CN114101811A

CN114101811A - Tapping equipment suitable for curved plate and tapping processing technology thereof

Info

Publication number: CN114101811A
Application number: CN202111494157.0A
Authority: CN
Inventors: 陈宏松
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-03-01

Abstract

The invention relates to the field of tapping, in particular to equipment suitable for tapping a curved plate and a tapping processing technology thereof. This adaptation curved plate tapping equipment installs subaerial first backup pad including the symmetry, be equipped with the fixed support device that can adapt to different curved plates in the first backup pad, the middle part is equipped with the clearance positioner that can adjust to aim at the reservation hole site in the fixed support device, the upside is equipped with the chasing bar that prevents the screw tap fracture in the fixed support device. The screw tap positioning device has the advantages that the second sliding rod can rotate to adapt to the change of the curved surface, the rubber blocks are matched with each other to fix the curved surface plate, the fourth sliding rod and the sixth sliding rod are matched for positioning, so that the positioning of the screw tap is more accurate, meanwhile, the fourth sliding rod can clean the surface of the curved surface plate, when the tapping is started, the second supporting rod can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken in a workpiece.

Description

Tapping equipment suitable for curved plate and tapping processing technology thereof

Technical Field

The invention relates to the field of tapping, in particular to equipment suitable for tapping a curved plate and a tapping processing technology thereof.

Background

Tapping means that a tap is screwed into a bottom hole to be drilled with a certain torque to machine an internal thread. Currently, the general tapping process is manual operation or tapping process for the product by using a tapping machine. The prior art has several problems:

1. the plane of tapping needs to be perpendicular to the screw tap, so that the production process of the product with the curved surface is limited, the curved surface of the product can be formed only by tapping on the plane, but the tapped part can be damaged when the curved surface is formed subsequently.

2. The curved plate is not easy to fix, lacks specific positioning device, and its tapping operation is comparatively difficult, and not only machining efficiency is low, and the defective percentage is high moreover.

3. When the tap is broken in the workpiece, the workpiece is easily damaged due to taking out trouble.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides equipment and a process for tapping the curved plate, wherein the equipment and the process have the advantages that the second sliding rod can rotate to adapt to the change of the curved surface, the curved plate is fixed by the aid of the matching of rubber blocks, the fourth sliding rod and the sixth sliding rod are matched and positioned, so that a screw tap is positioned more accurately, the surface of the curved plate can be cleaned by the fourth sliding rod, and when tapping is started, the second supporting rod can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken in a workpiece.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an adapt to curved plate tapping equipment and tapping processing technology thereof, this adapt to curved plate tapping equipment includes that the symmetry is installed at subaerial first backup pad, be equipped with the fixed stay device that can adapt to different curved plates in the first backup pad, the middle part is equipped with the clearance positioner that can adjust to aim at and reserve the hole site in the fixed stay device, the upside is equipped with the tapping device who prevents the screw tap fracture in the fixed stay device.

Preferably, the fixed supporting device further comprises a second supporting plate fixedly connected to two sides of the upper end of the first supporting plate, the other two sides of the upper end of the first supporting plate are movably connected with a switch door, the upper end of the second supporting plate is fixedly connected with a third supporting plate, the upper end of the third supporting plate is fixedly connected with a hydraulic tank, four sides of the upper end of the first supporting plate and the lower end of the third supporting plate are fixedly connected with first supporting rods, each first supporting rod is provided with a first hydraulic cavity, each first sliding rod is arranged in the first hydraulic cavity in a sliding mode, each first sliding rod is fixedly connected with a fourth supporting plate in a bilateral symmetry mode, the outer end of each first sliding rod is fixedly connected with a fourth supporting plate, a first sliding block is arranged between the fourth supporting plates in a sliding mode, and each first sliding block is fixedly connected with a first spring between the inward end of each first sliding rod.

Preferably, every first slider upper end is close to fourth backup pad both sides fixed connection fifth backup pad, every the first axis of rotation of fifth backup pad internal rotation connection, fixed connection second slide bar between the first axis of rotation is equipped with the torsional spring between every second slide bar and the fifth backup pad, every be equipped with first spout in the second slide bar, every it is equipped with the third slide bar, every to slide in the first spout third slide bar outer end fixed connection rubber block, every fourth backup pad below is equipped with the second spout in the first backup pad, every it is equipped with the second slider, every to slide in the second spout second slider upper end fixed connection sixth backup pad, every first axis of rotation is connected in the sixth backup pad internal rotation.

Preferably, every be equipped with first hydraulic pressure in the first slide bar and say, every be equipped with second hydraulic pressure in the second slider and say, every be equipped with third hydraulic pressure in the second slide bar and say, every the bilateral symmetry is fixed in the fourth backup pad and is equipped with fourth hydraulic pressure and say, every fourth hydraulic pressure says and is equipped with first pneumatic cylinder with second slider middle part, every the hydraulic stem that fourth hydraulic pressure said is fixed connection clutch blocks inwards, every fourth backup pad outer end fixed connection seventh backup pad of one side inwards, every seventh backup pad outer end is equipped with the third spout, every it is equipped with the third slider to slide in the third spout, every third slider outer end fixed connection eighth backup pad, every eighth backup pad upper end bilateral symmetry fixed connection ninth backup pad, rotate between the ninth backup pad and connect electronic gyro wheel.

Preferably, clearance positioner is including establishing at the inboard fourth spout of every second backup pad, every it is equipped with the fourth slider to slide in the fourth spout, fixed connection tenth backup pad between the fourth slider, be equipped with a plurality of fifth spout, every along the axial in the tenth backup pad it is equipped with the fourth slide bar, every to slide in the fifth spout be equipped with the fourth slide bar, every fixed connection second spring between fourth slide bar upper end and the fifth spout, every be equipped with first wind channel in the fourth slide bar, second backup pad outer end fixed connection negative pressure chamber, every it is equipped with the second wind channel to connect between first wind channel and the negative pressure chamber, every the other sixth spout that is equipped with of fifth spout, every it is equipped with the fifth slider to slide in the sixth spout, every fixed connection between fifth slider and the fourth slide bar.

Preferably, a second hydraulic cavity is arranged below each sixth sliding groove, a sixth sliding block is arranged in each second hydraulic cavity in a sliding mode, the upper end of each sixth sliding block is fixedly connected with a fifth sliding block, a third hydraulic cavity is arranged beside each second hydraulic cavity, each fifth hydraulic channel is fixedly connected between each second hydraulic cavity and each third hydraulic cavity, a fifth sliding rod is arranged in each third hydraulic cavity in a sliding mode, a seventh sliding groove is formed in the lower end of the tenth supporting plate, a seventh sliding block is arranged in each seventh sliding groove in a sliding mode, the lower end of each seventh sliding block is fixedly connected with an eighth sliding block, an eighth sliding groove is formed in each eighth sliding block, a sixth sliding rod is arranged in each eighth sliding groove in a sliding mode, and a third spring is fixedly connected between the upper end of each sixth sliding rod and the eighth sliding groove.

Preferably, the tapping device comprises a ninth chute arranged in the center of the lower end of the third support plate, a ninth slider is arranged in the ninth chute in a sliding manner, the lower end of the ninth slider is fixedly connected with a second hydraulic cylinder, a hydraulic rod of the second hydraulic cylinder is fixedly connected with a servo motor downwards, the output end of the servo motor faces towards an eleventh support plate which is fixedly connected with a plurality of second support rods along the circumferential direction in the eleventh support plate, and a screw tap clamp is fixedly connected between the second support rods.

Preferably, the tapping device and the tapping process for the curved plate comprise the following steps:

s1: the electric roller rolls to convey the curved plate forwards at a constant speed, and the fourth slide bar is attached to the surface of the curved plate to clean impurities;

s2: when a fourth slide bar falls into the positioning hole, the electric roller retracts the first slide bar to extend, so that the rubber block adapts to the curved surface during rotation and is fixed;

s3: the eighth sliding block moves to the position close to the positioning hole to drive the ninth sliding block to move until the sixth sliding rod falls into the positioning hole, the ninth sliding block is fixed at the position, and the tenth supporting plate moves back to the original position;

s4: the tapping is started, the second supporting rod can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken inside a workpiece.

Has the advantages that:

1. the second slide bar can rotate and adapt to the change of curved surface, and the rubber piece is mutually supported and is fixed the curved plate.

2. The fourth slide bar and the sixth slide bar are matched for positioning, so that the positioning of the screw tap is more accurate, and meanwhile, the surface of the curved surface can be cleaned up by the fourth slide bar.

3. When the tapping is started, the second supporting rod can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken inside a workpiece.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 2 at D;

FIG. 7 is a partial cross-sectional view taken at E in FIG. 6;

in the figure: 10. fixing the supporting device; 11. cleaning the positioning device; 12. a tapping device; 13. a first support plate; 14. a second support plate; 15. opening and closing the door; 16. a third support plate; 17. a hydraulic tank; 18. a first support bar; 19. a first hydraulic chamber; 20. a first slide bar; 21. a fourth support plate; 22. a first slider; 23. a first spring; 24. a fifth support plate; 25. a first rotating shaft; 26. a second slide bar; 27. a first chute; 28. a third slide bar; 29. a rubber block; 30. a second chute; 31. a second slider; 32. a sixth support plate; 33. a first hydraulic passage; 34. a second hydraulic passage; 35. a third hydraulic passage; 36. a first hydraulic cylinder; 37. a fourth hydraulic passage; 38. a friction block; 39. a seventh support plate; 40. a third chute; 41. a third slider; 42. an eighth support plate; 43. a ninth support plate; 44. an electric roller; 45. a fourth chute; 46. a fourth slider; 47. a tenth support plate; 48. a fifth chute; 49. a fourth slide bar; 50. a second spring; 51. a first air duct; 52. a second air duct; 53. a negative pressure chamber; 54. a sixth chute; 55. a fifth slider; 56. a sixth slider; 57. a second hydraulic chamber; 58. a fifth hydraulic passage; 59. a third hydraulic chamber; 60. a fifth slide bar; 61. a seventh chute; 62. a seventh slider; 63. an eighth slider; 64. an eighth chute; 65. a sixth slide bar; 66. a third spring; 67. a ninth chute; 68. a ninth slider; 69. a second hydraulic cylinder; 70. a servo motor; 71. an eleventh support plate; 72. a second support bar; 73. a tap clamp.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

With reference to the accompanying drawings 1-7, the adaptive curved plate tapping device comprises a first supporting plate 13 symmetrically mounted on the ground, a fixing and supporting device 10 capable of adapting to different curved plates is arranged on the first supporting plate 13, a cleaning and positioning device 11 capable of adjusting and aligning reserved hole positions is arranged in the middle of the fixing and supporting device 10, and a tapping device 12 capable of preventing screw taps from breaking is arranged on the inner upper side of the fixing and supporting device 10.

Further, with reference to fig. 1, 2, 3 and 4, the fixed supporting device 10 further includes a second supporting plate 14 fixedly connected to two sides of the upper end of the first supporting plate 13, two other sides of the upper end of the first supporting plate 13 are movably connected to the switch door 15, the upper end of the second supporting plate 14 is fixedly connected to a third supporting plate 16, the upper end of the third supporting plate 16 is fixedly connected to a hydraulic tank 17, four sides of the upper end of the first supporting plate 13 and the lower end of the third supporting plate 16 are fixedly connected to first supporting rods 18, each first supporting rod 18 is provided with a first hydraulic cavity 19, each first hydraulic cavity 19 is slidably provided with a first slide bar 20 therein, two sides of the outer end of each first slide bar 20 are symmetrically and fixedly connected to a fourth supporting plate 21, a first slide block 22 is slidably provided between the fourth supporting plates 21, and a first spring 23 is fixedly connected between one inward end of each first slide block 22 and the first slide bar 20.

Further, with reference to fig. 2, 3, 4, and 5, fifth support plates 24 are fixedly connected to two sides of each first slider 22 close to the fourth support plate 21, each fifth support plate 24 is rotatably connected to a first rotating shaft 25, second sliding rods 26 are fixedly connected between the first rotating shafts 25, a torsion spring is arranged between each second sliding rod 26 and the fifth support plate 24, a first sliding groove 27 is arranged in each second sliding rod 26, a third sliding rod 28 is slidably arranged in each first sliding groove 27, the outer end of each third sliding rod 28 is fixedly connected to a rubber block 29, a second sliding groove 30 is arranged below the fourth support plate 21 in each first support rod 18, a second slider 31 is slidably arranged in each second sliding groove 30, a sixth support plate 32 is fixedly connected to the upper end of each second slider 31, and each first rotating shaft 25 is rotatably connected to the sixth support plate 32.

Further, in conjunction with fig. 2 and 3, 4 and 5, a first hydraulic channel 33 is arranged in each first sliding rod 20, a second hydraulic channel 34 is arranged in each second sliding block 31, a third hydraulic channel 35 is arranged in each second sliding rod 26, fourth hydraulic channels 37 are symmetrically and fixedly arranged on two sides in each fourth supporting plate 21, a first hydraulic cylinder 36 is arranged in the middle of each fourth hydraulic channel 37 and the second sliding block 31, a hydraulic rod of each fourth hydraulic channel 37 is fixedly connected with a friction block 38 inwards, the outer end of each fourth supporting plate 21 on one side inwards is fixedly connected with a seventh supporting plate 39, the outer end of each seventh supporting plate 39 is provided with a third sliding chute 40, a third sliding block 41 is arranged in each third sliding chute 40 in a sliding manner, the outer end of each third sliding block 41 is fixedly connected with an eighth supporting plate 42, ninth supporting plates 43 are symmetrically and fixedly connected with two sides of the upper end of each eighth supporting plate 42, and electric rollers 44 are rotatably connected between the ninth supporting plates 43.

Further, with reference to fig. 2 and 6, the cleaning and positioning device 11 includes fourth sliding grooves 45 disposed inside each second supporting plate 14, a fourth sliding block 46 is slidably disposed in each fourth sliding groove 45, a tenth supporting plate 47 is fixedly connected between the fourth sliding blocks 46, a plurality of fifth sliding grooves 48 are axially disposed in the tenth supporting plate 47, a fourth sliding rod 49 is slidably disposed in each fifth sliding groove 48, a second spring 50 is fixedly connected between the upper end of each fourth sliding rod 49 and the fifth sliding groove 48, a first air duct 51 is disposed in each fourth sliding rod 49, a negative pressure chamber 53 is fixedly connected to the outer end of the second supporting plate 14, a second air duct 52 is connected between each first air duct 51 and the negative pressure chamber 53, a sixth sliding groove 54 is disposed beside each fifth sliding groove 48, a fifth sliding block 55 is slidably disposed in each sixth sliding groove 54, and each fifth sliding block 55 is fixedly connected to the fourth sliding rod 49.

Further, with reference to fig. 2, 6 and 7, a second hydraulic cavity 57 is arranged below each sixth sliding chute 54, a sixth sliding block 56 is slidably arranged in each second hydraulic cavity 57, the upper end of each sixth sliding block 56 is fixedly connected with the fifth sliding block 55, a third hydraulic cavity 59 is arranged beside each second hydraulic cavity 57, a fifth hydraulic channel 58 is fixedly connected between each second hydraulic cavity 57 and the third hydraulic cavity 59, a fifth sliding rod 60 is slidably arranged in each third hydraulic cavity 59, a seventh sliding chute 61 is arranged at the lower end of the tenth supporting plate 47, a seventh sliding block 62 is slidably arranged in the seventh sliding chute 61, an eighth sliding block 63 is fixedly connected to the lower end of the seventh sliding block 62, an eighth sliding chute 64 is arranged in the eighth sliding block 63, a sixth sliding rod 65 is slidably arranged in the eighth sliding chute 64, and a third spring 66 is fixedly connected between the upper end of the sixth sliding rod 65 and the eighth sliding chute 64.

Further, with reference to fig. 1 and 2, the tapping device 12 includes a ninth sliding slot 67 formed in the center of the lower end of the third supporting plate 16, a ninth slider 68 is slidably disposed in the ninth sliding slot 67, the lower end of the ninth slider 68 is fixedly connected to a second hydraulic cylinder 69, a hydraulic rod of the second hydraulic cylinder 69 is fixedly connected to a servo motor 70 downward, an output end of the servo motor 70 faces towards an eleventh supporting plate 71, a plurality of second supporting rods 72 are fixedly connected to the eleventh supporting plate 71 along the circumferential direction, and screw tap clamps 73 are fixedly connected between the second supporting rods 72.

Further, with reference to fig. 1-7, the tapping apparatus and the tapping process for a curved plate comprise the following steps:

s1: the electric roller 44 rolls to convey the curved plate forwards at a constant speed, and the fourth sliding rod 49 is attached to the surface of the curved plate to clean impurities;

s2: when a fourth slide bar 49 falls into the positioning hole, the motorized roller 44 retracts the first slide bar 20 to extend, so that the rubber block 29 adapts to the curved surface during rotation and then is fixed;

s3: the eighth sliding block 63 moves to the vicinity of the positioning hole to drive the ninth sliding block 68 to move until the sixth sliding bar 65 falls into the positioning hole, the ninth sliding block 68 is fixed at this position, and the tenth supporting plate 47 moves back to the original position;

s4: starting the tapping, the second supporting rod 72 can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken inside a workpiece.

The working principle is as follows: the first sliding rod 20 extends to drive the fourth supporting plate 21 to move inwards, the fourth supporting plate 21 drives the seventh supporting plate 39 to move inwards, the seventh supporting plate 39 drives the third sliding block 41 to move inwards, the third sliding block 41 drives the eighth supporting plate 42 to move inwards, the eighth supporting plate 42 drives the ninth supporting plate 43 to move inwards, the ninth supporting plate 43 drives the electric roller 44 to move inwards to support the curved plate, the curved plate drives the fourth sliding rod 49 to move upwards, the fourth sliding rod 49 drives the fifth sliding block 55 to move upwards, the fifth sliding block 55 drives the sixth sliding block 56 to move upwards, so that hydraulic oil in the third hydraulic cavity 59 enters the second hydraulic cavity 57 through the fifth hydraulic channel 58, and the fifth sliding rod 60 moves upwards. The electric roller 44 rotates to drive the curved plate to move, a negative pressure chamber 53 is started, the surface of the curved plate is cleaned up in the moving process of the curved plate through a first air duct 51 and a second air duct 52, the diameter of a fourth slide bar 49 is half of that of a positioning hole, the diameter of a sixth slide bar 65 is equal to that of the positioning hole, when the fourth slide bar 49 falls into the positioning hole, the fourth slide bar 49 drives a fifth slide block 55 to move downwards, the fifth slide block 55 drives a sixth slide block 56 to move downwards, so that hydraulic oil in a second hydraulic cavity 57 enters a third hydraulic cavity 59 through a fifth hydraulic duct 58, the fifth slide bar 60 extends out, the seventh slide block 62 moves to the vicinity of the fourth slide bar 49 along a seventh slide groove 61, a ninth slide block 68 moves along with the seventh slide block 62, the seventh slide block 62 drives an eighth slide block 63 to move forwards, the eighth slide block 63 drives the sixth slide bar 65 to move forwards, the eighth slide block 63 pushes the fifth slide bar 60 upwards to retract the falling fourth slide bar 49, the fourth slider 46 moves to the left to drive the tenth supporting plate 47 to move to the left, the tenth supporting plate 47 drives the seventh slider 62 to move to the left, the seventh slider 62 is moved continuously, and when the sixth sliding rod 65 falls into the positioning hole, the ninth slider 68 is fixed, so that the tap is aligned with the positioning hole.

The first slide bar 20 continues to extend to drive the fourth support plate 21 to move inwards, the third slide block 41 moves outwards to drive the eighth support plate 42 to move outwards, the eighth support plate 42 moves outwards to drive the ninth support plate 43 to move outwards, the ninth support plate 43 moves outwards to drive the electric roller 44 to move outwards, the fourth support plate 21 drives the first slide block 22 to move inwards, the first slide block 22 drives the fifth support plate 24 to move inwards, the fifth support plate 24 drives the first rotating shaft 25 to move inwards, the first rotating shaft 25 drives the second slide bar 26 to move inwards, the second slide bar 26 drives the third slide bar 28 to move inwards, the third slide bar 28 drives the rubber block 29 to move inwards, when the rubber block 29 abuts against the curved plate, the rubber block 29 drives the third slide bar 28 to rotate, the third slide bar 28 drives the second slide bar 26 to rotate, the second slide bar 26 drives the first rotating shaft 25 to rotate, so that the rubber block 29 fits the curved surface, the second slide block 31 moves downwards along the second slide groove 30, the first hydraulic channel 33 and the second hydraulic channel 34 communicate with hydraulic oil in the first hydraulic cavity 19 and enter a fourth hydraulic channel 37 through a first hydraulic cylinder 36, so that the hydraulic rod of the fourth hydraulic channel 37 extends to drive a friction block 38 to move inwards to clamp the first rotating shaft 25, and the hydraulic oil enters the first slide groove 27 through the third hydraulic channel 35 so that the third slide rod 28 extends to drive a rubber block 29 to move relatively to fix the curved plate.

Start the tapping, the hydraulic stem extension of second hydraulic cylinder 69 drives servo motor 70 down and removes, start servo motor 70, servo motor 70's output drives the rotatory down removal of eleventh backup pad 71, eleventh backup pad 71 drives the rotatory down removal of second bracing piece 72, second bracing piece 72 drives the screw tap and presss from both sides 73 rotation and down removes, screw tap presss from both sides 73 and drives the rotatory down removal tapping of screw tap, when the screw tap meets big resistance and will want the fracture, the first step fracture of second bracing piece 72, avoid the screw tap fracture inside the work piece.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an adaptation curved plate tapping equipment and tapping processing technology thereof, its characterized in that, this adaptation curved plate tapping equipment includes that the symmetry is installed at subaerial first backup pad (13), be equipped with fixed support device (10) that can adapt to different curved plates on first backup pad (13), the middle part is equipped with clearance positioner (11) that can adjust to aim at and reserve the hole site in fixed support device (10), upside is equipped with tapping device (12) that prevent the screw tap fracture in fixed support device (10).

2. The curved plate tapping device and the tapping process thereof according to claim 1, wherein the fixed supporting device (10) further comprises a second supporting plate (14) fixedly connected to two sides of the upper end of the first supporting plate (13), the other two sides of the upper end of the first supporting plate (13) are movably connected with a switch door (15), the upper end of the second supporting plate (14) is fixedly connected with a third supporting plate (16), the upper end of the third supporting plate (16) is fixedly connected with a hydraulic tank (17), the four sides of the upper end of the first supporting plate (13) and the lower end of the third supporting plate (16) are fixedly connected with first supporting rods (18), each first supporting rod (18) is provided with a first hydraulic cavity (19), each first hydraulic cavity (19) is slidably provided with a first sliding rod (20), the two sides of the outer end of each first sliding rod (20) are symmetrically and fixedly connected with a fourth supporting plate (21), first sliding blocks (22) are arranged between the fourth supporting plates (21) in a sliding mode, and a first spring (23) is fixedly connected between one inward end of each first sliding block (22) and the first sliding rod (20).

3. The curved plate-adapting tapping device and the tapping process thereof according to claim 2, wherein the upper end of each first sliding block (22) is close to the fifth support plate (24) fixedly connected to both sides of the fourth support plate (21), each fifth support plate (24) is rotatably connected to a first rotating shaft (25), the first rotating shafts (25) are fixedly connected to second sliding rods (26), a torsion spring is arranged between each second sliding rod (26) and the fifth support plate (24), a first sliding groove (27) is arranged in each second sliding rod (26), a third sliding rod (28) is slidably arranged in each first sliding groove (27), a rubber block (29) is fixedly connected to the outer end of each third sliding rod (28), a second sliding groove (30) is arranged below the fourth support plate (21) in each first support rod (18), and a second sliding block (31) is slidably arranged in each second sliding groove (30), the upper end of each second sliding block (31) is fixedly connected with a sixth supporting plate (32), and each first rotating shaft (25) is rotatably connected in the sixth supporting plate (32).

4. The curved plate-adapting tapping device and the tapping process thereof according to claim 3, wherein a first hydraulic channel (33) is provided in each first sliding rod (20), a second hydraulic channel (34) is provided in each second sliding block (31), a third hydraulic channel (35) is provided in each second sliding rod (26), fourth hydraulic channels (37) are symmetrically and fixedly provided in each fourth supporting plate (21) at two sides, a first hydraulic cylinder (36) is provided in the middle of each fourth hydraulic channel (37) and the second sliding block (31), a hydraulic rod of each fourth hydraulic channel (37) is fixedly connected with a friction block (38) inwards, a seventh supporting plate (39) is fixedly connected with the outer end of each fourth supporting plate (21) at one side inwards, a third sliding groove (40) is provided at the outer end of each seventh supporting plate (39), and a third sliding block (41) is slidably provided in each third sliding groove (40), the outer end of each third sliding block (41) is fixedly connected with an eighth supporting plate (42), the two sides of the upper end of each eighth supporting plate (42) are symmetrically and fixedly connected with ninth supporting plates (43), and electric rollers (44) are rotatably connected between the ninth supporting plates (43).

5. The curved plate tapping device and the tapping process thereof according to claim 4, wherein the cleaning and positioning device (11) comprises fourth sliding grooves (45) formed inside each second supporting plate (14), a fourth sliding block (46) is slidably arranged in each fourth sliding groove (45), tenth supporting plates (47) are fixedly connected between the fourth sliding blocks (46), a plurality of fifth sliding grooves (48) are axially formed in the tenth supporting plates (47), a fourth sliding rod (49) is slidably arranged in each fifth sliding groove (48), a second spring (50) is fixedly connected between the upper end of each fourth sliding rod (49) and the fifth sliding groove (48), a first air duct (51) is formed in each fourth sliding rod (49), a negative pressure chamber (53) is fixedly connected to the outer end of each second supporting plate (14), and a second air duct (52) is connected between each first air duct (51) and the negative pressure chamber (53), a sixth sliding chute (54) is arranged beside each fifth sliding chute (48), a fifth sliding block (55) is arranged in each sixth sliding chute (54) in a sliding manner, and each fifth sliding block (55) is fixedly connected with a fourth sliding rod (49).

6. The curved plate-adapting tapping device and the tapping process thereof according to claim 5, wherein a second hydraulic cavity (57) is arranged below each sixth sliding chute (54), a sixth sliding block (56) is slidably arranged in each second hydraulic cavity (57), the upper end of each sixth sliding block (56) is fixedly connected with a fifth sliding block (55), a third hydraulic cavity (59) is arranged beside each second hydraulic cavity (57), a fifth hydraulic channel (58) is fixedly connected between each second hydraulic cavity (57) and the third hydraulic cavity (59), a fifth sliding rod (60) is slidably arranged in each third hydraulic cavity (59), a seventh sliding chute (61) is arranged at the lower end of the tenth supporting plate (47), a seventh sliding block (62) is slidably arranged in the seventh sliding chute (61), and an eighth sliding block (63) is fixedly connected at the lower end of the seventh sliding block (62), an eighth sliding chute (64) is formed in the eighth sliding block (63), a sixth sliding rod (65) is arranged in the eighth sliding chute (64) in a sliding mode, and a third spring (66) is fixedly connected between the upper end of the sixth sliding rod (65) and the eighth sliding chute (64).

7. The curved plate-adapting tapping device and the tapping process thereof according to claim 6, wherein the tapping device (12) comprises a ninth sliding groove (67) formed in the center of the lower end of the third support plate (16), a ninth sliding block (68) is slidably arranged in the ninth sliding groove (67), the lower end of the ninth sliding block (68) is fixedly connected with a second hydraulic cylinder (69), a hydraulic rod of the second hydraulic cylinder (69) faces downwards and is fixedly connected with a servo motor (70), the output end of the servo motor (70) faces towards and is fixedly connected with an eleventh support plate (71), a plurality of second support rods (72) are fixedly connected in the eleventh support plate (71) along the circumferential direction, and a screw tap clamp (73) is fixedly connected between the second support rods (72).

8. The apparatus and process of claim 7, wherein the apparatus and process comprises the following steps:

s1: an electric roller (44) rolls to convey the curved plate forwards at a constant speed, and a fourth sliding rod (49) is attached to the surface of the curved plate to clean impurities;

s2: when a fourth slide bar (49) falls into the positioning hole, the electric roller (44) retracts the first slide bar (20) to extend, so that the rubber block (29) is adapted to the curved surface during rotation and then is fixed;

s3: the eighth slide block (63) moves to the position close to the positioning hole to drive the ninth slide block (68) to move until the sixth slide bar (65) falls into the positioning hole, the ninth slide block (68) is fixed at the position, and the tenth support plate (47) moves back to the original position;

s4: the tapping is started, the second supporting rod (72) can be broken in one step before the screw tap is broken, and the screw tap is prevented from being broken inside a workpiece.