CN215238356U

CN215238356U - Positioning fixture for shaft sleeve machining

Info

Publication number: CN215238356U
Application number: CN202120098120.5U
Authority: CN
Inventors: 胡能达
Original assignee: Chongqing Shenghua Technology Co Ltd
Current assignee: Chongqing Shenghua Technology Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-21
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to the technical field of shaft sleeve processing, and discloses a positioning clamp for shaft sleeve processing, which comprises a positioning base, wherein the bottom of the positioning base is arranged in a through manner, the bottom wall of the positioning base is provided with a bottom plate, an adjusting cavity is arranged between the bottom plate and the positioning base, an adjusting component is arranged in the adjusting cavity and comprises a movable shaft, the side edge of the positioning base is inserted with a movable sleeve in a penetrating manner, the movable shaft is arranged in the movable sleeve in a penetrating manner and extends inwards, the end surface of the movable shaft is provided with a driving bevel gear, when the outer wall of a shaft sleeve is required to be processed, the inner wall of the shaft sleeve is sleeved outside a plurality of arc-shaped clamping plates, so that a stepped groove is abutted against the shaft sleeve, a knob is rotated immediately, the plurality of arc-shaped clamping plates move oppositely to complete clamping, when the inner wall of the shaft sleeve is required to be processed, the outer wall of the shaft sleeve can be inserted between the plurality of arc-shaped clamping plates, the knob can be rotated reversely, different requirements of a user can be met, and the positioning clamping effect of the counter shaft sleeve is improved.

Description

Positioning fixture for shaft sleeve machining

Technical Field

The utility model relates to an axle sleeve processing technology field specifically is an axle sleeve processing positioning fixture.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft.

At present, in the course of working to the axle sleeve, especially relate to when tapping the operation to the inner wall or the outer wall of axle sleeve, current anchor clamps only can carry out the one-way centre gripping of outer wall or inner wall to the centre gripping effect is relatively poor, and the centre gripping is unstable, can not be convenient carry out two-way centre gripping to the outer wall and the inner wall of axle sleeve, greatly reduced the practicality of device, can't be applicable to the workman and to the processing operation of axle sleeve, to this we propose a positioning fixture for axle sleeve processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a positioning fixture is used in axle sleeve processing to solve among the prior art anchor clamps and only can carry out the one-way centre gripping of outer wall or inner wall, and the centre gripping effect is relatively poor, and the centre gripping is unstable, can not be convenient carry out two-way centre gripping to the outer wall and the inner wall of axle sleeve, greatly reduced the practicality of device, can't be applicable to the problem of workman to the processing operation of axle sleeve.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning fixture for shaft sleeve processing comprises a positioning base, wherein the bottom of the positioning base is arranged in a through manner, a bottom plate is arranged on the bottom wall of the positioning base, an adjusting cavity is arranged between the bottom plate and the positioning base, an adjusting component is arranged in the adjusting cavity and comprises a movable shaft, a movable sleeve is inserted into the side edge of the positioning base in a penetrating manner, the movable shaft penetrates through the movable sleeve and extends inwards, a driving bevel gear is arranged on the end face of the movable shaft, a knob is arranged at one end of the movable shaft, which is far away from the driving bevel gear, a movable disc is arranged above the driving bevel gear, an annular groove matched with the movable disc is arranged on the inner wall of the positioning base and is matched with the outer wall of the movable disc, a transmission bevel gear is arranged at the bottom of the movable disc and is matched with the driving bevel gear, and a spiral groove is arranged on the top surface of the movable disc, the last location base top surface of activity disc link up and is equipped with the spout, and is equipped with the draw runner in the spout, the side and the spout adaptation of draw runner, just the diapire and the helicla flute adaptation of draw runner, the top of draw runner is equipped with the arc grip block, and the outer wall of arc grip block is equipped with the ladder groove.

Preferably, the spout is equipped with a plurality ofly, and a plurality of spouts are circumference form evenly distributed, all is equipped with the draw runner in every spout.

Preferably, a plurality of balls are embedded in the bottom wall of the annular groove and are connected with the bottom wall of the movable disc in a matched mode.

Preferably, the sliding sleeves are inserted in the middle parts of the bottom plate and the movable disc together, and the movable disc is connected with the sliding sleeves in a matching mode.

Preferably, the inner wall of arc grip block is equipped with the inner circle extrusion pad, the outer wall in ladder groove is equipped with the outer lane pad, and the outside common cover of a plurality of arc grip blocks is equipped with the axle external member.

Preferably, each top edge of arc-shaped clamping plate is provided with a chamfer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model relates to a positioning fixture for shaft sleeve processing, an adjusting component is arranged, when a knob is rotated, a movable shaft is driven to rotate, a drive bevel gear is meshed with a drive bevel gear to be connected, a movable disc is driven to rotate, a plurality of sliding bars are driven to slide along the direction of a sliding groove due to the movable connection of a spiral groove on the movable disc and the sliding bars, the clamping of a plurality of arc clamping plates to a shaft sleeve member is realized, the outer walls of the plurality of arc clamping plates are all provided with stepped grooves, the bidirectional clamping of the inner walls and the outer walls of the shaft sleeve member of the plurality of arc clamping plates can be realized, when the outer wall of the shaft sleeve member is required to be processed, the inner wall of the shaft sleeve member can be sleeved outside the plurality of arc clamping plates, the stepped grooves are abutted against the shaft sleeve member, a knob is rotated immediately, the plurality of arc clamping plates move oppositely to complete the clamping, when the inner wall of the shaft sleeve member is required to be processed, the outer wall of the shaft sleeve member can be inserted between the plurality of arc clamping plates, the knob can be rotated reversely, different requirements of a user can be met, and the positioning clamping effect of the counter shaft sleeve is improved.

(2) The utility model relates to a positioning fixture is used in axle sleeve processing, the ball of setting can assist the rotation of activity disc, promotes rotational stability, and outer lane pad extrudees the outer wall and the inner wall that can effectual counter shaft external member with the inner circle extrusion pad and extrudees the protection, avoids the centre gripping to crush the work piece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the position A of the present invention;

fig. 3 is the schematic view of the middle shaft sleeve assembling structure of the present invention.

In the reference symbols: 1. positioning a base; 11. a base plate; 12. a sliding sleeve; 13. a chute; 14. an annular groove; 15. a movable sleeve; 21. a movable shaft; 22. a knob; 23. a drive bevel gear; 24. a movable disc; 241. a helical groove; 25. a drive bevel gear; 31. a slide bar; 32. an arc-shaped clamping plate; 321. chamfering; 33. an inner ring extrusion pad; 34. a stepped groove; 35. an outer ring pad; 4. a ball bearing; 5. a shaft kit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a positioning fixture for machining a shaft sleeve, which comprises: the adjustable positioning device comprises a positioning base 1, the bottom of the positioning base 1 is arranged in a through manner, a bottom plate 11 is arranged on the bottom wall of the positioning base 1, an adjusting cavity is arranged between the bottom plate 11 and the positioning base 1, an adjusting component is arranged in the adjusting cavity and comprises a movable shaft 21, a movable sleeve 15 is inserted through the side edge of the positioning base 1, the movable shaft 21 is arranged in the movable sleeve 15 in a penetrating manner and extends inwards, specifically, the movable shaft 21 is rotatably connected with the movable sleeve 15, a driving bevel gear 23 is arranged on the end surface of the movable shaft 21, specifically, the driving bevel gear 23 is fixedly connected with the movable shaft 21, a knob 22 is arranged at one end of the movable shaft 21 far away from the driving bevel gear 23, the knob 22 is fixedly connected with the movable shaft 21, a movable disc 24 is arranged above the driving bevel gear 23, an annular groove 14 matched with the movable disc 24 is arranged on the inner wall of the positioning base 1, and the annular groove 14 is matched with the outer wall of the movable disc 24, specifically, a movable disc 24 is rotatably connected with the annular groove 14, a transmission bevel gear 25 is arranged at the bottom of the movable disc 24, specifically, the transmission bevel gear 25 is fixedly connected with the movable disc 24, the transmission bevel gear 25 is matched with the driving bevel gear 23, specifically, the transmission bevel gear 25 is meshed with the driving bevel gear 23, the top surface of the movable disc 24 is provided with a spiral groove 241, the top surface of the positioning base 1 on the movable disc 24 is provided with a sliding groove 13 in a penetrating way, and a slide bar 31 is arranged in the slide groove 13, the side edge of the slide bar 31 is matched with the slide groove 13, specifically, the slide bar 31 is connected with the slide groove 13 in a sliding way, the bottom wall of the slide bar 31 is matched with the spiral groove 241, specifically, the bottom of the slide bar 31 is provided with a spiral notch matched with the spiral groove 241, and is connected with spiral groove 241 in a screw fit manner, the top of slide bar 31 is provided with arc-shaped clamping plate 32, and the outer wall of arc-shaped clamping plate 32 is provided with stepped groove 34.

In this embodiment, when the outer wall of the shaft kit 5 needs to be processed, the inner wall of the shaft kit 5 can be sleeved outside the plurality of arc-shaped clamping plates 32, the stepped groove 34 is abutted against the shaft kit 5, the knob 22 is rotated immediately, the movable shaft 21 is rotated, the driving bevel gear 23 is meshed with the transmission bevel gear 25, the movable disc 24 is rotated, the plurality of sliding strips 31 are driven by the spiral groove 241 to move relatively, even if the plurality of arc-shaped clamping plates 32 move relatively, the clamping is completed, when the inner wall of the shaft kit 5 needs to be processed, the outer wall of the shaft kit 5 can be inserted between the plurality of arc-shaped clamping plates 32, the knob 22 is rotated reversely, the bidirectional clamping of the plurality of arc-shaped clamping plates 32 on the inner wall and the outer wall of the shaft kit 5 is realized, the scheme can meet different requirements of a user, and the positioning clamping effect of the shaft kit is improved.

Further, spout 13 is equipped with a plurality ofly, and a plurality of spouts 13 are circumference form evenly distributed, all is equipped with draw runner 31 in every spout 13, and arc grip block 32's inner wall is equipped with inner circle extrusion pad 33, and the outer wall of ladder groove 34 is equipped with outer lane pad 35, and the common cover in outside of a plurality of arc grip blocks 32 is equipped with axle external member 5, and the top edge of every arc grip block 32 all is equipped with chamfer 321.

In this embodiment, diversified centre gripping can be realized to a plurality of spouts 13 and draw runner 31 of setting, promotes the centre gripping effect, and outer lane pad 35 extrudees the protection with inner circle extrusion pad 33 can effectual outer wall and the inner wall of counter shaft external member 5, avoids the centre gripping to press the wound work piece, and chamfer 321 can make things convenient for the inner wall of counter shaft external member 5 to embolia, promotes the convenience of counter shaft external member 5 location centre gripping.

Furthermore, a plurality of balls 4 are embedded in the bottom wall of the annular groove 14, and the balls 4 are connected with the bottom wall of the movable disc 24 in a matching manner.

In the present embodiment, the balls 4 are provided to assist the rotation of the movable disk 24, thereby improving the rotational stability.

Further, the sliding sleeve 12 is inserted in the middle of the bottom plate 11 and the movable disc 24 together, the movable disc 24 is connected with the sliding sleeve 12 in a matching manner, and specifically, the sliding sleeve 12 is rotatably connected with the movable disc 24.

In this embodiment, the sliding sleeve 12 can further limit the rotation of the movable disk 24, thereby improving the stability of the rotation.

Specifically, the utility model discloses a theory of operation and use flow: the utility model discloses install the back, add man-hour when the 5 outer walls of counter shaft external member of needs, can establish the inner wall cover of axle external member 5 outside a plurality of arc grip blocks 32, make ladder groove 34 contradict to the axle external member 5, rotate knob 22 immediately, loose axle 21 rotates, be connected with transmission bevel gear 25 meshing by drive bevel gear 23, make activity disc 24 rotate, drive a plurality of draw runner 31 relative motion by helicla flute 241, even a plurality of arc grip blocks 32 move in opposite directions, accomplish the centre gripping, add man-hour when the 5 inner walls of counter shaft external member of needs, can insert between a plurality of arc grip blocks 32 with the outer wall of axle external member 5, reverse rotation knob 22 can, realize the two-way centre gripping of the inner wall of a plurality of arc grip blocks 32 counter shaft external member 5 and outer wall, this scheme can satisfy user's different demands, promote the location centre gripping effect of counter shaft external member, until accomplishing whole work order.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The positioning fixture for machining the shaft sleeve is characterized by comprising a positioning base (1), wherein the bottom of the positioning base (1) is arranged in a through manner, a bottom plate (11) is arranged on the bottom wall of the positioning base, an adjusting cavity is arranged between the bottom plate (11) and the positioning base (1), an adjusting assembly is arranged in the adjusting cavity and comprises a movable shaft (21), a movable sleeve (15) is inserted into the side edge of the positioning base (1) in a penetrating manner, the movable shaft (21) penetrates through the movable sleeve (15) and extends inwards, a driving bevel gear (23) is arranged on the end face of the movable shaft (21), a knob (22) is arranged at one end, away from the driving bevel gear (23), of the movable shaft (21), a movable disc (24) is arranged above the driving bevel gear (23), and an annular groove (14) matched with the movable disc (24) is formed in the inner wall of the positioning base (1), and annular groove (14) and activity disc (24) outer wall looks adaptation, the bottom of activity disc (24) is equipped with transmission bevel gear (25), transmission bevel gear (25) and drive bevel gear (23) looks adaptation, the top surface of activity disc (24) is equipped with helicla flute (241), positioning base (1) top surface on activity disc (24) link up and is equipped with spout (13), and is equipped with draw runner (31) in spout (13), the side and spout (13) adaptation of draw runner (31), just the diapire and helicla flute (241) adaptation of draw runner (31), the top of draw runner (31) is equipped with arc grip block (32), and the outer wall of arc grip block (32) is equipped with ladder groove (34).

2. The positioning fixture for machining the shaft sleeve as claimed in claim 1, wherein: the sliding grooves (13) are arranged in a plurality of numbers, the sliding grooves (13) are evenly distributed in a circumferential shape, and sliding strips (31) are arranged in each sliding groove (13).

3. The positioning fixture for machining the shaft sleeve as claimed in claim 1, wherein: the bottom wall of the annular groove (14) is embedded with a plurality of balls (4), and the balls (4) are connected with the bottom wall of the movable disc (24) in a matching mode.

4. The positioning fixture for machining the shaft sleeve as claimed in claim 1, wherein: the middle parts of the bottom plate (11) and the movable disc (24) are inserted with a sliding sleeve (12) together, and the movable disc (24) is connected with the sliding sleeve (12) in a matching way.

5. The positioning fixture for machining the shaft sleeve as claimed in claim 2, wherein: the inner wall of arc grip block (32) is equipped with inner circle extrusion pad (33), the outer wall in ladder groove (34) is equipped with outer lane pad (35), and the outside common cover of a plurality of arc grip blocks (32) is equipped with axle external member (5).

6. The positioning fixture for machining the shaft sleeve as claimed in claim 5, wherein: and a chamfer (321) is arranged at the edge of the top of each arc-shaped clamping plate (32).