CN219617162U - Crankshaft machining fixing mechanism - Google Patents

Abstract

The utility model discloses a crankshaft machining and fixing mechanism, which structurally comprises a clamping structure and a rotating structure, wherein the vertical bottom end of a crankshaft is firstly placed into a placing cylinder part in a fixed clamping seat, then the top end of the crankshaft is aligned with the placing cylinder of a movable clamping seat, and then an electric push rod is started to pull a movable block downwards in a movable groove, so that a lower pressing plate is driven to push the movable clamping seat downwards to clamp and fix the crankshaft between the movable clamping seat and the fixed clamping seat.

Description

Crankshaft machining fixing mechanism

Technical Field

The utility model relates to the technical field of crankshaft machining, in particular to a crankshaft machining fixing mechanism.

Background

The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending torsion load. Therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.

The crankshaft is required to be fixed in the crankshaft machining process so as to be convenient to machine, but the conventional crankshaft fixing mode is mainly implemented by a bench vice or other clamping mechanisms, and the modes are complex to operate in the fixing process, are inconvenient for fixing operation of staff, and lead to low working efficiency.

Therefore, the crankshaft fixing mechanism is convenient to fix quickly and operate.

Disclosure of Invention

First, the technical problem to be solved

In order to overcome the defects of the prior art, a crankshaft machining fixing mechanism is provided at present to solve the problems that in the prior art, a crankshaft needs to be fixed in the crankshaft machining process so as to facilitate machining, but the existing crankshaft fixing mode is mostly fixed by a bench vice or other clamping mechanisms, and the modes are complex in operation in the fixing process, are inconvenient for the fixing operation of staff, and lead to low working efficiency.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a crankshaft machining fixing mechanism, which comprises

The clamping structure comprises a bottom plate seat, the bottom plate seat upper end is equipped with the stand of rectangle, the stand outside is equipped with the controller, the stand is inside to be equipped with movable groove, and the movable groove upper end is equipped with the fluting about running through, the inside movable block that is equipped with of movable groove, and the inside lower extreme of movable groove is equipped with electric putter, electric putter output is connected with the movable block, the movable block outside is connected with the holding down plate, and the holding down plate lower extreme is equipped with movable clamping seat, bottom plate seat upper end corresponds the department with movable clamping seat and is equipped with the fixed clamping seat, and is equipped with rotating-structure between movable clamping seat and the fixed clamping seat.

Further, the movable clamping seat and the fixed clamping seat are composed of a stress plate arranged at the bottom end and a placing cylinder arranged at the inner side of the stress plate, and a rubber layer is attached to the inside of the placing cylinder.

Further, the rotating structure comprises a rotating shaft arranged at the lower end of the fixed clamping seat, the upper end of the rotating shaft is connected with the stress plate, the lower end of the rotating shaft is connected with the bottom plate seat through a connecting bearing, a motor is arranged at the upper end of the lower pressing plate, and the output end of the motor penetrates through the lower pressing plate through the bearing and is connected with the stress plate in the movable clamping seat.

Further, the movable block opposite side is equipped with the extension board that runs through the fluting, the stand top is equipped with the kicking block, the kicking block lower extreme is equipped with the locating lever and runs through the slide hole that the extension inboard set up and be connected with the bottom plate seat.

Further, the other side of the bottom plate seat is provided with a telescopic rod connected with the lengthening plate.

Further, the outer ring of the bottom plate seat is provided with a plurality of fixing holes.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the crankshaft is vertically placed in the placing cylinders in the movable clamping seat and the fixed clamping seat, and then the electric push rod is started to pull the movable block to move downwards, so that the lower pressing plate is driven to push the movable clamping seat to clamp and fix the crankshaft downwards, and the problems that the existing crankshaft fixing equipment is complex in operation and inconvenient, the working efficiency of staff is low, and the use condition is influenced are avoided, so that the effect of quick fixing is achieved.

According to the utility model, the movable clamping seat is driven by the motor to rotate, so that the crankshaft can rotate under the action of the connecting bearing at the lower end of the fixed clamping seat, and therefore, the processing of different directions of the crankshaft is realized, and the working efficiency is high and the practicability is better.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

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

FIG. 2 is a schematic view of the internal structure of the column according to the present utility model;

FIG. 3 is a schematic structural view of the column of the present utility model;

FIG. 4 is a schematic side view of a movable clamping seat and a fixed clamping seat according to the present utility model;

in the figure: the device comprises a base plate seat-1, an upright post-2, a movable groove-3, a slot-4, a movable block-5, a lower pressing plate-6, an extension plate-7, an electric push rod-8, a motor-9, a movable clamping seat-10, a fixed clamping seat-11, a rotating shaft-12, a connecting bearing-13, a top block-14, a sliding hole-15, a positioning rod-16, a telescopic rod-17, a controller-18, a stress plate-19, a placing cylinder-110 and a rubber layer-111.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a crankshaft machining fixing mechanism, which comprises a clamping structure and a rotating structure;

please refer to fig. 1, fig. 2 and fig. 3, the clamping structure includes the bottom plate seat 1 with this area of contact who increases low terminal surface, make the supporting effect increase, and be equipped with a plurality of fixed orifices in bottom plate seat 1 outer lane and be connected with outside workstation with this convenience, in order to reach fixed effect, bottom plate seat 1 upper end is equipped with rectangular stand 2, and the stand 2 outside is equipped with the work of the electric component among the controller 18 in order to control the device, stand 2 inside is equipped with movable groove 3, and movable groove 3 upper end is equipped with the fluting 4 about running through, movable groove 3 inside is equipped with movable block 5, and movable block 5 and movable groove 3 all are square setting, and laminating slip, and have protruding portion and fluting 4 sliding connection about movable block 5, and movable groove 3 inside lower extreme is equipped with electric putter 8, electric putter 8 output and movable block 5 are connected, make it reach the effect of moving movable block 5, avoid the condition of manual work downward pulling, the protruding portion in the movable block 5 outside is connected with holding down plate 6, conveniently drive movable seat 10 through holding down plate 6 and move, and the movable clamp 6 lower extreme is equipped with movable clamp 10, and the movable clamp 10 is equipped with the clearance between the fixed seat 10 and the fixed position is fixed with the fixed crank shaft 11 through the height that the movable seat is adjusted to the height that presss from top to bottom plate 10, the fixed position is fixed between the fixed seat is fixed with the fixed seat 11 through the height that the movable seat is adjusted.

Referring to fig. 4, the movable clamping seat 10 and the fixed clamping seat 11 are composed of a force-bearing plate 19 disposed at the bottom end, and are conveniently connected in a rotating manner through the force-bearing plate 19, and a placing cylinder 110 disposed at the inner side of the force-bearing plate 19, so as to position the upper and lower ends of the crankshaft, and play a role in protecting against the two sides from escaping during processing, and a rubber layer 111 is disposed inside the placing cylinder 110 in a fitting manner, so as to protect the crankshaft and increase the friction force therebetween.

Referring to fig. 1, the rotating structure includes a rotating shaft 12 disposed at a lower end of a fixed clamping seat 11, an upper end of the rotating shaft 12 is connected with a force-bearing plate 19, a lower end of the rotating shaft 12 is connected with a bottom plate seat 1 through a connecting bearing 13, a motor 9 is disposed at an upper end of a lower pressure plate 6, an output end of the motor 9 penetrates through the lower pressure plate 6 through the bearing to be connected with the force-bearing plate 19 in a movable clamping seat 10, the force-bearing plate 19 is driven by the motor 9 to rotate the movable clamping seat 10 at the upper end, and the movable clamping seat 10 is forced by the connecting bearing 13 to rotate together under the action of a crankshaft, so that the rotation of the crankshaft is completed, and different directions are processed.

Wherein, movable block 5 opposite side is equipped with the extension board 7 that runs through fluting 4, and stand 2 top is equipped with kicking block 14, and the kicking block 14 lower extreme is equipped with locating lever 16 and runs through the slide hole 15 that extension board 7 inboard set up and be connected with bottom plate seat 1, strengthens the movable block 5 location through locating lever 16 and slide hole 15 to make the condition that avoids fixed one end weight too big to lead to one end perk, bottom plate seat 1 opposite side is equipped with telescopic link 17 and is connected with extension board 7, has also strengthened the connection dynamics to movable block 5, makes balanced effect better.

Working principle: when the crank clamping device is used, the electric push rod 8, the motor 9 and the controller 18 are connected with an external power supply, the bottom plate seat 1 is fixed on a workbench through the fixing hole, then the crank shaft is erected, the bottom end of the crank shaft is placed in the placing cylinder 110 at the upper end of the fixed clamping seat 11, the upper end of the crank shaft is aligned with the placing cylinder 110 of the movable clamping seat 10, then the electric push rod 8 is started to pull the movable block 5 downwards, the lower pressing plate 6 is driven to enable the movable clamping seat 10 to be downwards together, the upper end of the crank shaft enters the placing cylinder 110, clamping fixation of the crank shaft is achieved, the motor 9 works, the movable clamping seat 10 can drive the fixed clamping seat 11 to rotate under the action of the connecting bearing 13, the crank shaft which is clamped and fixed is enabled to rotate together, and different directions are processed, and therefore the work is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A crankshaft machining fixing mechanism is characterized by comprising

The clamping structure comprises a bottom plate seat (1), the bottom plate seat (1) upper end is equipped with stand (2) of rectangle, the stand (2) outside is equipped with controller (18), stand (2) inside is equipped with movable groove (3), and movable groove (3) upper end is equipped with fluting (4) about running through, movable groove (3) inside is equipped with movable block (5), and movable groove (3) inside lower extreme is equipped with electric putter (8), electric putter (8) output is connected with movable block (5), movable block (5) outside is connected with holding down plate (6), and holding down plate (6) lower extreme is equipped with movable clamping seat (10), bottom plate seat (1) upper end is equipped with fixed clamping seat (11) with movable clamping seat (10) department correspondence, and is equipped with rotating-structure between movable clamping seat (10) and the fixed clamping seat (11).

2. The crankshaft tooling fixture of claim 1 wherein: the movable clamping seat (10) and the fixed clamping seat (11) are composed of a stress plate (19) arranged at the lower end and a placing cylinder (110) arranged on the inner side of the stress plate (19), and a rubber layer (111) is attached to the inside of the placing cylinder (110).

3. A crankshaft tooling fixture as claimed in claim 2, wherein: the rotating structure comprises a rotating shaft (12) arranged at the bottom end of a fixed clamping seat (11), the upper end of the rotating shaft (12) is connected with a stress plate (19), the lower end of the rotating shaft (12) is connected with a bottom plate seat (1) through a connecting bearing (13), a motor (9) is arranged at the upper end of a lower pressing plate (6), and the output end of the motor (9) penetrates through the lower pressing plate (6) through the bearing and is connected with the stress plate (19) in the movable clamping seat (10).

4. The crankshaft tooling fixture of claim 1 wherein: the movable block (5) opposite side is equipped with extension board (7) that runs through fluting (4), stand (2) top is equipped with kicking block (14), kicking block (14) lower extreme is equipped with locating lever (16) and runs through slide hole (15) that extension board (7) inboard set up and be connected with bottom plate seat (1).

5. The crankshaft tooling fixture of claim 4 wherein: the other side of the bottom plate seat (1) is provided with a telescopic rod (17) which is connected with the lengthening plate (7).

6. The crankshaft tooling fixture of claim 1 wherein: the outer ring of the bottom plate seat (1) is provided with a plurality of fixing holes.