CN218136354U

CN218136354U - Positioning and fixing device for machining of shell transmission shaft

Info

Publication number: CN218136354U
Application number: CN202220964212.1U
Authority: CN
Inventors: 龙军
Original assignee: Taixi Precision Parts Suzhou Co ltd
Current assignee: Taixi Precision Parts Suzhou Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-12-27
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a transmission shaft machining field discloses a location fixing device that machine casing transmission shaft machining used, including the work frame, the fixed plate body that is provided with in work frame top, the fixed pneumatic cylinder that is provided with in plate body top, be connected with down the board on the pneumatic cylinder, all through two grip blocks of bolt fixedly connected with on work frame and the down board, the centre gripping hole has been seted up to grip block side face, and a transmission shaft I has been clamped in four centre gripping holes, the slide opening has all been seted up to the work frame both sides, sliding contact has T type slider in the slide opening, a both ends of transmission shaft all contacts and has had the compact heap, the cell body has been seted up to the compact heap side, T type slider contacts with the cell body inner wall, the fixed transmission frame that is provided with on the cell body lateral wall, the transmission groove has been seted up to T type slider side. The utility model has the advantages of it is following and effect: can conveniently be fixed to the quick centre gripping of same specification transmission shaft, stability after the centre gripping is good.

Description

Positioning and fixing device for machining of shell transmission shaft

Technical Field

The utility model relates to a transmission shaft machining technical field, in particular to location fixing device of casing transmission shaft machining usefulness.

Background

The transmission shaft is a rotating body with high rotating speed and few supports, so the dynamic balance of the transmission shaft is very important, the dynamic balance test is carried out on the general transmission shaft before leaving a factory, the adjustment is carried out on a balancing machine, and the transmission shaft needs to be fixed by a fixing device during processing.

When the transmission shaft is clamped and fixed by the fixing device in the prior art, the rotating rod needs to be rotated, the clamping piece is moved to clamp and fix the transmission shaft through the threaded structure, the transmission shaft of the same specification which is inconvenient and quick in the mode is clamped and fixed, the clamping stability of the transmission shaft is poor, and the processing efficiency of the transmission shaft is reduced.

Therefore, a positioning and fixing device for machining a transmission shaft of a machine shell, which can conveniently and quickly clamp and fix the transmission shaft of the same specification and has good stability after clamping, needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a location fixing device of machine shell transmission shaft machine tooling usefulness has can conveniently be fixed to the quick centre gripping of same specification transmission shaft, the good effect of stability after the centre gripping.

The above technical purpose of the present invention can be achieved by the following technical solutions: the clamping device comprises a working frame, a plate body is fixedly arranged at the top of the working frame, a hydraulic cylinder is fixedly arranged at the top of the plate body, a lower moving plate is connected onto the hydraulic cylinder, two clamping plates are fixedly connected onto the working frame and the lower moving plate through bolts, clamping holes are formed in the side faces of the clamping plates, a first transmission shaft is clamped in the four clamping holes, sliding holes are formed in the two sides of the working frame, a T-shaped sliding block is in sliding contact with the sliding holes, two end portions of the first transmission shaft are in contact with a pressing block, a groove body is formed in the side face of the pressing block, the T-shaped sliding block is in contact with the inner wall of the groove body, a transmission frame is fixedly arranged on the side wall of the groove body, a transmission groove is formed in the side face of the T-shaped sliding block, a second transmission shaft is rotatably connected onto the T-shaped sliding block, external threads are formed in the second transmission shaft, internal threads matched with the external threads are arranged in the transmission frame, two pressing blocks are fixedly arranged at the bottom of the lower moving plate, a pressing block, a pressing groove is formed in the top of the T-shaped sliding block, and the pressing block is clamped with the pressing groove.

The utility model discloses a further set up to: a rubber pad is fixedly arranged in the clamping hole and is in close contact with the transmission shaft.

The utility model discloses a further set up to: the T-shaped sliding block is in contact with the side face of the working frame.

Through adopting above-mentioned technical scheme, carry out spacing processing to T type slider.

The utility model discloses a further set up to: two compact heap all are located between two tight blocks that support.

The utility model discloses a further set up to: and a mounting hole body is formed in the T-shaped sliding block, a bearing is arranged in the mounting hole body, and the second transmission shaft is fixedly connected with the inner ring of the bearing.

By adopting the technical scheme, the stability of the transmission shaft II during rotation is improved.

The utility model discloses a further set up to: the two corresponding clamping plates are contacted.

The utility model has the advantages that:

1. the utility model discloses a through T type slider, compact heap, transmission shaft one, grip block, lower shifting plate, pneumatic cylinder, support piece and support the groove of tightly setting up, place transmission shaft one on the grip block of below, promote two T type sliders, can fix transmission shaft one both ends, then start the pneumatic cylinder, can make four grip blocks fix a position transmission shaft one, and make support the block card of tightly going into and support the groove, carry on spacing to T type slider;

2. the utility model discloses a grip block, compact heap, transmission frame, two and T type sliders of transmission shaft that set up can be changed the grip block, and the grip hole internal diameter matches with two internal diameters of transmission shaft on the grip block of change to can rotatory transmission shaft two, carry out the lateral adjustment to the position of compact heap, adapt to the transmission shaft one of different length.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the utility model provides a positioning and fixing device's that machine tool of casing transmission shaft was used structural sketch map.

Fig. 2 is the utility model provides a positioning and fixing device's that machine tool of casing transmission shaft machine tooling used sectional structure sketch map.

Fig. 3 is a schematic view of a portion a of fig. 2.

In the figure, 1, a work frame; 2. a plate body; 3. a hydraulic cylinder; 4. a lower moving plate; 5. a clamping plate; 6. a first transmission shaft; 7. a T-shaped slider; 8. a compression block; 9. a transmission frame; 10. a second transmission shaft; 11. a tightening block; 12. tightly pressing the groove; 13. and (4) clamping the hole.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the utility model provides a positioning and fixing device for machining of a transmission shaft of a machine shell, which comprises a working frame 1, wherein a plate body 2 is fixedly arranged at the top of the working frame 1, a hydraulic cylinder 3 is fixedly arranged at the top of the plate body 2, a lower moving plate 4 is connected on the hydraulic cylinder 3, two clamping plates 5 are fixedly connected on the working frame 1 and the lower moving plate 4 through bolts, the clamping plates 5 can be replaced to meet the clamping requirements of different transmission shafts 6, corresponding to the contact of the two clamping plates 5, clamping holes 13 are arranged on the side surfaces of the clamping plates 5, a transmission shaft 6 is clamped in the four clamping holes 13, sliding holes are arranged on both sides of the working frame 1, T-shaped sliders 7 are in sliding contact in the sliding holes, pressing blocks 8 are contacted with both ends of the transmission shaft 6, a groove body is arranged on the side surface of the pressing blocks 8, the T-shaped sliders 7 are contacted with the inner wall of the groove body, a transmission frame 9 is fixedly arranged on the side surface of the groove body, a transmission groove 7 is arranged on the side wall, the transmission frame 9 is slidably arranged in the transmission groove, the T-shaped sliding block 7 is rotatably connected with a transmission shaft II 10, the transmission shaft II 10 is provided with external threads, internal threads matched with the external threads for use are arranged in the transmission frame 9, the bottom of the lower moving plate 4 is fixedly provided with two abutting blocks 11, two pressing blocks 8 are both positioned between the two abutting blocks 11, the top of the T-shaped sliding block 7 is provided with an abutting groove 12, the abutting blocks 11 are clamped with the abutting groove 12, for the transmission shaft I6 with the same specification, the transmission shaft I6 is placed on the lower clamping plate 5, then the two T-shaped sliding blocks 7 are pushed, the two abutting blocks 11 can move oppositely to abut against the two ends of the transmission shaft I6, then the hydraulic cylinder 3 is started, the lower moving plate 4 can move downwards, and further the upper clamping plate 5 can be matched with the lower clamping plate 5 to tightly press and fix the transmission shaft II 10, at this moment, the abutting block 11 is clamped into the abutting groove 12, the T-shaped sliding block 7 is limited, so that the transmission shaft I6 can be quickly positioned and fixed, the stability after clamping is good, the transmission shaft I6 with different specifications can be replaced by the clamping plate 5, the transmission shaft II 10 can be rotated, and the pressing block 8 can be transversely moved due to the matching of the external threads and the internal threads to adjust the position of the pressing block 8.

According to the embodiment shown in fig. 2 and 3, a rubber pad is fixedly arranged in the clamping hole 13, the rubber pad is in close contact with the first transmission shaft 6, the stability of the first transmission shaft 6 after clamping is improved, a mounting hole body is formed in the T-shaped sliding block 7, a bearing is arranged in the mounting hole body, and the second transmission shaft 10 is fixedly connected with an inner ring of the bearing, so that the second transmission shaft 10 can rotate conveniently.

As shown in fig. 1, the T-shaped slider 7 is in contact with the side surface of the work frame 1, and the T-shaped slider 7 can be subjected to a position-limiting process.

It is right above the utility model provides a location fixing device of casing transmission shaft machining usefulness introduces in detail.

The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The positioning and fixing device for machining the transmission shaft of the machine shell is characterized by comprising a working frame (1), wherein a plate body (2) is fixedly arranged at the top of the working frame (1), a hydraulic cylinder (3) is fixedly arranged at the top of the plate body (2), a lower moving plate (4) is connected onto the hydraulic cylinder (3), two clamping plates (5) are fixedly connected onto the working frame (1) and the lower moving plate (4) through bolts, clamping holes (13) are formed in the side surfaces of the clamping plates (5), a first transmission shaft (6) is clamped in the four clamping holes (13), sliding holes are formed in the two sides of the working frame (1), T-shaped sliding blocks (7) are in sliding contact in the sliding holes, two ends of the first transmission shaft (6) are in contact with pressing blocks (8), a groove body is formed in the side surface of the pressing blocks (8), the T-shaped sliding blocks (7) are in contact with the inner wall of the groove body, a transmission frame (9) is fixedly arranged on the side wall of the groove body, a transmission groove (7) is provided with a transmission frame (9), two transmission shafts (10) are fixedly arranged on the side surface of the transmission frame, and two transmission shafts (11) are fixedly matched with an external thread (11), the top of the T-shaped sliding block (7) is provided with a propping groove (12), and the propping block (11) is clamped with the propping groove (12).

2. The positioning and fixing device for machining of the transmission shaft of the housing as claimed in claim 1, wherein a rubber pad is fixedly arranged in the clamping hole (13), and the rubber pad is in close contact with the first transmission shaft (6).

3. The positioning and fixing device for machining the transmission shaft of the housing according to claim 1, characterized in that the T-shaped sliding block (7) is in contact with the side surface of the working frame (1).

4. The positioning and fixing device for machining the transmission shaft of the machine shell as claimed in claim 1, characterized in that the two pressing blocks (8) are located between the two abutting blocks (11).

5. The positioning and fixing device for machining the transmission shaft of the machine shell according to claim 1, wherein a mounting hole body is formed in the T-shaped sliding block (7), a bearing is arranged in the mounting hole body, and the second transmission shaft (10) is fixedly connected with an inner ring of the bearing.

6. The positioning and fixing device for machining the transmission shaft of the machine shell as claimed in claim 1, characterized in that the two corresponding clamping plates (5) are in contact.