CN210388561U

CN210388561U - Automatic rust removing device for inner wall of metal pipe

Info

Publication number: CN210388561U
Application number: CN201921543259.5U
Authority: CN
Inventors: 刘传
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-24
Anticipated expiration: 2029-09-17

Abstract

The utility model provides an automatic rust removing device for the inner wall of a metal tube, which relates to the field of rust removing of the inner wall of the metal tube and comprises a base, a driving component and a polishing component, the grinding assembly comprises a grinding tool for grinding the inner wall of the metal pipe and a fixing assembly for fixing the grinding tool, an elastic layer is arranged on the outer side of the fixing component, the grinding tool is attached to the inner wall of the metal pipe on the outer side of the elastic layer, the inner side of the fixed component is connected with a rotating shaft through a power component, the rotating shaft is sleeved with a connecting pipe, the rotating shaft rotates relative to the connecting pipe to form a structure that the grinding tool rotates under the action of the power assembly and clings to the inner wall of the metal pipe, and meanwhile, the elastic layer is extruded to realize that the fixed position of the grinding tool on the fixing assembly is adaptive to the inner wall of the metal pipe to change, and the structure is used for removing rust on the inner walls of metal pipes with different shapes and sizes.

Description

Automatic rust removing device for inner wall of metal pipe

Technical Field

The utility model relates to an automatic rust cleaning device for metal pipe inner wall.

Background

The fields of piling, structure, steel structure, bearing and drainage in building construction generally relate to the use of metal pipes with various shapes and sizes, in the subsequent maintenance of the metal pipes, the rust removal work is more important operation, and the commonly used modes for removing rust on the inner walls of the metal pipes in the prior art comprise two modes of physical rust removal and chemical rust removal.

The chemical rust removal method is to use a rust remover with certain acidity and alkalinity to clean the inner wall of the metal pipe, but the method is not easy to control the using amount of the rust remover, if the dosage of the rust remover is insufficient, the rust removal is incomplete, the rust removal effect is poor, if the dosage of the rust remover is excessive, the redundant rust removing liquid can further react with the metal pipe to cause certain damage to the metal pipe, and the rust removing liquid directly discharges due to the chemical property to cause certain pollution to the environment, and the used rust removing liquid needs further treatment to increase the use cost;

physical rust removal is generally carried out by extending a grinding tool into a metal pipe to polish the inner wall of the metal pipe, a die is in contact with a rusted part of the inner wall of the metal pipe and rubs the rusted part until the rusted part of the inner wall of the metal pipe falls off, the existing automatic rust removal device mostly carries out rust removal on the metal pipe with the same size, and when metal pipes with other pipe diameters are polished, the part extending into the pipe in the rust removal device needs to be correspondingly replaced to enable the grinding tool to be attached to the inner wall of a pipeline;

meanwhile, the existing automatic rust removing device is mainly used for removing rust on the inner wall of a circular tube without edges, a mold cannot be always kept in a fit state with the inner wall of the metal tube when a grinding tool of the rust removing device polishes the inner wall of the polygonal metal tube, and the effect of removing rust on the inner wall of the polygonal metal tube is poor.

In combination with the above problems, it is desirable to provide an automatic rust removing device that can be used for removing rust on the inner walls of metal pipes of different shapes and sizes.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic rust cleaning device for carrying out the rust cleaning to the inner wall of the tubular metal resonator of different shapes, size.

The technical scheme of the utility model is realized like this: the automatic rust removing device for the inner wall of the metal pipe comprises a base, a driving component and a grinding component, wherein the driving component is arranged on the base, the grinding assembly moves in the metal pipe along the axial direction of the metal pipe under the driving of the driving assembly, the grinding assembly comprises a grinding tool for grinding the inner wall of the metal pipe and a fixing assembly for fixing the grinding tool, an elastic layer is arranged on the outer side of the fixing component, the grinding tool is fixed on the outer wall of the elastic layer and is attached to the inner wall of the metal pipe, the inner side of the fixed component is connected with a rotating shaft through a power component, the rotating shaft is sleeved with a connecting pipe, the rotating shaft rotates relative to the connecting pipe to form a structure that the grinding tool rotates along the inner wall of the metal pipe under the action of the power assembly and simultaneously extrudes the elastic layer to realize that the fixed position of the grinding tool on the fixing assembly is adaptive to the inner wall of the metal pipe to change.

The technical effect of the scheme is as follows: when the rust removal is performed on the inner wall of the metal pipe, the polishing assembly extends into the metal pipe and moves along the axial direction of the metal pipe under the driving of the driving mechanism, a grinding tool in the polishing assembly is attached to the inner wall of the metal pipe, the polishing assembly is connected with the fixing assembly through the elastic layer, the power assembly drives the fixing assembly to rotate outside the metal pipe to further drive the grinding tool in the fixing assembly to rotate relative to the inner wall of the metal pipe, the grinding tool extrudes the elastic layer when rotating relative to the inner wall of the metal pipe to enable the elastic layer to achieve real-time adjustment relative to the mounting position in the fixing assembly, the grinding tool is further guaranteed to be always kept in an attached state with the inner wall of the metal pipe in the rotating process, and the rust removal is performed on the metal pipes with.

On the basis of the scheme, the fixing assembly is further improved as follows, the fixing assembly comprises a metal shell, and the shell is of a V-shaped structure.

The technical effect of the scheme is as follows: the shape of the fixing component is not easy to deform, and the fixing component provides certain support for the elastic layer at the inner side of the elastic layer when the elastic layer is extruded, so that the fixing component has good support strength.

On the basis of the scheme, the grinding tool is further improved as follows, and the grinding tool is a steel wire wheel

The technical effect of the scheme is as follows: the steel wire wheel has better derusting effect when being used for polishing rusted metal pipes, and the service life of the grinding wheel is longer.

On the basis of the scheme, the grinding tool is further improved in that the elastic layer comprises a sponge layer and an elastic rubber layer, the sponge layer is located between the fixing component and the elastic rubber layer, and the grinding tool is fixed on the outer side of the elastic rubber layer through a mounting component.

On the basis of the scheme, the sponge layer is further improved as follows, and a spring is embedded in the sponge layer.

The technical effect of the scheme is as follows: the sponge layer and the elastic rubber layer have good elasticity and deformability, and the springs embedded in the sponge layer can further enhance the tightness of the fit between the grinding tool and the inner wall of the metal pipe in the derusting process and enhance the derusting effect on the inner wall of the metal pipe.

On the basis of the scheme, the elastic rubber layer is further improved in that the end face of the elastic rubber layer is of a sawtooth structure.

The technical effect of the scheme is as follows: when the elastic rubber layer is extruded in the metal pipe, the elastic rubber layer can be quickly adapted to the deformation of the inner wall of the metal pipe, so that the grinding tool can be always kept in a fit state with the inner wall of the metal pipe when rotating relative to the inner wall of the metal pipe, the metal pipes with different shapes can be derusted, and the derusting effect on the metal pipe is improved.

On the basis of the scheme, the improvement is as follows, the installation component comprises a first installation part and a second installation part, the first installation part is fixed on the outer wall of the elastic rubber layer, clamping pieces are extended on two sides of the first installation part, clamping grooves matched with the clamping pieces are formed in the second installation part, the grinding tool is fixed on the second installation part, and the second installation part is connected with the first installation part in a clamping groove joint mode.

The technical effect of the scheme is as follows: earlier install the grinding apparatus in the second installation department in the installation, pass through the draw-in groove joint with the second installation department on first installation department, further made things convenient for the installation and the dismantlement of grinding apparatus.

On the basis of the scheme, the rotating shaft is further improved as follows, and the rotating shaft is a cylindrical roller bearing.

The technical effect of the scheme is as follows: the cylindrical roller bearing can be better suitable for the condition of high-speed rotation, reduces the friction force between the inner wall of the connecting pipe and the rotating shaft, reduces the resistance generated when the rotating shaft rotates relative to the connecting pipe, can realize that the rotating shaft rotates rapidly relative to the connecting pipe, and then drives the grinding tool to rotate rapidly relative to the metal pipe, and strengthens the derusting effect on the metal pipe.

On the basis of the scheme, the polishing device is further improved in the following mode, the driving assembly comprises an air cylinder, one end of the air cylinder is fixedly connected with the base, the other end of the air cylinder is connected with the end part of the connecting pipe, and a structure that the air cylinder pushes the polishing assembly to move in the metal pipe along the radial direction of the polishing assembly through the connecting pipe is formed.

The technical effect of the scheme is as follows: the cylinder can promote the removal of the subassembly of polishing along its axial position in the tubular metal resonator through flexible, realizes the change of the subassembly of polishing at the tubular metal resonator inner wall position of polishing.

On the basis of the scheme, the power assembly is further improved as follows, a fixing plate is arranged in the fixing assembly, the power assembly is fixedly installed in the fixing assembly through the fixing plate, and the power assembly comprises a motor and a power supply.

The technical effect of the scheme is as follows: the fixed plate has increased the joint strength between power component and the fixed subassembly, has further increased fixed subassembly relative tubular metal resonator pivoted stability under the power component effect, reduces the beating that produces when the relative tubular metal resonator of grinding apparatus rotates, further strengthens the rust cleaning effect to the tubular metal resonator outer wall.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the polishing assembly of the present invention in a vertical direction;

FIG. 3 is a schematic structural view of the connection between the wire wheel and the second mounting portion of the present invention;

wherein: 11-shell, 12-elastic layer, 121-elastic rubber layer, 122-sponge layer, 13-spring, 2-grinding tool, 21-first mounting part, 22-second mounting part, 31-power supply, 32-motor, 33-connecting pipe, 34-rotating shaft, 35-fixing plate, 4-base and 5-cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model discloses a concrete embodiment of an automatic rust cleaning device for metal tube inner wall, as shown in fig. 1-3:

including base 4, drive assembly and the subassembly of polishing, drive assembly installs on base 4, the subassembly of polishing is at drive assembly drive down in the tubular metal resonator along tubular metal resonator axial direction removal and polish the inner wall of tubular metal resonator, the subassembly of polishing is including being used for carrying out the grinding apparatus 2 of polishing to the tubular metal resonator inner wall and being used for carrying out the fixed subassembly of fixing to grinding apparatus 2, the fixed subassembly outside is equipped with elastic layer 12, grinding apparatus 2 is in the laminating of the outside and the tubular metal resonator inner wall of elastic layer 12, fixed subassembly inboard is connected with pivot 34 through power component, pivot 34 cup joint has connecting pipe 33, pivot 34 rotates relative connecting pipe 33, it rotates to form grinding apparatus 2 inner wall of pasting the tubular metal resonator under power component's effect and extrudees elastic layer 12 simultaneously and realizes that its fixed position on fixed subassembly adapts to the inner wall of tubular metal resonator changes the structure.

Wherein, base 4 can be through the bolt fastening subaerial, increases the fixed stability on base 4 relative ground, further reduces rocking that produces in the rust cleaning device course of operation, increases the stability of its work.

The driving assembly can be a cylinder 5, one end of the cylinder 5 is fixedly connected with the base 4 through a bolt, the cylinder 5 is arranged in parallel relative to the ground, the other end of the cylinder 5 is connected with the polishing assembly, and the cylinder 5 and the polishing assembly can be connected through a bolt.

The grinding assembly comprises a grinding tool 2 and a fixing assembly, the grinding tool 2 can be a grinding wheel ring or a steel wire wheel, in the embodiment, the grinding tool 2 adopts the steel wire wheel, the steel wire wheel has a better rust removal effect when grinding the outer wall of the metal pipe, and meanwhile, the service life of the steel wire wheel is longer;

the fixing component comprises a shell 11, the shell 11 is composed of two rectangular plates, the two rectangular plates are fixedly connected through one side edge, the cross sections of the two rectangular plates in the vertical direction are in a V-shaped structure, the open ends of the two rectangular plates can be connected through an arc-shaped plate or a rectangular plate, the upper parts of the two rectangular plates can seal the shell 11 through triangular plates, one triangular plate is provided with a circular through hole matched with a connecting pipe 33, the connecting pipe 33 extends out of the shell 11 through the through hole and is connected with the air cylinder 5, the inner side of the shell 11 is fixedly provided with a power component, the power component comprises a motor 32 and a power supply 31, wherein the motor 32 is connected with the power supply 31 through a conducting wire, the power supply 31 preferably selects a rechargeable lithium battery, a fixing plate 35 with a rectangular plate-shaped structure is fixed in the shell 11, the motor 32 and the power supply 31 are fixed on the, the rotating shaft 34 is a cylindrical roller bearing, the outer side of the rotating shaft 34 is sleeved with a connecting pipe 33 with a circular cylindrical structure, the motor 32 and the rotating shaft 34 are relatively fixed, and the rotating shaft 34 is driven to rotate relative to the connecting pipe 33 when the motor 32 works;

the elastic layer 12 is laid on the outer side of the shell 11, the elastic layer 12 comprises a sponge layer 122 and an elastic rubber layer 121, the sponge layer 122 is located between the elastic rubber layer 121 and the shell 11, the outer side of the elastic rubber layer 121 is of a saw-toothed structure, a spring 13 is embedded in the sponge layer 122, the sponge layer 122 and the elastic rubber layer 121 are of an arc structure, and the grinding tool 2 is installed on the outer side of the elastic rubber layer 121 through an installation component;

the installation component comprises a first installation part 21 and a second installation part, wherein the first installation part 21 is a rectangular plate-shaped structure, clamping pieces are formed at two opposite ends of the first installation part 21, the section of each clamping piece in the horizontal direction is rectangular, the second installation part is a rectangular plate-shaped structure, clamping grooves matched with the clamping pieces are formed at two ends of the second installation part, the sections of the clamping grooves in the horizontal direction are U-shaped structures matched with the clamping pieces, a grinding tool 2 can be suitable for being fixed on the second installation part by screws, the second installation part 22 is further sleeved on the clamping pieces on the first installation part 21 through the clamping grooves, the grinding tool 22 can be taken down when the grinding tool is not used, and the installation and the disassembly of the grinding tool 2 are further facilitated.

The utility model discloses a concrete using-way as follows:

firstly, a base 4 is fixed on the ground through bolts, a polishing component extends into a metal pipe and a connecting pipe 33 is fixed with a cylinder 5, a grinding tool 2 is jointed with the inner wall of the metal pipe and extrudes an elastic rubber layer 121 and a sponge layer 122, the elastic rubber layer 121 and the sponge layer 122 deform, when the grinding tool 2 extrudes the sponge layer 122, a spring 13 embedded in the sponge layer 122 is extruded to generate elasticity to further increase the pressure between the grinding tool 2 and the outer wall of the metal pipe, the grinding tool 2 is tightly jointed with the inner wall of the metal pipe, a motor 32 and a rotating shaft 34 drive a shell 11 to rotate relative to the inner wall of the metal pipe through a fixing plate 35, the grinding tool 2 rotates relative to the inner wall of the metal pipe to remove rust on the inner wall of the metal pipe, when the special-shaped pipe is removed rust, the grinding tool 2 rotates relative to the outer wall of the pipe, the elastic rubber layer 121 and the sponge, the rust removal work of the special-shaped pipe is realized.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic derusting device for the inner wall of a metal tube comprises a base, a driving component and a polishing component, the driving assembly is arranged on the base, the grinding assembly moves in the metal pipe along the axial direction of the metal pipe under the driving of the driving assembly, it is characterized in that the grinding component comprises a grinding tool for grinding the inner wall of the metal pipe and a fixing component for fixing the grinding tool, an elastic layer is arranged on the outer side of the fixing component, the grinding tool is arranged on the outer wall of the elastic layer and is attached to the inner wall of the metal pipe, the inner side of the fixed component is connected with a rotating shaft through a power component, the rotating shaft is sleeved with a connecting pipe, the power assembly drives the rotating shaft to rotate relative to the connecting pipe, and a structure that the grinding tool is attached to the inner wall of the metal pipe to rotate under the action of the power assembly and simultaneously extrudes the elastic layer to realize that the fixing position of the grinding tool on the fixing assembly is adaptive to the inner wall of the metal pipe to change is formed.

2. The automatic rust removing device for the inner wall of the metal pipe as claimed in claim 1, wherein the fixing assembly comprises a metal housing having a V-shaped structure.

3. The automatic rust removing apparatus for the inner wall of metal pipes according to claim 1, wherein the grinding tool is a wire wheel.

4. The automatic rust removing apparatus for the inner wall of a metal pipe as claimed in claim 1, wherein the elastic layer comprises a sponge layer and an elastic rubber layer, the sponge layer is located between the fixing member and the elastic rubber layer, and the grinding tool is fixed on the outer side of the elastic rubber layer by a mounting member.

5. The automatic rust removing device for the inner wall of the metal pipe as claimed in claim 4, wherein the mounting assembly comprises a first mounting part and a second mounting part, the first mounting part is fixed on the outer wall of the elastic rubber layer, clamping pieces extend from two sides of the first mounting part, a clamping groove matched with the clamping pieces is formed in the second mounting part, the grinding tool is fixed on the second mounting part, and the second mounting part is clamped on the first mounting part through the clamping groove.

6. The automatic rust removing apparatus for the inner wall of metal pipes according to claim 4, wherein springs are embedded in the sponge layers.

7. The automatic rust removing apparatus for the inner wall of a metal pipe as claimed in claim 4, wherein the outer side wall of the elastic rubber layer is of a saw-toothed structure.

8. The automatic rust removing apparatus for the inner wall of metal pipes according to claim 1, wherein the rotating shaft is a cylindrical roller bearing.

9. The automatic rust removing device for the inner wall of the metal pipe as claimed in claim 1, wherein the driving assembly comprises a cylinder, one end of the cylinder is fixedly connected with the base, and the other end of the cylinder is connected with the end of the connecting pipe, so that the cylinder pushes the grinding assembly to move in the metal pipe along the radial direction thereof through the connecting pipe.

10. The automatic rust removing device for the inner wall of the metal pipe as claimed in claim 1, wherein a fixing plate is provided in the fixing assembly, the power assembly is fixedly installed in the fixing assembly through the fixing plate, and the power assembly comprises a motor and a power supply.