CN112122657A

CN112122657A - Turnover tool for processing workpiece with oblique cross hole

Info

Publication number: CN112122657A
Application number: CN202011331182.2A
Authority: CN
Inventors: 唐显君; 吴郁婷; 刘璐; 张晓虎; 高国友; 张德文
Original assignee: Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
Current assignee: Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2020-12-25

Abstract

The invention discloses a turnover tool for processing a workpiece with an oblique cross hole, which comprises: casing and fastening plug screw, casing one side inside has the part mounting hole, the part mounting hole is used for the assembly to wait to process the part, the part mounting hole outside has the plug screw mounting hole, the fastening plug screw that has closed soon in the plug screw mounting hole, fastening plug screw top tightly waits to process the part, it needs to carry out a plurality of processing of waiting to process the oblique fork hole to wait to process the part, the casing has the processing of outside running through with waiting to process the oblique fork hole position department and keeps away the position hole, the processing keeps away the position hole and waits to process the axis collineation in the oblique fork hole, the casing outside has a plurality of machined surfaces, each machined surface is perpendicular with the axis that the processing of corresponding position kept away the position hole, each machined surface has parallel arrangement's installation base face, the installation base face sets up in the outside opposite side for the machined surface of casing, it adds the complicated and difficult assurance of clamping to solve having a plurality of oblique fork holes among the prior art.

Description

Turnover tool for processing workpiece with oblique cross hole

Technical Field

The invention belongs to the technical field of machining, and particularly relates to an overturning tool for machining a workpiece with an oblique cross hole.

Background

In the field of normal temperature valves, the piston is internally provided with a cross hole array hole which is drilled and processed, and the internal space is narrow and complex. The common vertical machining center or the horizontal machining center can only machine the surface vertical to the main shaft direction, the machining range of the surfaces is limited, if the space hole is machined by common equipment, a clamping fixture needs to be manufactured, clamping needs to be carried out for several times, and the position degree and the precision of the hole are difficult to guarantee in the repeated clamping process. The valve core oblique crossing holes are distributed at a certain angle in the circumferential direction, and have the characteristics of small pore diameter and difficulty in positioning, when the common drilling machine is used for drilling at present, the common drilling machine can only be used for positioning once by using a dividing head and then clamping, the tool setting process is long in consumed time, and the production and processing efficiency is seriously restricted, so that the tool is urgently required to be designed for positioning the crossing holes, and the common drilling machine is convenient to use for quickly and accurately drilling the holes.

Disclosure of Invention

The invention aims to provide an overturning tool for processing a workpiece with an oblique cross hole, and solves the technical problems that in the prior art, when a plurality of oblique fork holes are formed, clamping is complex, precision is not easy to guarantee, and tool setting and processing difficulty are high.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a processing has upset frock of oblique cross bore work piece, includes: casing and fastening plug screw, casing one side inside has the part mounting hole, the part mounting hole is used for assembling the part of waiting to process, the part mounting hole outside has the plug screw mounting hole, the fastening plug screw that has closed in the plug screw mounting hole soon, fastening plug screw top tightly waits to process the part, wait to process the part and need carry out a plurality of processing of waiting to process the oblique fork hole, the casing has the processing of outwards running through with waiting to process the oblique fork hole position department of correspondence and keeps away the position hole, processing keeps away the position hole and waits to process the axis collineation of oblique fork hole, the casing outside has a plurality of machined surfaces, each machined surface is perpendicular with the axis of the processing of the corresponding position hole, each machined surface has parallel arrangement's installation base face, the installation base face sets up in the casing outside for the opposite side of machined surface, the casing is regular or anomalous polyhedron structure, the part to be processed is clamped through the shell, so that the part can be clamped at one time, a plurality of positions are processed, clamping errors are reduced, and the clamping difficulty is also reduced by positioning the mounting base surface.

According to the turnover tool for processing the workpiece with the oblique cross hole, the drill bush is arranged in the processing avoiding hole and is matched with the aperture of the oblique fork hole to be processed at the corresponding position.

According to the turnover tool for machining the workpiece with the inclined cross holes, the screw plug lightening holes are formed in the side, close to the part to be machined, of the fastening screw plug, so that the weight is reduced and the clamping efficiency is improved under the condition that the clamping effect is not influenced

According to the turnover tool for processing the workpiece with the oblique cross hole, the right side surface of the fastening screw plug is provided with the assembling and disassembling square head, so that the fastening screw plug can be conveniently locked and disassembled, and the assembling and disassembling square head and the main body are of an integrally formed structure.

According to the turnover tool for machining the workpiece with the oblique cross hole, the side, opposite to the fastening screw plug, of the shell is provided with the push rod installation threaded hole, the push rod is screwed in the push rod installation threaded hole, and a part to be machined can be conveniently ejected out after machining is finished.

According to the turnover tool for processing the workpiece with the inclined cross hole, the left side of the push rod is of a hexagonal structure.

According to the turnover tool for processing the workpiece with the oblique cross holes, the number of the oblique fork holes to be processed of the part to be processed is four, the oblique fork holes to be processed are uniformly distributed on the circumferential outer side of the part to be processed, the included angles between the oblique fork holes to be processed and the axis of the part to be processed are 60 degrees, the structure can enable the installation base surface to be uniformly distributed on the outer side of the shell, and the positioning and tool setting of the turnover tool are only needed to be performed once.

According to the turnover tool for processing the workpiece with the inclined cross hole, the shape and the area of the processing surface are the same as those of the mounting base surface, so that the shell can be conveniently processed, the projection direction of the mounting base surface is vertical to the processing surface, the clamping and the positioning are easy, and the impact force applied during processing is balanced.

The invention has the following beneficial effects: the utility model provides a processing has upset frock of oblique cross bore work piece, through will have a plurality of parts to be processed that wait to process the oblique fork hole assemble into the casing, through on the casing with wait to process the oblique fork hole position department of correspondence and set up parallel machined surface and installation base face to can fix a position fast through the upset casing, reduce tool setting number of times and tool setting time raise the efficiency, reduce intensity of labour, increase the security, the drilling quality and the efficiency of ordinary drilling machine processing valve piston have been promoted.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a partial view of a housing of an embodiment of the present invention;

FIG. 3 is a drawing of a part to be machined according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 3, an overturning tool for processing a workpiece with an oblique cross hole comprises: casing 1 and fastening plug screw 3, casing 1 one side inside has part mounting hole 11, part mounting hole 11 is used for the assembly to wait to process part 2, part mounting hole 11 outside has plug screw mounting hole 13, fastening plug screw 3 has closed soon in the plug screw mounting hole 13, fastening plug screw 3 top tightly waits to process part 2, it needs to carry out a plurality of processing of waiting to process fork hole 21 to wait to process part 2, casing 1 and the processing that waits to process fork hole 21 position and correspond the department and have outside processing of running through and keep away position hole 12, processing is kept away the position hole 12 and is waited to process the axis collineation of fork hole 21, casing 1 outside has a plurality of machined surfaces 15, each machined surface 15 is perpendicular with the axis of the processing of corresponding position and keeps away position hole 12, each machined surface 15 has parallel arrangement's installation base face 16, installation base face 16 sets up in casing 1 outside for the opposite side of machined surface 15, the shell 1 is in a regular or irregular polyhedral structure.

In the preferred embodiment of the invention, the drill bushing 5 is installed in the processing avoiding hole 12, and the diameter of the drill bushing 5 is matched with that of the inclined fork hole 21 to be processed at the corresponding position.

In a preferred embodiment of the invention, the fastening screw plug 3 has a screw plug lightening hole 31 on the side close to the part 2 to be machined.

In the preferred embodiment of the present invention, the right side of the fastening screw plug 3 is provided with a mounting and dismounting square head 32.

In a preferred embodiment of the present invention, a push rod mounting threaded hole 14 is formed on a side of the housing 1 opposite to the fastening screw plug 3, and a push rod 4 is screwed into the push rod mounting threaded hole 14.

In the preferred embodiment of the present invention, the left side of the push rod 4 has a hexagonal structure.

In a preferred embodiment of the invention, the number of the inclined fork holes 21 to be processed of the part 2 to be processed is four, the inclined fork holes are uniformly distributed on the circumferential outer side of the part 2 to be processed, and the included angles between the inclined fork holes 21 to be processed and the axis of the part 2 to be processed are both 60 degrees.

In the preferred embodiment of the present invention, the processing surface 15 and the mounting base surface 16 have the same shape and area.

The processing procedure is as follows:

the piston of the check valve is explained as an example, when machining, the distance between the piston and the large end of the piston needs to be 22mm, the included angle between the piston and the axis is 60 degrees, 4 phi 5 small holes are uniformly drilled, generally, the shell 1 is a sphere edge cutting, four crossed holes of the piston of the check valve are uniformly distributed, and each interval is 90 degrees, so that the left end of the shell 1 is externally designed into four planes, the included angle between the crossed holes of the piston and the axis is 60 degrees, the included angle between the processed surface 15 outside the left end of the shell 1 and the horizontal plane is 60 degrees, four holes corresponding to the piston and the corresponding angle are drilled on the processed surface 15, namely, the processing avoiding hole 12 in the graph 2, the appearance of the right end of the shell 1 is correspondingly designed into four planes, namely, the installation base surface 16 is parallel to the processed surface 15, when drilling, the turnover tool uses the installation base surface 16 as the. The part mounting hole 11 of the inner cavity of the shell 1 is matched with the size of the piston, the piston cannot deflect during drilling, and the right-end thread is assembled with the fastening screw cap 3 to ensure the axial position of the piston.

The drill bushing 5 with the proper size is selected according to the size of the piston oblique crossing hole, the drill bushing 5 is arranged in a machining avoiding hole 12 of the shell 1, a tool with the piston is arranged in a common drilling machine for drilling, a vice is arranged on a drilling platform, the shell 1 is overturned to enable one of the installation base surfaces 16 to be attached to a plane, the oblique machining avoiding hole 12 is changed into a small hole in the vertical direction, the tool is clamped by the vice to complete drilling, the tool is overturned by 90 degrees clockwise or anticlockwise to drill the next hole, and then drilling of the two residual holes is completed in sequence. The operator only needs to accomplish frock upset and vice clamp and tightly loosens the action, reduces tool setting number of times and tool setting time, has promoted efficiency, and drilling is accomplished, unscrews fastening plug screw 3, twists into push rod 4 from 1 left side push rod installation screw hole of casing, slowly releases the piston and waits to process part 2, processes the piston in the different apertures of same angle, only needs to change the drill bushing, can accomplish the drilling.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a processing has upset frock of oblique cross hole work piece which characterized in that includes: casing (1) and fastening plug screw (3), casing (1) one side inside has part mounting hole (11), part mounting hole (11) are used for the assembly to wait to process part (2), part mounting hole (11) outside has plug screw mounting hole (13), fastening plug screw (3) have been closed in plug screw mounting hole (13) internal rotation, fastening plug screw (3) top tightly waits to process part (2), wait to process part (2) and need carry out a plurality of processing of waiting to process fork hole (21), casing (1) and the processing that waits to process fork hole (21) position department of correspondence have outside through to avoid a hole (12), the axis collineation of keeping away a hole (12) and waiting to process fork hole (21) is avoided in processing, casing (1) outside has a plurality of machined surfaces (15), each machined surface (15) are perpendicular with the axis that the processing of keeping away a hole (12) that corresponds the position, each processing surface (15) is provided with a parallel mounting base surface (16), the mounting base surfaces (16) are arranged on the other side of the outer part of the shell (1) relative to the processing surfaces (15), and the shell (1) is in a regular or irregular polyhedral structure.

2. The turning tool for machining the workpiece with the oblique crossing holes as claimed in claim 1, wherein a drill bushing (5) is installed in the machining avoiding hole (12), and the drill bushing (5) is matched with an oblique fork hole (21) to be machined in a corresponding position in aperture.

3. The turning tool for machining the workpiece with the oblique cross hole as claimed in claim 1, wherein a screw plug lightening hole (31) is formed in one side, close to the part (2) to be machined, of the fastening screw plug (3).

4. The turning tool for machining the workpiece with the inclined cross hole as claimed in claim 1, wherein the right side face of the fastening screw plug (3) is provided with a mounting and dismounting square head (32).

5. The turning tool for machining the workpiece with the inclined cross hole according to one of claims 1 to 4, wherein a push rod mounting threaded hole (14) is formed in the side, opposite to the fastening screw plug (3), of the shell (1), and the push rod (4) is screwed into the push rod mounting threaded hole (14).

6. The turning tool for machining the workpiece with the inclined cross holes according to claim 5, wherein the left side of the push rod (4) is of a hexagonal structure.

7. The turning tool for machining the workpiece with the oblique crossing holes as claimed in claim 5, wherein the number of the oblique crossing holes (21) to be machined of the workpiece (2) to be machined is four, the oblique crossing holes are uniformly distributed on the circumferential outer side of the workpiece (2) to be machined, and the included angles between the oblique crossing holes (21) to be machined and the axial line of the workpiece (2) to be machined are both 60 degrees.

8. The turning tool for machining the workpiece with the inclined cross hole as claimed in claim 7, wherein the machining surface (15) and the mounting base surface (16) are the same in shape and area.