CN221337354U

CN221337354U - Friction welding clamping tool

Info

Publication number: CN221337354U
Application number: CN202323301437.2U
Authority: CN
Inventors: 李忠敏
Original assignee: Weifang Aerospace Machinery Co ltd
Current assignee: Weifang Aerospace Machinery Co ltd
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-07-16
Anticipated expiration: 2033-12-05

Abstract

The utility model discloses a friction welding clamping tool which comprises a mounting seat, wherein the lower end of the mounting seat is fixedly connected with a fixed cylinder, a clamping mechanism comprises a sliding rod, arc blocks, springs, arc clamping plates, a first driving assembly and a second driving assembly, the inner wall of the fixed cylinder is fixedly connected with a plurality of sliding rods, the side walls of the sliding rods are all in sliding connection with the arc blocks, the side walls of the arc blocks are fixedly connected with a plurality of springs, the other ends of the springs are fixedly connected with the arc clamping plates together, the fixed cylinder is provided with the first driving assembly, and the mounting seat is provided with the second driving assembly. According to the utility model, the rotating hand is rotated to drive the four arc clamping plates to clamp the turbine shaft together, and an integral clamping means is adopted, so that the probability of clamping deflection is greatly reduced, the quality and the production efficiency of the turbocharger can be improved, the turbine shafts with different specifications can be clamped, and the application range is wider.

Description

Friction welding clamping tool

Technical Field

The utility model relates to the technical field of turbocharger processing, in particular to a friction welding clamping tool.

Background

The turbocharger is an engine accessory, the market demand is very large, the turbine shaft is a core component accessory of the turbocharger, the rotating speed of the turbocharger is mainly influenced, the oil consumption and the power and durability of the turbocharger are mainly influenced, the friction welding technology is used as a first working procedure of turbine shaft machining, and the machining quality is extremely important for subsequent machining and the integral quality of the turbine shaft.

The existing friction welding clamping tool for the turbocharger is used for clamping and fixing a turbine shaft by adopting three movable blocks of a clamping jaw, so that the problem of welding quality is easily caused by the phenomenon of clamping deviation and the like, a plurality of machined turbine shafts cannot be machined in the subsequent machining procedures, the production quality and the production efficiency of the turbocharger are greatly reduced, and based on the friction welding clamping tool, the friction welding clamping tool is provided.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a friction welding clamping tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The friction welding clamping tool comprises a mounting seat, wherein the lower end of the mounting seat is fixedly connected with a fixed cylinder;

clamping mechanism, clamping mechanism includes slide bar, arc piece, spring, arc splint, first drive assembly and second drive assembly, a plurality of slide bars of fixed cylinder inner wall fixedly connected with, a plurality of slide bar lateral wall equal sliding connection has the arc piece, arc piece lateral wall fixedly connected with a plurality of springs, a plurality of the common fixedly connected with arc splint of spring other end, be provided with first drive assembly on the fixed cylinder, be provided with second drive assembly on the mount pad.

Preferably, the first driving assembly comprises a plurality of screw rods rotatably connected to the inner wall of the fixed cylinder, and the side walls of the screw rods are in threaded connection with the arc-shaped blocks.

Preferably, the second driving assembly comprises a rotating shaft rotationally connected to the upper end of the mounting seat, a plurality of fixing rods are symmetrically and fixedly connected to the side wall of the rotating shaft, a toothed ring is fixedly connected to the lower ends of the fixing rods together, one end of the screw rod penetrates through the side wall of the fixing cylinder and is fixedly connected with a gear, and the gear is meshed with the toothed ring.

Preferably, the second driving assembly further comprises a rotating hand fixedly connected to the upper end of the rotating shaft, and the rotating hand is provided with a limiting assembly for limiting the rotating position of the rotating shaft.

Preferably, the limiting assembly comprises a limiting rod which is connected to the side wall of the rotating hand in a sliding mode, a plurality of limiting grooves matched with the limiting rod are formed in the upper end of the mounting seat, and the limiting grooves are symmetrically formed along the axis of the rotating shaft.

Preferably, the number of the plurality of sliding rods is 4, the number of the arc-shaped blocks, the arc-shaped clamping plates and the number of the lead screws are all 4, and the sliding rods are symmetrically arranged along the circle center of the fixed cylinder.

Preferably, the plurality of fixing rods are all L-shaped.

The utility model has the following beneficial effects:

1. Through setting up clamping mechanism, through rotating the hand, drive four arc splint and be close to the clamping to the turbine axle together, adopt integral type clamping means, greatly reduced the probability of pressing from both sides the off-set, can improve turbo charger's quality and production efficiency, can also clamp the turbine axle of different specifications, application scope is wider.

2. Through setting up the spring, when arc splint carry out the clamping to the turbine axle, the spring can provide certain buffering to avoid turbine axle surface atress suddenly, cause the turbine axle to be pressed from both sides the damage.

3. Through setting up spacing subassembly, through inserting the gag lever post in the spacing groove, inject the rotation position of lead screw to avoid the lead screw to rotate, drive arc splint and remove, thereby cause the clamping failure to the turbine axle.

Drawings

FIG. 1 is a schematic perspective view of a friction welding clamping tool according to the present utility model;

FIG. 2 is a schematic bottom view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

fig. 4 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: the device comprises a mounting seat 1, a fixing cylinder 2, a sliding rod 3, an arc-shaped block 4, a spring 5, an arc-shaped clamping plate 6, a lead screw 7, a rotating shaft 8, a fixing rod 9, a toothed ring 10, a gear 11, a rotating hand 12, a limiting rod 13 and a limiting groove 14.

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.

Referring to fig. 1-4, a friction welding clamping tool comprises a mounting seat 1, wherein the lower end of the mounting seat 1 is fixedly connected with a fixed cylinder 2;

Clamping mechanism, clamping mechanism includes slide bar 3, arc piece 4, spring 5, arc splint 6, first drive assembly and second drive assembly, a plurality of slide bars 3 of fixed cylinder 2 inner wall fixedly connected with, the equal sliding connection of a plurality of slide bar 3 lateral walls has arc piece 4, a plurality of springs 5 of arc piece 4 lateral wall fixedly connected with, a plurality of springs 5 other end fixedly connected with arc splint 6 jointly, arc splint 6 lateral wall is carved with anti-skidding line, is provided with first drive assembly on the fixed cylinder 2, is provided with second drive assembly on the mount pad 1.

The first driving assembly comprises a plurality of lead screws 7 which are rotatably connected to the inner wall of the fixed cylinder 2, and the side walls of the lead screws 7 are in threaded connection with the arc-shaped blocks 4.

The second drive assembly is including rotating the pivot 8 of connecting in mount pad 1 upper end, and pivot 8 lateral wall symmetry fixedly connected with a plurality of dead levers 9, a plurality of dead levers 9 all are L shape, and a plurality of dead levers 9 lower extreme fixedly connected with ring gear 10 jointly, a plurality of lead screws 7 one end run through fixed section of thick bamboo 2 lateral wall and fixedly connected with gear 11, and gear 11 is connected with ring gear 10 meshing.

The second driving assembly further comprises a rotating hand 12 fixedly connected to the upper end of the rotating shaft 8, and a limiting assembly for limiting the rotating position of the rotating shaft 8 is arranged on the rotating hand 12.

The limiting component comprises a limiting rod 13 which is slidably connected to the side wall of the rotating hand 12, a plurality of limiting grooves 14 which are matched with the limiting rod 13 are formed in the upper end of the mounting seat 1, the limiting grooves 14 are symmetrically formed along the axis of the rotating shaft 8, the limiting rod 13 is inserted into the limiting grooves 14 to limit the rotating position of the screw rod 7, so that the screw rod 7 is prevented from rotating, the arc clamping plate 6 is driven to move, and clamping failure of a turbine shaft is caused.

The number of the sliding rods 3 is 4, the number of the arc-shaped blocks 4, the arc-shaped clamping plates 6 and the number of the lead screws 7 are all 4, and the sliding rods 3 are symmetrically arranged along the circle center of the fixed cylinder 2.

According to the utility model, the turbine shaft is sleeved by the fixing cylinder 2, the turbine shaft is positioned in the middle of the arc clamping plate 6, then the rotating hand 12 is rotated to drive the rotating shaft 8 to rotate, the fixing rods 9 are driven to do circular motion with the circle center of the rotating shaft 8, the toothed ring 10 is driven to rotate, the gears 11 are driven to rotate, the lead screws 7 are driven to rotate, the arc blocks 4 are driven to slide close to each other, the arc clamping plates 6 are driven to close to each other, the turbine shaft is clamped and fixed, the spring 5 is compressed firstly in the clamping and fixing process, buffering is provided, damage to the surface of the turbine shaft caused by sudden stress is avoided until the spring 5 is compressed to the limit, at the moment, the arc clamping plate 6 completely clamps and fixes the turbine shaft, and finally the limiting rod 13 is inserted into the corresponding limiting groove 14 to limit the rotating position of the rotating shaft 8.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a friction welding clamping frock which characterized in that includes:

The mounting seat (1), the fixed cylinder (2) is fixedly connected with the lower end of the mounting seat (1);

clamping mechanism, clamping mechanism includes slide bar (3), arc piece (4), spring (5), arc splint (6), first drive assembly and second drive assembly, a plurality of slide bars (3) of fixed cylinder (2) inner wall fixedly connected with, a plurality of slide bar (3) lateral wall equal sliding connection has arc piece (4), arc piece (4) lateral wall fixedly connected with a plurality of springs (5), a plurality of the common fixedly connected with arc splint (6) of spring (5) other end, be provided with first drive assembly on fixed cylinder (2), be provided with second drive assembly on mount pad (1).

2. The friction welding clamping tool of claim 1, wherein:

The first driving assembly comprises a plurality of lead screws (7) rotatably connected to the inner wall of the fixed cylinder (2), and the side walls of the lead screws (7) are in threaded connection with the arc-shaped blocks (4).

3. The friction welding clamping tool of claim 2, wherein:

The second driving assembly comprises a rotating shaft (8) which is rotationally connected to the upper end of the mounting seat (1), a plurality of fixing rods (9) are symmetrically and fixedly connected to the side wall of the rotating shaft (8), a plurality of toothed rings (10) are fixedly connected to the lower ends of the fixing rods (9) together, one end of each screw rod (7) penetrates through the side wall of the corresponding fixing barrel (2) and is fixedly connected with a gear (11), and the gears (11) are meshed with the toothed rings (10).

4. A friction welding clamping tool according to claim 3 wherein:

The second driving assembly further comprises a rotating hand (12) fixedly connected to the upper end of the rotating shaft (8), and a limiting assembly for limiting the rotating position of the rotating shaft (8) is arranged on the rotating hand (12).

5. The friction welding clamping tool of claim 4, wherein:

The limiting assembly comprises a limiting rod (13) which is slidably connected to the side wall of the rotating hand (12), a plurality of limiting grooves (14) matched with the limiting rod (13) are formed in the upper end of the mounting seat (1), and the limiting grooves (14) are symmetrically arranged along the axis of the rotating shaft (8).

6. The friction welding clamping tool of claim 5, wherein:

The number of the sliding rods (3) is 4, the number of the arc-shaped blocks (4), the arc-shaped clamping plates (6) and the number of the lead screws (7) are all 4, and the sliding rods (3) are symmetrically arranged along the circle center of the fixed cylinder (2).

7. The friction welding clamping tool of claim 6, wherein:

The fixing rods (9) are L-shaped.