CN111001827A - Split type dynamic wear-resistant ring turning method - Google Patents
Split type dynamic wear-resistant ring turning method Download PDFInfo
- Publication number
- CN111001827A CN111001827A CN201911171120.7A CN201911171120A CN111001827A CN 111001827 A CN111001827 A CN 111001827A CN 201911171120 A CN201911171120 A CN 201911171120A CN 111001827 A CN111001827 A CN 111001827A
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- Prior art keywords
- turning
- wear
- plate
- resistant ring
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/16—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a split type movable wear-resistant ring turning method, which relates to the technical field of machining and comprises the following steps: the aligning cover plate is coaxially arranged on the bottom plate through a fastener; two movable wear-resistant rings are overlapped on the boss and aligned and locked through a locking bolt; the inner circle turning pressing plate is overlapped on the movable wear-resisting ring, and is connected with the alignment cover plate through a fastening piece and tightly presses the movable wear-resisting ring; clamping the bottom plate on a four-jaw chuck of a sleeping car to complete turning of the inner diameter of the movable wear-resistant ring and the sealing groove; stopping the machine, sleeving the outer circle turning pressing plate into the inner circle turning pressing plate, connecting the bottom plate through a fastening piece and pressing the wear-resisting ring; sequentially disassembling the inner circle turning pressing plate and the alignment cover plate; and turning the excircle of the dynamic wear-resistant ring after starting the machine. By adopting the split type turning method for the movable wear-resistant ring, the clamp only needs to be clamped once in the machining process, turning of the movable wear-resistant ring can be completed without turning, the times of workpiece disassembly and assembly are reduced, and the turning efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of internal mixer machining, in particular to a turning method of a split type movable wear-resistant ring.
Background
The internal mixer is a key device widely adopted by rubber and plastic product enterprises and is mainly used for plastication and mixing of rubber. The internal mixer mainly comprises a frame, an internal mixing chamber, a rotor sealing device, a feeding and pressing device, a discharging device, a transmission device, a base and the like; the quality of the rotor sealing directly determines the quality of the final product, and therefore is very important for the whole internal mixer. The rotor sealing device is characterized in that a wear-resistant ring and a sealing ring are respectively and directly sleeved on rotating shafts at two ends of a rotor, the wear-resistant ring is connected with the rotating shafts and rotates along with the rotating shafts, the sealing ring is called as a movable wear-resistant ring, the sealing ring is fixedly connected with a rack and is called as a static wear-resistant ring, and the sealing effect is achieved through close contact between a pair of sealing surfaces on the wear-resistant ring and the sealing ring.
The movable wear-resistant ring rotates along with the rotating shaft, so that the requirement on the precision of turning the inner diameter and the outer diameter of the movable wear-resistant ring is high, particularly for a halved structure, the movable wear-resistant ring is not lifted in finish turning, a common three-jaw chuck or a four-jaw chuck cannot be used for clamping, and the precision cannot be ensured because the movable wear-resistant ring needs to be turned and clamped when the outer diameter is turned; when the inner diameter is turned, the tool is not easy to withdraw, so that the turning efficiency of the movable wear-resistant ring is low. A new turning method is needed to improve the split turning efficiency of the dynamic wear-resistant ring.
Disclosure of Invention
The invention mainly aims to provide a turning method of a split type movable wear-resistant ring, which solves the problem of low turning efficiency in the turning process of the existing split type movable wear-resistant ring.
In order to achieve the purpose, the split type movable wear-resistant ring turning method provided by the invention clamps the split type movable wear-resistant ring by using a special movable wear-resistant ring turning clamp, wherein the special movable wear-resistant ring turning clamp comprises a bottom plate, an alignment cover plate, an inner circle turning pressing plate and an outer circle turning pressing plate, an annular boss is arranged on the bottom plate, the outer diameter of the boss is smaller than the outer diameter of the movable wear-resistant ring, and the inner diameter of the boss is larger than the inner diameter of the movable wear-resistant ring; the alignment cover plate comprises a circular ring plate, a positioning sleeve coaxially fixed on the circular ring plate and a locking bolt radially penetrating through the positioning sleeve and used for locking the movable wear-resistant ring; the hole diameters of the circular ring plate and the positioning sleeve are larger than the outer diameter of the movable wear-resistant ring, the aligning cover plate is sleeved on the outer wall of the boss in a penetrating manner and is detachably mounted on the bottom plate, and one side of the boss, which is far away from the bottom plate, is used for coaxially stacking the movable wear-resistant ring, so that the side, which is far away from the bottom plate, of the movable wear-resistant ring is higher than the top surface, which is far away from the bottom plate, of the aligning cover plate; an inner tool withdrawal groove for turning the inner diameter of the movable wear-resistant ring is formed between the inner hole of the movable wear-resistant ring and the inner diameter of the boss, and an outer tool withdrawal groove for turning the outer diameter of the movable wear-resistant ring is formed between the outer diameter of the movable wear-resistant ring and the outer diameter of the boss; the inner circle turning pressing plate is provided with a gear-shaped inner hole penetrating the thickness of the plate, and is used for being attached to one side, away from the bottom plate, of the movable wear-resisting ring and being connected with the alignment cover plate through a fastener so as to compress the movable wear-resisting ring; the outer circle turning pressing plate is provided with a gear-shaped outer contour, the outer circle turning pressing plate is sleeved in the inner circle turning pressing plate, the outer contour is meshed with the gear-shaped inner hole, and the outer circle turning pressing plate is used for being attached to one side, away from the bottom plate, of the movable wear-resisting ring and is connected with the bottom plate through a fastener to compress the movable wear-resisting ring;
the split type dynamic wear-resistant ring turning method comprises the following steps:
A. the aligning cover plate is coaxially arranged on the bottom plate through a fastener;
B. two movable wear-resistant rings are overlapped on the boss and aligned and locked through a locking bolt;
C. the inner circle turning pressing plate is overlapped on the movable wear-resisting ring, and is connected with the alignment cover plate through a fastening piece and tightly presses the movable wear-resisting ring;
D. clamping the bottom plate on a four-jaw chuck of a sleeping car to complete turning of the inner diameter of the movable wear-resistant ring and the sealing groove;
E. stopping the machine, sleeving the outer circle turning pressing plate into the inner circle turning pressing plate, connecting the bottom plate through a fastening piece and pressing the wear-resisting ring;
F. sequentially disassembling the inner circle turning pressing plate and the alignment cover plate;
G. and turning the excircle of the dynamic wear-resistant ring after starting the machine.
Preferably, the positioning sleeve is uniformly and radially provided with a plurality of groups of adjusting screw holes penetrating through the wall thickness along the cylinder wall of the positioning sleeve, one end of the locking bolt penetrates through the adjusting screw holes and is used for abutting against the outer wall of the movable wear-resisting ring, and the position of the movable wear-resisting ring relative to the positioning sleeve is aligned by adjusting the length of the locking bolt extending out of the adjusting screw holes.
Preferably, the inner circle turning pressing plate is a circular plate, the inner hole is coaxially arranged at the center of the inner circle turning pressing plate, a plurality of groups of inner convex teeth are uniformly distributed in the inner hole in the radial direction, and the diameter of the addendum circle of the inner convex teeth is larger than the inner diameter of the movable wear-resistant ring.
Preferably, the outer circle turning clamp plate is a gear plate with outer convex teeth uniformly distributed in the radial direction of the outer edge, the outer diameter of the outer circle turning clamp plate is smaller than the diameter of the tooth root of the inner convex teeth, and the diameter of the tooth root circle of the outer convex teeth of the outer circle turning clamp plate is smaller than the diameter of the tooth top circle of the inner convex teeth.
Preferably, the rotating speed of the main shaft during turning is 60-80 f/min, the feed rate is 0.1-0.2 mm/r, and the cutting depth is 0.1-0.3 mm.
In the technical scheme of the invention, the split type movable wear-resistant ring is coaxially stacked on one side of the boss, which is far away from the base plate, an inner tool withdrawal groove for turning the inner diameter of the movable wear-resistant ring is formed between the inner hole of the movable wear-resistant ring and the inner diameter of the boss, and an outer tool withdrawal groove for turning the outer diameter of the movable wear-resistant ring is formed between the outer diameter of the movable wear-resistant ring and the outer diameter of the boss, so that the tool withdrawal groove does not need to be separately processed. The outer side wall of the boss is sleeved with the alignment cover plate in a penetrating manner and is detachably mounted on the bottom plate, the movable wear-resisting ring is locked through the locking bolt, the movable wear-resisting ring is prevented from loosening and deforming, and the movable wear-resisting ring is higher than the top surface of one side, away from the bottom plate, of the alignment cover plate; the inner circle turning pressing plate is attached to the top surface of the side, away from the bottom plate, of the movable wear-resistant ring and presses the movable wear-resistant ring, after the inner diameter turning of the movable wear-resistant ring is completed, the outer circle turning pressing plate is sleeved in the inner circle turning pressing plate, and the outer circle turning pressing plate is attached to the top surface of the side, away from the bottom plate, of the movable wear-resistant ring and presses the movable wear-resistant ring; the inner circle turning pressing plate and the alignment cover plate are taken down, so that the outer diameter of the movable wear-resisting ring to be machined extends out of the boss, and the outer diameter of the movable wear-resisting ring to be machined is directly turned without turning; the method for clamping and turning the movable wear-resistant ring by using the special movable wear-resistant ring turning clamp only needs clamping once, and turning of the movable wear-resistant ring can be completed without turning, so that the turning efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a special turning fixture for a dynamic wear-resistant ring.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a schematic structural diagram of the base plate in fig. 1.
Fig. 5 is a schematic structural view of the alignment cover plate in fig. 1.
Fig. 6 is a schematic structural view of the internal lathe platen of fig. 1.
Fig. 7 is a schematic structural view of the outer circle turning press plate in fig. 1.
Fig. 8 is a longitudinal sectional view of the working wear ring of the present embodiment in an inner diameter state.
Fig. 9 is a longitudinal sectional view of the working wear ring of the present embodiment in an outer diameter state.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | Supporting |
| 12 | |
13 | |
| 14 | |
2 | |
| 21 | |
22 | |
| 23 | Adjusting |
24 | First through |
| 25 | |
26 | Adjusting |
| 3 | Inner circle turning |
31 | |
| 32 | |
33 | Third through |
| 4 | Excircle |
41 | Convex |
| 42 | Second through |
43 | Center |
| 5 | Dynamic wear- |
6 | Inner |
| 7 | External |
101 | First socket head hexagon socket |
| 102 | Second socket |
103 | Third cylinder head socket head cap screw |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a turning method for a split type movable wear-resistant ring.
With reference to fig. 1 to 9, in the turning method for the split-type movable wear-resistant ring disclosed in this embodiment, a special fixture for turning the split-type movable wear-resistant ring is used to clamp the split-type movable wear-resistant ring, the special fixture for turning the movable wear-resistant ring includes a bottom plate 1, an alignment cover plate 2, an inner circle turning press plate 3 and an outer circle turning press plate 4, an annular boss 12 is provided on the bottom plate 1, an outer diameter of the boss 12 is smaller than an outer diameter of the movable wear-resistant ring 5, and an inner diameter of the boss 12 is larger than an inner diameter of the movable wear-resistant ring 5; the alignment cover plate 2 comprises a circular ring plate 21, a positioning sleeve 22 coaxially fixed on the circular ring plate, and a locking bolt 23 radially penetrating the positioning sleeve 22 and used for locking the movable wear-resisting ring 5; the aperture of the circular ring plate 21 and the aperture of the positioning sleeve 22 are larger than the outer diameter of the movable wear-resistant ring 5, the aligning cover plate 2 is sleeved on the outer wall of the boss 12 and is detachably mounted on the bottom plate 1, and one side of the boss 12, which is far away from the bottom plate 1, is used for coaxially stacking the movable wear-resistant ring 5, so that one side of the movable wear-resistant ring 5, which is far away from the bottom plate 1, is higher than the top surface of the aligning cover plate 2, which is far away from the bottom plate 1; an inner tool withdrawal groove 6 for turning the inner diameter of the movable wear-resistant ring 5 is formed between the inner hole of the movable wear-resistant ring 5 after clamping and the inner diameter of the boss 12, and an outer tool withdrawal groove 7 for turning the outer diameter of the movable wear-resistant ring 5 is formed between the outer diameter of the movable wear-resistant ring 5 after clamping and the outer diameter of the boss 12; the inner circle turning pressing plate 3 is provided with a gear-shaped inner hole 31 penetrating the thickness of the plate, and the inner circle turning pressing plate 3 is used for being attached to one side, away from the bottom plate 1, of the movable wear-resisting ring 5 and is connected with the alignment cover plate 2 through a fastener so as to compress the movable wear-resisting ring 5; the outer circle turning pressing plate 4 is provided with a gear-shaped outer contour 41, the outer circle turning pressing plate 4 is sleeved in the inner circle turning pressing plate 3, the outer contour 41 is meshed with the gear-shaped inner hole 31, the outer circle turning pressing plate 4 is used for being attached to one side, deviating from the bottom plate 1, of the movable wear-resistant ring 5 and is connected with the bottom plate 1 through a fastener so as to compress the movable wear-resistant ring 5.
In the technical scheme of the invention, the split type movable wear-resistant ring 5 is coaxially overlapped on one side of the boss 12, which is far away from the bottom plate 1, an inner tool withdrawal groove 6 for turning the inner diameter of the movable wear-resistant ring 5 is formed between the inner hole of the movable wear-resistant ring 5 and the inner diameter of the boss 12, and an outer tool withdrawal groove 7 for turning the outer diameter of the movable wear-resistant ring 5 is formed between the outer diameter of the movable wear-resistant ring 5 and the outer diameter of the boss 12, so that a separate tool withdrawal groove does not need to be processed. The outer side wall of the alignment cover plate 2 penetrating the boss 12 is detachably mounted on the bottom plate 1, the movable wear-resistant ring 5 is locked through the locking bolt 23, so that the movable wear-resistant ring 5 is prevented from loosening and deforming, and the movable wear-resistant ring 5 is higher than the top surface of one side of the alignment cover plate 2, which is far away from the bottom plate 1; the inner circle turning pressing plate 3 is attached to the top surface of the side, away from the bottom plate 1, of the movable wear-resistant ring 5 and presses the movable wear-resistant ring 5, after the inner diameter turning of the movable wear-resistant ring 5 is completed, the outer circle turning pressing plate 4 is sleeved in the inner circle turning pressing plate 3, and the outer circle turning pressing plate 4 is attached to the top surface of the side, away from the bottom plate 1, of the movable wear-resistant ring 5 and presses the movable wear-resistant ring 5; the inner circle turning press plate 3 and the alignment cover plate 2 are taken down, so that the outer diameter of the movable wear-resisting ring 5 to be machined extends out of the boss 12, and the outer diameter of the movable wear-resisting ring 5 to be machined is directly turned without turning; the method for clamping and turning the movable wear-resistant ring by using the special movable wear-resistant ring turning clamp only needs clamping once, and turning of the movable wear-resistant ring 5 can be completed without turning, so that the turning efficiency is greatly improved.
As shown in fig. 4, specifically, the base plate 1 includes a supporting circular plate 11 and the boss 12 coaxially fixed to the supporting circular plate 11; the plate surface circumference of the supporting circular plate 11, which is positioned at the outer side of the boss 12, is evenly provided with first screw holes 13 penetrating the plate thickness, the plate surface circumference of the supporting circular plate 11, which is positioned at the inner side of the boss 12, is evenly provided with second screw holes 14 penetrating the plate thickness, the first screw holes 13 are used for connecting the alignment cover plate 2, and the second screw holes 14 are used for connecting the outer turning pressing plate 3.
Specifically, the circular plate 21 is provided with a first through hole 24 which penetrates the plate thickness and is used for connecting the first screw hole 13, third screw holes 25 which are perpendicular to the circular plate 21 are evenly distributed in the circumferential direction on one side of the positioning sleeve 22, which is away from the circular plate 21, of the positioning sleeve 22, the aperture of the positioning sleeve 22 is larger than the outer diameter of the movable wear-resistant ring 5, the circular plate 21 is detachably connected with the supporting circular plate 11 through a fastener, and the outer circle turning pressing plate 3 is detachably connected with the positioning sleeve 22 through a fastener.
As shown in fig. 5, preferably, a plurality of sets of adjusting screw holes 26 penetrating through the wall thickness are uniformly distributed in the radial direction of the positioning sleeve 22 along the cylinder wall, one end of the locking bolt 23 penetrates through the adjusting screw holes 26 and is used for abutting against the outer wall of the movable wear-resistant ring 5, and the position of the movable wear-resistant ring 5 relative to the positioning sleeve 22 is aligned by adjusting the length of the locking bolt 23 extending out of the adjusting screw holes 26.
As shown in fig. 6, preferably, the inner circular turning pressing plate 3 is a circular plate, the inner hole 31 is coaxially disposed at the center of the inner circular turning pressing plate 3, a plurality of groups of inner convex teeth 32 are uniformly distributed in the inner hole 31 in the radial direction, and the diameter of the addendum circle of the inner convex teeth 32 is greater than the inner diameter of the dynamic wear-resistant ring 5.
Specifically, a third through hole 33 penetrating the plate thickness is uniformly distributed on the circumferential direction of the surface of the inner turning pressing plate 3 departing from the cutter feeding hole 31, and the third through hole 33 is connected with the third screw hole 25 through a fastening piece.
As shown in fig. 7, preferably, the outer turning pressing plate 4 is a gear plate with outer convex teeth 41 uniformly distributed in the radial direction of the outer edge, the outer diameter of the outer turning pressing plate 4 is smaller than the diameter of the tooth root of the inner convex teeth 32, and the diameter of the tooth root circle of the outer convex teeth 41 of the outer turning pressing plate 4 is smaller than the diameter of the tooth tip circle of the inner convex teeth 32.
Specifically, the outer circle turning clamp plate 4 is a circular ring plate and is provided with a central circular hole 43 penetrating the plate thickness, second through holes 42 penetrating the plate thickness are evenly distributed on the circumferential direction of the inner side plate surface of the outer circle turning clamp plate 4 departing from the outer convex teeth 41, and the second through holes 42 are connected with the second screw holes 14 through fasteners.
Further, the outer convex teeth 41 are sequentially arranged between two adjacent inner convex teeth 32, and the outer convex teeth 41 and the inner convex teeth 32 are in clearance fit and are meshed with each other.
Furthermore, the alignment cover plate 2 is connected to the base plate 1 through a first socket head cap screw 101, the inner circle turning press plate 3 is connected to the alignment cover plate 2 through a second socket head cap screw 102, and the outer circle turning press plate 4 is connected to the base plate 1 through a third socket head cap screw 103.
Preferably, the rotating speed of the main shaft during turning is 60-80 f/min, the feed rate is 0.1-0.2 mm/r, and the cutting depth is 0.1-0.3 mm.
Referring to fig. 1, 8 and 9, the method for turning the split dynamic wear-resistant ring comprises the following steps:
A. the alignment cover plate is coaxially arranged on the bottom plate through a first socket head hexagon screw;
B. two movable wear-resistant rings are overlapped on the boss and aligned and locked through a locking bolt;
C. the inner circle turning pressing plate is overlapped on the movable wear-resisting ring, and is connected with the alignment cover plate through a second cylindrical head hexagon socket head cap screw and presses the movable wear-resisting ring;
D. clamping the bottom plate on a four-jaw chuck of a sleeping car to complete turning of the inner diameter of the movable wear-resistant ring and the sealing groove, wherein the rotating speed of a main shaft is 60-80 f/min, the feeding amount is 0.1-0.2 mm/r, and the cutting depth is 0.1-0.3 mm;
E. stopping the machine, sleeving the outer turning pressing plate 4 into the inner turning pressing plate 3, connecting the bottom plate through a third cylindrical head hexagon socket head cap screw and pressing the wear-resisting ring;
F. the inner circle turning pressing plate 3 and the alignment cover plate 2 are disassembled in sequence;
G. turning the excircle of the movable wear-resistant ring after starting the machine, wherein the rotating speed of a main shaft is 60-80 f/min, the feeding amount is 0.1-0.2 mm/r, and the cutting depth is 0.1-0.3 mm.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The split type movable wear-resistant ring turning method is characterized in that a special movable wear-resistant ring turning clamp is used for clamping a split type movable wear-resistant ring, the special movable wear-resistant ring turning clamp comprises a bottom plate, an alignment cover plate, an inner circle turning pressing plate and an outer circle turning pressing plate, an annular boss is arranged on the bottom plate, the outer diameter of the boss is smaller than that of the movable wear-resistant ring, and the inner diameter of the boss is larger than that of the movable wear-resistant ring; the alignment cover plate comprises a circular ring plate, a positioning sleeve coaxially fixed on the circular ring plate and a locking bolt radially penetrating through the positioning sleeve and used for locking the movable wear-resistant ring; the hole diameters of the circular ring plate and the positioning sleeve are larger than the outer diameter of the movable wear-resistant ring, the aligning cover plate is sleeved on the outer wall of the boss in a penetrating manner and is detachably mounted on the bottom plate, and one side of the boss, which is far away from the bottom plate, is used for coaxially stacking the movable wear-resistant ring, so that the side, which is far away from the bottom plate, of the movable wear-resistant ring is higher than the top surface, which is far away from the bottom plate, of the aligning cover plate; an inner tool withdrawal groove for turning the inner diameter of the movable wear-resistant ring is formed between the inner hole of the movable wear-resistant ring and the inner diameter of the boss, and an outer tool withdrawal groove for turning the outer diameter of the movable wear-resistant ring is formed between the outer diameter of the movable wear-resistant ring and the outer diameter of the boss; the inner circle turning pressing plate is provided with a gear-shaped inner hole penetrating the thickness of the plate, and is used for being attached to one side, away from the bottom plate, of the movable wear-resisting ring and being connected with the alignment cover plate through a fastener so as to compress the movable wear-resisting ring; the outer circle turning pressing plate is provided with a gear-shaped outer contour, the outer circle turning pressing plate is sleeved in the inner circle turning pressing plate, the outer contour is meshed with the gear-shaped inner hole, and the outer circle turning pressing plate is used for being attached to one side, away from the bottom plate, of the movable wear-resisting ring and is connected with the bottom plate through a fastener to compress the movable wear-resisting ring;
the split type dynamic wear-resistant ring turning method comprises the following steps:
A. the aligning cover plate is coaxially arranged on the bottom plate through a fastener;
B. two movable wear-resistant rings are overlapped on the boss and aligned and locked through a locking bolt;
C. the inner circle turning pressing plate is overlapped on the movable wear-resisting ring, and is connected with the alignment cover plate through a fastening piece and tightly presses the movable wear-resisting ring;
D. clamping the bottom plate on a four-jaw chuck of a sleeping car to complete turning of the inner diameter of the movable wear-resistant ring and the sealing groove;
E. stopping the machine, sleeving the outer circle turning pressing plate into the inner circle turning pressing plate, connecting the bottom plate through a fastening piece and pressing the wear-resisting ring;
F. sequentially disassembling the inner circle turning pressing plate and the alignment cover plate;
G. and turning the excircle of the dynamic wear-resistant ring after starting the machine.
2. The method for turning the split type dynamic wear-resistant ring as claimed in claim 1, wherein a plurality of sets of adjusting screw holes penetrating through the wall thickness are uniformly distributed in the radial direction of the cylinder wall of the positioning sleeve, one end of the locking bolt penetrates through the adjusting screw holes and is used for abutting against the outer wall of the dynamic wear-resistant ring, and the position of the dynamic wear-resistant ring relative to the positioning sleeve is aligned by adjusting the length of the locking bolt extending out of the adjusting screw holes.
3. The split dynamic wear-resistant ring turning method according to claim 1, wherein the internal turning pressure plate is a circular plate, the internal hole is coaxially arranged at the center of the internal turning pressure plate, a plurality of groups of internal convex teeth are uniformly distributed in the internal hole in the radial direction, and the diameter of the addendum circle of the internal convex teeth is larger than the inner diameter of the dynamic wear-resistant ring.
4. The split dynamic wear-resistant ring turning method according to claim 3, wherein the outer turning pressure plate is a gear plate with outer convex teeth radially distributed on the outer edge, the outer diameter of the outer turning pressure plate is smaller than the diameter of the root of the inner convex teeth, and the diameter of the root circle of the outer convex teeth of the outer turning pressure plate is smaller than the diameter of the tip circle of the inner convex teeth.
5. The method for turning a split type dynamic wear-resistant ring according to any one of claims 1 to 4, wherein the spindle rotation speed during turning is 60 to 80f/min, the feed rate is 0.1 to 0.2mm/r, and the cutting depth is 0.1 to 0.3 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911171120.7A CN111001827A (en) | 2019-11-26 | 2019-11-26 | Split type dynamic wear-resistant ring turning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911171120.7A CN111001827A (en) | 2019-11-26 | 2019-11-26 | Split type dynamic wear-resistant ring turning method |
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| CN111001827A true CN111001827A (en) | 2020-04-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695942A (en) * | 2021-08-27 | 2021-11-26 | 沈阳透平机械股份有限公司 | Clamping tool for sealing and processing static blade and using method thereof |
| CN114131298A (en) * | 2021-12-28 | 2022-03-04 | 沈阳透平机械股份有限公司 | Group machining method for multiple circular arc surfaces of compressor end cover dismounting ring |
| CN116787168A (en) * | 2023-08-21 | 2023-09-22 | 杭州安耐特实业有限公司 | Grinding machine |
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| CN113695942A (en) * | 2021-08-27 | 2021-11-26 | 沈阳透平机械股份有限公司 | Clamping tool for sealing and processing static blade and using method thereof |
| CN114131298A (en) * | 2021-12-28 | 2022-03-04 | 沈阳透平机械股份有限公司 | Group machining method for multiple circular arc surfaces of compressor end cover dismounting ring |
| CN116787168A (en) * | 2023-08-21 | 2023-09-22 | 杭州安耐特实业有限公司 | Grinding machine |
| CN116787168B (en) * | 2023-08-21 | 2023-11-03 | 杭州安耐特实业有限公司 | Grinding machine |
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