CN216463888U - Nonrust steel pipe inner wall burnishing device - Google Patents

Abstract

The utility model discloses a polishing device for the inner wall of a stainless steel pipe, which comprises a workbench, wherein one side of the top end of the workbench is fixedly connected with two vertical plates, a first rotating shaft is rotatably connected between the two vertical plates, one side of the first rotating shaft is fixedly connected with a cross rod, one side of the cross rod is fixedly connected with a polishing disc, the middle of the top end of the polishing disc is rotatably connected with a circular plate, the circular plate is rotatably connected with the cross rod, the top end of the polishing disc is slidably connected with a plurality of sliding blocks, a first connecting rod is rotatably connected between the plurality of sliding blocks and the circular plate, one side of the plurality of sliding blocks is fixedly connected with a polishing block, the middle of the top end of the circular plate is fixedly connected with a rotating drum, and the rotating drum is rotatably connected with the first rotating shaft. Compared with the existing device, the polishing device can quickly adjust the distance between the polishing blocks and the inner wall of the stainless steel pipe, so that each polishing block is tightly attached to the inner wall of the stainless steel pipe, and a better polishing effect can be achieved during polishing.

Description

Nonrust steel pipe inner wall burnishing device

Technical Field

The utility model relates to the technical field of steel pipe machining, in particular to a polishing device for an inner wall of a stainless steel pipe.

Background

The stainless steel pipe fitting has the characteristics of good mechanical property, corrosion resistance and the like, is widely applied to the fields of spaceflight, oceans, nuclear energy, medical instruments, petrifaction and the like, has good corrosion resistance, and is mainly used for fluid conveying pipelines of high-end products. In recent years, with the development and innovation of technology, the demand of stainless steel pipes is increasing, and the quality requirement is increasing. Because the roughness of the inner wall of the stainless steel pipe fitting is reduced, the resistance of the inner wall to fluid and the adsorption effect of materials on the inner wall can be reduced, and therefore, the requirement of people on the roughness of the inner wall of the stainless steel pipe fitting is higher and higher. The existing method for reducing the roughness of the inner wall of the stainless steel pipe fitting mainly adopts a mechanical polishing mode. Mainly stretch into the pipe wall with the stick of polishing, it is rotatory through manual or motor drive stick of polishing, make stick of polishing and stainless steel pipe fitting inner wall mutual contact friction to reach the effect of inner wall polishing, this kind of method is hard and polishing effect is not good.

Through retrieval, the patent with the Chinese patent authorization publication number of CN208663450U discloses a stainless steel tube inner surface polishing machine, which comprises a workbench. The polishing machine for the inner surface of the stainless steel pipe in the patent has the following defects: although the device can automatically polish the inner wall of the stainless steel pipe, before polishing the stainless steel pipes with different sizes and calibers, the bolt needs to be manually screwed, the distance between the polishing block and the inner wall of the stainless steel pipe is adjusted, the operation is time-consuming, and each polishing block cannot be guaranteed to be tightly attached to the inner wall of the stainless steel pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a polishing device for the inner wall of a stainless steel pipe.

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

the utility model provides a nonrust steel pipe inner wall burnishing device, includes the workstation, two risers of top one side fixedly connected with of workstation, two rotate between the riser and be connected with first pivot, one side fixedly connected with horizontal pole of first pivot, one side fixedly connected with of horizontal pole polishes the dish, it is connected with the plectane to rotate in the middle of the top of polishing the dish, rotate between plectane and the horizontal pole and be connected, the top sliding connection of polishing the dish has a plurality of sliders, and is a plurality of all rotate between slider and the plectane and be connected with the head rod, and is a plurality of the equal fixedly connected with of one side of slider polishes the piece.

Furthermore, a rotating drum is fixedly connected to the middle of the top end of the circular plate, the rotating drum is rotatably connected with the first rotating shaft, a fixing plate is fixedly connected to the inner side of the rotating drum, the fixing plate is rotatably connected with the cross rod, and a torsion spring is fixedly connected between the fixing plate and the first rotating shaft.

Further, one side fixedly connected with work box of workstation, inner wall one side fixed mounting of work box has the motor, fixed connection between the output shaft of motor and the first pivot.

Further, sliding connection has the diaphragm in the middle of the top of workstation, fixedly connected with grip block in the middle of the top of diaphragm, it is connected with first threaded rod to rotate in the middle of the top of grip block, the first carousel of top fixedly connected with of first threaded rod, the outside threaded connection of first threaded rod has the thread disc, the both sides of thread disc all rotate and are connected with the third connecting rod, the inside top both sides of grip block all rotate and are connected with the second connecting rod, two rotate between second connecting rod and the third connecting rod and connect, two the equal fixedly connected with clamp splice in bottom of third connecting rod.

Furthermore, a first conical gear is fixedly connected to an output shaft of the motor, a rotating rod is rotatably connected to the interior of the working box, a second conical gear and a third conical gear are fixedly connected to two ends of the rotating rod respectively, the first conical gear and the second conical gear are meshed, a reciprocating screw rod is rotatably connected to the bottom end of one side of the working box, a fourth conical gear is fixedly connected to one side of the reciprocating screw rod, the fourth conical gear and the third conical gear are meshed, and the reciprocating screw rod is in threaded connection with the transverse plate.

Further, the outside sliding connection of first pivot has the second pivot, rotate between second pivot and the riser and be connected, the output shaft fixed connection of second pivot and motor, one side fixedly connected with retainer ring of second pivot, the outside of first pivot is located to the retainer ring, the top threaded connection of retainer ring has the second threaded rod, the top fixedly connected with second carousel of second threaded rod, the both sides of second threaded rod all rotate and are connected with the connecting plate, the equal sliding connection in inside both sides of retainer ring has the litter, two rotate between litter and the connecting plate and be connected, two bottom one side of litter all rotates and is connected with the fixed strip, two rotate between the fixed strip and connect.

The utility model has the beneficial effects that:

1. through arranging the rotary drum, the circular plate, the first connecting rod, the sliding block, the polishing blocks and the torsion spring, after the stainless steel pipe is fixed, the rotary drum is rotated to drive the circular plate to rotate, the circular plate rotates to drive the first connecting rod to rotate so that the sliding block slides towards the circle center of the circular plate, the polishing blocks and the sliding block are all put into the inner side of the circular plate, the first rotary shaft is inserted into the inner side of the stainless steel pipe, the rotary drum is loosened, under the action of the torsion spring, the rotary drum rotates to drive the polishing blocks to slide out of the circular plate and abut against the inner wall of the stainless steel pipe, the distance between the polishing blocks and the inner wall of the stainless steel pipe can be rapidly adjusted, and each polishing block is enabled to be tightly attached to the inner wall of the stainless steel pipe, so that a better polishing effect can be achieved during polishing;

2. by arranging the first rotary table, the first threaded rod, the threaded disc, the second connecting rod, the third connecting rods and the clamping blocks, the stainless steel pipe is inserted into the clamping plate, the first rotary table is rotated to drive the first threaded rod to rotate so as to drive the threaded disc to move upwards, the threaded disc moves upwards to drive the second connecting rod to rotate upwards, so that the two third connecting rods are close to each other, the clamping blocks are driven to be close to each other to clamp, the steel pipes with different sizes can be fixed, and the steel pipes cannot slide in the polishing process;

3. through having set up the second carousel, the second threaded rod, litter, the fixed strip, when the steel pipe overlength that needs processed, rotate the second carousel, the second carousel drives the second threaded rod and moves down to promote keeping away from each other between two litter, drive two fixed strips and part, take out first pivot to suitable distance, gyration second carousel makes two fixed strips with first pivot clamp tight, thereby can process the steel pipe of overlength through simple regulation, make the practicality of device stronger.

Drawings

FIG. 1 is a schematic structural diagram of a stainless steel tube inner wall polishing apparatus according to example 1 in a front view;

FIG. 2 is a schematic sectional view of a first rotating shaft of the polishing apparatus for inner wall of stainless steel tube in accordance with example 1;

FIG. 3 is a schematic side view showing the structure of a polishing disc of the polishing apparatus for an inner wall of a stainless steel pipe according to example 1;

FIG. 4 is a schematic sectional view of an elevational view of the polishing apparatus for an inner wall of a stainless steel tube according to example 1;

FIG. 5 is a schematic side sectional view showing a holding plate of the polishing apparatus for inner wall of stainless steel pipe in accordance with example 1;

fig. 6 is a schematic front view of the polishing apparatus for the inner wall of a stainless steel tube according to embodiment 2.

FIG. 7 is a schematic sectional side view showing a structure of a fixed collar of a polishing apparatus for an inner wall of a stainless steel pipe according to example 2.

In the figure: 1 workbench, 2 rotary drums, 3 first rotating shafts, 4 vertical plates, 5 working boxes, 6 first rotating discs, 7 clamping plates, 8 transverse plates, 9 torsion springs, 10 fixing plates, 11 transverse rods, 12 polishing blocks, 13 sliding blocks, 14 first connecting rods, 15 circular plates, 16 polishing discs, 17 first conical gears, 18 motors, 19 second conical gears, 20 third conical gears, 21 fourth conical gears, 22 reciprocating screw rods, 23 second connecting rods, 24 first threaded rods, 25 threaded discs, 26 third connecting rods, 27 clamping blocks, 28 second rotating shafts, 29 second rotating discs, 30 fixing ferrules, 31 second threaded rods, 32 sliding rods and 33 fixing strips.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-5, a polishing device for the inner wall of a stainless steel tube comprises a workbench 1, wherein two vertical plates 4 are fixedly connected to one side of the top end of the workbench 1, a first rotating shaft 3 is rotatably connected between the two vertical plates 4, a cross rod 11 is fixedly connected to one side of the first rotating shaft 3, a polishing disc 16 is fixedly connected to one side of the cross rod 11, a circular plate 15 is rotatably connected to the middle of the top end of the polishing disc 16, the circular plate 15 is rotatably connected with the cross rod 11, a plurality of sliding blocks 13 are slidably connected to the top end of the polishing disc 16, a first connecting rod 14 is rotatably connected between the plurality of sliding blocks 13 and the circular plate 15, a polishing block 12 is fixedly connected to one side of the plurality of sliding blocks 13, a rotating drum 2 is fixedly connected to the middle of the top end of the circular plate 15, the rotating drum 2 is rotatably connected with the first rotating shaft 3, and a fixing plate 10 is fixedly connected to the inner side of the rotating drum 2, rotate between fixed plate 10 and the horizontal pole 11 and be connected, fixedly connected with torsion spring 9 between fixed plate 10 and the first pivot 3, one side fixedly connected with work box 5 of workstation 1, inner wall one side fixed mounting of work box 5 has motor 18, fixed connection between the output shaft of motor 18 and the first pivot 3 can adjust the distance between sanding block 12 and the stainless steel pipe inner wall rapidly, thereby makes each sanding block 12 all hug closely stainless steel pipe inner wall and can have better polishing effect when the polishing.

Wherein, a transverse plate 8 is slidably connected in the middle of the top end of the workbench 1, a clamping plate 7 is fixedly connected in the middle of the top end of the transverse plate 8, a first threaded rod 24 is rotatably connected in the middle of the top end of the clamping plate 7, a first rotary disc 6 is fixedly connected on the top end of the first threaded rod 24, a threaded disc 25 is in threaded connection with the outer side of the first threaded rod 24, third connecting rods 26 are rotatably connected on both sides of the threaded disc 25, second connecting rods 23 are rotatably connected on both sides of the inner top end of the clamping plate 7, the two second connecting rods 23 are rotatably connected with the third connecting rods 26, clamping blocks 27 are fixedly connected on the bottom ends of the two third connecting rods 26, a first conical gear 17 is fixedly connected on the output shaft of the motor 18, a rotary rod is rotatably connected in the inner part of the work box 5, and second conical gear 19 and a third conical gear 20 are respectively fixedly connected on both ends of the rotary rod, the first conical gear 17 is meshed with the second conical gear 19, the bottom end of one side of the working box 5 is rotatably connected with a reciprocating screw rod 22, one side of the reciprocating screw rod 22 is fixedly connected with a fourth conical gear 21, the fourth conical gear 21 is meshed with the third conical gear 20, the reciprocating screw rod 22 is in threaded connection with the transverse plate 8, steel pipes with different sizes can be fixed, and the steel pipes cannot slide in the polishing process.

The working principle is as follows: inserting a stainless steel pipe into a clamping plate 7, rotating a first rotating disc 6 to drive a first threaded rod 24 to rotate so as to drive a threaded disc 25 to move upwards, driving a second connecting rod 23 to move upwards by the threaded disc 25, so that two third connecting rods 26 are close to each other, driving a clamping block 27 to close to each other to clamp the stainless steel pipe, after the stainless steel pipe is fixed, rotating a rotating drum 2 to drive a circular plate 15 to rotate, driving a first connecting rod 14 to rotate by the circular plate 15 to enable a sliding block 13 to slide towards the circle center of the circular plate 15, enabling a grinding block 12 and the sliding block 13 to be completely put into the inner side of the circular plate 15, inserting a first rotating shaft 13 into the inner side of the stainless steel pipe, loosening the rotating drum 2, driving the grinding block 12 to slide out of the circular plate 15 under the action of a torsion spring 9, abutting against the inner wall of the stainless steel pipe, and carrying out polishing work, rotating a motor 18 to drive the first rotating shaft 3 to rotate so as to drive the grinding block 12 to rotate, the motor 8 drives the first conical gear 17 to rotate so as to drive the second conical gear 19 to rotate, the second conical gear 19 drives the third conical gear 20 to rotate so as to drive the fourth conical gear 21 to rotate, and the fourth conical gear 21 rotates to drive the reciprocating screw rod 22 to rotate, so that the transverse plate 8 is driven to move, and the stainless steel pipe is driven to be polished.

Example 2

Referring to fig. 6-7, in order to process an excessively long steel pipe and enhance the practicability of the device, in this embodiment, compared with embodiment 1, a second rotating shaft 28 is slidably connected to an outer side of a first rotating shaft 3, the second rotating shaft 28 is rotatably connected to a vertical plate 4, the second rotating shaft 28 is fixedly connected to an output shaft of a motor 18, a fixed collar 30 is fixedly connected to one side of the second rotating shaft 28, the fixed collar 30 is disposed on an outer side of the first rotating shaft 3, a second threaded rod 31 is threadedly connected to a top end of the fixed collar 30, a second rotating disc 29 is fixedly connected to a top end of the second threaded rod 31, connecting plates are rotatably connected to both sides of the second threaded rod 31, sliding rods 32 are slidably connected to both inner sides of the fixed collar 30, and two sliding rods 32 are rotatably connected to the connecting plates, one side of the bottom ends of the two slide rods 32 is rotatably connected with a fixed strip 33, and the two fixed strips 33 are rotatably connected.

The working principle is as follows: inserting a stainless steel pipe into a clamping plate 7, rotating a first rotating disc 6 to drive a first threaded rod 24 to rotate so as to drive a threaded disc 25 to move upwards, driving a second connecting rod 23 to move upwards by the threaded disc 25, so that two third connecting rods 26 are close to each other, driving a clamping block 27 to close to each other to clamp the stainless steel pipe, after the stainless steel pipe is fixed, rotating a rotating drum 2 to drive a circular plate 15 to rotate, driving a first connecting rod 14 to rotate by the circular plate 15 to enable a sliding block 13 to slide towards the circle center of the circular plate 15, enabling a grinding block 12 and the sliding block 13 to be completely put into the inner side of the circular plate 15, inserting a first rotating shaft 13 into the inner side of the stainless steel pipe, loosening the rotating drum 2, driving the grinding block 12 to slide out of the circular plate 15 under the action of a torsion spring 9, abutting against the inner wall of the stainless steel pipe, and carrying out polishing work, rotating a motor 18 to drive the first rotating shaft 3 to rotate so as to drive the grinding block 12 to rotate, the motor 8 drives the first conical gear 17 to rotate so as to drive the second conical gear 19 to rotate, the second conical gear 19 drives the third conical gear 20 to rotate so as to drive the fourth conical gear 21 to rotate, the fourth conical gear 21 rotates to drive the reciprocating screw rod 22 to rotate, so as to drive the transverse plate 8 to move, and drive the stainless steel pipe to polish, when the steel pipe to be processed is too long, the second rotary plate 29 is rotated, the second rotary plate 29 drives the second threaded rod 31 to move downwards, so as to push the two sliding rods 32 to be away from each other, drive the two fixing strips 33 to be separated, pull out the first rotary shaft 3 to a proper distance, rotate the second rotary plate 31, and enable the two fixing strips 33 to clamp the first rotary shaft 3 tightly.

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 to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a nonrust steel pipe inner wall burnishing device, includes workstation (1), its characterized in that, two riser (4) of top one side fixedly connected with of workstation (1), two rotate between riser (4) and be connected with first pivot (3), one side fixedly connected with horizontal pole (11) of first pivot (3), one side fixedly connected with of horizontal pole (11) grinds dish (16), it is connected with plectane (15) to rotate in the middle of the top of grinds dish (16), rotate between plectane (15) and horizontal pole (11) and be connected, the top sliding connection of grinds dish (16) has a plurality of sliders (13), and is a plurality of all rotate between slider (13) and plectane (15) and be connected with head rod (14), and is a plurality of the equal fixedly connected with in one side of slider (13) piece (12) of polishing.

2. The polishing device for the inner wall of the stainless steel tube according to claim 1, wherein a rotating drum (2) is fixedly connected to the top end of the circular plate (15), the rotating drum (2) is rotatably connected to the first rotating shaft (3), a fixing plate (10) is fixedly connected to the inner side of the rotating drum (2), the fixing plate (10) is rotatably connected to the cross bar (11), and a torsion spring (9) is fixedly connected between the fixing plate (10) and the first rotating shaft (3).

3. The polishing device for the inner wall of the stainless steel tube according to claim 2, wherein a working box (5) is fixedly connected to one side of the working table (1), a motor (18) is fixedly mounted to one side of the inner wall of the working box (5), and an output shaft of the motor (18) is fixedly connected with the first rotating shaft (3).

4. The polishing device for the inner wall of a stainless steel pipe according to claim 3, a transverse plate (8) is connected in the middle of the top end of the workbench (1) in a sliding manner, a clamping plate (7) is fixedly connected in the middle of the top end of the transverse plate (8), the middle of the top end of the clamping plate (7) is rotationally connected with a first threaded rod (24), the top end of the first threaded rod (24) is fixedly connected with a first rotary table (6), the outer side of the first threaded rod (24) is in threaded connection with a threaded disc (25), both sides of the threaded disc (25) are rotatably connected with third connecting rods (26), the inside top both sides of grip block (7) all rotate and are connected with second connecting rod (23), two rotate between second connecting rod (23) and third connecting rod (26) and connect, two the equal fixedly connected with clamp splice (27) in bottom of third connecting rod (26).

5. The polishing device for the inner wall of the stainless steel tube according to claim 4, wherein a first conical gear (17) is fixedly connected to an output shaft of the motor (18), a rotating rod is rotatably connected to the inside of the working box (5), a second conical gear (19) and a third conical gear (20) are respectively and fixedly connected to two ends of the rotating rod, the first conical gear (17) is meshed with the second conical gear (19), a reciprocating screw rod (22) is rotatably connected to the bottom end of one side of the working box (5), a fourth conical gear (21) is fixedly connected to one side of the reciprocating screw rod (22), the fourth conical gear (21) is meshed with the third conical gear (20), and the reciprocating screw rod (22) is in threaded connection with the transverse plate (8).

6. The polishing device for the inner wall of the stainless steel tube according to claim 5, wherein a second rotating shaft (28) is slidably connected to the outer side of the first rotating shaft (3), the second rotating shaft (28) is rotatably connected to the vertical plate (4), the second rotating shaft (28) is fixedly connected to the output shaft of the motor (18), a fixed collar (30) is fixedly connected to one side of the second rotating shaft (28), the fixed collar (30) is arranged on the outer side of the first rotating shaft (3), a second threaded rod (31) is connected to the top end of the fixed collar (30) in a threaded manner, a second rotating disc (29) is fixedly connected to the top end of the second threaded rod (31), connecting plates are rotatably connected to both sides of the second threaded rod (31), sliding rods (32) are slidably connected to both inner sides of the fixed collar (30), and two sliding rods (32) are rotatably connected to the connecting plates, one side of the bottom end of each of the two sliding rods (32) is rotatably connected with a fixing strip (33), and the two fixing strips (33) are rotatably connected with each other.

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