阅读说明：本技术 一种机械加工用管道打磨装置 (Pipeline grinding device for machining ) 是由 曹胜彬 仝光 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种机械加工用管道打磨装置,包括底板和控制单元,底板上还依次设置有：打磨机构、第一驱动机构、第二驱动机构和夹紧机构；打磨机构用于对管道的内壁进行打磨抛光；第一驱动机构用于驱动打磨机构动作；第二驱动机构用于驱动打磨机构和第一驱动机构沿管道的轴线方向做直线往复运动；夹紧机构用于夹紧固定管道；控制单元用于控制打磨机构、第一驱动机构、第二驱动机构和夹紧机构动作。本发明可以对不同长度以及不同半径管道的内壁进行打磨抛光,打磨效率高；并且可以自动收缩微调以避免与凸起位置发生剧烈碰撞,从而避免自适应打磨头被损坏,从而提高装置的适用性；同时无需技术水平高的工作人员,从而有效降低了人工成本。(The invention discloses a pipeline polishing device for machining, which comprises a bottom plate and a control unit, wherein the bottom plate is sequentially provided with: the polishing mechanism, the first driving mechanism, the second driving mechanism and the clamping mechanism are arranged on the base; the grinding mechanism is used for grinding and polishing the inner wall of the pipeline; the first driving mechanism is used for driving the polishing mechanism to act; the second driving mechanism is used for driving the grinding mechanism and the first driving mechanism to do linear reciprocating motion along the axis direction of the pipeline; the clamping mechanism is used for clamping and fixing the pipeline; the control unit is used for controlling the grinding mechanism, the first driving mechanism, the second driving mechanism and the clamping mechanism to act. The invention can polish the inner walls of pipelines with different lengths and different radiuses, and has high polishing efficiency; the self-adaptive polishing head can be automatically contracted and finely adjusted to avoid severe collision with the raised position, so that the self-adaptive polishing head is prevented from being damaged, and the applicability of the device is improved; meanwhile, workers with high technical level are not needed, so that the labor cost is effectively reduced.)

1. The utility model provides a pipeline grinding device for machining, its characterized in that, includes bottom plate (1) and the control unit (6), still set gradually on bottom plate (1): the grinding mechanism (2), the first driving mechanism (3), the second driving mechanism (4) and the clamping mechanism (5);

the grinding mechanism (2) is used for grinding and polishing the inner wall of the pipeline (8);

the first driving mechanism (3) is used for driving the grinding mechanism (2) to act;

the second driving mechanism (4) is used for driving the grinding mechanism (2) and the first driving mechanism (3) to do linear reciprocating motion along the axial direction of the pipeline (8);

the clamping mechanism (5) is used for clamping and fixing the pipeline (8);

the control unit (6) is used for controlling the grinding mechanism (2), the first driving mechanism (3), the second driving mechanism (4) and the clamping mechanism (5) to act.

2. A pipe grinding device for machining according to claim 1, wherein the grinding mechanism (2) comprises: the device comprises a vertical seat (201), an outer sleeve (202), a locking nut (203), an inner insert rod (204), a cylindrical assembling block (205) and at least three groups of self-adaptive polishing heads (206);

the vertical seat (201) is vertically arranged;

the outer sleeve (202) is horizontally arranged, one end of the outer sleeve (202) is rotatably arranged at the upper part of the vertical seat (201), and the other end of the outer sleeve (202) is in threaded connection with a locking nut (203);

one end of the inner rod (204) is movably arranged inside the outer sleeve (202) in a penetrating way, and the inner rod (204) is locked with the outer sleeve (202) through the locking nut (203);

the cylindrical assembling block (205) is fixedly arranged at the end part of the extending end of the inner inserting rod (204);

at least three groups of self-adaptive polishing heads (206) are all fixedly arranged on the side surface of the cylindrical assembling block (205), and the at least three groups of self-adaptive polishing heads (206) are distributed around the cylindrical assembling block (205) in an annular equal angle manner.

3. The pipe grinding apparatus for machining according to claim 2, wherein the outer sleeve (202) has a threaded portion (207) at an end thereof, the threaded portion (207) is notched, a lock nut (203) is threadedly engaged with the threaded portion (207), and an end of the inner rod (204) passes through the lock nut (203) and the threaded portion (207) and then extends into the outer sleeve (202).

4. The pipe polishing device for machining according to claim 3, wherein a vertical plate (208) is fixedly mounted at the top of the vertical seat (201), a vertically arranged elongated mounting groove (213) is formed in the vertical plate (208), a screw (209) is mounted inside the elongated mounting groove (213), a butterfly handle (210) is screwed to one end of the screw (209), a mounting plate (211) is fixedly mounted at the other end of the screw (209), a first proximity sensor (212) is fixedly mounted on one side surface of the mounting plate (211) opposite to the vertical plate (208), and a signal output end of the first proximity sensor (212) is connected with the control unit (6).

5. A pipe grinding device for machining according to claim 2, 3 or 4, characterized in that each set of said adaptive grinding heads (206) comprises: a cylindrical housing (2061), a spring (2067), a guide block (2066), a connecting rod (2062), a sleeve (2063) and a cylindrical polishing disc (2064);

the cylindrical shell (2061) is fixedly arranged on the side surface of the cylindrical assembling block (205), and a cavity is formed in the cylindrical shell (2061);

the spring (2067) and the guide block (2066) are both arranged in the cavity, one end of the spring (2067) is connected with the bottom of the cavity, the other end of the spring (2067) is connected with the guide block (2066), and the spring (2067) is in a compressed state;

the connecting rod (2062) is movably arranged at one end, far away from the cylindrical assembling block (205), of the cylindrical shell (2061), and one end of the connecting rod (2062) is fixedly connected with one side, back to the spring (2067), of the guide block (2066);

the sleeve (2063) is fixedly sleeved outside the other end of the connecting rod (2062) through a locking bolt (2065);

the cylindrical polishing disc (2064) is fixedly arranged at one end part of the sleeve (2063) back to the cylindrical shell (2061).

6. A pipe grinding device for machining according to claim 5, characterized in that the first driving mechanism (3) comprises a first motor (301), a driving pulley (302) and a driven pulley (303);

the driving belt pulley (302) is fixedly installed at the end part of a rotating shaft of the first motor (301), the driven belt pulley (303) is fixedly installed at one end, close to the vertical seat (201), of the outer sleeve (202), and the driven belt pulley (303) is connected with the driving belt pulley (302) through a belt (304).

7. A pipe grinding device for machining according to claim 4, characterized in that the second drive mechanism (4) comprises: the device comprises two fixed seats (401), two sliding rods (402), a screw rod (403), a moving seat (404) and a second motor (405);

the two fixed seats (401) are fixedly arranged on the upper part of the bottom plate (1) in parallel;

the screw rod (403) is rotatably installed on the two fixed seats (401) through a bearing, the two sliding rods (402) are symmetrically distributed on two sides of the screw rod (403), and two ends of the two sliding rods (402) are respectively and correspondingly connected with the two fixed seats (401);

the movable base (404) is sleeved on the screw rod (403) and the two sliding rods (402), the movable base (404) is in threaded connection with the screw rod (403), and the movable base (404) is in sliding connection with the two sliding rods (402);

the second motor (405) is fixedly arranged on the upper portion of the base plate (1), a rotating shaft of the second motor (405) is fixedly connected with one end of the screw rod (403), and the vertical seat (201) and the first motor (301) are fixedly arranged on the upper portion of the movable seat (404);

wherein, all inlay on two fixing bases (401) and be equipped with second proximity sensor (406), the signal output part of second proximity sensor (406) is connected with control unit (6).

8. The pipe grinding device for machining according to claim 7, wherein there are two sets of clamping mechanisms (5), the two sets of clamping mechanisms (5) are alternately fitted over the pipe (8), each set of clamping mechanisms (5) includes: an annular fixed ring (501) and at least three electric push rods (502);

the annular fixing ring (501) is fixedly arranged on the upper part of the bottom plate (1) through a stand column (506), and the annular fixing ring (501) is respectively and coaxially arranged with the outer sleeve (202), the inner inserted rod (204) and the cylindrical assembling block (205);

the electric push rod (502) is embedded on the annular fixing ring (501), and the electric push rod (502) is arranged in an annular equal angle manner;

the end part of a piston rod of the electric push rod (502) is fixedly provided with an arc-shaped pressing plate (504) through a pressure sensor (505), the arc-shaped pressing plate (504) is located inside the annular fixing ring (501), two ends of the arc-shaped pressing plate (504) are fixedly provided with cylindrical pressing blocks (503), and the cylindrical pressing blocks (503) are pressed on the outer surface of the pipeline (8).

9. A pipe grinding device for machining according to claim 1, characterized in that the control unit (6) comprises: the device comprises a control box (601), a rear cover plate (602), a touch display screen (604), a status indicator lamp (607), a loudspeaker (606), a power switch (605) and a controller (603);

the control box (601) is fixedly arranged at the upper part of the bottom plate (1) through a vertical rod (608), and the rear cover plate (602) is arranged at the rear part of the control box (601) through a screw;

the touch display screen (604), the status indicator lamp (607), the loudspeaker (606) and the power switch (605) are fixedly arranged outside the control box (601);

the controller (603) is fixedly installed in the control box (601), the controller (603) is respectively connected with the touch display screen (604), the status indicator lamp (607), the loudspeaker (606) and the power switch (605), and the controller (603) is further connected with the first driving mechanism (3), the second driving mechanism (4) and the clamping mechanism (5).

10. The pipe grinding device for machining according to claim 1, further comprising a dust collecting mechanism (7), wherein the dust collecting mechanism (7) comprises a dust collecting cloth bag (701) and fan blades (702);

an elastic band is sewn at the opening of the dust collecting cloth bag (701), and the opening of the dust collecting cloth bag (701) is sleeved outside one end, far away from the vertical seat (201), of the pipeline (8);

the fan blades (702) are fixedly sleeved on the grinding mechanism (2), and the blowing wind direction of the fan blades (702) faces to the dust collecting cloth bag (701).

Technical Field

The invention relates to the technical field of machining, in particular to a pipeline polishing device for machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The surface treatment is a process method for artificially forming a surface layer with mechanical, physical and chemical properties different from those of a substrate on the surface of a substrate material. The purpose of the surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of the product. For metal castings, mechanical polishing, chemical treatment, surface heat treatment and surface spraying are common surface treatment methods, and the surface treatment is to clean, deburr, remove oil stains, remove oxide scales and the like on the surface of a workpiece.

The prior equipment for polishing the inner wall of the large-size pipeline has the following problems:

during polishing, the difficulty of coaxially arranging the central shaft of the pipeline and the central shaft of the polishing mechanism is high, the technical level of workers is high, and the labor cost is high;

secondly, the polishing mechanism of the polishing equipment for the inner wall of the large-size pipeline is generally fixed at present, and the inner walls of pipelines with different inner diameters and lengths are difficult to polish, so that the applicability is poor;

thirdly, the polishing mechanism of the polishing equipment for the inner wall of the large-size pipeline is generally fixed at present, the polishing inner diameter range of the polishing mechanism is difficult to automatically fine adjust, and once the inner wall of the pipeline is raised, the polishing head of the polishing mechanism is damaged, so that the practicability of the polishing mechanism is poor;

at present, the equipment for polishing the inner wall of the large-size pipeline generates dust in the process of polishing the pipeline, dust removal equipment is additionally matched for dust removal, polishing cost can be improved, and even if the dust removal equipment is matched, the dust removal effect is still not ideal.

Therefore, the pipeline polishing device for machining is provided.

Disclosure of Invention

In view of the above, it is necessary to provide a pipe polishing apparatus for machining, which addresses the above-mentioned problems.

The utility model provides a pipeline grinding device for machining, includes bottom plate and the control unit, still set gradually on the bottom plate: the polishing mechanism, the first driving mechanism, the second driving mechanism and the clamping mechanism are arranged on the base;

the grinding mechanism is used for grinding and polishing the inner wall of the pipeline;

the first driving mechanism is used for driving the polishing mechanism to act;

the second driving mechanism is used for driving the grinding mechanism and the first driving mechanism to do linear reciprocating motion along the axis direction of the pipeline;

the clamping mechanism is used for clamping and fixing the pipeline;

the control unit is used for controlling the grinding mechanism, the first driving mechanism, the second driving mechanism and the clamping mechanism to act.

In one embodiment, the sharpening mechanism comprises: the device comprises a vertical seat, an outer sleeve, a locking nut, an inner inserted rod, a cylindrical assembling block and at least three groups of self-adaptive polishing heads;

the vertical seat is vertically arranged;

the outer sleeve is horizontally arranged, one end of the outer sleeve is rotatably arranged at the upper part of the vertical seat, and the other end of the outer sleeve is screwed with a locking nut;

one end of the inner inserting rod is movably arranged in the outer sleeve in a penetrating mode, and the inner inserting rod is locked with the outer sleeve through the locking nut;

the cylindrical assembling block is fixedly arranged at the end part of the extending end of the inner inserting rod;

the self-adaptive polishing heads are all fixedly arranged on the side face of the cylindrical assembling block, and are distributed annularly at equal angles around the cylindrical assembling block.

In one embodiment, the outer sleeve has a threaded portion on an end thereof, the threaded portion has a notch, a locking nut is screwed on the threaded portion, and an end of the inner rod passes through the locking nut and the threaded portion and then extends into the outer sleeve.

In one embodiment, a vertical plate is fixedly mounted at the top of the vertical seat, a vertically arranged elongated mounting groove is formed in the vertical plate, a screw is mounted inside the elongated mounting groove, a butterfly handle is screwed at one end of the screw, a mounting plate is fixedly mounted at the other end of the screw, a first proximity sensor is fixedly mounted on one side surface of the mounting plate, which faces away from the vertical plate, and a signal output end of the first proximity sensor is connected with the control unit.

In one embodiment, each set of the adaptive sanding head includes: the grinding device comprises a cylindrical shell, a spring, a guide block, a connecting rod, a sleeve and a cylindrical grinding disc;

the cylindrical shell is fixedly arranged on the side surface of the cylindrical assembling block, and a cavity is formed in the cylindrical shell;

the spring and the guide block are both arranged in the cavity, one end of the spring is connected with the bottom of the cavity, the other end of the spring is connected with the guide block, and the spring is in a compressed state;

the connecting rod is movably arranged at one end of the cylindrical shell, which is far away from the cylindrical assembling block, and one end of the connecting rod is fixedly connected with one side of the guide block, which is back to the spring;

the sleeve is fixedly sleeved outside the other end of the connecting rod through a locking bolt;

the cylindrical grinding disc is fixedly installed at the end part of one end, back to the cylindrical shell, of the sleeve.

In one embodiment, the first drive mechanism comprises a first motor, a drive pulley and a driven pulley;

the driving belt pulley is fixedly installed at the end part of a rotating shaft of the first motor, the driven belt pulley is fixedly installed at one end, close to the vertical seat, of the outer sleeve, and the driven belt pulley is connected with the driving belt pulley through a belt.

In one embodiment, the second drive mechanism comprises: the two fixed seats, the two sliding rods, the screw rod, the moving seat and the second motor;

the two fixed seats are fixedly arranged on the upper part of the bottom plate in parallel;

the screw rod is rotatably installed on the two fixing seats through a bearing, the two sliding rods are symmetrically distributed on two sides of the screw rod, and two ends of the two sliding rods are respectively and correspondingly connected with the two fixing seats;

the movable seat is sleeved on the screw rod and the two sliding rods, the movable seat is in threaded connection with the screw rod, and the movable seat is in sliding connection with the two sliding rods;

the second motor is fixedly arranged on the upper part of the bottom plate, a rotating shaft of the second motor is fixedly connected with one end of the screw rod, and the vertical seat and the first motor are fixedly arranged on the upper part of the movable seat;

and the two fixing seats are embedded with second proximity sensors, and the signal output ends of the second proximity sensors are connected with the control unit.

In one embodiment, the clamping mechanisms are provided in two groups, the two groups of clamping mechanisms are sleeved on the pipeline at intervals, and each group of clamping mechanisms comprises: the annular fixed ring and the at least three electric push rods;

the annular fixing ring is fixedly arranged on the upper part of the bottom plate through the upright post, and the annular fixing ring is respectively and coaxially arranged with the outer sleeve, the inner inserted rod and the cylindrical assembling block;

the electric push rod is embedded on the annular fixing ring and is arranged in an annular equal angle manner;

the end part of the piston rod of the electric push rod is fixedly provided with an arc-shaped pressing plate through a pressure sensor, the arc-shaped pressing plate is located inside the annular fixing ring, cylindrical pressing blocks are fixedly arranged at two ends of the arc-shaped pressing plate, and the cylindrical pressing blocks are tightly pressed on the outer surface of the pipeline.

In one embodiment, the control unit includes: the device comprises a control box, a rear cover plate, a touch display screen, a status indicator lamp, a loudspeaker, a power switch and a controller;

the control box is fixedly arranged on the upper part of the bottom plate through an upright rod, and the rear cover plate is arranged on the rear part of the control box through a screw;

the touch display screen, the state indicator lamp, the loudspeaker and the power switch are all fixedly arranged outside the control box;

the controller is fixedly installed in the control box, is respectively connected with the touch display screen, the status indicator lamp, the loudspeaker and the power switch, and is also connected with the first driving mechanism, the second driving mechanism and the clamping mechanism.

In one embodiment, the dust collector further comprises a dust collecting mechanism, wherein the dust collecting mechanism comprises a dust collecting cloth bag and fan blades;

an elastic band is sewn at the opening of the dust collecting cloth bag, and the dust collecting cloth bag is far away from the outside of one end of the vertical seat;

the fan blade is fixedly sleeved on the polishing mechanism, and the blowing wind direction of the fan blade faces to the dust collecting cloth bag.

Above-mentioned pipeline grinding device for machining has following advantage:

1) the length of the grinding mechanism and the grinding radius range can be adjusted, the inner walls of pipelines with different lengths and different radii can be ground and polished, and the grinding efficiency can be effectively improved;

2) the self-adaptive polishing head can automatically finely adjust the polishing inner diameter range, and can automatically contract and finely adjust to avoid severe collision with a protruding position even if the inner wall of a pipeline is protruded, so that the self-adaptive polishing head is prevented from being damaged, and the applicability of the device is improved;

3) the clamping mechanism can utilize a plurality of electric push rods to act simultaneously so as to ensure that the pipeline can be positioned at the center of the annular fixing ring, so that the difficulty of coaxially arranging the pipeline to be polished and the central shaft of the polishing mechanism is reduced, workers with high technical level are not needed, and the labor cost is effectively reduced;

4) the dust collecting mechanism is used for replacing matched dust removing equipment, the polishing cost is effectively reduced, and the dust removing effect is ideal.

Drawings

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

FIG. 1 is a schematic structural view of a pipe grinding apparatus for machining according to the present invention;

FIG. 2 is a schematic view of another angle of the pipe grinding apparatus for machining of the present invention;

FIG. 3 is a partial structural view of the pipe polishing apparatus for machining of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of another perspective partial structure of the pipe sanding device for machining of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at B;

FIG. 7 is a partial exploded view of the grinding mechanism of the present invention;

FIG. 8 is a partial cross-sectional view of the grinding mechanism of the present invention;

FIG. 9 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 10 is a schematic diagram of the control unit of the present invention;

fig. 11 is an exploded view of the control unit of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 11, an embodiment of the present invention provides a pipe polishing apparatus for machining, including a base plate 1 and a control unit 6, where the base plate 1 further includes, in order: the polishing mechanism 2, the first driving mechanism 3, the second driving mechanism 4 and the clamping mechanism 5;

the grinding mechanism 2 is used for grinding and polishing the inner wall of the pipeline 8;

the first driving mechanism 3 is used for driving the polishing mechanism 2 to act;

the second driving mechanism 4 is used for driving the grinding mechanism 2 and the first driving mechanism 3 to do linear reciprocating motion along the axial direction of the pipeline 8;

the clamping mechanism 5 is used for clamping and fixing the pipeline 8;

the control unit 6 is used for controlling the grinding mechanism 2, the first driving mechanism 3, the second driving mechanism 4 and the clamping mechanism 5 to act.

In this embodiment, through grinding mechanism 2, first actuating mechanism 3, second actuating mechanism 4, clamping mechanism 5 and the control unit 6 mutually support down, can carry out burnishing and polishing to 8 inner walls of pipeline automatically, its efficient of polishing, it is effectual to polish.

In an embodiment of the present invention, the grinding mechanism 2 includes: the device comprises a vertical seat 201, an outer sleeve 202, a locking nut 203, an inner insert rod 204, a cylindrical assembling block 205 and at least three groups of self-adaptive polishing heads 206;

the vertical seat 201 is vertically arranged;

the outer sleeve 202 is horizontally arranged, one end of the outer sleeve 202 is rotatably installed on the upper part of the vertical seat 201, and the other end of the outer sleeve 202 is screwed with a locking nut 203;

one end of the inner rod 204 is movably arranged inside the outer sleeve 202, and the inner rod 204 is locked with the outer sleeve 202 through the locking nut 203;

the cylindrical fitting block 205 is fixedly installed at the end of the outward extending end of the inner rod 204;

at least three sets of the adaptive polishing heads 206 are all fixedly installed on the side surface of the cylindrical assembling block 205, and the at least three sets of the adaptive polishing heads 206 are annularly and equiangularly distributed around the cylindrical assembling block 205.

In this embodiment, when the polishing mechanism 2 is used, the inner wall of the pipes 8 with different lengths can be polished by loosening the locking nut 203 with a wrench to adjust the position of the inner rod 204 inside the outer sleeve 202, thereby adjusting the length of the polishing mechanism. Simultaneously, under the effect of self-adaptation head 206 of polishing for this grinding machanism 2 operation is more stable, can effectively improve the efficiency of polishing, and self-adaptation head 206 of polishing can also finely tune its scope of polishing the internal diameter automatically, even meet the bellied condition that appears in 8 inner walls of pipeline, this self-adaptation head 206 of polishing can contract the fine setting automatically, in order to avoid taking place violent collision with protruding position, thereby avoid self-adaptation head 206 of polishing to be damaged, and then improve the suitability of device.

In an embodiment of the present invention, an end of the outer sleeve 202 has a threaded portion 207, the threaded portion 207 has a notch, the lock nut 203 is screwed on the threaded portion 207, and an end of the inner rod 204 passes through the lock nut 203 and the threaded portion 207 and then extends into the outer sleeve 202. Thus, by rotating the lock nut 203 in the opposite direction, the notch in the threaded portion 207 can be loosened, allowing the inner shaft 204 to slide freely relative to the outer sleeve 202; by rotating the lock nut 203 in the forward direction, the notch in the threaded portion 207 can be locked, thereby fixedly locking the inner shaft 204 relative to the outer sleeve 202.

In an embodiment of the present invention, a vertical plate 208 is further fixedly installed at the top of the vertical seat 201, a vertically arranged elongated installation groove 213 is formed in the vertical plate 208, a screw 209 is installed inside the elongated installation groove 213, a butterfly handle 210 is screwed at one end of the screw 209, an installation plate 211 is fixedly installed at the other end of the screw 209, a first proximity sensor 212 is fixedly installed on one side surface of the installation plate 211, which is opposite to the vertical plate 208, and a signal output end of the first proximity sensor 212 is connected with the control unit 6.

In this embodiment, can utilize first proximity sensor 212 to detect whether pipeline 8 is close to and found seat 201, when pipeline 8 is close to and found seat 201, first proximity sensor 212 produces inductive signal and uploads to controller 603, controller 603 control second motor 405 stop work, then, control second motor 405 reversal once more polishes pipeline 8's inner wall, just in time 2 return of polishing mechanism, then, controller 603 control first motor 301 stop work, and control electric putter 502 drive arc clamp plate 504 unclamps pipeline 8, can conveniently take off pipeline 8 that polishes, thereby accomplish the work of polishing.

In an embodiment of the present invention, each set of the adaptive polishing head 206 includes: a cylindrical housing 2061, a spring 2067, a guide block 2066, a connecting rod 2062, a sleeve 2063, and a cylindrical grinding plate 2064;

a cylindrical housing 2061 is fixedly mounted on a side surface of the cylindrical fitting block 205, the cylindrical housing 2061 having a cavity therein;

the spring 2067 and the guide block 2066 are both disposed in the cavity, one end of the spring 2067 is connected to the bottom of the cavity, and the other end of the spring 2067 is connected to the guide block 2066, wherein the spring 2067 is in a compressed state;

the connecting rod 2062 is movably mounted at one end of the cylindrical housing 2061 away from the cylindrical assembling block 205, and one end of the connecting rod 2062 is fixedly connected with one side of the guide block 2066 opposite to the spring 2067;

the sleeve 2063 is fixedly sleeved outside the other end of the connecting rod 2062 through a locking bolt 2065;

the cylindrical abrasive disc 2064 is fixedly mounted at an end of the sleeve 2063 facing away from the cylindrical housing 2061.

In this embodiment, under the action of the elastic force of the spring 2067, the guide block 2066 and the connecting rod 2062 can slide along the axial direction of the sleeve 2063, so that the cylindrical polishing disk 2064 can realize the function of automatically fine-tuning the contraction. In addition, the cylindrical polishing disk 2064 is not easily damaged, and the service life of the polishing disk can be effectively prolonged.

In an embodiment of the present invention, the first driving mechanism 3 includes a first motor 301, a driving pulley 302 and a driven pulley 303;

the driving pulley 302 is fixedly installed at an end of a rotating shaft of the first motor 301, the driven pulley 303 is fixedly installed at one end of the outer sleeve 202 close to the vertical seat 201, and the driven pulley 303 is connected with the driving pulley 302 through a belt 304.

In this embodiment, the first motor 301 may be utilized to drive the driving pulley 302 to rotate, the driving pulley 302 drives the driven pulley 303 to rotate through the belt 304, and the driven pulley 303 drives the outer sleeve 202 to rotate, so as to achieve the purpose that the outer sleeve 202 drives the adaptive polishing head 206 to rotate at a high speed, so as to polish the inner wall of the pipeline 8.

In an embodiment of the present invention, the second driving mechanism 4 includes: two fixed seats 401, two sliding rods 402, a screw 403, a moving seat 404 and a second motor 405;

the two fixing seats 401 are fixedly arranged on the upper part of the bottom plate 1 in parallel;

the screw 403 is rotatably mounted on the two fixed seats 401 through a bearing, the two sliding rods 402 are symmetrically distributed on two sides of the screw 403, and two ends of the two sliding rods 402 are respectively and correspondingly connected with the two fixed seats 401;

the movable base 404 is sleeved on the screw rod 403 and the two sliding rods 402, the movable base 404 is in threaded connection with the screw rod 403, and the movable base 404 is in sliding connection with the two sliding rods 402;

the second motor 405 is fixedly installed on the upper portion of the base plate 1, a rotating shaft of the second motor 405 is fixedly connected with one end of the screw rod 403, and the vertical base 201 and the first motor 301 are fixedly installed on the upper portion of the movable base 404;

in this embodiment, the second motor 405 may be utilized to drive the screw 403 to rotate, the screw 403 drives the moving seat 404 to perform a linear motion along the two sliding rods 402, and the moving seat 404 is used to drive the polishing mechanism 2 and the first driving mechanism 3 to perform a linear motion, so that the polishing mechanism 2 can polish the inner wall of the pipeline 8.

Optionally, a second proximity sensor 406 is embedded in each of the two fixing bases 401, and a signal output end of the second proximity sensor 406 is connected to the control unit 6. Therefore, the position of the movable seat 404 can be detected by using the two second proximity sensors 406, when the movable seat 404 is close to one of the second proximity sensors 406, the second proximity sensor 406 generates a sensing signal and uploads the sensing signal to the controller 603, the controller 603 controls the second motor 405 to rotate reversely, and the bad phenomenon that the movable seat 404 collides with the two fixed seats 401 can be avoided, so that the stability of the device in operation is good, and meanwhile, the automatic operation of grinding and polishing the pipeline 8 by the device can also be realized.

In an embodiment of the present invention, two sets of clamping mechanisms 5 are provided, the two sets of clamping mechanisms 5 are alternately sleeved on the pipeline 8, and each set of clamping mechanism 5 includes: an annular fixed ring 501 and at least three electric push rods 502;

the annular fixed ring 501 is fixedly arranged at the upper part of the bottom plate 1 through a column 506, and the annular fixed ring 501 is respectively and coaxially arranged with the outer sleeve 202, the inner inserted rod 204 and the cylindrical assembling block 205;

the electric push rod 502 is embedded on the annular fixing ring 501, and the electric push rod 502 is arranged in an annular equal angle manner;

an arc-shaped pressing plate 504 is fixedly mounted at the end part of the piston rod of the electric push rod 502 through a pressure sensor 505, the arc-shaped pressing plate 504 is located inside the annular fixing ring 501, cylindrical pressing blocks 503 are fixedly mounted at two ends of the arc-shaped pressing plate 504, and the cylindrical pressing blocks 503 are tightly pressed on the outer surface of the pipeline 8.

In this embodiment, in use, the conduit 8 is placed between the arc-shaped pressure plates 504, and then the plurality of electric push rods 502 are used to simultaneously operate to ensure that the conduit 8 can be positioned at the center of the annular fixing ring 501, so that the conduit 8 to be polished is coaxial with the central axis of the polishing mechanism 2. In addition, cylindrical pressing blocks 503 are fixedly mounted at both ends of each arc-shaped pressing plate 504, so that each arc-shaped pressing plate 504 cannot be not matched with the outer side surfaces of the pipelines 8 with different outer diameters due to radian problems, that is, each arc-shaped pressing plate 504 can tightly press the pipelines 8 with different outer diameters under the action of the cylindrical pressing blocks 503, and therefore the practicability of the clamping mechanism 5 is better.

In an embodiment of the present invention, the control unit 6 includes: the control box 601, the rear cover plate 602, the touch display screen 604, the status indicator 607, the speaker 606, the power switch 605 and the controller 603;

the control box 601 is fixedly installed on the upper part of the bottom plate 1 through a vertical rod 608, and the rear cover plate 602 is installed on the rear part of the control box 601 through a screw;

the touch display screen 604, the status indicator lamp 607, the loudspeaker 606 and the power switch 605 are all fixedly arranged outside the control box 601;

the controller 603 is fixedly installed inside the control box 601, the controller 603 is respectively connected with the touch display screen 604, the status indicator lamp 607, the speaker 606 and the power switch 605, and the controller 603 is further connected with the first driving mechanism 3, the second driving mechanism 4 and the clamping mechanism 5. It should be noted that the controller 603 may be a PLC controller and the pressure sensor 505 may be a load cell.

In this embodiment, the touch display screen 604 is used to provide a human-computer interface, and the status indicator 607 is used to display the working status of the apparatus, such as: the state indicator 607 is lighted red to indicate that the device operates abnormally, the state indicator 607 is lighted green to indicate that the device operates normally, the horn 606 is used for sending an alarm to remind the user to process when the device operates abnormally and when the device is polished, the power switch 605 is used for switching on and off the device, and the controller 603 is used for receiving signals uploaded by the pressure sensor 505 and controlling the state indicator 607, the horn 606, the electric push rod 502, the second motor 405 and the first motor 301 to operate.

In addition, the controller 603 and the pressure sensor 505 are matched to realize the purpose that the clamping mechanism 5 automatically clamps and fixes the pipeline 8, so that the difficulty of coaxially arranging the central shaft of the pipeline 8 and the central shaft of the grinding mechanism 2 can be further reduced.

In an embodiment of the present invention, the dust collecting device further includes a dust collecting mechanism 7, wherein the dust collecting mechanism 7 includes a dust collecting cloth bag 701 and fan blades 702;

an elastic band is sewn at the bag opening of the dust collecting bag 701, and the bag opening of the dust collecting bag 701 is sleeved outside one end, far away from the vertical seat 201, of the pipeline 8;

the fan blades 702 are fixedly sleeved on the grinding mechanism 2, and the blowing wind direction of the fan blades 702 faces the dust collecting cloth bag 701.

In this embodiment, when first motor 301 drive grinding machanism 2 works, can also drive the high-speed rotatory production of flabellum 702 and blow, blow the dust that grinding machanism 2 during operation produced to the inside of collection dirt sack 701, so, usable this dust is collected mechanism 7 and is replaced supporting dust collecting equipment, effectively reduces the cost of polishing, and the dust removal effect is comparatively ideal.

In summary, the invention has the advantages that:

1) the length of the grinding mechanism 2 and the grinding radius range can be adjusted, the inner walls of the pipelines 8 with different lengths and different radii can be ground and polished, and the grinding efficiency can be effectively improved;

2) the self-adaptive polishing head 206 can automatically finely adjust the polishing inner diameter range, and even if the inner wall of the pipeline 8 is raised, the self-adaptive polishing head can automatically contract and finely adjust to avoid violent collision with the raised position, so that the self-adaptive polishing head is prevented from being damaged, and the applicability of the device is improved;

3) the clamping mechanism 5 can utilize the plurality of electric push rods 502 to act simultaneously so as to ensure that the pipeline 8 can be positioned at the center of the annular fixing ring, so that the difficulty of coaxially arranging the pipeline 8 to be polished and the central shaft of the polishing mechanism 2 is reduced, workers with high technical level are not needed, and the labor cost is effectively reduced;

4) utilize dust collection mechanism 7 to replace supporting dust collecting equipment, effectively reduce the cost of polishing, and the dust removal effect is comparatively ideal.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.