CN218312075U

CN218312075U - End face conversion tool for crankshaft machining

Info

Publication number: CN218312075U
Application number: CN202222003370.3U
Authority: CN
Inventors: 齐建保; 齐鑫杭
Original assignee: Qingdao Baohang Machinery Co ltd
Current assignee: Qingdao Baohang Machinery Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2023-01-17
Anticipated expiration: 2032-07-30

Abstract

The utility model discloses a terminal surface conversion frock is used in bent axle processing, including first installation storehouse, the inside one end in first installation storehouse is run through there is the pivot, and the pivot is close to the outside of first installation storehouse one end and installs the worm wheel, the one end that first installation storehouse was kept away from in the pivot is installed second installation storehouse, be provided with on the first installation storehouse and be used for driving pivot pivoted actuating mechanism, the arc wall has all been seted up to the inside bottom in second installation storehouse and the both sides at top. The utility model discloses a meshing of worm and worm wheel is connected for operating personnel accomplishes the processing back to a set of terminal surface of bent axle in the centre gripping, can control first servo motor and drive the output shaft and rotate and make the bent axle rotate thereupon, and then can change the orientation of terminal surface, make another group's terminal surface aim at with the processing equipment, and then need not carry out the centre gripping again and can continue to accomplish the processing task, and is more convenient, and is convenient for dismantle or change different models to the clamping part.

Description

End face conversion tool for crankshaft machining

Technical Field

The utility model relates to a bent axle processing technology field especially relates to a bent axle is terminal surface conversion frock for processing.

Background

The crankshaft is one of rotating shafts, is generally used in an engine or in various mechanical transmission parts, and needs to go through a plurality of steps during machining, such as grinding the end face part of the crankshaft, and in the process, the crankshaft needs to be clamped and fixed by a machining tool.

When the existing tool for crankshaft machining is used, the existing tool can clamp and fix a crankshaft from the outer wall of the crankshaft generally, when the end face of the crankshaft is machined, the end face of the crankshaft can face a machining device and is clamped from the outer side generally, but after a group of end faces are machined, the end face of the crankshaft needs to be machined from another group of end faces, the clamping needs to be removed, the rotating shaft needs to be turned over, the other end face of the crankshaft is aligned with the machining device, then the crankshaft is clamped and fixed, and the whole operation process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the terminal surface conversion frock is used in crankshaft machining who provides, it is connected through the meshing of worm and worm wheel, make operating personnel accomplish the processing back to a set of terminal surface of bent axle in the centre gripping, can control first servo motor and drive the output shaft and rotate and make the bent axle rotate thereupon, and then can change the orientation of terminal surface, make another terminal surface of group aim at with the processing equipment, and then need not carry out the centre gripping again and can continue to accomplish the processing task, and is more convenient.

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

the utility model provides a terminal surface conversion frock is used in bent axle processing, includes first installation storehouse, the inside one end in first installation storehouse is run through there is the pivot, and the pivot is close to the outside of first installation storehouse one end and installs the worm wheel, the one end that first installation storehouse was kept away from in the pivot is installed second installation storehouse, be provided with on the first installation storehouse and be used for driving pivot pivoted actuating mechanism, the arc wall has all been seted up to the both sides of the inside bottom in second installation storehouse and top, and the both sides of the inside bottom in second installation storehouse all are provided with the movable block, the fixed block is installed to the one end that first installation storehouse was kept away from to the movable block, and the inside of fixed block is provided with the installation piece to the one end that the fixed block was kept away from to the installation piece is installed the grip block, the spacing groove has all been seted up to the one end that installation piece top and bottom were close to the movable block, the top and the bottom of fixed block have all run through the gag lever, and the gag lever post extends to the inside of spacing groove, the one end that the mounting block was kept away from the installation piece is installed the U template, and is connected with the spring between U and the inside of fixed block is provided with the inside, and the inside wall is provided with the actuating mechanism that is used for driving the movable block and is provided with the U template.

Preferably, the bottom of first installation storehouse both sides all installs the fixed plate, and the pilot hole has been seted up at the top of fixed plate.

Preferably, the driving mechanism comprises a first servo motor installed at the bottom inside the first installation bin, an output shaft is connected to the output end of the first servo motor, and a worm is installed on the outer side of the output shaft.

Preferably, the central axis of the worm is perpendicular to the central axis of the worm wheel, and the worm is in meshed connection with the worm wheel.

Preferably, actuating mechanism is including installing the second servo motor in second installation storehouse one side, second servo motor's output is connected with positive and negative lead screw, and positive and negative lead screw runs through second installation storehouse and movable block respectively.

Preferably, positive and negative lead screw is connected for rotating with second installation storehouse, and positive and negative lead screw and movable block be threaded connection.

Compared with the prior art, the utility model, its beneficial effect does:

1. the worm is connected with the worm wheel in a meshed mode, so that after an operator finishes machining a group of end faces of the crankshaft in clamping, the first servo motor can be controlled to drive the output shaft to rotate, the crankshaft rotates along with the end faces, the orientation of the end faces can be converted, another group of end faces is aligned with machining equipment, and further the machining task can be continuously finished without being clamped again, and the clamping is more convenient.

2. Through the threaded connection of two sets of movable blocks respectively with positive and negative lead screw, when making second servo motor drive positive and negative lead screw and rotate, two sets of movable blocks can the opposite direction move accomplish the centre gripping task to the bent axle, simultaneously when the movable block drives the fixed block on it and removes to the extreme position department of keeping away from in the middle of, the U template can get into in the arc wall that corresponds, the spring can drive the gag lever post and leave the spacing inslot that corresponds and remove the spacing to the installation piece, and then be convenient for operating personnel to change the installation piece and the grip block on it and maintain or adjust the model and carry out the centre gripping to the bent axle of different diameters.

Drawings

Fig. 1 is a schematic view of a front sectional structure of an end face conversion tool for crankshaft machining according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic view of a front view structure of an end face conversion tool mounting block for crankshaft machining according to the present invention;

fig. 4 is the utility model provides a crankshaft machining is with main sectional structure schematic view of looking in the first installation storehouse of terminal surface conversion frock.

In the figure: the device comprises a first mounting bin 1, a rotating shaft 2, a worm wheel 3, a second mounting bin 4, a fixing plate 5, a mounting hole 6, a first servo motor 7, an output shaft 8, a worm 9, an arc-shaped groove 10, a movable block 11, a fixing block 12, a mounting block 13, a clamping plate 14, a limiting groove 15, a limiting rod 16, a U-shaped plate 17, a spring 18, a roller assembly 19, a second servo motor 20 and a positive and negative screw rod 21.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

Referring to fig. 1-4, an end face conversion tool for crankshaft machining comprises a first installation bin 1, a rotating shaft 2 penetrates through one end inside the first installation bin 1, a worm wheel 3 is installed on the outer side, close to one end of the first installation bin 1, of the rotating shaft 2, a second installation bin 4 is installed on one end, far away from the first installation bin 1, of the rotating shaft 2, fixing plates 5 are installed at the bottoms of two sides of the first installation bin 1, and assembling holes 6 are formed in the tops of the fixing plates 5, so that an operator can conveniently install the end face conversion tool on crankshaft machining equipment for use;

the first mounting bin 1 is provided with a driving mechanism for driving the rotating shaft 2 to rotate, the driving mechanism comprises a first servo motor 7 mounted at the bottom inside the first mounting bin 1, the output end of the first servo motor 7 is connected with an output shaft 8, a worm 9 is mounted on the outer side of the output shaft 8, the central axis of the worm 9 is perpendicular to the central axis of the worm wheel 3, and the worm 9 is meshed with the worm wheel 3, so that when the first servo motor 7 drives the output shaft 8 to rotate, the rotating shaft 2 can drive the second mounting bin 4 to rotate correspondingly, and the end face orientation of the crankshaft can be converted, so that operators can process two ends of the crankshaft conveniently, and meanwhile, the rotating shaft 2 and the output shaft 8 are connected with the first mounting bin 1 through bearings respectively, and the stability of the rotating shaft 2 and the output shaft 8 in the rotating process is ensured;

arc-shaped grooves 10 are respectively arranged at the bottom and two sides of the top in the second mounting bin 4, movable blocks 11 are respectively arranged at two sides of the bottom in the second mounting bin 4, a fixed block 12 is arranged at one end of each movable block 11 far away from the first mounting bin 1, a mounting block 13 is arranged in each fixed block 12, a clamping plate 14 is arranged at one end of each mounting block 13 far away from the fixed block 12, limiting grooves 15 are respectively arranged at one ends of the top and the bottom of each mounting block 13 close to the movable block 11, limiting rods 16 penetrate through the top and the bottom of each fixed block 12, each limiting rod 16 extends into the corresponding limiting groove 15, a U-shaped plate 17 is arranged at one end of each limiting rod 16 far away from the corresponding mounting block 13, and a spring 18 is connected between each U-shaped plate 17 and the corresponding fixed block 12, and the inside wall of the U-shaped plate 17 is provided with a roller assembly 19, an actuating mechanism for driving the movable blocks 11 to move is arranged on the second mounting bin 4, the actuating mechanism comprises a second servo motor 20 mounted on one side of the second mounting bin 4, the output end of the second servo motor 20 is connected with a positive and negative lead screw 21, the positive and negative lead screw 21 respectively penetrates through the second mounting bin 4 and the movable blocks 11, the positive and negative lead screw 21 is rotatably connected with the second mounting bin 4, and the positive and negative lead screw 21 is in threaded connection with the movable blocks 11, so that when the second servo motor 20 drives the positive and negative lead screw 21 to rotate, the two groups of movable blocks 11 can move in opposite directions and further drive the clamping plates 14 on the positive and negative lead screw to move, thereby matching to complete the tasks of clamping or releasing the clamping of the crankshaft.

The utility model discloses during the use, as shown in fig. 1-4, install the device in the assigned position of processing equipment and switch on the power, keep the bent axle between two sets of grip blocks 14, control second servo motor 20 and drive positive and negative lead screw 21 forward rotation, through the threaded connection of two sets of movable blocks 11 respectively with positive and negative lead screw 21, two sets of movable blocks 11 respectively with the sliding connection of second installation storehouse 4, make two sets of movable blocks 11 can drive the movable block 11 on it to the direction that is close to the centre simultaneously at this moment, until two sets of movable blocks 11 carry out the centre gripping to the outer wall of bent axle fixedly, it can to process bent axle up terminal surface this moment, control first servo motor 7 and drive output shaft 8 and rotate after the processing is accomplished, be connected through the meshing of worm 9 and worm wheel 3, make pivot 2 can drive second installation storehouse 4 and correspond the rotation along with it at this moment, and then make the bent axle of centre gripping rotate along with it, until the lower terminal surface of bent axle rotates to the processing position that faces up and aim at the equipment, process this terminal surface, simultaneously can not cause the first servo motor 7 to be enough big load that the worm wheel can be driven by worm wheel 3;

when the fixed block 12 and the mounting block 13 need to be dismounted, the second servo motor 20 is controlled to drive the positive and negative screw rods 21 to reversely rotate, so that the two groups of movable blocks 11 simultaneously move towards the direction far away from the middle until the movable blocks 11 move to the limit positions far away from the middle, at the moment, the U-shaped plates 17 and the corresponding arc-shaped grooves 10 are further formed, because the springs 18 are in a compressed state under the initial state, the springs 18 can drive the limiting rods 16 and the U-shaped plates 17 to move towards the direction far away from the middle, the limiting rods 16 are further separated from the corresponding limiting grooves 15, the limiting fixing of the mounting block 13 and the fixed block 12 is released, the mounting block 13 can slide out of the corresponding fixed block 12 to be dismounted, meanwhile, when the crankshaft is normally clamped and the clamping is released, the movable blocks 11 do not need to move to the limit positions far away from the middle, after the mounting block 13 and the clamping plates 14 on the mounting block are dismounted, the crankshaft is maintained or different models can clamp crankshafts with different diameters by replacing the crankshaft.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a terminal surface conversion frock is used in bent axle processing, includes first installation storehouse (1), its characterized in that, the one end of first installation storehouse (1) inside has run through pivot (2), and pivot (2) are close to the outside of first installation storehouse (1) one end and install worm wheel (3), second installation storehouse (4) is installed to the one end that first installation storehouse (1) was kept away from in pivot (2), be provided with on first installation storehouse (1) and be used for driving pivot (2) pivoted actuating mechanism, arc wall (10) have all been seted up to the both sides of second installation storehouse (4) inside bottom and top, and the both sides of second installation storehouse (4) inside bottom all are provided with movable block (11), movable block (11) are kept away from the one end in first installation storehouse (1) and are installed fixed block (12), and the inside of fixed block (12) is provided with installation block (13), and the one end that installation block (13) kept away from movable block (12) is all seted up fixed block (14), the one end that movable block (13) top and movable block (11) were kept away from bottom and movable block (11) all set up and one end is close to the one end and is installed and the one end of limiting rod (16) is all run through the U15, limiting rod (16) and the top of limiting plate (16) and the limiting rod (16) are all installed to the mounting plate (16), and a spring (18) is connected between the U-shaped plate (17) and the fixed block (12), a roller assembly (19) is arranged on the inner side wall of the U-shaped plate (17), and an actuating mechanism for driving the movable block (11) to move is arranged on the second mounting bin (4).

2. The end face conversion tool for crankshaft machining according to claim 1, wherein fixing plates (5) are mounted at the bottoms of two sides of the first mounting bin (1), and assembling holes (6) are formed in the tops of the fixing plates (5).

3. The end face conversion tool for crankshaft machining according to claim 1, wherein the driving mechanism comprises a first servo motor (7) installed at the bottom inside the first installation bin (1), an output end of the first servo motor (7) is connected with an output shaft (8), and a worm (9) is installed on the outer side of the output shaft (8).

4. The end face conversion tool for processing the crankshaft as claimed in claim 3, wherein the central axis of the worm (9) is perpendicular to the central axis of the worm wheel (3), and the worm (9) is meshed with the worm wheel (3).

5. The end face conversion tool for crankshaft machining according to claim 1, wherein the actuating mechanism comprises a second servo motor (20) installed on one side of the second installation bin (4), an output end of the second servo motor (20) is connected with a positive and negative screw rod (21), and the positive and negative screw rod (21) penetrates through the second installation bin (4) and the movable block (11) respectively.

6. The end face conversion tool for crankshaft machining according to claim 5, wherein the positive and negative screw rod (21) is rotatably connected with the second mounting bin (4), and the positive and negative screw rod (21) is in threaded connection with the movable block (11).