CN213672884U - Clamp for machining gear sleeve shifting fork groove - Google Patents
Clamp for machining gear sleeve shifting fork groove Download PDFInfo
- Publication number
- CN213672884U CN213672884U CN202022379997.XU CN202022379997U CN213672884U CN 213672884 U CN213672884 U CN 213672884U CN 202022379997 U CN202022379997 U CN 202022379997U CN 213672884 U CN213672884 U CN 213672884U
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- China
- Prior art keywords
- gear sleeve
- fork groove
- shifting fork
- piece
- positioning
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Abstract
The utility model discloses an anchor clamps are used in processing of tooth cover shifting fork groove relates to anchor clamps technical field, include: the positioning piece is used for mounting the gear sleeve, an external spline matched with the internal spline of the gear sleeve is arranged on the outer peripheral wall of the positioning piece, and a connecting shaft is arranged at one end of the positioning piece; the clamping piece, set up the mounting hole with connecting axle looks adaptation on the lateral wall that the clamping piece is close to the setting element, the clamping piece is established on the connecting axle and can be pressed from both sides tight gear sleeve through mounting hole and connecting axle cooperation cover. The beneficial effects of the utility model are that be favorable to guaranteeing the axiality at the both ends face depth of parallelism, the shifting fork groove tank bottom and the internal spline center of the two sides in shifting fork groove and tooth cover, simple structure, convenient to use, the clamping is efficient.
Description
Technical Field
The utility model relates to an anchor clamps technical field, concretely relates to anchor clamps are used in processing of tooth cover shifting fork groove.
Background
The automobile synchronizer gear shifting not only has the advantages of light gear shifting, impact avoidance, noise elimination, prolonged service life of gears and the like, but also can quickly shift gears, improve the dynamic property, the economical efficiency and the safety of automobiles, so that the gear shifting mechanism of modern automobiles, particularly saloon cars, almost adopts the device.
The automobile synchronizer mainly comprises a gear sleeve, a gear hub, a synchronous lock ring and the like, and is characterized in that synchronization is realized by means of friction. As shown in figure 1, the gear sleeve of the synchronizer is provided with a shifting fork groove, the gear sleeve of the automobile synchronizer needs to be connected through a shifting fork when working, so that the inverted cone teeth of the gear sleeve of the synchronizer are meshed with the gear teeth of each gear, each gear tooth moves along with a driving shaft together, the shifting fork controls the connection of the synchronizer and other gears through the shifting fork groove on the gear sleeve of the synchronizer, and the shifting fork groove needs to be shifted through the shifting fork when the synchronizer shifts gears, so the working stability of the synchronizer is directly influenced by the precision of the shifting fork groove.
In the prior art, the shifting fork groove is usually finished by turning, but because the gear sleeve belongs to a thin-wall workpiece, when the shifting fork groove is machined on the gear sleeve, a traditional lathe turning fixture cannot be adopted, so that the workpiece is prevented from being damaged by clamping. In the prior art, a spline of a gear sleeve is clamped by a three-jaw clamp, but the three-jaw clamp is easy to clamp partially, so that the machining precision of a shifting fork groove is influenced, and the requirement on the machining precision of the shifting fork groove is difficult to guarantee by a clamp in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a anchor clamps are used in tooth cover shifting fork groove processing.
The technical solution of the utility model is as follows:
anchor clamps are used in processing of tooth cover shifting fork groove includes:
the positioning piece is used for mounting the gear sleeve, an external spline matched with the internal spline of the gear sleeve is arranged on the outer peripheral wall of the positioning piece, and a connecting shaft is arranged at one end of the positioning piece;
the clamping piece, set up the mounting hole with connecting axle looks adaptation on the lateral wall that the clamping piece is close to the setting element, the clamping piece is established on the connecting axle and can be pressed from both sides tight gear sleeve through mounting hole and connecting axle cooperation cover.
Furthermore, a first clamping hole matched with the tip of the machine tool is formed in the side wall, far away from the positioning piece, of the clamping piece.
Furthermore, a second clamping hole matched with the top of the machine tool is formed in the side wall, far away from the clamping piece, of the positioning piece.
Further, the setting element includes along length direction interconnect's base and positioning seat, the base is greater than the size of positioning seat in width direction at width direction's size at the positioning seat in width direction's size, the external splines set up on the periphery wall of positioning seat, the connecting axle sets up the one side of keeping away from the base at the positioning seat along length direction.
Further, the base, the positioning seat and the connecting shaft are of an integral structure.
Further, the clamping piece comprises a cover plate and a sleeve which are connected with each other along the length direction, the cover plate is located between the positioning piece and the sleeve, and the mounting hole is formed in the centers of the cover plate and the sleeve.
Further, the cover plate and the sleeve are of an integrated structure.
The utility model has at least one of the following beneficial effects
The invention can install the gear sleeve by matching the external spline on the clamp with the internal spline on the gear sleeve, and avoid the gear sleeve from rotating or moving laterally by matching the external spline with the internal spline, then the gear sleeve is clamped through the base and the cover plate, so that the gear sleeve is prevented from moving transversely, and the shifting fork groove on the peripheral wall of the gear sleeve is convenient to process, the clamp in the embodiment can clamp the gear sleeve, the gear sleeve is prevented from rotating, moving transversely and laterally, the processing precision of the shifting fork groove is improved, the parallelism between two surfaces of the shifting fork groove and two end surfaces of the gear sleeve is favorably ensured, and because the internal spline on the gear sleeve is processed firstly and then the shifting fork groove is processed, the coaxiality of the bottom of the shifting fork groove and the center of the internal spline is favorably ensured, the clamp has simple structure and convenient use, and apron and sleeve structure as an organic whole, the cover is established on the connecting axle, and threaded connection's not, can improve clamping efficiency.
Drawings
FIG. 1 is a schematic structural view of a gear sleeve in a preferred embodiment of the present invention;
FIG. 2 is a first schematic structural view of a clamp according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural diagram II of the clamp according to the preferred embodiment of the present invention;
FIG. 4 is a schematic view of the clamp and the gear sleeve after assembly in the preferred embodiment of the present invention;
the following are marked in the figure: 1. a gear sleeve; 11. a shift fork groove; 12. an internal spline; 2. a positioning member; 21. a base; 22. positioning seats; 23. a connecting shaft; 24. an external spline; 25. a second card hole; 3. a clamping member; 31. a cover plate; 32. a sleeve; 33. mounting holes; 34. a first card hole.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, but the present invention is not limited to the following specific examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, a gear sleeve on an automobile synchronizer is provided, an internal spline 12 is provided on an inner peripheral wall of the gear sleeve 1, a shift fork groove 11 is provided on an outer peripheral wall, the shift fork groove 11 is usually completed by turning, in order to process the shift fork groove 11, a fixture is first adopted to fixedly clamp the gear sleeve 1, and the gear sleeve 1 is prevented from rotating or moving during processing, which leads to the influence on processing precision, and therefore, the present embodiment provides a fixture for fixedly clamping the gear sleeve.
As shown in fig. 2 to 4, the fixture for machining the shifting fork groove of the gear sleeve in the embodiment includes a positioning member 2 and a clamping member 3, the positioning member 2 is used for positioning and mounting the gear sleeve 1, and the clamping member 3 is used for clamping the gear sleeve 1.
The outer peripheral wall of the positioning piece 2 is provided with an external spline 24 matched with the internal spline of the gear sleeve 1, so that the gear sleeve 1 is installed on the positioning piece 2 through the matching of the internal spline 12 and the external spline 24, in this embodiment, the positioning piece 2 comprises a base 21, a positioning seat 22 and a connecting shaft 23 which are connected with each other along the length direction, the size of the base 21 in the width direction is larger than that of the positioning seat 22 in the width direction, the length direction is the left-right direction of fig. 2, and the width direction is the front-back direction of fig. 2; the external splines 24 are arranged on the peripheral wall of the positioning seat 22, so that the gear sleeve 1 is mounted on the positioning seat 22; in this embodiment, the base 21, the positioning seat 22 and the connecting shaft 23 are all cylindrical, and the outer diameter of the base 21 is larger than that of the positioning seat 22, so that the gear sleeve 1 cannot fall off from one end of the positioning seat 22 close to the base 21; the connecting shaft 23 is arranged on one side of the positioning seat 22 far away from the base 21, the positioning seat 22 and the connecting shaft 23 are concentrically arranged, and the outer diameter of the connecting shaft 23 is smaller than that of the positioning seat 22. In this embodiment, the base 21, the positioning seat 22 and the connecting shaft 23 are an integral structure.
The clamping piece 3 is close to and has seted up the mounting hole 33 with connecting axle 23 looks adaptation on the lateral wall of setting element 2, the clamping piece 3 is established on connecting axle 23 and can presss from both sides tight tooth cover 1 through mounting hole 33 and connecting axle 23 cooperation cover, in this embodiment, clamping piece 3 includes along length direction interconnect's apron 31 and sleeve 32, apron 31 is located between setting element 2 and the sleeve 32, mounting hole 33 sets up the center at apron 31 and sleeve 32. In this embodiment, the clamping member 3 includes a cover plate 31 and a sleeve 32 that are connected to each other along the length direction, the cover plate 31 is located between the positioning member 2 and the sleeve 32, and the outer diameter of the cover plate 31 is greater than the inner diameter of the gear sleeve 1, so that the cover plate 31 can contact the gear sleeve 1 and clamp the gear sleeve 1, the mounting hole 33 is disposed at the centers of the cover plate 31 and the sleeve 32, and the mounting hole 33 is disposed concentrically with the connecting shaft 23. In this embodiment, the cover plate 31 and the sleeve 32 are of an integral structure.
The clamping part 3 is far away from and is seted up the first card hole 34 with the top looks adaptation of lathe on the lateral wall of setting element 2, set up the second card hole 25 with the top looks adaptation of lathe on the lateral wall of setting element 2 far away from clamping part 3, thereby the top through the lathe both ends respectively with first card hole 34 and the cooperation of second card hole 25 withhold the both ends of this anchor clamps to can press from both sides tight anchor clamps and tooth cover 1, in order to avoid man-hour, anchor clamps and tooth cover 1 activity. In this embodiment, the first fastening hole 34 is disposed on a side wall of the sleeve 32 away from the cover plate 31, and the second fastening hole 25 is disposed on a side wall of the base 21 away from the positioning seat 22.
This embodiment is through outer spline 24 on the anchor clamps and the internal spline 12 looks adaptation on the tooth cover 1 to can install tooth cover 1 and through the cooperation of outer spline 24 with internal spline 12, avoid tooth cover 1 to rotate or lateral shifting, then press from both sides tight tooth cover 1 through base 21 and apron 31, avoid tooth cover 1 lateral shifting, thereby be convenient for process the declutch shift groove 11 on the tooth cover 1 periphery wall. The fixture in the embodiment can clamp the gear sleeve 1 tightly, the gear sleeve 1 is prevented from rotating, moving transversely and laterally, the machining precision of the shifting fork groove 11 is improved, the parallelism of the two surfaces of the shifting fork groove 11 and the two end surfaces of the gear sleeve 1 is guaranteed, the internal spline 12 on the gear sleeve 1 is machined firstly, the shifting fork groove 11 is machined, the coaxiality of the bottom of the shifting fork groove 11 and the center of the internal spline 12 is guaranteed, the fixture in the embodiment is simple in structure and convenient to use, the cover plate 31 and the sleeve 32 are of an integrated structure, the cover is arranged on the connecting shaft 23, the non-threaded connection is achieved, and the clamping efficiency can be improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. Anchor clamps are used in processing of tooth cover shifting fork groove, its characterized in that includes:
the positioning piece (2) is used for installing the gear sleeve (1), an external spline (24) matched with the internal spline (12) on the gear sleeve (1) is arranged on the outer peripheral wall of the positioning piece (2), and a connecting shaft (23) is arranged at one end of the positioning piece (2);
clamping piece (3), set up mounting hole (33) with connecting axle (23) looks adaptation on the lateral wall that clamping piece (3) are close to setting element (2), clamping piece (3) are established on connecting axle (23) and can press from both sides tight tooth cover (1) through mounting hole (33) and connecting axle (23) cooperation cover.
2. The clamp for machining the shifting fork groove of the gear sleeve according to claim 1, wherein a first clamping hole (34) matched with a machine tool tip is formed in the side wall, away from the positioning piece (2), of the clamping piece (3).
3. The clamp for machining the shifting fork groove of the gear sleeve according to claim 1, wherein a second clamping hole (25) matched with a machine tool tip is formed in the side wall, away from the clamping piece (3), of the positioning piece (2).
4. The fixture for machining the shifting fork groove of the gear sleeve according to claim 1, wherein the positioning piece (2) comprises a base (21) and a positioning seat (22) which are connected with each other along the length direction, the size of the base (21) in the width direction is larger than that of the positioning seat (22) in the width direction, the external splines (24) are arranged on the peripheral wall of the positioning seat (22), and the connecting shaft (23) is arranged on one side, away from the base (21), of the positioning seat (22) along the length direction.
5. The jig for machining a shift fork groove of a gear sleeve according to claim 4, wherein the base (21), the positioning seat (22), and the connecting shaft (23) are of an integral structure.
6. The jig for processing a skewer groove of a gear set according to claim 1, wherein the clamping member (3) comprises a cover plate (31) and a sleeve (32) which are connected to each other in a length direction, the cover plate (31) is located between the positioning member (2) and the sleeve (32), and the mounting hole (33) is provided in the center of the cover plate (31) and the sleeve (32).
7. The jig for machining a shift fork groove of a gear sleeve according to claim 1, wherein the cover plate (31) and the sleeve (32) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379997.XU CN213672884U (en) | 2020-10-23 | 2020-10-23 | Clamp for machining gear sleeve shifting fork groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379997.XU CN213672884U (en) | 2020-10-23 | 2020-10-23 | Clamp for machining gear sleeve shifting fork groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213672884U true CN213672884U (en) | 2021-07-13 |
Family
ID=76759366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022379997.XU Expired - Fee Related CN213672884U (en) | 2020-10-23 | 2020-10-23 | Clamp for machining gear sleeve shifting fork groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213672884U (en) |
-
2020
- 2020-10-23 CN CN202022379997.XU patent/CN213672884U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 Termination date: 20211023 |