CN218745013U

CN218745013U - Drilling device for measuring residual stress of parts by blind hole method

Info

Publication number: CN218745013U
Application number: CN202223250870.3U
Authority: CN
Inventors: 郝俊山
Original assignee: Nanjing Poly Navigation Technology Co ltd
Current assignee: Nanjing Poly Navigation Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-28
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a drilling equipment field specifically is blind hole method residual stress measures part drilling equipment, include: the electric drill comprises two vertical plates, wherein the vertical plates are connected with an electric drill mounting plate through a first sliding groove on the vertical plates in a limiting sliding mode, an electric drill is mounted on the electric drill mounting plate, and an elastic reset mechanism is connected to the electric drill mounting plate; the sliding block is positioned at the bottom of the electric drill, the top of the sliding block is used for fixedly arranging a part to be drilled, a left-right moving mechanism is connected to the sliding block, and a front-back moving mechanism is connected to the left-right moving mechanism; the elastic reset mechanism comprises an elastic part and auxiliary plates, and the auxiliary plates are fixedly connected to the vertical plates. The left-right moving mechanism and the front-back moving mechanism arranged in the blind hole method residual stress measuring part drilling device enable the fixed part to move to multiple positions, so that the drilling can be conveniently carried out at multiple positions; the elastic reset mechanism and the limiting sliding are arranged, so that the electric drill can well drill the part.

Description

Drilling device for measuring residual stress of parts by blind hole method

Technical Field

The utility model relates to a drilling equipment field especially relates to blind hole method residual stress measures part drilling equipment.

Background

The drilling device is a general term of equipment for processing holes in solid materials, and common drilling devices comprise electric drills, drilling machines and the like. With the further development of the machining process, the efficiency of the drilling device is greatly improved.

Usually, a plurality of holes are drilled in a plurality of specific positions of a part, the position of the electric drill is not changed, the part is clamped by a clamping plate, the clamping plate is fixed by a bottom plate screw, then the clamping plate needs to be moved manually for a plurality of times, and the holes are drilled in the plurality of positions, which is relatively troublesome. To this end, we have devised a mechanism which facilitates movement of the parts and hence drilling by the drill. Therefore, the drilling device for the blind hole method residual stress measurement part is pushed out.

As in the prior art, the chinese patent application No. 201921320596.8, a part drilling device, includes a feeding mechanism and a positioning mechanism, the feeding mechanism includes a horizontally disposed placing table and a rotating shaft located at a side of the placing table, a feeding box is disposed above the placing table, an arc-shaped groove is disposed on the placing table, a bottom of the feeding box is located above the arc-shaped groove, and a push rod is fixedly connected to the rotating shaft; positioning mechanism including be located the processing platform of placing the platform front end and with pivot fixed connection's driving lever, the processing bench rotates and is connected with the runner, and even interval is provided with a plurality of breachs on the outer fringe of runner, is equipped with radial groove between two adjacent breachs, and the outside of runner is equipped with the ring baffle, and the distance of ring baffle to breach equals with the external diameter of part, and the driving lever is located the top of push rod, driving lever and radial groove sliding fit. By adopting the technical scheme, the automatic feeding and positioning of the parts are realized through the feeding mechanism and the positioning mechanism, and the working efficiency is high. This arrangement is not particularly suitable when the part is to be perforated with a plurality of irregular holes.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect that prior art exists, the utility model provides a blind hole method residual stress measures part drilling equipment.

In order to solve the technical problem, the utility model discloses a technical scheme is: blind hole method residual stress measures part drilling equipment includes:

the electric drill comprises two vertical plates, wherein the vertical plates are connected with an electric drill mounting plate through a first sliding groove on the vertical plates in a limiting sliding mode, an electric drill is mounted on the electric drill mounting plate, and an elastic reset mechanism is connected to the electric drill mounting plate;

the sliding block is positioned at the bottom of the electric drill, the top of the sliding block is used for fixedly arranging a part to be drilled, a left-right moving mechanism is connected to the sliding block, and a front-back moving mechanism is connected to the left-right moving mechanism;

the elastic reset mechanism comprises an elastic part and an auxiliary plate, the auxiliary plate is fixedly connected to each of the two vertical plates, and the elastic part is connected between the auxiliary plate and the electric drill mounting plate.

Further, the top of the electric drill mounting plate is fixedly connected with a handle.

Further, the electric drill is electrically connected with the speed regulator, the speed regulator is electrically connected with a power supply, and the speed regulator is a JHZK speed regulator.

Further, a strain gauge is arranged at the position, to be drilled, of the part to be drilled, the strain gauge comprises three strain sensitive grids, the three strain sensitive grids are distributed on the periphery of the position, to be drilled, of the part to be drilled at 0 degree, 45 degrees and 90 degrees in the circumference, strain flowers are formed by the strain sensitive grids to measure residual stress, and the three strain sensitive grids are electrically connected with a JHYC strain gauge.

Further, the left-right moving mechanism comprises a Contraband template, one side of the Contraband template is rotatably connected with a first threaded rod, one side, far away from the Contraband template, of the first threaded rod is connected with a first rotating column, the first rotating column is rotatably connected to the Contraband template, the outer wall of the first rotating column is fixedly connected with a second circular disc, the sliding block is in threaded connection with the first threaded rod, and the sliding block is in limited sliding connection with a second sliding groove of the Contraband template.

Further, the back-and-forth moving mechanism comprises an L-shaped plate, a second rotating column is rotatably connected to the L-shaped plate, a second threaded rod is connected to one side of the second rotating column, a limiting plate is fixedly connected to the L-shaped plate, the other side of the second threaded rod is rotatably connected to the limiting plate, the L-shaped plate is in limited sliding connection with a slide bar through a third sliding groove in the L-shaped plate, the slide bar is in threaded connection with the second threaded rod, a slide column is connected to the slide bar, the slide column is in sliding connection with a sliding groove formed in the limiting plate, and one side, far away from the slide bar, of the slide column is fixedly connected with the Contraband shaped plate;

one side of the second rotating column, which is far away from the second threaded rod, is connected with a first disc.

Furthermore, the first disk and the second disk are both fixedly connected with a cylinder.

Further, the outer walls of the first disk and the second disk are provided with angle measurement marks for identifying the moving distance.

Compared with the prior art, the beneficial effects of the utility model include: the fixed part can be moved to a plurality of positions by the left-right moving mechanism and the front-back moving mechanism, so that the punching at a plurality of positions is facilitated;

the elastic reset mechanism and the limiting sliding are arranged, so that the electric drill can well drill the part.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like elements throughout. Wherein:

fig. 1 schematically shows a schematic structural view of the whole of the proposed device according to an embodiment of the present invention;

fig. 2 schematically shows a schematic structural view of a back-and-forth movement mechanism and a left-and-right movement mechanism of the device according to an embodiment of the present invention;

fig. 3 schematically shows a structural diagram of a first disk according to an embodiment of the present invention.

Reference numbers in the figures: 1. electric drilling; 2. a vertical plate; 3. a handle; 4. a first chute; 5. mounting a plate by an electric drill; 6. an elastic member; 7. an auxiliary plate; 8. an L-shaped plate; 9. a first disc; 10. a cylinder; 11. contraband template; 12. a slider; 13. a first threaded rod; 14. a first rotating column; 15. a second disc; 16. a second chute; 17. a strain gauge; 18. a limiting plate; 19. a traveler; 20. a chute; 21. a third chute; 22. a slide bar; 23. a second rotating cylinder; 24. an angle measurement imprint; 25. a second threaded rod.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1 to 3. Blind hole method residual stress measures part drilling equipment includes:

the electric drill comprises two vertical plates 2, wherein the vertical plates 2 are jointly limited and slidably connected with an electric drill mounting plate 5 through first sliding grooves 4 on the vertical plates, an electric drill 1 is mounted on the electric drill mounting plate 5, and an elastic resetting mechanism is connected on the electric drill mounting plate 5;

the electric drill comprises an electric drill 1, a sliding block 12, a left-right moving mechanism and a front-back moving mechanism, wherein the sliding block 12 is positioned at the bottom of the electric drill 1, the top of the sliding block 12 is used for fixedly arranging a part to be drilled, and the sliding block 12 is connected with the left-right moving mechanism which is connected with the front-back moving mechanism;

the elastic reset mechanism comprises an elastic piece 6 and an auxiliary plate 7, the auxiliary plate 7 is fixedly connected to the two vertical plates 2, and the elastic piece 6 is connected between the auxiliary plate 7 and the electric drill mounting plate 5.

Specifically, at first will treat that the part of driling is fixed through external splint, then will treat that the part of driling is fixed on slider 12 with splint through the cooperation of screw or magnet, make this moment and remove the operation of moving mechanism and back-and-forth movement mechanism for slider 12 is left and right sides and back-and-forth movement, make the position of waiting to bore of the part of waiting to be located the bottom of electric drill 1 drill bit, press electric drill mounting panel 5 this moment, make electric drill 1 give the part drilling. At the end of drilling, the slide 12 is moved to another position where drilling is desired.

In this embodiment, as shown in fig. 1, a handle 3 is fixedly attached to the top of the drill mounting plate 5.

In particular, the electric drill mounting plate 5 is convenient to push and pull.

In the present embodiment, as shown in fig. 1, the electric drill 1 is electrically connected to a speed regulator, the speed regulator is electrically connected to a power supply, and the speed regulator is a JHZK speed regulator.

Specifically, the JHZK speed regulator can well regulate the speed, so that parts made of various materials can be conveniently drilled.

In this embodiment, as shown in fig. 2, a strain gauge 17 is disposed at a position to be drilled of a part to be drilled, the strain gauge 17 includes three strain sensitive grids, the three strain sensitive grids are circumferentially distributed at 0 degree, 45 degrees and 90 degrees on the periphery of the position to be drilled of the part to be drilled, the strain sensitive grids form a strain gauge for measuring residual stress, and the three strain sensitive grids are electrically connected to a JHYC strain gauge.

Specifically, the residual stress is measured by forming a strain gauge by three strain sensitive grids.

In the embodiment, as shown in fig. 2, the left-right moving mechanism comprises a Contraband template 11, a first threaded rod 13 is connected to one side of the Contraband template 11 in a rotating mode, a first rotating column 14 is connected to one side, far away from Contraband template 11, of the first threaded rod 13, the first rotating column 14 is connected to Contraband template 11 in a rotating mode, a second circular disc 15 is fixedly connected to the outer wall of the first rotating column 14, a sliding block 12 is connected to the first threaded rod 13 in a threaded mode, and the sliding block 12 is connected to a second sliding groove 16 of the Contraband template 11 in a limiting and sliding mode.

Specifically, the second disk 15 is rotated to enable the first rotating column 14 and the first threaded rod 13 to rotate, and the limit is matched, so that the sliding block 12 can move left and right.

In this embodiment, as shown in fig. 2, the forward-backward moving mechanism includes an L-shaped plate 8,L, a second rotating column 23 is rotatably connected to the plate 8, a second threaded rod 25 is connected to one side of the second rotating column 23, a limiting plate 18 is fixedly connected to the L-shaped plate 8, the other side of the second threaded rod 25 is rotatably connected to the limiting plate 18, the L-shaped plate 8 is limited by a third sliding groove 21 thereon and slidably connected with a sliding bar 22, the sliding bar 22 is threadedly connected to the second threaded rod 25, a sliding column 19 is connected to the sliding bar 22, the sliding column 19 is slidably connected to a sliding groove 20 formed in the limiting plate 18, and a Contraband plate 11 is fixedly connected to one side of the sliding column 19 away from the sliding bar 22;

the side of the second rotary column 23 far away from the second threaded rod 25 is connected with a first disc 9.

Specifically, the first disc 9 is rotated to enable the second rotating column 23 and the second threaded rod 25 to rotate, the sliding strip 22 is enabled to move back and forth through matching limiting, and the sliding strip 22 enables the Contraband type plate 11 to move back and forth through the sliding column 19.

In this embodiment, as shown in fig. 2, a column 10 is fixedly connected to each of the first disk 9 and the second disk 15.

In particular, it is convenient to rotate the first disc 9 and the second disc 15.

In this embodiment, as shown in fig. 3, the outer walls of the first disk 9 and the second disk 15 are each provided with an angle measurement mark 24 for identifying the distance moved.

In particular, the movement of the adjustment element can thus be facilitated.

In this embodiment, at first will wait to drill the part through external splint fixed, then will wait to drill the part through the cooperation of screw or magnet with the splint and fix on slider 12, rotate first disc 9 this moment and make second rotation post 23 and second threaded rod 25 rotate, the cooperation is spacing, make the draw runner 22 back-and-forth movement, the draw runner 22 makes Contraband template 11 back-and-forth movement through the draw runner 19, rotate second disc 15 and make first rotation post 14 and first threaded rod 13 rotate, the cooperation is spacing, make slider 12 remove about can. The position of a part to be drilled is located at the bottom of a drill bit of the electric drill 1, and the electric drill mounting plate 5 is pressed at the moment, so that the part is drilled by the electric drill 1. At the end of drilling, the position of the slide 12 is moved again so that another location requiring drilling is drilled out. By means of the angle measuring imprint 24, the position of the component can be adjusted very easily.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. Blind hole method residual stress measures part drilling equipment, its characterized in that includes:

the electric drill comprises two vertical plates (2), wherein the vertical plates (2) are connected with an electric drill mounting plate (5) in a limiting and sliding mode through first sliding grooves (4) on the vertical plates, an electric drill (1) is mounted on the electric drill mounting plate (5), and an elastic reset mechanism is connected to the electric drill mounting plate (5);

the electric drill comprises an electric drill (1), a sliding block (12), a left-right moving mechanism and a front-back moving mechanism, wherein the sliding block (12) is positioned at the bottom of the electric drill (1), the top of the sliding block (12) is used for fixedly arranging a part to be drilled, and the sliding block (12) is connected with the left-right moving mechanism which is connected with the front-back moving mechanism;

the elastic reset mechanism comprises an elastic part (6) and an auxiliary plate (7), the auxiliary plate (7) is fixedly connected to each of the two vertical plates (2), and the elastic part (6) is connected between the auxiliary plate (7) and the electric drill mounting plate (5).

2. The drilling device for the residual stress measurement part by the blind hole method as claimed in claim 1, wherein a handle (3) is fixedly connected to the top of the electric drill mounting plate (5).

3. The drilling device for the blind hole method residual stress measurement part according to claim 2, wherein the electric drill (1) is electrically connected with a speed regulator, the speed regulator is electrically connected with a power supply, and the speed regulator is a JHZK speed regulator.

4. The drilling device for the part to be drilled with the residual stress measurement according to the blind hole method of claim 3, wherein the position to be drilled of the part to be drilled is provided with the strain gauge (17), the strain gauge (17) comprises three strain sensitive grids, the circumferences of the three strain sensitive grids are distributed on the periphery of the position to be drilled of the part to be drilled at 0 degree, 45 degrees and 90 degrees, the strain sensitive grids form strain patterns to measure the residual stress, and the three strain sensitive grids are electrically connected with a JHYC strain gauge.

5. The blind hole method residual stress measurement part drilling device according to claim 1, wherein the left-right moving mechanism comprises a Contraband template (11), one side of the Contraband template (11) is rotatably connected with a first threaded rod (13), one side, far away from the Contraband template (11), of the first threaded rod (13) is connected with a first rotating column (14), the first rotating column (14) is rotatably connected to the Contraband template (11), the outer wall of the first rotating column (14) is fixedly connected with a second disc (15), the sliding block (12) is in threaded connection with the first threaded rod (13), and the sliding block (12) is in limited sliding connection with a second sliding groove (16) of the Contraband template (11).

6. The blind hole method residual stress measurement part drilling device according to claim 5, wherein the forward and backward moving mechanism comprises an L-shaped plate (8), a second rotating column (23) is connected to the L-shaped plate (8) in a rotating manner, a second threaded rod (25) is connected to one side of the second rotating column (23), a limiting plate (18) is fixedly connected to the L-shaped plate (8), the other side of the second threaded rod (25) is connected to the limiting plate (18) in a rotating manner, a sliding bar (22) is connected to the L-shaped plate (8) in a limiting and sliding manner through a third sliding groove (21) formed in the L-shaped plate (8), the sliding bar (22) is connected to the second threaded rod (25) in a threaded manner, a sliding column (19) is connected to the sliding bar (22), the sliding column (19) is connected to a sliding groove (20) formed in the limiting plate (18) in a sliding manner, and a side, far away from the sliding column (19), of the sliding bar (22) is fixedly connected to the Contraband;

one side of the second rotating column (23) far away from the second threaded rod (25) is connected with a first disc (9).

7. The drilling device for the residual stress measurement parts by the blind hole method according to claim 6, wherein the first disk (9) and the second disk (15) are fixedly connected with a cylinder (10).

8. The device for drilling a residual stress measurement part according to the blind hole method of claim 6, wherein the outer walls of the first disk (9) and the second disk (15) are each provided with an angle measurement mark (24) for identifying the distance of movement.