Detection fixing tool for hanging ring hot forging piece and use method of detection fixing tool

Abstract

The invention discloses a detection fixing tool for a hanging ring hot forging piece and a using method thereof, the detection fixing tool comprises a base, a sliding assembly and an inclined plane fixing seat, the sliding assembly and the inclined plane fixing seat are located on the left side and the right side of the base respectively, a sliding block is perpendicular to a bending part binding face of the hanging ring hot forging piece, and therefore it is ensured that the bending angle is qualified; the height of the sliding block is equal to the height of the center hole of the bent section, the height of the center hole can be visually detected through line drawing, the width of the clamping jaw after line drawing can be measured, the center position of the center hole can be detected, and whether the other three key sizes are appropriate or not can be judged only by detecting one size through the detection fixing tool. The method is simple and fast to operate, can timely correct the hot forge piece when the size is unqualified, avoids rework and repair of secondary heating, can save the cost, and improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of processing and detection of lifting ring forgings, and a detection fixing tool for a lifting ring hot forging and a use method thereof. BACKGROUND

[0002] As a core load-bearing component in the field of hoisting and engineering machinery, the size precision (such as opening distance, bending angle, and connecting hole center size) of a lifting ring forging directly determines the assembly adaptability and use safety, and therefore needs to be strictly detected in size after production.

[0003] The lifting ring forging has a complex shape, and the hot forging cannot be detected by a measuring tool. Usually, the size needs to be detected after the forging is cooled after bending, and the spatial size detection is complicated, the sizes are detected separately, the correlation is poor, the error is large, the efficiency is low, the rework and repair work efficiency is low, and the economy is poor. After the forging blank is bent and fixed to the machine body, the working part of the lifting ring is in a vertical state, the working part is the original size of the forging, and does not need to be machined. When the bending angle has a difference, the working angle needs to be ensured by machining two fixing claws, which causes subsequent processing to be complicated and the yield to be low. The center size of the fixing claw is a key part for assembly, and the position of the center hole determines whether the lifting ring and the connecting pipe of the machine body interfere. Due to the uncertainty of angle measurement, the size error measured by the height gauge is large, and it is found that the claw 1 and the claw 2 of the forging are not in the same plane after bending. After the problem parts are detected, rework and repair are usually needed, which is time-consuming and inefficient, and the yield of qualified products is low. Some forgings are found to be unqualified in size after machining due to detection error, causing serious waste.

[0004] Therefore, the existing lifting ring forging size detection method has the problems of poor stability, low efficiency, and insufficient detection precision of related sizes due to the lack of a special fixing tool, and cannot meet the demand of the industry for high-quality and high-efficiency detection of forgings. Therefore, a fixing tool capable of accurately positioning the lifting ring hot forging and supporting synchronous detection of multiple related sizes needs to be designed to solve the above technical problems. SUMMARY

[0005] The present application aims to provide a detection fixing tool for a lifting ring hot forging and a use method thereof. By placing the hot forging once, the forging can be fixed by using the sliding block, the bending angle is proved to be suitable by closely fitting the sliding block, the size and position of the two fixed center holes are determined by visual inspection and scribing, so as to determine whether the forging is qualified after the bending process, and the size deviation can be directly reworked and repaired to achieve the ideal size.

[0006] To achieve the above object, the application provides a detection fixing tool for a lifting ring hot forging in one aspect, which comprises a base which is a rectangular body as a whole; a sliding assembly which is arranged along the length direction of the base and located at the left side of the base, the sliding assembly comprising a sliding block and a sliding rail matched with the sliding block, the sliding block moving along the sliding rail towards the lifting ring hot forging to be detected, the side of the sliding block facing the lifting ring hot forging being a plane perpendicular to the base, the plane being arranged along the width direction of the base and used for abutting against the curved section of the lifting ring hot forging; and a bevel fixing seat which is arranged along the length direction of the base and located at the right side of the base, the side of the bevel fixing seat facing the lifting ring hot forging being a bevel at a certain angle with the base, the bevel being arranged along the width of the base and used for placing the straight section of the lifting ring hot forging.

[0007] Wherein, the sliding block and the bevel fixing seat form a fixing space for the lifting ring hot forging, the inclination angle of the bevel is consistent with the connection angle when the lifting ring hot forging is assembled; the abutting surface of the curved section and the sliding block is a plane perpendicular to the base, the height of the sliding block is the height of the center hole of the curved section; and the straight section of the lifting ring hot forging abuts against the bevel.

[0008] According to the embodiments of the application, the curved section of the lifting ring hot forging comprises a first clamping jaw and a second clamping jaw in Y shape, after the lifting ring hot forging is placed into the fixing space, the sliding block moves along the sliding rail to abut against the first clamping jaw and the second clamping jaw, and the abutting surfaces of the first clamping jaw and the second clamping jaw are located in the same plane and perpendicular to the base.

[0009] According to the embodiments of the application, the sliding block is a cube, and the bottom of the sliding block is slidably connected with the sliding rail.

[0010] According to the embodiments of the application, the cross section of the bevel fixing seat is a similar right triangle.

[0011] According to the embodiments of the application, one end of the base is provided with a transfer lifting hole for carrying and transferring the detection fixing tool.

[0012] According to the embodiments of the application, the length of the sliding block is not less than the width of the base.

[0013] According to the embodiments of the application, the sliding rail is a sliding groove recessed inwardly from the base, and the bottom of the sliding block is provided with a protrusion matched with the sliding groove.

[0014] According to the embodiments of the application, the base, the bevel fixing seat and the sliding block are all made of steel.

[0015] The application discloses another aspect of a use method of the detection fixing tool, which is suitable for the detection fixing tool for the lifting ring hot forging and comprises the following steps.

[0016] S1: customizing the corresponding fixing tool so that the angle of the bevel is consistent with the connection angle when the lifting ring hot forging to be detected is assembled;

[0017] S2: Place the hot forging of the lifting eye to be inspected on the fixed fixture, with the back of the hot forging of the lifting eye in close contact with the inclined surface of the inclined surface fixing seat;

[0018] S3: By moving the slider, it is made to fit tightly against the two jaws of the hot forged lifting eye. The two jaws are on the same plane. When the slider fits tightly against both jaws, it proves that the bending angle is qualified.

[0019] S4: By drawing lines, the width of the jaws can be directly measured, the height of the center hole can be detected, and the position of the center hole can be determined, thereby determining whether multiple dimensions of the hot forging of the lifting eye are qualified.

[0020] The advantages of the present invention over the prior art are:

[0021] 1. The fixing fixture of this application uses a slider and an inclined plane fixing seat to fix the lifting ring forging to be inspected. The angle of the inclined plane fixing seat is consistent with the connection angle when the lifting ring is assembled. The contact surface of the slider and the jaw of the lifting ring forging is perpendicular to the base, thereby ensuring that the bending angle is qualified. The height of the slider is the height of the center hole of the jaw. By drawing a line, the height of the center hole can be visually detected. By measuring the width of the jaw after drawing the line, the center position of the center hole can be detected. Thus, the bending angle, the center position of the subsequent machining hole, and the parallelism of the two jaws can be detected in one go. At the same time, if the operator finds a problem with the hot forging, it can be reworked immediately, improving production, forging qualification rate and inspection efficiency.

[0022] 2. By using the inspection fixture of this application, it is only necessary to inspect one dimension to determine whether the other three key dimensions are appropriate. The operation is simple and quick. If any dimension is found to be unqualified, it can be corrected in time while the part is hot forging, avoiding rework and repair due to reheating. This can save costs and improve production efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a structural fixture for inspecting and fixing hot-forged lifting rings, as exemplified by the present invention.

[0024] Figure 2 This is a schematic diagram illustrating the use of a fixture for fixing hot-forged lifting rings in the inspection of hot-forged lifting rings, as an example of the present invention.

[0025] The annotations in the attached figures are explained as follows:

[0026] 1. Base, 2. Slider, 3. Inclined fixing seat, 4. Transfer lifting hole, 5. Hot forged lifting eye, 51. Straight section, 52. Bending section. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] Please see Figure 1 and Figure 2 As shown in the figure, this application discloses a testing and fixing fixture for hot forgings of lifting rings, including a base 1 and sliding components and inclined fixing seats 3 located on the left and right sides of the base 1 respectively. The contact surface of the slider 2 with the bent part of the hot forging 5 of the lifting ring is perpendicular to the base 1, thereby ensuring that the bending angle is qualified. The height of the slider 2 is the height of the center hole of the bent section 52. By drawing a line, the height of the center hole can be visually detected. By measuring the width of the chuck after drawing the line, the center position of the center hole can be detected. By using this testing and fixing fixture, only one dimension needs to be detected to determine whether the other three key dimensions are appropriate. The operation is simple and quick. If any dimension is found to be unqualified, it can be corrected in time while the hot forging is in its hot forging state, avoiding rework and repair by reheating, saving costs and improving production efficiency.

[0029] In this embodiment, the base 1 is a rectangular shape.

[0030] Specifically, one end of the base 1 is provided with a transfer lifting hole 4 for transporting and transferring the testing fixture.

[0031] In this embodiment, the sliding component is arranged along the length direction of the base 1 and located on the left side of the base 1. The sliding component includes a slider 2 and a matching slide rail. The slider 2 moves along the slide rail toward the hot forging of the lifting ring to be tested. The side of the slider 2 facing the hot forging of the lifting ring 5 is a plane perpendicular to the base 1. This plane is arranged along the width direction of the base 1 and is used to abut against the bent section 52 of the hot forging of the lifting ring 5.

[0032] Specifically, slider 2 is a cube, and the bottom of slider 2 is slidably connected to the slide rail.

[0033] Specifically, the slide rail is a groove recessed inward on the base 1, and the bottom of the slider 2 is provided with a protrusion that matches the groove.

[0034] Specifically, the bent section 52 of the hot forging of the lifting ring 5 includes a first claw and a second claw in the shape of a Y. After the hot forging of the lifting ring 5 is placed in the fixed space, the slider 2 moves along the slide rail to make it fit with the first claw and the second claw. The contact surfaces of the first claw and the second claw are located on the same plane and are perpendicular to the base 1.

[0035] Specifically, the length of the slider 2 is not less than the width of the base 1, and can be equal to or greater than the width of the base 1, to ensure that the bent section 52 of the hot forging of the lifting ring 5 is in contact with the slider 2.

[0036] Specifically, the contact surface between the bent section 52 and the slider 2 is a plane perpendicular to the base 1, and the height of the slider 2 is the height of the center hole of the bent section 52. In this way, the height of the center hole can be visually detected by drawing a line, and the center position of the center hole can be detected by measuring the width of the claw after drawing the line.

[0037] The inclined fixing seat 3 is set along the length of the base 1 and located on the right side of the base 1. The side of the inclined fixing seat 3 facing the hot forging of the lifting ring 5 is an inclined surface at a certain angle to the base 1. This inclined surface is set along the width of the base 1 and is used to place the straight segment 51 of the hot forging of the lifting ring 5.

[0038] Specifically, the cross-section of the inclined plane fixing seat 3 is a near-right triangle.

[0039] Specifically, a fixing space for the hot-forged lifting ring 5 is formed between the slider 2 and the inclined surface fixing seat 3, and the inclination angle of the inclined surface is consistent with the connection angle when the lifting ring forging is assembled.

[0040] The straight section 51 of the hot forged lifting ring 5 is in contact with the inclined surface.

[0041] Specifically, the base 1, the inclined plane fixing seat 3, and the slider 2 are all made of steel, and ordinary steel can meet the requirements, resulting in low cost.

[0042] Another aspect of this application discloses a method for using a testing fixture, applicable to the testing fixture for a hot-forged lifting eyelet 5 as described above, comprising the following steps:

[0043] S1: Customize the corresponding fixing fixtures so that the angle of its inclined surface is consistent with the connection angle when the hot forging of the lifting eye 5 to be tested is assembled;

[0044] S2: Place the hot forging 5 of the lifting eye to be inspected on the fixed fixture, with the back of the hot forging 5 of the lifting eye in close contact with the inclined surface of the inclined surface fixing seat 3;

[0045] S3: By moving slider 2, it is made to fit tightly against the two jaws of the hot forged lifting eye 5. The two jaws are located on the same plane. When slider 2 fits tightly against both jaws, it proves that the bending angle is qualified.

[0046] S4: By drawing lines, the width of the jaws can be directly measured, the height of the center hole can be detected, and the position of the center hole can be determined, thereby determining whether more than 5 dimensions of the hot forging of the lifting ring are qualified.

[0047] The working principle of the inspection fixture in this embodiment is as follows: The hot forging of the lifting eye 5 to be inspected is placed on the fixture, and its back side (i.e., the straight section) is in close contact with the inclined surface of the inclined fixed base 1; by moving the slider 2, the slider 2 is in close contact with the two jaws of the hot forging of the lifting eye 5, indicating that the bending angle is qualified. The back side of the hot forging of the lifting eye 5 and the jaws are in close contact with the fixture at the same time, indicating that the upper and lower planes have the same machining allowance in subsequent machining, which can meet the machining requirements. The height dimension of the slider 2 is the size of the center hole of the forging. A line is drawn along the height of the slider 2. The line is in the center position, indicating that the height dimension of the hole in subsequent machining is qualified. The horizontal dimension of the center hole can be determined by checking the maximum dimension at both ends with a caliper. The angle α of the fixed base 1 is consistent with the angle when the lifting ring is assembled. The slider 2 is perpendicular to the base 1 and also remains perpendicular in the horizontal direction. When the slider 2 is in contact with the first and second jaws during operation, it proves that the bending angle is qualified. The height dimension of the slider 2 is the height dimension of the center hole of the jaw machine. After placing the bent forging, it can be seen intuitively whether the height dimension of the center hole is in the center of the jaw. By directly measuring the width dimension of the jaw, the position of the center hole can be determined, thereby determining whether multiple dimensions of the forging are qualified.

[0048] In summary, the technical solution of this application has the following beneficial effects:

[0049] 1. The fixing fixture of this application uses a slider and an inclined plane fixing seat to fix the lifting ring forging to be inspected. The angle of the inclined plane fixing seat is consistent with the connection angle when the lifting ring is assembled. The contact surface of the slider and the jaw of the lifting ring forging is perpendicular to the base, thereby ensuring that the bending angle is qualified. The height of the slider is the height of the center hole of the jaw. By drawing a line, the height of the center hole can be visually detected. By measuring the width of the jaw after drawing the line, the center position of the center hole can be detected. Thus, the bending angle, the center position of the subsequent machining hole, and the parallelism of the two jaws can be detected in one go. At the same time, if the operator finds a problem with the hot forging, it can be reworked immediately, improving production, forging qualification rate and inspection efficiency.

[0050] 2. By using the inspection fixture of this application, it is only necessary to inspect one dimension to determine whether the other three key dimensions are appropriate. The operation is simple and quick. If any dimension is found to be unqualified, it can be corrected in time while the part is hot forging, avoiding rework and repair due to reheating. This can save costs and improve production efficiency.

[0051] The above are merely preferred embodiments of the present invention and are not intended to limit the implementation methods and protection scope of the present invention. Those skilled in the art should recognize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. An inspection fixture for a swage, characterized by, The utility model relates to a kind of fixed tool for detecting the ring hot forging, including: Base, overall rectangular body; Sliding assembly, it is located left side of the base along the length direction of the base, the sliding assembly includes slider and the slide rail matched with it, the slider moves along the slide rail towards the ring hot forging to be detected, the side of the slider towards the ring hot forging is the plane perpendicular to the base, which is arranged along the width direction of the base and is used to abut the curved section of the ring hot forging; Inclined surface fixed seat, it is located right side of the base along the length direction of the base, the side of the inclined surface fixed seat towards the ring hot forging is the inclined surface with the base at a certain angle, which is arranged along the width of the base and is used to place the straight section of the ring hot forging; Wherein, the slider and the inclined surface fixed seat form the fixed space of the ring hot forging, and the inclination angle of the inclined surface is consistent with the connection angle when the ring forging is assembled; Wherein, the fitting surface of the curved section and the slider is the plane perpendicular to the base, and the height of the slider is the height of the center hole of the curved section;The straight section of the ring hot forging is attached to the inclined surface.

2. The detection and fixing tool for the hot-forged lifting ring according to claim 1, characterized in that, The curved section of the ring hot forging includes first jaw and second jaw in Y type, after the ring hot forging is placed in the fixed space, the slider is moved along the slide rail to make it fit with the first jaw and the second jaw, and the fitting surface of the first jaw and the second jaw is located in the same plane and perpendicular to the base.

3. The detection and fixing tool for the hot-forged lifting ring according to claim 1, characterized in that, The slider is a cube, and the bottom of the slider is slidably connected with the slide rail.

4. The detection and fixing tool for the hot-forged lifting ring according to claim 1, characterized in that, The cross section of the inclined surface fixed seat is similar to right triangle.

5. The detection and fixing tool for the hot-forged piece of the lifting ring according to claim 1, characterized in that, One end of the base is provided with a transfer lifting hole for carrying and transferring the fixed tool.

6. The detection and fixing tool for the hot-forged piece of the lifting ring according to claim 1, characterized in that, The length of the slider is not less than the width of the base.

7. The detection and fixing tool for the hot-forged piece of the lifting ring according to claim 1, characterized in that, The slide rail is a groove recessed inwardly from the base, and the bottom of the slider is provided with a protrusion matched with the groove.

8. The detection and fixing tool for the hot-forged piece of the lifting ring according to claim 1, characterized in that, The base, inclined surface fixed seat and slider are all made of steel.

9. A method of detecting the use of a fixture, suitable for use with a fixture for hot swaging a lifting link as claimed in any one of claims 1 to 8, characterised in that, The steps include: S1: customizing the corresponding fixed tool, so that the angle of the inclined surface is consistent with the connection angle when the ring hot forging to be detected is assembled; S2: placing the ring hot forging to be detected on the fixed tool, and tightly attaching the back of the ring hot forging to the inclined surface of the inclined surface fixed seat; S3: moving the slider to tightly attach it to the two jaws of the ring hot forging, and the two jaws are located in the same plane, which proves that the bending angle is qualified when the slider is attached to the two jaws; S4: directly measuring the jaw width size by drawing a line, detecting the center hole height size, determining the center hole position, and determining whether the multiple sizes of the ring hot forging are qualified.

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