CN220472540U - Symmetry inspection tool for connecting rod forging blank - Google Patents

Abstract

The utility model discloses a symmetry degree inspection tool for a connecting rod forging blank, which relates to the technical field of detection of engine connecting rods and comprises a workbench, wherein a first limiting mechanism for positioning a small end of a connecting rod, a second limiting mechanism for positioning a large end of the connecting rod and a vertical positioning mechanism for flattening the large end of the connecting rod are arranged on the workbench; the detection beat of the utility model is 2 pieces/min, the detection efficiency is improved, the effective efficiency is improved, the detection time is shortened, and the repeated detection accuracy is high.

Description

Symmetry inspection tool for connecting rod forging blank

Technical Field

The utility model relates to the technical field of detection of engine connecting rods, in particular to a symmetry degree detection tool for a connecting rod forging blank.

Background

In the engine connecting rod forging industry, along with the rapid development of the modern forging industry, the processing and forming of forgings by using a die has become the mainstream development trend of the current manufacturing industry, and the production efficiency of the forging industry is greatly improved. The symmetry degree of the two side faces is easy to be asymmetric in the forging production process of the connecting rod, so that the symmetry degree test of the two side faces of the forging blank is set up for the production of the connecting rod, and 100% of the symmetry degree of the two side faces of the connecting rod is required to be detected.

The measuring gauge on the market at present only detects the symmetry degree of the finished product of the connecting rod, the measuring principle is that an adjustable width positioning block is fixed on a platform, the connecting rod is positioned according to a big head hole and a small head hole by utilizing the different widths of different products, a finished product sample of the connecting rod is manufactured, the width value is measured by a dial indicator and is compared with a standard value, and the symmetry degree of the two side surfaces of the connecting rod is calculated, but the measuring gauge is only suitable for detecting the finished product of the connecting rod, the product is very complicated to change the shape each time, and is not suitable for detecting the symmetry degree of the two side surfaces of a connecting rod blank.

In addition, the symmetry degree of the two side faces of the connecting rod blank can be detected by adopting three-coordinate detection, and although the three-coordinate detection is high in precision, the detection efficiency is low, and on-site operators can stop for waiting for a detection result during each detection, so that the production efficiency is reduced.

Therefore, there is a need to design a symmetry inspection tool for connecting rod forging blanks to improve the above problems.

Disclosure of Invention

Aiming at the problems in the prior art, the symmetry degree inspection tool for the connecting rod forging blank provided by the utility model improves the detection efficiency and the effective efficiency.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a symmetry inspection frock is used to connecting rod forging blank, includes the workstation, be equipped with on the workstation be used for the first stop gear of location connecting rod tip, be used for the second stop gear of location connecting rod tip, be used for flattening the vertical positioning mechanism of connecting rod tip, the bilateral symmetry of workstation is equipped with the detection mechanism who is used for detecting connecting rod both sides face symmetry, detection mechanism is including fixing the amesdial on the workstation, fixture block, pneumatic portion, both ends that are connected pneumatic portion and fixture block respectively with the measuring stick of amesdial.

Preferably, the first limiting mechanism is formed with a V-shaped groove.

Preferably, the second limiting mechanism comprises a limiting cylinder and a U-shaped limiting block connected with the limiting cylinder.

Preferably, the limiting cylinder is arranged below the workbench, and the limiting block penetrates through the workbench and can move up and down by means of the limiting cylinder.

Preferably, the vertical positioning mechanism comprises a supporting seat arranged on the workbench, a positioning cylinder arranged on the supporting seat and a pressing plate connected with the positioning cylinder.

Preferably, the front end of the pressing plate is formed with a semicircular opening.

Preferably, the pneumatic unit includes a detection cylinder and a pneumatic switch for controlling the detection cylinder.

Preferably, a bracket is arranged at the corner below the workbench.

By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:

1. according to the symmetry degree inspection tool for the connecting rod forging blank, disclosed by the utility model, the detection beat is 2 pieces/min, so that the detection efficiency is improved, and the effective efficiency is improved;

2. the symmetry degree inspection tool for the connecting rod forging blank shortens the detection time and has high repeated detection accuracy.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is a perspective view of an example of the present utility model;

FIG. 2 is another perspective view of an example of the utility model;

FIG. 3 is a front view of an example of the utility model;

FIG. 4 is a side view of an example of the utility model;

FIG. 5 is a top view of an example of the utility model;

wherein reference numerals include: the device comprises a workbench 1, a first limiting mechanism 2, a second limiting mechanism 3, a vertical positioning mechanism 4, a detection mechanism 5, a bracket 11, a V-shaped groove 21, a limiting cylinder 31, a limiting block 32, a supporting seat 41, a positioning cylinder 42, a pressing plate 43, an opening 431, a dial indicator 51, a clamping block 52, a pneumatic part 53, a detection cylinder 531, a pneumatic switch 532 and a pulling piece 54.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It is noted that all of the figures are exemplary representations. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Referring to fig. 1 and 2, fig. 1 is a perspective view of an example of the utility model, fig. 2 is another perspective view of an example of the utility model, and a symmetry degree inspection tool for a connecting rod forging blank comprises a workbench 1, a first limiting mechanism 2, a second limiting mechanism 3, a vertical positioning mechanism 4 and a detection mechanism 5 which are arranged on the workbench 1, wherein a bracket 11 is arranged at a corner below the workbench 1.

Referring to fig. 2 to 5, the first limiting mechanism 2 is used for positioning the small end of the connecting rod, and a V-shaped groove 21 is formed on the first limiting mechanism 2, and the V-shaped groove 21 can clamp the small end of the connecting rod.

The second limiting mechanism 3 is used for positioning the big end of the connecting rod, the second limiting mechanism 3 comprises a limiting cylinder 31 and a U-shaped limiting block 32 connected with the limiting cylinder 31, the limiting cylinder 31 is arranged below the workbench 1, the limiting block 32 penetrates through the workbench 1 and can move up and down depending on the limiting cylinder 31, and the big end of the connecting rod can be clamped by the opening of the U-shaped limiting block 32.

After the connecting rod blank is placed during detection, although the first limiting mechanism 2 and the second limiting mechanism 3 limit the blank, the blank is possibly in an inclined state, namely, the blank is flatly placed on the workbench 1, the vertical positioning mechanism 4 is required to flatten the connecting rod blank, the vertical positioning mechanism 4 comprises a supporting seat 41 arranged on the workbench, a positioning cylinder 42 arranged on the supporting seat 41 and a pressing plate 43 connected with the positioning cylinder 42, the positioning cylinder 42 moves to drive the pressing plate 43 to move up and down, the connecting rod blank is flattened or is decompressed, a semicircular opening 431 is formed at the front end of the pressing plate 43, and the semicircular opening 431 is matched with the connecting rod blank so as to effectively flatten the connecting rod.

The detection mechanism 5 is symmetrically arranged at two sides of the workbench 1 and is used for detecting symmetry of two side surfaces of the connecting rod, the detection mechanism 5 comprises a dial indicator 51 fixed on the workbench 1, a clamping block 52 connected with a measuring rod of the dial indicator 51, a pneumatic part 53 and a pulling piece 54 with two ends respectively connected with the pneumatic part 53 and the clamping block 52, and the pneumatic part 53 comprises a detection cylinder 531 and a pneumatic switch 532 for controlling the detection cylinder 531; the pneumatic switch 532 is used for controlling the detection air cylinder 531 to move, the detection air cylinder 531 drives the poking plate 54 to move, the poking plate 54 drives the measuring rod of the dial indicator 51 to move through the clamping block 52, and the detection of the symmetry degree of the two side surfaces of the connecting rod is realized by reading the numerical value of the dial indicator 51.

The working principle of the present utility model will be described below with reference to fig. 1 to 5.

Firstly, when the symmetry degree of the end faces of the two sides of the connecting rod blank is detected, the calibration piece of the connecting rod is firstly placed on the workbench 1, the small end is placed in the V-shaped groove 21, and the large end is placed on the limiting block 32.

Second, pulling the pneumatic switch locks the vertical positioning mechanism 4, i.e. flattening the calibration piece through the pressing plate 43, pulling the pneumatic switch 532 of the two-side detecting mechanism 5, zeroing the dial indicator 51, and after calibrating the value of the calibration piece, loosening the detecting mechanism 5 and the second limiting mechanism 3, and taking down the calibration piece.

Thirdly, a connecting rod blank forge piece is arbitrarily taken, the forge piece is horizontally placed on the workbench 1, the small end is placed in the V-shaped groove 21, and the large end is horizontally placed on the limiting block 32.

Fourth, pulling pneumatic switch locks vertical positioning mechanism 4, flattens the demarcation piece through clamp plate 43 promptly, pulls the pneumatic switch 532 of both sides detection mechanism 5, makes amesdial 51 and connecting rod blank surface laminating, looks over amesdial 51 and detects the numerical value, calculates both sides symmetry, after detecting, unclamps detection mechanism 5 and second stop gear 3, takes off connecting rod blank forging.

The beat of symmetry degree of two side surfaces of the three-coordinate detection connecting rod is 2 pieces/20 minutes, the detection beat of the three-coordinate detection connecting rod is 2 pieces/1 minute, the detection time is shortened by the three-coordinate detection connecting rod, and the repeated detection accuracy is high.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a symmetry inspection frock is used to connecting rod forging blank, its characterized in that, includes the workstation, be equipped with on the workstation be used for the first stop gear of location connecting rod tip, be used for the second stop gear of location connecting rod tip, be used for flattening the vertical positioning mechanism of connecting rod tip, the bilateral symmetry of workstation is equipped with the detection mechanism who is used for detecting connecting rod both sides face symmetry, detection mechanism is including fixing the amesdial on the workstation, fixture block, pneumatic portion, both ends of being connected pneumatic portion and the plectrum of fixture block respectively with the measuring stick of amesdial.

2. The symmetry inspection tool for connecting rod forging blanks according to claim 1, wherein the first limiting mechanism is provided with a V-shaped groove.

3. The symmetry inspection tool for connecting rod forging blanks according to claim 1, wherein the second limiting mechanism comprises a limiting cylinder and a U-shaped limiting block connected with the limiting cylinder.

4. The symmetry inspection tool for connecting rod forging blanks according to claim 3, wherein the limiting cylinder is arranged below the workbench, and the limiting block penetrates through the workbench and can move up and down by means of the limiting cylinder.

5. The symmetry inspection tool for connecting rod forging blanks according to claim 1, wherein the vertical positioning mechanism comprises a supporting seat arranged on the workbench, a positioning cylinder arranged on the supporting seat and a pressing plate connected with the positioning cylinder.

6. The symmetry inspection tool for connecting rod forging blanks according to claim 5, wherein a semicircular opening is formed in the front end of the pressing plate.

7. The symmetry inspection tool for connecting rod forging blanks according to claim 1, wherein the pneumatic part comprises a detection cylinder and a pneumatic switch for controlling the detection cylinder.

8. The symmetry inspection tool for connecting rod forging blanks according to claim 1, wherein a bracket is arranged at a corner below the workbench.