CN216657202U

CN216657202U - Crankshaft composite machining clamp

Info

Publication number: CN216657202U
Application number: CN202220123750.8U
Authority: CN
Inventors: 侯西斌; 王新刚; 赵笛; 吴友强
Original assignee: Agc Laiwu Co ltd
Current assignee: Agc Laiwu Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-03
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a crankshaft composite machining clamp which comprises a base, wherein a sliding groove is formed in the upper surface of the base, a first screw rod penetrates through the sliding groove and is rotatably connected with the inside of the sliding groove, two sliding seats are symmetrically and spirally connected to the outer surface of the first screw rod, two supporting plates are symmetrically and fixedly connected to two sides of the upper surface of each sliding seat, and a pressing plate is rotatably connected between the two supporting plates positioned on the same side. According to the utility model, through the arranged pulling mechanism, the pressing plates and the arc grooves, the two pressing plates on one side can be driven to rotate simultaneously only by the operation of the pulling mechanism, so that the end shafts of the crankshafts can be directly clamped and fixed by matching with the arc grooves, and centering operation is carried out, thus the crankshaft end shaft centering device is greatly convenient to use.

Description

Crankshaft composite machining clamp

Technical Field

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

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 enough strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well;

the present invention relates to a crankshaft composite machining fixture, the machining of a crankshaft comprises dozens of processes, each process adopts different machine tools, resulting in the following problems: the number of working procedures is large, the process route is long, and the production plan and the production organization work are complex; the clamping times are multiple, the mutual position precision between the processing surfaces is not easy to guarantee, and the number of the clamps is large, so that the auxiliary time for clamping the workpiece is increased; a large number of machine tools of different types are needed, the investment of special equipment and process equipment is large, and the adjustment and maintenance are troublesome; the production cycle is long, which is not beneficial to the production conversion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a composite machining clamp for a crankshaft.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a bent axle combined machining anchor clamps, includes the base, the spout has been seted up to the upper surface of base, the inside through rotation of spout is connected with first screw rod, the surface symmetry threaded connection of first screw rod has two slides, two backup pads of the equal symmetry fixedly connected with in upper surface both sides of slide are located and rotate between two backup pads with one side and are connected with the clamp plate, the stroke groove has all been seted up to the surface both sides of clamp plate, the dead slot has all been seted up to the inside both sides of slide, the inside through installation of dead slot has the pulling mechanism with stroke groove matched with, the surface through rotation of slide is connected with the pivot, the fixed cover of surface of pivot is equipped with the first bevel gear with pulling mechanism matched with, two install flexible guiding mechanism between the pivot.

Further, pulling mechanism includes the second screw rod, the top of second screw rod is rotated with the interior top of dead slot and is connected, the surface thread bush of second screw rod is equipped with the diaphragm, the equal fixedly connected with pull rod in both ends of diaphragm, the top of pull rod extends to the top of slide, and the top fixedly connected with of pull rod and stroke groove matched with cylinder.

Furthermore, a second bevel gear is fixedly connected to the bottom end of the second screw rod, and the second bevel gear is meshed with the first bevel gear.

Further, flexible guiding mechanism includes square pipe and square bar, just square pipe and square bar respectively with the one end fixed connection of two pivots, just the inside sliding connection of square bar and square pipe.

Furthermore, one end of the first screw is fixedly connected with a first hand wheel.

Furthermore, one end of the rotating shaft is fixedly connected with a second hand wheel.

Furthermore, the upper surface of the sliding seat is provided with an arc groove.

The utility model has the beneficial effects that:

1. when the crankshaft composite machining clamp is used, the two pressing plates on one side can be driven to rotate simultaneously only by the operation of the pulling mechanism through the pulling mechanism, the pressing plates and the arc grooves, so that the end shafts of the crankshaft can be directly clamped and fixed by matching with the arc grooves, and centering operation is performed, and the crankshaft composite machining clamp is greatly convenient to use.

2. When the crankshaft composite machining fixture is used, one rotating shaft can simultaneously drive the other rotating shaft to simultaneously rotate when rotating through the arranged telescopic guide mechanism, and then the pressing plates on the two sides are simultaneously driven to rotate, so that the two ends of the crankshaft can be simultaneously fixed, the crankshaft composite machining fixture can be adjusted according to crankshafts with different lengths, and the practicability is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of the slider of the present invention;

fig. 3 is a schematic diagram of the internal structure of the slider according to the present invention.

Illustration of the drawings:

1. a base; 2. a chute; 3. a first screw; 4. a slide base; 5. a support plate; 6. pressing a plate; 7. a stroke slot; 8. an empty groove; 9. a rotating shaft; 10. a first bevel gear; 11. a second screw; 12. a transverse plate; 13. a pull rod; 14. a cylinder; 15. a second bevel gear; 16. a square tube; 17. a square bar; 18. a first hand wheel; 19. a second hand wheel; 20. a circular arc groove.

Detailed Description

Referring to fig. 1 to 3, a bent axle combined machining anchor clamps is related to, including base 1, spout 2 has been seted up to base 1's upper surface, the inside through rotation of spout 2 is connected with first screw rod 3, the outer surface symmetry threaded connection of first screw rod 3 has two slides 4, two backup pads 5 of the equal symmetry fixedly connected with in upper surface both sides of slide 4, it is connected with clamp plate 6 to lie in rotating between two backup pads 5 with one side, stroke groove 7 has all been seted up to clamp plate 6's surface both sides, dead slot 8 has all been seted up to slide 4's inside both sides, the inside through installation of dead slot 8 has with stroke groove 7 matched with pulling mechanism, slide 4's surface through rotation is connected with pivot 9, the fixed cover of surface of pivot 9 is equipped with first bevel gear 10 with pulling mechanism matched with, install flexible guiding mechanism between two pivot 9.

Pulling mechanism includes second screw rod 11, the top of second screw rod 11 is rotated with the interior top of dead slot 8 and is connected, the surface thread bush of second screw rod 11 is equipped with diaphragm 12, the equal fixedly connected with pull rod 13 in both ends of diaphragm 12, the top of pull rod 13 extends to the top of slide 4, and the top fixedly connected with of pull rod 13 and stroke groove 7 matched with cylinder 14, second screw rod 11 rotates and drives diaphragm 12 and reciprocate, thereby the pull rod 13 that drives both ends reciprocates, and then drive two clamp plates 6 through cylinder 14 and stroke groove 7 and rotate, thereby realize the fixed of bent axle both ends and loosen.

The bottom end of the second screw 11 is fixedly connected with a second bevel gear 15, the second bevel gear 15 is meshed with the first bevel gear 10, and the first bevel gear 10 rotates to drive the second bevel gear 15 to rotate, so as to drive the second screw 11 to rotate.

Flexible guiding mechanism includes square pipe 16 and square bar 17, and square pipe 16 and square bar 17 respectively with the one end fixed connection of two pivot 9, and square bar 17 and square pipe 16's inside sliding connection, square pipe 16 and square bar 17 through setting up make pivot 9 rotate the time can drive another pivot 9 simultaneously and rotate, and then drive the clamp plate 6 rotation of both sides simultaneously, thereby realize fixing the both ends of bent axle simultaneously, and can stretch out and draw back through square pipe 16 and square bar 17, thereby can adjust according to the bent axle of different length, thereby increase the practicality.

A first hand wheel 18 is fixedly connected to one end of the first screw rod 3, so as to facilitate the rotation of the first screw rod 3.

A second wheel 19 is fixedly connected to one end of the rotating shaft 9 for rotating the rotating shaft 9.

The upper surface of the sliding seat 4 is provided with an arc groove 20, so that a crankshaft can be placed conveniently.

When the crankshaft composite machining clamp is used, firstly, a first hand wheel 18 is rotated according to the length of a crankshaft, the first hand wheel 18 is rotated to drive a first screw rod 3 to rotate, so that two sliding seats 4 are driven to move relatively, then, two end shafts of the crankshaft are respectively placed in circular arc grooves 20 at the tops of the two sliding seats 4, so that a second hand wheel 19 is rotated, the second hand wheel 19 is rotated to drive a rotating shaft 9 to rotate, so that a first bevel gear 10 is driven to rotate, the first bevel gear 10 is rotated to drive a second bevel gear 15 to rotate, so that a second screw rod 11 is driven to rotate, the second screw rod 11 is rotated to drive a transverse plate 12 to move downwards, so that pull rods 13 at two ends are driven to move downwards, and then two pressing plates 6 are driven to rotate through a cylinder 14 and a stroke groove 7, so that the two ends of the crankshaft are fixed, when one rotating shaft 9 rotates through a square pipe 16 and a square rod 17, another rotating shaft 9 can be simultaneously driven to rotate, and then drive the clamp plate 6 rotation of both sides simultaneously to the realization is fixed the both ends of bent axle simultaneously, and can stretch out and draw back through square pipe 16 and square bar 17, thereby can adjust according to the bent axle of different length, thereby increases the practicality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a bent axle combined machining anchor clamps, includes base (1), its characterized in that: the upper surface of the base (1) is provided with a sliding groove (2), the inside of the sliding groove (2) is connected with a first screw (3) in a penetrating and rotating manner, the outer surface of the first screw (3) is connected with two sliding seats (4) in a symmetrical and threaded manner, two supporting plates (5) are symmetrically and fixedly connected with two sides of the upper surface of the sliding seat (4), a pressing plate (6) is rotatably connected between the two supporting plates (5) positioned on the same side, stroke grooves (7) are respectively formed in two sides of the outer surface of the pressing plate (6), empty grooves (8) are respectively formed in two sides of the inner part of the sliding seat (4), a pulling mechanism matched with the stroke grooves (7) is installed in the empty grooves (8) in a penetrating and rotating manner, the outer surface of the sliding seat (4) is connected with a rotating shaft (9) in a penetrating and rotating manner, and a first bevel gear (10) matched with the pulling mechanism is fixedly sleeved on the outer surface of the rotating shaft (9), and a telescopic guide mechanism is arranged between the two rotating shafts (9).

2. The crankshaft composite machining clamp according to claim 1, is characterized in that: pulling mechanism includes second screw rod (11), the top of second screw rod (11) is rotated with the interior top in dead slot (8) and is connected, the surface thread bush of second screw rod (11) is equipped with diaphragm (12), the equal fixedly connected with pull rod (13) in both ends of diaphragm (12), the top of pull rod (13) extends to the top of slide (4), and the top fixedly connected with and stroke groove (7) matched with cylinder (14) of pull rod (13).

3. The crankshaft composite machining clamp according to claim 2, is characterized in that: the bottom end of the second screw rod (11) is fixedly connected with a second bevel gear (15), and the second bevel gear (15) is meshed with the first bevel gear (10).

4. The crankshaft composite machining clamp according to claim 1, is characterized in that: the telescopic guide mechanism comprises a square pipe (16) and a square rod (17), the square pipe (16) and the square rod (17) are fixedly connected with one ends of the two rotating shafts (9) respectively, and the square rod (17) is connected with the square pipe (16) in a sliding mode.

5. The crankshaft composite machining clamp according to claim 1, is characterized in that: one end of the first screw rod (3) is fixedly connected with a first hand wheel (18).

6. The crankshaft composite machining clamp according to claim 1, is characterized in that: one end of the rotating shaft (9) is fixedly connected with a second hand wheel (19).

7. The crankshaft combined machining clamp of claim 1, characterized in that: the upper surface of the sliding seat (4) is provided with an arc groove (20).