阅读说明：本技术 一种曲轴小头轴颈圆角滚压装置 (Small-end journal fillet rolling device of crankshaft ) 是由 刘梦怡 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种曲轴小头轴颈圆角滚压装置,包括底板,所述底板顶部的两侧均固定连接有竖板,所述竖板的顶部固定连接有横板,所述横板的顶部固定连接有框体,所述框体内壁的一侧固定连接有第一电机,所述第一电机的输出轴固定连接有转杆,所述转杆的表面固定连接有第一皮带轮,所述第一皮带轮的表面通过皮带传动连接有第二皮带轮,所述第二皮带轮的轴心处固定连接有转动杆。本发明所述的一种曲轴小头轴颈圆角滚压装置,设有第二电机与轴颈圆角装置,能够灵活的确定滚压头的宽度、滚轮的直径大小,使其达到最佳工艺性,还可以同时降低弯曲变形量,产品性能得以提升,且降低了产品废品率,带来更好的使用前景。(The invention discloses a crankshaft small-end journal fillet rolling device which comprises a bottom plate, wherein vertical plates are fixedly connected to two sides of the top of the bottom plate, a transverse plate is fixedly connected to the top of each vertical plate, a frame body is fixedly connected to the top of each transverse plate, a first motor is fixedly connected to one side of the inner wall of the frame body, an output shaft of the first motor is fixedly connected with a rotating rod, a first belt pulley is fixedly connected to the surface of the rotating rod, a second belt pulley is connected to the surface of the first belt pulley through belt transmission, and a rotating rod is fixedly connected to the axis of the second belt pulley. The crankshaft small-end journal fillet rolling device is provided with the second motor and the journal fillet rolling device, the width of a rolling head and the diameter of a roller can be flexibly determined, the optimal manufacturability is achieved, the bending deformation can be reduced, the product performance is improved, the product rejection rate is reduced, and a better use prospect is brought.)

1. The utility model provides a bent axle small-end axle journal fillet rolling press device, includes bottom plate (1), its characterized in that: the novel plastic packaging box is characterized in that risers (2) are fixedly connected to two sides of the top of the bottom plate (1), a transverse plate (3) is fixedly connected to the top of the transverse plate (2), a frame body (4) is fixedly connected to the top of the transverse plate (3), a first motor (5) is fixedly connected to one side of the inner wall of the frame body (4), a rotating rod (6) is fixedly connected to an output shaft of the first motor (5), a first belt pulley (7) is fixedly connected to the surface of the rotating rod (6), a second belt pulley (8) is connected to the surface of the first belt pulley (7) through belt transmission, a rotating rod (9) is fixedly connected to the axis of the second belt pulley (8), a second motor (11) is fixedly connected to the top of the bottom plate (1), a pushing device (13) is fixedly connected to the output shaft of the second motor (11), and first rotating seats (15) are fixedly connected to two ends of, one side fixedly connected with slide (14) of riser (2), the inside of first rotation seat (15) and the surperficial sliding connection of slide (14), the surface of first rotation seat (15) is rotated and is connected with lifter (16), the one end of lifter (16) is rotated and is connected with the second and rotates seat (17), the top fixedly connected with movable plate (18) of second rotation seat (17), the top fixedly connected with axle journal fillet device (19) of movable plate (18).

2. The crankshaft small end journal fillet rolling device according to claim 1, characterized in that: the pushing device (13) comprises a pushing box (131), an output shaft of the second motor (11) is fixedly connected with a gear (132), the top and the bottom of the gear (132) are respectively meshed with a first toothed plate (133) and a second toothed plate (134), and one ends of the first toothed plate (133) and the second toothed plate (134) are fixedly connected with the bottom of the first rotating seat (15).

3. The crankshaft small end journal fillet rolling device according to claim 1, characterized in that: the journal fillet device (19) comprises a supporting rolling wheel (191), the bottom of the supporting rolling wheel (191) is provided with a rolling wheel (192), the bottom of the rolling wheel (192) is provided with a crankshaft (193), and the radial included angle between the rolling direction of the rolling wheel (192) and the crankshaft (193) is less than 35 degrees.

4. The crankshaft small end journal fillet rolling device according to claim 1, characterized in that: the one end of bull stick (6) is rotated with one side of framework (4) inner wall and is connected, equal fixedly connected with fixed plate (10) in both sides of diaphragm (3) bottom, one side of fixed plate (10) is rotated with the one end of dwang (9) and is connected.

5. The crankshaft small end journal fillet rolling device according to claim 1, characterized in that: the two sides of the bottom of the pushing device (13) are fixedly connected with stabilizing plates (12), the bottom of each stabilizing plate (12) is fixedly connected with the top of the bottom plate (1), and the number of the stabilizing plates (12) is two.

6. The crankshaft small end journal fillet rolling device according to claim 1, characterized in that: the quantity of riser (2) is two sets of, the quantity of first seat (15) of rotating is two sets of, the quantity of second seat (17) of rotating is two sets of.

Technical Field

The invention relates to the technical field of crankshafts, in particular to a crankshaft small-end journal fillet rolling device.

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.

The existing crankshaft needs rolling on a small-end journal fillet, the rolling cannot be balanced due to only one fillet, the length of a small end of the general crankshaft is obviously greater than that of other journals, if a method of adding an auxiliary fillet at the tail end of the small end is adopted, the weight of a rolling head is obviously increased, the rolling deformation is large, the crankshaft is frequently scrapped, and the like, so that the rolling on the small-end journal fillet of the crankshaft is difficult to implement.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a crankshaft small-end journal fillet rolling device which has the advantages of flexibly determining the width of a rolling head and the diameter of a roller, enabling the rolling head and the roller to achieve the optimal manufacturability and the like, and solves the problems of large rolling deformation, frequent crankshaft scrapping and the like.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a crankshaft small-end journal fillet rolling device comprises a bottom plate, wherein two sides of the top of the bottom plate are fixedly connected with vertical plates, the top of each vertical plate is fixedly connected with a transverse plate, the top of each transverse plate is fixedly connected with a frame body, one side of the inner wall of the frame body is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a rotating rod, the surface of the rotating rod is fixedly connected with a first belt pulley, the surface of the first belt pulley is connected with a second belt pulley through belt transmission, the axis of the second belt pulley is fixedly connected with a rotating rod, the top of the bottom plate is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with a pushing device, two ends of the pushing device are fixedly connected with first rotating seats, one side of each vertical plate is fixedly connected with a sliding plate, and the inner part of each first rotating seat is, the surface of the first rotating seat is rotatably connected with a lifting rod, one end of the lifting rod is rotatably connected with a second rotating seat, the top of the second rotating seat is fixedly connected with a moving plate, and the top of the moving plate is fixedly connected with a journal fillet device.

Preferably, the pushing device comprises a pushing box, an output shaft of the second motor is fixedly connected with a gear, the top and the bottom of the gear are respectively meshed with a first toothed plate and a second toothed plate, and one ends of the first toothed plate and the second toothed plate are fixedly connected with the bottom of the first rotating seat.

Preferably, the journal fillet device comprises a supporting rolling wheel, the bottom of the supporting rolling wheel is provided with a rolling wheel, the bottom of the rolling wheel is provided with a crankshaft, and the radial included angle between the rolling direction of the rolling wheel and the crankshaft is less than 35 °.

Preferably, the one end of bull stick rotates with one side of framework inner wall to be connected, the equal fixedly connected with fixed plate in both sides of diaphragm bottom, one side of fixed plate rotates with the one end of dwang to be connected.

Preferably, both sides of the bottom of the pushing device are fixedly connected with stabilizing plates, the bottoms of the stabilizing plates are fixedly connected with the top of the bottom plate, and the number of the stabilizing plates is two.

Preferably, the quantity of riser is two sets of, the quantity of first seat of rotating is two sets of, the quantity of second seat of rotating is two sets of.

(III) advantageous effects

Compared with the prior art, the invention provides a crankshaft small-end journal fillet rolling device which has the following beneficial effects:

1. this little first axle journal fillet rolling press device of bent axle, output shaft fixedly connected with thrust unit through the second motor, the first seat that rotates of the equal fixedly connected with in thrust unit's both ends, one side fixedly connected with slide of riser, the inside of first seat that rotates and the surface sliding connection of slide have improved product processingquality and productivity, adopt this kind of mode roll extrusion, the width of the definite rolling head that can be nimble, the diameter size of gyro wheel makes it reach best manufacturability.

2. This little first axle journal fillet rolling press device of bent axle, including supporting the rolling wheel through axle journal fillet device, the bottom that supports the rolling wheel is provided with the rolling wheel, the bottom of rolling wheel is provided with the bent axle, the radial contained angle of rolling wheel roll extrusion direction and bent axle is less than 35, this technology still turns in, turns outward to the connecting rod axle journal and adopts sinusoidal pulse variable pressure mode to roll extrusion, bent axle bending deformation after having reduced conventional rolling technology roll extrusion, the bent axle of this technology processing, its fatigue resistance obtains improving, the bending deformation volume has been reduced simultaneously, the product performance can be promoted, and the product rejection rate has been reduced.

Drawings

FIG. 1 is a schematic structural view of a crankshaft small-end journal fillet rolling device according to the present invention;

FIG. 2 is a schematic structural diagram of a pushing device of a crankshaft small-end journal fillet rolling device according to the present invention;

FIG. 3 is a schematic structural diagram of a journal fillet rolling device of a crankshaft small-end journal fillet rolling device according to the present invention.

In the figure: 1. a base plate; 2. a vertical plate; 3. a transverse plate; 4. a frame body; 5. a first motor; 6. a rotating rod; 7. a first pulley; 8. a second pulley; 9. rotating the rod; 10. a fixing plate; 11. a second motor; 12. a stabilizing plate; 13. a pushing device; 131. a push box; 132. a gear; 133. a first toothed plate; 134. a second toothed plate; 14. a slide plate; 15. a first rotating base; 16. a lifting rod; 17. a second rotating base; 18. moving the plate; 19. a journal fillet means; 191. supporting rolling wheels; 192. rolling wheels; 193. a crankshaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a crankshaft small-end journal fillet rolling device comprises a base plate 1, wherein vertical plates 2 are fixedly connected to two sides of the top of the base plate 1, a transverse plate 3 is fixedly connected to the top of the vertical plates 2, a frame body 4 is fixedly connected to the top of the transverse plate 3, a first motor 5 is fixedly connected to one side of the inner wall of the frame body 4, a power line of the first motor 5 is connected with an external power supply, the type of the first motor 5 is Y180M1-2, an output shaft of the first motor 5 is fixedly connected with a rotating rod 6, a surface of the rotating rod 6 is fixedly connected with a first belt pulley 7, a surface of the first belt pulley 7 is connected with a second belt pulley 8 through belt transmission, a rotating rod 9 is fixedly connected to the axis of the second belt pulley 8, a second motor 11 is fixedly connected to the top of the base plate 1, a power line of the second motor 11 is connected with the external power supply. Output shaft fixedly connected with thrust unit 13 of second motor 11, the equal first seat 15 that rotates of both ends fixedly connected with of thrust unit 13, one side fixedly connected with slide 14 of riser 2, the inside of first seat 15 that rotates and the surface sliding connection of slide 14, the surface of first seat 15 that rotates is connected with lifter 16, the one end of lifter 16 is rotated and is connected with the second and rotates seat 17, the top fixedly connected with movable plate 18 of second seat 17 rotates, the top fixedly connected with axle journal fillet device 19 of movable plate 18.

Further, the pushing device 13 includes the pushing box 131, the output shaft of the second motor 11 is fixedly connected with a gear 132, the top and the bottom of the gear 132 are respectively engaged with a first toothed plate 133 and a second toothed plate 134, one end of the first toothed plate 133 and one end of the second toothed plate 134 are both fixedly connected with the bottom of the first rotating seat 15, so as to drive the first rotating seat 15 to move through the first toothed plate 133 and the second toothed plate 134.

Further, the journal fillet device 19 comprises a supporting rolling wheel 191, a rolling wheel 192 is arranged at the bottom of the supporting rolling wheel 191, a crankshaft 193 is arranged at the bottom of the rolling wheel 192, and the radial included angle between the rolling direction of the rolling wheel 192 and the crankshaft 193 is less than 35 °.

Further, the one end of bull stick 6 rotates with one side of the 4 inner walls of framework and is connected, the equal fixedly connected with fixed plate 10 in both sides of diaphragm 3 bottom, and one side of fixed plate 10 rotates with the one end of dwang 9 and is connected, has improved the stability of bull stick 6 with dwang 9.

Further, both sides of the bottom of the pushing device 13 are fixedly connected with stabilizing plates 12, the bottom of each stabilizing plate 12 is fixedly connected with the top of the bottom plate 1, and the number of the stabilizing plates 12 is two, so that the pushing device 13 is conveniently supported, and the stability of the pushing device 13 is improved.

Further, the quantity of riser 2 is two sets of, and the quantity of first seat 15 that rotates is two sets of, and the quantity of second seat 17 that rotates is two sets of, is convenient for go up and down to journal fillet device 19, is convenient for the operation of this equipment.

The working principle is as follows: the output shaft of the second motor 11 is fixedly connected with a pushing device 13, two ends of the pushing device 13 are fixedly connected with a first rotating seat 15, one side of a vertical plate 2 is fixedly connected with a sliding plate 14, the inside of the first rotating seat 15 is in sliding connection with the surface of the sliding plate 14, the processing quality and the labor productivity of products are improved, the width of a rolling head and the diameter of a roller can be flexibly determined by adopting the rolling mode, the optimal manufacturability is achieved, the journal fillet device 19 comprises a supporting rolling wheel 191, the bottom of the supporting rolling wheel 191 is provided with a rolling wheel 192, the bottom of the rolling wheel 192 is provided with a crankshaft 193, the radial included angle between the rolling direction of the rolling wheel 192 and the crankshaft 193 is less than 35 degrees, the process also adopts a sine pulse pressure changing mode for rolling inside and outside a connecting rod journal, and the bending deformation of the crankshaft after the conventional rolling process is reduced, the crankshaft processed by the process has the advantages of improving the fatigue resistance, reducing the bending deformation, improving the product performance and reducing the product rejection rate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.