CN220903031U - Transmission shaft processing positioning tool - Google Patents

Abstract

The utility model discloses a processing and positioning tool for a transmission shaft, which comprises a bottom plate and a synchronous assembly; a bottom plate: positioning seats are arranged at the left end and the right end of the upper surface of the sliding seat, and positioning strips are connected in sliding holes in the positioning seats in a sliding manner; and a synchronization component: the positioning fixture comprises a screw rod and a nut plate, wherein the screw rod is respectively connected to the middle of a positioning seat through bearing rotation, the screw rod is respectively arranged in parallel with transversely adjacent positioning strips, the nut plate is connected to the outer cambered surface of the screw rod in a threaded mode, the nut plate is respectively fixedly connected with the transversely adjacent positioning strips, the number of the positioning strips is six, three positioning strips on the same positioning seat are circularly distributed, the transmission shaft is processed and positioned, the transmission shaft is clamped and positioned through synchronous movement of the positioning strips which are circularly distributed in the process of processing by rotating a hand wheel, positioning of transmission shafts with different diameters is facilitated, the upper end of the transmission shaft is of an opening structure, and accordingly the transmission shaft is convenient to place and convenient to use.

Description

Transmission shaft processing positioning tool

Technical Field

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

Background

It is well known that the transmission shaft is an important part for transmitting power in the automobile transmission system, and its effect is that the power transmission of engine gives the wheel together with gearbox, transaxle, make the automobile produce driving force, when the transmission shaft is processed, often need use transmission shaft processing location frock to carry out fixed in position to the transmission shaft appears the position offset and influence the processingquality of transmission shaft in the follow-up course of working, current transmission shaft processing location frock generally uses bolt and clamp plate to compress tightly the location to the transmission shaft, simple structure use cost is low, but is unfavorable for the centering clamp of transmission shaft, the location effect is general, also has to use chuck structure to carry out centering clamp, but the annular needs to insert in the through-hole from one side, and then inconvenient transmission shaft's placement, convenience when influencing the use.

Disclosure of utility model

The technical problem to be solved by the utility model is to overcome the existing defects, provide the processing and positioning tool for the transmission shaft, drive six positioning strips to synchronously move to perform centering, clamping and positioning on the transmission shaft, ensure the convenience in processing, and have an opening structure at the upper end, so that the transmission shaft is convenient to place and use, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the transmission shaft processing and positioning tool comprises a bottom plate and a synchronous assembly;

A bottom plate: positioning seats are arranged at the left end and the right end of the upper surface of the sliding seat, and positioning strips are connected in sliding holes in the positioning seats in a sliding manner;

And a synchronization component: the screw rod is respectively connected to the middle of the positioning seat through bearing rotation, the screw rod is respectively parallel to the transversely adjacent positioning strips, the nut plate is connected to the outer cambered surface of the screw rod in a threaded mode, the nut plate is respectively fixedly connected with the transversely adjacent positioning strips, the positioning strips which are circularly distributed can be rotated to enable the hand wheel to be moved synchronously in the machining process to clamp and position the transmission shaft in a centering mode, positioning of transmission shafts with different diameters is facilitated, meanwhile, the upper end of the screw rod is of an opening structure, the transmission shaft is conveniently placed, and the use is convenient.

Furthermore, the number of the positioning strips is six, and three positioning strips on the same positioning seat are distributed circularly, so that the centering and positioning of the transmission shaft are facilitated.

Further, the synchronous assembly comprises a first conical gear, a synchronous shaft, a second conical gear and a third conical gear, wherein the first conical gear is arranged at one end of the screw rod, which is far away from the bearing, both ends of the positioning seat are respectively connected with the synchronous shaft through the bearing in a rotating way, the lower end of the synchronous shaft is provided with the second conical gear, the second conical gear is respectively engaged and connected with the first conical gear which is longitudinally adjacent, the upper end of the synchronous shaft is provided with the third conical gear, and the third conical gear is respectively engaged and connected with the first conical gear which is longitudinally adjacent, so that synchronous movement of three positioning strips at the same side is facilitated.

Further, the middle part of bottom plate upper surface is connected with three back shaft through the bearing rotation, and the middle part of back shaft extrados all is equipped with the sprocket, and the back shaft of left and right sides respectively with the lead screw fixed connection of vertical correspondence, three sprockets pass through same chain transmission and connect, the synchronous control of convenient location strip.

Further, the device also comprises a hand wheel, wherein the hand wheel is arranged at the upper end of the supporting shaft at the front side, so that the rotation of the supporting shaft is conveniently controlled.

Further, the left end and the right end of the upper surface of the bottom plate are provided with uniformly distributed fixing holes, so that the bottom plate is convenient to fix.

Furthermore, the left end and the right end of the lower surface of the bottom plate are respectively provided with a positioning block, so that the bottom plate is conveniently positioned.

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

The two ends of the transmission shaft penetrate through the opening of the positioning seat and are transversely placed between the six positioning strips, then the hand wheel is rotated, the hand wheel drives the front supporting shaft and the chain wheel to rotate, the front chain wheel drives the chain wheels and the supporting shafts on two sides to rotate through the chain, the supporting shafts on the left side and the right side drive the screw rod on the lower side to rotate, the screw rod on the lower side drives the conical gear I on the lower side to rotate, the conical gear II drives the conical gear III to rotate through the synchronous shaft, the conical gear III drives the conical gear I on the upper side, the conical gear I drives the screw rod on the front side and the rear side to rotate, the rotating screw rod drives the positioning strips to slide along the sliding holes in the positioning seat through the nut plate, then the positioning strips synchronously move to clamp the transmission shaft to radially position, the positioning strips which are distributed circularly can be rotated in the processing process to clamp and position the transmission shaft in a centering mode, the positioning of the transmission shaft with different diameters is convenient, and the upper end is of the opening structure, and accordingly the positioning of the transmission shaft is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1a bottom plate, 2a positioning seat, 3a positioning strip, 4 a synchronization assembly, 41 a screw rod, 42 a nut plate, 43 a first conical gear, 44 a synchronization shaft, 45 a second conical gear, 46 a third conical gear, 5a support shaft, 6a sprocket, 7 a chain, 8 a hand wheel, 9 a fixing hole and 10 a positioning block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: the transmission shaft machining positioning tool comprises a bottom plate 1 and a synchronous assembly 4;

The base plate 1: the left end and the right end of the upper surface of the base plate 1 are respectively provided with a positioning seat 2, positioning strips 3 are slidably connected in sliding holes in the positioning seat 2, the number of the positioning strips 3 is six, three positioning strips 3 on the same positioning seat 2 are distributed circularly, two ends of a transmission shaft penetrate through openings of the positioning seat 2 and are transversely placed between the six positioning strips 3, the positioning strips 3 synchronously move to clamp the transmission shaft for radial positioning, the left end and the right end of the upper surface of the base plate 1 are respectively provided with a uniformly distributed fixing hole 9, the base plate 1 is fixed on an external equipment workbench by using bolts to penetrate through the fixing holes 9, the left end and the right end of the lower surface of the base plate 1 are respectively provided with a positioning block 10, the positioning blocks 10 correspond to T-shaped grooves on the external equipment workbench, and the base plate 1 can be positioned;

Synchronization component 4: the device comprises a screw rod 41 and a nut plate 42, wherein the screw rod 41 is respectively connected to the middle part of a positioning seat 2 through bearings in a rotating way, the screw rod 41 is respectively arranged in parallel with a positioning strip 3 adjacent to the screw rod, the nut plate 42 is respectively connected with an outer cambered surface of the screw rod 41 in a threaded way, the nut plate 42 is respectively fixedly connected with the positioning strip 3 adjacent to the screw rod, a synchronizing assembly 4 comprises a first conical gear 43, a synchronizing shaft 44, a second conical gear 45 and a third conical gear 46, the first conical gear 43 is respectively arranged at one end of the screw rod 41 far away from the bearings, the front end and the rear end of the positioning seat 2 are respectively connected with the synchronizing shaft 44 through bearings in a rotating way, the lower end of the synchronizing shaft 44 is respectively provided with a second conical gear 45, the second conical gear 45 is respectively connected with the first conical gear 43 adjacent to the longitudinal direction, the upper end of the synchronizing shaft 44 is respectively provided with the third conical gear 46, the third conical gear 46 is respectively connected with the first conical gear 43 adjacent to the longitudinal direction, the lower screw rod 41 drives the lower conical gear one 43 to rotate, the conical gear one 43 drives the conical gear two 45 to rotate, the conical gear two 45 drives the conical gear three 46 to rotate through the synchronizing shaft 44, the conical gear three 46 drives the conical gear one 43 above, the conical gear one 43 drives the screw rods 41 on the front side and the rear side to rotate, the rotating screw rods 41 drive the positioning strips 3 to slide along the sliding holes in the positioning seat 2 through the nut plates 42, the middle part of the upper surface of the bottom plate 1 is rotationally connected with three supporting shafts 5 through bearings, the middle part of the outer cambered surface of the supporting shafts 5 is provided with chain wheels 6, the supporting shafts 5 on the left side and the right side are fixedly connected with the vertically corresponding screw rods 41 respectively, the three chain wheels 6 are in transmission connection through the same chain 7, the lower screw rod type screw rod fixing device further comprises a hand wheel 8, the hand wheel 8 is arranged at the upper end of the supporting shaft 5 on the front side, the hand wheel 8 rotates the hand wheel 8 drives the supporting shaft 5 and the chain wheels 6 on the front side to rotate, the front chain wheel 6 drives the chain wheels 6 and the supporting shafts 5 on two sides to rotate through the chain 7, and the supporting shafts 5 on the left side and the right side drive the screw rod 41 below to rotate.

The working principle of the transmission shaft machining and positioning tool provided by the utility model is as follows: when the positioning block 10 corresponds to a T-shaped groove on an external equipment workbench, the bottom plate 1 can be positioned, then the bottom plate 1 is fixed to the external equipment workbench by using bolts through the fixing holes 9, then two ends of a transmission shaft penetrate through openings of the positioning seat 2 and are transversely placed between six positioning strips 3, then the hand wheel 8 is rotated, the hand wheel 8 drives the front supporting shaft 5 and the chain wheel 6 to rotate, the front chain wheel 6 drives the chain wheels 6 and the supporting shaft 5 to rotate through the chain 7, the left supporting shaft 5 and the right supporting shaft 5 drive the lower screw rod 41 to rotate, the lower screw rod 41 drives the lower conical gear one 43 to rotate, the conical gear one 43 drives the conical gear two 45 to rotate through the synchronizing shaft 44, the conical gear three 46 drives the conical gear one 43 above, the conical gear one 43 drives the screw rods 41 on the front side and the rear side to rotate, the rotating screw rods 41 drive the positioning strips 3 to slide along sliding holes in the positioning seat 2 through the nut plates 42, and then the positioning strips 3 synchronously move to clamp the transmission shaft to radially position.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Transmission shaft processing location frock, its characterized in that: comprises a bottom plate (1) and a synchronous assembly (4);

Bottom plate (1): positioning seats (2) are arranged at the left end and the right end of the upper surface of the sliding seat, and positioning strips (3) are connected in sliding holes in the positioning seats (2) in a sliding manner;

Synchronization component (4): the device comprises a screw rod (41) and a nut plate (42), wherein the screw rod (41) is respectively connected to the middle part of a positioning seat (2) through a bearing in a rotating way, the screw rod (41) is respectively arranged in parallel with a positioning strip (3) which is transversely adjacent, the nut plate (42) is connected to the outer cambered surface of the screw rod (41) in a threaded way, and the nut plate (42) is respectively fixedly connected with the positioning strip (3) which is transversely adjacent.

2. The drive shaft tooling positioning tool of claim 1, wherein: the number of the positioning strips (3) is six, and the three positioning strips (3) on the same positioning seat (2) are distributed circularly.

3. The drive shaft tooling positioning tool of claim 1, wherein: the synchronous assembly (4) comprises a first conical gear (43), a synchronous shaft (44), a second conical gear (45) and a third conical gear (46), wherein the first conical gear (43) is arranged at one end of the screw rod (41) far away from the bearing, the synchronous shaft (44) is connected to the front end and the rear end of the positioning seat (2) through the bearing in a rotating mode, the second conical gear (45) is arranged at the lower end of the synchronous shaft (44), the second conical gear (45) is meshed with the first conical gear (43) longitudinally adjacent, the third conical gear (46) is arranged at the upper end of the synchronous shaft (44), and the third conical gear (46) is meshed with the first conical gear (43) longitudinally adjacent.

4. The drive shaft tooling positioning tool of claim 1, wherein: the middle part of bottom plate (1) upper surface is connected with three back shaft (5) through the bearing rotation, and the middle part of back shaft (5) extrados all is equipped with sprocket (6), and back shaft (5) of left and right sides are respectively with lead screw (41) fixed connection that vertically corresponds, and three sprocket (6) are connected through same chain (7) transmission.

5. The drive shaft tooling positioning tool of claim 4, wherein: the device also comprises a hand wheel (8), wherein the hand wheel (8) is arranged at the upper end of the supporting shaft (5) at the front side.

6. The drive shaft tooling positioning tool of claim 1, wherein: the left end and the right end of the upper surface of the bottom plate (1) are provided with uniformly distributed fixing holes (9).

7. The drive shaft tooling positioning tool of claim 1, wherein: the left end and the right end of the lower surface of the bottom plate (1) are provided with positioning blocks (10).