CN211638874U - Rolling device for small-head journal fillet of crankshaft - Google Patents

Abstract

The utility model discloses a little first axle journal fillet rolling press device of bent axle, comprising a base plate, the upper end fixedly connected with sound-proof box of bottom plate, sound-proof box's interior bottom is equipped with square piece, be equipped with logical groove in the square piece, the bent axle body has been placed in leading to the inslot, square piece's upper end is equipped with the fixture that is used for centre gripping bent axle body, the rolling mechanism that is used for rolling the bent axle body is established at sound-proof box's interior top, be equipped with the bar chamber in the bottom plate, the bar intracavity is equipped with and is used for controlling the moving mechanism of square piece, glass sliding door is installed to sound-proof box's front side, the front side of bottom plate is equipped with and is used for observing the inside transparent visual layer in bar chamber, the printing has the scale on the transparent visual layer. The device can effectually reduce the noise that the during operation produced, and is equipped with scale and scale alignment, can improve and carry out the precision of roll extrusion.

Description

Rolling device for small-head journal fillet of crankshaft

Technical Field

The utility model relates to the field of machining, especially, relate to bent axle microcephaly axle journal fillet rolling press device.

Background

The main rotating parts of the engine when the crankshaft is installed, after the connecting rod is installed, the up-and-down (reciprocating) motion of the connecting rod can be changed into a circulating motion, and the crankshaft is an important part on the engine and is made of carbon structural steel or nodular cast iron. Need use the rolling press device body to carry out the roll extrusion to the bent axle in bent axle production process, mainly roll extrusion to the little head journal of bent axle, present rolling press device body can produce great noise when carrying out the roll extrusion, and long-time work has certain potential safety hazard by the rolling press device body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the little first axle journal fillet rolling press device of bent axle that proposes, the device can effectual reducing mechanism carry out the produced noise of during operation, and is equipped with scale and scale alignment, can improve and carry out the rolled precision.

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

the crankshaft small-end journal fillet rolling device comprises a bottom plate, wherein a sound insulation box is fixedly connected to the upper end of the bottom plate, a square block is arranged at the inner bottom of the sound insulation box, a through groove is formed in the square block, a crankshaft body is placed in the through groove, a clamping mechanism used for clamping the crankshaft body is arranged at the upper end of the square block, a rolling mechanism used for rolling the crankshaft body is arranged at the inner top of the sound insulation box, a strip-shaped cavity is formed in the bottom plate, a moving mechanism used for moving the square block left and right is arranged in the strip-shaped cavity, a glass sliding door is installed at the front side of the sound insulation box, a transparent visual layer used for observing the inside of the strip-shaped cavity is arranged at the front side of the bottom plate, a scale is printed on the transparent visual layer, a plurality of support bars are fixedly connected to the lower end of the bottom plate, the clamping mechanism comprises an electric telescopic, the rolling mechanism comprises a hydraulic telescopic rod arranged at the top in the sound insulation box, and the telescopic end of the hydraulic telescopic rod is fixedly connected with a rolling device body.

Preferably, the lower ends of the support bars are provided with a layer of non-slip mat.

Preferably, moving mechanism is including setting up the crank in bottom plate one side, the axis of rotation of crank extends to bar intracavity and threaded connection has the threaded rod, the threaded rod is kept away from crank axis of rotation one end and is connected with the inner wall rotation in bar chamber, threaded connection has the slider on the threaded rod, the front side of slider is opened and is equipped with the scale guideline, the slider is connected with the inner wall sliding in bar chamber, the interior ground portion in bar chamber and soundproof box passes through.

Preferably, a pulling handle is installed at the front side of the glass sliding door.

Compared with the prior art, the utility model, its beneficial effect does: be provided with sound-proof box, when using, sound-proof box can absorb most noise, has reduced the harm that the noise caused to the human body. Be provided with fixture, moving mechanism and rolling mechanism, during the use, open the glass sliding door, put the logical groove in the square block with the bent axle body, put the little head axle of bent axle on the right side, then start electric telescopic handle and drive spacing splint and move down, carry out the centre gripping to the bent axle body, rotate the threaded rod through shaking the crank this moment, thereby it removes to drive the slider, the slider passes through the connecting rod and drives square block and remove, square block drives bent axle body and removes the regulation that carries out the position, when adjusting suitable position, start hydraulic pressure telescopic rod and drive the rolling press device body and move down, roll extrusion to the bent axle body, it can to close the sliding door this moment, can improve the precision of carrying out the roll extrusion through being equipped with scale and scale alignment.

Drawings

Fig. 1 is a schematic structural view of a crankshaft small-end journal fillet rolling device provided by the present invention;

fig. 2 is a front schematic view of a crankshaft small-end journal fillet rolling device provided by the utility model;

fig. 3 is the utility model provides a bent axle microcephaly axle journal fillet rolling press device A department enlargies the structure schematic diagram.

In the figure: 1 threaded rod, 2 sliders, 3 scale alignment marks, 4 connecting rods, 5 bar-shaped cavities, 6 cranks, 7 bottom plates, 8 square blocks, 9 crankshaft bodies, 10 bar-shaped openings, 11 rolling device bodies, 12 hydraulic telescopic rods, 13 sound insulation boxes, 14 supporting bars, 15 glass sliding doors, 16 transparent visual layers, 17 scales, 18 electric telescopic rods and 19 limiting clamping plates.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, crankshaft small-end journal fillet rolling press device, comprising a base plate 7, the upper end fixedly connected with sound-proof box 13 of bottom plate 7, sound-proof box 13 is the box of making with sound-proof material, the interior bottom of sound-proof box 13 is equipped with square piece 8, be equipped with logical groove in the square piece 8, logical inslot has placed crankshaft body 9, the upper end of square piece 8 is equipped with the fixture that is used for centre gripping crankshaft body 9, the rolling mechanism that is used for rolling crankshaft body 9 is equipped with at sound-proof box 13's interior top, be equipped with bar chamber 5 in the bottom plate 7, be equipped with the moving mechanism that is used for moving left and right square piece 8 in the bar chamber 5, glass sliding door 15 is installed to sound-proof box 13's front side, the transparent visual layer 16 that is used for observing bar chamber 5 inside is equipped with to bottom plate 7's front side, transparent visual layer 16 is glass. Fixture is including setting up electric telescopic handle 18 in square 8 upper ends, and electric telescopic handle 18's lower extreme extends to logical inslot and fixedly connected with spacing splint 19. The rolling mechanism comprises a hydraulic telescopic rod 12 arranged at the top in the sound insulation box 13, the telescopic end of the hydraulic telescopic rod 12 is fixedly connected with a rolling device body 11, and the rolling device body 11 is an existing device and is used for rolling parts.

Wherein, the lower extreme of a plurality of support bars 14 all is equipped with one deck slipmat, prevents that during operation, whole device from producing and rocking.

Wherein, moving mechanism is including setting up crank 6 in 7 one sides of bottom plate, and there is threaded rod 1 in the axis of rotation of crank 6 extends to bar chamber 5 and threaded connection, and 6 axis of rotation one end of crank and the inner wall rotation in bar chamber 5 are connected are kept away from to threaded rod 1, and threaded connection has slider 2 on threaded rod 1, and the front side of slider 2 is opened and is equipped with scale guideline 3, and slider 2 and the inner wall sliding connection in bar chamber 5, bar chamber 5 passes through with the interior ground portion of sound-proof box 13.

Wherein, the pulling handle is installed at the front side of the glass sliding door 15, which facilitates the opening and closing of the glass sliding door 15.

During the use, open glass sliding door 15, put bent axle body 9 in the logical groove in square piece 8, put bent axle body 9's little head axle on the right side, then start electric telescopic handle 18 and drive spacing splint 19 and move down, carry out the centre gripping to bent axle body 9, rotate threaded rod 1 through waveing crank 6 this moment, thereby drive slider 2 and remove, slider 2 drives square piece 8 through connecting rod 4 and removes, square piece 8 drives bent axle body 9 and removes the regulation that carries out the position, when adjusting suitable position, start hydraulic telescopic rod 12 and drive rolling press device body 11 and move down, roll extrusion to bent axle body 9, the glass sliding door 15 of closing the door this moment can, can improve the precision of carrying out the roll extrusion through being equipped with scale 17 and scale alignment 3, sound-proof box 13 can absorb most noise, the harm that the noise caused to the human body has been reduced.

Claims (4)

1. The fillet rolling device for the small-end journal of the crankshaft comprises a bottom plate (7) and is characterized in that a sound insulation box (13) is fixedly connected to the upper end of the bottom plate (7), a square block (8) is arranged at the inner bottom of the sound insulation box (13), a through groove is formed in the square block (8), a crankshaft body (9) is placed in the through groove, a clamping mechanism used for clamping the crankshaft body (9) is arranged at the upper end of the square block (8), a rolling mechanism used for rolling the crankshaft body (9) is arranged at the inner top of the sound insulation box (13), a strip-shaped cavity (5) is formed in the bottom plate (7), a moving mechanism used for moving the square block (8) left and right is arranged in the strip-shaped cavity (5), a glass sliding door (15) is installed on the front side of the sound insulation box (13), a transparent visual layer (16) used for observing the inside of the strip-shaped cavity (5, the printing has scale (17) on transparent visual layer (16), a plurality of support bars of lower extreme fixedly connected with (14) of bottom plate (7), fixture is including setting up electric telescopic handle (18) in square piece (8) upper end, electric telescopic handle's (18) lower extreme extends to logical inslot and fixedly connected with stop splint (19), rolling mechanism is including setting up hydraulic telescoping rod (12) at sound-proof box (13) interior top, the flexible end fixedly connected with rolling device body (11) of hydraulic telescoping rod (12).

2. The apparatus for fillet rolling of a small end journal of a crankshaft as claimed in claim 1, wherein the support bars (14) are each provided at their lower ends with a layer of non-slip mat.

3. The small-end journal fillet rolling device of crankshaft according to claim 2, characterized in that the moving mechanism includes a crank (6) disposed on one side of a bottom plate (7), the rotating shaft of the crank (6) extends into the bar-shaped cavity (5) and is connected with a threaded rod (1) in a threaded manner, one end of the threaded rod (1) far away from the rotating shaft of the crank (6) is connected with the inner wall of the bar-shaped cavity (5) in a rotating manner, a sliding block (2) is connected with the threaded rod (1) in a threaded manner, a scale alignment line (3) is disposed on the front side of the sliding block (2), the sliding block (2) is connected with the inner wall of the bar-shaped cavity (5) in a sliding manner, and the bar-shaped cavity (5) passes through the inner ground of.

4. The apparatus of claim 1, wherein a pull handle is mounted to the front side of the sliding glass door (15).

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