CN215747944U - Special machining clamp for crankshaft drilling machine - Google Patents

Abstract

The utility model provides a special processing clamp for a crankshaft drilling machine, which comprises two supporting plates, wherein the two supporting plates are arranged in parallel and are spaced at a certain interval, a clamping mechanism for clamping the end of a crankshaft is arranged on one side, opposite to the supporting plates, of each supporting plate, the clamping mechanism comprises an Contraband-shaped fixing plate, a lower limiting block is fixedly connected to the Contraband-shaped fixing plate, an upper limiting block is arranged above the lower limiting ring, the upper limiting block and the lower limiting block are spliced to form a limiting ring for limiting the end of the crankshaft, and a servo motor for driving the clamping mechanism to rotate is further arranged on each supporting plate. The utility model solves the problems of complex and inconvenient fixing, poor limiting effect and inconvenience in rotating the crankshaft to adjust the position when the crankshaft is limited and fixed in the prior art, and has the effects of convenient fixing and limiting and easy rotation adjustment and processing of the crankshaft.

Description

Special machining clamp for crankshaft drilling machine

Technical Field

The utility model relates to the technical field of drilling machine machining, in particular to a special machining clamp for a crankshaft drilling machine.

Background

The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.

Bent axle is when going on drilling on the drilling machine man-hour, need utilize anchor clamps to carry out spacing fixed to the bent axle, current anchor clamps are when carrying out spacing fixed to the bent axle, have fixed loaded down with trivial details inconvenience, spacing effect is poor, in the drilling cutting process, the bent axle takes place rotation or slip easily, influences the machining precision to when trompil to the different positions in side of bent axle, need fix after the position of rotatory bent axle again, it is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a special processing clamp for a crankshaft drilling machine, which solves the problems that in the prior art, when a crankshaft is limited and fixed, the fixing is complicated and inconvenient, the limiting effect is poor, the crankshaft is easy to rotate or slide in the drilling and cutting process, the processing precision is influenced, and when holes are formed in different positions of the side surface of the crankshaft, the crankshaft needs to be rotated again and then fixed, and the problem is complicated.

According to the embodiment of the utility model, the special processing clamp for the crankshaft drilling machine comprises two supporting plates, the two supporting plates are arranged in parallel and spaced at a certain interval, a clamping mechanism for clamping the end of the crankshaft is arranged on one side, opposite to the supporting plates, of each supporting plate, the clamping mechanism comprises an Contraband-shaped fixing plate, a lower limiting block is fixedly connected onto the Contraband-shaped fixing plate, an upper limiting block is arranged above the lower limiting ring, the upper limiting block and the lower limiting block are spliced to form a limiting ring for limiting the end of the crankshaft, and a servo motor for driving the clamping mechanism to rotate is further arranged on each supporting plate.

The technical principle and the beneficial effects of the utility model are as follows: this special adds clamping apparatus of bent axle drilling machine, fixture through setting up, utilize two sets of spacing piece and lower spacing piece to press from both sides tightly the both ends of bent axle, make the both ends of bent axle can obtain fixed spacing, prevent to take place pivoted horizontal migration, and then reach the fixed effect of fast and stable, be used for driving fixture pivoted servo motor through setting up, make to add man-hour in the different positions of bent axle lateral wall in needs, only need start servo motor drive backup pad and fixture rotate to the suitable position that needs processing can, need not to carry out fixed mounting again, convenient and fast.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a stop collar according to an embodiment of the utility model.

In the above drawings: 1. a support plate; 2. contraband-shaped fixing plates; 3. a fixed seat; 4. an upper limit block; 5. a lower limiting block; 6. a cylinder; 7. a servo motor; 8. a compression plate; 9. a rodent; 10. a scrap recycling bin; 11. a support pillar; 12. an electric telescopic rod; 13. a crankshaft.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1 and 2, an embodiment of the utility model provides a special processing fixture for a crankshaft drilling machine, which includes two support plates 1, the two support plates 1 are arranged in parallel and spaced at a certain interval, specifically, the bottom ends of the two support plates 1 are horizontally fixed on a horizontal plane, a clamping mechanism for clamping the end of a crankshaft 13 is arranged on one side, opposite to the support plates 1, of each support plate, the clamping mechanism includes a fixing plate 2 shaped like "Contraband", the two fixing plates 2 shaped like "Contraband" are symmetrically distributed between the two support plates 1 and spaced at a certain interval, specifically, openings of the two fixing plates 2 shaped like "Contraband" are arranged oppositely, a lower limiting block 5 is fixedly connected to the fixing plate 2 shaped like "Contraband", specifically, a fixing seat 3 is fixedly connected to the fixing seat 2 shaped like "Contraband", and a damping sponge (not shown in the figure) is fixedly connected to the fixing seat 3, lower spacing block 5 fixed connection is in fixing base 3, through fixing base 3 and the shock attenuation sponge that sets up, makes bent axle 13 in carrying out the course of working, and lower spacing block 5 not only obtains fixing base 3's stable fixed, can also reduce fixture's the range of rocking through the shock attenuation sponge. The top of lower spacing ring is provided with upper limit block 4, fixedly connected with drives upper limit block 4 towards the electric telescopic handle 12 that lower limit block 5 removed on "Contraband" font fixed plate 2, and is specific, to take the direction as an example in fig. 1, electric telescopic handle 12 drives upper limit block 4 vertical movement, electric telescopic handle 12's output and upper limit block 4 fixed connection, upper limit block 4 splices into the spacing ring that is used for spacing bent axle 13 end with lower limit block 5, go up equal fixedly connected with and be used for increasing frictional rodent 9 on spacing block 4 and the lower limit block 5, it is specific, rodent 9 is located the inner wall of spacing ring, and through the rodent 9 that sets up, the end that makes bent axle 13 can prevent bent axle 13 from taking place the rotation when being pressed from both sides tightly spacing by the spacing ring.

The Contraband-shaped fixing plate 2 is further provided with an air cylinder 6 for tightly abutting against the crankshaft 13, specifically, the air cylinder 6 is fixedly connected to one of the two Contraband-shaped fixing plates 2, taking the direction in fig. 1 as an example, the air cylinder 6 is fixedly connected to the right Contraband-shaped fixing plate 2, an output shaft of the air cylinder 6 is coaxially arranged with the limiting ring and is fixedly connected with a pressing plate 8, taking the direction in fig. 1 as an example, a user can contact one end of the crankshaft 13 with the Contraband-shaped fixing plate 2 through the arranged air cylinder 6 and the pressing plate 8, then the air cylinder 6 is controlled to drive the pressing plate 8 to abut against the other end of the crankshaft 13, and the crankshaft 13 is fixed and limited by the air cylinder 6, the pressing plate 8 and the left Contraband-shaped fixing plate 2, so that the crankshaft 13 is further prevented from rotating.

Still be provided with on the backup pad 1 and be used for driving fixture pivoted servo motor 7, specifically, in this embodiment servo motor 7 has two, servo motor 7 and backup pad 1 fixed connection, servo motor 7's output and the geometric centre point department fixed surface connection of "Contraband" font fixed plate 2. Through the setting be used for driving fixture pivoted servo motor 7, make and add man-hour in the different positions of bent axle 13 lateral wall as required, only need start servo motor 7 drive backup pad 1 and fixture rotate to the suitable position that needs processing can, need not to carry out fixed mounting again, convenient and fast. Still be provided with open-top's sweeps collection box 10 between the backup pad 1, sweeps collection box 10 is located fixture's below, and through the sweeps collection box 10 that sets up, the messenger adds the metal sweeps that produces during processing and can carry out recovery processing through sweeps collection box 10, makes metal resource obtain recovery cyclic utilization. The top of sweeps collection box 10 is fixedly connected with support column 11 that is used for supporting servo motor 7 still, through support column 11 who sets up, makes servo motor 7 can obtain the auxiliary stay, avoids in the 13 course of working of bent axle servo motor 7 and backup pad 1 fixed not hard up and take place to rock.

When using, the workman places bent axle 13's both ends in two fixture earlier, and make bent axle 13 keep away from the end of cylinder 6 and "Contraband" font fixed plate 2 and contact, then start electric telescopic handle 12 and drive and go up spacing 4 removal and conflict with spacing 5 down and form the spacing ring, fix spacingly to bent axle 13's both ends, it is spacing to start cylinder 6 again to carry out the support of horizontal direction to bent axle 13, further prevent bent axle 13 and rotate, after processing bent axle 13's lateral wall, when needs rotatory bent axle 13 adjustment processing position, only need start two rotatory "Contraband" font fixed plate 2 of servo motor 7 and can drive bent axle 13 and carry out the rotation positioning, convenient and fast.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (7)

1. The utility model provides a special adds clamping apparatus of bent axle drilling machine, includes two backup pads, and two backup pad parallel arrangement and interval have a certain interval, its characterized in that: the utility model discloses a spacing mechanism of spacing bent axle end, including "Contraband" font fixed plate, the spacing mechanism is used for the centre gripping bent axle end to the backup pad relative one side is provided with the fixture that is used for centre gripping bent axle end, fixture includes "Contraband" font fixed plate, "spacing piece under fixedly connected with on the Contraband" font fixed plate, the top of spacing ring is provided with the spacing piece down, go up spacing piece and splice into the spacing ring that is used for spacing bent axle end with spacing piece down, still be provided with in the backup pad and be used for driving fixture pivoted servo motor.

2. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: the ' Contraband ' font fixed plate is last fixedly connected with drive the electric telescopic handle that the spacing piece removed down towards the spacing piece, electric telescopic handle's output and spacing piece fixed connection last.

3. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: and the Contraband-shaped fixing plate is also provided with a cylinder for tightly abutting against the crankshaft.

4. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: still be provided with open-top's sweeps collection box between the backup pad, the sweeps collection box is located fixture's below.

5. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: and the upper limiting block and the lower limiting block are fixedly connected with a rodent for increasing friction.

6. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: fixedly connected with fixing base on "Contraband" font fixed plate, fixedly connected with shock attenuation sponge on the fixing base, spacing block fixed connection is in the fixing base down.

7. The special processing clamp for the crankshaft drilling machine as claimed in claim 1, wherein: the two Contraband-shaped fixing plates are symmetrically distributed between the two supporting plates and have a certain interval.

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