CN112548708A - Mechanical polishing device for round bent pipe - Google Patents

Mechanical polishing device for round bent pipe Download PDF

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Publication number
CN112548708A
CN112548708A CN202011405873.2A CN202011405873A CN112548708A CN 112548708 A CN112548708 A CN 112548708A CN 202011405873 A CN202011405873 A CN 202011405873A CN 112548708 A CN112548708 A CN 112548708A
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CN
China
Prior art keywords
assembly
rotating shaft
polishing
rotating
grinding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011405873.2A
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Chinese (zh)
Inventor
严志平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Taida Machinery Manufacturing Co ltd
Original Assignee
Zhangjiagang Taida Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Taida Machinery Manufacturing Co ltd filed Critical Zhangjiagang Taida Machinery Manufacturing Co ltd
Priority to CN202011405873.2A priority Critical patent/CN112548708A/en
Publication of CN112548708A publication Critical patent/CN112548708A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/40—Single-purpose machines or devices for grinding tubes internally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D67/00—Filing or rasping machines or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/02—Machines or devices for scraping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

Abstract

The invention discloses a mechanical polishing device for a round bent pipe, and belongs to the field of machinery. A mechanical grinding device for round bent pipes comprises a grinding assembly and a driving assembly, and further comprises: the telescopic assembly is used for controlling the position of the polishing assembly; the polishing assembly is rotatably connected with the telescopic assembly; the rotating platform is arranged on one side of the driving assembly in a transmission manner, and the telescopic assembly is fixedly arranged on the rotating platform; one end of the first rotating shaft is in transmission connection with the driving assembly, and the other end of the first rotating shaft is in transmission connection with the polishing assembly through a first belt; when the driving assembly rotates, the rotating table and the first rotating shaft are synchronously driven to rotate in opposite directions, and meanwhile, the polishing assembly is driven to rotate, so that the polishing efficiency is improved; the belt tightening mechanism is fixedly arranged on the rotating table and used for automatically controlling the tightness state of the first belt according to the telescopic state of the telescopic assembly; the polishing assembly is attached to the inner wall of the pipeline, and polishing dead angles are reduced.

Description

Mechanical polishing device for round bent pipe
Technical Field
The invention relates to the field of machinery, in particular to a mechanical polishing device for a round bent pipe.
Background
The metal pipe is a common building material in engineering construction, and a plurality of large-scale pipeline equipment is used in some large-scale projects and is usually ground before being used and installed. The pipeline is polished and can be divided into outer wall polishing and inner wall polishing, wherein the inner wall polishing not only can remove impurities on the inner wall of the pipeline, but also can smooth the inner wall, and reduce the resistance when conveying materials.
With the support of the prior art and equipment, the outer wall of the pipeline is quickly and conveniently polished, while the inner wall of the pipeline is very difficult to polish, especially the pipeline such as a bent pipe or a non-standard pipe can be usually finished by manual operation, and sometimes manual polishing is difficult to finish due to the fact that the pipeline equipment is too complex and large.
Disclosure of Invention
The invention aims to provide a mechanical grinding device for a round bent pipe, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a mechanical grinding device for round bent pipes comprises a grinding assembly and a driving assembly, and further comprises:
the telescopic assembly is used for controlling the position of the polishing assembly to enable the polishing assembly to be attached to the inner wall of the pipe;
the rotating platform is rotatably arranged on one side of the driving assembly, is in transmission connection with the driving assembly and is used for driving the telescopic assembly to rotate; one side of the telescopic assembly is fixedly arranged on the rotating table, and the other side of the telescopic assembly is rotatably connected with the polishing assembly;
the first rotating shaft is rotatably connected with the rotating table, and one end of the first rotating shaft is in transmission connection with the driving assembly; the driving assembly is used for driving the rotating table and the first rotating shaft to rotate in opposite directions;
the first belt is used for driving and connecting the grinding assembly and the first rotating shaft; when the driving assembly drives the first rotating shaft to rotate, the grinding assembly is driven to rotate through the first belt;
and the belt tightening mechanism is fixedly arranged on the rotating table and is used for automatically controlling the tightness state of the first belt according to the telescopic state of the telescopic assembly.
As a preferable aspect of the embodiment of the present invention, the driving assembly includes:
a drive motor;
one end of the driving motor rotating shaft is fixedly connected with the driving motor, and the other end of the driving motor rotating shaft is in transmission connection with the first rotating shaft; when the driving motor drives the rotating shaft of the driving motor to rotate, the first rotating shaft is synchronously driven to rotate in the same direction;
one end of the driving gear is fixedly connected with the driving motor, and the other end of the driving gear is in transmission connection with the rotating table 3;
and the driven gear is meshed with the driving gear and is fixedly connected with the rotating table 3.
As another preferable aspect of the embodiment of the present invention, the telescopic assembly includes:
one end of the transmission rotating shaft is fixedly connected with the polishing assembly and is attached to the first belt, and when the first belt moves, the transmission rotating shaft is synchronously driven to rotate;
and one end of the hydraulic rod is fixedly arranged on the rotating platform, and the other end of the hydraulic rod is rotatably connected with the transmission rotating shaft.
As another preferable aspect of the embodiment of the present invention, the belt tightening mechanism includes:
the telescopic rod is fixedly connected with the rotating table and can perform telescopic action;
one end of the cross shaft is fixedly connected with the rotating platform, and the other end of the cross shaft is rotationally connected with the shrinkage part rotating wheel;
the contraction piece rotating wheel is rotatably arranged on the telescopic rod and is attached to the first belt.
As another preferable aspect of the embodiment of the present invention, the sanding assembly includes:
the first grinding rotating shafts are fixedly connected with the telescopic assembly;
the universal joint is movably connected with the first polishing rotating shaft and is used for enabling the polishing assembly to change within a certain angle range and transmitting power;
one end of the second polishing rotating shaft is movably connected with the universal joint, and the universal joint can drive the second polishing rotating shaft to rotate;
the spring part is used for keeping the linear state of the polishing assembly;
and the grinding tool fixing rod is fixedly arranged on the first grinding rotating shaft and the second grinding rotating shaft and used for supporting a grinding tool.
As another preferable aspect of the embodiment of the present invention, the universal joint includes:
the cross shaft fork is fixedly arranged on one side of the first grinding rotating shaft;
and the cross shaft is rotationally connected with the cross shaft fork and is used for changing the position of the transmission axis direction.
As another preferable aspect of the embodiment of the present invention, the spring member includes:
the spring bearing is fixedly arranged on one side of the first grinding rotating shaft;
and the spring piece is movably connected with the spring bearing.
Another object of an embodiment of the present invention is to provide an apparatus for grinding elbow, which includes a movable base assembly, and further includes the above-mentioned mechanical grinding device disposed on the movable base assembly.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:
according to the mechanical polishing device for the round bent pipe, provided by the embodiment of the invention, the polishing assembly is arranged on the rotating table through the telescopic assembly, and the driving platform can drive the rotating table to rotate, so that the polishing assembly revolves around the rotating table; the first rotating shaft is in transmission connection with the driving assembly, the polishing assembly is in rotating connection with the first rotating shaft through a first belt, and the driving system can simultaneously drive the polishing assembly to rotate in a self-rotating mode to polish the inner wall of the pipeline; the grinding assembly can be deformed by changing the universal joint within a certain angle range, so that the shape of the grinding assembly is more attached to the inner wall of the pipeline, the grinding range is increased, and the grinding efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical grinding device for a circular elbow according to an embodiment of the present invention.
Fig. 2 is a perspective structural view of a mechanical grinding device for a circular elbow according to an embodiment of the present invention.
Fig. 3 is a side view of a mechanical grinding device for a round elbow according to an embodiment of the present invention.
Fig. 4 is a perspective view of a grinding assembly according to an embodiment of the present invention.
In the figure: 1-a first grinding spindle; 2-a hydraulic rod; 3-a rotating table; 4-a first rotating shaft; 5-a spring bearing; 6-a first belt; 7-a rotating wheel; 8-telescopic rod, 9-helical spring; 10-a cross shaft; 11-a transmission rotating shaft; 12-a driven gear; 13-a drive motor; 14-driving the motor shaft; 15-a second belt; 16-a motor base; 17-a driven gear; 18-a wheel shaft; 19-a spring leaf; 20-a spider; 21-a grinding tool fixing rod; 22-second grinding spindle.
Detailed Description
The following specific embodiments are specifically and clearly described in the technical solutions of the present application with reference to the drawings provided in the present specification. The drawings in the specification are for clarity of presentation of the technical solutions of the present application, and do not represent shapes or sizes in actual production or use, and reference numerals of the drawings are not limited to the claims involved.
In addition, in the description of the present application, terms used should be construed broadly, and specific meanings of the terms may be understood by those skilled in the art according to actual situations. For example, the term "mounted" as used in this application may be defined as a fixed mounting that is removable or a fixed mounting that is not removable, etc.; the terms "set" and "provided" as used herein may be defined as either a contact or a non-contact arrangement, etc.; the terms "connected" and "coupled" as used herein may be defined as a fixed mechanical connection such as welded, riveted, bolted, interference fit, or as a movable mechanical connection such as hinged, connected through bearings, etc.; all the terms of orientation used are used with reference to the drawings or are based on the direction defined by the actual situation and the common general knowledge.
As shown in fig. 1, a schematic structural diagram of a mechanical grinding device for a circular elbow provided by an embodiment of the present invention includes a grinding assembly and a driving assembly, and further includes:
the telescopic assembly is used for controlling the position of the polishing assembly to enable the polishing assembly to be attached to the inner wall of the pipe;
the rotating table 3 is rotatably arranged on one side of the driving assembly, is in transmission connection with the driving assembly and is used for driving the telescopic assembly to rotate; one side of the telescopic assembly is fixedly arranged on the rotating table 3, and the other side of the telescopic assembly is rotatably connected with the polishing assembly;
the first rotating shaft 4 is rotatably connected with the rotating table 3, and one end of the first rotating shaft is in transmission connection with the driving assembly; the driving assembly is used for driving the rotating table 3 and the first rotating shaft 4 to rotate in opposite directions;
a first belt 6, which is used for driving and connecting the grinding component and the first rotating shaft 4; when the driving component drives the first rotating shaft 4 to rotate, the grinding component is driven to rotate through the first belt 6;
and the belt tightening mechanism is fixedly arranged on the rotating table 3 and is used for automatically controlling the tightness state of the first belt 6 according to the telescopic state of the telescopic assembly.
In the embodiment of the invention, the polishing assembly is arranged on the rotating table 3 through the telescopic assembly, and the driving platform can drive the rotating table 3 to rotate, so that the polishing assembly revolves around the rotating table 3; the first rotating shaft 4 is in transmission connection with the driving assembly, the polishing assembly is in rotation connection with the first rotating shaft 4 through a first belt 6, and the driving system can simultaneously drive the polishing assembly to rotate in the opposite direction to the rotation of the rotating table 3; the position of subassembly of polishing can be adjusted through flexible action to flexible subassembly, and the subassembly of polishing changes and produces deformation in certain angle within range, and both cooperations can make the appearance of the subassembly of polishing laminate the pipeline inner wall more, increase the scope of polishing, improve the efficiency of polishing.
As shown in fig. 1, in an example of the present invention, the telescopic assembly may be a hydraulic rod, a linear motor, a pneumatic rod, or the like in the prior art; the transmission mode can adopt a belt transmission mode, a chain transmission mode or a gear transmission mode; the belt tightening mechanism can adopt a spiral spring, a hydraulic rod or a spring piece and the like in the prior art and tactics; the grinding component can adopt sand paper, a wire brush or a file and the like in the prior art; the polishing component can be replaced by a scraper or a hairbrush and the like, so that the inner wall of the pipeline is cleaned.
As a preferable aspect of the embodiment of the present invention, as shown in fig. 1 and 2, the driving assembly includes:
a drive motor 13;
one end of the driving motor rotating shaft 14 is fixedly connected with the driving motor 13, and the other end of the driving motor rotating shaft is in transmission connection with the first rotating shaft 4; when the driving motor 13 drives the rotating shaft of the driving motor 13 to rotate, the first rotating shaft 4 is synchronously driven to rotate in the same direction;
one end of the driving gear 12 is fixedly connected with the driving motor 13, and the other end of the driving gear is in transmission connection with the rotating table 3;
and a driven gear 17 engaged with the driving gear 12 and fixedly connected to the turntable 3.
Specifically, the driving motor 13 is a double-shaft motor, is arranged on one side of the battery base 16, and has one end fixedly provided with a driving gear 12 engaged with a driven gear 17 and the other end fixedly provided with a driving motor rotating shaft 14, and is in transmission connection with the first rotating shaft 4 through a second belt 15; one side of the first rotating shaft 4 is rotatably arranged and penetrates through the center position of the motor base 16, and the other side of the first rotating shaft is rotatably arranged and penetrates through the circle center positions of the rotating table 3 assembly and the driven gear. When the driving motor 13 rotates, the driving gear 12 can drive the driven gear 17 to rotate, and the second belt 15 rotates in the opposite direction to the driven gear 17, so that the driven gear 17 is fixedly connected with the rotating table 3, and the driving motor can simultaneously drive the rotating table 3 and the first rotating shaft 4 to rotate out of phase.
As shown in fig. 1, as another preferred solution of the embodiment of the present invention, the telescopic assembly includes:
one end of the transmission rotating shaft 11 is fixedly connected with the polishing assembly and is attached to the first belt 6, and when the first belt moves 6, the transmission rotating shaft 11 is synchronously driven to rotate;
and one end of the hydraulic rod 2 is fixedly arranged on the rotating platform 3, and the other end of the hydraulic rod is rotatably connected with the transmission rotating shaft 11.
Specifically, three groups of hydraulic rods 2 are arranged on the side edge of the rotating platform 3 at intervals, one end of each hydraulic rod is fixedly connected with the rotating platform 3, and the other end of each hydraulic rod is rotatably provided with a transmission rotating shaft 11 through a bearing; the three groups of transmission rotating shafts 11 are rotationally connected with the first rotating shaft 4 through a first belt 6, and when the first rotating shaft 4 rotates, the three groups of transmission rotating shafts 11 can be driven to rotate; transmission pivot 11 and the subassembly fixed connection of polishing, when hydraulic stem 2 drives transmission pivot 11 through concertina movement and moves, the position of synchronous adjustment subassembly of polishing makes the subassembly of polishing laminate mutually with the pipeline inner wall.
As another preferable aspect of the embodiment of the present invention, as shown in fig. 1, the belt tightening mechanism includes:
the telescopic rod 2 is fixedly connected with the rotating table 3 and can perform telescopic action;
and the rotating wheel 7 is rotatably arranged on the telescopic rod 2 and is attached to the first belt 6.
One end of the spiral spring 8 is fixedly connected with the rotating table 3, and the other end of the spiral spring is rotatably connected with the rotating wheel 7;
specifically, two groups of belt tightening mechanisms are fixedly arranged on the rotating table 3 to separate the three groups of hydraulic rods 2; one end of the telescopic rod 8 is fixedly arranged on the rotating platform 3, the other end of the telescopic rod is fixedly provided with a rotating wheel rotating shaft 18 and is rotationally connected with the rotating wheel 7, and the rotating wheel 7 is attached to the first belt 6; one end of the spiral spring 9 is connected with the rotating platform 3, and the other end is connected with the rotating wheel rotating shaft 18; when the position of the grinding assembly is changed, the transmission effect is weakened due to the fact that the first belt 6 is loosened in practical use, the position of the rotating wheel 7 can be adjusted through the elastic action of the spiral spring 9, the first belt 6 is tensioned, and the transmission efficiency of the first belt 6 is improved.
As another preferred embodiment of the present invention, as shown in fig. 1, the sanding assembly includes:
the first grinding rotating shafts 1, wherein one group of the first grinding rotating shafts 1 are fixedly connected with the telescopic assembly;
the universal joint is movably connected with the first polishing rotating shaft and is used for enabling the polishing assembly to change within a certain angle range and transmitting power;
a second polishing rotating shaft 22, one end of which is movably connected with the universal joint, and the universal joint can drive the second polishing rotating shaft to rotate;
the spring part is used for keeping the linear state of the polishing assembly;
and the grinding tool fixing rod 21 is fixedly arranged on the first grinding rotating shaft and the second grinding rotating shaft and used for supporting a grinding tool.
Specifically, the first polishing rotating shaft 1 is fixedly installed on the transmission rotating shaft 11, the other end of the first polishing rotating shaft is connected with the second polishing rotating shaft 22 through a universal joint, and the first polishing rotating shaft 1 and the second polishing rotating shaft 22 are respectively and fixedly provided with a grinding tool fixing rod 21 for fixedly supporting a grinding tool; one end of each of the two groups of spring pieces is fixed at the center of the universal joint, and the other end of each of the two groups of spring pieces is respectively fixed on the first polishing rotating shaft 1 and the second polishing rotating shaft 22; the rotation of the universal joint can drive the second grinding rotating shaft 22 to deflect around one end of the first grinding rotating shaft 1 within a certain range so as to be attached to the inner wall of a pipeline with a bent or complex plane and drive the second grinding rotating shaft 22 to rotate; the spring piece is used for tensioning the first polishing rotating shaft 1 and the second polishing rotating shaft 22 by means of self elasticity, so that the first polishing rotating shaft 1 and the second polishing rotating shaft 22 can be kept in the same straight line state, and the second polishing rotating shaft 22 can be pulled right in time when the second polishing rotating shaft 22 deflects.
As shown in fig. 1, as another preferred solution of the embodiment of the present invention, the universal joint includes:
a cross shaft fork 20 fixedly arranged on one side of the first grinding rotating shaft 1;
and the cross shaft 10 is rotationally connected with the cross shaft fork 20 and is used for changing the position of the transmission axis direction.
Specifically, the two groups of cross shaft forks 20 are in a semi-circular arc shape, the middle points of the arcs are fixedly arranged on the polishing rotating shaft, and the two end points of the arcs are movably connected with the cross shaft 10; the cross shaft 10 is in a cross shape, and the symmetrical positions of the cross shaft are respectively movably connected with a cross shaft fork 20 fixed on the same polishing rotating shaft; when encountering uneven inner wall of the pipeline in the grinding process, the grinding assembly can be bent to be attached to the inner wall of the pipeline through the universal joint, and the universal joint can ensure that power can be reliably transmitted when the angle and the distance between the first grinding rotating shaft 1 and the second grinding rotating shaft 22 are frequently changed.
As another preferable mode of the embodiment of the present invention, as shown in fig. 1, the spring member includes:
one of the two groups of spring bearings 5 is fixedly arranged on one side of the grinding rotating shaft, and the other group of spring bearings 5 is fixedly arranged on the universal joint;
and two sections of the spring piece 19 are respectively movably connected with the two groups of spring bearings 5.
Specifically, when the subassembly of polishing laminating crooked pipeline inner wall, the subassembly appearance of polishing takes place deformation, can cause first grinding pivot 1 and second to polish the pivot 22 and the universal joint between the distance change, spring leaf 19 can the atress take place deformation this moment, produce elasticity, it is the pipeline inner wall that the subassembly of polishing laminates more, it is when returning smooth pipeline inner wall, spring leaf 19 releases elasticity and kick-backs, make first grinding pivot 1 and second polish pivot 22 and get back to same straight line state again.
The embodiment of the invention provides equipment for grinding bent pipes, which comprises the mechanical grinding device and a movable base assembly.
Specifically, one side of the motor base 16 can be fixedly provided with a movable base component, so that the mechanical polishing device can move in the pipeline to polish the inner wall of the pipeline.
When the device is used, the device is firstly placed in a pipeline, the polishing assemblies can be tightly attached to the inner wall of the pipeline under the control of the hydraulic rod 2, then the driving motor 13 is started, the driving motor 13 rotates to drive the rotating table 3 and the first rotating shaft 4 to rotate out of phase, the first rotating shaft 4 can drive the three groups of polishing assemblies to rotate through the first belt 6, meanwhile, the rotating table 3 can drive the three groups of polishing assemblies to revolve around the first rotating shaft 4, and the polishing efficiency can be improved under the coordination of the rotation and the revolution of the three groups of polishing assemblies; the telescopic motion of the hydraulic rod 2 and the rotation of the universal joint can drive the polishing component to be more attached to the inner wall of the pipeline, so that the polishing dead angle is reduced, and the polishing range is enlarged; the movable base assembly can control the equipment to move in the pipeline, and automatic operation is achieved.
It should be noted that the above embodiments are only specific and clear descriptions of technical solutions and technical features of the present application. However, to those skilled in the art, aspects or features that are part of the prior art or common general knowledge are not described in detail in the above embodiments.
In addition, the technical solutions of the present application are not limited to the above-described embodiments, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so that other embodiments that can be understood by those skilled in the art may be formed.

Claims (7)

1. A mechanical grinding device for circular return bend, includes grinding subassembly and drive assembly, its characterized in that still includes:
the telescopic assembly is used for controlling the position of the polishing assembly to enable the polishing assembly to be attached to the inner wall of the pipe;
the rotating platform is rotatably arranged on one side of the driving assembly, is in transmission connection with the driving assembly and is used for driving the telescopic assembly to rotate; one side of the telescopic assembly is fixedly arranged on the rotating table, and the other side of the telescopic assembly is rotatably connected with the polishing assembly;
the first rotating shaft is rotatably connected with the rotating table, and one end of the first rotating shaft is in transmission connection with the driving assembly; the driving assembly is used for driving the rotating table and the first rotating shaft to rotate in opposite directions;
the first belt is used for driving and connecting the grinding assembly and the first rotating shaft; when the driving assembly drives the first rotating shaft to rotate, the grinding assembly is driven to rotate through the first belt;
and the belt tightening mechanism is fixedly arranged on the rotating table and is used for automatically controlling the tightness state of the first belt according to the telescopic state of the telescopic assembly.
2. A mechanical sharpening device for round bends according to claim 1, wherein said drive assembly comprises:
a drive motor;
one end of the driving motor rotating shaft is fixedly connected with the driving motor, and the other end of the driving motor rotating shaft is in transmission connection with the first rotating shaft; when the driving motor drives the rotating shaft of the driving motor to rotate, the first rotating shaft is synchronously driven to rotate in the same direction;
one end of the driving gear is fixedly connected with the driving motor, and the other end of the driving gear is in transmission connection with the rotating platform;
and the driven gear is meshed with the driving gear and is fixedly connected with the rotating platform.
3. A mechanical sharpening device for round bends according to claim 1, wherein said telescopic assembly comprises:
one end of the transmission rotating shaft is fixedly connected with the polishing assembly and is attached to the first belt, and when the first belt moves, the transmission rotating shaft is synchronously driven to rotate;
and one end of the hydraulic rod is fixedly arranged on the rotating platform, and the other end of the hydraulic rod is rotatably connected with the transmission rotating shaft.
4. The mechanical sharpening device for round bends of claim 1, wherein said belt tightening mechanism comprises:
the telescopic rod is fixedly connected with the rotating table and can perform telescopic action;
one end of the cross shaft is fixedly connected with the rotating platform, and the other end of the cross shaft is rotationally connected with the shrinkage part rotating wheel;
the contraction piece rotating wheel is rotatably arranged on the telescopic rod and is attached to the first belt.
5. The mechanical sharpening device for round bends of claim 1, said sharpening assembly comprising:
the first grinding rotating shafts are fixedly connected with the telescopic assembly;
the universal joint is movably connected with the first polishing rotating shaft and is used for enabling the polishing assembly to change within a certain angle range and transmitting power;
one end of the second polishing rotating shaft is movably connected with the universal joint, and the universal joint can drive the second polishing rotating shaft to rotate;
the spring part is used for keeping the linear state of the polishing assembly;
and the grinding tool fixing rod is fixedly arranged on the first grinding rotating shaft and the second grinding rotating shaft and used for supporting a grinding tool.
6. A mechanical sharpening device for round bends according to claim 5, wherein said gimbal comprises:
the cross shaft fork is fixedly arranged on one side of the first grinding rotating shaft;
and the cross shaft is rotationally connected with the cross shaft fork and is used for changing the position of the transmission axis direction.
7. The mechanical sharpening device of claim 5, wherein said spring member comprises:
the spring bearing is fixedly arranged on one side of the first grinding rotating shaft;
and the spring piece is movably connected with the spring bearing.
CN202011405873.2A 2020-12-03 2020-12-03 Mechanical polishing device for round bent pipe Withdrawn CN112548708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011405873.2A CN112548708A (en) 2020-12-03 2020-12-03 Mechanical polishing device for round bent pipe

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Application Number Priority Date Filing Date Title
CN202011405873.2A CN112548708A (en) 2020-12-03 2020-12-03 Mechanical polishing device for round bent pipe

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Publication Number Publication Date
CN112548708A true CN112548708A (en) 2021-03-26

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CN202011405873.2A Withdrawn CN112548708A (en) 2020-12-03 2020-12-03 Mechanical polishing device for round bent pipe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113618517A (en) * 2021-10-13 2021-11-09 徐州威通机械制造有限公司 Inner wall grinding device of many bendings form foundry goods
CN113894662A (en) * 2021-10-12 2022-01-07 浙江大成中孚电力技术发展有限公司 Cable insulation outer wall grinding device

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Application publication date: 20210326