CN219310842U

CN219310842U - Polishing device convenient to centre gripping

Info

Publication number: CN219310842U
Application number: CN202320557309.5U
Authority: CN
Inventors: 巫仕平; 巫茂榕
Original assignee: Xiamen Litianxing Machinery Co ltd
Current assignee: Xiamen Litianxing Machinery Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-07
Anticipated expiration: 2033-03-21

Abstract

The application relates to the technical field of polishing and provides a polishing device convenient to clamp, which comprises a shell and a clamping assembly arranged on the shell, wherein the clamping assembly comprises a first clamping block, a second clamping block and a first cylinder, the first clamping block is arranged on the shell, and a limiting hole for inserting a steering column is formed in the first clamping block; the first cylinder is installed in the casing, and the drive shaft in first cylinder is installed to the second grip block, and one side that the second grip block kept away from first cylinder makes and is equipped with the stopper, and the stopper is pegged graft in the centre bore of steering column. According to the polishing device convenient to clamp, the steering column is connected with the second clamping block in an inserting mode, and the outer peripheral surface of the end part of the steering column can be polished; when polishing to the position that steering column and first grip block are connected, because the steering column is hidden to spacing downthehole with the tip of polishing, can reduce to polish again to the position that has polished of a process on the steering column to keep the precision of polishing to the steering column.

Description

Polishing device convenient to centre gripping

Technical Field

The application relates to the technical field of polishing, in particular to a polishing device convenient to clamp.

Background

The steering column is an important part of a motorcycle steering system, and relates to steering flexibility and driving safety; when the direction column is assembled, the process steps of punching, polishing and the like are needed to be carried out on the direction column. The polishing is an important step, and the diameters of different positions of the polished steering column can be changed, so that the requirement on the polishing precision of the steering column is high.

But before the direction column is polished, holes are formed in the two ends of the direction column, the holes formed in the end portions of the direction column are defined as central holes, the central holes in the two ends of the direction column are located on the same axis, and at the moment, the end portions of the direction column are locally polished. The existing steering column polishing device clamps two ends of a steering column in a jacking mode, and polishing can possibly occur that a polished part of a procedure on the steering column is polished again or cannot be polished locally in the polishing process, so that the polishing precision of the steering column is affected.

Disclosure of Invention

In order to maintain the polishing precision of the steering column, the application provides a polishing device convenient to clamp.

The application provides a grinding device convenient to centre gripping adopts following technical scheme:

the utility model provides a grinding device convenient to centre gripping, includes the casing and installs in the clamping assembly of casing, the clamping assembly includes first grip block, second grip block and first cylinder, first grip block installs in the casing, first grip block has offered the spacing hole that supplies the steering column to peg graft; the first cylinder is installed in the casing, the second grip block install in the drive shaft of first cylinder, the second grip block is kept away from one side of first cylinder is equipped with the stopper, the stopper peg graft in the centre bore of steering column.

By adopting the technical scheme, when the direction column is required to be clamped, one end of the direction column which is locally polished is inserted into the limiting hole; at the moment, the steering column is supported, the driving shaft of the first air cylinder is controlled, the limiting block of the second clamping block is inserted into the central hole, and the steering column is clamped in a butt-against mode. The direction column and the second clamping block are connected to the direction connected with the first clamping block for polishing, and the outer peripheral surface of the end part of the direction column can be polished due to the fact that the direction column is connected with the second clamping block in an inserting mode; when polishing to the position that steering column and first grip block are connected, because the steering column is hidden to spacing downthehole with the tip of polishing, can reduce to polish again to the position that has polished of a process on the steering column to keep the precision of polishing to the steering column.

Optionally, the first clamping block is connected with the shell, and the second clamping block is connected with the first cylinder through a dismounting piece; the dismounting piece comprises a fixed sleeve and a plug-in block, and a first thread groove is formed in the inner wall of the fixed sleeve; the shell is connected with the first clamping block through the mounting block, the plug-in block is mounted on the mounting block, and the first clamping block is provided with a plug-in groove for plugging in by the plug-in block; the first thread part is arranged on the outer wall of the mounting block, the second thread part is arranged on the outer wall of the first clamping block, and the first thread groove of the fixing sleeve is matched with the first thread part and the second thread part.

By adopting the technical scheme, the first clamping block and the second clamping block are detached from the shell through the detaching piece, so that the polishing assembly can polish the steering columns with different sizes; the method comprises the following specific steps: sleeving the inserting groove of the first clamping block in the inserting groove of the mounting block, and increasing the connection between the first clamping block and the mounting block; the fixing sleeve is arranged on the first clamping block in a penetrating mode and is rotated to enable the first thread groove of the fixing sleeve to be matched with the first thread part and the second thread part, and therefore fixing of the mounting block and the first clamping block can be achieved; so as to be convenient for replacing the first clamping blocks with the limiting holes with different inner diameters.

Optionally, the outer wall of the mounting block is hinged with a plurality of fixing rods, one end of each fixing rod, which is far away from the mounting block, is provided with a fixing block, and the outer wall of each fixing block is fixed with a rubber pad; the fixed sleeve is provided with a fixed groove for clamping the fixed block.

Through adopting foretell technical scheme, through setting up dwang and fixed block, fixed sleeve is fixed in installation piece and first grip block outer wall, and the dwang makes the fixed block get into the fixed slot through interference fit's mode joint, can reduce the condition that fixed sleeve takes place to remove at first grip block and installation piece outer wall, reduces the condition that first grip block drops from the installation piece.

Optionally, the plurality of fixing grooves of the outer wall of the fixing sleeve are communicated and formed with fixing ring grooves.

Through adopting foretell technical scheme, through setting up fixed ring groove to be the joint of fixed block, improve the installation effectiveness of first grip block.

Optionally, a torsion spring is arranged at the hinge joint between the fixing rod and the mounting block, and the elastic force of the torsion spring enables the fixing block to be normally clamped in the fixing groove.

Through adopting foretell technical scheme, through setting up the torsional spring, can reduce the fixed block and take place the condition that breaks away from in the fixed slot.

Optionally, the first clamping block is rotatably installed in the shell, the second clamping block is rotatably installed in the first cylinder, the first motor is installed in the shell, and an output shaft of the first motor is connected with the first clamping block.

Through adopting foretell technical scheme, open first motor, the output shaft of first motor takes place to rotate to can make first grip block take place to rotate, and then can make the steering column take place to rotate, so that carry out polishing to the outer peripheral face of steering column.

Optionally, the casing is equipped with a polishing assembly, the polishing assembly includes a polishing blade, a connecting block, a first moving member and a second moving member, the first moving member includes a first sliding rail and a first electric push rod, the first sliding rail is installed in the casing, the extension direction of the first sliding rail is perpendicular to the extension direction of the direction column, the second moving member is installed in the first sliding rail, and the first electric push rod is used for moving the second moving member; the connecting block is arranged on the second moving piece, the second moving piece is used for moving the connecting block, and the moving direction of the connecting block is in the same direction as the extending direction of the direction column; the polishing blade is arranged on one side, far away from the first sliding rail, of the connecting block.

By adopting the technical scheme, when the outer peripheral surface of the steering column is required to be polished, the second moving part can move in the direction of the steering column by controlling the first electric push rod, so that the polishing blade is abutted against the surface of Fang Xiangzhu; therefore, the surface of the steering column can be polished, and the polishing blade can move along the length direction of the steering column by controlling the second moving part, so that the surface of the steering column can be polished.

Optionally, the polishing blade is provided with a clamping block, the connecting block is provided with a clamping groove for plugging the clamping block, and the clamping block is fixed in the clamping groove through a bolt.

Through adopting foretell technical scheme, through setting up the screw thread, can accomplish the dismantlement and the fixed in joint piece and the joint groove to the blade of polishing after the change wearing and tearing keeps grinding device to the efficiency of polishing of steering column.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first clamping block and the second clamping block are arranged, and the steering column is connected with the second clamping block in an inserting mode, so that the outer peripheral surface of the end part of the steering column can be polished; when the steering column is polished to the position where the steering column is connected with the first clamping block, the polished end part of the steering column is hidden in the limiting hole, so that the polished position of the steering column in one procedure can be reduced to be polished again, and the polishing precision of the steering column is kept;

2. through setting up the dismantlement piece, dismantle first grip block and second grip block in the casing through the dismantlement piece to the subassembly of polishing can polish not unidimensional steering column.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial cross-sectional view of the present embodiment, primarily embodying a clamping assembly;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B of FIG. 3;

FIG. 5 is a schematic view of the mounting of the detachable member of the present embodiment;

FIG. 6 is a partial cross-sectional view of the present embodiment, primarily embodying a sharpening assembly;

FIG. 7 is a partial enlarged view at C of FIG. 5;

FIG. 8 is a schematic structural view of the first sanding block of the present embodiment;

fig. 9 is a partial cross-sectional view of the first sanding block of this embodiment.

Reference numerals illustrate: 1. a housing; 11. a mounting block; 12. foot pedal; 13. a first threaded portion; 14. an operation port; 15. a door body; 2. a clamping assembly; 21. a first clamping block; 22. a second clamping block; 23. a first cylinder; 24. a first motor; 25. a limiting hole; 26. a limiting block; 27. a second threaded portion; 28. a plug-in groove; 3. a polishing assembly; 31. polishing the blade; 311. a clamping block; 312. a second thread groove; 32. a connecting block; 321. a first sanding block; 322. a second sanding block; 323. a second motor; 324. a clamping groove; 325. a threaded hole; 326. a bolt; 33. a first moving member; 331. a first slide rail; 332. a first electric push rod; 34. a second moving member; 341. a third motor; 342. a screw rod; 343. a sliding block; 344. a guide rod; 345. a second slide rail; 346. a second electric push rod; 4. a dismounting piece; 41. a plug block; 42. a fixed sleeve; 43. a first thread groove; 44. a rotating lever; 45. a fixed block; 46. a fixed ring groove; 47. and a positioning ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-9.

The embodiment of the application discloses grinding device convenient to centre gripping.

Referring to fig. 1 and 2, a polishing device convenient to clamp includes a housing 1, a clamping assembly 2 and a polishing assembly 3 mounted on the housing 1, wherein the clamping assembly 2 and the polishing assembly 3 are mounted in the housing 1, the housing 1 is provided with an operation opening 14, and the housing 1 is provided with a door body 15 for opening and closing the operation opening 14.

Referring to fig. 3 and 4, the clamping assembly 2 includes a first clamping block 21, a second clamping block 22, a first cylinder 23, and a first motor 24; the first air cylinder 23 and the first motor 24 are both arranged in the shell 1, an output shaft of the first motor 24 penetrates through the shell 1, and an installation block 11 is fixed on the output shaft of the first motor 24; the first clamping block 21 is mounted on the mounting block 11; a limiting hole 25 for inserting a steering column is formed in one side, away from the first motor 24, of the first clamping block 21; the second clamping block 22 is rotatably arranged on the driving shaft of the first air cylinder 23, one side of the second clamping block 22, which is far away from the first air cylinder 23, is provided with a limiting block 26 used for being inserted into a central hole of the direction column, and the outer peripheral surface of the limiting block 26 is provided with a rough surface; the housing 1 is provided with a pedal 12, the pedal 12 is electrically connected with the first cylinder 23, and the pedal 12 is used for controlling the movement of the driving shaft of the first cylinder 23.

Referring to fig. 5, the first clamping block 21 and the mounting block 11, and the second clamping block 22 and the first cylinder 23 are connected through the dismounting piece 4, the dismounting piece 4 comprises an inserting block 41 and a fixing sleeve 42, the inserting block 41 is mounted on one side of the mounting block 11 far away from the first motor 24, an inserting groove 28 for inserting the inserting block 41 is formed in one side of the first clamping block 21 far away from the limiting hole 25, a second threaded portion 27 is arranged on one side of the first clamping portion near the first motor 24, and a first threaded portion 13 is arranged on the outer peripheral wall of the mounting block 11; the inner peripheral wall of the fixing sleeve 42 is provided with a first screw groove 43, and the inner peripheral wall of the fixing sleeve 42 is matched with the first screw portion 13 and the second screw portion 27.

The outer wall of the mounting block 11 is hinged with a plurality of rotating rods 44, one side of each rotating rod 44 away from the mounting block 11 is provided with a fixed block 45, and the outer peripheral wall of each fixed block 45 is stuck with a rubber pad; the outer peripheral wall of the fixing sleeve 42 is provided with fixing grooves for clamping the fixing blocks 45, and all the fixing grooves are communicated with each other to form a fixing ring groove 46. A torsion spring is arranged at the hinge joint of the rotating rod 44 and the mounting block 11, and the elastic force of the torsion spring enables the clamping block 311 to be clamped in the fixed ring groove 46 normally. Taking the installation of the first clamping block 21 and the first motor 24 as an example, the installation of the second clamping block 22 and the first cylinder 23 is equally available.

The first clamping block 21 and the second clamping block 22 are disassembled in the shell 1 through the disassembling piece 4 so as to replace the first clamping blocks 21 of the limiting holes 25 with different inner diameters, and the polishing device can polish the steering columns with different sizes; taking the installation of the first clamping part and the installation block 11 as an example, the connection between the first clamping block 21 and the installation block 11 can be increased by arranging the plug-in block 41; and the first clamping block 21 is fixed by using a solid sleeve after being connected with the mounting block 11, so that the possibility that the first clamping block 21 is separated from the mounting block 11 is reduced.

Because the clamping assembly 2 clamps the direction column to rotate, the peripheral wall of the direction column is uniformly polished; the clamping assembly 2 may receive forces in opposite directions on the first clamping block 21 and the mounting block 11 during rotation, so that the solid sleeve moves on the first threaded portion 13 and the second threaded portion 27 and is separated from the connection with the first threaded portion 13/the second threaded portion 27, and the connection stability between the first clamping block 21 and the mounting block 11 is reduced; through setting up dwang 44, fixed sleeve 42 connects behind first grip block 21 and installation piece 11 outer wall, rotates the rotation piece along self with installation piece 11 articulated department, and fixed block 45 gets into in the fixed annular 46 through interference fit's mode joint to play fixed sleeve 42's spacing, reduce fixed sleeve 42 and take place the condition of free movement. The fixing grooves are communicated, so that the situation that the fixing blocks 45 are clamped into the fixing grooves to adjust the positions of the fixing sleeves 42 for a plurality of times can be reduced, and the installation efficiency is improved.

A torsion spring (not shown in the figure) is arranged at the hinge joint between the rotating rod 44 and the mounting block 11, and the elastic force of the torsion spring enables the fixing block 45 to be clamped in the fixing ring groove 46 normally, so that the condition that the fixing block 45 is separated from the fixing ring groove 46 in the working process of the clamping assembly 2 can be reduced.

Referring to fig. 5, the outer peripheral walls of the first clamping block 21 and the second clamping block 22 are provided with positioning rings 47, and when the fixing sleeve 42 connects the first clamping block 21 with the outside of the mounting block 11, the fixing sleeve 42 is screwed from the direction of the first threaded portion 13 approaching the second threaded portion 27 and abuts against the side wall of the positioning rings 47, so that the efficiency of the fixing block 45 being clamped into the fixing ring groove 46 is further improved.

Referring to fig. 6 and 7, the polishing assembly 3 includes a polishing blade 31, a connection block 32, a first moving member 33 and a second moving member 34, the first moving member 33 includes a first slide rail 331 and a first electric push rod 332, the first slide rail 331 and the first electric push rod 332 are both installed in the housing 1, and an extension direction of the first slide rail 331 is perpendicular to an extension direction of the steering column, the second moving member 34 is installed in the first slide rail 331, a driving shaft of the first electric push rod 332 is connected with the second moving member 34, and the second moving member 34 can be moved to a side approaching/separating from the steering column by controlling the first electric push rod 332.

Referring to fig. 6, the second moving member 34 includes a third motor 341, a screw rod 342 and two sliding blocks 343, a second sliding rail 345 is disposed on one side of the inner wall of the housing 1 away from the first sliding rail 331, the extending direction of the second sliding rail 345 is the same as that of the first sliding rail 331, the two sliding blocks 343 are respectively mounted in the first sliding rail 331 and the second sliding rail 345, a second electric push rod 346 is further mounted in the housing 1, the second electric push rod 346 is fixed with the sliding blocks 343 in the second sliding rail 345, and meanwhile, the first electric push rod 332 and the second electric push rod 346 are controlled to move to the side of the column in the approaching/separating direction at the same time.

The third motor 341 is mounted on a sliding block 343 on the second sliding rail 345, one end of the screw rod 342 is fixed with a driving shaft of the third motor 341, and the other end of the screw rod 342 is rotatably mounted on the sliding block 343 on the first sliding rail 331, namely, the extending direction of the screw rod 342 is in the same direction as the extending direction of the direction column; a guide rod 344 is further arranged between the two sliding blocks 343, the connecting block 32 is slidably arranged on the guide rod 344, and the connecting block 32 is sleeved on the screw rod 342 through a nut to be connected. The output shaft of the third motor 341 is started, the screw rod 342 rotates between the two sliding blocks 343, and the connecting block 32 connected to the screw rod 342 through the nut is guided by the guide rod 344 to move along the extending direction of the direction column.

Referring to fig. 8 and 9, the connection block 32 includes a first grinding block 321 and a second grinding block 322, the second grinding block 322 is slidably mounted to the guide bar 344, and the second grinding block 322 is connected to the nut housing; the second grinding block 322 is fixed with a second motor 323, and an output shaft of the second motor 323 is fixed with the second grinding block 322; the number of the polishing blades 31 is multiple, all the polishing blades 31 are arranged at intervals along the circumferential direction of the first polishing block 321, one side of each polishing blade 31 is fixedly provided with a clamping block 311, and one side of each first polishing block 321 far away from each first polishing block 321 is provided with a clamping groove 324 for the clamping block 311 to be inserted; the first grinding block 321 is further provided with a threaded hole 325, the threaded hole 325 is communicated with the clamping groove 324, the clamping block 311 is provided with a second threaded groove 312, and a bolt 326 is fixed in the threaded hole 325 and the first threaded groove 43 together.

When the outer peripheral surface of the steering column is required to be polished, the first electric push rod 332 and the second electric push rod 346 are controlled, so that the sliding block 343 can be moved towards one side of the steering column, and the polishing blade 31 can be abutted against the outer peripheral surface of the steering column; turning on the first motor 24 to rotate the steering column; and by controlling the third motor 341, the polishing blade 31 can move in the longitudinal direction of the direction column and uniformly polish the outer peripheral surface of the direction column; through setting up a plurality of blades 31 that polish, the blade angle of blade 31 that polishes is different can polish the steering column of the different diameters of department, controls the output shaft of second motor 323, makes the different blades 31 butt in steering column outer peripheral face that polishes to can obtain the same steering column of each portion of diameter of different positions, improve the precision of polishing rear steering column.

After the polishing blade 31 is used for a long time, the bolt 326 is screwed to enable the clamping block 311 to cancel the fixation with the clamping groove 324, so that the worn polishing blade 31 can be replaced, and the polishing efficiency of the polishing device can be maintained.

The embodiment of the application is a polishing device convenient to clamp, which comprises the following implementation principles:

when the direction column is required to be clamped, inserting one end of the direction column which is locally ground and polished into the limit hole 25; at this time, the steering column is supported, and the driving shaft of the first cylinder 23 is controlled, so that the limiting block 26 of the second clamping block 22 is inserted into the central hole, and the steering column is clamped in a jacking mode. The direction column and the second clamping block 22 are connected to the first clamping block 21 for polishing, and the outer peripheral surface of the end part of the direction column can be polished due to the fact that the direction column and the second clamping block 22 are connected in a plugging manner; when the polishing is performed to the position where the steering column is connected with the first clamping block 21, since the end portion of the steering column which is polished is hidden in the limiting hole 25, the polishing of the polished position of the steering column in one process can be reduced, and thus the polishing precision of the steering column is maintained. And by providing the rough surface, the situation that the steering column is clamped by the first clamping block 21 and the second clamping block 22 and then rotates freely is reduced.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Grinding device convenient to centre gripping, its characterized in that: the clamping assembly (2) comprises a first clamping block (21), a second clamping block (22) and a first air cylinder (23), wherein the first clamping block (21) is arranged on the shell (1), and a limiting hole (25) for inserting a steering column is formed in the first clamping block (21); the first air cylinder (23) is installed in the shell (1), the second clamping block (22) is installed in the driving shaft of the first air cylinder (23), one side, away from the first air cylinder (23), of the second clamping block (22) is provided with a limiting block (26), and the limiting block (26) is inserted into a central hole of the steering column.

2. A grinding device for facilitating gripping as defined in claim 1, wherein: the first clamping block (21) is connected with the shell (1), and the second clamping block (22) is connected with the first air cylinder (23) through a dismounting piece (4); the dismounting piece (4) comprises a fixed sleeve (42) and a plug-in block (41), and a first thread groove (43) is formed in the inner wall of the fixed sleeve (42); the shell (1) is connected with the first clamping block (21) through the mounting block (11), the plug-in block (41) is mounted on the mounting block (11), and the first clamping block (21) is provided with a plug-in groove (28) for plugging in by the plug-in block (41); the mounting block is characterized in that a first threaded portion (13) is formed in the outer wall of the mounting block (11), a second threaded portion (27) is formed in the outer wall of the first clamping block (21), and a first threaded groove (43) of the fixing sleeve (42) is matched with the first threaded portion (13) and the second threaded portion (27).

3. A grinding device for facilitating gripping as defined in claim 2, wherein: the outer wall of the mounting block (11) is hinged with a plurality of fixing rods, one end of each fixing rod, which is far away from the mounting block (11), is provided with a fixing block (45), and a rubber pad is fixed on the outer wall of each fixing block (45); the fixing sleeve (42) is provided with a fixing groove for clamping the fixing block (45).

4. A grinding device for facilitating gripping as defined in claim 2, wherein: a plurality of fixing grooves on the outer wall of the fixing sleeve (42) are communicated and are provided with fixing ring grooves (46).

5. A polishing apparatus for facilitating gripping as defined in claim 3, wherein; the hinge joint between the fixed rod and the mounting block (11) is provided with a torsion spring, and the elasticity of the torsion spring enables the fixed block (45) to be clamped in the fixed groove normally.

6. A grinding device for facilitating gripping as defined in claim 1, wherein: the first clamping block (21) is rotatably mounted on the shell (1), the second clamping block (22) is rotatably mounted on the first air cylinder (23), the first motor (24) is mounted on the shell (1), and an output shaft of the first motor (24) is connected with the first clamping block (21).

7. A grinding device for facilitating gripping as defined in claim 1, wherein: the polishing device comprises a shell (1), a polishing assembly (3) is arranged on the shell (1), the polishing assembly (3) comprises a polishing blade (31), a connecting block (32), a first moving part (33) and a second moving part (34), the first moving part (33) comprises a first sliding rail (331) and a first electric push rod (332), the first sliding rail (331) is arranged on the shell (1), the extending direction of the first sliding rail (331) is perpendicular to the extending direction of a direction column, the second moving part (34) is arranged on the first sliding rail (331), and the first electric push rod (332) is used for moving the second moving part (34); the connecting block (32) is mounted on the second moving piece (34), the second moving piece (34) is used for moving the connecting block (32), and the moving direction of the connecting block (32) is in the same direction as the extending direction of the direction column; the polishing blade (31) is arranged on one side, far away from the first sliding rail (331), of the connecting block (32).

8. The polishing device for facilitating clamping as recited in claim 7, further comprising: the polishing blade (31) is provided with a clamping block (311), the connecting block (32) is provided with a clamping groove (324) for inserting the clamping block (311), and the clamping block (311) is fixed in the clamping groove (324) through a bolt (326).