CN212058601U

CN212058601U - Detection tool for rapidly detecting external contour between two holes of gearbox shell

Info

Publication number: CN212058601U
Application number: CN202021222294.XU
Authority: CN
Inventors: 谢建; 陈延雷; 郝晓丹
Original assignee: Guangdong Hongtu Wuhan Die Casting Co ltd
Current assignee: Guangdong Hongtu Wuhan Die Casting Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-12-01
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a detect instrument of outside profile between two holes of gearbox housing fast belongs to foundry goods detection technology field, it is massive structure's bottom plate through setting up, set up mounting plane and wedge face on the bottom plate, and correspond the work piece on the design position correspondence of processing hole, arc groove and set up locating pin and template rule, utilize template rule to detect the setting of correspondence of face and arc inslot internal face, make the machining precision of two locating pins but short-term test two processing holes, and the template rule can accurately detect the machining precision of arc groove on the work piece. The utility model discloses a detect instrument of outside profile between two holes of short-term test gearbox housing, its simple structure, it is convenient to assemble, and machining precision and the machining precision of arc groove of two machining holes on can the short-term test gearbox housing have promoted efficiency and precision that gearbox housing detected, have guaranteed the qualification rate after the work piece processing, provide the guarantee for follow-up course of working, have better application prospect and spreading value.

Description

Detection tool for rapidly detecting external contour between two holes of gearbox shell

Technical Field

The utility model belongs to the technical field of the foundry goods detects, concretely relates to detect instrument of outside profile between two holes of quick detection gearbox housing.

Background

The gearbox is an important part in the automobile and plays an important role in the operation of the automobile. The manufacturing process of the transmission housing is an important process for assembling the automobile transmission.

At present, the gearbox shell is mostly processed in a casting mode, the external contour dimension of the shell must meet the requirements of a drawing process in the process of manufacturing or processing a workpiece, and otherwise, the assembly of the gearbox possibly has problems. In view of this, in the process of processing the gearbox housing, the outer contour of the gearbox housing needs to be subjected to sampling inspection or batch detection, so that the outer contour size of the gearbox housing is ensured to meet the design requirement.

In the prior art, the detection of the outer contour of the gearbox housing is usually carried out by adopting a three-coordinate measuring machine or a profile tolerance instrument, although the detection device can meet the requirement of the outer contour detection of the gearbox housing to a certain extent, the detection form has high detection cost and low detection efficiency, continuous and quick detection is difficult to carry out on a production field, and batch outer contour detection of large-batch gearbox housings cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve in the demand one or more, the utility model provides a short-term test gearbox housing two holes outside profile's detection instrument between, can effectively realize that two holes of gearbox housing set up the short-term test of precision and two holes outline, realize the short-term test of gearbox housing outline, promote the detection efficiency of gearbox housing.

In order to achieve the above object, the utility model provides a detection tool for rapidly detecting the external contour between two holes of a gearbox shell, which comprises a bottom plate;

the bottom plate is of a block structure, one side end face of the bottom plate is a mounting plane, and two positioning pins, namely a first positioning pin and a second positioning pin, are arranged on the mounting plane at intervals; the axes of the two positioning pins are respectively vertical to the mounting plane and can be respectively embedded into two processing holes precisely processed by the workpiece when the mounting plane is tightly attached to the end surface of the workpiece;

a wedge-shaped surface is arranged on one side of the mounting plane, a certain acute angle is formed between the wedge-shaped surface and the mounting plane, a groove with a certain depth is formed in the middle of the wedge-shaped surface along the width direction, and a template gauge is accommodated in the groove; the end face of the sample plate gauge, which is right opposite to the bottom face of the groove, is a detection face, and the sample plate gauge can reciprocate in the groove along the width direction of the wedge-shaped face, so that the detection face can be attached to the wall face of the arc groove accurately machined by the workpiece after the two positioning pins are respectively matched with the corresponding machining holes.

As a further improvement of the utility model, an anti-falling stop block is arranged corresponding to the sample gauge;

two ends of the anti-falling stop block are respectively fixed on the wedge-shaped surfaces at two sides of the groove, and long waist-shaped holes penetrating through two end surfaces of the anti-falling stop block are formed in the position, facing the sample plate gauge, of the middle of the anti-falling stop block along the width direction of the wedge-shaped surfaces;

a limit screw is arranged in the long waist-shaped hole, one end of the limit screw is connected to the end face, deviating from the detection face, of the sample plate gauge, and the other end of the limit screw is limited on the end face of the anti-falling stop block.

As a further improvement of the utility model, the long waist-shaped holes are arranged at intervals.

As a further improvement of the utility model, the two ends of the anti-falling stop block are respectively connected with a plurality of connecting screws on the wedge-shaped surface.

As a further improvement of the present invention, a plurality of mounting holes are provided on the mounting plane at intervals, and the positioning pin can be mounted in the corresponding mounting hole.

As a further improvement of the utility model, the depth of the groove is greater than the thickness of the template gauge; the anti-falling stop block is opposite to a boss arranged on the end face of the sample plate gauge, the long waist-shaped hole penetrates through the boss, and the boss is correspondingly embedded into the top of the groove.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

(1) the utility model discloses a detect instrument of external profile between two holes of gearbox housing, it sets up mounting plane and wedge face on the bottom plate through setting up the bottom plate that is massive structure to the design position correspondence that corresponds processing hole, arc groove on the work piece sets up locating pin and template gauge, utilizes the template gauge to detect the corresponding setting of face and arc inslot internal wall, makes two locating pins can detect the machining precision of two processing holes fast, and the template gauge can accurately detect the machining precision of arc groove on the work piece, has simplified the detection process of gearbox housing outline with this to reduce the cost of detecting, has improved the efficiency of detection;

(2) the utility model discloses a detect instrument of outside profile between two holes of short-term test gearbox housing, its simple structure, it is convenient to assemble, and machining precision and the machining precision of arc groove of two machining holes on can the short-term test gearbox housing have promoted efficiency and precision that gearbox housing detected, have guaranteed the qualification rate after the work piece processing, provide the guarantee for follow-up course of working, have better application prospect and spreading value.

Drawings

Fig. 1 is a schematic view of an overall structure of an external contour detection tool according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a workpiece to be detected in an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a workpiece when the inspection tool is matched with the workpiece according to an embodiment of the present invention;

FIG. 4 is a schematic longitudinal sectional view of a workpiece when the inspection tool is matched with the workpiece according to an embodiment of the present invention;

in all the figures, the same reference numerals denote the same features, in particular: 1. the positioning device comprises a first positioning pin, 2, a second positioning pin, 3, a template gauge, 4, an anti-falling stop block and 401, a long waist-shaped hole; 5. the machining process comprises the following steps of limiting screws, 6 connecting screws, 7 bottom plates, 8 workpieces, 801 first machining holes, 802 second machining holes and 803 arc grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

the utility model discloses outline detection instrument in the preferred embodiment is used for detecting work piece 8 as shown in fig. 2 ~ 4, and this work piece 8 is the transmission casing when actually examining, has seted up first processing hole 801 and second processing hole 802 on this transmission casing, and the work piece between two processing holes inclines to be provided with arc groove 803 on week, and the profile face of this arc groove 803 is anomalous arcwall face, and this arc groove 803 is certain inclination setting with the terminal surface of work piece 8, the so-called radial plane that the work piece terminal surface is on a parallel with two processing holes.

The inspection tool in the preferred embodiment is provided corresponding to the workpiece 8, and is mainly used for inspecting the accuracy of opening the two machining holes and the accuracy of machining the outer contour of the arc groove 803. Specifically, the detection tool for rapidly detecting the external profile between two holes of the gearbox housing in the preferred embodiment is as shown in fig. 1 to 4, and includes a bottom plate 7 in a block structure, one side of the bottom plate 7 has two end faces parallel to each other, and the other side of the bottom plate is arranged in a wedge structure, and has a wedge-shaped surface which forms a certain inclination angle (generally an acute angle) with the parallel end faces, a groove with a certain depth is formed in the middle of the wedge-shaped surface along the width direction, and the bottom surface of the groove is parallel to the wedge-shaped surface, that is, a certain inclination angle is formed between the bottom surface of the groove and the two parallel end faces.

Further, two positioning pins, i.e., a first positioning pin 1 and a second positioning pin 2, are provided at an interval on the parallel end surface of the bottom plate 7, and are provided in the form shown in fig. 1, with the axes of the positioning pins perpendicular to the parallel end surface. In the preferred embodiment, the spacing between the two locating pins is fixed, just corresponding to the distance between the two machined holes in the workpiece 8. Meanwhile, the shapes of the two positioning pins correspond to the shapes of the two processing holes respectively, and the sizes of the two positioning pins are not larger than the sizes of the two processing holes, so that the bottom plate 7 can be attached to the end face of the workpiece 8 in a parallel mode, and the two positioning pins are inserted into the corresponding processing holes respectively and coaxially. Preferably, in another preferred embodiment, the setting distance of the two positioning pins can be adjusted according to actual conditions, that is, a plurality of positioning pin mounting holes are correspondingly formed on the parallel end surfaces of the bottom plate 7, so as to correspond to the pair of machining holes with different setting intervals. Of course, the sliding structures may also be arranged in pairs on the parallel end surfaces of the bottom plate 7, the positioning pins are installed on the corresponding sliding structures, and the distance between the two positioning pins can be adjusted through the sliding of the sliding structures, which can be optimized according to actual needs.

Further, be provided with the template gauge 3 that is massive structure in the recess of wedge-shaped face, a side end face of this template gauge 3 is the detection face, this detection face be with arc groove 803 assorted cambered surface for template gauge 3 can its detection face accurate laminating match work piece 8's arc groove 803 (the prerequisite is that work piece 8's arc groove 803 processing is accurate). Simultaneously, the detection face of template rule 3 sets up with the bottom surface of wedge face recess is relative, and has seted up at least one mounting hole in one side that this template rule 3 deviates from the detection face to it is provided with stop screw 5 to correspond the mounting hole. Preferably, the depth of recess is greater than the thickness of template rule 3, and prevents falling dog 4 and be provided with the boss on just facing the terminal surface of template rule 3, then long waist shape hole runs through this boss, and the top of recess is embedded in to this boss correspondence.

Correspondingly, the fixing and limiting corresponding to the sample plate gauge 3 are also provided with a falling-preventing stop block 4 for preventing the sample plate gauge 3 from falling. The anti-falling stop block 4 is of a block structure, and two ends of the anti-falling stop block are respectively connected to the wedge-shaped surface of the bottom plate 7 through a plurality of connecting screws 6. Meanwhile, long waist-shaped holes 401 penetrating through two end faces are respectively formed in the anti-falling block 4 corresponding to the installation holes in the template gauge 3, the length direction of the long waist-shaped holes 401 is perpendicular to the length direction of the anti-falling block 4, namely, the long waist-shaped holes 401 are arranged along the width direction of the anti-falling block 4 and are orthogonal to a central connecting line between the two positioning pins in space (the orthogonal in space refers to the orthogonal of the projection of one line on the plane where the other line is located). On this basis, the limit screw 5 passes through the long kidney-shaped hole 401 with its connecting end and is connected in the corresponding mounting hole, and the other end of the limit screw 5 is stopped on the end face of the anti-drop stopper 4 (i.e., the end cap of the limit screw 5 is stopped on the end face of the anti-drop stopper 4), as shown in fig. 1.

In the structure shown in fig. 1, the long kidney-shaped holes 401 formed in the anti-falling stopper 4 are two holes arranged at intervals, and obviously, the number of the long kidney-shaped holes 401 is not limited to the two holes, and may be a plurality of holes as needed, and accordingly, the number of the limit screws 5 is also a plurality of holes. Through the arrangement, each limit screw 5 can slide in the corresponding long kidney-shaped hole 401 in a reciprocating mode, and accordingly the sample plate gauge 3 is driven to slide in the groove in a reciprocating mode.

Through the arrangement, the corresponding assembly of the detection tool can be realized. The form of the mating of the inspection tool with the workpiece 8 is shown in figures 3 and 4. Specifically, after the workpiece 8 completes the machining of the first machined hole 801, the second machined hole 802 and the arc groove 803, the detection process is as follows:

(1) the two positioning pins of the assembled detection tool are respectively inserted into the two processing holes, and if the two positioning pins can be accurately inserted, the processing positions of the two processing holes are accurate; if the two positioning pins cannot be accurately inserted, the machining positions of the two machining holes are not accurate. The machining precision of the two machining holes of the workpiece 8 can be judged by calibrating the detection tool, and the judgment process can be carried out before the arc groove 803 is machined. Therefore, if the machining position of the machining hole is not accurate, the arc groove machining of one link does not need to be carried out.

(2) After the base plate 7 is disposed on the workpiece 8 and the two positioning pins are respectively fitted into the machining holes, the template gauge 3 is aligned with the end of the arc groove 803. And further controlling the sample plate gauge 3 to slide in the groove along the width direction of the wedge-shaped surface, so that the sample plate gauge 3 is matched and embedded in the arc groove 803, and the detection surface is opposite to the inner peripheral wall surface of the arc groove 803. If the machining of the arc groove 803 is accurate, the detection surface is attached to the inner peripheral wall surface of the arc groove 803 at this time; if the arc groove 803 is not accurately machined, the detection surface and the inner peripheral wall surface of the arc groove 803 cannot be accurately attached, and a certain gap or a gap is formed between the two.

The utility model provides a short-term test gearbox housing two hole external contour's detection instrument, a structure is simple, it is convenient to assemble, bottom plate that has locating pin and template rule through processing hole and arc groove setting on corresponding gearbox housing, utilize the floor structure, two processing hole positions, and the corresponding setting of template rule structure, make the machining precision of two processing holes and the machining precision of arc groove on the detection instrument can the short-term test gearbox housing, the efficiency and the precision that the work piece detected have been promoted, the qualification rate after the work piece processing has been guaranteed, guarantee for follow-up course of working, better application prospect and spreading value have.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A detection tool for rapidly detecting the external contour between two holes of a gearbox shell is characterized by comprising a bottom plate;

2. The tool for rapidly detecting the external contour between two holes of a gearbox shell according to claim 1, wherein an anti-falling stop block is arranged corresponding to the template gauge;

3. The tool for rapidly detecting the external contour between two holes of a gearbox shell according to claim 2, wherein the long kidney-shaped holes are arranged in a plurality at intervals.

4. The tool for rapidly detecting the external contour between two holes of a gearbox shell as claimed in claim 2, wherein two ends of said anti-falling stop block are respectively connected to said wedge-shaped surface by a plurality of connecting screws.

5. The tool for rapidly detecting the external contour between two holes of a gearbox shell according to any one of claims 1 to 4, wherein a plurality of mounting holes are arranged on the mounting plane at intervals, and the positioning pins can be mounted in the corresponding mounting holes.

6. The detection tool for rapidly detecting the external profile between two holes of the gearbox shell according to any one of claims 2 to 4, wherein the depth of the groove is greater than the thickness of the template gauge; the anti-falling stop block is opposite to a boss arranged on the end face of the sample plate gauge, the long waist-shaped hole penetrates through the boss, and the boss is correspondingly embedded into the top of the groove.