CN112207307B - Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool - Google Patents
Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool Download PDFInfo
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- CN112207307B CN112207307B CN202011030045.5A CN202011030045A CN112207307B CN 112207307 B CN112207307 B CN 112207307B CN 202011030045 A CN202011030045 A CN 202011030045A CN 112207307 B CN112207307 B CN 112207307B
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- 238000003801 milling Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Classifications
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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
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
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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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Gear Processing (AREA)
Abstract
The invention provides a clamping device for turning and milling combined machining of a gear box shifting hub and a combined machine tool. Including the first fixture that is used for centre gripping to shift the first end of hub, first fixture includes first chuck body, at least three first jack catch, first ring flange, at least three centering ring and two locating pieces, at least three first jack catch sets up along the circumferencial direction of first chuck body evenly and can keep away from or be close to relative the axis of first chuck body, first ring flange is installed on first chuck body and is used for supporting the terminal surface of the first end of shifting the hub, at least three centering ring is the circular setting on first ring flange and is used for restricting the hub of shifting along the radial outside removal of first chuck body, two locating pieces set up adjacently, and the terminal surface of every locating piece towards another locating piece all sets up first locating pin, form the centre gripping space that is used for the location portion of centre gripping the hub of shifting between two first locating pins. The clamping device can accurately position the gear shifting hub.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a clamping device for turning and milling combined machining of a gear shifting hub of a gearbox and a combined machine tool.
Background
At present, the processing method adopted for the gear shifting hub comprises four processing procedures of end face turning, end face milling, bottom face turning and bottom face milling, and the processing precision and the positioning precision are difficult to ensure because the repeated clamping process on different machine tools and different positioning clamps are adopted for a plurality of times, and the comprehensive error is large and the qualification rate is low after the product is processed.
Disclosure of Invention
The invention aims to provide a clamping device for turning and milling combined machining of a gear shifting hub of a gearbox and a combined machine tool, so as to solve the technical problems.
According to a first aspect of the invention, there is provided a clamping device for turning and milling a gear shifting hub of a gearbox, comprising a first clamping mechanism for clamping a first end of the gear shifting hub, wherein the first clamping mechanism comprises a first chuck body, at least three first clamping jaws, a first flange plate, at least three centering rings and two positioning blocks, the at least three first clamping jaws are uniformly arranged along the circumferential direction of the first chuck body and can be far away from or close to an axis of the first chuck body, the first flange plate is mounted on the first chuck body and is used for supporting an end face of the first end of the gear shifting hub, the at least three centering rings are circularly arranged on the first flange plate and are used for limiting the gear shifting hub to move outwards along the radial direction of the first chuck body, the two positioning blocks are adjacently arranged, each positioning block is provided with a first positioning pin facing the end face of the other positioning block, and a clamping space for clamping a positioning part of the hub is formed between the two positioning pins.
Optionally, the first fixture further includes at least three first centering blocks, the first centering blocks with first jack catch one-to-one, the first centering blocks are installed on the first jack catch, the first centering blocks are arc-shaped and have first arced surfaces matched with the outer peripheral surface of the gear shifting hub.
Optionally, the centering ring is in an arc-shaped strip structure, and the centering ring and the first centering block are arranged in a staggered manner.
Optionally, one of the centering rings protrudes into the U-shaped portion of the shift hub.
Optionally, the clamping device further includes a second clamping mechanism for clamping a second end of the gear shifting hub, wherein the first end is opposite to the second end, the second clamping mechanism includes a second chuck body, at least three second claws, a positioning body, at least three second centering blocks and a second positioning pin, the positioning body is cylindrical and is installed on an end face of the second chuck body, the at least three second claws are uniformly arranged along a circumferential direction of the positioning body and can be far away from or close to an axis of the positioning body, the second centering blocks are in one-to-one correspondence with the second claws, the second centering blocks are L-shaped and are installed on the second claws, the second centering blocks are used for centering the gear shifting hub from an inner surface of the gear shifting hub, and the second positioning pin is arranged in a through hole of the gear shifting hub and is far away from one end of the second chuck body so as to limit the gear shifting hub to move along the circumferential direction.
Optionally, the second centering block includes a first portion extending along an axial direction of the positioning body and a second portion extending along a radial direction of the positioning body, and a side of the first portion away from the positioning body is provided with a second arc surface matched with an inner surface of the second end of the shift hub.
Optionally, the outer peripheral surface of the positioning body is provided with at least three grooves, the grooves are in one-to-one correspondence with the second centering blocks, and the grooves are used for at least partially accommodating the first parts.
Optionally, the second fixture further includes a second flange, a first error-proof stopper and a second error-proof stopper, the second flange is disposed between the positioning body and the second chuck body, a first error-proof space and a second error-proof space are formed between the gear shifting hub and the second flange, the first error-proof stopper is disposed in the first error-proof space and is matched with the first error-proof space, and the second error-proof stopper is disposed in the second error-proof space and is matched with the second error-proof space.
According to a second aspect of the invention, a compound machine tool is provided, which comprises the clamping device for turning and milling compound machining of the gear box shifting hub.
The embodiment of the invention has the beneficial effects that: according to the clamping device, the gear shifting hub can be centered in the radial direction of the first chuck body through the at least three centering rings, the positioning part of the gear shifting hub can be clamped through the two first positioning pins, the gear shifting hub can be positioned in the circumferential direction of the first chuck body, and the gear shifting hub is arranged on the first flange plate and used for supporting the end face of the first end of the gear shifting hub, so that the gear shifting hub is positioned in the axial direction of the first chuck body, the gear shifting hub is clamped through the first clamping jaws, the gear shifting hub can be ensured to be accurately positioned at a position to be machined, the positioning precision of the gear shifting hub is improved, the machining precision of the gear shifting hub is improved, and the product yield of the gear shifting hub is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a clamping device for turning and milling a gear shifting hub of a gearbox and a first clamping mechanism and the gear shifting hub in a compound machine tool according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a first clamping mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first view of FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 from a second perspective;
FIG. 5 is a schematic view of the third view of FIG. 2;
FIG. 6 is a partial schematic view of the structure of FIG. 1, wherein the first positioning block and a portion of the shift hub are not shown;
fig. 7 is a schematic structural diagram of a clamping device for turning and milling a gear shifting hub of a gearbox and a second clamping mechanism and the gear shifting hub in a compound machine tool according to an embodiment of the invention;
FIG. 8 is a schematic view of the first view of FIG. 7;
FIG. 9 is a schematic diagram of the structure of the second view of FIG. 7;
FIG. 10 is a schematic view of the structure of the third view of FIG. 7;
fig. 11 is a schematic structural diagram of a second clamping mechanism according to an embodiment of the present invention;
FIG. 12 is a schematic view of the structure of FIG. 11 from a first view angle;
fig. 13 is a schematic view of the structure of fig. 11 at a second viewing angle.
Icon: a 10-shift hub; 11-a positioning part; 12-step part; 13-through holes; 14-U-shaped part; 20-a first chuck body; 21-a first jaw; 211-a first centering block; 2111—a first arcuate surface; 22-a first flange; 221-centering ring; 23-positioning blocks; 231-first positioning pins; 30-a second chuck body; 31-a second jaw; 311-a second centering block; 3111-a second arcuate surface; 32-positioning body; 321-a second locating pin; 322-groove; 33-a first error-proofing limiting block; 34-a second error-proofing limiting block; 35-a second flange.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, according to a first aspect of the present invention, there is provided a clamping device for turning and milling a gear shift hub of a gearbox, the clamping device comprising a first clamping mechanism for clamping a first end of the gear shift hub 10, the first clamping mechanism comprising a first chuck body 20, at least three first jaws 21, a first flange 22, at least three centering rings 221 and two positioning blocks 23, the first chuck body 20 being arranged on a compound machine tool, the compound machine tool being capable of simultaneously performing a turning operation on the gear shift hub 10, the at least three first jaws 21 being uniformly arranged in a circumferential direction of the first chuck body 20 and being capable of being far away from or near to an axis of the first chuck body 20, in particular, the first flange 22 being mounted on the first chuck body 20 and being capable of supporting an end face of the first end of the gear shift hub 10, the first flange 22 being fixable on the end face of the first chuck body 20 by bolts, the at least three centering rings 221 being circularly arranged on the first flange 22 and being used for limiting movement of the gear shift hub 10 radially outwards along the first chuck body 20, the at least three centering rings 221 being arranged on the outer side of the first chuck body 10, the first chuck body 10 being axially facing the first positioning blocks 23, whereby the first positioning blocks 23 are arranged in a radial direction of the first chuck body 10 and being axially parallel to the other end face of the first chuck body 10, the other positioning blocks 23 being axially parallel to the end face of the first chuck body 10, the other positioning blocks 23 being arranged in a direction of the first positioning blocks 23 and being axially parallel to the other end face 23 when the first positioning blocks 23 are arranged in order to be axially parallel to the end face one of the other positioning blocks 10 and being arranged in the axial direction of the first positioning blocks 23 and being axially opposite one of the other positioning blocks 23, a clamping space for clamping the positioning portion 11 of the shift hub 10 is formed between the two first positioning pins 231, and the positioning portion 11 is a machining reference surface of the shift hub 10.
The grooves on the outer surface of the shift hub 10 are shift grooves.
Based on this, the above-mentioned clamping device can realize the centering of the gear shifting hub 10 in the radial direction of the first chuck body 20 through at least three centering rings 221, clamp the location portion 11 of the gear shifting hub 10 through two first locating pins 231, can realize the location of the gear shifting hub 10 in the circumferential direction of the first chuck body 20, because the gear shifting hub 10 is installed on the first flange 22 and is used for supporting the terminal surface of the first end of the gear shifting hub 10, realize the location of the gear shifting hub 10 in the axial direction on the first chuck body 20, from this, the gear shifting hub 10 is clamped through the first jack catch 21, just can guarantee that the gear shifting hub 10 is exactly in the position of waiting to process, improve the location precision of the gear shifting hub 10, be favorable to improving the machining precision of the gear shifting hub 10, thereby promote the product qualification rate of the gear shifting hub 10.
Referring to fig. 2, 3 and 5, further, in order to reduce damage to the outer peripheral surface of the shift hub 10, the first clamping mechanism further includes at least three first centering blocks 211, where the first centering blocks 211 are in one-to-one correspondence with the first claws 21, that is, each first claw 21 is provided with one first centering block 211, the first centering blocks 211 are installed on the first claws 21, the first centering blocks 211 are arc-shaped and have a first arc-shaped surface 2111 matched with the outer peripheral surface of the shift hub 10, and the first centering blocks 211 are of arc-shaped block or plate-shaped structure, and because the first arc-shaped surfaces 2111 of the first centering blocks 211 can be mutually attached to the outer peripheral surface of the shift hub 10, that is, compared with the first centering blocks 211, the contact area between the first claws 21 and the outer peripheral surface of the shift hub 10 is increased, on one hand, the clamping force of the first claws 21 to the shift hub 10 can be dispersed, the uniformity of the stress of the shift hub 10 is ensured, the outer peripheral surface of the shift hub 10 is prevented from being damaged, and on the other hand, the contact area is increased, so that the first centering blocks 211 can clamp the hub 10 more firmly, and the positioning accuracy is improved.
Referring to fig. 5, further, the centering ring 221 is in an arc-shaped strip structure, at least three centering rings 221 are distributed on the same ring, and at least three centering rings 221 are uniformly distributed on the first flange 22 at intervals on the same ring, the centering rings 221 and the first centering blocks 211 are staggered, that is, one centering ring 221 is arranged between two adjacent first centering blocks 211, or one first centering block 211 is arranged between two adjacent centering rings 221, and the centering rings 221 which are in the strip structure and are staggered with the first centering blocks 211 can balance stress when the gear shifting hub 10 is subjected to the clamping force of the first centering blocks 211, so that the positioning accuracy is improved. In addition, in order to avoid that the first flange 22 can more stably support the shift hub 10 without affecting the movement of the first centering block 211, the first flange 22 is substantially constructed in a Y-shaped structure. The inner peripheral surface of the shift hub 10 is provided with a stepped portion 12, and the centering ring 221 is adjacent to the stepped portion 12.
In addition, three centering rings 221 are located outside the positioning block 23.
Referring to fig. 6, further, one of the centering rings 221 protrudes into the U-shaped portion 14 of the shift hub 10, whereby the centering ring 221 can also restrict movement of the shift hub 10 in the radial direction of the first chuck body 20 to improve positioning accuracy.
After the first clamping mechanism clamps the first end of the gear shifting hub 10, the compound machine tool performs a turning and milling operation on the portion of the gear shifting hub 10 except for the first end.
Referring to fig. 7 to 13, further, the clamping device further includes a second clamping mechanism for clamping the second end of the shift hub 10, the first end being opposite to the second end, and when the second clamping mechanism clamps the second end of the shift hub 10, the compound machine tool performs a milling operation on the first end of the shift hub 10, wherein the second clamping mechanism includes a second chuck body 30, at least three second jaws 31, a positioning body 32, at least three second centering blocks 311 and a second positioning pin 321, the second chuck body 30 is disposed on the compound machine tool, the positioning body 32 is cylindrical and is mounted on an end surface of the second chuck body 30, the at least three second jaws 31 are uniformly disposed along a circumferential direction of the positioning body 32 and can be far away from or near to an axis of the positioning body 32, the second centering blocks 311 are in one-to-one correspondence with the second jaws 31, that is, one second centering block 311 is mounted on each second jaw 31, the second centering block 311 is L-shaped and mounted on the second jaw 31, the second centering block 311 is for centering the shift hub 10 from the inner surface of the shift hub 10, since the L-shaped second centering block 311 can apply a clamping force from the inner surface of the shift hub 10 to the outside, the outer circumferential surface of the shift hub 10 can be exposed while the clamping of the shift hub 10 is ensured, so as to perform a milling operation on the outer circumferential surface of the shift hub 10, the second centering block 311 can perform centering of the shift hub 10 in the radial direction of the second chuck body 30, the second positioning pin 321 is provided at an end of the positioning body 32 remote from the second chuck body 30 and the second positioning pin 321 is for insertion into the through hole 13 of the shift hub 10 to restrict the shift hub 10 from moving in the circumferential direction, the second positioning pin 321 can perform positioning of the shift hub 10 in the circumferential direction on the second chuck body 30, and the end face of the positioning body 32 far away from the second chuck body 30 can realize the positioning of the gear shifting hub 10 in the axial direction of the second chuck body 30, so that the gear shifting hub 10 can be accurately positioned, and the machining precision of the gear shifting hub 10 can be improved. Because the compound lathe can carry out milling compound processing to gear shifting hub 10, from this, use first fixture and second fixture just can accomplish the milling processing to gear shifting hub 10, can reduce clamping number of times like this, improve the machining precision of gear shifting hub 10.
Referring to fig. 11, 12 and 13, further, the second centering block 311 includes a first portion extending in the axial direction of the positioning body 32 and a second portion extending in the radial direction of the positioning body 32, the first portion and the second portion together constitute an L-shape, one side of the first portion remote from the positioning body 32 is provided with a second arc surface 3111 mating with the inner surface of the second end of the shift hub 10, and since the second centering block 311 has the second arc surface 3111 mating with the inner surface of the second end of the shift hub 10, the contact area of the second centering block 311 with the shift hub 10 can be increased to disperse the clamping force, the shift hub 10 is prevented from being damaged, and the shift hub 10 can be clamped more stably to improve the machining accuracy.
Referring to fig. 11, 12 and 13, further, at least three grooves 322 are formed on the outer peripheral surface of the positioning body 32, the grooves 322 are in one-to-one correspondence with the second centering blocks 311, the grooves 322 are used for at least partially accommodating the first portions, and before the gear shifting hub 10 is clamped, at least part of the first portions are positioned in the grooves 322, so that the occupied space of the second clamping mechanism in the circumferential direction can be reduced as a whole, and the structural compactness of the clamping device can be improved.
Referring to fig. 8, 9 and 10, further, the second clamping mechanism further includes a second flange 35, a first error-proof stopper 33 and a second error-proof stopper 34, the second flange 35 is disposed between the positioning body 32 and the second chuck body 30, since the inside of the second end of the shift hub 10 is provided with three through holes 13, and the second positioning pin 321 can only be inserted into one of the through holes 13 (when it is inserted into one of the other two through holes 13, the processing position of the shift hub 10 and the complex machine tool is not matched), thus, a first error-proof space and a second error-proof space are formed between the shift hub 10 and the second flange 35, the first error-proof stopper 33 is disposed in the first error-proof space and is matched with the first error-proof space, the second error-proof stopper 34 is disposed in the second error-proof space and is matched with the second error-proof space, and the first error-proof stopper 33 and the second error-proof stopper 34 can prevent the shift hub 10 from being misplaced in the circumferential direction, thereby avoiding the rejection of the shift hub 10 due to the erroneous processing.
According to a second aspect of the invention, there is provided a compound machine tool comprising the clamping device for turning and milling a gear box shift hub.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a gearbox gear shifting hub turn-milling clamping device for combined machining, its characterized in that, including being used for the centre gripping the first fixture of the first end of gear shifting hub, first fixture includes first chuck body, at least three first jack catch, first ring flange, at least three centering ring and two locating pieces, at least three first jack catch is followed the circumferencial direction of first chuck body evenly sets up and can be kept away from or be close to relative the axis of first chuck body, first ring flange is installed on the first chuck body and is used for supporting the terminal surface of the first end of gear shifting hub, at least three centering ring is circular setting and is used for limiting the gear shifting hub is followed radially outwards remove of the first chuck body, two locating pieces are adjacent to be set up, and every the locating piece is facing to the terminal surface of another locating piece all sets up first locating pin, two form the centre gripping space that is used for the locating part of gear shifting hub between the first locating pin.
2. The clamping device for turning and milling composite machining of a gear box shifting hub according to claim 1, wherein the first clamping mechanism further comprises at least three first centering blocks, the first centering blocks are in one-to-one correspondence with the first clamping jaws, the first centering blocks are mounted on the first clamping jaws, and the first centering blocks are arc-shaped and are provided with first arc-shaped surfaces matched with the outer peripheral surfaces of the shifting hubs.
3. The clamping device for turning and milling composite machining of a gear box shifting hub according to claim 2, wherein the centering ring is of an arc-shaped strip-shaped structure, and the centering ring and the first centering block are arranged in a staggered mode.
4. A clamping device for turning and milling composite machining of a gear box shifting hub according to claim 3, characterized in that one of the centering rings extends into the U-shaped part of the shifting hub.
5. The clamping device for turning and milling composite processing of a gear box shifting hub according to any one of claims 1 to 4, further comprising a second clamping mechanism for clamping a second end of the shifting hub, wherein the first end is opposite to the second end, the second clamping mechanism comprises a second chuck body, at least three second claws, a positioning body, at least three second centering blocks and a second positioning pin, the positioning body is cylindrical and is mounted on an end face of the second chuck body, the at least three second claws are uniformly arranged along a circumferential direction of the positioning body and can be far away from or close to an axis of the positioning body, the second centering blocks are in one-to-one correspondence with the second claws, the second centering blocks are L-shaped and are mounted on the second claws, the second centering blocks are used for centering the shifting hub from an inner surface of the shifting hub, and the second positioning pin is arranged at one end of the positioning body far away from the second chuck body and can be inserted into the through hole of the shifting hub along the circumferential direction.
6. The clamping device for turning and milling composite machining of a gear shifting hub of a gear shifting box according to claim 5, wherein the second centering block comprises a first portion extending along the axial direction of the positioning body and a second portion extending along the radial direction of the positioning body, and a second arc-shaped surface matched with the inner surface of the second end of the gear shifting hub is arranged on one side, away from the positioning body, of the first portion.
7. The clamping device for turning and milling composite machining of a gear box shifting hub according to claim 6, wherein at least three grooves are formed in the outer peripheral surface of the positioning body, the grooves correspond to the second centering blocks one by one, and the grooves are used for at least partially accommodating the first portions.
8. The clamping device for turning and milling composite machining of a gear box shifting hub according to claim 5, wherein the second clamping mechanism further comprises a second flange plate, a first error-proofing limiting block and a second error-proofing limiting block, the second flange plate is arranged between the positioning body and the second chuck body, a first error-proofing space and a second error-proofing space are formed between the shifting hub and the second flange plate, the first error-proofing limiting block is arranged in the first error-proofing space and is matched with the first error-proofing space, and the second error-proofing limiting block is arranged in the second error-proofing space and is matched with the second error-proofing space.
9. A compound machine tool, characterized by comprising the clamping device for turning and milling compound machining of the gear box shifting hub according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030045.5A CN112207307B (en) | 2020-09-27 | 2020-09-27 | Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030045.5A CN112207307B (en) | 2020-09-27 | 2020-09-27 | Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool |
Publications (2)
| Publication Number | Publication Date |
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| CN112207307A CN112207307A (en) | 2021-01-12 |
| CN112207307B true CN112207307B (en) | 2023-04-28 |
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| CN202011030045.5A Active CN112207307B (en) | 2020-09-27 | 2020-09-27 | Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool |
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| CN113714834B (en) * | 2021-10-12 | 2022-08-30 | 长沙理工大学 | Bearing seat boring clamp and assembling method |
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| CN208427742U (en) * | 2018-05-04 | 2019-01-25 | 四川凌峰航空液压机械有限公司 | Clamp asymmetric bend pipe workpiece chuck device |
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| GB827755A (en) * | 1955-12-28 | 1960-02-10 | United Greenfield Corp | Chuck |
| DE102012017789B4 (en) * | 2012-09-10 | 2017-03-23 | Haweka Ag | Clamping device with centering |
| CN203409288U (en) * | 2013-08-14 | 2014-01-29 | 山东隆基机械股份有限公司 | Turning clamp of heavy-duty car brake hub |
| CN204094502U (en) * | 2014-09-28 | 2015-01-14 | 黄河科技学院 | A kind of thin-walled tubular piece clamping platform |
| CN108788204A (en) * | 2018-07-19 | 2018-11-13 | 浙江辛子精工机械股份有限公司 | A kind of automotive hub outward flange processing positioning and clamping device |
| CN209867406U (en) * | 2019-04-25 | 2019-12-31 | 中山中炬精工机械有限公司 | Jack catch and machine tool |
| CN211438154U (en) * | 2019-12-26 | 2020-09-08 | 章丘市振华锻造有限公司 | Three-jaw chuck for machining circular ring-shaped forge piece |
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2020
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208427742U (en) * | 2018-05-04 | 2019-01-25 | 四川凌峰航空液压机械有限公司 | Clamp asymmetric bend pipe workpiece chuck device |
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| Publication number | Publication date |
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| CN112207307A (en) | 2021-01-12 |
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Effective date of registration: 20231023 Address after: 238000 south of Xingye Avenue and west of Bianshan Road, Chaohu Economic Development Zone, Hefei City, Anhui Province Patentee after: DONGFENG INVESTMENT CASTING Co.,Ltd. Address before: 442000 No.10, fangmaping Road, Angou community, Zhangwan District, Shiyan City, Hubei Province Patentee before: Dongfeng auto parts (Group) Co.,Ltd. piston bearing bush branch |
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