CN114227331A - Axle finish machining anchor clamps and axle machine tool - Google Patents
Axle finish machining anchor clamps and axle machine tool Download PDFInfo
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- CN114227331A CN114227331A CN202111548076.4A CN202111548076A CN114227331A CN 114227331 A CN114227331 A CN 114227331A CN 202111548076 A CN202111548076 A CN 202111548076A CN 114227331 A CN114227331 A CN 114227331A
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- 238000003754 machining Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000007514 turning Methods 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
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- 239000011734 sodium Substances 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
- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- 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
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
- B23Q3/183—Centering devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a shaft finish machining clamp which comprises a base, a shell, a connecting sleeve, an expansion sleeve and a supporting cover, wherein the connecting sleeve is arranged on the base; a base mounting cavity, a connecting sleeve mounting cavity and an expansion sleeve mounting cavity are sequentially formed at one end of the shell, the expansion sleeve is accommodated in the expansion sleeve mounting cavity, and the connecting sleeve is mounted in the connecting sleeve mounting cavity; one end of the expansion sleeve is connected with the connecting sleeve in a matching way, the other end of the expansion sleeve is arranged on the other end port of the shell, and the support cover is fixed on the other end port of the shell; the base is fixed in the base installation cavity, and one end of the base is connected with the connecting sleeve. The shaft finish machining fixture fixes a workpiece through the expansion sleeve, a movable center is arranged in the shaft finish machining fixture for centering, the fixture is used for positioning through the maximum excircle of the workpiece, the clamping operation is simple and convenient, the workpiece cannot be abraded in the clamping process, the centering positioning of the workpiece is completed in the clamping process, and the production efficiency is improved.
Description
Technical Field
The invention mainly relates to the field of machining equipment, in particular to a shaft finish machining clamp and a shaft machining tool.
Background
In the present axle course of working, general technology is double-ended car, heat treatment, grinds hole, alignment, corase grind, finish turning inner hole, finish turning length, accurate grinding, washing and inspection, in the axle course of working, before finish turning axle inner hole, need the counter shaft to carry out the corase grind, in order when the finish machining, the work piece is got to convenient clamp, but when the finish turning inner hole, generally use the clamping jaw to press from both sides tight work piece, produce wearing and tearing easily to workpiece surface and ladder face, in clamping process, need use positioner to carry out the heart location, the operation is complicated, and production efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a shaft finish machining clamp and a shaft machining machine tool. The fixture fixes the workpiece through the expansion sleeve, the movable center is arranged in the fixture for centering, the fixture is positioned through the maximum excircle of the workpiece, the clamping operation is simple and convenient, the workpiece cannot be abraded in the clamping process, and the production efficiency is improved.
The invention provides a shaft finish machining clamp which comprises a base, a shell, a connecting sleeve, an expansion sleeve and a supporting cover, wherein the connecting sleeve is arranged on the base;
a base mounting cavity, a connecting sleeve mounting cavity and an expansion sleeve mounting cavity are sequentially formed at one end of the shell, the expansion sleeve is accommodated in the expansion sleeve mounting cavity, and the connecting sleeve is mounted in the connecting sleeve mounting cavity;
one end of the expansion sleeve is connected with the connecting sleeve in a matching way, the other end of the expansion sleeve is arranged on the other end port of the shell, and the support cover is fixed on the other end port of the shell;
the base is fixed in the base installation cavity, and one end of the base is connected with the connecting sleeve.
A live center mounting groove is formed in the base, and a live center is fixed in the live center mounting groove.
A lower pull rod is further arranged in the movable center mounting groove, one end of the movable center is fixed on the lower pull rod, and the other end of the movable center extends out of the base.
The base is provided with a tip cover, and the tip cover covers the movable tip.
The connecting sleeve is provided with a threaded connecting part, and the threaded connecting part is provided with an internal thread;
one end of the expansion sleeve is provided with an external thread, and the external thread is connected with the internal thread in a matching manner.
A spring is arranged in the tip cover, one end of the spring is fixed on the movable tip, and the other end of the spring is fixed on the base.
The wall of the shell is provided with a screw connecting hole, the outer wall of the expansion sleeve is provided with a matching hole, and the screw connecting hole is correspondingly connected with the matching hole;
the shell and the expansion sleeve are fixedly connected through an anti-rotation screw.
The supporting cover is fixed at the other end of the shell, and a connecting through hole is formed in the supporting cover. The step surfaces of the maximum excircle of the end face workpiece of the connecting through hole are connected.
The invention also provides a shaft processing machine tool, which comprises a shaft processing and clamping device, wherein the shaft processing and clamping device is provided with a rotating body, and the rotating body is provided with a plurality of stations;
any one of the plurality of stations is provided with a shaft finishing jig as claimed in any one of claims 1 to 8.
The rotor is the cylinder structure, a plurality of station circumference is arranged on the circumference lateral wall of rotor, or a plurality of station circumference is arranged the up end of rotor.
The invention provides a shaft finish machining fixture and a shaft machining machine tool, wherein the shaft finish machining fixture fixes a workpiece through an expansion sleeve, a movable center is arranged in the shaft finish machining fixture for centering, the fixture is positioned through the maximum excircle of the workpiece, the clamping operation is simple and convenient, the workpiece is not abraded in the clamping process, the centering positioning of the workpiece is completed in the clamping process, and the production efficiency is 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 drawings without creative efforts.
FIG. 1 is a schematic structural view of a shaft finishing machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rotating body according to an embodiment of the present invention;
FIG. 3 is a schematic view of a clamp according to an embodiment of the present invention;
FIG. 4 is an exploded view of the clamp structure in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rotating body according to a second embodiment of the present invention.
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.
The first embodiment is as follows:
fig. 1 shows a schematic structural diagram of a shaft finishing machine in an embodiment of the present invention, the shaft finishing machine includes a machine main body and a shaft finishing device, the shaft finishing machine is provided with the shaft finishing device, the shaft finishing device includes a rotor 1 and a clamp 2, the rotor 1 is fixed on the shaft finishing machine, the rotor 1 is provided with a plurality of stations, and any one of the stations is provided with the clamp 2.
Specifically, fig. 2 shows a schematic structural diagram of a rotator in an embodiment of the present invention, where the rotator 1 is fixed on the processing machine, and the bottom of the rotator 1 is provided with an index plate 11, and the index plate 11 ensures that the rotator 1 rotates to a proper processing position each time.
Further, rotor 1 is the cylinder type structure, be provided with a plurality of station on the rotor 1, a plurality of station includes first station 12, second station 13 and third station 14, be provided with on any one station in first station 12, second station 13 and the third station 14 anchor clamps 2. Anchor clamps 2 are used for the fixed work piece of centre gripping, work as when first station 12 is processed and is accomplished, rotate 1 rotation will second station 13 rotates to the processing position on, carries out new work piece processing, first station 12 rotates the lathe side makes things convenient for the staff to dismantle and change the operation of work piece, rotate 1 can be when processing the work piece, the dismantlement of processing the work piece and the clamping of waiting to process the work piece can improve production efficiency.
Optionally, the number of the stations may be 3, 4, 5, 6, or the like according to the actual processing requirement.
Specifically, rotate 1 inside a plurality of rotation motor that is provided with of piece, a plurality of rotate the motor with a plurality of station one-to-one, the station is in under the effect of rotation motor, can be based on the rotation motor rotates.
Further, anchor clamps 2 are fixed on the station, be provided with the elasticity clamping jaw on the station, the centre gripping of elasticity clamping jaw anchor clamps 2, anchor clamps 2 stretch into inside the station, and with motor spindle cooperation is connected, rotate the motor through motor spindle with anchor clamps 2's cooperation is connected, drives anchor clamps 2 rotates.
Specifically, fig. 3 shows a schematic diagram of a structure of the clamp in the embodiment of the present invention, fig. 4 shows a schematic diagram of an explosion of the structure of the clamp in the embodiment of the present invention, the clamp 2 includes a base 21, a housing 22 and a supporting cover 26, a base mounting cavity 221, a connecting sleeve mounting cavity 222 and an expansion sleeve mounting cavity 224 are sequentially formed at one end of the housing 22, one end of the base 21 is connected with the base mounting cavity 221 in a matching manner, the connecting sleeve 24 is fixed in the connecting sleeve mounting cavity 222, and the expansion sleeve 25 is sleeved in the expansion sleeve mounting cavity 224.
The shell 22 is the toper structure, base 21 fixes the one end of shell 22, base 21 fixes on the station of rotor 1, base 21's one end with shell 22 is connected fixedly, base 21's the other end is fixed on the station, main shaft connector 212 has been seted up to base 21's the other end, main shaft connector 212 is the toper opening, the opening tapering of main shaft connector 212 with the tapering phase-match of the motor spindle of rotating the motor, base 21 passes through main shaft connector 212 with the motor spindle cooperation of rotating the motor is connected.
The one end of shell 22 is provided with the ladder face structure, through the ladder face structure with base 21 is connected the cooperation and is connected fixedly through the screw. The other end of shell 22 is provided with the tapering structure, promptly the external diameter of the other end of shell 22 reduces, the one end of shell 22 is fixed on base 21, and based on base 21 is fixed on the station of rotating piece 1, the tapering structure reduces the external diameter of shell 22, thereby reduces the swing range of anchor clamps 2 when rotating, guarantees that the central point of work piece can not take place to beat and change when the work piece is adding man-hour.
Specifically, a movable center 23 is arranged in the middle of the base 21, and the movable center 23 is used for centering and positioning the workpiece. The movable center device is characterized in that a movable center mounting groove 211 is formed in the base 21, the movable center 23 is mounted on the movable center mounting groove 211, the movable center 23 comprises a spring 231 and a lower pull rod 233, the spring 231 is arranged between the movable center 23 and the base 21, the spring 231 is used for buffering pressure on the movable center 23, the movable center 23 can reset based on the spring 231, and the lower pull rod 233 is used for pulling the movable center 23 to separate the movable center 23 from being connected with a workpiece in a matched mode.
Optionally, the number of the springs 231 may be 2, or 3, or 4, and the like, and the springs 231 may bear a weight of 2kg, so as to prevent the springs from being damaged during the clamping process.
Specifically, the live center 23 is provided with a center cover 232, the center cover 232 is fixed on the base 21, the center cover 232 covers the live center 23, the live center 23 extends out from a center hole of the center cover 232, the center cover 232 is used for limiting the position and the extending length of the live center 23, the situation that the live center 23 deviates is avoided, the accuracy of the matching position is ensured, the live center 23 is protected, and scraps, dust and the like are prevented from entering the live center 23 to influence the work of the live center 23.
Furthermore, the live center 23 is of a conical structure, in the process of clamping a workpiece, the live center 23 is extruded by the workpiece and moves towards the direction of the base 21, the area of the connection between the live center 23 and the center cover 232 is small, the friction between the live center and the center cover 232 can be reduced, when the workpiece is clamped, the live center 23 is pressed against the central hole of the workpiece under the action of the spring 231, and the live center 23 and the center cover 232 are tightly matched under the action of the spring 231, so that the clamping stability is ensured.
Specifically, lubricating grease is arranged in the tip cover 232, when a workpiece is clamped each time, the live center 23 and the tip cover 232 are in a relative movement state, when the workpiece is clamped, the live center 23 and the tip cover 232 are tightly attached, and the lubricating grease reduces friction between the live center 23 and the tip cover 232 and ensures the service life of the live center 23.
Furthermore, sodium-based lubricating grease or calcium-sodium lubricating grease can be selected as the lubricating grease.
Specifically, the outer shell 22 with be provided with the adapter sleeve 24 between the base 21, be provided with base installation cavity 221 and adapter sleeve installation cavity 222 on the bottom of outer shell 22, base 21 with base installation cavity 221 cooperatees, the top surface of base 21 with the terminal surface of outer shell 22 one end meets to fix through screwed connection. The connecting sleeve mounting cavity 222 is connected to the base mounting cavity 221, the connecting sleeve 24 is disposed on the connecting sleeve mounting cavity 222, and the connecting sleeve 222 is used for connecting the base 21 and the casing 22, so as to play a role of buffering between the casing 22 and the base 21.
Further, a threaded connection portion 241 is arranged on the connecting sleeve 24, and an internal thread is arranged on the threaded connection portion 241.
Specifically, an expansion sleeve 25 is arranged inside the housing 22, an external thread is arranged at one end of the expansion sleeve 25, one end of the expansion sleeve 25 extends into the housing 22 and is fixedly connected with a threaded connection portion 241 of the connecting sleeve 24 through the matching of the internal thread and the external thread, a central sleeve hole 242 is formed in the connecting sleeve 24, a tip cover 23 of the live center 23 is sleeved in the central sleeve hole 242, and the live center 23 extends into the connecting sleeve 24 through the central sleeve hole 242.
Specifically, the expansion sleeve 25 is sleeved in the outer shell 22 and accommodated in the expansion sleeve mounting cavity 224, an outer wall of the expansion sleeve 25 is tightly connected with an inner wall of the outer shell 22, a screw connection hole 223 is formed in a cylinder wall of the outer shell 22, a matching hole 251 is formed in an outer wall of the expansion sleeve 25, and when the expansion sleeve 25 is matched with the outer shell 22, the screw connection hole 223 is correspondingly connected with the matching hole 251 and is fixedly connected through an anti-rotation screw. The shell 22 with the cover 25 that expands is connected fixedly through preventing changeing the screw, prevents the shell 22 with the cover 25 that expands the relative pivoted condition appears in the work piece course of working, avoids causing because of the shell 22 with the cover 25 relative rotation that expands causes machining error.
Specifically, the other end of the expansion sleeve 25 is provided with an expansion sleeve opening 252, the expansion sleeve opening 252 is arranged at one end port of the outer shell 22, and the workpiece extends into the fixture through the expansion sleeve opening 252. The workpiece extends into the expansion sleeve 25 and is screwed up through the connecting bolt, so that the expansion sleeve 25 is in an expansion state, the outer wall of the workpiece is tightly matched with the inner wall of the expansion sleeve 25, and when the clamp rotates, the workpiece rotates along with the clamp.
Specifically, be formed with work piece cooperation chamber 253 in the cover 25 that expands, work piece cooperation chamber 252 holds the work piece, the outer wall of work piece with the inner wall of the cover 25 that expands closely laminates, through the cover 25 that expands with the close fit of work piece carries out the transmission, promptly anchor clamps 2 pass through the cover 25 that expands carries out the tight clamping operation of work piece, has reduced the drive structure of bonding connection, protects the roughness of work piece surface avoids the condition of centre gripping vestige and wearing and tearing appear in the work piece surface.
Further, evenly distributed has the notch structure on the cover mouth 252 that expands, the notch structure is ensured the cover mouth 252 that expands can expand tightly the shrink under the bolt tightening effect to and the bolt is turned round the loose effect and is released and open, realize the centre gripping of work piece and loosen, the notch structure is under the contraction state, the notch structure is in the work piece with the extrusion of shell 22 is out of shape down, the inside atmospheric pressure increase of notch, the work piece with the cover 25 that expands based on the notch structure closely meets.
Further, the shell 22 is matched with a supporting cover 26, the workpiece extends into the expansion sleeve 25, and then is supported and fixed through the supporting cover 26, the expansion sleeve 25 and the workpiece are tightly matched through tightening the connecting bolt, the supporting cover 26 is provided with a connecting through hole 261, and the workpiece is connected with the supporting cover 26 through the connecting through hole 261 in a matched mode.
Furthermore, the end face of the supporting cover 26 is connected with the stepped surface of the maximum excircle on the workpiece, and the workpiece is positioned through the stepped surface of the maximum excircle, so that the consistency of the machining size is ensured.
Specifically, the supporting cover 26 is fixed on the housing 22 through screw connection, the supporting cover 26 is set to be a taper structure, the outer diameter of the clamp 2 is reduced, the workpiece is matched, meanwhile, the center hole jumping of the workpiece rotation is reduced, the machining accuracy is guaranteed, the supporting cover 26 can better support the workpiece and the housing 22 through the taper structure, and stress is reduced in the machining process.
Specifically, anchor clamps 2 through the inner wall of the cover 25 that expands with closely cooperating of the outer wall of work piece, make the work piece is fixed inside anchor clamps 2, anchor clamps 2 expand tightly fixedly through the cover 25 that expands, anchor clamps 2 are installed on the machining-position station, through the centre gripping of elastic clamping jaw shell 22, anchor clamps 2 through with the terminal surface of the biggest excircle on the work piece meets and fixes a position, guarantees the uniformity of product machining size. The ladder terminal surface that reduces the axle is connected with the cooperation of anchor clamps 2, in production and processing process, can carry out terminal surface, the ladder face etc. of finish grinding processing axle before the finish machining hole, reduces the corase grind process, improves production efficiency.
Specifically, when the fixture 2 is used, the workpiece is inserted into the fixture 2 and screwed down by the support cover 26, so that the expansion sleeve 25 is expanded and fixed with the workpiece. When the expansion sleeve expands tightly, the gap between the connecting sleeve 24 and the base 21 is 3.5mm, and the value range of the gap between the expansion sleeve 25 and the workpiece is between 0.03mm and 0.05mm, so that the workpiece and the clamp 2 are tightly matched in the rotation process of the clamp 2, and the machining precision is ensured.
Furthermore, the movable center 23 is correspondingly connected with a center hole at one end of the workpiece, and the movable center 23 is abutted against the center hole, so that the runout of the center of the product is ensured to be less than or equal to 0.05mm, and the machining accuracy is ensured.
The embodiment of the invention provides a shaft finish machining clamp, an inner hole is subjected to finish turning machining through tight matching of an expansion sleeve 25 and a workpiece, the stepped surface of the workpiece is not subjected to extrusion force of the clamp 2 in the clamping process of the clamp 2, and the stepped surface of the workpiece can be subjected to finish grinding machining before finish turning machining, so that the rough grinding machining steps of the workpiece are reduced, the production efficiency is improved, and the production quality is ensured.
Example two:
fig. 5 shows a schematic structural diagram of a rotating body in an embodiment of the present invention, the shaft finishing machine includes a machine tool main body and a shaft finishing device, the shaft finishing machine is provided with the shaft finishing device, the shaft finishing device includes a rotating body 1 and a clamp 2, the rotating body 1 is fixed on the shaft processing machine, the rotating body 1 is provided with a plurality of stations, and any one of the stations is provided with the clamp 2.
Specifically, rotor 1 is round platform carousel structure, a plurality of station has been arranged to the circumference on the round platform terminal surface of rotor 1, the bottom of rotor 1 is provided with graduated disk 11, graduated disk 11 can make rotor 1 accurately rotates to suitable position on.
Further, a plurality of rotating motors are arranged on the inner circumference of the rotating part 1, the rotating motors correspond to the stations one by one, and the rotating parts are arranged on the inner circumference of the rotating part 1 in a rotating mode
Specifically, be provided with anchor clamps 2 on the station, anchor clamps 2 the axis with the round platform terminal surface that rotates 1 is perpendicular, the lathe is vertical machine tool, and occupation of land space is little, simple structure, improves production efficiency.
Specifically, the structural features and the functional functions of the clamp 2 may be described with reference to the structural features and the functional functions of the clamp 2 in the first embodiment, and are not described again.
Further, the assembly process of the fixture 2 is to match the expansion sleeve 25 with the outer shell 22, so that the outer wall of the expansion sleeve 25 is connected with the inner wall of the outer shell 22, the screw connection hole 223 on the outer shell 22 is correspondingly connected with the matching hole 251 on the outer wall of the expansion sleeve 25, the outer shell 22 and the expansion sleeve 25 are fixedly connected through an anti-rotation screw, the connection sleeve 24 is matched with the connection sleeve installation cavity 222 on the outer shell 22, and the threaded connection portion 241 of the connection sleeve 24 is fixedly connected with the expansion sleeve 25 in a threaded manner.
The base 21 is matched and connected with the base installation cavity 221 of the shell 22, the live center 23 on the base 21 is matched and connected with the central sleeve hole 242 of the connecting sleeve 24, and the base 21 and the shell 22 are fixedly connected through screws. And (3) matching and connecting the supporting cover 26 with the other end of the shell 22, and fixing by using a screw to complete the assembly of the clamp 2.
Further, when a workpiece is mounted on the fixture 2, the workpiece extends into the fixture 2 from the connecting through hole 261 of the supporting cover 26, and the supporting cover 26 and the connecting screw of the housing 22 are tightened, so that the expansion sleeve 25 is tightly matched with the workpiece, the supporting cover 26 is connected with the step surface of the maximum excircle on the workpiece for processing and positioning the workpiece, the movable center 23 is correspondingly connected with the central hole of the workpiece, the center jump of the workpiece is controlled, and the processing accuracy is ensured.
The embodiment of the invention provides a shaft finish machining fixture and a shaft machining tool, wherein the shaft finish machining fixture is provided with an expansion sleeve 25 and a movable center 23, the expansion sleeve 25 is tightly matched with a workpiece to clamp the workpiece, the movable center 23 is used for centering the workpiece, a supporting cover 26 is arranged to be connected with a stepped surface of the maximum excircle of the workpiece to position the workpiece, the requirement of centering positioning is met in the clamping process, the workpiece cannot be abraded, and the production efficiency is improved.
In addition, the above detailed description is made on the shaft finishing fixture and the shaft processing machine tool provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A shaft finish machining clamp is characterized by comprising a base, a shell, a connecting sleeve, an expansion sleeve and a supporting cover;
a base mounting cavity, a connecting sleeve mounting cavity and an expansion sleeve mounting cavity are sequentially formed at one end of the shell, the expansion sleeve is accommodated in the expansion sleeve mounting cavity, and the connecting sleeve is mounted in the connecting sleeve mounting cavity;
one end of the expansion sleeve is connected with the connecting sleeve in a matching way, the other end of the expansion sleeve is arranged on the other end port of the shell, and the support cover is fixed on the other end port of the shell;
the base is fixed in the base installation cavity, and one end of the base is connected with the connecting sleeve.
2. The shaft finishing fixture of claim 1, wherein a live center mounting groove is provided in the base, and a live center is fixed in the live center mounting groove.
3. The shaft finishing fixture according to claim 2, wherein a lower pull rod is further disposed in the live center mounting groove, one end of the live center is fixed to the lower pull rod, and the other end of the live center extends out of the base.
4. The shaft finishing fixture of claim 2, wherein a tip cap is disposed on said base, said tip cap overlying said live tip.
5. The shaft finishing jig of claim 1, wherein a threaded connection is provided on the connection sleeve, the threaded connection having an internal thread;
one end of the expansion sleeve is provided with an external thread, and the external thread is connected with the internal thread in a matching manner.
6. The shaft finishing fixture of claim 5, wherein a spring is disposed within said tip cap, said spring having one end secured to said live tip and another end secured to said base.
7. The shaft finishing jig of claim 1, wherein a screw connection hole is formed in the wall of the housing, a mating hole is formed in the outer wall of the expansion sleeve, and the screw connection hole is correspondingly connected to the mating hole;
the shell and the expansion sleeve are fixedly connected through an anti-rotation screw.
8. The shaft finishing jig of claim 1, wherein the support cover is fixed to the other end of the housing, and the support cover is provided with a connecting through-hole. The step surfaces of the maximum excircle of the end face workpiece of the connecting through hole are connected.
9. The shaft processing machine tool is characterized by comprising a shaft processing and clamping device, wherein the shaft processing and clamping device is provided with a rotating body, and the rotating body is provided with a plurality of stations;
any one of the plurality of stations is provided with a shaft finishing jig as claimed in any one of claims 1 to 8.
10. The shaft processing machine tool as defined in claim 9, wherein said rotor is of cylindrical configuration, and said plurality of stations are circumferentially disposed on a circumferential side wall of said rotor or said plurality of stations are circumferentially disposed on an upper end surface of said rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548076.4A CN114227331B (en) | 2021-12-15 | 2021-12-15 | Shaft finish machining fixture and shaft machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548076.4A CN114227331B (en) | 2021-12-15 | 2021-12-15 | Shaft finish machining fixture and shaft machining machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN114227331A true CN114227331A (en) | 2022-03-25 |
| CN114227331B CN114227331B (en) | 2024-03-15 |
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| CN202111548076.4A Active CN114227331B (en) | 2021-12-15 | 2021-12-15 | Shaft finish machining fixture and shaft machining machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728135A (en) * | 2023-07-13 | 2023-09-12 | 森泰英格（成都）数控刀具股份有限公司 | Combined finish machining fixture system for inner hole of aircraft fuel nozzle and finish machining method thereof |
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| CN207629326U (en) * | 2017-11-27 | 2018-07-20 | 格特拉克（江西）传动***有限公司 | A kind of adjustable quick change tool structure of axis class gear shaping |
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| CN208132136U (en) * | 2018-05-03 | 2018-11-23 | 重庆金泰齿轮有限公司 | A kind of mill axis tooth clamper |
| CN209157310U (en) * | 2018-12-03 | 2019-07-26 | 浙江巨跃齿轮有限公司 | A kind of gear grinding clamp |
| CN212794540U (en) * | 2020-07-07 | 2021-03-26 | 扬州璟晟鑫机械工程科技有限公司 | Convenient novel thimble |
| JP2021079492A (en) * | 2019-11-20 | 2021-05-27 | ジヤトコ株式会社 | Workpiece fixing jig |
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| CN202741755U (en) * | 2012-06-01 | 2013-02-20 | 内蒙古北方重型汽车股份有限公司 | Tip center drill |
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| CN103894683A (en) * | 2014-03-04 | 2014-07-02 | 秦宗正 | Hobbing clamp for machining shaft gear |
| CN106808031A (en) * | 2017-02-28 | 2017-06-09 | 西安法士特汽车传动有限公司 | A kind of high accuracy quick change axle gear grinding clamp |
| CN207508448U (en) * | 2017-11-15 | 2018-06-19 | 巴中渝翔机械制造有限公司 | A kind of adjustable axle gear hobbing tooling fixture |
| CN207629326U (en) * | 2017-11-27 | 2018-07-20 | 格特拉克（江西）传动***有限公司 | A kind of adjustable quick change tool structure of axis class gear shaping |
| CN108326556A (en) * | 2018-04-18 | 2018-07-27 | 驭孚智能科技（上海）有限公司 | A kind of automatic special machine tool of multi-station turning formula |
| CN208132136U (en) * | 2018-05-03 | 2018-11-23 | 重庆金泰齿轮有限公司 | A kind of mill axis tooth clamper |
| CN209157310U (en) * | 2018-12-03 | 2019-07-26 | 浙江巨跃齿轮有限公司 | A kind of gear grinding clamp |
| JP2021079492A (en) * | 2019-11-20 | 2021-05-27 | ジヤトコ株式会社 | Workpiece fixing jig |
| CN212794540U (en) * | 2020-07-07 | 2021-03-26 | 扬州璟晟鑫机械工程科技有限公司 | Convenient novel thimble |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116728135A (en) * | 2023-07-13 | 2023-09-12 | 森泰英格（成都）数控刀具股份有限公司 | Combined finish machining fixture system for inner hole of aircraft fuel nozzle and finish machining method thereof |
| CN116728135B (en) * | 2023-07-13 | 2024-03-12 | 森泰英格（成都）数控刀具股份有限公司 | Combined finish machining fixture system for inner hole of aircraft fuel nozzle and finish machining method thereof |
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