CN116021367A

CN116021367A - Metal pipe end polishing device

Info

Publication number: CN116021367A
Application number: CN202310013562.9A
Authority: CN
Inventors: 潘刚刚
Original assignee: Wuhu Jicheng Machinery Co ltd
Current assignee: Wuhu Jicheng Machinery Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-28

Abstract

The invention discloses a polishing device for the end part of a metal pipe, which comprises a horizontal moving mechanism, a clamp mechanism, a lifting mechanism, a rotating mechanism and a planetary gear set, wherein the rotating mechanism and the planetary gear set are arranged at the output end of the horizontal moving mechanism, the planetary gear set comprises a planet carrier, a central shaft and a plurality of planet shafts which revolve and rotate simultaneously, a plurality of groups of transmission mechanisms are arranged on the planet carrier, each transmission mechanism comprises a polishing shaft which can slide along the radial direction of the central shaft and is parallel to the central shaft and rotates along the central shaft along the rotation of the planet shafts and rotates along the axis of the planet shafts, the end part of each polishing shaft is coaxially and detachably connected with a steel wire wheel, the central shaft is provided with an adjusting mechanism for driving the polishing shaft to slide on the planet carrier, burrs of the metal pipe are flexibly removed through the steel wire wheels, the metal pipe cannot be excessively polished, the steel wire wheels can gather or spread according to the specifications of the metal pipe, and are suitable for polishing of the metal pipe with various specifications, and the steel wire wheels revolve while rotating, so that the removing efficiency of the burrs is improved.

Description

Metal pipe end polishing device

Technical Field

The invention relates to the technical field of machining, in particular to a metal pipe end polishing device.

Background

The metal pipe is sold with conventional lengths such as six meters, ten meters, twelve meters and the like, a processing manufacturer needs to process the steel pipe according to own requirements after buying, the upright post and glass are combined to be used as guardrails in a multilayer market, flange plates and mounting heads for mounting handrails are welded at two ends of the cut steel pipe respectively when the upright post is manufactured, mounting frames for mounting glass are welded on the side walls of the steel pipe, the upright post needs to support glass, the steel pipe with the thickness of more than two millimeters is required to be manufactured, burrs are generated at the end portions when the steel pipe is cut, the burrs can affect subsequent welding, and due to the fact that the section of the steel pipe is circular, the conventional burr scraper is inconvenient to use, the polishing amount cannot be controlled by an angle grinder, and the physical strength of operators can be rapidly consumed.

The invention patent with the publication number of CN111958377B discloses a quick polishing device for the end parts of steel pipes with different pipe diameters, which drives a polishing wheel to move close to the steel pipes through a polishing frame telescopic oil cylinder, but the polishing frame telescopic oil cylinder cannot accurately control the stroke of the polishing wheel, only can control the pressure of the polishing wheel on the steel pipes, the pressure is small, so that the polishing efficiency is poor, the pressure is too high, the steel pipes can be excessively polished, the polishing degree of the steel pipes is difficult to control, the polishing wheel rotates around the steel pipes for a circle, and the pressure of the polishing frame telescopic oil cylinder is unchanged, so that the same degree of polishing can be carried out on burrs and the side walls of the steel pipes without burrs, and the polishing consistency of the steel pipes is low.

Disclosure of Invention

Aiming at the technical problems, the invention aims to solve the problem that the steel pipe is excessively polished when the burrs are removed in the prior art.

In order to achieve the above purpose, the invention provides a polishing device for the end part of a metal pipe, which comprises a horizontal moving mechanism, a clamp mechanism for clamping a horizontal steel pipe, a lifting mechanism for driving the clamp mechanism to move vertically, a rotating mechanism arranged on the output end of the horizontal moving mechanism, and a planetary gear set arranged on the output end of the horizontal moving mechanism and connected with the output shaft of the rotating mechanism; wherein, the liquid crystal display device comprises a liquid crystal display device,

the planetary gear set comprises a planet carrier arranged far away from the rotating mechanism, a horizontal central shaft capable of rotating along the axis of the planet carrier and being in shaft connection with the planet carrier, and a plurality of planet shafts which are parallel to the central shaft and can revolve around the central shaft and simultaneously rotate in shaft connection with the planet carrier, wherein a plurality of groups of transmission mechanisms which are in one-to-one correspondence connection with the plurality of planet shafts are arranged on the planet carrier, each transmission mechanism comprises a polishing shaft capable of sliding along the radial direction of the central shaft on the planet carrier and rotating along the axis of the planet shaft in parallel with the central shaft, a steel wire wheel is coaxially and detachably connected to the end part of the polishing shaft far away from the rotating mechanism, an adjusting mechanism for driving the polishing shaft to slide on the planet carrier is arranged on the central shaft, and the adjusting mechanism comprises an adjusting frame which is coaxially arranged with the central shaft and is connected with the plurality of groups of transmission mechanisms and can rotate or be fixed by taking the central shaft as a shaft.

Preferably, the transmission mechanism further comprises a first sliding block, at least one pair of connecting rods and a synchronous belt, wherein the first sliding block slides along the radial direction of the central shaft and is in shaft connection with the polishing shaft, one end of each pair of connecting rods is connected with one end of each connecting rod through a first hinge bolt in a rotating mode, the other end of each connecting rod is connected with the first sliding block through a second hinge bolt in a rotating mode, the other end of each connecting rod is connected with the planet carrier through a third hinge bolt in a rotating mode, the third hinge bolt is close to the planetary shaft, the first hinge bolts, the second hinge bolts and the third hinge bolts are parallel to the polishing shaft and are all provided with first synchronous wheels through first bearing sleeves, the polishing shaft and the corresponding planetary shafts are all fixedly sleeved with second synchronous wheels in a coaxial mode, a plurality of first synchronous wheels and a plurality of second synchronous wheels are all connected through synchronous belt transmission, and a first strip-shaped through groove which is consistent with the radial direction of the central shaft and is used for the first hinge bolts to slide.

Preferably, the planetary gear set further comprises an annular rack which is coaxial with the central shaft and fixedly connected with the output end of the horizontal moving mechanism, a sun wheel coaxially and fixedly sleeved on the central shaft, and a plurality of planetary gears sleeved on the corresponding planetary shafts in a one-to-one correspondence manner.

Preferably, the annular rack is close to the coaxial fixedly connected with ring piece in one side periphery of horizontal migration mechanism, the coaxial fixedly connected with in one side that the ring piece kept away from annular rack and horizontal migration mechanism output fixed connection's first dustproof section of thick bamboo, the center pin is connected with rotary mechanism with first dustproof section of thick bamboo hub connection and wears out first dustproof section of thick bamboo, the coaxial sliding connection in one side that the ring piece kept away from first dustproof section of thick bamboo has the cover to establish the second dustproof section of thick bamboo in annular rack, a plurality of groups transmission mechanism outsides and the regulating frame outside and with planet carrier fixed connection, and the open end laminating ring piece of second dustproof section of thick bamboo, the axle of polishing wears out second dustproof section of thick bamboo and wire wheel detachable connection.

Preferably, the bottom of the second dustproof cylinder is sunken to have the second bar that supplies the horizontal migration of the axle of polishing that corresponds and leads to the groove, epaxial coupling of polishing has the gliding second slider in the groove that leads to with the second bar, equal fixedly connected with laminating second dustproof cylinder outer wall is used for covering the interception board in the groove is led to the second bar on two lateral walls that the second slider is relative.

Preferably, the adjusting frame is provided with a pipe sleeve which is sleeved on the central shaft through a second bearing and penetrates through the second dustproof barrel in a protruding mode, and the transmission mechanism further comprises a first chuck which is coaxially sleeved on the outer side of the pipe sleeve and fixedly provided with the outer wall of the second dustproof barrel, a second chuck which is sleeved on the outer side of the pipe sleeve along the axis of the pipe sleeve in a sliding mode and can be separated from or clamped with the first chuck, a grab handle fixedly connected with the second chuck, an end cover fixed on the end portion of the pipe sleeve and a spring used for pushing the second chuck to move close to the first chuck.

Preferably, the side wall of the pipe sleeve is sunken to have the third bar-shaped through groove with length direction and open end and the pipe sleeve end that is close to the end cover intercommunication, second chuck fixedly connected with and the vertical gliding gib block of third bar-shaped through groove, the slip is passed on the end cover and is had the gie peg that connects fixedly soon with the gib block, the spring housing is established on the gie peg and both ends are inconsistent with end cover and gib block respectively.

Preferably, the rotating mechanism is a driving motor, and an output shaft of the driving motor is fixedly connected with the central shaft coaxially through a coupler.

Preferably, the steel wire wheel is detachably mounted at the end part of the polishing shaft through a mounting bolt, a gasket which is abutted against the steel wire wheel and used for increasing the contact area is further sleeved on the mounting bolt, and a first anti-slip groove is recessed in one side of the gasket, which is in contact with the steel wire wheel.

Preferably, an annular flange for increasing the contact area with the wire wheel is coaxially protruded at the end part of the polishing shaft far away from the planet carrier, and a second anti-slip groove is recessed at one surface of the annular flange, which is contacted with the wire wheel.

According to the technical scheme, the metal pipe end polishing device provided by the invention has the beneficial effects that compared with the prior art: firstly, the burrs of the metal pipe are flexibly removed through the steel wire wheel, and the metal pipe is not excessively polished while the burrs are removed;

secondly, the plurality of steel wire wheels can be adjusted according to the specification of the metal tube, and the plurality of steel wire wheels are gathered or unfolded to polish the end part of the metal tube, so that the polishing machine is suitable for polishing metal tubes with various specifications;

thirdly, the planetary gear set drives the steel wire wheel to revolve while rotating, so that the burr removing efficiency is improved.

Additional features and advantages of the invention will be set forth in the detailed description which follows; and none of the inventions are related to the same or are capable of being practiced in the prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:

FIG. 1 is a schematic perspective view of a polishing device for metal pipe ends, provided by the invention;

FIG. 2 is a schematic view of a partial perspective view of a polishing apparatus for end portions of a metal pipe according to the present invention;

FIG. 3 is a schematic diagram showing a partial perspective view of a polishing device for end portions of a metal pipe according to the present invention;

FIG. 4 is a schematic view of a partial perspective view of a polishing device for end portions of a metal pipe according to the present invention;

FIG. 5 is a schematic view showing a partial perspective structure of a polishing device for end portions of a metal pipe according to the present invention;

FIG. 6 is a schematic view showing a partial perspective structure of a polishing device for end portions of metal pipes according to the present invention;

FIG. 7 is a schematic view showing a partial perspective view of a polishing apparatus for end portions of a metal pipe according to the present invention;

FIG. 8 is an enlarged schematic view of the end mill apparatus of FIG. 2A of a metal pipe according to the present invention;

FIG. 9 is an exploded schematic view of an adjustment mechanism of a metal tube end grinding apparatus provided by the present invention;

fig. 10 is an enlarged schematic view of the end grinding apparatus of the metal pipe of fig. 4 at B.

Description of the reference numerals

1. A horizontal movement mechanism; 2. a rotation mechanism; 3. a planet carrier; 4. a central shaft; 5. a planetary shaft; 6. polishing the shaft; 7. a wire wheel; 8. an adjusting frame; 9. a first slider; 10. a connecting rod; 11. a synchronous belt; 12. a first hinge pin; 13. a second hinge pin; 14. a third hinge pin; 15. a first synchronizing wheel; 16. a second synchronizing wheel; 17. a first strip-shaped through groove; 18. an annular rack; 19. a sun gear; 20. a planet wheel; 21. a ring piece; 22. a first dust-proof cylinder; 23. a second dust-proof cylinder; 24. a second slider; 25. an interception plate; 26. a pipe sleeve; 27. a first chuck; 28. a second chuck; 29. a grab handle; 30. an end cap; 31. a spring; 32. a third strip-shaped through groove; 33. a guide bar; 34. a guide pin; 35. installing a bolt; 36. a gasket; 37. an annular flange.

Detailed Description

The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

In the present invention, unless otherwise indicated, terms such as "upper, lower, inner, outer" and the like are used merely to denote orientations of the term in a normal use state or are commonly understood by those skilled in the art, and should not be construed as limitations of the term.

1-10, a polishing device for the end part of a metal pipe comprises a horizontal moving mechanism 1, a clamp mechanism for clamping a horizontal steel pipe, a lifting mechanism for driving the clamp mechanism to vertically move, a rotating mechanism 2 arranged on the output end of the horizontal moving mechanism 1, and a planetary gear set arranged on the output end of the horizontal moving mechanism 1 and connected with the output shaft of the rotating mechanism 2; wherein, the liquid crystal display device comprises a liquid crystal display device,

the planetary gear set comprises a planet carrier 3 arranged far away from a rotating mechanism 2, a horizontal central shaft 4 capable of rotating by the axis of the planet carrier and being in shaft connection with the planet carrier 3, and a plurality of planet shafts 5 which are parallel to the central shaft 4 and can revolve around the central shaft 4 and rotate simultaneously and are in shaft connection with the planet carrier 3, wherein a plurality of groups of transmission mechanisms which are connected with the planet shafts 5 in a one-to-one correspondence manner are arranged on the planet carrier 3, each transmission mechanism comprises a polishing shaft 6 which can slide on the planet carrier 3 in the radial direction of the central shaft 4 and is parallel to the central shaft 4 and rotates by the axis of the planet carrier along with the rotation of the planet shaft 5, the end part of the polishing shaft 6 far away from the rotating mechanism 2 is coaxially and detachably connected with a steel wire wheel 7, an adjusting mechanism used for driving the polishing shaft 6 to slide on the planet carrier 3 is arranged on the central shaft 4, the adjusting mechanism comprises an adjusting frame 8 which is coaxially arranged with the central shaft 4 and is connected with the transmission mechanisms in a plurality of groups, and the adjusting frame 8 can rotate or be fixed by taking the central shaft 4 as a shaft.

The horizontal moving mechanism 1 comprises a horizontal supporting plate, a plurality of pulleys fixedly arranged on the rotating mechanism 2 and in sliding connection with the supporting plate, and a first hydraulic cylinder fixedly arranged on the supporting plate and fixedly connected with the rotating mechanism 2 at the end part of a piston rod;

the fixture mechanism comprises a plurality of groups of fixture members arranged along the length direction of the metal pipe at intervals, the lifting mechanism comprises a plurality of groups of lifting members connected with the plurality of groups of fixture members in a one-to-one correspondence manner, the fixture members comprise bending clamping plates used for supporting the metal pipe, a lower air pressing cylinder arranged on the bending clamping plates and in a guiding state, and clamping blocks fixed on the output ends of the lower air pressing cylinders, the long ends of the bending clamping plates are in an acute angle state with the horizontal plane, the short ends of the bending clamping plates are vertically upwards, the lower air pressing cylinders are arranged on the short ends of the bending clamping plates, the inclined angle of the long ends of the bending clamping plates deviates from the bending position of the metal pipe, the bending part of the bending clamping plates is clamped by the clamping blocks, and the lifting member comprises a plurality of vertical piston rods fixedly arranged on the ground and a second hydraulic cylinder fixedly connected with the bending clamping plates, and is used for driving the bending clamping plates to vertically move when the specification of the metal pipe changes, so that the axis of the metal pipe is collinear with the axis of the central shaft 4.

The metal tube is clamped by the clamp mechanism, the horizontal moving mechanism 1 pushes the end part of the rotating mechanism 2, which is close to the metal end, to move, the rotating mechanism 2 drives the plurality of steel wire wheels 7 to contact the outside of the metal tube, the rotating mechanism 2 drives the planetary gear set to start, the plurality of planetary shafts 5 revolve around the central shaft 4 and each planetary shaft 5 rotates around the axis of the planetary shaft 5, the planetary shafts 5 drive the grinding shaft 6 to rotate through the transmission member, the grinding shaft 6 drives the steel wire wheels 7 to rotate, the plurality of steel wire wheels 7 rotate and revolve, the metal tube is ground, and the metal tube cannot be excessively ground when burrs are removed.

When the specification of the metal tube is changed, the height of the clamp mechanism is adjusted through the lifting mechanism, so that the axis of the metal tube is collinear with the central shaft 4, the adjusting frame 8 is driven to rotate through the adjusting mechanism, the adjusting frame 8 drives the polishing shafts 6 to gather or spread, the steel wire wheels 7 can be in contact with the end parts of the metal tube, and the adjusting frame 8 and the central shaft 4 are fixed.

The transmission mechanism further comprises a first sliding block 9, at least one pair of connecting rods 10 and a synchronous belt 11, wherein the first sliding block 9 slides along the radial direction of the central shaft 4 and is in shaft connection with the polishing shaft 6, one end of each connecting rod 10 is rotationally connected with the corresponding planetary shaft 5 through a first hinge bolt 12, the other end of each connecting rod 10 is rotationally connected with the first sliding block 9 through a second hinge bolt 13, the other end of the other connecting rod 10 is rotationally connected with the planetary shaft 3 through a third hinge bolt 14, the third hinge bolt 14 is arranged close to the planetary shaft 5, the first hinge bolt 12, the second hinge bolt 13 and the third hinge bolt 14 are parallel to the polishing shaft 6 and are respectively provided with a first synchronous wheel 15 through first bearing sleeves, the polishing shaft 6 and the corresponding planetary shaft 5 are respectively and coaxially fixedly sleeved with a second synchronous wheel 16, a plurality of first synchronous wheels 15 and a plurality of second synchronous wheels 16 are respectively in transmission connection through the synchronous belt 11, and a first strip-shaped through groove 17 which is consistent with the radial direction of the central shaft 4 and is provided for the first hinge bolt 12 to slide on the adjusting frame 8.

Because the radial line of the first strip-shaped through groove 17 of the adjusting frame 8 and the radial line of the first sliding block 9 are in an intersecting state, the intersection point of the two radial lines is at the axis of the central shaft 4, when the angle between the two radial lines is increased, the first hinging bolt 12 slides in the first strip-shaped through groove 17 close to the central shaft 4 to drive the included angle of the pair of connecting rods 10 to be reduced, and one end of one connecting rod 10 is hinged with the planet carrier 3 through the third hinging bolt 14, the other connecting rod 10 drives the first sliding block 9 to move close to the planet shaft 5, so that the polishing shaft 6 is gathered close to the central shaft 4; when the adjusting frame 8 is reversely rotated and the included angle between the two radial lines is reduced, the first hinge bolt 12 slides in the first strip-shaped through groove 17 away from the central shaft 4, and the angle between the pair of connecting rods 10 is increased, so that the first sliding block 9 is pushed to slide away from the planetary shaft 5.

The first hinging bolts 12, the second hinging bolts 13 and the third hinging bolts 14 are parallel to the polishing shaft 6 and are provided with first synchronizing wheels 15 through first bearing sleeves, and the polishing shaft 6 and the corresponding planetary shafts 5 are coaxially and fixedly sleeved with second synchronizing wheels 16, so that when the included angle between the pair of connecting rods 10 is changed, the second synchronizing wheels 16 on the planetary shafts 5 can also drive the second synchronizing wheels 16 on the polishing shaft 6 to rotate through the synchronous belt 11.

The planetary gear set further comprises an annular rack 18 which is coaxial with the central shaft 4 and fixedly connected with the output end of the horizontal moving mechanism 1, a sun wheel 19 coaxially and fixedly sleeved on the central shaft 4, and a plurality of planetary gears 20 sleeved on the corresponding planetary shafts 5 in a one-to-one correspondence manner.

The annular rack 18 is fixed, so when the rotating mechanism 2 drives the central shaft 4 to rotate, the central shaft 4 drives the plurality of planetary gears 20 to revolve and rotate through the sun gear 19.

The annular rack 18 is close to the coaxial fixedly connected with ring piece 21 of one side periphery of horizontal migration mechanism 1, the coaxial fixedly connected with of one side that ring piece 21 kept away from annular rack 18 is with horizontal migration mechanism 1 output fixed connection's first dustproof section of thick bamboo 22, center pin 4 and first dustproof section of thick bamboo 22 coupling and wear out first dustproof section of thick bamboo 22 and be connected with rotary mechanism 2, the coaxial sliding connection of one side that ring piece 21 kept away from first dustproof section of thick bamboo 22 has the cover to establish the second dustproof section of thick bamboo 23 at annular rack 18, a plurality of groups transmission mechanism outsides and the outer side of regulating frame 8 and with planet carrier 3 fixed connection, and the opening end laminating ring piece 21 of second dustproof section of thick bamboo 23, the grinding shaft 6 wears out second dustproof section of thick bamboo 23 and wire wheel 7 and can dismantle and be connected.

The first dust-proof cylinder 22, the second dust-proof cylinder 23 and the ring piece 21 form a closed space, so that metal scraps in the polishing process affect the operation of the equipment, and the second dust-proof cylinder 23 and the ring piece 21 are attached and slide, because the second dust-proof cylinder 23 needs to rotate along the planet carrier 3 by taking the central shaft 4 as an axis.

The bottom of the second dustproof cylinder 23 is sunken with a second bar-shaped through groove for the corresponding polishing shaft 6 to horizontally move, a second sliding block 24 sliding with the second bar-shaped through groove is connected on the polishing shaft 6 in a shaft mode, and two opposite side walls of the second sliding block 24 are fixedly connected with interception plates 25 which are attached to the outer wall of the second dustproof cylinder 23 and used for covering the second bar-shaped through groove.

When a plurality of polishing shafts 6 gather together or are unfolded, the polishing shafts 6 can drive the second sliding blocks 24 to slide in the second strip-shaped through grooves, so that the blocking plates 25 are arranged in order to prevent metal scraps from entering the second dust-proof cylinder 23 through the second strip-shaped through grooves, the blocking plates 25 can be driven to move together when the second sliding blocks 24 slide, and the blocking plates 25 can always cover the second strip-shaped through grooves.

The adjusting frame 8 is provided with a pipe sleeve 26 which is sleeved on the central shaft 4 through a second bearing and penetrates through the second dustproof cylinder 23, and the transmission mechanism further comprises a first chuck 27 which is coaxially sleeved on the outer side of the pipe sleeve 26 and fixedly provided with the outer wall of the second dustproof cylinder 23, a second chuck 28 which is slidably sleeved on the outer side of the pipe sleeve 26 along the axis of the pipe sleeve 26 and can be separated from or clamped with the first chuck 27, a grab handle 29 fixedly connected with the second chuck 28, an end cover 30 fixed on the end part of the pipe sleeve 26 and a spring 31 for pushing the second chuck 28 to move close to the first chuck 27.

When the adjusting frame 8 needs to be driven to rotate, the grab handle 29 is shifted to a direction far away from the first chuck 27, the grab handle 29 drives the second chuck 28 to slide on the pipe sleeve 26 and separate from the first chuck 27, the grab handle 29 is rotated, the pipe sleeve 26 is driven to rotate by the second chuck 28, the pipe sleeve 26 drives the adjusting frame 8 to rotate, the grab handle 29 is loosened, the spring 31 can push the second chuck 28 to slide on the pipe sleeve 26 close to the first chuck 27, the first chuck 27 is clamped with the second chuck 28, and the adjusting frame 8 is fixed.

The side wall of the sleeve 26 is recessed with a third strip-shaped through groove 32 which is in the same length direction and the open end of which is communicated with the end part of the sleeve 26 close to the end cover 30, the second chuck 28 is fixedly connected with a guide strip 33 which vertically slides with the third strip-shaped through groove 32, the end cover 30 is penetrated with a guide bolt 34 which is screwed and fixed with the guide strip 33 in a sliding way, and the spring 31 is sleeved on the guide bolt 34, and the two ends of the spring are respectively abutted against the end cover 30 and the guide strip 33.

When the handle 29 is held and moved away from the first chuck 27, the second chuck 28 is driven to move away from the first chuck 27, the guide bar 33 slides in the third bar-shaped through groove 32 away from the first chuck 27, the distance between the guide bar 33 and the end cover 30 is reduced due to the restriction of the position of the end cover 30 by the guide bolt 34, and the spring 31 is compressed.

Since the guide bar 33 can only slide in the third bar-shaped through groove 32 along the axial direction of the pipe sleeve 26, when the grab handle 29 is rotated, the second chuck 28 can drive the pipe sleeve 26 to rotate through the guide bar 33, so as to drive the adjusting frame 8 to rotate, and after the grab handle 29 is released, the spring 31 can push the guide bar 33 to slide in the third bar-shaped through groove 32 close to the first chuck 27, so that the second chuck 28 is driven to be clamped with the first chuck 27.

The rotating mechanism 2 is a driving motor, and an output shaft of the driving motor is fixedly connected with the central shaft 4 coaxially through a coupler.

The steel wire wheel 7 is detachably mounted at the end part of the polishing shaft 6 through a mounting bolt 35, a gasket 36 which is abutted against the steel wire wheel 7 and used for increasing the contact area is further sleeved on the mounting bolt 35, and a first anti-slip groove is recessed in one side of the gasket 36, which is in contact with the steel wire wheel 7.

The steel wire wheel 7 can be replaced through the mounting bolts 35, the bearing area is increased by the gaskets 36, and the first protection groove can play a role in skid resistance.

The end part of the polishing shaft 6 far away from the planet carrier 3 is coaxially provided with an annular flange 37 for increasing the contact area with the wire wheel 7, and one surface of the annular flange 37, which is in contact with the wire wheel 7, is recessed with a second anti-slip groove.

Because it is necessary to drill holes and tap holes in the grinding shaft 6 for the mounting bolts 35 to be screwed, in order to enhance the strength of the grinding shaft 6, the annular flange 37 is added, and the second anti-slip grooves also increase the friction with the grinding wheel, reducing the probability of the grinding wheel slipping.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Furthermore, any combination of the various embodiments of the invention is possible, as long as it does not depart from the gist of the invention, which is also regarded as disclosed in the present invention.

Claims

1. The polishing device for the end part of the metal pipe comprises a horizontal moving mechanism (1), a clamp mechanism for clamping a horizontal steel pipe and a lifting mechanism for driving the clamp mechanism to move vertically, and is characterized by further comprising a rotating mechanism (2) arranged at the output end of the horizontal moving mechanism (1) and a planetary gear set arranged at the output end of the horizontal moving mechanism (1) and connected with the output shaft of the rotating mechanism (2); wherein, the liquid crystal display device comprises a liquid crystal display device,

the planetary gear set comprises a planet carrier (3) which is far away from a rotating mechanism (2), a horizontal central shaft (4) which can rotate along the radial direction of the central shaft (4) and is in shaft connection with the planet carrier (3), and a plurality of planet shafts (5) which are parallel to the central shaft (4) and can revolve around the central shaft (4) and are simultaneously rotated and are in shaft connection with the planet carrier (3), a plurality of groups of transmission mechanisms which are connected with the planet shafts (5) in a one-to-one correspondence manner are arranged on the planet carrier (3), the transmission mechanisms comprise polishing shafts (6) which can slide along the radial direction of the central shaft (4) and are parallel to the central shaft (4) and rotate along the central shaft (5) and rotate along the axis, the polishing shafts (6) are far away from the end part of the rotating mechanism (2) and are coaxially and detachably connected with a steel wire wheel (7), and an adjusting mechanism which is used for driving the polishing shafts (6) to slide on the planet carrier (3) is arranged on the central shaft (4), and the adjusting mechanism comprises an adjusting frame (8) which is coaxially arranged with the central shaft (4) and is connected with a plurality of groups of transmission mechanisms, and the adjusting frame (8) can rotate for fixing the central shaft (4).

2. The metal pipe end polishing device according to claim 1, wherein the transmission mechanism further comprises a first sliding block (9) which slides along the radial direction of the central shaft (4) with the planet carrier (3) and is axially connected with the polishing shaft (6), at least one pair of connecting rods (10) and a synchronous belt (11), one end of each connecting rod (10) is rotationally connected through a first hinging bolt (12), the other end of each connecting rod (10) is rotationally connected with the first sliding block (9) through a second hinging bolt (13), the other end of the other connecting rod (10) is rotationally connected with the planet carrier (3) through a third hinging bolt (14), the third hinging bolt (14) is arranged close to the planet shaft (5), the first hinging bolt (12), the second hinging bolt (13) and the third hinging bolt (14) are parallel to the polishing shaft (6) and are respectively provided with a first synchronous wheel (15) through first bearing sleeves, each polishing shaft (6) and the corresponding planet shaft (5) are respectively and coaxially and fixedly sleeved with a second synchronous wheel (16), the first synchronous wheel (15) and the second synchronous wheel (15) are respectively connected with the first synchronous belt (11) through a plurality of transmission wheels, the adjusting frame (8) is recessed with a first strip-shaped through groove (17) which is consistent with the radial direction of the central shaft (4) and through which the first hinge bolt (12) slides.

3. The metal pipe end polishing device according to claim 2, wherein the planetary gear set further comprises an annular rack (18) which is coaxial with the central shaft (4) and fixedly connected with the output end of the horizontal moving mechanism (1), a sun wheel (19) which is coaxially and fixedly sleeved on the central shaft (4), and a plurality of planetary gears (20) which are sleeved on the corresponding planetary shafts (5) in a one-to-one correspondence manner.

4. A metal pipe end polishing device according to claim 3, characterized in that, the annular rack (18) is close to the coaxial fixedly connected with ring piece (21) of one side periphery of horizontal migration mechanism (1), the coaxial fixedly connected with of one side that ring piece (21) kept away from annular rack (18) is with first dustproof section of thick bamboo (22) of horizontal migration mechanism (1) output fixed connection, center pin (4) and first dustproof section of thick bamboo (22) coupling and wear out first dustproof section of thick bamboo (22) and be connected with rotary mechanism (2), the coaxial sliding connection of one side that ring piece (21) kept away from first dustproof section of thick bamboo (22) has the cover to establish in annular rack (18), a plurality of groups of drive mechanism outsides and the outside of regulating frame (8) and with planet carrier (3) fixed connection's second dustproof section of thick bamboo (23), and the open end laminating ring piece (21) of second dustproof section of thick bamboo (23), second dustproof section of thick bamboo (23) are worn out to polish axle (6) and are connected with wire wheel (7) can dismantle.

5. The metal pipe end polishing device according to claim 4, wherein a second bar-shaped through groove for horizontally moving a corresponding polishing shaft (6) is recessed in the bottom of the second dust-proof cylinder (23), a second sliding block (24) sliding with the second bar-shaped through groove is connected to the polishing shaft (6) in a shaft mode, and two opposite side walls of the second sliding block (24) are fixedly connected with interception plates (25) attached to the outer wall of the second dust-proof cylinder (23) and used for covering the second bar-shaped through groove.

6. The metal pipe end polishing device according to claim 4, wherein the adjusting frame (8) is provided with a pipe sleeve (26) protruding from the adjusting frame, the pipe sleeve is sleeved on the central shaft (4) through a second bearing and penetrates through the second dustproof barrel (23), the transmission mechanism further comprises a first chuck (27) coaxially sleeved on the outer side of the pipe sleeve (26) and fixedly provided with the outer wall of the second dustproof barrel (23), a second chuck (28) slidably sleeved on the outer side of the pipe sleeve (26) along the axis of the pipe sleeve (26) and capable of being separated from or clamped with the first chuck (27), a grab handle (29) fixedly connected with the second chuck (28), an end cover (30) fixed on the end part of the pipe sleeve (26) and a spring (31) for pushing the second chuck (28) to move close to the first chuck (27).

7. The metal pipe end polishing device according to claim 6, wherein a third strip-shaped through groove (32) which is in the same length direction and is communicated with the end, close to the end cover (30), of the pipe sleeve (26) at the opening end is recessed in the side wall of the pipe sleeve (26), a guide bar (33) which vertically slides with the third strip-shaped through groove (32) is fixedly connected to the second chuck (28), a guide bolt (34) which is fixedly connected with the guide bar (33) in a rotating mode is arranged on the end cover (30) in a sliding mode, and the spring (31) is sleeved on the guide bolt (34) and two ends of the spring are respectively abutted to the end cover (30) and the guide bar (33).

8. The metal pipe end polishing device according to claim 1, wherein the rotating mechanism (2) is a driving motor, and an output shaft of the driving motor is fixedly connected with the central shaft (4) coaxially through a coupling.

9. The metal pipe end polishing device according to claim 1, wherein the steel wire wheel (7) is detachably mounted at the end part of the polishing shaft (6) through a mounting bolt (35), a gasket (36) which is abutted against the steel wire wheel (7) and used for increasing the contact area is further sleeved on the mounting bolt (35), and a first anti-slip groove is recessed in one side, which is contacted with the steel wire wheel (7), of the gasket (36).

10. A metal pipe end polishing device according to claim 1, characterized in that the end of the polishing shaft (6) far from the planet carrier (3) is coaxially protruded with an annular flange (37) for increasing the contact area with the wire wheel (7), and the surface of the annular flange (37) contacted with the wire wheel (7) is recessed with a second anti-slip groove.