CN114750046A

CN114750046A - Thin-walled tube rust removal device for machining

Info

Publication number: CN114750046A
Application number: CN202210364821.8A
Authority: CN
Inventors: 薛兵
Original assignee: Bengbu Jinning Industrial Design Co ltd
Current assignee: Bengbu Jinning Industrial Design Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-15

Abstract

The invention discloses a thin-wall pipe rust removal device for machining, and relates to the technical field of machining. The invention comprises a base, wherein a protective shell is fixed at the top of the base, a motor is fixed on the left side of the protective shell, an output shaft of the motor penetrates through and is rotatably installed on the left side of the protective shell, a reciprocating screw rod is rotatably installed on the top of the inner wall of the protective shell, the reciprocating screw rod is in transmission connection with the outer side of the output shaft of the motor through a belt pulley group, and the outer side of the reciprocating screw rod slides to penetrate through and is in sliding connection with the top of a half-arc frame. According to the invention, the threaded rod is matched with the threaded disc, so that the threaded rod drives the threaded disc to move towards the direction of the rotating roller, and the threaded disc drives the arc-shaped sliding plate to slide along the inner part of the sliding groove disc through the push connecting rod, so that the arc-shaped sliding plate supports the inner wall of the thin-wall pipe fitting, the problem of stress deformation of the thin-wall pipe fitting during rust removal is avoided, and the safety of rust removal is improved.

Description

Thin-walled tube rust removal device for machining

Technical Field

The invention relates to the technical field of machining, in particular to a thin-wall pipe derusting device for machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. According to the difference on the processing mode, can divide into cutting process and pressure work, to the rust cleaning of pipe fitting, be a very common step of pipe fitting machining, the pipe fitting is very easily received the influence of factors such as air humidity and air quality in the in-process of using and saving, leads to the metal tubular product surface oxidation, and then leads to the metal tubular product to rust, influences the use and the secondary recycle of metal tubular product, so will carry out the rust cleaning to the surface of metal tubular product.

Most of the existing thin-wall pipe fittings are directly ground and polished on the surfaces of the pipe fittings in the rust removing process, and in the rust removing mode, the pressure of a grinding or polishing mechanism on the pipe fittings is difficult to control, and the thin-wall pipe fittings are easy to deform, so that the thin-wall pipe fitting rust removing device for machining is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a thin-wall pipe derusting device for machining, which solves the problems in the background art.

In order to realize the purpose, the invention is realized by the following technical scheme: a thin-walled tube rust removing device for machining comprises a base, wherein a protective shell is fixed at the top of the base, a motor is fixed on the left side of the protective shell, an output shaft of the motor penetrates through and is rotatably installed on the left side of the protective shell, a reciprocating lead screw is rotatably installed at the top of the inner wall of the protective shell and is in transmission connection with the outer side of the output shaft of the motor through a belt pulley group, the outer side of the reciprocating lead screw slides through and is in sliding connection with the top of a semi-arc frame, a T-shaped friction arc plate penetrates through and is slidably installed on the front surface and the back surface of the semi-arc frame, an anti-deformation device is arranged inside the protective shell and comprises a rotating roller, the rotating roller is rotatably installed inside the protective shell and is fixed on the output shaft of the motor, a sliding groove disc is fixed on the outer side of the left side of the rotating roller, and an arc-shaped sliding plate is slidably installed inside the sliding groove disc, the right side of the rotary roller is rotatably provided with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded disc, and the outer side of the threaded disc is movably connected with one side, away from the chute disc, of the arc-shaped sliding plate through a connecting rod.

Preferably, the T-shaped friction arc plate is elastically connected with the outer side of the semi-arc frame through a spring, a derusting strip is arranged on one side, close to the rotating roller, of the T-shaped friction arc plate, and the derusting strip of the T-shaped friction arc plate is obliquely arranged.

Preferably, the number of the arc-shaped sliding plates is multiple, and the arc-shaped sliding plates are uniformly arranged on the outer side of the rotary roller.

Preferably, the front and the back of half arc frame all are provided with the anti-splash device, the anti-splash device includes the U-shaped arc board, the outside at half arc frame is fixed to the U-shaped arc board, one side that the U-shaped arc board is close to the commentaries on classics roller is fixed with the U-shaped swash plate.

Preferably, a knocking device is arranged on one side, away from the rotating roller, of the semi-arc frame and comprises a convex plate and an elastic convex ball rod, the convex plate is fixed on the inner wall of the protective shell, the elastic convex ball rod is fixed on one side, away from the rotating roller, of the U-shaped arc plate, and a knocking rod is fixed on one side, close to the U-shaped arc plate, of the elastic convex ball rod.

Preferably, the U-shaped inclined plate is obliquely arranged, and a gap of two centimeters is reserved between the U-shaped inclined plate and the U-shaped arc plate.

Preferably, the knocking rod is in contact with the U-shaped arc plate and one side of the semi-arc frame, which is far away from the rotating roller, a convex block is fixed at the top of the convex plate, a convex ball is fixed at one end, which is far away from the U-shaped arc plate, of the elastic convex ball rod, and the convex block of the convex plate is in contact with the convex ball of the elastic convex ball rod.

Preferably, the bottom of base is provided with dust collector, dust collector includes the trapezoidal shell, the trapezoidal shell inlays the bottom at the base, one side of trapezoidal shell and dust extraction's induction port fixed connection, dust extraction fixes the bottom at the base, dust extraction's gas outlet department is fixed with the collection bag, the bull stick is installed in the inside rotation of trapezoidal shell, through torsional spring elastic connection between the inner wall of bull stick and trapezoidal shell, bull stick left side top is fixed with to the feeler lever, the outside of bull stick is fixed with the swinging arms.

Preferably, the number of the swing plates is several, and the adjacent swing plates are arranged on the outer side of the rotating rod in a staggered mode.

Preferably, a half-arc block is fixed on the outer side of the sliding groove disc, and the half-arc block of the sliding groove disc is in contact with the top of the butting rod.

The invention provides a thin-wall pipe rust removing device for machining. The method has the following beneficial effects:

(1) according to the invention, the threaded rod is matched with the threaded disc, so that the threaded rod drives the threaded disc to move towards the direction of the rotating roller, and the threaded disc drives the arc-shaped sliding plate to slide along the inner part of the sliding groove disc through the push connecting rod, so that the arc-shaped sliding plate supports the inner wall of the thin-wall pipe fitting, the problem of stress deformation of the thin-wall pipe fitting during rust removal is avoided, and the safety of rust removal is improved.

(2) According to the invention, through the arrangement of the U-shaped arc plate and the U-shaped inclined plate, the U-shaped arc plate blocks splashed rust blocks, so that the problem that the rust blocks are splashed to cause injury to a human body is avoided, and meanwhile, the U-shaped inclined plate can block rebounded rust blocks sputtered onto the U-shaped arc plate, so that the problem that the rebounded rust blocks are ejected and attached to the thin-wall pipe fitting to cause the T-shaped friction arc plate to carry out secondary rust removal on the thin-wall pipe fitting is avoided, and the service life of a rust removing strip of the T-shaped friction arc plate is prolonged.

(3) According to the invention, the convex ball of the elastic convex ball rod is matched with the convex block of the convex block plate, so that the convex block of the convex block plate drives the knocking rod to be far away from the T-shaped friction arc plate and the U-shaped arc plate by pushing the convex ball of the elastic convex ball rod, when the convex block of the convex block plate does not push the convex ball of the elastic convex ball rod, the elastic convex ball rod resets under the action of self elastic force and drives the knocking rod to knock the T-shaped friction arc plate and the U-shaped arc plate, and the T-shaped friction arc plate and the U-shaped arc plate vibrate and shake off rust blocks attached to the T-shaped friction arc plate and the U-shaped arc plate, thereby reducing the maintenance frequency of workers on the T-shaped friction arc plate and the U-shaped arc plate.

(4) According to the invention, through the arrangement of the protective shell, the protective shell blocks dust generated in the rust removing process of the thin-wall pipe fitting, and through the cooperation of the trapezoidal shell and the dust suction device, the dust suction device absorbs the dust in the protective shell, and the absorbed dust is collected in the collection bag, so that the problem that the dust is exposed in the air and absorbed by the human body to influence the health of the human body is avoided.

(5) According to the dust collection device, the touch rod is matched with the semi-arc block of the chute disc, so that the semi-arc block of the chute disc drives the rotating rod to rotate by pushing the touch rod, the rotating rod drives the swinging plate to swing, and the swinging plate swings dust in the air of the protection shell, so that the problem that the dust is attached to the inner wall of the protection shell and is difficult to clean is solved, and the dust collection efficiency of the dust collection device is improved.

Drawings

FIG. 1 is a schematic view of the present invention as a whole;

FIG. 2 is a schematic view in partial cross-section of the present invention as a whole;

FIG. 3 is a schematic view of the deformation preventing device of the present invention;

FIG. 4 is a schematic view of a splash guard of the present invention;

FIG. 5 is a schematic view of a rapping device in accordance with the present invention;

FIG. 6 is a schematic view of the vacuum cleaner of the present invention.

In the figure: 1. a base; 2. a protective shell; 3. a pulley set; 4. a motor; 5. an anti-deformation device; 51. rotating the roller; 52. a chute disc; 53. an arc-shaped sliding plate; 54. a connecting rod; 55. a threaded disc; 56. a threaded rod; 6. a splash guard; 61. a U-shaped arc plate; 62. a U-shaped sloping plate; 63. a knocking device; 631. a convex plate; 632. an elastic convex ball arm; 633. a knock bar; 7. a dust removal device; 71. a trapezoidal shell; 72. a dust collection device; 73. a collection bag; 74. a rotating rod; 75. a swing plate; 76. a touch bar; 8. a T-shaped friction arc plate; 9. a reciprocating screw rod; 10. a half arc frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: a thin-walled tube rust removing device for machining comprises a base 1, a protective shell 2 is fixed at the top of the base 1, a motor 4 is fixed on the left side of the protective shell 2, an output shaft of the motor 4 penetrates through and is rotatably installed on the left side of the protective shell 2, a reciprocating lead screw 9 is rotatably installed at the top of the inner wall of the protective shell 2, the reciprocating lead screw 9 is in transmission connection with the outer side of the output shaft of the motor 4 through a belt pulley group 3, the outer side of the reciprocating lead screw 9 slides in connection with the top of a semi-arc frame 10, T-shaped friction arc plates 8 penetrate through and are slidably installed on the front and the back of the semi-arc frame 10, the T-shaped friction arc plates 8 are elastically connected with the outer sides of the semi-arc frame 10 through springs, a rust removing strip is arranged on one side, close to a rotating roller 51, of each T-shaped friction arc plate 8 is obliquely arranged, an anti-deformation device 5 is arranged inside the protective shell 2, and the anti-deformation device 5 comprises a rotating roller 51, the rotary roller 51 is rotatably arranged inside the protective shell 2, the rotary roller 51 is fixed on an output shaft of the motor 4, a chute disc 52 is fixed on the outer side of the left side of the rotary roller 51, an arc-shaped sliding plate 53 is slidably arranged inside the chute disc 52, a threaded rod 56 is rotatably arranged on the right side of the rotary roller 51, a threaded disc 55 is in threaded connection with the outer side of the threaded rod 56, the outer side of the threaded disc 55 is movably connected with one side, away from the chute disc 52, of the arc-shaped sliding plate 53 through a connecting rod 54, the arc-shaped sliding plates 53 are uniformly arranged on the outer side of the rotary roller 51, the threaded rod 56 is matched with the threaded disc 55, so that the threaded rod 56 drives the threaded disc 55 to move towards the rotary roller 51, the threaded disc 55 drives the arc-shaped sliding plate 53 to slide along the inner part of the chute disc 52 through pushing the connecting rod 54, the arc-shaped sliding plate 53 supports the inner wall of the thin-wall pipe fitting, and the problem of forced deformation of the thin-wall pipe fitting during rust removal is avoided, thereby improving the safety of rust removal.

The front and the back of half arc frame 10 all are provided with anti-splash device 6, anti-splash device 6 includes U-shaped arc board 61, U-shaped arc board 61 is fixed in the outside of half arc frame 10, one side that U-shaped arc board 61 is close to roller 51 is fixed with U-shaped swash plate 62, U-shaped swash plate 62 sets up for the slope, leave two centimetres of clearance between U-shaped swash plate 62 and the U-shaped arc board 61, setting through U-shaped arc board 61 and U-shaped swash plate 62, make U-shaped arc board 61 block the rust block that splashes, thereby rust block sputtering has been avoided, the problem of injury is caused to the human body, U-shaped swash plate 62 can block the rust block of bounce on sputtering U-shaped arc board 61 simultaneously, thereby the rust block of having avoided the bounce is attached to thin-wall pipe spare, cause T-shaped friction arc board 8 to carry out the problem that the secondary rust cleaning is carried out to thin-wall pipe spare, thereby the life of the rust cleaning strip of T-shaped friction arc board 8 has been prolonged.

The side of the half arc frame 10 far away from the rotating roller 51 is provided with a knocking device 63, the knocking device 63 comprises a convex plate 631 and an elastic convex ball rod 632, the convex plate 631 is fixed on the inner wall of the protective shell 2, the elastic convex ball rod 632 is fixed on the side of the U-shaped arc plate 61 far away from the rotating roller 51, a knocking rod 633 is fixed on the side of the elastic convex ball rod 632 close to the U-shaped arc plate 61, the knocking rod 633 is in contact with the U-shaped arc plate 61 and the side of the half arc frame 10 far away from the rotating roller 51, a convex block is fixed on the top of the convex plate 631, a convex ball is fixed on one end of the elastic convex ball rod 632 far away from the U-shaped arc plate 61, the convex ball of the convex plate 631 is in contact with the convex ball of the elastic convex ball rod 632, the convex ball of the elastic convex ball rod 632 is matched with the convex ball of the convex plate 631, so that the convex ball of the convex ball rod 631 drives the knocking rod 633 to drive the knocking rod to be far away from the T-shaped friction arc plate 8 and the U-shaped arc plate 61 by pushing the convex ball 632, when the convex ball of the convex ball 632 of the convex ball 631 does not push the convex ball 632 of the convex ball of the elastic convex ball 631, the elastic protruding ball rod 632 resets under the action of elastic force of itself and drives the knocking rod 633 to knock the T-shaped friction arc plate 8 and the U-shaped arc plate 61, and the T-shaped friction arc plate 8 and the U-shaped arc plate 61 vibrate and shake off rust blocks attached to the T-shaped friction arc plate 8 and the U-shaped arc plate 61, so that the maintenance frequency of workers on the T-shaped friction arc plate 8 and the U-shaped arc plate 61 is reduced.

The bottom of the base 1 is provided with a dust removing device 7, the dust removing device 7 comprises a trapezoid shell 71, the trapezoid shell 71 is fixedly embedded at the bottom of the base 1, one side of the trapezoid shell 71 is fixedly connected with an air suction port of a dust suction device 72, the dust suction device 72 is fixed at the bottom of the base 1, a collection bag 73 is fixed at an air outlet of the dust suction device 72, through the arrangement of the protective shell 2, the protective shell 2 blocks dust generated in the rust removing process of the thin-wall pipe fitting, through the cooperation of the trapezoid shell 71 and the dust suction device 72, the dust suction device 72 absorbs the dust in the protective shell 2, the absorbed dust is collected in the collection bag 73, so that the problem that the dust is exposed in the air and absorbed by the human body to influence the health is avoided, a rotating rod 74 is rotatably installed inside the trapezoid shell 71, the rotating rod 74 is elastically connected with the inner wall of the trapezoid shell 71 through a torsion spring, a collision rod 76 is fixed at the top of the left side of the rotating rod 74, the outside of spout dish 52 is fixed with half arc piece, the top contact of the half arc piece of spout dish 52 and conflict pole 76, the outside of bull stick 74 is fixed with swing board 75, swing board 75 has a plurality of, the crisscross setting in the outside of bull stick 74 of adjacent swing board 75, through the cooperation of the half arc piece of conflict pole 76 with spout dish 52, make the half arc piece of spout dish 52 drive bull stick 74 through promoting to touch pole 76 and rotate, bull stick 74 drives the swing of swing board 75, thereby make swing board 75 carry out the fan-motion to the dust in the protecting crust 2 air, thereby avoided the dust to adhere to the problem that is difficult to the clearance on the inner wall of protecting crust 2, and then improved dust extraction device 72 to dust disposal's efficiency.

When the device is used, a thin-wall pipe fitting is inserted into the protective shell 2 from the right side of the protective shell 2, the thin-wall pipe fitting is sleeved outside the rotary roller 51, the threaded rod 56 is rotated, the threaded rod 56 is matched with the threaded disc 55, the threaded rod 56 drives the threaded disc 55 to move towards the rotary roller 51, the threaded disc 55 drives the arc-shaped sliding plate 53 to slide along the inner part of the sliding groove disc 52 through the pushing connecting rod 54, so that the arc-shaped sliding plate 53 supports the inner wall of the thin-wall pipe fitting, the problem of stress deformation of the thin-wall pipe fitting during rust removal is avoided, the rust removal safety is improved, the motor 4 is started, the motor 4 drives the rotary roller 51 to rotate, the rotary roller 51 drives the thin-wall pipe fitting to rotate, the T-shaped friction arc plate 8 removes rust on the outer side of the thin-wall pipe fitting, and simultaneously, under the transmission of the belt pulley group 3, the reciprocating screw rod 9 rotates and drives the semi-arc frame 10 to slide left and right along the top of the inner wall of the protective shell 2 in a reciprocating manner, therefore, the semi-arc frame 10 drives the T-shaped friction arc plate 8 to dynamically remove rust on the outer side of the thin-wall pipe fitting, and the rust removal efficiency of the thin-wall pipe fitting is improved.

Through the setting of U-shaped arc 61 and U-shaped swash plate 62 for U-shaped arc 61 blocks the rust block that splashes, thereby has avoided the rust block to sputter, cause the problem of injury to the human body, U-shaped swash plate 62 can block the rust block of sputtering rebound on U-shaped arc 61 simultaneously, thereby the rust block of having avoided the rebound launches and adheres to on thin-walled tube, cause T shape friction arc 8 to carry out the problem of secondary rust cleaning to thin-walled tube, thereby the life of the rust cleaning strip of T shape friction arc 8 has been prolonged.

When the T-shaped friction arc plate 8 moves, the T-shaped friction arc plate 8 drives the elastic protruding ball rod 632 to move along with the U-shaped arc plate 61, the protruding ball of the elastic protruding ball rod 632 is matched with the protruding ball of the protruding ball plate 631, so that the protruding ball of the protruding ball rod 631 drives the knocking rod 633 to be away from the T-shaped friction arc plate 8 and the U-shaped arc plate 61 through the protruding ball pushing the elastic protruding ball rod 632, when the protruding ball of the protruding ball rod 632 is not pushed by the protruding ball of the protruding ball plate 631, the elastic protruding ball rod 632 resets under the effect of elastic force of itself and drives the knocking rod 633 to knock the T-shaped friction arc plate 8 and the U-shaped arc plate 61, the T-shaped friction arc plate 8 and the U-shaped arc plate 61 vibrate and shake off rust attached to the T-shaped friction arc plate 8 and the U-shaped arc plate 61, thereby reducing the maintenance frequency of workers on the T-shaped friction arc plate 8 and the U-shaped arc plate 61.

Through the setting of protecting crust 2 for the dust that produces among the protecting crust 2 to the thin-walled tube rust cleaning process blocks, through trapezoidal shell 71 and the cooperation of dust extraction 72, makes dust extraction 72 absorb the dust in protecting crust 2, and during absorptive dust was collected and collects bag 73, thereby avoided the dust to expose and absorbed the problem that influences the health of people at the air by the human body.

Through the cooperation of the half-arc blocks of the touch bar 76 and the chute disc 52, the half-arc blocks of the chute disc 52 drive the rotating bar 74 to rotate by pushing the touch bar 76, the rotating bar 74 drives the swinging plate 75 to swing, so that the swinging plate 75 fans dust in the air of the protective shell 2, the problem that the dust is difficult to clean on the inner wall of the protective shell 2 is avoided, and the efficiency of the dust collection device 72 on dust treatment is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a thin wall tubular product rust cleaning device for machining, includes base (1), its characterized in that: the anti-deformation device is characterized in that a protective shell (2) is fixed at the top of the base (1), a motor (4) is fixed on the left side of the protective shell (2), an output shaft of the motor (4) penetrates through and rotates to be installed on the left side of the protective shell (2), a reciprocating lead screw (9) is installed at the top of the inner wall of the protective shell (2) in a rotating mode, the reciprocating lead screw (9) is in transmission connection with the outer side of the output shaft of the motor (4) through a belt pulley group (3), the outer side of the reciprocating lead screw (9) slides to be connected with the top of a semi-arc frame (10) in a penetrating mode and sliding mode, a T-shaped friction arc plate (8) penetrates through and sliding mode from the front side and the back side of the semi-arc frame (10), an anti-deformation device (5) is arranged inside the protective shell (2), the anti-deformation device (5) comprises a rotating roller (51), the rotating roller (51) is installed inside the protective shell (2) in a rotating mode, the roller (51) is fixed on an output shaft of the motor (4), a chute disc (52) is fixed on the outer side of the left side of the roller (51), an arc-shaped sliding plate (53) is slidably mounted inside the chute disc (52), a threaded rod (56) is rotatably mounted on the right side of the roller (51), a threaded disc (55) is connected to the outer side of the threaded rod (56) in a threaded manner, and the outer side of the threaded disc (55) is movably connected with one side, away from the chute disc (52), of the arc-shaped sliding plate (53) through a connecting rod (54).

2. A thin-walled tube rust removing device for machining according to claim 1, characterized in that: the T-shaped friction arc plate (8) is elastically connected with the outer side of the semi-arc frame (10) through a spring, a rust removing strip is arranged on one side, close to the rotating roller (51), of the T-shaped friction arc plate (8), and the rust removing strip of the T-shaped friction arc plate (8) is obliquely arranged.

3. The thin-walled tube rust removing device for machining according to claim 1, characterized in that: the number of the arc-shaped sliding plates (53) is multiple, and the arc-shaped sliding plates (53) are uniformly arranged on the outer side of the rotating roller (51).

4. A thin-walled tube rust removing device for machining according to claim 1, characterized in that: the front and the back of half arc frame (10) all are provided with anti-splash device (6), anti-splash device (6) are including U-shaped arc board (61), the outside at half arc frame (10) is fixed in U-shaped arc board (61), one side that U-shaped arc board (61) are close to and change roller (51) is fixed with U-shaped swash plate (62).

5. The thin-walled tube rust removing device for machining according to claim 4, characterized in that: one side of the semi-arc frame (10) far away from the rotating roller (51) is provided with a knocking device (63), the knocking device (63) comprises a convex plate (631) and an elastic convex ball rod (632), the convex plate (631) is fixed on the inner wall of the protective shell (2), the elastic convex ball rod (632) is fixed on one side of the U-shaped arc plate (61) far away from the rotating roller (51), and a knocking rod (633) is fixed on one side of the elastic convex ball rod (632) close to the U-shaped arc plate (61).

6. A thin-walled tube rust removing device for machining according to claim 4, characterized in that: the U-shaped sloping plate (62) is arranged in an inclined mode, and a gap of two centimeters is reserved between the U-shaped sloping plate (62) and the U-shaped arc plate (61).

7. A thin-walled tube rust removing device for machining according to claim 5, characterized in that: the knocking rod (633) is in contact with one sides, far away from the rotating roller (51), of the U-shaped arc plate (61) and the semi-arc frame (10), a protruding block is fixed at the top of the protruding plate (631), a protruding ball is fixed at one end, far away from the U-shaped arc plate (61), of the elastic protruding ball rod (632), and the protruding block of the protruding plate (631) is in contact with the protruding ball of the elastic protruding ball rod (632).

8. A thin-walled tube rust removing device for machining according to claim 1, characterized in that: the bottom of base (1) is provided with dust collector (7), dust collector (7) are including trapezoidal shell (71), trapezoidal shell (71) are set in the bottom of base (1), one side of trapezoidal shell (71) and dust extraction's (72) induction port fixed connection, dust extraction (72) are fixed in the bottom of base (1), the gas outlet department of dust extraction (72) is fixed with collection bag (73), bull stick (74) are installed in the internal rotation of trapezoidal shell (71), through torsional spring elastic connection between bull stick (74) and the inner wall of trapezoidal shell (71), bull stick (74) left side top is fixed with supports feeler lever (76), the outside of bull stick (74) is fixed with swing board (75).

9. A thin-walled tube rust removing device for machining according to claim 8, characterized in that: the number of the swing plates (75) is several, and the adjacent swing plates (75) are arranged at the outer side of the rotating rod (74) in a staggered mode.

10. The thin-walled tube rust removing device for machining according to claim 8, characterized in that: and a half arc block is fixed on the outer side of the sliding groove disc (52), and the half arc block of the sliding groove disc (52) is in contact with the top of the contact rod (76).