JP3215097U - Guide post of hydraulic straightener for shaft parts - Google Patents

Abstract

There is provided a guide post for a hydraulic straightener of a shaft part capable of performing continuous measurement of 360 degrees without needing to repeatedly transport the shaft part and saving labor. A hydraulic straightener for a shaft component includes a press machine 1 provided above a base 11 and a horizontal work table above the base provided with a mounting holder 7 and a V-shaped lifting device 6 symmetrically along the axis. Two rotating shafts 9 are provided on each mounting holder, the rotating shaft above one of the mounting holders is connected to the output shaft of the motor 10, and each rotating wheel 8 is mounted on the rotating shaft. The screw 2 and the cylindrical guide rail 12 are provided on one side of the base, the guide bush 4 is fitted on the screw and the cylindrical guide rail, one end of the screw is connected to the servo motor 5, and the guide post is V-shaped. Provided on both sides of the block, the support base is fixed on the base, and springs are fitted on the guide posts on both sides of the V-shaped block. [Selection] Figure 1

Description

  The present invention relates to a technical field of shaft re-bending, and more particularly, to a hydraulic straightener for a shaft component and an inspection method thereof.

  The heat treatment refers to a metal thermal processing step in which a metal material is in a solid state to obtain a required performance by changing the surface of the material or internal chemical components and structure by means of heating, heat retention and cooling. Shaft parts, especially important parts, must be heat-treated, and most of the shaft parts after heat treatment are deformed due to non-uniform heat reception. I couldn't meet.

The straightening methods after deformation after heat treatment include heating correction by gas flame, hydraulic correction, etc., and the effect of heating correction by gas flame on the shaft parts is not remarkable. The current correction method is often corrected by pressing with a press machine, then repeatedly measuring and correcting, and lifting up several times through a traveling crane to improve the processing efficiency of shaft parts. It was a waste of labor due to repeated operations.
Thus, it was clearly and very necessary to devise hydraulic straighteners and inspection methods for shaft components.

  In view of the above technical problem, an object of the present invention is to provide a hydraulic straightener for shaft parts.

  The shaft type hydraulic straightener according to the present invention includes a press machine (1), a screw (2), a micrometer (3), a guide bush (4), a servo motor (5), a V-type lifting device (6) and an attachment. A holder (7), a rotating wheel (8), a rotating shaft (9), a motor (10), a base (11), and a cylindrical guide rail (12); the press machine (1) includes the base ( 11), and the horizontal work table above the base (11) is provided with the mounting holder (7) and the V-shaped lifting device (6) which are symmetrical along the axis, and the mounting holder ( 7) Two rotating shafts (9) are provided on each of them, and the rotating shaft (9) above any one of the mounting holders (7) is connected to the output shaft of the motor, Each rotating wheel (8) is provided on the rotating shaft (9), and the front The screw (2) and the cylindrical guide rail (12) are provided on one side of the base (11), and the guide bush (4) is fitted on the screw (2) and the cylindrical guide rail (12). One end of the screw (2) is connected to the servo motor (5).

  The V-type lifting device includes a guide post, a hydraulic cylinder, a V-type block, a spring, and a support base; the guide post is provided on both sides of the V-type block through both sides of the V-type block, and the support base Is fixed on the base.

  In particular, the springs are respectively fitted on the guide posts on both sides of the V-shaped block.

  The micrometer is fixed to the upper end of the guide bush.

  The center line in the horizontal direction of the V-shaped block, the center line in the horizontal direction of the pressure plate of the press machine, and the horizontal symmetry line of the two rotation shafts located on one side of the base are in the same vertical plane.

  One end of the piston rod of the hydraulic cylinder located on the support base is connected to the V-shaped block.

  A roller is provided below the mounting holder so that it can move back and forth.

The inspection includes a press machine, a screw, a micrometer, a guide bush, a servo motor, a V-type lifting device, a mounting holder, a rotating wheel, a rotating shaft, a motor, a base, and a cylindrical guide rail; The mounting holder and the V-type lifting device which are provided above the base and are symmetrical along the axis are provided on the horizontal work table above the base, and each of the two rotating shafts is provided on the mounting holder. The rotating shaft above any one of the mounting holders is connected to the output shaft of the motor, and the rotating wheels are provided on the rotating shaft, respectively, and the one side of the base A screw and the cylindrical guide rail are provided, the guide bush is fitted on the screw and the cylindrical guide rail, and one end of the screw is connected to the servo mode. Linked to;
As the inspection method,
The mounting holder is moved to leave the press machine and the shaft parts are moved onto the rotating wheel of the mounting holder by a traveling crane. At this time, four rotations of the front and rear end portions of the shaft parts are performed. Lifting installation step 1) to ensure that the wheel can come into contact with the rotating wheel;
The hydraulic cylinder of the V-type lifting device is turned on, the shaft part is pushed with the piston rod of the hydraulic cylinder to be detached from the rotating wheel, the micrometer is brought into contact with the surface of the shaft part, and the servo motor is Turn on and move the micrometer above the guide bush from one end to the other end of the shaft components. At this time, the operator reads the display value of the micrometer and confirms that the numerical value is smaller than the reference value. Guaranteeing that when the micrometer is moved to the saddle position and the reading exceeds the reference, the operator marks the position exceeding the reference value with a chalk or a marker pen 2), and
The marking part is squeezed by the pressing plate of the press machine, and after the completion of the reduction, the part is measured by the micrometer and the displayed value is read. If the reference value is also exceeded, the squeezing part is subsequently referenced by the press machine. Operation step 3) of exceeding the reference value to pressurize until the value is reached,
Repeat the measurement, and if the micrometer measurement results still have a reference value excess, continue the above operation, and if the cylindricity of the shaft components meets the requirements, retract the piston rod of the hydraulic cylinder to When a similar part is lowered to the rotating wheel, the motor is turned on, the rotating wheel is rotated 90 degrees in conjunction with the above, and the measurement step and the operation step exceeding the reference value are repeated three times, and 360 degrees are measured. Rotation measurement step 4) which proceeds to the operation of the next step after finishing the process and reaching the reference,
Lifting and unloading step 5) for lifting the shaft parts with a traveling crane, leaving the base and leaving the base for 1 hour.

Compared to the prior art, the present invention has the following effects.
1. The structure of the present invention is simple, the structure design is rational and compact, the shaft parts are pushed up by a hydraulic cylinder and the hydraulic parts are bent again. It is convenient and labor-saving for use, and it is necessary to transport the shaft parts repeatedly. There is no labor saving and safe.
2. The present invention uses a combination of a V-shaped lifting device and a rotating wheel, and can continuously measure the shaft components 360 degrees without moving the shaft components from the base and measuring time. Is convenient, labor-saving and quick.
3. The measurement of the present invention uses a moving micrometer to move along the same axis of the shaft (the shaft diameter is the same), and the measurement result is reliable and accurate. , Greatly reduce staffing.

3D structure diagram of the present invention Structural drawing viewed from the left side of the present invention Structural drawing viewed from the right side of the present invention Structure of the V-type lifting device in FIG. 1 of the present invention

  Hereinafter, the present invention will be further described with reference to the accompanying drawings.

Referring to FIGS. 1 to 4, the hydraulic straightener and inspection method for shaft components according to the present invention are attached to a press machine 1, a screw 2, a micrometer 3, a guide bush 4, a servo motor 5, and a V-type lifting device 6. Holder 7, rotating wheel 8, rotating shaft 9, motor 10, base 11, and cylindrical guide rail 12; the press machine 1 is provided above the base 11, and is aligned with the horizontal work table above the base 11. Are provided with a mounting holder 7 and a V-shaped lifting device 6 that are symmetric with respect to each other. Two rotating shafts 9 are provided on the mounting holder 7, and the rotation above one of the mounting holders 7 is provided. The shaft 9 is connected to the output shaft of the motor 10, and each rotating wheel 8 is provided on the rotating shaft 9. Under the driving of the motor 10, the rotating shaft 9 is linked to shaft components on the rotating wheel 8. The base 11 can rotate at a certain angle. The screw 2 and the cylindrical guide rail 12 are provided on one side, the guide bush 4 is fitted on the screw 2 and the cylindrical guide rail 12, one end of the screw 2 is connected to the servo motor 5, and the servo motor 5 When the guide bush 4 on the screw 2 moves along the cylindrical guide rail 12 by rotating in conjunction with each other, the micrometer 3 at the upper end of the guide bush 4 measures the surface of the shaft parts along a straight line;
As an inspection method,
The mounting holder 7 is moved away from directly below the press 1 and the shaft parts are moved onto the rotating wheel 8 of the mounting holder 7 by a traveling crane. At this time, the four rotations at the front and rear ends of the shaft parts are performed. Lifting installation step 1) to ensure that the wheel 8 can come into contact with the rotating wheel 8;
The hydraulic cylinder 61 of the V-type lifting device 6 is turned on, the shaft parts are pushed away from the rotating wheel 8 with the piston rod of the hydraulic cylinder 61, the micrometer 3 is brought into contact with the surface of the shaft parts, and the servo motor 5 is turned on. Turn on and move the micrometer 3 above the guide bush 4 from one end to the other end of the shaft components. At this time, the operator reads the display value of the micrometer 3 and confirms that the numerical value is smaller than the reference value. Assured, when the micrometer 3 moves to the saddle position and the reading exceeds the reference, the operator marks the position exceeding the reference value with a chalk or a marker pen 2), and
The marking part is squeezed down by the pressure plate of the press machine 1, and after the reduction is completed, the part is measured by the micrometer 3 and the display value is read. Operation step 3) of exceeding the reference value to pressurize until the value is reached,
If the measurement result of the micrometer 3 still exceeds the reference value, the above operation is continued, and when the cylindricity of the shaft components meets the requirements, the piston rod of the hydraulic cylinder 61 is contracted to Similar parts are lowered to the rotating wheel 8, the motor 10 is turned on, the rotating wheel 8 is rotated 90 degrees in conjunction with the above measurement steps, and the operation steps exceeding the reference value are repeated three times, and 360 degrees are measured. Rotation measurement step 4) which proceeds to the operation of the next step after finishing the process and reaching the reference,
Lifting and unloading step 5) using a traveling crane to lift the shaft parts away from the base 11 and let stand for 1 hour.
including.

  The V-type lifting device 6 includes a guide post 60, a hydraulic cylinder 61, a V-type block 62, a spring 63, and a support base 64; the guide post 60 is provided on both sides of the V-type block 62 through both sides of the V-type block 62. The support base 64 is fixed onto the base 11.

  Since the springs 63 are respectively fitted on the guide posts 60 on both sides of the V-shaped block 62 and provided with a shock absorber when being squeezed by a press machine, and arranged symmetrically, the forces received on both sides of the V-shaped block 62 are uniform. Guarantee to be.

  The micrometer 3 is fixed to the upper end of the guide bush 4, and the guide bush 4 is moved in conjunction with the rotation of the servo motor 5, and the micrometer 3 measures the variation amount of the cylindricity along the same bus of the shaft components. Convenient and labor-saving in use, and uses continuous measurement, the measurement result is accurate and reliable.

  The center line in the horizontal direction of the V-shaped block 62, the center line in the horizontal direction of the pressure plate of the press machine 1, and the horizontal symmetry line of the two rotating shafts 9 located on one side of the base 11 are in the same vertical plane. When moving up and down the like parts, it can be moved up and down along the vertical line, ensuring that the axis lines are on the same vertical plane when moving up and down.

  One end of the piston rod of the hydraulic cylinder 61 located on the support base 64 is connected to the V-shaped block 62, and the V-shaped block 62 is moved up and down by expansion and contraction of the piston rod of the hydraulic cylinder 61. This makes it possible to raise and lower the shaft components just above the head, making it convenient and labor-saving.

  By providing a roller below the mounting holder 7, it can be moved back and forth, and the installation of components is labor-saving and convenient.

  Those who use the technical solutions described before the present invention, or under the teaching of the technical solutions of the present invention by the person skilled in the art, design similar technical solutions to achieve the above technical effects. It falls within the protection scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Press machine 2 Screw 3 Micrometer 4 Guide bush 5 Servo motor 6 V type raising / lowering device 7 Mounting holder 8 Rotating wheel 9 Rotating shaft 10 Motor 11 Base 12 Cylindrical guide rail 60 Guide post 61 Hydraulic cylinder 62 V type block 63 Spring 64 Support base

Claims (4)

A hydraulic straightener for shaft parts, which includes a press machine (1), a screw (2), a micrometer (3), a guide bush (4), a servo motor (5), a V-type lifting device (6), and a mounting holder (7), a rotating wheel (8), a rotating shaft (9), a motor (10), a base (11), and a cylindrical guide rail (12); the press machine (1) includes the base (11) ), And the mounting holder (7) and the V-type lifting device (6) that are symmetrical along the axis are provided on the horizontal work table above the base (11), and the mounting holder (7 ) Two rotating shafts (9) are provided on each of them, and the rotating shaft (9) above any one of the mounting holders (7) is connected to the output shaft of the motor, and the rotation The rotating wheels (8) are provided on the shaft (9), respectively, (11) The screw (2) and the cylindrical guide rail (12) are provided on one side, and the guide bush (4) is fitted on the screw (2) and the cylindrical guide rail (12). One end of the screw (2) is connected to the servo motor (5),
The V-shaped lifting device (6) includes a guide post (60), a hydraulic cylinder (61), a V-shaped block (62), a spring (63), and a support base (64); the guide post (60) Is provided on both sides of the V-shaped block (62) through both sides of the V-shaped block (62), the support base (64) is fixed on the base (11), and the V-shaped block (62) is disposed on both sides of the V-shaped block (62). Each of the springs (63) is fitted on the guide post (60). The guide post of the hydraulic straightener for shaft components according to claim 1, wherein the micrometer (3) is fixed to an upper end of the guide bush (4). Horizontal symmetry of the V-shaped block (62) horizontal center line, the pressure plate horizontal center line of the pressing machine (1), and the two rotating shafts (9) located on one side of the base (11) The guide post of the hydraulic straightener of shaft parts according to claim 1, wherein the lines are in the same vertical plane. The guide post of the hydraulic straightener for shaft parts according to claim 1, wherein one end of the piston rod of the hydraulic cylinder (61) located on the support base (64) is connected to the V-shaped block (62).

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