CN216176871U

CN216176871U - Drilling mould

Info

Publication number: CN216176871U
Application number: CN202122235135.4U
Authority: CN
Inventors: 李鲁洲
Original assignee: Laizhou Dongsheng Valve Co ltd
Current assignee: Laizhou Dongsheng Valve Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-05
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a drilling mould which comprises a central disc, a rotating disc, a chassis, a connecting base and a positioning and locking device, wherein the connecting base is of a square structure, a cylindrical chassis is arranged on the connecting base, the connecting base is fixedly connected with the chassis through an inner hexagonal screw, a ball thrust bearing is arranged in the chassis, the cylindrical rotating disc is arranged above the ball thrust bearing, the central disc is arranged above the rotating disc, and the positioning and locking device is arranged on two sides of the connecting base. The utility model has the advantages of reasonable total, high precision, simple operation, and improved work efficiency and product quality.

Description

Drilling mould

Technical Field

The utility model belongs to the technical field of part processing equipment, and particularly relates to a drilling mould.

Background

Drilling is one of the most common machining modes in machining, wherein index drilling is the most common machining mode in flange machining. The traditional process is adopted for machining in the past, a bench worker needs to mark lines and dotting or position on a four-axis machine tool and drill holes, a large amount of working time is wasted in machining batch workpieces, the efficiency is low, the machining precision and the product quality are affected, the rejection rate is high, the machining needs to be carried out again frequently, the working efficiency is low, manpower and material resources are wasted, and therefore the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defects, the utility model provides a mould for indexing and drilling a flange.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a drilling mould, includes center disk, rotary disk, chassis, connection base and location locking device, it is square structure to connect the base, is equipped with the columniform chassis on the connection base, connects the base and passes through hexagon socket head cap screw fixed connection chassis, joins in marriage in the chassis and has put ball thrust bearing, and ball thrust bearing's top is columniform rotary disk, and the rotary disk top is equipped with the center disk, the both sides of connecting the base still are equipped with location locking device.

Preferably, the positioning locking device comprises a positioning pin sleeve, a positioning pin, a spring and a handle, the positioning pin sleeve is fixed on two sides of the connecting base through hexagon socket head cap screws, the spring is arranged in the positioning pin sleeve, the positioning pin is sleeved in the spring, one end of the positioning pin penetrates through the positioning pin sleeve, and the other end of the positioning pin is fixedly connected with the handle.

Preferably, the rotating disc and the chassis have the same diameter.

Preferably, the central disc and the rotating disc are used for placing parts and fixedly connected through socket head cap screws, and the rotating centers of the central disc and the rotating disc coincide with the reference circle center of the part.

Preferably, a nut is further arranged on the locating pin and is in threaded connection with the locating pin sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the rotary disc and the positioning and locking device can effectively solve the problem about reference circle drilling, and play a vital role in reducing processes and improving efficiency.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an overall view of a drilling fixture of the present invention;

FIG. 2 is a cross-sectional view of a drilling fixture of the present invention;

FIG. 3 is an exploded view of a drilling fixture according to the present invention;

in the figure: 1. the device comprises a central disc, 2, a rotating disc, 3, a ball thrust bearing, 4, a chassis, 5, a connecting base, 6, a positioning pin sleeve, 7, a positioning pin, 8, an inner hexagon screw, 9, a spring, 10, a nut, 11, a handle, 12 and a positioning locking device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms such as "above … …", "above … …", "above … …", "bottom", and the like, may be used herein for ease of description to describe the spatial relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-3, a drilling mold comprises a central disc 1, a rotary disc 2, a chassis 4, a connecting base 5 and a positioning and locking device 12, wherein the connecting base 5 is of a square structure, the connecting base 5 is provided with the cylindrical chassis 4, the connecting base 5 is fixedly connected with the chassis 4 through an inner hexagonal screw 8 and is connected to a rocker drill, a ball thrust bearing 3 is arranged in the chassis 4, the cylindrical rotary disc 2 is arranged above the ball thrust bearing 3, the central disc 1 is arranged above the rotary disc 2, the positioning and locking device 12 is further arranged on two sides of the connecting base 5, the positioning and locking device 12 comprises a positioning pin sleeve 6, a positioning pin 7, a spring 9 and a handle 11, the positioning pin sleeve 6 is fixed on two sides of the connecting base 5 through the inner hexagonal screw 8, the spring 9 is arranged in the positioning pin sleeve 6, the positioning pin sleeve 6 is connected in the spring 9, and one end of the positioning pin 7 penetrates through the positioning pin sleeve 6, and the other end of the positioning pin 7 is fixedly connected with a handle 11.

Specifically, the positioning pin 7 is further provided with a nut 10, and the nut 10 is in threaded connection with the positioning pin sleeve 6.

Further, the rotating disc 2 and the chassis 4 have the same diameter.

Furthermore, a part is placed between the central disc 1 and the rotating disc 2, the central disc 1 and the rotating disc 2 are fixedly connected through a socket head cap screw 8, and the rotating centers of the central disc 1 and the rotating disc 2 coincide with the reference circle center of the part.

The working principle is as follows: the central disc 1 is used for positioning the center of a part and ensuring that the reference circle center of the part is superposed with the rotation center of the tool; the method comprises the steps of firstly selecting a central disc 1 according to an inner hole of a part, installing the central disc on a rotating disc 2, then installing the part to be processed on a tool, clamping and fixing the part, beginning to drill a first hole, completing drilling, pulling out a positioning pin 7 through a handle 11, rotating the workpiece through the positioning pin 7, fixing the workpiece on the rotating disc 2, driving the rotating disc 2 to rotate, loosening the positioning pin 7 after rotating for a certain angle, stopping the rotating disc 2 at a fixed position, beginning to drill a second hole, and so on until all holes of the part are completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling mould, includes central disk (1), rotary disk (2), chassis (4), connection base (5) and location locking device (12), its characterized in that: connect base (5) and be square structure, be equipped with columniform chassis (4) on connecting base (5), connect base (5) through hexagon socket head cap screw (8) fixed connection chassis (4), join in marriage in chassis (4) and put ball thrust bearing (3), the top of ball thrust bearing (3) is columniform rotary disk (2), rotary disk (2) top is equipped with central disk (1), the both sides of connecting base (5) still are equipped with location locking device (12).

2. A drilling mould as claimed in claim 1, characterized in that: the positioning and locking device (12) comprises a positioning pin sleeve (6), a positioning pin (7), a spring (9) and a handle (11), the positioning pin sleeve (6) is fixed on two sides of the connecting base (5) through an inner hexagon screw (8), the spring (9) is arranged in the positioning pin sleeve (6), the positioning pin (7) is sleeved in the spring (9), one end of the positioning pin (7) penetrates through the positioning pin sleeve (6), and the other end of the positioning pin (7) is fixedly connected with the handle (11).

3. A drilling mould as claimed in claim 1, characterized in that: the diameter of the rotating disc (2) is the same as that of the chassis (4).

4. A drilling mould as claimed in claim 1, characterized in that: the rotary table is characterized in that a part is placed between the central disc (1) and the rotary disc (2), the central disc (1) and the rotary disc (2) are fixedly connected through an inner hexagon screw (8), and the rotary centers of the central disc (1) and the rotary disc (2) are coincided with the center of a reference circle of the part.

5. A drilling mould as claimed in claim 2, characterized in that: the positioning pin (7) is further provided with a nut (10), and the nut (10) is in threaded connection with the positioning pin sleeve (6).