CN117680771A - Positioning and clamping device and method for machining annular gear turning teeth - Google Patents
Positioning and clamping device and method for machining annular gear turning teeth Download PDFInfo
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- CN117680771A CN117680771A CN202311627317.3A CN202311627317A CN117680771A CN 117680771 A CN117680771 A CN 117680771A CN 202311627317 A CN202311627317 A CN 202311627317A CN 117680771 A CN117680771 A CN 117680771A
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- 238000007514 turning Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 title claims description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010862 gear shaping Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a device and a method for processing, positioning and clamping annular gears and turning teeth, and relates to the technical field of gear processing, wherein a first cavity for accommodating a part to be processed is formed in a collapsible sleeve; the limiting seat is internally provided with a second cavity matched with the collapsible sleeve, and the collapsible sleeve is driven by the driving mechanism to slide back and forth in the limiting seat for controlling the collapsible sleeve to collapse. The device and the method for processing, positioning and clamping the annular gear turning can realize the rapid clamping and taking out of the parts, have stable positioning and firm clamping force in the whole process and high efficiency in loading and unloading the parts, thereby ensuring the quality of the turned internal teeth.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a positioning and clamping device and method for machining annular gear turning teeth.
Background
The internal teeth of the inner gear ring are generally divided into straight teeth and inclined teeth, the inner straight teeth can be machined through a gear shaping machine and also can be machined through a gear turning machine, and the inner inclined teeth can only be machined through the gear turning machine.
At present, when the gear ring is machined, the outer circle and the end face of the gear ring are taken as positioning references, the other end face is pressed by a plurality of pressing plates, conventional parts or small batches are machined, the other end face is manually pressed after the outer circle is aligned, and in the manual pressing process, the pressing plates cannot be applied with force simultaneously and the applied force is difficult to be constant, so that the workpiece after alignment always has trace offset on the positioning surface due to the fact that the workpiece is pressed, the machined inner teeth deviate from the center of the outer circle more or less, and when the outer circle is taken as reference for detection, various detection values are out of tolerance and waste products appear, so that the quality cost is high. For mass production, the method cannot ensure the quality and the processing efficiency.
Therefore, it is necessary to provide a positioning and clamping device and a method for machining the annular gear.
Disclosure of Invention
(one) solving the technical problems
The invention aims to provide an inner gear ring gear turning gear machining, positioning and clamping device and method which are stable in positioning, reliable in fastening and high in part assembling and disassembling efficiency, and the problems in the background technology are solved.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: an inner gear ring and turning gear processing, positioning and clamping device comprises
The device comprises a collapsible sleeve, wherein a first cavity for accommodating a part to be processed is formed in the collapsible sleeve, a plurality of blind grooves are uniformly formed in the first cavity of the collapsible sleeve along the circumferential direction of the first cavity, and an outer conical surface is formed in the outer side of the collapsible sleeve;
the limiting seat is internally provided with a second cavity matched with the collapsible sleeve, and the collapsible sleeve is driven by the driving mechanism to slide back and forth in the limiting seat for controlling the collapsible sleeve to collapse.
Preferably, the first cavity is a step straight cavity, and the step depth of the step straight cavity is smaller than the thickness of the part to be processed.
Preferably, the outer conical surface is positioned outside the upper end of the collapsible sleeve, the outer part of the lower end of the collapsible sleeve is a cylindrical surface, and the second cavity sequentially comprises a taper cavity and a step cavity from top to bottom.
Preferably, the device further comprises a base, and the limiting seat is fixedly connected with the base through bolts.
Preferably, the driving mechanism comprises a tension rod for driving the expansion sleeve to descend and a disc spring for driving the expansion sleeve to ascend, the tension rod comprises a rod body, a limit disc is fixedly arranged at one end of the rod body, the other end of the rod body sequentially penetrates through the expansion sleeve and the base, and the disc spring is arranged between the expansion sleeve and the base.
Preferably, the rod body penetrates through the expansion sleeve through the first through hole, a conical hole is formed in the upper portion of the first through hole, and a spherical surface matched with the conical hole is arranged on one side, close to the rod body, of the limiting disc.
Preferably, a boss is arranged in the middle of the lower end of the expansion sleeve, and the disc spring is sleeved on the outer side of the boss.
Preferably, the end face of the limiting seat is provided with a first concave spigot, and the upper end face of the base is provided with a first convex spigot matched with the first concave spigot.
The quick positioning and clamping method for machining the annular gear rim teeth adopts the quick positioning and clamping device for machining the annular gear rim teeth to perform positioning and clamping, and comprises the following steps:
s1: placing a part to be processed in a first cavity of a collapsible sleeve:
s2: the driving mechanism drives the expansion sleeve to descend in the limiting seat, the limiting seat gradually restrains the expansion sleeve to shrink, and the expansion sleeve shrinks to position and clamp the part to be processed;
s3: turning teeth of the inner gear ring;
s4: after the processing is finished, the driving mechanism drives the collapsible sleeve to reset, so that the collapsible sleeve is separated from the clamping of the part, and the part is taken out.
(III) beneficial effects
Compared with the prior art, the invention provides the device and the method for processing, positioning and clamping the annular gear and the turning teeth, which have the following beneficial effects:
according to the inner gear ring turning gear machining, positioning and clamping device and method, the part to be machined is placed in the collapsible sleeve, the collapsible sleeve is driven by the driving mechanism to reciprocate in the limiting seat, so that the collapsible sleeve is expanded and contracted, the part is positioned and clamped, the part can be rapidly clamped and taken out, the whole process is stable in positioning and firm in clamping force, the part loading and unloading efficiency is high, and the quality of the turned inner teeth is guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional view of a structural assembly of the present invention;
FIG. 2 is a schematic cross-sectional view of a limiting seat according to the present invention;
FIG. 3 is a schematic cross-sectional view of a collapsible sleeve of the present invention;
FIG. 4 is a schematic top view of the collapsible sleeve of the present invention;
FIG. 5 is a schematic front view of a tie rod of the present invention;
FIG. 6 is a schematic cross-sectional view of a base of the present invention.
In the figure: 1. a collapsible sleeve; 2. a tension rod; 3. a limit seat; 4. a disc spring; 5. a bolt; 6. a base; 10. taper cavity; 11. a step cavity; 12. a step straight cavity; 13. a blind groove; 14. a first through hole; 15. a boss; 16. a limiting disc; 17. an external thread; 18. a first female seam allowance; 19. a first male tang; 20. a second female seam allowance; 22. a rod body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to FIGS. 1-6, an inner gear ring and turning gear processing, positioning and clamping device comprises
The expansion sleeve 1, the first cavity used for containing the part is arranged in the expansion sleeve 1, preferably, a gap of 0.10-0.20mm is reserved between the first cavity and the outer cylindrical surface of the part to be processed, so that the part can be taken and put, a plurality of blind grooves 13 are uniformly formed in the first cavity of the expansion sleeve 1 along the circumferential direction of the blind grooves 13, the expansion sleeve 1 can be elastically deformed to expand and contract, and an outer conical surface is arranged on the outer side of the expansion sleeve 1; the limiting seat 3, the inside of the limiting seat 3 is provided with a second cavity which is matched with the collapsible sleeve 1, and the collapsible sleeve 1 is driven by a driving mechanism to slide back and forth in the limiting seat 3 for controlling the collapsible sleeve 1 to collapse.
Through placing the part to be processed in the first die cavity of the collapsible sleeve 1, when the driving mechanism drives the collapsible sleeve 1 to slide in the limiting seat 3, the limiting seat 3 enables the collapsible sleeve 1 to shrink to clamp and fix the part under the action of the outer conical surface, so that the part clamping and positioning are more convenient, the positioning effect is better, and the position cannot deviate in the positioning process.
In order not to influence the machining of the turning gear, the first cavity is a step straight cavity 12, and the step depth of the step straight cavity 12 is smaller than the thickness of the part. The parts are axially positioned through the steps of the step straight cavity 12, and the inner diameter of the steps is limited, so that the turning tool is prevented from contacting the collapsible sleeve 1.
The outer conical surface is positioned outside the upper end of the collapsible sleeve 1, the outer part of the lower end of the collapsible sleeve 1 is a cylindrical surface, and the second cavity sequentially comprises a taper cavity 10 and a step cavity 11 from top to bottom. After the collapsible sleeve 1 is assembled on the limiting seat 3, the collapsible sleeve 1 can be limited under the combined action of the cylindrical surface and the step cavity 11 at the outer part of the lower end, so that the axis of the collapsible sleeve 1 and the axis of the limiting seat 3 are ensured to be collinear.
In some embodiments, the device further comprises a base 6, and the limit seat 3 is fixedly connected with the base 6 through a bolt 5. The driving mechanism comprises a tension rod 2 for driving the collapsible sleeve 1 to descend and a disc spring 4 for driving the collapsible sleeve 1 to ascend, the tension rod 2 comprises a rod body 22, one end of the rod body 22 is fixedly provided with a limiting disc 16, the other end of the rod body 22 sequentially penetrates through the collapsible sleeve 1 and the base 6, and the disc spring 4 is arranged between the collapsible sleeve 1 and the base 6.
Through being connected tensioning lever 2 with the pneumatic cylinder, descending through pneumatic cylinder drive tensioning lever 2, dish spring 4 atress compression can drive the collapsible sleeve 1 and slide down in spacing seat 3 inside, under the combined action of the inside second die cavity of collapsible sleeve 1 outside external cone and spacing seat 3, extrude collapsible sleeve 1, make collapsible sleeve 1 produce elastic deformation and shrink to fix the part centre gripping, when the part needs to loosen, pneumatic cylinder drive tensioning lever 2 goes upward, dish spring 4 promotes collapsible sleeve 1 and resets, collapsible sleeve 1 breaks away from the centre gripping to the part, then can take out the part from collapsible sleeve 1. Specifically, the rod body 22 penetrates through the collapsible sleeve 1 through the first through hole 14, a conical hole is formed in the upper portion of the first through hole 14, and a spherical surface matched with the conical hole is arranged on one side, close to the rod body 22, of the limiting disc 16.
In order to limit the disc spring 4, a boss 15 is arranged in the middle of the lower end of the expansion sleeve 1, and the disc spring 4 is sleeved on the outer side of the boss 15.
In order to enable the assembly and positioning effects of the limiting seat 3 and the base 6 to be better, a first concave spigot 18 is formed in the lower end face of the limiting seat 3, and a first convex spigot 19 matched with the first concave spigot 18 is formed in the upper end face of the base 6. In addition, the lower end surface of the base 6 is provided with a second concave spigot 20 matched with the locating spigot on the machine tool workbench, so as to improve the assembly locating effect of the base 6 and the machine tool workbench.
The inner gear ring turning gear machining, positioning and clamping method specifically comprises the following steps:
device assembly: the base 6 is assembled with a locating spigot on a machine tool workbench, after being calibrated, the base is fastened through a bolt 5, then the disc spring 4 and the expansion sleeve 1 are sequentially arranged in a second cavity of the limiting seat 3, a boss 15 at the lower part of the expansion sleeve 1 penetrates through an inner hole of the disc spring 4, a cylindrical surface at the outer part of the lower end is in sliding fit with a step cavity 11 in the limiting seat 3, and finally the tension rod 2 penetrates through a first through hole 14 and is connected with a machine tool hydraulic device through an external thread 17 at the lower part of the tension rod 2, so that the whole device is assembled.
Clamping parts: before a part is machined, the tension rod 2 is not subjected to any external force, the disc spring 4 and the limit seat 3 are in a natural state, an annular gear to be machined, which is qualified in inspection, is placed in the collapsible sleeve 1, the end face of the annular gear to be machined is axially positioned through a step straight cavity 12 in the collapsible sleeve 1, then a hydraulic tension button of a machine tool is started, the tension rod 2 slowly descends under the action of a hydraulic tension device, the collapsible sleeve 1 descends under the action of the external force of the tension rod 2, a cylindrical surface outside the lower end of the collapsible sleeve 1 slides in a step cavity 11 in the limit seat 3 to perform a guiding function until an outer conical surface at the upper part of the collapsible sleeve 1 is matched with an inner conical surface at the upper part of the limit seat 3, as the collapsible sleeve 1 descends continuously, the outer conical surface is restrained by the inner conical surface of the limit seat 3, the inner wall of the collapsible sleeve 1 starts to shrink towards the axis, the clearance between the inner cylindrical surface of the collapsible sleeve 1 and the outer cylindrical surface of the part to be machined is small, the pressure born by the disc spring 4 is larger until the collapsible sleeve 1 clamps the part under the action of the external force, and the pressure born by the disc spring 4 reaches the maximum value, and turning equipment can be operated.
And (3) taking out the parts: after the machining is finished, the hydraulic tensioning reset button is started, the axial tension borne by the collapsible sleeve 1 is slowly released, the pressure borne by the disc spring 4 is gradually reduced until the tensioning rod 2, the collapsible sleeve 1 and the disc spring 4 are completely restored to a natural state, at the moment, the machined part is not affected by any external force, and a gap of 0.10-0.20mm is reserved between the inner cavity of the collapsible sleeve 1 and the outer cylindrical surface of the annular gear, so that the machined annular gear can be easily taken out, and the whole machining process is completed.
The operation is repeated, parts can be clamped, machined and taken out rapidly, the whole process is stable in positioning and firm in clamping force, the machining efficiency of loading and unloading parts and turning is extremely high, and the internal teeth after turning are stable in detection quality and all meet the requirements of drawing.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an annular gear turning gear processing location clamping device which characterized in that: comprising
The device comprises a collapsible sleeve (1), wherein a first cavity for accommodating a part to be processed is formed in the collapsible sleeve (1), a plurality of blind grooves (13) are uniformly formed in the first cavity of the collapsible sleeve (1) along the circumferential direction of the first cavity, and an outer conical surface is formed in the outer side of the collapsible sleeve (1);
the device comprises a limiting seat (3), wherein a second cavity matched with a collapsible sleeve (1) is arranged inside the limiting seat (3), and the collapsible sleeve (1) is driven by a driving mechanism to slide back and forth in the limiting seat (3) for controlling the collapsible sleeve (1) to collapse.
2. The inner gear ring and turning gear machining, positioning and clamping device according to claim 1, wherein: the first cavity is a step straight cavity (12), and the step depth of the step straight cavity (12) is smaller than the thickness of a part to be processed.
3. The inner gear ring and turning gear machining, positioning and clamping device according to claim 1, wherein: the outer conical surface is positioned outside the upper end of the collapsible sleeve (1), the outer part of the lower end of the collapsible sleeve (1) is a cylindrical surface, and the second cavity sequentially comprises a taper cavity (10) and a step cavity (11) from top to bottom.
4. The inner gear ring and turning gear machining, positioning and clamping device according to claim 1, wherein: the device also comprises a base (6), and the limiting seat (3) is fixedly connected with the base (6) through a bolt (5).
5. The inner gear ring and turning gear machining, positioning and clamping device according to claim 4 is characterized in that: the driving mechanism comprises a tensioning rod (2) used for driving the collapsible sleeve (1) to descend and a disc spring (4) used for driving the collapsible sleeve (1) to ascend, the tensioning rod (2) comprises a rod body (22), one end of the rod body (22) is fixedly provided with a limiting disc (16), the other end of the rod body penetrates through the collapsible sleeve (1) and the base (6) in sequence, and the disc spring (4) is arranged between the collapsible sleeve (1) and the base (6).
6. The inner gear ring and turning gear machining, positioning and clamping device according to claim 5, wherein: the rod body (22) penetrates through the expansion sleeve (1) through the first through hole (14), a conical hole is formed in the upper portion of the first through hole (14), and a spherical surface matched with the conical hole is arranged on one side, close to the rod body (22), of the limiting disc (16).
7. The inner gear ring and turning gear machining, positioning and clamping device according to claim 5, wherein: the middle part of the lower end of the expansion sleeve (1) is provided with a boss (15), and the disc spring (4) is sleeved on the outer side of the boss (15).
8. The inner gear ring and turning gear machining, positioning and clamping device according to claim 4 is characterized in that: the end face of the limiting seat (3) is provided with a first concave spigot (18), and the upper end face of the base (6) is provided with a first convex spigot (19) which is matched with the first concave spigot (18).
9. The quick positioning and clamping method for machining the annular gear teeth is characterized by comprising the following steps of:
s1: placing a part to be processed in a first cavity of a collapsible sleeve (1):
s2: the driving mechanism drives the collapsible sleeve (1) to descend in the limiting seat (3), the limiting seat (3) gradually restrains the collapsible sleeve (1) to shrink, and the collapsible sleeve (1) shrinks to position and clamp a part to be processed;
s3: turning teeth of the inner gear ring;
s4: after the processing is finished, the driving mechanism drives the collapsible sleeve (1) to reset, so that the collapsible sleeve (1) is separated from the clamping of the part, and the part is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311627317.3A CN117680771A (en) | 2023-11-30 | 2023-11-30 | Positioning and clamping device and method for machining annular gear turning teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311627317.3A CN117680771A (en) | 2023-11-30 | 2023-11-30 | Positioning and clamping device and method for machining annular gear turning teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117680771A true CN117680771A (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311627317.3A Pending CN117680771A (en) | 2023-11-30 | 2023-11-30 | Positioning and clamping device and method for machining annular gear turning teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117680771A (en) |
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2023
- 2023-11-30 CN CN202311627317.3A patent/CN117680771A/en active Pending
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