CN214264693U - Fixing device is used in processing of car ring gear hole - Google Patents
Fixing device is used in processing of car ring gear hole Download PDFInfo
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- CN214264693U CN214264693U CN202023261141.9U CN202023261141U CN214264693U CN 214264693 U CN214264693 U CN 214264693U CN 202023261141 U CN202023261141 U CN 202023261141U CN 214264693 U CN214264693 U CN 214264693U
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Abstract
The utility model discloses a fixing device for processing inner holes of automobile gear rings, which comprises a pressing seat, a gear ring fixing disk, an end face fixing mechanism and a radial fixing mechanism, wherein the end face fixing mechanism and the radial fixing mechanism are arranged between the pressing seat and the gear ring fixing disk, and the automobile gear rings are fixed on the other side of the gear ring fixing disk through the end face fixing mechanism and the radial fixing mechanism; the end face fixing mechanism comprises end face pressing discs and end face fixing frames fixed on the outer circumferences of the end face pressing discs, the number of the end face fixing frames is at least 2, pressing bolts are arranged on the end face fixing frames, and one ends of the pressing bolts penetrate through the end face fixing frames and the first sliding grooves and are provided with pressing blocks; the radial fixing mechanism comprises a self-centering chuck and a positioning soft claw fixed on the self-centering chuck. The device passes through the terminal surface of the fixed ring gear of terminal surface fixed establishment, through the circumference of radial fixed establishment fixed ring gear, and fixed position is adjustable, is applicable to the ring gear of multiple model fixed.
Description
Technical Field
The utility model relates to a ring gear processing technology field, concretely relates to fixing device is used in processing of car ring gear hole.
Background
The automobile flywheel gear ring is embedded on the outer edge of the flywheel after being heated, and is fastened on the outer edge of the flywheel after being cooled, and is used for being meshed with a starter gear to drive a crankshaft to rotate and start an engine, and the automobile flywheel gear ring is a main transmission mechanism. When an inner hole of an automobile gear ring is machined, the inner hole needs to be clamped and positioned, the conventional fixing device cannot be suitable for gear rings with various models and sizes, the clamping force of the thin-wall gear ring is insufficient, and the gear ring can slide or jump in the machining process to influence the machining precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixing device is used in processing of car ring gear hole, through the terminal surface of the fixed ring gear of terminal surface fixed establishment, through the circumference of the fixed ring gear of radial fixed establishment, and fixed position is adjustable, and the ring gear that is applicable to multiple model is fixed.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a fixing device for processing an inner hole of an automobile gear ring is used for fixing the automobile gear ring and comprises a pressing seat, a gear ring fixing disk, an end face fixing mechanism and a radial fixing mechanism, wherein the end face fixing mechanism and the radial fixing mechanism are arranged between the pressing seat and the gear ring fixing disk, and the automobile gear ring is fixed on the other side of the gear ring fixing disk through the end face fixing mechanism and the radial fixing mechanism;
the pressing seat comprises at least 2 pressing sealing covers and arc supports, one ends of the arc supports are fixedly connected with the pressing sealing covers, and the other ends of the arc supports are fixedly connected with the gear ring fixing disc through bolts;
the inner ring of the gear ring fixing disc is provided with a circular groove surrounding the circle center, the outer ring of the gear ring fixing disc is provided with a first sliding chute and a second sliding chute which are arranged along the radial direction around the circular groove, and the first sliding chute and the second sliding chute are distributed at intervals;
the end face fixing mechanism comprises an end face pressing disc and an end face fixing frame fixed on the outer circumference of the end face pressing disc, at least 2 end face fixing frames are arranged, pressing bolts are arranged on the end face fixing frames, one ends of the pressing bolts penetrate through the end face fixing frame and the first sliding groove to be provided with pressing blocks, and the end face of the automobile gear ring is fixed by the pressing blocks;
the radial fixing mechanism comprises a self-centering chuck and positioning soft claws fixed on the self-centering chuck, the positioning soft claws are arranged at least 2, and the circumference of the automobile gear ring is fixed by the positioning soft claws.
Preferably, the end face fixing frame is provided with a long hole matched with the first sliding groove.
Preferably, from centering chuck includes chuck apron, chuck base, jack catch, chuck apron buckle is on the chuck base, the chuck base sets up in the circular recess of ring gear fixed disk, the jack catch sets up 2 at least, the soft claw in location is fixed on the jack catch, be provided with the jack catch hole on the chuck base, the jack catch stretches out outside the jack catch hole, the medial surface of chuck apron is provided with Archimedes spiral track, be provided with the arc wall with Archimedes spiral track matched with on the jack catch.
Preferably, one end of the clamping jaw extending out of the clamping jaw hole is provided with a layer of step, the step is matched with the second sliding groove, the bottom of the step is provided with a plurality of mounting holes for fixing and positioning the soft jaws, and the mounting holes are distributed along the length direction of the clamping jaw.
Preferably, a deflector rod is arranged on the outer circumference of the chuck cover plate.
Preferably, spacing holes are formed between the arc supports of the pressing seat, and the end face fixing frame, the clamping jaw and the shifting lever extend out of the spacing holes of the pressing seat.
Preferably, the telescopic device further comprises a telescopic cylinder, the telescopic cylinder is fixed on one side, away from the gear ring fixing disc, of the pressing seat, and one end of a piston rod of the telescopic cylinder penetrates through the pressing sealing cover and is fixedly connected with the end face pressing disc.
The utility model has the advantages that:
(1) the fixing device fixes the end face of the gear ring through the end face fixing mechanism, fixes the circumference of the gear ring through the radial fixing mechanism, is adjustable in fixing position, is suitable for fixing various types of gear rings, doubly fixes the end face and the circumference of the gear ring, and is strong in clamping force;
(2) the radial fixing mechanism of the gear ring adopts the positioning soft claw, and can be matched with the deformation generated during the processing of the inner hole of the gear ring, so as to prevent the ovality of the gear ring from being influenced;
(3) the radial fixing mechanism of the gear ring adopts a self-centering chuck, so that the center of the gear ring can be conveniently aligned and fixed.
Drawings
In order to 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the compression seat;
FIG. 3 is a schematic structural view of a ring gear fixing disk;
FIG. 4 is a schematic structural view of the end face securing mechanism;
FIG. 5 is a schematic view of the radial securement mechanism;
FIG. 6 is a schematic view of the internal structure of the radial securing mechanism (with the chuck base removed);
FIG. 7 is a schematic view of the jaw configuration;
fig. 8 is a side view of fig. 1.
Wherein, 1, a pressing seat; 11. pressing the seal cover; 12. arc-shaped support; 2. a gear ring fixing disc; 21. a circular groove; 22. a first chute; 23. a second chute; 3. an end face fixing mechanism; 31. an end face compression disc; 32. an end face fixing frame; 33. a hold-down bolt; 34. a compression block; 4. a radial fixing mechanism; 41. positioning the soft claws; 42. a chuck cover plate; 43. a chuck base; 44. a claw; 45. a deflector rod; 46. an archimedes helical track; 47. an arc-shaped slot; 48. a step; 49. mounting holes; 5. a piston rod.
Detailed Description
The utility model provides a fixing device is used in processing of car ring gear hole, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings:
example 1
Referring to fig. 1, a fixing device is used in processing of automobile gear ring inner hole for fixing an automobile gear ring, and comprises a pressing seat 1, a gear ring fixing disk 2, an end face fixing mechanism 3 and a radial fixing mechanism 4, wherein the end face fixing mechanism 3 and the radial fixing mechanism 4 are arranged between the pressing seat 1 and the gear ring fixing disk 2, and the automobile gear ring is fixed on the other side of the gear ring fixing disk 2 through the end face fixing mechanism 3 and the radial fixing mechanism 4.
Referring to fig. 2, pressing seat 1 including compressing tightly closing cap 11 and arc and supporting 12, arc supports 12 and sets up 3, and the one end that the arc supported 12 with compress tightly closing cap 11 and pass through bolt fixed connection or weld as an organic whole through the welding mode, the arc supports 12 other ends and passes through bolt fixed connection with ring gear fixed disk 2.
Referring to fig. 3, the inner ring of the gear ring fixing disk 2 is provided with a circular groove 21 surrounding the center of a circle, the outer circumference of the circular groove 21 is provided with a plurality of bolt holes, the arc support 12 of the pressing seat 1 is fixed with the gear ring fixing disk 2 through bolts and the bolt holes around the circular groove 21, in addition, the outer ring of the gear ring fixing disk 2 is provided with a first sliding groove 22 and a second sliding groove 23 along the radial direction around the circular groove 21, and the first sliding groove 22 and the second sliding groove 23 are all provided with 3 and are distributed at intervals.
Referring to fig. 4, the end face fixing mechanism 3 includes an end face pressing disk 31 and an end face fixing frame 32 fixed on the outer circumference of the end face pressing disk 31, the number of the end face fixing frames 32 is 3, a long hole matched with the first sliding groove 22 is formed in the end face fixing frame 32, a pressing bolt 33 is arranged on the end face fixing frame 32, one end of the pressing bolt 33 penetrates through the long hole of the end face fixing frame 32 and the first sliding groove 22 and is provided with a pressing block 34, the other end of the pressing bolt 33 is fastened with the end face fixing frame 32 through a nut, and the end face of the automobile gear ring is.
Referring to fig. 5, radial fixed establishment 4 is including from the centering chuck and fixing the soft claw 41 of location on the centering chuck, the soft claw 41 of location sets up 3, from the centering chuck including chuck apron 42, chuck base 43, jack catch 44, chuck apron 42 buckle is on chuck base 43, chuck base 43 sets up in the circular recess 21 of ring gear fixed disk 2, be provided with driving lever 45 on the outer circumference of chuck apron 42, jack catch 44 sets up 3, the soft claw 41 of location is fixed on jack catch 44, be provided with the jack catch hole on chuck base 43, jack catch 44 stretches out outside the jack catch hole. Referring to fig. 6, an archimedes spiral track 46 is arranged on the inner side surface of the chuck cover plate 42, an arc-shaped groove 47 matched with the archimedes spiral track 46 is arranged on the clamping jaw 44, the size of a ring formed by 3 positioning soft jaws 41 can be finely adjusted by rotating the deflector rod 45, and the positioning soft jaws 41 on the clamping jaw 44 can be guaranteed to keep concentric in the rotating process.
Referring to fig. 7, a step 48 is arranged at one end of the clamping jaw 44 extending out of the clamping jaw hole, the second sliding groove 23 is an inverted convex groove, so that the step 48 is matched with the second sliding groove 23, a plurality of mounting holes 49 are formed in the bottom of the step 48, the mounting holes 49 are distributed along the length direction of the clamping jaw 44, the positioning soft jaw 41 is arc-shaped, a fixing block is fixed in the middle of the positioning soft jaw 41, and the positioning soft jaw 41 is fixed on the mounting hole 49 through the fixing block and a bolt.
Referring to fig. 1 and 2, spacing holes are formed between the arc supports 12 of the pressing base 1, and the end surface fixing frame 32, the clamping jaws 44 and the shifting lever 45 all extend out of the spacing holes of the pressing base 1.
In addition, in this embodiment, the gear ring is further pressed against the gear ring fixing disk 2 by the pressing block 34 through the telescopic cylinder, the telescopic cylinder may adopt a hydraulic cylinder or an air cylinder, the telescopic cylinder is fixed on one side of the pressing seat 1 away from the gear ring fixing disk 2, one end of the piston rod 5 of the telescopic cylinder penetrates through the pressing cover 11 and is fixedly connected with the end face pressing disk 31, and when the gear ring is fixed, the piston rod 5 of the telescopic cylinder contracts to drive the end face pressing disk 31 to move towards the pressing cover 11, so that the pressing block 34 presses and fixes the gear ring on the gear ring fixing disk 2.
Referring to fig. 8, the operation process of the fixing device for machining the inner hole of the automobile gear ring provided by the embodiment is as follows:
(1) adjusting the mounting positions of the positioning soft claws 41 on the clamping jaws 44 according to the size of the gear ring to be machined, respectively mounting 3 positioning soft claws 41 on mounting holes 49 at the same positions on the clamping jaws 44, and adjusting the position of the compression bolt 33 on the end face fixing frame 32 to enable the diameter of a circle formed by the 3 positioning soft claws 41 and the compression bolt 33 to be slightly larger than the excircle of the gear ring to be machined;
(2) the gear ring to be processed is tightly attached to the gear ring fixing disc 2, the deflector rod 45 is rotated to finely adjust the positioning soft claw 41, the gear ring to be processed is radially fixed, and the gear ring to be processed can be fixed at the central position on the gear ring fixing disc 2 through the positioning soft claw 41, so that the gear ring to be processed is concentric with the gear ring fixing disc 2;
(3) the pressing bolt 33 is adjusted to move towards the circumferential direction of the gear ring to be processed, the pressing block 34 can press the outer circumference of the gear ring to be processed, then the telescopic cylinder is started to enable the piston rod to contract to drive the end face pressing disc 31 to move towards the pressing sealing cover 11, and the pressing block 34 enables the gear ring to be pressed and fixed on the gear ring fixing disc 2.
In the description of the present invention, it is to be understood that the terms "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (7)
1. A fixing device for processing an inner hole of an automobile gear ring is used for fixing the automobile gear ring and is characterized by comprising a pressing seat, a gear ring fixing disk, an end face fixing mechanism and a radial fixing mechanism, wherein the end face fixing mechanism and the radial fixing mechanism are arranged between the pressing seat and the gear ring fixing disk;
the pressing seat comprises at least 2 pressing sealing covers and arc supports, one ends of the arc supports are fixedly connected with the pressing sealing covers, and the other ends of the arc supports are fixedly connected with the gear ring fixing disc;
the inner ring of the gear ring fixing disc is provided with a circular groove surrounding the circle center, the outer ring of the gear ring fixing disc is provided with a first sliding chute and a second sliding chute which are arranged along the radial direction around the circular groove, and the first sliding chute and the second sliding chute are distributed at intervals;
the end face fixing mechanism comprises end face pressing discs and end face fixing frames fixed on the outer circumferences of the end face pressing discs, the number of the end face fixing frames is at least 2, pressing bolts are arranged on the end face fixing frames, and one ends of the pressing bolts penetrate through the end face fixing frames and the first sliding grooves and are provided with pressing blocks;
radial fixed establishment is including from the centering chuck and fix the soft claw of location on the centering chuck, the soft claw of location sets up 2 at least.
2. The fixing device for machining the inner hole of the automobile gear ring is characterized in that a long hole matched with the first sliding groove is formed in the end face fixing frame.
3. The fixing device for machining the inner hole of the automobile gear ring is characterized in that the self-centering chuck comprises a chuck cover plate, a chuck base and clamping jaws, the chuck cover plate is buckled on the chuck base, the chuck base is arranged in a circular groove of a gear ring fixing disc, the clamping jaws are arranged at least 2, the positioning soft jaws are fixed on the clamping jaws, clamping jaw holes are formed in the chuck base, the clamping jaws extend out of the clamping jaw holes, Archimedes spiral rails are arranged on the inner side face of the chuck cover plate, and arc-shaped grooves matched with the Archimedes spiral rails are formed in the clamping jaws.
4. The fixing device for machining the inner hole of the automobile gear ring is characterized in that a layer of step is arranged at one end, extending out of the clamping jaw hole, of the clamping jaw, the step is matched with the second sliding groove, a plurality of mounting holes for fixing and positioning the soft jaw are formed in the bottom of the step, and the mounting holes are distributed along the length direction of the clamping jaw.
5. The fixing device for machining the inner hole of the automobile gear ring is characterized in that a driving lever is arranged on the outer circumference of the chuck cover plate.
6. The fixing device for machining the inner hole of the automobile gear ring is characterized in that spacing holes are formed among the arc supports of the pressing seat, and the end face fixing frame, the clamping jaws and the shifting rod extend out of the spacing holes of the pressing seat.
7. The fixing device for machining the inner hole of the automobile gear ring is characterized by further comprising a telescopic cylinder, wherein the telescopic cylinder is fixed on one side, away from the gear ring fixing disc, of the pressing seat, and one end of a piston rod of the telescopic cylinder penetrates through the pressing sealing cover and is fixedly connected with the end face pressing disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023261141.9U CN214264693U (en) | 2020-12-30 | 2020-12-30 | Fixing device is used in processing of car ring gear hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023261141.9U CN214264693U (en) | 2020-12-30 | 2020-12-30 | Fixing device is used in processing of car ring gear hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214264693U true CN214264693U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023261141.9U Active CN214264693U (en) | 2020-12-30 | 2020-12-30 | Fixing device is used in processing of car ring gear hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214264693U (en) |
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2020
- 2020-12-30 CN CN202023261141.9U patent/CN214264693U/en active Active
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