CN217619173U

CN217619173U - Cambered surface punches and uses processing frock

Info

Publication number: CN217619173U
Application number: CN202221071488.3U
Authority: CN
Inventors: 梁栋; 袁涛; 苏兵; 王薪
Original assignee: Jiangsu Spray Technology Co ltd
Current assignee: Jiangsu Spray Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-21
Anticipated expiration: 2032-05-06

Abstract

The utility model relates to the technical field of drill jigs, in particular to a processing tool for punching cambered surfaces, which is used for processing cambered surface workpieces and comprises a positioning drilling device and a positioning rotating device, wherein the cambered surface workpieces are detachably arranged in the positioning drilling device, and the positioning drilling device is rotatably connected above the positioning rotating device; the positioning and rotating device comprises a positioning base, a cylinder is arranged on the positioning base, and a drilling device is abutted against the end part of the cylinder for positioning, the utility model discloses utilize the positioning and rotating device to rotate the rotating base and make the cambered surface workpiece and the drill bushing follow the rotation, the axis perpendicular to horizontal plane of the drilling bushing corresponding to the processing part on the cambered surface workpiece is adjusted through the angle, the drill bit is effectively prevented from slipping and is difficult to position, the surface precision of drilling processing is improved, and meanwhile, the large-scale production can be realized, and the wide application prospect is achieved.

Description

Cambered surface punches and uses processing frock

Technical Field

The utility model relates to a drill clamp technical field, especially a cambered surface punches and uses processing frock.

Background

The drilling processing on the arc surface of the workpiece is a big problem in the drilling processing field, and because the processing hole is on the arc surface, the common vertical drilling machine is easy to have the drill bit slipping phenomenon in the processing process, and the processing precision and the position precision of the drilling on the arc surface are influenced; if the punching direction points to the circle center, the common vertical drilling machine cannot realize oblique machining, only a manual operation mode can be adopted, the axis of the drilling machine drill bit is perpendicular to the cambered surface through visual inspection, the operation difficulty is high, and meanwhile the working efficiency is low.

Therefore, the processing tool for punching the cambered surface is provided, a drill bit of a drilling machine can be vertically arranged with a tangent line of the cambered surface, the drill bit is prevented from slipping, and the processing precision and the position precision of the cambered surface drilling are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cambered surface punches and uses processing frock to when solving among the prior art and drilling the work piece cambered surface, the drill bit appears skidding easily, and the machining precision and the lower technical problem of position precision of cambered surface.

The utility model provides a technical scheme that its technical problem adopted is: a processing tool for punching a cambered surface is used for processing a cambered surface workpiece and comprises a positioning drilling device and a positioning rotating device, wherein the cambered surface workpiece is detachably arranged in the positioning drilling device, and the positioning drilling device is rotatably connected above the positioning rotating device; a rotating shaft and an air cylinder are arranged in the positioning rotating device, the rotating shaft is uniformly provided with a plurality of positioning cams along the axial direction, the positioning drilling device is fixedly connected to the positioning cams, and the telescopic end of the air cylinder is slidably connected with an inclined plane fixing block; the positioning and drilling device comprises a rotating base, the positioning cam is fixedly connected to the lower plane of the rotating base, a drill bushing is arranged above the rotating base, the cambered surface workpiece is located between the drill bushing and the rotating base, and the inclined surface of the inclined surface fixing block is abutted to the bottom surface of the drill bushing.

Further, location rotary device is equipped with the support frame including location base, location base both ends, the pivot is rotationally connected with between two support frames.

Further, the positioning cam is semicircular, the positioning cam is fixedly connected to the rotating shaft, a supporting boss corresponding to the positioning cam is arranged on the positioning base, the upper plane of the supporting boss is an arc surface, the radian of the upper plane of the supporting boss is consistent with that of the positioning cam, and the positioning cam abuts against the upper arc surface of the supporting boss.

Furthermore, a plurality of tracks are arranged on the positioning base, the air cylinder is fixedly connected with a track sliding block, and the track sliding block is connected to the tracks in a sliding mode.

Furthermore, a connecting hole is formed in the inclined plane fixing block, a fixing hole corresponding to the connecting hole is formed in the drill bush, and the axis of the fixing hole is parallel to the axis of the connecting hole.

Furthermore, the drill bushing is provided with an arc surface, the radian of the arc surface of the drill bushing is consistent with that of the arc surface workpiece, the arc surface of the drill bushing is connected with a drilling bushing in a matched mode, and the axis of the drilling bushing is perpendicular to the arc surface of the arc surface workpiece.

Furthermore, a first positioning block and a second positioning block are fixedly connected to the rotating base, a first positioning hole and a second positioning hole are formed in the drill bushing, and a mounting hole is formed in the cambered surface workpiece.

Furthermore, the cambered surface workpiece and the drill bushing are sequentially sleeved on the first positioning block and the second positioning block, the first positioning hole and the first positioning block are coaxially arranged, and the second positioning hole and the second positioning block are coaxially arranged.

Further, location drilling equipment still includes hexagon socket head cap screw and compact heap, and hexagon socket head cap screw passes compact heap and threaded connection to on first locating piece and the second locating piece, and partial compact heap bottom butt bores the upper surface, and partial compact heap bottom butt cambered surface work piece surface.

Further, the diameter of the first positioning mounting hole is smaller than that of the second positioning hole, the diameter of the pressing block is larger than that of the first positioning hole, and the diameter of the pressing block is smaller than that of the second positioning hole; the diameter of the mounting hole is consistent with that of the first positioning hole.

The utility model has the advantages that:

the cambered surface workpiece is fixedly connected to the rotary base by using a part of the pressing blocks, the drill bushing is fixedly connected to the cambered surface workpiece by using the other part of the pressing blocks, at the moment, the drill bushing is matched with the cambered surface workpiece, and the processing part of the cambered surface workpiece can be accurately positioned by using the drilling bush on the drill bushing; the positioning and rotating device is reused to rotate the rotating base and enable the cambered surface workpiece and the drill bushing to rotate along with the rotating base, and the axis of the drilling bushing corresponding to the machining part on the cambered surface workpiece is perpendicular to the horizontal plane through angle adjustment, so that drilling machining is carried out, the drill bit is effectively prevented from slipping and difficult to position, the surface precision of drilling machining is improved, meanwhile, large-scale production can be realized, and the device has a wide application prospect.

Drawings

Fig. 1 is the utility model discloses a cambered surface punches and uses the stereogram of processing frock.

Fig. 2 is the utility model discloses a cambered surface punches and uses processing frock's right side view.

Fig. 3 isbase:Sub>A partial cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2.

Fig. 4 is a partial sectional view taken along B-B in fig. 2.

Fig. 5 is an exploded view of the processing tool for punching the arc surface of the utility model.

Fig. 6 is the utility model discloses a cambered surface punches and uses the left side view of processing frock.

Fig. 7 is a partial cross-sectional view taken along line C-C of fig. 6.

Fig. 8 is a partial cross-sectional view taken along line D-D of fig. 6.

The parts in the drawings are numbered as follows: 10. positioning a drilling device; 11. drilling a sleeve; 111. a fixing hole; 12. rotating the base; 13. a first positioning hole; 14. a first positioning block; 15. drilling a bushing; 16. a second positioning block; 17. a second positioning hole; 18. a hexagon socket head cap screw; 19. a compression block; 20. positioning a rotating device; 21. positioning a base; 23. a track; 24. a track slider; 25. supporting the boss; 26. positioning the cam; 27. a cylinder; 28. an inclined plane fixing block; 281. connecting holes; 30. a cambered surface workpiece; 31. a rotating shaft; 32. a support frame; 33. and (7) installing holes.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1 and 2, the present invention provides a machining tool for punching a cambered surface, which is used for machining a cambered surface workpiece 30, and includes a positioning and drilling device 10 and a positioning and rotating device 20, wherein the cambered surface workpiece 30 is detachably installed in the positioning and drilling device 10, and the positioning and drilling device 10 is rotatably connected above the positioning and rotating device 20.

Further, location rotary device 20 is equipped with support frame 32 including location base 21, location base 21 both ends, rotationally is connected with pivot 31 between two support frames 32, evenly is equipped with a plurality of location cams 26 along the axial of pivot 31 in the pivot 31, and location cam 26 is the semicircle form, location drilling equipment 10 fixed connection is on the last plane of location cam 26, and pivot 31 tip fixed connection is on the transmission shaft of motor (not shown), the utility model discloses a drive the motor drives pivot 31 and rotates, can drive location cam 26 when pivot 31 pivoted and rotate, and then makes location drilling equipment 10 and internally mounted's cambered surface work piece 30 follow location cam 26 and rotate in step to this, when cambered surface work piece 30 surface machining hole, can be through adjusting pivot 31, make the axis of drill bit (not shown) be perpendicular to the position of waiting to process on cambered surface work piece 30, realize punching fast on cambered surface work piece 30, have higher machining precision simultaneously.

Further, referring to fig. 3 and 4, a supporting boss 25 corresponding to the positioning cam 26 is disposed on the positioning base 21, an upper plane of the supporting boss 25 is an arc surface, an arc degree of the upper plane of the supporting boss 25 is consistent with an arc degree of the positioning cam 26, the positioning cam 26 abuts against the upper arc surface of the supporting boss 25, and the supporting boss 25 provides a supporting function for the positioning cam 26.

Referring to fig. 1 and 4 again, the positioning drilling device 10 includes a drill bushing 11, an arc surface is disposed on the drill bushing 11, the arc surface of the drill bushing 11 is identical to the arc surface of the arc surface workpiece 30, a drilling bushing 15 is cooperatively connected to the arc surface of the drill bushing 11, and an axis of the drilling bushing 15 is perpendicular to the arc surface of the arc surface workpiece 30.

The utility model discloses utilize drilling bush 15 to guide the rig to carry out drilling processing to cambered surface work piece 30, improve the accurate nature of processing, reduce the wearing and tearing to drill bushing 11 simultaneously, improve drill bushing 11's life.

Referring to fig. 3 and 4 again, air cylinders 27 are disposed on both sides of the positioning base 21, an inclined plane fixing block 28 is rotatably connected to an expansion link of the air cylinders 27, and a track sliding block 24 is fixedly connected to the other end of the air cylinders 27.

Specifically, the positioning base 21 is provided with a plurality of rails 23, a rail slider 24 is slidably connected to the rails 23, and an inclined fixing block 28 is rotatably connected to the cylinder 27 by a hinge or a rotating shaft.

In this embodiment, utilize track slider 24 level, vertical migration inclined plane fixed block 28, and then be convenient for install inclined plane fixed block 28 location on the both sides limit of drill bushing 11 for adapt to different drill bushings 11 angles, improve the utility model discloses an suitability.

It will be appreciated that the track slider 24 is fixedly attached to the track 23 by means of a latch (not shown) to improve the stability of the cylinder 27 during use.

Furthermore, the inclined surface of the inclined surface fixing block 28 abuts against the drill bushing 11, a connecting hole 281 is formed in the inclined surface fixing block 28, and a fixing hole 111 corresponding to the connecting hole 281 is formed in the drill bushing 11; preferably, the fixing hole 111 coincides with the attachment hole 281 axis.

The utility model discloses utilize inclined plane fixed block 28 to rotationally connect on cylinder 27, make inclined plane inclination adjustable on the inclined plane fixed block 28, and then guarantee in the use inclined plane inclination on the inclined plane fixed block 28 unanimous with the inclination of drill bushing 11, with this, utilize retaining members such as bolt and nut (not shown) to cooperate with drill bushing 11 and inclined plane fixed block 28 fixed connection, make the inclined plane of inclined plane fixed block 28 laminate on the bottom surface of drill bushing 11, and fully guarantee the laminating area of contact surface, reduce the production in space, the improvement is to the stability of the drilling processing of cambered surface work piece 30.

Referring to fig. 1 and 5, the positioning and drilling device 10 further includes a rotating base 12, the arc-shaped workpiece 30 is detachably connected to the upper plane of the rotating base 12, and the positioning cam 26 is fixedly connected to the lower plane of the rotating base 12. The utility model discloses drive positioning cam 26 and rotate when pivot 31 pivoted, rotating base 12 follows the rotation with cambered surface work piece 30.

Specifically, a first positioning block 14 and a second positioning block 16 are fixedly connected to the rotating base 12, a first positioning hole 13 and a second positioning hole 17 are formed in the drill bushing 11, and the drill bushing 11 is sleeved on the first positioning block 14 and the second positioning block 16; the cambered surface workpiece 30 is located between the drill bushing 11 and the rotating base 12, a mounting hole 33 is formed in the cambered surface workpiece 30, and the cambered surface workpiece 30 is sleeved on the first positioning block 14 and the second positioning block 16. Preferably, the first positioning hole 13 is coaxially arranged with the first positioning block 14, and the second positioning hole 17 is coaxially arranged with the second positioning block 16; preferably, the diameter of the mounting hole 33 is identical to the diameter of the first positioning hole 13.

Further, referring to fig. 6, 7 and 8, the positioning and drilling device 10 further includes a hexagon socket head cap screw 18 and a pressing block 19, wherein the hexagon socket head cap screw 18 passes through the pressing block 19 and is screwed to the first positioning block 14 and the second positioning block 16; the bottom of the partial pressing block 19 abuts against the upper surface of the drill bushing 11, and the bottom of the partial pressing block 19 abuts against the outer surface of the cambered surface workpiece 30.

Specifically, the diameter of the first positioning hole 13 is smaller than the diameter of the second positioning hole 17, the diameter of the pressing block 19 is larger than the diameter of the first positioning hole 13, and the diameter of the pressing block 19 is smaller than the diameter of the second positioning hole 17.

The utility model discloses a concrete operation does:

the method comprises the following steps: the motor is started, the rotating shaft 31 is adjusted, the upper plane of the rotating base 12 is horizontal, the arc-surface workpiece 30 is placed above the rotating base 12, the axis of each mounting hole 33 in the arc-surface workpiece 30 is respectively coincided with the axis of the first positioning block 14 and the axis of the second positioning block 16, the arc-surface workpiece 30 is installed on the rotating base 12 in a matched mode, the inner hexagonal bolt 18 penetrates through the pressing block 19 and is connected to the second positioning block 16 in a threaded mode, the bottom of the pressing block 19 abuts against the arc surface of the arc-surface workpiece 30, the pressing block 19 is enabled to press the arc-surface workpiece 30 through the cooperation of the inner hexagonal bolt 18 and the second positioning block 16, and then the positioning and installation of the arc-surface workpiece 30 are completed.

Step two: the drill bushing 11 is placed above the cambered surface workpiece 30, the axis of a first positioning hole 13 in the drill bushing 11 is made to coincide with the axis of a first positioning block 14, the axis of a second positioning hole 17 is made to coincide with the axis of a second positioning block 16, the drill bushing 11 is installed on the cambered surface workpiece 30 in a matched mode, at the moment, a part of hexagon socket head cap bolts 18 and a part of pressing blocks 19 which are in threaded connection on the second positioning block 16 are located in the second positioning hole 17, the rest of the hexagon socket head cap bolts 18 penetrate through the rest of the pressing blocks 19 and are connected to the first positioning block 14 in a threaded mode, the bottom of the pressing blocks 19 located in the first positioning holes 13 is abutted to the upper surface of the drill bushing 11, the hexagon socket head cap bolts 18 are matched with the first positioning block 14 to enable the pressing blocks 19 to press the drill bushing 11, and then the positioning installation of the drill bushing 11 is completed.

Step three: starting the motor again, rotating the rotary base 12 and enabling the cambered surface workpiece 30 and the drill bushing 11 to rotate along with the rotary base, stopping the rotation of the motor after the axis of the drilling bush 15 is perpendicular to the horizontal plane, connecting the track slide block 24 to the track 23, fixing the inclined plane fixing block 28 to the air cylinder 27, and fixedly connecting the air cylinder 27 to the track slide block 24; and adjusting the track sliding block 24 to enable the inclined plane of the inclined plane fixing block 28 to abut against the bottom surface of the drill bushing 11, rotating and adjusting the inclined plane fixing block 28 to ensure that no gap exists between the inclined plane of the inclined plane fixing block 28 and the bottom surface of the drill bushing 11, and connecting the inclined plane fixing block 28 and the drill bushing 11 into a whole by using fasteners such as the bolts, the nuts and the like to complete the fixed installation of the drill bushing 11.

Step four: and starting a drilling machine (not shown), wherein the drill bit penetrates through the drilling bushing 15 and drills holes in the cambered workpiece 30, and the cambered workpiece 30 is drilled according to all the holes drilled by the drilling bushing 15.

The utility model utilizes a part of the pressing block 19 to fixedly connect the cambered surface workpiece 30 to the rotary base 12, and then utilizes the other part of the pressing block 19 to fixedly connect the drill bushing 11 to the cambered surface workpiece 30, at the moment, the drill bushing 11 is matched with the cambered surface workpiece 30, and the drilling bush 15 on the drill bushing 11 can be utilized to accurately position the processing part of the cambered surface workpiece 30; the positioning and rotating device 20 is used for rotating the rotating base 12, enabling the cambered surface workpiece 30 and the drill bushing 11 to rotate along with the rotating base, and enabling the axis of the drilling bushing 15 corresponding to the machining part on the cambered surface workpiece 30 to be perpendicular to the horizontal plane through angle adjustment, so that the drilling machining is carried out, the drill bit is effectively prevented from slipping and difficult to position, the surface precision of the drilling machining is improved, meanwhile, the large-scale production is facilitated, and the wide application prospect is achieved.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The machining tool for punching the arc surface is used for machining an arc surface workpiece (30) and is characterized by comprising a positioning drilling device (10) and a positioning rotating device (20), wherein the arc surface workpiece (30) is detachably arranged in the positioning drilling device (10), and the positioning drilling device (10) is rotatably connected above the positioning rotating device (20);

a rotating shaft (31) and an air cylinder (27) are arranged in the positioning rotating device (20), a plurality of positioning cams (26) are uniformly arranged on the rotating shaft (31) along the axial direction, the positioning drilling device (10) is fixedly connected to the positioning cams (26), and the telescopic end of the air cylinder (27) is slidably connected with an inclined plane fixing block (28);

the positioning drilling device (10) comprises a rotary base (12), a positioning cam (26) is fixedly connected to the lower plane of the rotary base (12), a drill bushing (11) is arranged above the rotary base (12), the cambered surface workpiece (30) is located between the drill bushing (11) and the rotary base (12), and the inclined surface of the inclined surface fixing block (28) is abutted to the bottom surface of the drill bushing (11).

2. The arc surface punching machining tool according to claim 1, wherein the positioning and rotating device (20) comprises a positioning base (21), supporting frames (32) are arranged at two ends of the positioning base (21), and the rotating shaft (31) is rotatably connected between the two supporting frames (32).

3. The arc surface punching processing tool according to claim 2, wherein the positioning cam (26) is semicircular, the positioning cam (26) is fixedly connected to the rotating shaft (31), the positioning base (21) is provided with a supporting boss (25) corresponding to the positioning cam (26), the upper plane of the supporting boss (25) is an arc surface, the radian of the upper plane of the supporting boss (25) is consistent with that of the positioning cam (26), and the positioning cam (26) abuts against the upper arc surface of the supporting boss (25).

4. The arc surface punching machining tool according to claim 2, wherein a plurality of rails (23) are arranged on the positioning base (21), a rail sliding block (24) is fixedly connected to the air cylinder (27), and the rail sliding block (24) is slidably connected to the rails (23).

5. The cambered surface punching machining tool according to claim 1, wherein a connecting hole (281) is formed in the inclined surface fixing block (28), a fixing hole (111) corresponding to the connecting hole (281) is formed in the drill bushing (11), and the axes of the fixing hole (111) and the connecting hole (281) are aligned.

6. The arc surface punching processing tool according to claim 1, wherein an arc surface is arranged on the drill bushing (11), the arc surface radian of the drill bushing (11) is consistent with the radian of the arc surface workpiece (30), a drilling bushing (15) is connected to the arc surface of the drill bushing (11) in a matched manner, and the axis of the drilling bushing (15) is perpendicular to the arc surface of the arc surface workpiece (30).

7. The arc surface punching machining tool according to claim 1, wherein a first positioning block (14) and a second positioning block (16) are fixedly connected to the rotating base (12), a first positioning hole (13) and a second positioning hole (17) are formed in the drill bushing (11), and a mounting hole (33) is formed in the arc surface workpiece (30).

8. The arc surface punching processing tool according to claim 7, wherein the arc surface workpiece (30) and the drill bushing (11) are sequentially sleeved on the first positioning block (14) and the second positioning block (16), the first positioning hole (13) and the first positioning block (14) are coaxially arranged, and the second positioning hole (17) and the second positioning block (16) are coaxially arranged.

9. The machining tool for punching the cambered surface according to claim 7, wherein the positioning and drilling device (10) further comprises an inner hexagon bolt (18) and a pressing block (19), the inner hexagon bolt (18) penetrates through the pressing block (19) and is in threaded connection with the first positioning block (14) and the second positioning block (16), the bottom of part of the pressing block (19) abuts against the upper surface of the drill bushing (11), and the bottom of part of the pressing block (19) abuts against the outer surface of the cambered surface workpiece (30).

10. The arc surface punching processing tool according to claim 9, wherein the diameter of the first positioning hole (13) is smaller than that of the second positioning hole (17), the diameter of the pressing block (19) is larger than that of the first positioning hole (13), and the diameter of the pressing block (19) is smaller than that of the second positioning hole (17); the diameter of the mounting hole (33) is consistent with that of the first positioning hole (13).