinder rotary drum tip, D3 is the diameter of the face of cylinder outside the small ends disc, D4 is the diameter of the inboard face of cylinder cone rotary drum tip, L1 is the width of the face of cylinder outside the main aspects disc, L2 is the width of the inboard face of cylinder rotary drum tip, L3 is the width of the face of cylinder outside the small ends disc, L4 is the width of the inboard face of cylinder of cone rotary drum tip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below 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 (b):
referring to fig. 1, the tooling for the integral processing of the rotary drum comprises a large-end tooling 1 connected with a cylindrical rotary drum 3 and a small-end tooling 2 connected with a conical rotary drum 4.
Referring to fig. 2 and 6, the large-end tool 1 comprises a large-end cylinder 11, a large-end disc 12 and a large-end reinforcing rib 13; the axial lines of a large-end cylinder 11 and a large-end disc 12 of the large-end tool 1 are superposed and connected into a whole; one end of the large-end cylinder 11 of the large-end tool 1, which is not connected with the large-end disc 12, is provided with a large-end central thimble hole 111; the big end disc 12 of the big end tool 1 is provided with 4 weight-reducing through holes 122, and the weight-reducing through holes 122 are uniformly distributed on the big end disc 12; the large-end reinforcing rib 13 is a right-angle triangular plate, and two right-angle edges are respectively connected with the outer circular surface of the large-end cylinder 11 and the end surface of the large-end disc 12 into a whole; the large-end reinforcing ribs 13 are 4 and are uniformly distributed on the circumference along the outer circular surface of the large-end cylinder 11.
Referring to fig. 2 and 4, the outer cylindrical surface 121 of the large end disc 12 is in clearance fit with the inner cylindrical surface 31 of the end of the cylindrical drum 3; the diameter D1 of the cylindrical surface 121 on the outside of the large end disc 12 is 0.02mm smaller than the diameter D2 of the inner cylindrical surface 31 at the end of the cylindrical drum 3; the width L1 of the cylindrical surface 121 on the outside of the large end disc 12 is 2mm smaller than the width L2 of the inner cylindrical surface 31 at the end of the cylindrical drum 3.
Referring to fig. 3 and 7, the small-end tool 2 includes a small-end cylinder 21, a small-end disc 22 and a small-end reinforcing rib 23; the axial lines of the small-end cylinder 21 and the small-end disc 22 of the small-end tool 2 are superposed and connected into a whole; a small end center thimble hole 211 is formed in one end, which is not connected with the small end disc 22, of the small end cylinder 21 of the small end tool 2; the small-end reinforcing rib 23 is a right-angle triangular plate, and two right-angle sides are respectively connected with the outer circular surface of the small-end cylinder 21 and the end surface of the small-end disc 22 into a whole; the number of the small-end reinforcing ribs 23 is 4, and the reinforcing ribs are uniformly distributed on the circumference along the outer circular surface of the small-end cylinder 21.
Referring to fig. 3 and 5, the cylindrical surface 221 of the small end disc 22 is in clearance fit with the inner cylindrical surface 41 of the end of the conical drum 4; the diameter D3 of the cylindrical surface 221 outside the small end disc 22 is 0.02mm smaller than the diameter D4 of the inner cylindrical surface 41 at the end of the conical drum 4; the width L3 of the outer cylindrical surface 221 of the small end disc 22 is 2mm smaller than the width L4 of the inner cylindrical surface 41 of the end of the conical drum 4.
Application example:
referring to fig. 1, the method for processing the rotating drum according to the above embodiment is as follows:
step 1: the cylindrical drum 3 and the conical drum 4 are combined in the use state.
Step 2: the big end tool 1 is arranged on the cylindrical rotary drum 3, and the cylindrical surface 121 on the outer side of the big end disc 12 is inserted into the cylindrical surface 31 on the inner side of the end part of the cylindrical rotary drum 3 and is tightly propped.
And step 3: the small-end tool 2 is arranged on the conical rotary drum 4, and the cylindrical surface 221 on the outer side of the small-end disc 22 is inserted into the cylindrical surface 41 on the inner side of the end part of the conical rotary drum 4 and is tightly propped.
And (3) combining the large-end tool 1, the cylindrical rotary drum 3, the conical rotary drum 4 and the small-end tool 2 into an assembly.
And 4, step 4: and (3) mounting the assembly obtained in the steps 1 to 3 to a lathe, respectively tightly supporting a large-end center thimble hole 111 and a small-end center thimble hole 211 by using a thimble of a lathe head and a thimble of a tailstock, driving the assembly to rotate by using a lathe spindle through a heart clamp, and respectively turning the end surface 32 of the cylindrical drum, the end surface 42 of the conical drum, the inner cylindrical surface 31 of the end part of the cylindrical drum 3 and the inner cylindrical surface 41 of the end part of the conical drum 4.
In the drum processing, the cylindrical drum 3 and the conical drum 4 are combined and then clamped for one time, so that the turning processing of the end surface 32 of the drum, the end surface 42 of the conical drum, the inner cylindrical surface 31 of the end part of the cylindrical drum 3 and the inner cylindrical surface 41 of the end part of the conical drum 4 is completed, the parallelism of the end surfaces of the two ends of the drum and the coaxiality of the mounting matching surfaces of the drum and the large and small end covers are ensured, and the processing precision is improved.
In the above examples and application examples, the processed rotary drum is a rotary drum of a 420-centrifuge.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the 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 (6)
1. The utility model provides a frock for whole processing of rotary drum which characterized in that: comprises a large-end tool (1) matched with a cylindrical rotary drum (3) and a small-end tool (2) matched with a conical rotary drum (4); the large-end tool (1) comprises a large-end cylinder (11), a large-end disc (12) and a large-end reinforcing rib (13), wherein the large-end cylinder (11) is connected with the large-end disc (12), and the large-end reinforcing rib (13) fixes the large-end cylinder (11) and the large-end disc (12); tip frock (2) include tip cylinder (21), tip disc (22) and tip strengthening rib (23), tip cylinder (21) are connected with tip disc (22), and tip cylinder (21) and tip disc (22) are fixed in tip strengthening rib (23).
2. The tooling for the integral processing of the rotary drum according to claim 1, is characterized in that: the axial lines of a large-end cylinder (11) and a large-end disc (12) of the large-end tool (1) are superposed and connected into a whole; the axial leads of a small end cylinder (21) and a small end disc (22) of the small end tool (2) are overlapped and connected into a whole.
3. The tooling for the integral processing of the rotary drum according to claim 1, is characterized in that: a large-end central thimble hole (111) is formed in one end, which is not connected with the large-end disc (12), of the large-end cylinder (11) of the large-end tool (1); the large-end disc (12) of the large-end tool (1) is provided with 3 to 6 weight-reducing through holes (122), and the weight-reducing through holes (122) are uniformly distributed on the large-end disc (12); and a small end center thimble hole (211) is formed in one end, which is not connected with the small end disc (22), of the small end cylinder (21) of the small end tool (2).
4. The tooling for the integral processing of the rotary drum according to claim 1, is characterized in that: the large-end reinforcing rib (13) is a right-angle triangular plate, and two right-angle edges are respectively connected with the outer circular surface of the large-end cylinder (11) and the end surface of the large-end disc (12) into a whole; 3-6 large-end reinforcing ribs (13) are uniformly distributed on the circumference along the outer circular surface of the large-end cylinder (11); the small-end reinforcing rib (23) is a right-angle triangular plate, and two right-angle sides are respectively connected with the outer circular surface of the small-end cylinder (21) and the end surface of the small-end disc (22) into a whole; the number of the small-end reinforcing ribs (23) is 3 to 6, and the small-end reinforcing ribs are uniformly distributed on the circumference along the outer circular surface of the small-end cylinder (21).
5. The tooling for the integral processing of the rotary drum according to claim 1, is characterized in that: the cylindrical surface (121) at the outer side of the large-end disc (12) is in clearance fit with the inner cylindrical surface (31) at the end part of the cylindrical drum (3), the diameter D1 of the cylindrical surface (121) at the outer side of the large-end disc (12) is 0.01-0.03mm smaller than the diameter D2 of the inner cylindrical surface (31) at the end part of the cylindrical drum (3), and the width L1 of the cylindrical surface (121) at the outer side of the large-end disc (12) is 1-3mm smaller than the width L2 of the inner cylindrical surface (31) at the end part of the cylindrical drum (3).
6. The tooling for the integral processing of the rotary drum according to claim 1, is characterized in that: the cylindrical surface (221) at the outer side of the small end disc (22) is in clearance fit with the inner cylindrical surface (41) at the end part of the conical rotary drum (4), the diameter D3 of the cylindrical surface (221) at the outer side of the small end disc (22) is 0.01-0.03mm smaller than the diameter D4 of the inner cylindrical surface (41) at the end part of the conical rotary drum (4), and the width L3 of the cylindrical surface (221) at the outer side of the small end disc (22) is 1-3mm smaller than the width L4 of the inner cylindrical surface (41) at the end part of the conical rotary drum (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528078.5U CN210789239U (en) | 2019-09-16 | 2019-09-16 | Tool for integral processing of rotary drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528078.5U CN210789239U (en) | 2019-09-16 | 2019-09-16 | Tool for integral processing of rotary drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789239U true CN210789239U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921528078.5U Active CN210789239U (en) | 2019-09-16 | 2019-09-16 | Tool for integral processing of rotary drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789239U (en) |
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2019
- 2019-09-16 CN CN201921528078.5U patent/CN210789239U/en active Active
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