CN212340148U

CN212340148U - Utensil is assisted with examining to casing straightness that hangs down

Info

Publication number: CN212340148U
Application number: CN202021222842.9U
Authority: CN
Inventors: 李洛锋; 张志睿; 霍睿; 姜利
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-01-12
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a casing straightness is with examining assistive device, including the body, the body both ends of body set up first locating pin and second locating pin respectively, the line between first locating pin and the second locating pin be parallel to each other with the body, and with the axial of body perpendicular, the detachable dabber that wears to establish of body upper end, the dabber be parallel to the body axial, dabber tip perpendicularly connect the pick-up plate, the pick-up plate with the axial of body perpendicular; the first positioning pin and the second positioning pin are respectively a reference A and a reference B, the bottom surface of the body is a reference C, the reference A, the reference B and the reference C are consistent with the reference of the shell to be detected, and the detection plate is used for measuring the perpendicularity of two end faces of the shell to be detected relative to the reference C. The utility model discloses a casing straightness that hangs down is used for examining and is assisted the utensil and be used for measuring two terminal surfaces for the straightness that hangs down of benchmark, has reduced the detection number of times of three-dimensional, promotes the effective utilization ratio of high accuracy equipment.

Description

Utensil is assisted with examining to casing straightness that hangs down

Technical Field

The disclosure relates to the field of engineering machinery, in particular to a shell perpendicularity detection auxiliary tool.

Background

In order to improve the uniformity of the finish milling allowance of the end face of the 12-grade shell, the requirement on the rough milling allowance of the end face is strict in the process, the process detection of parts is easy to lose control due to the conditions of large production batch and the like, and the adverse conditions of unstable size, large cutter consumption, unstable equipment operation and the like in subsequent processing occur. The 12-gear shell double-end-face rough milling of the company requires that two end faces have verticality requirements relative to an upper opening face and two process pin holes on the face. The original measuring means is three-coordinate detection, the measuring time is long, 2 pieces are measured in each shift, the control ratio is 2.5 percent, the monitoring difficulty of the processing process is high, and the quality is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a casing straightness is with examining assistive device solves current straightness is with examining assistive device's measuring time long, the technical problem of inefficiency.

In order to achieve the above object, the utility model discloses a following technical scheme:

a shell verticality detection auxiliary tool comprises a body, wherein a first positioning pin and a second positioning pin are respectively arranged at two ends of the body, the first positioning pin and the second positioning pin are parallel to each other, namely a connecting line between the first positioning pin and the second positioning pin is parallel to an installation hole in the body and is vertical to the axial direction of the body, a mandrel is detachably arranged at the upper end of the body in a penetrating mode, the mandrel is parallel to the axial direction of the body, the end part of the mandrel is vertically connected with a detection plate, and the detection plate is vertical to the axial direction of the body; and is vertical to the connecting line between the first positioning pin and the second positioning pin;

the detection plate is used for measuring the perpendicularity of two end faces of the shell to be detected respectively taking the reference A and the reference B as references relative to the reference C and the perpendicularity relative to a connecting line of the first positioning pin and the second positioning pin.

Specifically, the first positioning pin and the second positioning pin are respectively a reference point A and a reference point B, and the bottom surface of the body is a reference surface C.

Further, the body upper end set up the installation department, the installation department set up the locating hole, the dabber can pass the parallel arrangement that locating hole and body are contactless.

Furthermore, the first positioning pin is a round pin, and the round pin is connected with the body by using a first nut and a first washer.

Furthermore, the second positioning pin is a diamond pin, a convex plate used for fixing the diamond pin is arranged on the body, and the diamond pin is connected with the convex plate by using a second nut and a second washer.

Specifically, the first nut and the second nut are both hexagon nuts, and the first washer and the second washer are both spring washers.

Specifically, the detection plate is connected with the mandrel by using a bolt and a gasket.

More specifically, the bolt is a hexagon socket head cap screw, and the gasket is a spring gasket.

Optionally, the number of the positioning holes is 2.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses a casing straightness that hangs down passes through analysis technology requirement with examining the assistive device, confirms to establish the design basis of examining the utensil with above orofacial features and two technology pinholes, keeps unanimous with the technology basis. The rotary sensing arm is designed for measuring the perpendicularity of the two end faces relative to a reference. The detection frequency of the detection tool is improved to 20% from 2.5% before, the quality control of the machining process is improved, and the outflow of defective products is controlled. The detection times of three coordinates are reduced, and the effective utilization rate of high-precision equipment is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a top view of an auxiliary inspection tool for perpendicularity of a housing;

FIG. 2 is a sectional view of the plane A-A of the auxiliary inspection tool for perpendicularity of the housing;

FIG. 3 is a schematic view of another embodiment of an auxiliary inspection tool for perpendicularity of a housing;

FIG. 4 is a schematic view of the housing member;

the reference numerals in the figures denote:

1. a body; 2. a mandrel; 3. a first positioning pin; 31. a first nut; 32. a first gasket; 4. a second positioning pin; 41. a second nut; 42. a second gasket; 5. detecting a plate; 51. a gasket; 52. and (4) bolts.

Detailed Description

It should be noted that, when describing the present invention in terms of orientation, the terms "upper end", "lower end", "top", "bottom", and the like, indicate an orientation or positional relationship only for the 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. If the particular gesture changes, the directional indication changes accordingly. In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or 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.

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present invention, a represents the axis of the mandrel 2; A-B represents a connecting line between the first positioning pin 3 and the second positioning pin 4 on the body 1; a// A-B indicates that the axis of the mandrel 2 is parallel to the line between the first and

second alignment pins

3, 4.

b represents the side plane of the detection plate 5 close to the body 1; a ∑ a-B denotes that a side plane of the detection plate 5 near the body 1 is perpendicular to a line connecting the first positioning pin 3 and the second positioning pin 4.

M in fig. 4 represents the perpendicularity of the side plane b of the detection plate near the body 1 with respect to the reference plane C; n represents the perpendicularity of the side plane b of the detection plate close to the body 1 with respect to the connecting line between the first positioning pin 3 and the second positioning pin 4; the verticality m and n are optional and less than 0.05.

With reference to the accompanying drawings, the embodiment discloses a detection auxiliary tool for casing perpendicularity, which comprises a body 1, wherein a first positioning pin 3 and a second positioning pin 4 are respectively arranged at two ends of the body 1, the first positioning pin 3 and the second positioning pin 4 are parallel to each other, namely, a connecting line between the first positioning pin 3 and the second positioning pin 4 is parallel to a mounting hole in the body 1 and is vertical to the axial direction of the body 1, a mandrel 2 is detachably arranged at the upper end of the body 1 in a penetrating manner, the mandrel 2 is parallel to the axial direction of the body 1, the end part of the mandrel 2 is vertically connected with a detection plate 5, the detection plate 5 is vertical to the axial direction of the body 1 and is vertical to a connecting line between the first positioning pin 3 and;

wherein, the dabber 2 is worn to establish by detachable, dabber 2 alright like this with pick-up plate 5 on the body 1 the equipment of change direction.

The first positioning pin 3 and the second positioning pin 4 are respectively a datum point A and a datum point B, the bottom surface of the body 1 is a datum plane C, the datum point A, the datum point B and the datum plane C are consistent with the datum of the shell to be detected, and the detection plate 5 is used for measuring the perpendicularity of two end faces of the shell to be detected respectively taking the datum point A and the datum point B as datum points relative to the datum plane C and the perpendicularity relative to a connecting line of the first positioning pin 3 and the second positioning pin 4.

The utility model discloses a straightness that hangs down of 2 terminal surfaces of waiting to detect casing can be detected to pick-up plate 5.

Further, the installation department is set up to body 1 upper end, and the installation department sets up the locating hole, and dabber 2 can pass the locating hole and the body 1 contactless parallel arrangement, and the locating hole is fixed dabber 2 location. The number of the positioning holes is 2. The mandrel 2 and the body 1 are mutually matched, and the diameter of the positioning hole

The adaptation is adjusted according to the diameter of the mandrel 2.

As a preferable aspect of the present embodiment, the first positioning pin 3 is a round pin, and the round pin is connected to the body 1 using the first nut 31 and the first washer 32.

The second positioning pin 4 is a diamond pin, a convex plate for fixing the diamond pin is arranged on the body 1, and the diamond pin is connected with the convex plate by using a second nut 41 and a second washer 42. Wherein the diameters of the first positioning pin 3 and the second positioning pin 4

And

the adaptation can be adjusted according to actual casing part.

Optionally, the first nut 31 and the second nut 41 are both hexagonal nuts, and the first washer 32 and the second washer 42 are both spring washers.

In this embodiment, the detection plate 5 is connected to the mandrel 2 using bolts and spacers 51. Wherein the bolt is a hexagon socket head cap screw, and the gasket 51 is a spring gasket.

To sum up, combine the drawing, the utility model discloses a casing straightness that hangs down is with examining the working process of assisting the utensil and is:

the body 1 is arranged on a shell to be detected, and a reference surface C of the detection tool body 1 is combined with the reference surface C of the shell to be detected; the first locating pin 3 is arranged in the hole A of the shell to be detected; the second positioning pin 4 is fitted into the hole B of the casing to be inspected.

(1) Detecting the verticality of the Q-plane of the casing to be detected (installation direction as shown in figure 2)

The mandrel 2 is inserted into 2 positioning holes of the checking fixture body 1, the mandrel 2 and the detection plate 5 are connected and fixed to form a detection part, the detection plate 5 is freely placed on the Q surface of the shell to be detected, a clearance between the detection plate 5 and the Q surface of the shell to be detected is measured by using a feeler gauge, and the perpendicularity of the surface relative to the C surface and the axis formed by the two pin holes can be measured.

(2) Detecting verticality of G surface of casing to be detected (installation direction shown in figure 3)

And (3) extracting the mandrel 2 from the positioning hole of the body 1, and turning the head to be inserted into the two positioning holes of the checking fixture body again. The detection plate 5 is freely placed on the G surface of the shell to be detected, and the clearance between the detection plate 5 and the Q surface of the shell to be detected is measured by using the feeler gauge, so that the verticality of the surface relative to the C surface can be quickly measured.

The utility model discloses a casing straightness that hangs down is with examining the detection frequency of assisting the utensil by 2.5% before, improves to present 20%, has promoted the quality control of course of working, has controlled the outflow of defective products. The detection times of three coordinates are reduced, and the effective utilization rate of high-precision equipment is improved.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The auxiliary detection tool for the shell verticality is characterized by comprising a body (1), wherein a first positioning pin (3) and a second positioning pin (4) are arranged at two ends of the body (1) respectively, the first positioning pin (3) and the second positioning pin (4) are parallel to each other and are perpendicular to the axial direction of the body (1), a mandrel (2) is detachably arranged at the upper end of the body (1) in a penetrating mode, the mandrel (2) is parallel to the axial direction of the body (1), the end part of the mandrel (2) is perpendicularly connected with a detection plate (5), the detection plate (5) is perpendicular to the axial direction of the body (1) and perpendicular to a connecting line between the first positioning pin (3) and the second positioning pin (4);

the detection plate (5) is used for measuring the perpendicularity of two end faces of the shell to be detected respectively taking the reference A and the reference B as references relative to the reference C and the perpendicularity relative to a connecting line of the first positioning pin (3) and the second positioning pin (4).

2. The auxiliary tool for detecting the verticality of the shell according to claim 1, wherein an installation part is arranged at the upper end of the body (1), the installation part is provided with a positioning hole, and the mandrel (2) can pass through the positioning hole and be arranged in parallel without contacting with the body (1).

3. The auxiliary tool for detecting the verticality of the shell according to claim 1, wherein the first locating pin (3) is a round pin, and the round pin is connected with the body (1) by using a first nut (31) and a first washer (32).

4. The auxiliary tool for detecting the verticality of the shell according to claim 3, wherein the second positioning pin (4) is a diamond pin, a convex plate for fixing the diamond pin is arranged on the body (1), and the diamond pin is connected with the convex plate by using a second nut (41) and a second washer (42).

5. The auxiliary tool for detecting the verticality of the shell according to claim 4, wherein the first nut (31) and the second nut (41) are both hexagonal nuts, and the first washer (32) and the second washer (42) are both spring washers.

6. The auxiliary tool for detecting the verticality of a shell according to claim 1, wherein the detecting plate (5) is connected with the mandrel (2) by using a bolt (52) and a gasket (51).

7. The auxiliary tool for detecting the verticality of the shell according to claim 6, wherein the bolt (52) is a hexagon socket head cap screw, and the gasket (51) is a spring gasket.

8. The auxiliary tool for detecting the verticality of the shell according to claim 2, wherein the number of the positioning holes is 2.