CN217020047U

CN217020047U - Transmission shaft processing location frock

Info

Publication number: CN217020047U
Application number: CN202220080261.9U
Authority: CN
Inventors: 王善军
Original assignee: Suzhou Xiangcheng Juyuhuang Precision Machinery Co ltd
Current assignee: Suzhou Xiangcheng Juyuhuang Precision Machinery Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-07-22
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a transmission shaft machining and positioning tool which comprises a base and a positioning mechanism, wherein the base is provided with a positioning hole; a base: the left side surface and the right side surface of the rotating shaft are provided with rotating holes, rotating rings are rotatably connected in the rotating holes through bearings, annular cavities are arranged in the rotating rings, screw holes which are distributed at equal angles are arranged on the outer arc surface and the inner arc wall of each rotating ring, and the screw holes are communicated with the annular cavities; a positioning mechanism: the positioning mechanism is arranged in the annular cavity and is in threaded connection with the screw hole; wherein: the left side surface of the base is provided with a control switch, and the input end of the control switch is electrically connected with an external power supply; wherein: positioning mechanism includes positioning bolt, positioning bolt's number is six, and equal threaded connection has positioning bolt between two radial corresponding screw: this transmission shaft processing location frock can realize the centering clamping function to the transmission shaft to the development of subsequent transmission shaft processing work can also adjust the orientation angle of transmission shaft, facilitates for the processing work of transmission shaft.

Description

Transmission shaft processing location frock

Technical Field

The utility model relates to the technical field of transmission shaft machining, in particular to a transmission shaft machining positioning tool.

Background

The transmission shaft is a rotating body with high rotating speed and less support, so the dynamic balance of the transmission shaft is crucial. Generally, a dynamic balance test is carried out on a transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the rotation of the transmission is transmitted to the shaft of the final drive, which may be several joints, and the joints may be connected by universal joints.

When the transmission shaft is processed, a transmission shaft processing and positioning tool is often used for fixing the position of the transmission shaft, so that the transmission shaft is prevented from being deviated in position in the subsequent processing process to influence the processing quality of the transmission shaft.

The existing transmission shaft machining and positioning tool is simple in structure, can only achieve common clamping and fixing, is single in function, and cannot facilitate subsequent transmission shaft machining.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects, and provides a transmission shaft machining and positioning tool which can realize the centering and clamping functions of a transmission shaft so as to facilitate the development of the subsequent transmission shaft machining work, can also adjust the orientation angle of the transmission shaft, provides convenience for the transmission shaft machining work, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a transmission shaft machining and positioning tool comprises a base and a positioning mechanism;

a base: the left side surface and the right side surface of the rotating shaft are provided with rotating holes, rotating rings are rotatably connected in the rotating holes through bearings, annular cavities are arranged in the rotating rings, screw holes which are distributed at equal angles are arranged on the outer arc surface and the inner arc wall of each rotating ring, and the screw holes are communicated with the annular cavities;

a positioning mechanism: set up in the inside of annular chamber, positioning mechanism and screw threaded connection can realize the centering clamping function to the transmission shaft to the development of subsequent transmission shaft processing work can also adjust the orientation angle of transmission shaft, facilitates for the processing work of transmission shaft.

Furthermore, the left side of base is equipped with control switch, and external power supply is connected to control switch's input electricity, can freely regulate and control the running state of motor.

Furthermore, positioning mechanism includes positioning bolt, positioning bolt's number is six, and equal threaded connection has positioning bolt between two radial corresponding screw, and positioning bolt's inside and outside both ends all extend to the outside of annular chamber, can realize the centering clamping function to the transmission shaft to subsequent transmission shaft processing work develop.

Further, positioning mechanism still includes rotary drum, bevel gear and bevel gear ring, the rotary drum passes through angular rotation such as bearing and connects in the inner arc wall of annular chamber, and the rotary drum is located positioning bolt's outside, and the up end of rotary drum all is equipped with bevel gear, the axial slider in the bevel gear middle part trompil and the axial spout sliding connection of positioning bolt extrados, and the relative inside wall of two annular chambers all is connected with the bevel gear ring through bearing rotation, and the bevel gear ring is connected with the meshing of three bevel gear in the same annular chamber, can drive three positioning bolt and screw up in step.

Further, the outer cambered surface of swivel becket all fixes the cover and is equipped with the straight toothed ring, and the inside lower extreme of base rotates through the bearing and is connected with the bull stick, the left end fixed connection of the motor output shaft that the base left surface set up and the bull stick, and both ends all are equipped with the spur gear about the bull stick, and the spur gear is connected with the straight toothed ring meshing of homonymy, and the output of input electricity connection control switch of motor can adjust the orientation angle of transmission shaft, facilitates for the processing work of transmission shaft.

Furthermore, the supporting seat is arranged at the center of the bottom surface in the base, and the rotating rod is rotatably connected with the transverse through hole in the middle of the supporting seat through a bearing, so that a further rotating supporting effect can be provided for the rotating rod.

Furthermore, side bottom all is equipped with bilateral symmetry's fixed plate around the base, and the middle part of fixed plate all is equipped with the fixed orifices, can realize the stability to the base, ensures operational environment.

Compared with the prior art, the utility model has the beneficial effects that: this transmission shaft processing location frock has following benefit:

1. the two ends of the transmission shaft are respectively arranged inside the two rotating rings, then a worker screws the positioning bolts inwards by means of a screwdriver, and at the moment, the positioning bolts can be in a rotating state and approach to the center of the rotating rings, so that the bevel gears are influenced by radial holding force to drive the rotating cylinders to rotate together along with the positioning bolts and are influenced by the meshing connection relationship between the bevel gear rings and the bevel gears, three bevel gears can be rotated simultaneously, and then the other two positioning bolts are driven to approach to the center of the rotating rings together, the transmission shaft is ensured to be fixed at the center of the rotating rings, the centering clamping function is realized, and the subsequent transmission shaft processing work can be developed.

2. After the fixing is finished, the motor operates to drive the rotating rod and the flat gear ring to rotate under the control of the control switch, and the two rotating rings can rotate under the influence of the meshing connection relationship between the flat gear and the flat gear ring, so that the angle of the transmission shaft inside the rotating rings is changed, and convenience is brought to the processing work of the transmission shaft.

Drawings

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

FIG. 2 is a schematic view of the inner cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A;

fig. 4 is a schematic structural view of the positioning bolt of the present invention.

In the figure: the device comprises a base 1, a rotating ring 2, an annular ring 3, a screw hole 4, a positioning mechanism 5, a positioning bolt 51, a rotating drum 52, a bevel gear 53, a bevel gear ring 54, a control switch 6, a flat gear ring 7, a rotating rod 8, a motor 9, a flat gear 10, a supporting seat 11, a fixing plate 12 and a fixing hole 13.

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.

Referring to fig. 1-4, the present embodiment provides a technical solution: a transmission shaft machining and positioning tool comprises a base 1 and a positioning mechanism 5;

base 1: the rotary holes formed in the left side surface and the right side surface of the transmission shaft are rotatably connected with rotary rings 2 through bearings, annular cavities 3 are formed in the rotary rings 2, screw holes 4 distributed at equal angles are formed in the outer arc surfaces and the inner arc walls of the rotary rings 2, the screw holes 4 are communicated with the annular cavities 3, and two ends of the transmission shaft are respectively arranged in the two rotary rings 2 to carry out positioning work;

the positioning mechanism 5: the positioning mechanism 5 is in threaded connection with the screw holes 4, the positioning mechanism 5 comprises six positioning bolts 51, the number of the positioning bolts 51 is six, the three positioning bolts 51 are distributed in the same annular cavity 3 in a group, the positioning bolts 51 are in threaded connection between two radially corresponding screw holes 4, the inner end and the outer end of each positioning bolt 51 extend to the outside of the annular cavity 3, the positioning mechanism 5 further comprises a rotary drum 52, bevel gears 53 and a bevel gear ring 54, the rotary drum 52 is connected to the inner arc wall of the annular cavity 3 through bearings in an equal-angle rotating manner, the rotary drum 52 is positioned outside the positioning bolts 51, the upper end face of the rotary drum 52 is provided with the bevel gears 53, axial sliding blocks in openings in the middle of the bevel gears 53 are in sliding connection with axial sliding grooves of the outer arc surface of the positioning bolts 51, the opposite inner side walls of the two annular cavities 3 are both in rotating connection with the bevel gear rings 54 through bearings, and the bevel gear rings 54 are in meshed connection with the three bevel gears 53 in the same annular cavity 3, two ends of the transmission shaft are respectively arranged inside the two rotating rings 2, then a person screws the positioning bolts 51 inwards by means of a screwdriver, and at the moment, the positioning bolts 51 are close to the centers of the rotating rings 2 in a rotating state, so that the bevel gears 53 are influenced by radial holding force to drive the rotating drum 52 to rotate together with the positioning bolts 51 and also influenced by the meshing connection relationship between the bevel gear ring 54 and the bevel gears 53, three bevel gears 53 can rotate simultaneously, and further, the other two positioning bolts 51 are driven to be close to the centers of the rotating rings 2 together, the transmission shaft is ensured to be fixed at the centers of the rotating rings 2, the centering and clamping function is realized, and the subsequent transmission shaft processing work is carried out.

Wherein: the left side of base 1 is equipped with control switch 6, and external power source is connected to control switch 6's input electricity.

Wherein: the outer cambered surfaces of the rotating rings 2 are fixedly sleeved with flat toothed rings 7, the lower end inside the base 1 is rotatably connected with a rotating rod 8 through a bearing, an output shaft of a motor 9 arranged on the left side surface of the base 1 is fixedly connected with the left end of the rotating rod 8, flat gears 10 are arranged at the left end and the right end of the rotating rod 8, the flat gears 10 are meshed with the flat toothed rings 7 on the same side, the input end of the motor 9 is electrically connected with the output end of a control switch 6, a supporting seat 11 is arranged at the center of the bottom surface inside the base 1, the rotating rod 8 is rotatably connected with a transverse through hole in the middle of the supporting seat 11 through a bearing, after the fixing is completed, through the regulation and control of the control switch 6, the motor 9 operates to drive the rotating rod 8 and the flat gear ring 7 to rotate, and the two rotating rings 2 can rotate under the influence of the meshing connection relationship between the flat gear 10 and the flat gear ring 7, thereby the transmission shaft inside the rotating ring 2 is changed in angle, and the processing work of the transmission shaft is facilitated.

Wherein: base 1's front and back side bottom all is equipped with bilateral symmetry's fixed plate 12, and the middle part of fixed plate 12 all is equipped with fixed orifices 13, uses outside bolt to be connected fixed plate 12 and installation site through fixed orifices 13, realizes the fixed of base 1, ensures operational environment's stability.

The working principle of the transmission shaft machining and positioning tool provided by the utility model is as follows: the fixing plate 12 is connected with the installation part through the fixing hole 13 by using an external bolt to fix the base 1 and ensure the stability of the working environment, then two ends of the transmission shaft are respectively arranged inside the two rotating rings 2, then a person screws the positioning bolt 51 inwards by a screwdriver, at the moment, the positioning bolt 51 approaches to the center of the rotating ring 2 in a rotating state, so that the bevel gear 53 is influenced by radial holding force to drive the rotating drum 52 to rotate along with the positioning bolt 51 and is influenced by the meshing connection relationship between the bevel gear ring 54 and the bevel gear 53, the three bevel gears 53 can rotate simultaneously, further, the other two positioning bolts 51 are driven to approach to the center of the rotating ring 2 together, the transmission shaft is ensured to be fixed at the center of the rotating ring 2 to realize the centering clamping function so as to facilitate the development of the subsequent transmission shaft processing work, and after the fixing is completed, through the regulation and control of the control switch 6, the motor 9 runs to drive the rotating rod 8 and the flat gear ring 7 to rotate, and the two rotating rings 2 can rotate under the influence of the meshing connection relationship between the flat gear 10 and the flat gear ring 7, so that the transmission shaft inside the rotating ring 2 is subjected to angle change, and convenience is brought to the processing work of the transmission shaft.

It should be noted that the motor 9 disclosed in the above embodiment is a 28H2P3205a4 micro stepper motor, and the control switch 6 is provided with a switch button corresponding to the motor 9 for controlling the switch operation thereof.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a transmission shaft processing location frock which characterized in that: comprises a base (1) and a positioning mechanism (5);

base (1): rotating holes formed in the left side surface and the right side surface of the rotating shaft are both rotatably connected with rotating rings (2) through bearings, annular cavities (3) are arranged inside the rotating rings (2), screw holes (4) distributed at equal angles are formed in the outer arc surface and the inner arc wall of each rotating ring (2), and the screw holes (4) are both communicated with the annular cavities (3);

positioning mechanism (5): is arranged in the annular cavity (3), and the positioning mechanism (5) is in threaded connection with the screw hole (4).

2. The transmission shaft machining positioning tool according to claim 1, characterized in that: the left side face of the base (1) is provided with a control switch (6), and the input end of the control switch (6) is electrically connected with an external power supply.

3. The transmission shaft machining positioning tool according to claim 1, characterized in that: positioning mechanism (5) are including positioning bolt (51), the number of positioning bolt (51) is six, and equal threaded connection has positioning bolt (51) between two screw (4) that radially correspond, and the inside and outside both ends of positioning bolt (51) all extend to the outside of annular chamber (3).

4. The transmission shaft machining and positioning tool according to claim 3, characterized in that: positioning mechanism (5) still include rotary drum (52), bevel gear (53) and awl ring gear (54), rotary drum (52) such as angular rotation through the bearing connect in the inner arc wall of annular chamber (3), rotary drum (52) are located the outside of positioning bolt (51), the up end of rotary drum (52) all is equipped with bevel gear (53), the axial slider in bevel gear (53) middle part trompil and the axial spout sliding connection of positioning bolt (51) extrados, the relative inside wall of two annular chambers (3) all is connected with awl ring gear (54) through the bearing rotation, awl ring gear (54) are connected with three bevel gear (53) meshing in same annular chamber (3).

5. The transmission shaft machining and positioning tool according to claim 2, characterized in that: the outer cambered surface of swivel becket (2) is all fixed to be equipped with dull and stereotyped ring (7), and the inside lower extreme of base (1) is rotated through the bearing and is connected with bull stick (8), the left end fixed connection of motor (9) output shaft and bull stick (8) that base (1) left surface set up, both ends all are equipped with flat gear (10) about bull stick (8), and flat gear (10) are connected with the meshing of dull and stereotyped ring (7) of homonymy, the output of input electricity connection control switch (6) of motor (9).

6. The transmission shaft machining and positioning tool according to claim 5, characterized in that: the supporting seat (11) is arranged at the center of the bottom surface inside the base (1), and the rotating rod (8) is rotatably connected with the transverse through hole in the middle of the supporting seat (11) through a bearing.

7. The transmission shaft machining and positioning tool according to claim 1, characterized in that: the bottom ends of the front side and the rear side of the base (1) are respectively provided with a fixed plate (12) which is symmetrical left and right, and the middle part of each fixed plate (12) is provided with a fixed hole (13).