CN218396298U - Taper sleeve fastening type self-centering hobbing clamp structure - Google Patents
Taper sleeve fastening type self-centering hobbing clamp structure Download PDFInfo
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- CN218396298U CN218396298U CN202222489831.2U CN202222489831U CN218396298U CN 218396298 U CN218396298 U CN 218396298U CN 202222489831 U CN202222489831 U CN 202222489831U CN 218396298 U CN218396298 U CN 218396298U
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- taper sleeve
- centering
- fixture
- hobbing
- anchor clamps
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- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
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Abstract
The utility model discloses a taper sleeve fastening formula is from centering hobbing clamp structure, including the anchor clamps body and taper sleeve fastening module, the anchor clamps body includes anchor clamps body and external screw thread portion, external screw thread portion sets up on the outer periphery wall of anchor clamps body, taper sleeve fastening module includes retaining member, location taper sleeve, slip taper sleeve, taper sleeve fastening formula is from centering hobbing clamp structure still includes that anchor clamps are top, the top installation of anchor clamps is at anchor clamps body top, and the axle centre bore has been seted up respectively at gear shaft upper and lower both ends of gear part, the axle centre bore cooperatees with the top and the lathe of anchor clamps respectively, adopts the lathe top and the anchor clamps top, utilizes the axle centre bore of gear shaft, changes traditional excircle location into centre bore location, realizes quick fixed excircle gear shaft through taper sleeve fastening module, realizes quick self-centering installation, has avoided alignment before the processing, has promoted product and has traded production efficiency and processingquality.
Description
Technical Field
The utility model relates to a hobbing of shaft gear adds clamping apparatus field, especially relates to a taper sleeve fastening formula is from feeling relieved hobbing clamp structure.
Background
Hobbing processing of aviation shaft gears (shaft parts containing shaft necks) usually adopts a clamp structure for clamping one top, a positioning fixed excircle is processed by a numerical control lathe, the dimensional stability is poor, the jumping is not good, an operator needs to perform manual alignment after the parts are installed, and the product changing efficiency is severely restricted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide one kind and need not the alignment and can trade the taper sleeve fastening formula of producing the location fast from centering gear hobbing anchor clamps structure.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a taper sleeve fastening formula is from centering hobbing clamp structure, includes the anchor clamps body and taper sleeve fastening module, the anchor clamps body includes anchor clamps body and external screw thread portion, external screw thread portion sets up on the outer periphery wall of anchor clamps body, taper sleeve fastening module includes retaining member, location taper sleeve, slip taper sleeve cover is established outside the location taper sleeve and with location taper sleeve conical surface cooperation, drives slip taper sleeve slip through the rotating retaining member and compresses tightly the location taper sleeve, makes the downthehole gear part gear shaft of location taper sleeve fixed, taper sleeve fastening formula is from centering hobbing clamp structure still includes the anchor clamps top, the anchor clamps top is installed at anchor clamps body top, and the axle centre bore has been seted up respectively at the upper and lower both ends of gear part's gear shaft, the axle centre bore cooperatees with the top of anchor clamps and the top of lathe respectively.
As a further improvement of the technical scheme:
a plurality of adjusting grooves are formed in the upper portion of the positioning taper sleeve at intervals along the circumferential direction.
The upper portion of the positioning taper sleeve is matched with the upper portion of the sliding taper sleeve in a conical surface mode, and the lower portion of the sliding taper sleeve is connected with the locking piece.
The outer circumference of the lower portion of the sliding taper sleeve is provided with a boss portion, and the top of the locking member covers the boss portion.
The fixture body and the tip are integrally formed.
The sliding taper sleeve and the locking piece are integrally formed.
The top of the clamp body is provided with a counter sink hole and an upper center hole communicated with the counter sink hole, the positioning taper sleeve is arranged in the counter sink hole, and a tip shaft of the tip is installed in the upper center hole.
The clamp body is connected with the machine tool base.
The clamp body is a Morse cone.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a taper sleeve fastening formula is from centering hobbing clamp structure adopts the lathe top and anchor clamps top, utilizes the axle centre bore of gear shaft, changes traditional excircle location into centre bore location, realizes quick fixed gear shaft excircle through taper sleeve fastening module, realizes quick self-centering installation, has avoided the alignment before the processing, has promoted product and has traded production efficiency and processingquality.
The utility model discloses a taper sleeve fastening formula is from centering hobbing clamp structure, taper sleeve subassembly and retaining member can be dismantled, fixed and quick the trade of many varieties part in order to satisfy through the series taper sleeve subassembly of the different hole size of design produce, and the product percent of pass is 100%, has solved the quick location installation of hobbing processing part and has traded this difficult problem of producing fast of different kinds of part, for the clamp structure on one clamp, has reduced the alignment before the processing, and has improved product machining precision and on-the-spot production efficiency.
Drawings
Fig. 1 is a schematic structural view of the taper sleeve fastening type self-centering hobbing clamp structure of the utility model.
Fig. 2 is a schematic structural view of a clamp center in embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of the clamp body in embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of the sliding taper sleeve in embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of a positioning taper sleeve in embodiment 1 of the present invention.
Fig. 6 is a top view of the positioning taper sleeve in embodiment 1 of the present invention.
Fig. 7 is a schematic structural view of the lock member in embodiment 1 of the present invention.
The reference numerals in the figures denote: 1. a clamp body; 11. a clamp body; 12. an external threaded portion; 13. sinking a platform hole; 14. an upper central hole; 2. a locking member; 3. sliding the taper sleeve; 31. a boss portion; 4. positioning a taper sleeve; 41. an adjustment groove; 5. A clamp tip; 6. The machine tool center.
Detailed Description
The present invention will be described in further detail below. Unless otherwise specified, the instruments or materials used in the present invention are commercially available.
Example 1
As shown in fig. 1 to 7, the taper sleeve fastening type self-centering hobbing clamp structure of the present embodiment includes a clamp body 1 and a taper sleeve fastening module, wherein the clamp body 1 includes a clamp body 11 and an external thread portion 12, the external thread portion 12 is disposed on an outer circumferential wall of the clamp body 11, the taper sleeve fastening module includes a locking member 2, a positioning taper sleeve 4, and a sliding taper sleeve 3, the sliding taper sleeve 3 is sleeved outside the positioning taper sleeve 4 and is in conical fit with the positioning taper sleeve 4, an inner hole of the positioning taper sleeve 4 is matched with a gear shaft of a gear part, an upper portion of the locking member 2 is connected with the sliding taper sleeve 3, and a lower portion of the locking member 2 is matched with the external thread portion 12; the taper sleeve fastening type self-centering hobbing clamp structure further comprises a clamp tip 5, wherein the clamp tip 5 is installed at the top of the clamp body 11, shaft center holes are respectively formed in the upper end and the lower end of a gear shaft of the gear part, and the shaft center holes are respectively matched with the clamp tip 5 and a machine tool tip 6; the sliding taper sleeve 3 is driven to slide and tightly press the positioning taper sleeve 4 by rotating the locking piece 2, so that an inner hole of the positioning taper sleeve 4 is matched with an outer circle of a gear shaft, and gear parts are fixed. The utility model discloses in, adopt the lathe top 6 and anchor clamps top 5, utilize the axle centre bore of gear shaft, change traditional excircle location into centre bore location, realize quick fixed gear shaft excircle through taper sleeve fastening module, realize quick self-centering installation, avoided processing front alignment, promoted product trade and produced efficiency and processingquality.
The utility model provides an anchor clamps structure is used for axle type part, refers to the axle type part that contains the axle journal, especially can not adopt internal expanding or plug to carry out the axle type part of the fixed gear shaft gear hobbing processing of fixing a position.
In this embodiment, a plurality of adjusting grooves 41 are formed along the circumferential direction on the upper portion of the positioning taper sleeve 4. Through the setting of adjustment groove 41, when slip taper sleeve 3 moves down and compresses tightly location taper sleeve 4, location taper sleeve 4 adjustment groove 41 interval reduces, further compresses tightly the gear part. When the sliding taper sleeve 3 moves upwards to unload the positioning taper sleeve 4, the distance between the adjusting grooves 41 of the positioning taper sleeve 4 is increased and restored to the original distance, and the gear part is further loosened. In this embodiment, the number of the adjusting grooves 41 is three, the adjusting grooves are strip-shaped grooves, the bottom of the adjusting grooves 41 is arc-shaped,
the upper part of the positioning taper sleeve 4 is matched with the upper conical surface of the sliding taper sleeve 3 (in the embodiment, the conical surface angle is 30 degrees.), and the lower part of the sliding taper sleeve 3 is connected with the locking piece 2. In this embodiment, the lower outer circumference of the sliding cone 3 is provided with a boss portion 31, and the top of the locking member 2 is covered on the boss portion 31. In other embodiments, sliding cone 3 and retaining member 2 are integrally formed.
In this embodiment, the clamp body 1 and the clamp tip 5 are formed separately, and in other embodiments, the clamp body 1 and the clamp tip 5 are formed integrally.
The top of the clamp body 11 is provided with a counter sink hole 13 and an upper center hole 14 communicated with the counter sink hole 13, the positioning taper sleeve 4 is arranged in the counter sink hole 13, and a tip shaft of the clamp tip 5 is arranged in the upper center hole 14.
The clamp body 11 is connected with a machine tool base.
The clamp body 11 is a morse cone.
In this embodiment, taper sleeve subassembly and retaining member 2 can be dismantled, fixes and trades the product fast in order to satisfy many varieties part through the series location taper sleeve 4 of the different hole sizes of design, and the product percent of pass is 100%, has solved the gear hobbing processing part and has fixed a position the installation fast and trade this difficult problem of producing fast of different kinds of part, for the anchor clamps structure of a clamp one top, has reduced the alignment before the processing, and has improved product machining precision and on-the-spot production efficiency.
Taking an aviation gear shaft of a certain type as an example, the following are known: the gear part and its mating gear, module m =2.5, pressure angle α =28 °, number of teeth Z1=12, fixed excircle D1= Φ 16.5 ± 0.006mm, etc. The positioning taper sleeves 4 meeting the requirements of fixing the outer circles of different gear shafts are designed to realize the processing of parts with multiple drawing numbers. The parts before hobbing are already roughly machined, and center holes at two ends and fixed excircles are machined.
A use method of a taper sleeve fastening type self-centering hobbing clamp structure comprises the following steps:
matching a central hole of a lower end shaft of a gear shaft of the gear part with a centre 5 of a clamp, and controlling a centre 6 of a machine tool to descend to be matched with a central hole of an upper end shaft of the gear part to complete positioning of the gear part;
the positioning taper sleeve 4 is attached to the outer circle of the gear shaft, the locking piece 2 is rotated to drive the sliding taper sleeve 3 to slide and clamp the positioning taper sleeve 4, so that the inner hole of the positioning taper sleeve 4 is matched with the outer circle of the gear shaft, and gear parts are fixed.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a taper sleeve fastening formula is from centering hobbing clamp structure, includes the anchor clamps body (1) and taper sleeve fastening module, its characterized in that: the fixture body (1) comprises a fixture body (11) and an external threaded part (12), the external threaded part (12) is arranged on the outer circumferential wall of the fixture body (11), the taper sleeve fastening module comprises a locking part (2), a positioning taper sleeve (4) and a sliding taper sleeve (3), the sliding taper sleeve (3) is sleeved outside the positioning taper sleeve (4) and is in conical surface fit with the positioning taper sleeve (4), the sliding taper sleeve (3) is driven to slide through rotating the locking part (2) to tightly press the positioning taper sleeve (4), a gear part gear shaft in an inner hole of the positioning taper sleeve (4) is fixed, the taper sleeve fastening type self-centering hobbing fixture structure further comprises a fixture tip (5), the fixture tip (5) is arranged at the top of the fixture body (11), shaft center holes are respectively formed in the upper end and the lower end of the gear shaft of the gear part, and the shaft is respectively matched with the fixture tip (5) and a machine tool tip (6).
2. The cone fastened self-centering hobbing clamp structure of claim 1, characterized in that: a plurality of adjusting grooves (41) are formed in the upper portion of the positioning taper sleeve (4) at intervals along the circumferential direction.
3. The taper sleeve fastened self-centering hobbing fixture structure of claim 2, wherein: the upper portion of location taper sleeve (4) and the upper portion conical surface cooperation of slip taper sleeve (3), the lower part and the retaining member (2) of slip taper sleeve (3) are connected.
4. The taper sleeve fastened self-centering hobbing fixture structure of claim 3, wherein: the outer circumference of slip taper sleeve (3) lower part is equipped with boss portion (31), retaining member (2) top lid is established in boss portion (31).
5. The taper sleeve fastened self-centering hobbing fixture structure according to any one of claims 1-4, wherein: the clamp body (1) and the clamp tip (5) are integrally formed.
6. The taper sleeve fastened self-centering hobbing fixture structure according to any one of claims 1-4, wherein: the sliding taper sleeve (3) and the locking piece (2) are integrally formed.
7. The taper sleeve fastened self-centering hobbing clamp structure according to any one of claims 1 to 4, characterized in that: the fixture comprises a fixture body (11), wherein the top of the fixture body (11) is provided with a counter sink hole (13) and an upper center hole (14) communicated with the counter sink hole (13), a positioning taper sleeve (4) is arranged in the counter sink hole (13), and a tip shaft of a fixture tip (5) is arranged in the upper center hole (14).
8. The taper sleeve fastened self-centering hobbing clamp structure according to any one of claims 1 to 4, characterized in that: the clamp body (11) is connected with a machine tool base.
9. The taper sleeve fastened self-centering hobbing clamp structure according to any one of claims 1 to 4, characterized in that: the clamp body (11) is a Morse cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489831.2U CN218396298U (en) | 2022-09-20 | 2022-09-20 | Taper sleeve fastening type self-centering hobbing clamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489831.2U CN218396298U (en) | 2022-09-20 | 2022-09-20 | Taper sleeve fastening type self-centering hobbing clamp structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218396298U true CN218396298U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222489831.2U Active CN218396298U (en) | 2022-09-20 | 2022-09-20 | Taper sleeve fastening type self-centering hobbing clamp structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218396298U (en) |
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2022
- 2022-09-20 CN CN202222489831.2U patent/CN218396298U/en active Active
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