Engine crankshaft straightener

Abstract

The utility model discloses an engine crankshaft straightener, the utility model relates to straightener technical field, including U type seat, one side of U type seat inside sets up conveying assembly, the upper portion of conveying assembly sets up drive mechanism, the both sides of conveying assembly all are equipped with support subassembly, and support subassembly fixed mounting is in the inside of U type seat, and the other side of U type seat inside is equipped with straightening assembly. When using, through the cooperation of conveying assembly and drive mechanism, the crankshaft can be transported while being straightened, so that the crankshaft can be straightened continuously, and the special equipment for pulling the crankshaft is not needed, and the cost can be reduced. The support subassembly can support the crankshaft, and the crankshaft can be supported when being straightened in the straightener, so that the crankshaft can enter the conveying assembly and the straightening assembly in parallel, and damage caused by the inclined feeding of the crankshaft can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of straightening machine technology, specifically to an engine crankshaft straightening machine. Background Technology

[0002] The most important component of a car is the engine, and the core component of the engine is the crankshaft. As a crucial part, the crankshaft has high technical requirements and production costs, making its remanufacturing a promising prospect. During operation, the crankshaft is subjected to the cyclical impact of in-cylinder gas forces, rotational inertia forces, and frictional forces. This creates complex alternating stresses such as bending, torsion, shearing, and tension in various parts of the crankshaft. Under such complex forces over a long period, local deformation of the crankshaft can easily occur, affecting the coaxiality of the main journals, and consequently impacting the engine's lifespan and the vehicle's safety.

[0003] When straightening a crankshaft using a straightening machine, the operator needs to insert the crankshaft into the machine. Due to the height difference between the operator and the straightening machine, the crankshaft is easily inserted at an angle. This can easily cause damage to the crankshaft end due to the tilted feeding. Furthermore, a special device is needed to move the crankshaft during operation, which is inconvenient. The angle of the straightening equipment is fixed and cannot be adjusted according to the bending angle of the crankshaft, making it inconvenient to use. Utility Model Content

[0004] The purpose of this invention is to provide an engine crankshaft straightening machine to address the shortcomings of existing technologies.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an engine crankshaft straightening machine, including a U-shaped seat, a conveying component is provided on one side inside the U-shaped seat, a driving mechanism is provided above the conveying component, support components are provided on both sides of the conveying component, the support components are fixedly installed inside the U-shaped seat, and a straightening component is provided on the other side inside the U-shaped seat, the straightening component and the U-shaped seat are connected by an adjustment mechanism.

[0006] As described above, an engine crankshaft straightening machine includes a conveying assembly comprising a motor, a lead screw, and a moving plate. The lead screw is rotatably mounted inside a U-shaped seat, and the motor is fixedly mounted on the front surface of the U-shaped seat. The output shaft of the motor passes through the front surface of the U-shaped seat and is rotatably connected to the U-shaped seat. The output shaft of the motor is fixedly connected to the front end of the lead screw. Both ends of the lead screw are threaded with sleeves, and the two sleeves rotate in opposite directions. A fixed rod is provided on one side of the lead screw, and the end of the fixed rod is fixedly connected to the inner wall of the U-shaped seat. Moving sleeves are provided at both ends of the fixed rod with threaded sleeves. The left and right adjacent moving sleeves are connected to the threaded sleeves through a moving plate. Several evenly distributed conveying rollers are provided above the moving plate. The conveying rollers are rotatably connected to the top surface of the moving plate through a rotating rod. The front conveying roller is located between two left and right adjacent conveying rollers at the rear. The conveying rollers are rotatably connected to the corresponding moving plates through a rotating rod. A drive mechanism is provided at the upper end of the rear conveying roller.

[0007] As described above, the engine crankshaft straightening machine includes a drive mechanism comprising a drive motor, pulleys, and an L-shaped plate. A pulley is provided at the upper end of the rear conveying roller, and several pulleys are connected by a belt. The drive motor is fixedly connected to the rear movable sleeve by the L-shaped plate, and the output shaft of the drive motor is fixedly connected to the rotating shaft of the corresponding pulley.

[0008] As described above, in an engine crankshaft straightening machine, the support assembly includes a hydraulic cylinder and an arc-shaped support plate. The hydraulic cylinder is fixedly installed on the bottom surface inside the U-shaped seat, and the support plate is fixedly installed on the telescopic end of the hydraulic cylinder. The support plate cooperates with the conveying assembly.

[0009] As described above, an engine crankshaft straightening machine includes a straightening assembly comprising a U-shaped frame one, a U-shaped frame two, and straightening rollers. The U-shaped frame one and the U-shaped frame two are vertically aligned, with the U-shaped frame one located below the U-shaped frame two. The U-shaped frame one, the U-shaped frame two, and the U-shaped base are all connected by an adjustment mechanism. Straightening rollers are provided inside both the U-shaped frame one and the U-shaped frame two. The U-shaped frame one, the U-shaped frame two, and the corresponding straightening rollers are rotatably connected by a rotating shaft.

[0010] As described above, an engine crankshaft straightening machine includes an adjustment mechanism comprising a top plate, an adjustment motor, and a rectangular frame. The top plate is located above the straightening assembly and is fixedly connected to a U-shaped seat via several electric push rods. Rectangular frames are provided below U-shaped frame one and above U-shaped frame two. The lower rectangular frame is fixedly connected to the U-shaped seat, and the upper rectangular frame is fixedly connected to the bottom surface of the top plate. A fixing plate is fixedly installed on the side of the rectangular frame near the straightening roller. Two worm gears are provided inside the rectangular frame, and support rods are fixedly installed on the bottom surface of the worm gears. One end of the support rod passes through the corresponding fixing plate and is rotatably connected to it. The lower end of the upper support rod is fixedly connected to U-shaped frame two, and the upper end of the lower support rod is fixedly connected to the lower rectangular frame. A worm is meshed behind two adjacent worm gears and is rotatably connected to the inner wall of the corresponding rectangular frame. The adjustment motor is fixedly installed on one side of the rectangular frame, and its output shaft passes through the rectangular frame and is rotatably connected to it. The output shaft of the adjustment motor is fixedly connected to one end of the corresponding worm.

[0011] Compared with the prior art, the beneficial effects of this utility model are: when this device is in use, through the cooperation of the conveying component and the drive mechanism, it can convey the crankshaft while straightening it, thereby enabling continuous straightening of the crankshaft, and eliminating the need for special equipment to pull the crankshaft, thus reducing costs.

[0012] The support components can support the crankshaft, allowing the operator to support the crankshaft during straightening in the straightening machine, so that the crankshaft can enter the conveying and straightening components in parallel, avoiding damage caused by tilted feeding of the crankshaft;

[0013] The crankshaft can be straightened again by the straightening component, which can improve the straightening effect and improve the quality of the product.

[0014] The angle of the straightening components can be adjusted by the adjustment mechanism, thereby adjusting the angle of the straightening rollers according to the bending angle of the engine crankshaft, which facilitates the straightening of the engine crankshaft. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 for Figure 1 View from direction A;

[0018] Figure 3 for Figure 1 View B.

[0019] Reference numerals: 1-U-shaped seat, 2-conveying assembly, 21-motor, 22-lead screw, 23-moving plate, 24-screw sleeve, 25-fixed rod, 26-moving sleeve, 27-conveying roller, 28-rotating rod, 3-drive mechanism, 31-drive motor, 32-pulley, 33-L-shaped plate, 34-belt, 4-support assembly, 41-hydraulic cylinder, 42-support plate, 5-straightening assembly, 51-U-shaped frame one, 52-U-shaped frame two, 53-straightening roller, 54-rotating shaft, 6-adjusting mechanism, 61-top plate, 62-adjusting motor, 63-rectangular frame, 64-electric push rod, 65-fixed plate, 66-worm gear, 67-support rod, 68-worm. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 3As shown in this embodiment, an engine crankshaft straightening machine specifically discloses a U-shaped base 1. A conveying assembly 2 is provided on one side inside the U-shaped base 1. The conveying assembly 2 includes a motor 21, a lead screw 22, and a moving plate 23. The lead screw 22 is rotatably mounted inside the U-shaped base 1. The motor 21 is fixedly mounted on the front surface of the U-shaped base 1. The output shaft of the motor 21 passes through the front surface of the U-shaped base 1 and is rotatably connected to the U-shaped base 1. The output shaft of the motor 21 is fixedly connected to the front end of the lead screw 22. Both ends of the lead screw 22 are threadedly connected to the threaded sleeves 24, and the two threaded sleeves 24 have opposite directions of rotation. A fixing rod 25 is provided on one side of the lead screw 22. The end of the fixing rod 25 is fixedly connected to the inner wall of the U-shaped base 1. Moving sleeves 26 are provided at both ends of the fixing rod 25. The left and right adjacent moving sleeves 26 are connected to the threaded sleeves 24 through the moving plate 23. Several evenly distributed... The conveyor roller 27 is rotatably connected to the top surface of the moving plate 23 via a rotating rod 28. The front conveyor roller 27 is located between two adjacent left and right conveyor rollers 27 at the rear. The conveyor roller 27 is rotatably connected to the corresponding moving plate 23 via a rotating rod 28. A drive mechanism 3 is provided at the upper end of the rear conveyor roller 27. The motor 21 works, and the output shaft of the motor 21 can drive the lead screw 22 to rotate. The rotation of the lead screw 22 can drive the screw sleeve 24 to move. The screw sleeve 24 can drive the moving plate 23 to move. The moving sleeve 26 can support and guide the moving plate 23 by moving along the fixed rod 25. The moving plate 23 can drive the conveyor roller 27 to move via the rotating rod 28, so that the front conveyor roller 27 and the rear conveyor roller 27 can be brought closer or further apart. In this way, the distance between the front and rear conveyor rollers 27 can be adjusted according to the diameter of the engine crankshaft.

[0022] A drive mechanism 3 is provided above the conveying assembly 2. The drive mechanism 3 includes a drive motor 31, pulleys 32, and an L-shaped plate 33. The upper end of the rear conveying roller 27 is provided with pulleys 32. Several pulleys 32 are connected by belts 34. The drive motor 31 is fixedly connected to the rear movable sleeve 26 through the L-shaped plate 33. The output shaft of the drive motor 31 is fixedly connected to the rotating shaft of the corresponding pulley 32. When the drive motor 31 is working, the output shaft of the drive motor 31 drives the pulleys 32 to rotate. The pulleys 32 can drive the rear conveying roller 27 to rotate through the belts 34. Since both the front and rear conveying rollers 27 are in contact with the engine crankshaft, the rear conveying roller 27 can convey the engine crankshaft when it rotates. At the same time, the conveying roller 27 can straighten the front and rear sides of the engine crankshaft.

[0023] Both sides of the conveying assembly 2 are provided with support assemblies 4. The support assemblies 4 are fixedly installed inside the U-shaped seat 1. The support assemblies 4 include a hydraulic cylinder 41 and an arc-shaped support plate 42. The hydraulic cylinder 41 is fixedly installed on the bottom surface inside the U-shaped seat 1. The extension end of the hydraulic cylinder 41 is fixedly installed with the support plate 42. The support plate 42 cooperates with the conveying assembly 2. When the hydraulic cylinder 41 works, the extension end of the hydraulic cylinder 41 can drive the support plate 42 to move up and down, thereby adjusting the height of the support plate 42 and thus supporting the crankshaft of the engine with different diameters.

[0024] On the other side inside the U-shaped base 1, a straightening assembly 5 is provided. The straightening assembly 5 includes a first U-shaped frame 51, a second U-shaped frame 52, and a straightening roller 53. The first U-shaped frame 51 and the second U-shaped frame 52 are vertically aligned, with the first U-shaped frame 51 located below the second U-shaped frame 52. The first U-shaped frame 51, the second U-shaped frame 52, and the U-shaped base 1 are all connected by an adjusting mechanism 6. The first U-shaped frame 51 and the second U-shaped frame 52 are each equipped with a straightening roller 53. The first U-shaped frame 51 and the second U-shaped frame 52 are connected to the corresponding straightening roller 53 by rotation. The shaft 54 ​​is rotatably connected, and the engine crankshaft passes between two adjacent straightening rollers 53. The adjustment mechanism 6 works, and the adjustment mechanism 6 can drive the straightening rollers 53 to move up and down through the U-shaped frame 51, the U-shaped frame 52 and the rotating shaft 54, thereby adjusting the distance between the two adjacent straightening rollers 53 so that the straightening rollers 53 come into contact with the engine crankshaft. Through the continuous work of the drive mechanism 3, the engine crankshaft can move along the straightening rollers 53, thereby straightening the engine crankshaft.

[0025] The straightening assembly 5 is connected to the U-shaped seat 1 via an adjustment mechanism 6. The adjustment mechanism 6 includes a top plate 61, an adjustment motor 62, and a rectangular frame 63. The top plate 61 is located above the straightening assembly 5. The top plate 61 is fixedly connected to the U-shaped seat 1 via several electric push rods 64. A rectangular frame 63 is provided below the first U-shaped frame 51 and above the second U-shaped frame 52. The lower rectangular frame 63 is fixedly connected to the U-shaped seat 1, and the upper rectangular frame 63 is fixedly connected to the bottom surface of the top plate 61. A fixing plate 65 is fixedly installed on the side of the rectangular frame 63 near the straightening roller 53. Two worm gears 66 are provided inside the rectangular frame 63. A support rod 67 is fixedly installed on the bottom surface of the worm gears 66. One end of the support rod 67 passes through the corresponding fixing plate 65 and is rotatably connected to the fixing plate 65. The lower end of the upper support rod 67 is fixedly connected to the second U-shaped frame 52, and the upper end of the lower support rod 67 is fixedly connected to the lower rectangular frame 63. 3. Fixed connection: A worm 68 is meshed behind two adjacent worm gears 66. The worm 68 is rotatably connected to the inner wall of the corresponding rectangular frame 63. An adjusting motor 62 is fixedly installed on one side of the rectangular frame 63. The output shaft of the adjusting motor 62 passes through the rectangular frame 63 and is rotatably connected to the rectangular frame 63. The output shaft of the adjusting motor 62 is fixedly connected to one end of the corresponding worm 68. When the adjusting motor 62 is working, the output shaft of the adjusting motor 62 can drive the corresponding worm gear 66 to rotate through the worm 68. The worm gear 66 can drive the U-shaped frame 1 51 and U-shaped frame 2 52 to rotate through the support rod 67. The U-shaped frame 1 51 and U-shaped frame 2 52 can drive the straightening roller 53 to rotate through the rotating shaft 54. Thus, the angle of the straightening roller 53 can be adjusted according to the bending angle of the engine crankshaft, which is convenient for straightening the engine crankshaft.

[0026] Working principle:

[0027] The drive motor 31 operates, and its output shaft drives the pulley 32 to rotate. The pulley 32, via the belt 34, drives the rear conveyor roller 27 to rotate. Since both the front and rear conveyor rollers 27 are in contact with the engine crankshaft, the rear conveyor roller 27 can convey the engine crankshaft when rotating. Simultaneously, the conveyor roller 27 can straighten the front and rear sides of the engine crankshaft. The electric motor 21 operates, and its output shaft drives the lead screw 22 to rotate. The lead screw 22 rotates, causing the screw sleeve 24 to move. The screw sleeve 24 moves the moving plate 23. The moving sleeve 26, moving along the fixed rod 25, supports and guides the moving plate 23. The moving plate 23, via the rotating rod 28, drives the conveyor roller 27 to move, allowing the front and rear conveyor rollers 27 to move closer or further apart, thus adjusting the distance between the front and rear conveyor rollers 27 according to the diameter of the engine crankshaft. The hydraulic cylinder 41 operates, and its telescopic end drives the support plate 42 to move up and down. This allows for adjustment of the height of the support plate 42, thus providing support for engine crankshafts of different diameters. The adjusting motor 62 operates, and its output shaft drives the corresponding worm wheel 66 via the worm gear 68. The worm wheel 66, through the support rod 67, drives the U-shaped frame 51 and U-shaped frame 52 to rotate. The U-shaped frame 51 and U-shaped frame 52, through the rotating shaft 54, drive the straightening roller 53 to rotate, thereby adjusting the angle of the straightening roller 53 according to the bending angle of the engine crankshaft, facilitating straightening of the engine crankshaft. The engine crankshaft is passed between two adjacent straightening rollers 53. The adjusting mechanism 6 then operates, driving the straightening roller 53 up and down via the U-shaped frame 51, U-shaped frame 52, and rotating shaft 54, thereby adjusting the distance between the two adjacent straightening rollers 53, bringing the straightening roller 53 into contact with the engine crankshaft. The continuous operation of the driving mechanism 3 allows the engine crankshaft to move along the straightening roller 53, thus straightening the engine crankshaft.

[0028] It should be noted that the above embodiments are only specific and clear descriptions of the technical solutions and features of this application. Solutions or features that are prior art or common knowledge to those skilled in the art will not be described in detail in the above embodiments.

[0029] Furthermore, the technical solutions of this application are not limited to the above embodiments. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An engine crankshaft straightening machine, characterized in that: It includes a U-shaped seat (1), a conveying component (2) is provided on one side inside the U-shaped seat (1), a driving mechanism (3) is provided above the conveying component (2), and support components (4) are provided on both sides of the conveying component (2). The support components (4) are fixedly installed inside the U-shaped seat (1), and a straightening component (5) is provided on the other side inside the U-shaped seat (1). The straightening component (5) is connected to the U-shaped seat (1) through an adjustment mechanism (6).

2. The engine crankshaft straightening machine according to claim 1, characterized in that: The conveying assembly (2) includes a motor (21), a lead screw (22), and a moving plate (23). The lead screw (22) is rotatably mounted inside the U-shaped seat (1). The motor (21) is fixedly mounted on the front surface of the U-shaped seat (1). The output shaft of the motor (21) passes through the front surface of the U-shaped seat (1) and is rotatably connected to the U-shaped seat (1). The output shaft of the motor (21) is fixedly connected to the front end of the lead screw (22). Both ends of the lead screw (22) are threadedly connected to threaded sleeves (24), and the two threaded sleeves (24) have opposite directions of rotation. A fixing rod (25) is provided on one side of the lead screw (22), and the end of the fixing rod (25) is connected to the U-shaped seat (1). The inner wall is fixedly connected, and the two ends of the fixed rod (25) are fitted with sliding sleeves (26). The left and right adjacent sliding sleeves (26) and the screw sleeves (24) are connected by a sliding plate (23). Several evenly distributed conveying rollers (27) are provided above the sliding plate (23). The top surface of the conveying roller (27) and the sliding plate (23) are rotatably connected by a rotating rod (28). The front conveying roller (27) is located between the two left and right adjacent conveying rollers (27) at the rear. The conveying roller (27) and the corresponding sliding plate (23) are rotatably connected by a rotating rod (28). The upper end of the rear conveying roller (27) is provided with a drive mechanism (3).

3. The engine crankshaft straightening machine according to claim 1, characterized in that: The drive mechanism (3) includes a drive motor (31), pulleys (32) and an L-shaped plate (33). The upper end of the rear conveying roller (27) is provided with pulleys (32). Several pulleys (32) are connected by belts (34). The drive motor (31) is fixedly connected to the rear movable sleeve (26) through the L-shaped plate (33). The output shaft of the drive motor (31) is fixedly connected to the rotating shaft of the corresponding pulley (32).

4. The engine crankshaft straightening machine according to claim 1, characterized in that: The support assembly (4) includes a hydraulic cylinder (41) and an arc-shaped support plate (42). The hydraulic cylinder (41) is fixedly installed on the bottom surface inside the U-shaped seat (1). The extension end of the hydraulic cylinder (41) is fixedly installed on the support plate (42). The support plate (42) cooperates with the conveying assembly (2).

5. The engine crankshaft straightening machine according to claim 1, characterized in that: The straightening assembly (5) includes a U-shaped frame one (51), a U-shaped frame two (52) and a straightening roller (53). The U-shaped frame one (51) and the U-shaped frame two (52) are vertically opposite each other. The U-shaped frame one (51) is located below the U-shaped frame two (52). The U-shaped frame one (51), the U-shaped frame two (52) and the U-shaped seat (1) are all connected by an adjustment mechanism (6). The U-shaped frame one (51) and the U-shaped frame two (52) are both equipped with straightening rollers (53). The U-shaped frame one (51), the U-shaped frame two (52) and the corresponding straightening rollers (53) are rotatably connected by a rotating shaft (54).

6. The engine crankshaft straightening machine according to claim 1, characterized in that: The adjustment mechanism (6) includes a top plate (61), an adjustment motor (62), and a rectangular frame (63). The top plate (61) is located above the straightening assembly (5). The top plate (61) and the U-shaped seat (1) are fixedly connected by several electric push rods (64). A rectangular frame (63) is provided below the first U-shaped frame (51) and above the second U-shaped frame (52). The lower rectangular frame (63) is fixedly connected to the U-shaped seat (1), and the upper rectangular frame (63) is fixedly connected to the bottom surface of the top plate (61). A fixing plate (65) is fixedly installed on the side of the rectangular frame (63) near the straightening roller (53). Two worm gears (66) are provided inside the rectangular frame (63), and a support rod (67) is fixedly installed on the bottom surface of the worm gears (66). One end of the support rod (67) passes through the corresponding fixed plate (65) and is rotatably connected to the fixed plate (65). The lower end of the upper support rod (67) is fixedly connected to the second U-shaped frame (52). The upper end of the lower support rod (67) is fixedly connected to the lower rectangular frame (63). A worm (68) is meshed behind the two adjacent worm wheels (66). The worm (68) is rotatably connected to the inner wall of the corresponding rectangular frame (63). The adjusting motor (62) is fixedly installed on one side of the rectangular frame (63). The output shaft of the adjusting motor (62) passes through the rectangular frame (63) and is rotatably connected to the rectangular frame (63). The output shaft of the adjusting motor (62) is fixedly connected to one end of the corresponding worm (68).

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