CN215431922U

CN215431922U - Device for machining deep cavity of part

Info

Publication number: CN215431922U
Application number: CN202022888856.0U
Authority: CN
Inventors: 张研; 於胜军; 李泰华; 张志武; 孙琳; 赵永亮
Original assignee: Liaoshen Industrial Group Co ltd
Current assignee: Liaoshen Industrial Group Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-01-07
Anticipated expiration: 2030-12-04

Abstract

The utility model provides a device for machining a deep cavity by electric spark assistance, which belongs to the field of tool design, solves the problems that the weight of a cutter is heavy and the cutter is easy to loosen when being connected with equipment while the machining precision cannot be met, and comprises a supporting bolt, a fixed base, a gasket, a fastening screw, a T-shaped sliding block, a stud and a cutter; the structure of the T-shaped sliding block is matched with the bottom groove of the fixed base; four threaded holes are formed in the side face in the height of the bottom groove, two threaded holes are formed in the side face of the T-shaped sliding block, and the distance between the threaded holes of the T-shaped sliding block is consistent with the distance between the adjacent threaded holes in the fixed base; the auxiliary processing device has the advantages of simple structure, low cost and easy operation, reduces the cost of processing parts in batches, and improves the processing precision and the processing efficiency. The used cutter can be replaced to finish the deep cavity processing of different shapes.

Description

Device for machining deep cavity of part

Technical Field

The utility model relates to a device for machining a deep cavity of a part by electric spark, belonging to the field of tool design.

Background

At present, a numerical control milling machine is adopted for machining a deep cavity of a part, an elongated milling cutter needs to be customized, the price is high, the elongated milling cutter is easy to generate a cutter vibration phenomenon when milling a workpiece, the machining precision is influenced, and impurities which are not removed are generated at the bottom of the deep cavity. If the tool is directly connected with the electric spark equipment, the deep cavity part is machined by utilizing the electric spark, although the machining precision can be met, the bottom of the deep cavity can also ensure that no impurity is generated, but the tool is high in price, the tool raw material required by the method is large, the weight of the tool is heavy, and the tool is easy to loosen when being connected with the equipment. No matter the numerical control milling machine or the cutter electric spark machining can not meet the machining precision and reduce the batch production cost. Aiming at the problem, a device for processing a deep cavity of a part by electric spark is urgently needed at present, so that the processing precision is improved, the use of raw materials of a cutter is reduced, and the batch production cost is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the machining precision cannot be met, the weight of a cutter is heavy, and looseness is easy to generate when the cutter is connected with equipment.

The technical scheme of the utility model is as follows: the device for machining the deep cavity of the part by using the electric spark is characterized by comprising a supporting bolt, a fixed base, a gasket, a fastening screw, a T-shaped sliding block, a stud and a cutter; four threaded holes are formed at four corners of the plane of the fixed base, and four supporting bolts are screwed in the threaded holes at four corners of the upper plane of the fixed base; the bottom of the fixed base is provided with a groove, and the structure of the T-shaped sliding block is matched with the bottom groove of the fixed base; four threaded holes are formed in the side face in the height of the bottom groove, two threaded holes are formed in the side face of the T-shaped sliding block, the size of each threaded hole is consistent with that of the four threaded holes in the fixed base, and the distance between the threaded holes of the T-shaped sliding block is consistent with that between the adjacent threaded holes in the fixed base; and can be connected with the outer diameter thread of the fastening screw; a threaded through hole is formed from the upper surface to the bottom surface of the T-shaped sliding block and is matched with the external thread of the stud bolt to fix the stud bolt; the stud both ends all have the external screw thread, respectively with T type slider and cutter threaded connection, the plane threaded hole is the blind hole on the cutter, cooperatees with the stud external screw thread.

Furthermore, two threaded holes in the side surface of the T-shaped sliding block correspond to any two threaded holes in the side surface of the fixing base, and can be fixed by adopting fastening screws.

Further, the washer is screwed into the fastening screw, and the combined washer and fastening screw are screwed into the side threaded holes of the fixed base and the T-shaped slider.

Further, the respective stay bolts are protruded to a uniform height.

Further, the axis of the stud is perpendicular to the lower plane of the T-shaped slider and the upper plane of the tool.

Furthermore, the fastening screw is provided with a thread on the outer diameter, the thread is matched with the inner diameter of the gasket, and the gasket and the fastening screw are used for fixing the T-shaped sliding block in the bottom groove of the fixed base.

Further, the gasket is of an annular structure.

Further, the support bolt supports the electric discharge worktable.

Furthermore, a bottom groove of the fixed base is a through groove, and the width of the groove is consistent with that of the upper part of the T-shaped sliding block.

Further, the length of the groove is more than 2 times of the length of the upper part of the T-shaped sliding block.

The utility model has the beneficial effects that:

compared with the existing processing method, the auxiliary processing device has the advantages of simple structure, low cost and easiness in operation, reduces the cost of processing parts in batches, and improves the processing precision and the processing efficiency. The used cutter can be replaced to finish the deep cavity processing of different shapes.

Drawings

FIG. 1 is a view of an auxiliary processing apparatus;

FIG. 2 is a cross-sectional view of an auxiliary processing apparatus;

reference numerals: the tool comprises a supporting bolt 1, a fixed base 2, a gasket 3, a fastening screw 4, a T-shaped sliding block 5, a stud bolt 6 and a cutter 7.

Detailed Description

The present invention is described in further detail below with reference to the accompanying drawings.

As shown in figure 1, the device for machining the deep cavity of the part by the electric spark comprises a supporting bolt 1, a fixed base 2, a gasket 3, a fastening screw 4, a T-shaped sliding block 5, a stud bolt 6 and a cutter 7.

The supporting bolt 1 is used for supporting the electric spark workbench, simultaneously ensures the flatness between the fixed base 2 and the electric spark workbench, and is in threaded connection with the fixed base 2.

The fixing base 2 is used for combining the T-shaped sliding block 5 and the supporting bolt 1 together, four threaded holes are formed in four corners of an upper plane and are in threaded connection with the supporting bolt 1, four threaded holes are formed in the side face and are in threaded connection with the external threads of the fastening screws 4, the bottom of the fixing base is provided with a groove, and the T-shaped sliding block is fixed in the bottom groove of the fixing base 2 through the gasket 3 and the fastening screws 4.

The gasket 3 is used for the combination of the hexagon screw 4, the T-shaped sliding block and the fixed base 2 to reduce friction and prevent looseness, is of an annular structure, the inner diameter of the gasket is matched with the outer diameter of the fastening screw 4, and a threaded hole is formed in the end face of the gasket 3 and used for screwing the fastening screw 4.

The fastening screw 4 is used for fixing the T-shaped sliding block 5 on the fixed base 2, is provided with threads on the outer diameter, is matched with the inner diameter of the gasket 3 and is used for screwing the fixed base 2 and the T-shaped sliding block 5.

T type slider 5 is used for connecting unable adjustment base 2 and stud 6, and 5 sides of T type slider have two screw holes, and this screw hole size is unanimous with four screw holes on the unable adjustment base, 3 terminal surface screw holes sizes of packing ring to can with fastening screw 4 external diameter threaded connection, be used for fixing at unable adjustment base bottom inslot. A threaded through hole is formed in the T-shaped sliding block 5 from the upper surface to the bottom surface and matched with the external thread of the stud bolt 6, and the effect of fixing the stud bolt 6 is achieved.

The stud 6 is used for connecting the T-shaped sliding block 5 and the cutter 7, external threads are arranged at two ends of the stud and are in threaded connection with the T-shaped sliding block 5 and the cutter 7, and the axis of the stud is perpendicular to the lower plane of the T-shaped sliding block 5 and the upper plane of the cutter 7.

The cutter 7 is used for processing a deep cavity of a part, and a threaded hole in the upper plane is a blind hole and is matched with the external thread of the stud bolt 6.

Connection relation: screwing four supporting bolts 1 into threaded holes at four corners of the upper plane of the fixed base; putting the T-shaped sliding block 5 into a bottom groove of the fixed base 2, ensuring that two threaded holes in the side surface of the T-shaped sliding block 5 are matched with any two threaded holes in the side surface of the fixed base 2, screwing the gasket 3 into the fastening screw 4, screwing the gasket 3 and the fastening screw 4 which are combined together into the threaded holes in the side surfaces of the fixed base 2 and the T-shaped sliding block 5, and preventing the T-shaped sliding block 5 from moving in the fixed base 2; screwing one end of a stud bolt 6 into a threaded through hole of the T-shaped sliding block 5, and screwing to ensure that the axis is vertical to the lower plane of the T-shaped sliding block 5; the cutter 7 is screwed to the other end of the stud 6, ensuring that the upper plane is perpendicular to the axis of the stud 6.

The utility model relates to a processing auxiliary device, which comprises the following using method: and screwing the supporting bolts 1 into the fixed base 2, and screwing the supporting bolts to ensure that the upper planes of the four supporting bolts 1 are on the same plane. T type slider 5 installs in unable adjustment base 2's bottom inslot, with fastening screw 4 and packing ring 3 that the combination is in the same place, cooperatees with T type slider 5 and unable adjustment base 2's side screw thread, realizes fixing T type slider 5 in unable adjustment base 2 bottom inslot, guarantees that T type slider 5 can bear the gravity of stud 6 and cutter 7. Then screwing one end of the stud 6 into the T-shaped slide block 5, and ensuring that the axis is vertical to the lower surface of the T-shaped slide block 5; the other end of the connecting rod is connected with a cutter 7 and ensures that the axis is vertical to the upper surface of the cutter 7. And finally, connecting the upper part of the electric spark machining device with the electric spark equipment and extending the lower part of the electric spark machining device into the bottom of the cavity of the part with the deep cavity to be machined, and debugging the equipment to complete the machining of the deep cavity of the part.

The above detailed description is provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A device for machining a deep cavity of a part is characterized by comprising a supporting bolt (1), a fixed base (2), a gasket (3), a fastening screw (4), a T-shaped sliding block (5), a stud bolt (6) and a cutter (7);

four threaded holes are formed in four corners of the plane of the fixed base (2), and four supporting bolts (1) are screwed into the threaded holes in the four corners of the plane of the fixed base;

the bottom of the fixed base (2) is provided with a groove, and the structure of the T-shaped sliding block is matched with the bottom groove of the fixed base (2); four threaded holes are arranged on the side surface in the height of the bottom groove,

two threaded holes are formed in the side face of the T-shaped sliding block (5), the size of each threaded hole is consistent with that of each threaded hole in the fixed base, and the distance between the threaded holes of the T-shaped sliding block is consistent with that between adjacent threaded holes in the fixed base; and can be connected with the outer diameter thread of the fastening screw (4); a threaded through hole is formed from the upper surface to the bottom surface of the T-shaped sliding block and is matched with the external thread of the stud bolt (6) to fix the stud bolt;

the two ends of the stud bolt (6) are provided with external threads which are respectively connected with the T-shaped slide block (5) and the cutter (7) by threads,

the threaded hole on the upper plane of the cutter (7) is a blind hole and is matched with the external thread of the stud bolt (6).

2. The device for machining the deep cavity of the part is characterized in that two threaded holes in the side surface of the T-shaped sliding block (5) correspond to any two threaded holes in the side surface of the fixing base and can be fixed by using the fastening screws (4).

3. The apparatus for machining deep cavity of part as claimed in claim 1, wherein each supporting bolt protrudes to a uniform height.

4. The apparatus for machining deep cavities in parts of claim 1, wherein the stud axis is perpendicular to the lower plane of the T-block and the upper plane of the tool.

5. The device for machining the deep cavity of the part as claimed in claim 1, wherein the fastening screw (4) is threaded on the outer diameter to match with the inner diameter of the washer (3), and the T-shaped sliding block is fixed in the bottom groove of the fixed base (2) by the washer (3) and the fastening screw (4).

6. The apparatus for machining deep cavity of part as claimed in claim 1, wherein the washer is of annular configuration.

7. The apparatus for machining deep cavity of part as claimed in claim 1, wherein the supporting bolt supports the electric discharge machine.

8. The device for machining the deep cavity of the part as claimed in claim 1, wherein the bottom groove of the fixed base is a through groove, and the width of the through groove is consistent with that of the upper part of the T-shaped sliding block.

9. The apparatus for deep cavity machining of parts as claimed in claim 1, wherein the length of the groove is greater than 2 times the length of the upper portion of the T-shaped slide.