CN217315988U

CN217315988U - Drilling tool

Info

Publication number: CN217315988U
Application number: CN202220803867.0U
Authority: CN
Inventors: 马会民; 陈汉杰; 郭好强; 吴佳帆
Original assignee: Henan Hongyuan Wheel Co Ltd
Current assignee: Henan Hongyuan Wheel Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-30
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a drilling tool, belonging to the technical field of spoke plate processing; the method comprises the following steps: the positioning column is provided with two positioning pins which are oppositely arranged on the upper end surface, and the positioning pins and the pressing screw holes are positioned on the same reference circle and are consistent with the reference circle of the screw holes of the bent plate; the supporting columns are symmetrically distributed on the outer sides of the positioning columns and are tightly attached to the positioning columns, and the bottom end faces of the radial bent plates are in contact with the top faces of the supporting columns; every two compression screw holes are symmetrical to two sides of the central line of two valve holes to be processed, the compression screw holes and the screw holes of the radial plate have the same graduation, and the compression screws penetrate through the screw holes in the radial plate and are screwed with the compression screw holes. The drilling tool is simple in structure and easy to manufacture, and the machining efficiency of the bent spoke plate is high due to the adoption of the numerical control drill.

Description

Drilling tool

Technical Field

The utility model relates to a radials processing technology field, in particular to drilling frock.

Background

The bending plate is used for a large-offset wheel and is positioned on the outer side of a wheel rim body, so that an air valve needs to penetrate through the bending plate, an air valve hole needs to be machined in the bending plate, the air valve hole is positioned at an arc, and part of the air valve hole needs to be machined to the side surface, so that a common machining method is milling machining, but the milling efficiency is low, and therefore the problem of waiting for solving is provided for providing the efficient drilling tool for the numerical control drill.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a problem that curved spoke plate machining efficiency is low is solved to drilling frock.

In order to solve the technical problem, the utility model provides a following technical scheme:

a drilling tool, comprising:

the positioning column is provided with two positioning pins which are arranged oppositely, two sides of the positioning column, which are positioned on the central line of two valve holes to be processed of the bent spoke plate, are provided with two symmetrical pressing screw holes, and the positioning pins and the pressing screw holes are positioned on the same reference circle and are consistent with the reference circle of the screw holes of the bent spoke plate;

the support column, symmetric distribution in the outside of reference column, hug closely in the reference column, the bottom end face of radials contacts with the top surface of support column.

Preferably, the drilling tool further comprises a bottom plate, and the positioning column and the supporting column are mounted on the bottom plate.

Preferably, the bottom plate and the positioning column are connected through screws.

Preferably, an inner hole is also formed in the bottom plate at a position corresponding to the inner hole of the positioning column.

Preferably, the compression screw hole and the screw hole of the bent plate have the same indexing, and the compression screw penetrates through the screw hole in the plate and is screwed with the compression screw hole.

Preferably, the drilling frock still includes the flat pad on the reference column, press close to the both ends position symmetry of support column and be equipped with four and compress tightly the screw, compression screw with be equipped with the flat pad between the reference column.

Preferably, symmetrical connecting grooves are arranged on two sides of the bottom plate.

Preferably, the inner hole of the positioning column is matched with the spigot of the upper end face of the bottom plate in size.

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

in the above scheme, drilling frock structure can adopt numerically-controlled drilling machine to carry out drilling processing to the valve hole, and drilling speed is high, and machining efficiency is high, the utility model discloses a drilling frock simple structure easily makes.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.

FIG. 1 is a front view of a web to be processed;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a top view of the drilling tool;

FIG. 4 is a sectional view A-A of FIG. 3;

fig. 5 is a cross-sectional view of a curved web processed by the drilling tool of the present invention;

fig. 6 is a plan view of the drilling tool for processing the radial plate bending plate according to the present invention.

[ reference numerals ]

1. A base plate; 2. a screw; 3. a positioning column; 4. a support pillar; 5. flattening the cushion; 6. a compression screw; 7. positioning pins; 11. a valve hole; 12. and a screw hole.

As shown, specific structures and devices are labeled in the drawings for the purpose of clearly realizing the structure of the embodiments of the present invention, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structures, devices and environments, and those skilled in the art can adjust or modify the devices and environments according to specific needs, and the adjustment or modification is still included in the scope of the appended claims.

Detailed Description

The following describes the drilling tool provided by the present invention in detail with reference to the accompanying drawings and specific embodiments. Meanwhile, it is described herein that the following embodiments are the best and preferred embodiments for the purpose of making the embodiments more detailed, and may be implemented in other alternative ways by those skilled in the art; also, the accompanying drawings are included to describe embodiments in greater detail and are not intended to limit the invention in any way.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

In general, terms may be understood at least in part from the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in the singular or may be used to describe a combination of features, structures, or characteristics in the plural, depending at least in part on the context. Additionally, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead allow for the presence of other factors not necessarily explicitly described, depending at least in part on the context.

As used herein, the term "nominal" refers to a desired or target value, and a range of values above and/or below the desired value, of a characteristic or parameter set during a design phase of a production or manufacturing process for a component or process operation. The range of values may be due to slight variations in manufacturing processes or tolerances. As used herein, the term "about" indicates a value of a given amount that may vary based on the particular technology node associated with the subject semiconductor device. The term "about" may indicate a given amount of a value that varies, for example, within 5% -15% of the value (e.g., ± 5%, ± 10% or ± 15% of the value), based on the particular technology node.

It will be understood that the meaning of "on … …", "above … …" and "above … …" in this disclosure should be read in the broadest manner such that "on … …" means not only "directly on" but also including the meaning of "on" something with intervening features or layers therebetween, and "on … …" or "above … …" means not only "on" or "above" something, but may also include the meaning of "on" or "above" something with no intervening features or layers therebetween.

Furthermore, spatially relative terms such as "below …," "below …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature or features, as illustrated in the figures. Spatially relative terms are intended to encompass different orientations in use or operation of the device in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein interpreted accordingly.

As shown in figures 1 and 2, the arc of the bent web to be processed is provided with a valve hole 11, and the other end is provided with a screw hole 12.

As shown in fig. 3 and 4, the embodiment of the utility model provides a drilling frock, including

bottom plate

1, 1 both sides of bottom plate are equipped with the symmetric connection groove, be connected with reference column 3 through screw 2 on the bottom plate 1, and bottom plate 1 and reference column 3 center all are equipped with the hole, reference column 3's hole and bottom plate 1's up end tang size looks adaptation, reference column 3's up end tang size and curved spoke plate centre bore adaptation.

As shown in fig. 3 and 4, the bottom plate 1 is provided with support columns 4, the support columns 4 are symmetrically distributed on the outer sides of the positioning columns 3 and are tightly attached to the positioning columns 3, the bottom end surfaces of the radial bent plates are in contact with the top surfaces of the support columns 4, four compression screw holes are symmetrically arranged on the positioning columns 3 close to the two ends of the support columns 4, a flat pad is arranged between each compression screw 6 and each positioning column 3, and every two compression screw holes on each positioning column 3 are symmetrical to two sides of the center line of two valve holes 11 to be processed; the compression screw hole and the screw hole 12 of the bent plate have the same graduation, and the compression screw 6 penetrates through the screw hole 12 on the bent plate and is screwed with the compression screw hole.

The upper end face of the positioning column 3 is provided with 2 positioning pins 7 which are arranged oppositely, and the positioning pins 7 and the pressing screw holes are positioned on the same reference circle and are consistent with the reference circle of the screw holes 12 of the bent plate.

The utility model discloses the working process is as follows:

as shown in fig. 5 and 6, in the process of processing the bent plate, the central hole and the screw hole 12 of the bent plate are processed, and then the valve hole 11 is processed by using the drilling tool of the embodiment. The machined screw hole 12 is used for positioning and clamping, a central hole of the bent plate is sleeved at a seam allowance of a drilling tool before machining, a radial plane is attached to the positioning column 3 tightly, the end face of the bent plate is in contact with the supporting column 4, the positioning pin 7 is installed, 4 compression screws 6 are screwed tightly, clamping is stable and firm, the valve hole 11 is drilled and machined by a numerical control drilling machine, drilling speed is high, and machining efficiency is high. The drilling tool is simple in structure, easy to manufacture and high in machining efficiency due to the adoption of the numerical control drill.

The present invention covers any alternatives, modifications, equivalents, and alternatives falling within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail as not to unnecessarily obscure aspects of the present invention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a drilling frock which characterized in that includes:

2. The drilling tool of claim 1, further comprising a base plate, wherein the positioning post and the support post are mounted on the base plate.

3. The drilling tool as claimed in claim 2, wherein the bottom plate and the positioning column are connected through screws.

4. The drilling tool as claimed in claim 2, wherein an inner hole is also formed in the bottom plate at a position corresponding to the inner hole of the positioning column.

5. The drilling tool as claimed in claim 1, wherein the compression screw hole is indexed in accordance with the screw hole of the bent plate, and the compression screw passes through the screw hole in the bent plate and is screwed with the compression screw hole.

6. The drilling tool according to claim 1, further comprising a flat pad, wherein four compression screw holes are symmetrically formed in the positioning column and close to two ends of the supporting column, and the flat pad is arranged between the compression screw and the positioning column.

7. The drilling tool according to claim 2, wherein symmetrical connecting grooves are formed in two sides of the bottom plate.

8. The drilling tool as claimed in claim 2, wherein the inner hole of the positioning column is matched with the spigot of the upper end face of the bottom plate in size.