CN112338660A - A grinding device for pipeline inner wall - Google Patents
A grinding device for pipeline inner wall Download PDFInfo
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- CN112338660A CN112338660A CN202011097040.4A CN202011097040A CN112338660A CN 112338660 A CN112338660 A CN 112338660A CN 202011097040 A CN202011097040 A CN 202011097040A CN 112338660 A CN112338660 A CN 112338660A
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- Prior art keywords
- rod
- rotating rod
- screw
- positioning
- rotating
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- 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
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- 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
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- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- 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
- B24B5/35—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a polishing device for the inner wall of a pipeline, which comprises a base, a track, a driving box, a rotating mechanism, a moving mechanism and a clamping mechanism, wherein the rotating mechanism comprises a first bearing seat and a rotating rod, the moving mechanism comprises a moving assembly and a connecting assembly, the clamping mechanism comprises a clamping assembly and a limiting assembly, the polishing device for the inner wall of the pipeline realizes the installation of a main body through the moving mechanism and the rotating mechanism, the main body is clamped through the clamping mechanism, the size of the polishing device is reduced through a bendable second lead screw, the practicability is improved, the clamping of one end of the polishing device is realized through the clamping assembly, the limiting of the other end of the polishing device is realized through the limiting assembly, and the polishing efficiency is improved through the simultaneous rotation of the main body and the rotation of the polishing device. The grinding device is driven to move through the screw rod, so that the inner wall of the main body is uniformly ground, and the product quality is improved.
Description
Technical Field
The invention particularly relates to a grinding device for the inner wall of a pipeline.
Background
The polishing device for the pipeline is used for polishing the surface of the pipeline, when the inner wall of the pipeline is needed to be polished, the polishing device is used for polishing the surface of the pipeline through a polishing machine self-made by an operator, but the error of a workpiece polished out is large, the surface finish degree does not reach the standard, and the working strength is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the grinding device for the inner wall of the pipeline is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a polishing device for the inner wall of a pipeline comprises a base, a rail, a driving box, a rotating mechanism, a moving mechanism and a clamping mechanism, wherein the base is horizontally arranged, the rail is arranged on the base and is positioned at one end of the base, the driving box is arranged on the rail, the driving box is in sliding connection with the rail, a driving device is arranged in the driving box, the rotating mechanism is arranged at one end, away from the driving box, of the base, and the moving mechanism and the clamping mechanism are both arranged between the driving box and the rotating mechanism;
the rotating mechanism comprises a first bearing seat and a rotating rod, the first bearing seat is arranged on the base, the rotating rod is vertically arranged above the base, and the rotating rod is connected with the base through the first bearing seat;
the moving mechanism is arranged between the driving box and the rotary rod, the moving mechanism comprises a moving assembly and a connecting assembly, the moving assembly is arranged on one side, close to the rotary rod, of the driving box, the moving assembly comprises a first rotating rod and a first screw rod, the first screw rod is horizontally arranged on one side of the driving box, the first rotating rod is arranged between the driving box and the first screw rod, the first rotating rod and the first screw rod are coaxially arranged, one end of the first rotating rod is connected with the first screw rod, and the other end of the first rotating rod is connected with the driving device through the driving box;
the connecting assembly is arranged on one side of the rotary rod close to the driving box, the connecting assembly and the moving assembly are just opposite to each other, the connecting assembly comprises a second rotating rod, a second bearing seat, a second screw rod and a positioning pin, the second screw rod is horizontally arranged on one side of the rotary rod, the second rotating rod is positioned between the rotary rod and the second screw rod, the second rotating rod and the second screw rod are coaxially arranged, the second bearing seat is arranged on one side of the rotary rod close to the driving box, one end of the second rotating rod is connected with the rotary rod through the second bearing seat, the other end of the second rotating rod is hinged with the second screw rod, the positioning pin is arranged on one end of the second screw rod far away from the second rotating rod, the positioning pins are two, the two positioning pins are parallel to each other, the first screw rod and the second screw rod are coaxially arranged, one end of the first screw rod far away from the first rotating rod is provided, the positioning pin is positioned in the cylindrical groove and is in sliding connection with the cylindrical groove;
the first screw rod is sleeved with a walking ring, the walking ring is in transmission connection with the first screw rod, the walking ring is in transmission connection with the second screw rod through the first screw rod, and a polishing device is arranged on the walking ring;
the clamping mechanism comprises two clamping assemblies and a limiting assembly, the two clamping assemblies are respectively arranged on two sides of the first rotating rod, the two clamping assemblies are symmetrically arranged relative to the first rotating rod, each clamping assembly comprises a first spring and a clamping plate, the clamping plate is arranged on one side of the first rotating rod, the first spring is arranged between the clamping plate and the first rotating rod, one end of the first spring is connected with the clamping plate, and the other end of the first spring is connected with the outer ring of the first rotating rod;
the utility model discloses a bolt, including first bull stick, spacing subassembly, bolt, screw hole, fixing frame, spacing subassembly, bolt level, the opening of fixing frame sets up in the one side of rotary rod, be equipped with on the rotary rod with bolt assorted screw hole, the bolt is located the threaded hole, bolt and screw hole threaded connection, the fixing frame sets up in threaded one side, the fixing frame is the U-shaped, the opening of fixing frame sets up towards the drive case, the one end that fixed call is close to the bolt is equipped with the spacing groove, the ball is located the spacing groove, ball and spacing groove roll connection, the one end that the rotary rod was kept away from to the bolt is passed through the spacing groove and is connected with the ball.
In order to ensure that the rotation is more stable, a torsional spring is arranged at the hinged position of the second screw rod and the second rotating rod.
In order to limit the driving box, a limiting block is arranged at one end, away from the rotating rod, of the track.
In order to increase the contact area and improve the clamping effect, the clamping plate is arc-shaped, and the circle center of the clamping plate is positioned on the first rotating rod.
In order to realize the limitation of the main body, one side, away from the first spring, of the clamping plate is provided with a support block, and the support block is located at one end, away from the second screw rod, of the clamping plate.
In order to realize spacing to the rotary rod, prevent that the rotary rod from rotating when polishing, one side that the second bull stick was kept away from to the rotary rod is equipped with positioning mechanism, positioning mechanism includes diaphragm, fixed plate, second spring and locating lever, the diaphragm level sets up the one side at the rotary rod, be equipped with the through-hole on the diaphragm, the fixed plate sets up the top at the diaphragm, the locating lever sets up between base and fixed plate, the one end of locating lever is passed the through-hole and is supported with the base and lean on, the other end and the fixed plate of locating plate are connected, the second spring sets up between fixed plate and diaphragm, the second spring housing is established on the locating lever, the one end and the fixed plate of second spring are connected, the other end and the diaphragm of second spring.
For better spacing, be equipped with the constant head tank on the base, the one end that the fixed plate was kept away from to the locating lever is located the constant head tank.
In order to facilitate insertion, a chamfer is arranged at one end, away from the fixing plate, of the positioning rod.
In order to fix the positioning rod conveniently, a groove is formed in the positioning rod, a wave bead screw is arranged on the inner wall of the through hole, and the wave bead screw is located in the groove.
For better sliding, the rails are coated with a lubricating oil.
The polishing device for the inner wall of the pipeline has the advantages that the main body is installed through the moving mechanism and the rotating mechanism, the main body is clamped through the clamping mechanism, the size of the polishing device is reduced through the bendable second lead screw, the practicability is improved, one end of the main body is clamped through the clamping assembly, the other end of the main body is limited through the limiting assembly, and the polishing efficiency is improved through the rotation of the main body and the simultaneous rotation of the polishing device. The grinding device is driven to move through the screw rod, so that the inner wall of the main body is uniformly ground, and the product quality is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a grinding device for an inner wall of a pipe according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of section C of FIG. 1;
in the figure: 1. the automatic positioning device comprises a base, 2. a rail, 3. a driving box, 4. a first bearing seat, 5. a rotating rod, 6. a first rotating rod, 7. a first screw rod, 8. a second rotating rod, 9. a second screw rod, 10. a second bearing seat, 11. a positioning pin, 12. a walking ring, 13. a first spring, 14. a clamping plate, 15. a bolt, 16. a fixing frame, 17. a ball, 18. a limiting block, 19. a leaning block, 20. a transverse plate, 21. a fixing plate, 22. a second spring, 23. a positioning rod and 24. a ball screw.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-4, a polishing device for an inner wall of a pipeline includes a base 1, a rail 2, a driving box 3, a rotating mechanism, a moving mechanism and a clamping mechanism, wherein the base 1 is horizontally disposed, the rail 2 is disposed on the base 1, the rail 2 is located at one end of the base 1, the driving box 3 is disposed on the rail 2, the driving box 3 is slidably connected with the rail 2, a driving device is disposed in the driving box 3, the rotating mechanism is disposed at one end of the base 1, which is far away from the driving box 3, and the moving mechanism and the clamping mechanism are both disposed between the driving box 3 and the rotating mechanism;
the rotating mechanism comprises a first bearing seat 4 and a rotating rod 5, the first bearing seat 4 is arranged on the base 1, the rotating rod 5 is vertically arranged above the base 1, and the rotating rod 5 is connected with the base 1 through the first bearing seat 4;
the moving mechanism is arranged between the driving box 3 and the rotating rod 5, the moving mechanism comprises a moving assembly and a connecting assembly, the moving assembly is arranged on one side, close to the rotating rod 5, of the driving box 3, the moving assembly comprises a first rotating rod 6 and a first screw rod 7, the first screw rod 7 is horizontally arranged on one side of the driving box 3, the first rotating rod 6 is arranged between the driving box 3 and the first screw rod 7, the first rotating rod 6 and the first screw rod 7 are coaxially arranged, one end of the first rotating rod 6 is connected with the first screw rod 7, and the other end of the first rotating rod 6 is connected with a driving device through the driving box 3;
the coupling assembling sets up the one side that is close to drive box 3 at rotary rod 5, coupling assembling and removal subassembly are just to setting up, coupling assembling includes second bull stick 8, second bearing frame 10, second lead screw 9 and locating pin 11, second lead screw 9 level sets up the one side at rotary rod 5, second bull stick 8 is located between rotary rod 5 and the second lead screw 9, second bull stick 8 and the coaxial setting of second lead screw 9, second bearing frame 10 sets up on one side that rotary rod 5 is close to drive box 3, the one end of second bull stick 8 is passed through second bearing frame 10 and is connected with rotary rod 5, the other end of second bull stick 8 is articulated with second lead screw 9, locating pin 11 sets up on the one end that second bull stick 8 was kept away from to second lead screw 9, locating pin 11 has two, and two locating pins 11 are parallel to each other, first lead screw 7 and the coaxial setting of second lead screw 9, one end of the first screw rod 7, which is far away from the first rotating rod 6, is provided with a cylindrical groove matched with the positioning pin 11, the positioning pin 11 is positioned in the cylindrical groove, and the positioning pin 11 is in sliding connection with the cylindrical groove;
the first screw rod 7 is sleeved with a position moving ring 12, the position moving ring 12 is in transmission connection with the first screw rod 7, the position moving ring 12 is in transmission connection with the second screw rod 9 through the first screw rod 7, and a polishing device is arranged on the position moving ring 12;
the clamping mechanism comprises two clamping assemblies and two limiting assemblies, the two clamping assemblies are respectively arranged on two sides of the first rotating rod 6, the two clamping assemblies are symmetrically arranged relative to the first rotating rod 6, each clamping assembly comprises a first spring 13 and a clamping plate 14, the clamping plate 14 is arranged on one side of the first rotating rod 6, the first springs 13 are arranged between the clamping plates 14 and the first rotating rod 6, one ends of the first springs 13 are connected with the clamping plates 14, and the other ends of the first springs 13 are connected with the outer ring of the first rotating rod 6;
the spacing subassembly has two, and two spacing subassemblies set up respectively in the both sides of second bull stick 8, spacing subassembly includes bolt 15, mount 16 and ball 17, 15 levels of bolt set up in one side of rotary rod 5, be equipped with on the rotary rod 5 with 15 assorted screw holes of bolt, bolt 15 is located the threaded hole, bolt 15 and screw hole threaded connection, mount 16 sets up in threaded one side, mount 16 is the U-shaped, the opening of mount 16 sets up towards drive case 3, the one end that fixed call is close to bolt 15 is equipped with the spacing groove, ball 17 is located the spacing inslot, ball 17 and spacing groove roll connection, the one end that rotary rod 5 was kept away from to bolt 15 is connected with ball 17 through the spacing groove.
In order to make the rotation more stable, a torsional spring is arranged at the hinged position of the second screw rod 9 and the second rotating rod 8.
In order to limit the driving box 3, a limit block 18 is arranged at one end of the track 2 far away from the rotating rod 5.
In order to increase the contact area and thus improve the clamping effect, the clamping plate 14 is arc-shaped, and the center of the clamping plate 14 is located on the first rotating rod 6.
In order to limit the main body, an abutting block 19 is arranged on one side, away from the first spring 13, of the clamping plate 14, and the abutting block 19 is located at one end, away from the second screw rod 9, of the clamping plate 14.
In order to limit the rotating rod 5 and prevent the rotating rod 5 from rotating during grinding, a positioning mechanism is arranged on one side of the rotating rod 5 far away from the second rotating rod 8, the positioning mechanism comprises a transverse plate 20, a fixed plate 21, a second spring 22 and a positioning rod 23, the transverse plate 20 is horizontally arranged at one side of the rotating rod 5, a through hole is arranged on the transverse plate 20, the fixing plate 21 is arranged above the transverse plate 20, the positioning rod 23 is arranged between the base 1 and the fixing plate 21, one end of the positioning rod 23 passes through the through hole to abut against the base 1, the other end of the positioning plate is connected with the fixing plate 21, the second spring 22 is arranged between the fixed plate 21 and the transverse plate 20, the second spring 22 is sleeved on the positioning rod 23, one end of the second spring 22 is connected to the fixing plate 21, and the other end of the second spring 22 is connected to the cross plate 20.
For better limiting, a positioning groove is arranged on the base 1, and one end of the positioning rod 23, which is far away from the fixing plate 21, is located in the positioning groove.
For the convenience of insertion, the end of the positioning rod 23 away from the fixing plate 21 is provided with a chamfer.
In order to fix the positioning rod 23 conveniently, a groove is formed in the positioning rod 23, a wave bead screw 24 is arranged on the inner wall of the through hole, and the wave bead screw 24 is located in the groove.
For better sliding, the rails 2 are coated with a lubricating oil.
The drive means in the drive housing 3 can here effect not only a displacement of the drive housing 3 but also a rotation of the first rotation lever 6.
When the inner wall of the main body needs to be polished, firstly, the driving box 3 is moved, the driving box 3 is made to move towards the direction of the limiting block 18, the first screw rod 7 and the second screw rod 9 are in a separated state, then, the second screw rod 9 is moved, the second screw rod 9 is staggered with the first screw rod 7, at the moment, one end of the main body is sleeved on the second screw rod 9, at the moment, the second screw rod 9 is made to return to the initial position through a torsional spring at the hinged part of the second screw rod 9 and the second rotating rod 8, at the moment, the driving box 3 is moved towards the direction of the rotating rod 5, at the moment, the driving device drives the first rotating rod 6 to slowly rotate, the first rotating rod 6 drives the first screw rod 7 to rotate, meanwhile, the driving device drives the driving box 3 to move towards the direction of the rotating rod 5, at the moment, an operator holds the second rotating rod 8 to prevent the second rotating, so that the positioning pin 11 on the second screw 9 is positioned in the cylindrical hole of the first screw 7, thereby driving the second screw 9 to rotate, and the second screw 9 drives the second rotating rod 8 to rotate.
At this time, the driving device controls the first rotating rod 6 to stop rotating, firstly, the bolt 15 is rotated, the fixing frame 16 moves towards the direction of the rotating rod 5, then, the clamping plate 14 moves towards the direction of the first rotating rod 6 by moving the clamping plate 14, at this time, the first spring 13 is in a compressed state, at this time, one end of the moving body enables the clamping plate 14 to abut against the inner wall of the main body, at the same time, one end of the main body abuts against the abutting plate, then, the bolt 15 is rotated, so that the spiral moves towards the direction of the driving box 3, the bolt 15 moves to drive the fixing frame 16 to move, and one end of the main body, which is far away from the clamping plate 14, is arranged in the fixing frame 16, so that the.
Because of the balls 17, when the main body is located in the fixing frame 16, the bolt 15 continues to rotate, and the fixing frame 16 and the main body are not locked, the fixing frame 16 is abutted against the main body, and when the main body rotates, the main body located at one end of the fixing frame 16 rotates in the fixing frame 16, so that the fixing frame 16 only plays a role of limiting.
Then, the first rotating rod 6 is driven to rotate through the driving device, the first rotating rod 6 drives the spring and the clamping plate 14 to rotate, so that the main body is driven to rotate, meanwhile, the first rotating rod 6 drives the first screw rod 7 to rotate, the first screw rod 7 drives the second screw rod 9 to rotate, the second screw rod 9 drives the second screw rod to rotate, the locating ring 12 located on the first screw rod 7 can rotate and move, meanwhile, the polishing device is driven to rotate and move, and polishing of the inner wall of the main body is achieved.
This grinding device can only realize polishing the trace of main part.
Here when needs are polished longer main part, at first spur fixed plate 21, fixed plate 21 drive locating lever 23 removes, at this moment second spring 22 is in tensile state, make locating lever 23 break away from the constant head tank, at this moment can realize the rotation to rotary rod 5, make the main part can overlap completely and establish on second lead screw 9 and second bull stick 8, at this moment at rotary rod 5, then realize the location to rotary rod 5 through locating lever 23, realize spacing to locating lever 23 here through ripples pearl screw 24, make it is more convenient to rotate rotary rod 5, the practicality of use has been improved.
Compared with the prior art, this a grinding device for pipeline inner wall passes through moving mechanism and rotary mechanism and realizes the installation to the main part, realizes the centre gripping to the main part through fixture, here through the second lead screw 9 that can buckle, reduces the device's volume to improve the practicality, realize the centre gripping to main part one end through the centre gripping subassembly, realize spacing to the main part other end through spacing subassembly, here rotates simultaneously through the rotation of main part and grinding device, improves the efficiency of polishing. The grinding device is driven to move through the screw rod, so that the inner wall of the main body is uniformly ground, and the product quality is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The grinding device for the inner wall of the pipeline is characterized by comprising a base (1), a rail (2), a driving box (3), a rotating mechanism, a moving mechanism and a clamping mechanism, wherein the base (1) is horizontally arranged, the rail (2) is arranged on the base (1), the rail (2) is positioned at one end of the base (1), the driving box (3) is arranged on the rail (2), the driving box (3) is in sliding connection with the rail (2), the driving device is arranged in the driving box (3), the rotating mechanism is arranged at one end, far away from the driving box (3), of the base (1), and the moving mechanism and the clamping mechanism are arranged between the driving box (3) and the rotating mechanism;
the rotating mechanism comprises a first bearing seat (4) and a rotating rod (5), the first bearing seat (4) is arranged on the base (1), the rotating rod (5) is vertically arranged above the base (1), and the rotating rod (5) is connected with the base (1) through the first bearing seat (4);
the moving mechanism is arranged between the driving box (3) and the rotating rod (5), the moving mechanism comprises a moving assembly and a connecting assembly, the moving assembly is arranged on one side, close to the rotating rod (5), of the driving box (3), the moving assembly comprises a first rotating rod (6) and a first screw rod (7), the first screw rod (7) is horizontally arranged on one side of the driving box (3), the first rotating rod (6) is arranged between the driving box (3) and the first screw rod (7), the first rotating rod (6) and the first screw rod (7) are coaxially arranged, one end of the first rotating rod (6) is connected with the first screw rod (7), and the other end of the first rotating rod (6) is connected with the driving device through the driving box (3);
the coupling assembling sets up the one side that is close to drive case (3) at rotary rod (5), coupling assembling and removal subassembly are just to setting up, coupling assembling includes second bull stick (8), second bearing seat (10), second lead screw (9) and locating pin (11), second lead screw (9) level sets up the one side at rotary rod (5), second bull stick (8) are located between rotary rod (5) and second lead screw (9), second bull stick (8) and the coaxial setting of second lead screw (9), second bearing seat (10) set up on one side that is close to drive case (3) at rotary rod (5), the one end of second bull stick (8) is passed through second bearing seat (10) and is connected with rotary rod (5), the other end and the second lead screw (9) of second bull stick (8) are articulated, locating pin (11) set up on second lead screw (9) keep away from the one end of second bull stick (8), the number of the positioning pins (11) is two, the two positioning pins (11) are parallel to each other, the first screw rod (7) and the second screw rod (9) are coaxially arranged, a cylindrical groove matched with the positioning pin (11) is formed in one end, far away from the first rotating rod (6), of the first screw rod (7), the positioning pin (11) is located in the cylindrical groove, and the positioning pin (11) is in sliding connection with the cylindrical groove;
a position moving ring (12) is sleeved on the first screw rod (7), the position moving ring (12) is in transmission connection with the second screw rod (9) through the first screw rod (7), and a polishing device is arranged on the position moving ring (12);
the clamping mechanism comprises two clamping assemblies and two limiting assemblies, the two clamping assemblies are respectively arranged on two sides of the first rotating rod (6), the two clamping assemblies are symmetrically arranged relative to the first rotating rod (6), each clamping assembly comprises a first spring (13) and a clamping plate (14), the clamping plate (14) is arranged on one side of the first rotating rod (6), the first spring (13) is arranged between the clamping plate (14) and the first rotating rod (6), one end of the first spring (13) is connected with the clamping plate (14), and the other end of the first spring (13) is connected with the outer ring of the first rotating rod (6);
the two limiting components are respectively arranged at the two sides of the second rotating rod (8), the limiting assembly comprises a bolt (15), a fixed frame (16) and a ball (17), the bolt (15) is horizontally arranged on one side of the rotating rod (5), a threaded hole matched with the bolt (15) is formed in the rotating rod (5), the bolt (15) is positioned in the threaded hole, the bolt (15) is in threaded connection with the threaded hole, the fixing frame (16) is arranged on one side of the screw thread, the fixing frame (16) is U-shaped, the opening of the fixing frame (16) is arranged towards the driving box (3), one end of the fixing frame close to the bolt (15) is provided with a limit groove, the ball (17) is positioned in the limiting groove, the ball (17) is in rolling connection with the limiting groove, one end of the bolt (15) far away from the rotating rod (5) is connected with the ball (17) through a limiting groove.
2. A grinding device for the inner wall of a pipeline as claimed in claim 1, characterized in that a torsional spring is arranged at the hinge joint of the second screw rod (9) and the second rotating rod (8).
3. A sanding device for pipe inner walls as claimed in claim 1, characterized in that the end of the track (2) remote from the rotary rod (5) is provided with a stop (18).
4. A sanding device for pipe inner walls as defined in claim 1, characterized in that the clamping plate (14) is arc-shaped, the centre of the clamping plate (14) being located on the first rotating shaft (6).
5. A sanding device for pipe inner walls as claimed in claim 1, characterized in that the side of the clamping plate (14) remote from the first spring (13) is provided with an abutment block (19), the abutment block (19) being located at the end of the clamping plate (14) remote from the second screw (9).
6. The grinding device for the inner wall of the pipeline according to claim 1, wherein a positioning mechanism is arranged on one side of the rotating rod (5) far away from the second rotating rod (8), the positioning mechanism comprises a transverse plate (20), a fixed plate (21), a second spring (22) and a positioning rod (23), the transverse plate (20) is horizontally arranged on one side of the rotating rod (5), a through hole is arranged on the transverse plate (20), the fixed plate (21) is arranged above the transverse plate (20), the positioning rod (23) is arranged between the base (1) and the fixed plate (21), one end of the positioning rod (23) passes through the through hole to abut against the base (1), the other end of the positioning plate is connected with the fixed plate (21), the second spring (22) is arranged between the fixed plate (21) and the transverse plate (20), and the second spring (22) is sleeved on the positioning rod (23), one end of the second spring (22) is connected with the fixing plate (21), and the other end of the second spring (22) is connected with the transverse plate (20).
7. A grinding device for the inner wall of a pipeline as claimed in claim 6, characterized in that the base (1) is provided with a positioning groove, and one end of the positioning rod (23) far away from the fixing plate (21) is positioned in the positioning groove.
8. A grinding device for the inner wall of a pipeline as claimed in claim 6, characterized in that the end of the locating rod (23) remote from the fixing plate (21) is chamfered.
9. The polishing device for the inner wall of the pipeline as claimed in claim 6, wherein the positioning rod (23) is provided with a groove, the inner wall of the through hole is provided with a wave ball screw (24), and the wave ball screw (24) is positioned in the groove.
10. A sanding device for pipe inner walls as defined in claim 1, characterized in that the track (2) is coated with a lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097040.4A CN112338660A (en) | 2020-10-14 | 2020-10-14 | A grinding device for pipeline inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097040.4A CN112338660A (en) | 2020-10-14 | 2020-10-14 | A grinding device for pipeline inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112338660A true CN112338660A (en) | 2021-02-09 |
Family
ID=74361756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097040.4A Withdrawn CN112338660A (en) | 2020-10-14 | 2020-10-14 | A grinding device for pipeline inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112338660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579876A (en) * | 2021-07-20 | 2021-11-02 | 广州夏德泽科技有限公司 | Polishing device for alloy pipeline |
| CN114131466A (en) * | 2021-12-08 | 2022-03-04 | 湖南华大科技有限公司 | Grinding device for hardware product accessories |
-
2020
- 2020-10-14 CN CN202011097040.4A patent/CN112338660A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579876A (en) * | 2021-07-20 | 2021-11-02 | 广州夏德泽科技有限公司 | Polishing device for alloy pipeline |
| CN114131466A (en) * | 2021-12-08 | 2022-03-04 | 湖南华大科技有限公司 | Grinding device for hardware product accessories |
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Application publication date: 20210209 |