CN210255654U

CN210255654U - Hardware processing burnishing device

Info

Publication number: CN210255654U
Application number: CN201921307257.6U
Authority: CN
Inventors: 嵇海平
Original assignee: Zhejiang Deqing Ten Mu Li Machinery Equipment Co Ltd
Current assignee: Zhejiang Deqing Ten Mu Li Machinery Equipment Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-04-07
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a hardware processing burnishing device, which comprises a housin, there is work platform on the right side of casing and the inner chamber bottom that is located the rectangle through-hole through the support mounting, both sides all are provided with the guide rail along left right direction around work platform's the top, the inner chamber of guide rail is pegged graft and is had first slider, the top of first rectangular plate is provided with fixed establishment, the inner chamber bottom left side central point of casing puts and is provided with servo motor, servo motor's output has first pivot through shaft coupling locking, the outer wall front side interference fit of second pivot has the one end of first connecting rod, the other end of first connecting rod is connected through the round pin rotation with the front side of second slider. This hardware processing burnishing device can polish the inside spherical blind hole of work piece and polish, need not the manual polishing of staff and polish, labour saving and time saving to the high quality of polishing and polishing can effectively reduce the rolling resistance between spherical universal joint, avoids influencing the use, and the practicality is strong.

Description

Hardware processing burnishing device

Technical Field

The utility model relates to a hardware processing technology field specifically is a hardware processing burnishing device.

Background

Hardware is a tool obtained by processing and casting metals such as gold, silver, copper, iron, tin and the like, and is used for fixing things, processing things, decoration and the like, the hardware can be used independently and can also be used as an assisting tool, the hardware has wide application and is diversified, wherein in the production process of a spherical universal joint, after the spherical blind hole in a base is subjected to punch forming, the inner wall of the spherical blind hole has more burrs and other convex blocks, the use is inconvenient and the appearance is obstructed, so the inside of the spherical blind hole needs to be polished and polished after the punching, the polishing device for processing the existing hardware only can polish the surface of the spherical universal joint hardware, the inside of the spherical blind hole of a workpiece cannot be polished, a worker needs to manually polish and polish the inside of the blind hole, wastes time and labor, and is easy to move in the manual polishing process so as to influence the polishing quality, and then increase the rotational resistance between the spherical universal joint, influence the use, to above-mentioned problem, need design a hardware processing burnishing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hardware processing burnishing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hardware processing and polishing device comprises a shell, wherein a rectangular through hole is formed in the right side of the top end of an inner cavity of the shell, a working platform is arranged on the right side of the shell and positioned at the bottom end of the inner cavity of the rectangular through hole through a fixing frame, guide rails are arranged on the front side and the rear side of the top end of the working platform in the left-right direction, the front side and the rear side of the left side and the rear side of the working platform penetrate through the inner cavity of the rectangular through hole and extend into the front end and the rear end of the right side of the bottom end of the inner cavity of the shell, a first sliding block is inserted into the inner cavity of each guide rail, a first rectangular plate is arranged on the inner side of each first sliding block in the front-rear direction, a fixing mechanism is arranged on the top end of each first rectangular plate, a servo motor is arranged in the center position of the left, the side wall of the cylinder is provided with a sliding groove along the circumferential direction, the front side of the inner cavity of the sliding groove is connected with a second sliding block in an inserting manner, the front side of the inner cavity of the shell is positioned below the first rotating shaft and is connected with the second rotating shaft through a bearing in a rotating manner, the inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft, the outer ring of the bearing is fixedly connected with the inner wall of the shell, the front side of the outer wall of the second rotating shaft is in interference fit with one end of a first connecting rod, the other end of the first connecting rod is in rotating connection with the front side of the second sliding block through a pin shaft, the rear side of the outer wall of the second rotating shaft is in key connection with a first gear, the bottom end of the inner cavity of the shell is positioned at the right side of the second rotating shaft and is provided with a second gear, the output end of the second gear is in screw connection with a second gear meshed with, the polishing device comprises a cylindrical rod, a support, a rectangular rod, a base, a second connecting rod and a polishing machine, wherein the support is arranged on the right side of the cylindrical rod, the rectangular rod is rotatably connected to the inner side of the support through a pin shaft, the base is arranged at the bottom end of the rectangular rod, the inner side of the base is rotatably connected with one end of the second connecting rod through a pin shaft, the other end of the second connecting rod is rotatably connected with the front side of a square plate through a pin shaft.

Preferably, the fixing mechanism comprises a rectangular block, a screw rod, a second rectangular plate, a spring and an electric push rod;

both sides all are provided with the rectangular block around the top of first rectangular plate, two around the equal spiro union in outside of rectangular block has the screw rod, the inboard of screw rod extends into the inboard of rectangular block and rotates through the bearing and be connected with the second rectangular plate, the inner ring of bearing and the outer wall interference fit of screw rod, and the outer loop of bearing and the outer wall fixed connection of second rectangular plate, the equal joint in both ends has the one end of spring about the outside of second rectangular plate, the other end of spring and the inboard joint of rectangular block, work platform's top right side central point puts and installs electric push rod, electric push rod's left end and the right side central point of first rectangular plate put the screw connection.

Preferably, the inner cavity of the guide rail is in a dovetail groove shape, and the first sliding block is inserted into the inner cavity of the guide rail in a matched mode.

Preferably, the second sliding block is arc-shaped and is inserted into the inner cavity of the sliding groove in a matching manner.

Preferably, the base is inclined downwards from left to right, and an included angle between the base and the inner side of the support is 60 degrees.

Preferably, the left spring and the right spring are arranged in a left-right symmetrical mode by taking the axis of the screw as a center line.

Compared with the prior art, the beneficial effects of the utility model are that: the hardware processing and polishing device comprises a front screw and a rear screw which are screwed inwards, so that the front screw and the rear screw respectively drive a front rectangular plate and a rear rectangular plate to move inwards to extrude and fix a hardware workpiece at the top end of the first rectangular plate, a servo motor 1 drives a first rotating shaft to drive the rectangular rods to rotate clockwise under the matching of a cylindrical rod and a support, the rectangular rods drive a polishing machine to rotate clockwise in the front-rear direction, a reduction motor drives a second gear to rotate intermittently anticlockwise or clockwise, the first gear drives a first connecting rod to rotate around the axis of a second rotating shaft under the action of rotating force of the second gear, the first connecting rod drives a square plate to move left and right under the matching of a second sliding block, a sliding groove and a cylinder, the square plate is driven to move left and right while the second connecting rod is driven to move left and right, the rectangular rod drives the polishing machine to swing clockwise or anticlockwise under the matching of a base, make burnishing machine control intermittent type nature in the clockwise pivoted in front and back and be fan-shaped swing to make the burnishing machine be the sphere of laminating mutually with the hole inner wall at the inside movement track of the spherical blind hole of work piece, thereby can polish the polishing to the inside spherical blind hole of work piece, need not the manual polishing of staff and polish, labour saving and time saving, and the high quality of polishing and polishing can effectively reduce the rotational resistance between spherical universal joint, avoid influencing the use, the practicality is strong.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic diagram of a cylinder of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

In the figure: 1. the device comprises a shell, 2, a rectangular through hole, 3, a working platform, 4, a guide rail, 5, a first sliding block, 6, a first rectangular plate, 7, a rectangular block, 8, a screw rod, 9, a second rectangular plate, 10, a spring, 11, an electric push rod, 12, a servo motor, 13, a first rotating shaft, 14, a cylinder, 15, a sliding chute, 16, a second sliding block, 17, a second rotating shaft, 18, a first connecting rod, 19, a first gear, 20, a speed reducing motor, 21, a second gear, 22, a square plate, 23, a cylindrical rod, 24, a support, 25, a rectangular rod, 26, a second connecting rod, 27, a polishing machine, 28 and a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hardware processing and polishing device comprises a shell 1, a rectangular through hole 2 is formed in the right side of the top end of an inner cavity of the shell 1, an access door is arranged on the left side of the shell 1, exhaust fans are arranged on the left side and the right side of the top end of the rear side of the shell 1, polished powder is sucked out and collected to prevent pollution in a ring shape, a working platform 3 is arranged on the right side of the shell 1 and is positioned at the bottom end of the inner cavity of the rectangular through hole 2 through a fixing frame, guide rails 4 are arranged on the front side and the rear side of the top end of the working platform 3 in the left and right directions, the left sides of the front working platform and the rear working platform 3 penetrate through the inner cavity of the rectangular through hole 2 and extend into the front end and the rear end of the right side of the inner cavity of the shell 1, a first sliding block 5 is inserted into the inner cavity of the guide rails, the output end of the servo motor 12 is locked with a first rotating shaft 13 through a coupler, the servo motor 12 can drive the first rotating shaft 13 to rotate clockwise, the first rotating shaft 13 drives the rectangular rod 25 to rotate clockwise under the matching of the cylindrical rod 23 and the bracket 24, and the rectangular rod 25 drives the polishing machine 27 to rotate clockwise in the front-back direction, a key block is arranged on the outer wall of the first rotating shaft 13 along the circumferential direction, the cylinder 14 is sleeved on the right side of the outer wall of the first rotating shaft 13, the cylinder 14 can be driven to rotate by the first rotating shaft 13 in the rotating process, the inner cavity of the sliding groove 15 is driven to rotate clockwise along the outer wall of the second sliding block 16 in the rotating process of the cylinder 14, so as to avoid the influence of the cylinder 14 on the rotation of the first rotating shaft 13 in the moving process, the sliding groove 15 is arranged on the side wall of the cylinder 14 along the circumferential direction, the front side of the inner cavity of the sliding groove 15 is inserted with the second sliding block 16, the front, the inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft 17, the outer ring of the bearing is fixedly connected with the inner wall of the shell 1, one end of a first connecting rod 18 is in interference fit with the front side of the outer wall of the second rotating shaft 17, the other end of the first connecting rod 18 is rotationally connected with the front side of a second sliding block 16 through a pin shaft, the rear side of the outer wall of the second rotating shaft 17 is in key connection with a first gear 19, a second gear 21 is installed at the bottom end of the inner cavity of the shell 1 and positioned at the right side of the second rotating shaft 17, the output end of the second gear 21 is in screw connection with a second gear 21 meshed with the first gear 19, a speed reduction motor 20 can drive the second gear 21 to intermittently rotate anticlockwise or clockwise, the first gear 19 enables the second rotating shaft 17 to drive the first connecting rod 18 to rotate by taking the axis of the second rotating shaft 17 as the center of a circle under the action of the, the right screw milling stage of the first rotating shaft 13 is provided with a cylindrical rod 23, a support 24 is arranged on the right side of the cylindrical rod 23, the inner side of the support 24 is rotatably connected with a rectangular rod 25 through a pin shaft, the bottom end of the rectangular rod 25 is provided with a base 28, the inner side of the base 28 is rotatably connected with one end of a second connecting rod 26 through a pin shaft, the other end of the second connecting rod 26 is rotatably connected with the front side of the square plate 22 through a pin shaft, the top end of the rectangular rod 25 is provided with a polishing machine 27, the first connecting rod 18 drives the second sliding block 16 to slide up and down in the inner cavity of the sliding groove 15 while rotating, so that the cylinder 14 drives the first rotating shaft 22 to move left and right on the outer wall of the first rotating shaft 13, the square plate 22 moves left and right while driving the second connecting rod 26 to drive the polishing machine 27 to.

Preferably, the fixing mechanism further comprises a rectangular block 7, a screw 8, a second rectangular plate 9, a spring 10 and an electric push rod 11;

the front side and the rear side of the top end of a first rectangular plate 6 are respectively provided with a rectangular block 7, the outer sides of the front rectangular block 7 and the rear rectangular block 7 are respectively screwed with a screw rod 8, the inner side of the screw rod 8 extends into the inner side of the rectangular block 7 and is rotatably connected with a second rectangular plate 9 through a bearing, the inner ring of the bearing is in interference fit with the outer wall of the screw rod 8, the outer ring of the bearing is fixedly connected with the outer wall of the second rectangular plate 9, a worker can place a hardware workpiece on the first rectangular plate 6 and inwards screw the front screw rod 8 and the rear screw rod 8 so that the front screw rod 8 and the rear screw rod 8 respectively drive the front rectangular plate 9 and the rear rectangular plate 9 to move inwards to extrude the hardware workpiece at the top end of the first rectangular plate 6 and fix the left end and the right end of the outer side of the second rectangular plate 9, the other end of the spring 10 is clamped with the inner side, spring 10 receives tensile or produces elastic deformation after the extrusion, resume to initial condition after getting rid of external force, work platform 3's top right side central point puts and installs electric push rod 11, the left end of electric push rod 11 and the right side central point of first rectangular plate 6 put the screw connection, the steerable electric push rod 11 of staff extension, electric push rod 11 promotes first rectangular plate 6 and moves to the left side and passes in the inner chamber of rectangle through-hole 2 removes to casing 1 to make the inside spherical blind hole of hardware work piece pass burnishing machine 27.

Preferably, the inner cavity of the guide rail 4 is in a dovetail groove shape, and the first sliding block 5 is inserted into the inner cavity of the guide rail 4 in a matching manner, so that the first rectangular plate 6 is limited by one sliding block 5.

Preferably, the second slider 16 is arc-shaped, and the second slider 16 is inserted into the inner cavity of the sliding slot 15, so that the inner cavity of the sliding slot 15 can rotate clockwise along the outer wall of the second slider 16 when the first rotating shaft 13 drives the cylinder 14 to rotate, thereby preventing the cylinder 14 from influencing the rotation of the first rotating shaft 13 during the moving process.

Preferably, the base 25 is inclined downwards from left to right, and the included angle between the base 25 and the inner side of the bracket 24 is 60 degrees, so that the second connecting rod 26 can make the rectangular rod 25 drive the polishing machine 27 to swing clockwise or counterclockwise in the left-right direction under the cooperation of the base 28.

Preferably, the left spring 10 and the right spring 10 are symmetrically arranged with the axis of the screw 8 as a center line, so that the springs 10 limit the position of the second rectangular plate 9, and the screw 8 is prevented from driving the second rectangular plate 9 to rotate in the rotating process.

The following electric devices have the following types and functions:

the electric push rod 11: the model number is DYTZB1000-500/110-P, and is connected with an external power supply, the electric push rod 11 is controlled by an external operating system, and can drive the first rectangular plate 6 to move left and right by self extension and contraction;

the servo motor 12: the servo motor with the model number of SGMAH-08AAA41 is connected with an external power supply, and the servo motor 12 is controlled by an external operating system and can drive the first rotating shaft 13 to rotate clockwise;

the gear motor 20: the model of the gear box is R107R77 single output shaft forward and reverse rotation motor which is connected with an external power supply, and the speed reducing motor 20 is controlled by an external operating system and can drive the second gear 21 to intermittently rotate anticlockwise or clockwise;

and (5) polishing machine 27: the type of the polishing machine is R51806-2, an external power supply is connected, the speed reducing motor 20 is controlled by an external operating system, and the motor in the polishing machine 27 can drive the brush head to rotate, so that the spherical blind hole in the workpiece can be polished.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, a worker sequentially unscrews the front screw 8 and the rear screw 8 outwards to enable the front screw 8 and the rear screw 8 to respectively drive the front rectangular plate 9 and the rear rectangular plate 9 to move outwards and extrude the spring 10, places a hardware workpiece on the first rectangular plate 6 to enable the spherical blind hole on the hardware workpiece to be aligned with the polishing machine 27, screws the front screw 8 and the rear screw 8 inwards to enable the front screw 8 and the rear screw 8 to respectively drive the front rectangular plate 9 and the rear rectangular plate 9 to move inwards to extrude the hardware workpiece at the top end of the first rectangular plate 6 to further fix the hardware workpiece, controls the electric push rod 11 to start and extend, and under the limiting action of the first sliding block 5, the electric push rod 11 pushes the first rectangular plate 6 to move leftwards to penetrate through the inner cavity of the rectangular through hole 2 to move into the shell 1 and enables the spherical blind hole inside the hardware workpiece to penetrate through the polishing machine 27, the worker sequentially controls the servo motor 12, the reducing motor 20 and the polishing machine 27 to start, the servo motor 12 drives the first rotating shaft 13 to rotate clockwise, the first rotating shaft 13 drives the rectangular rod 25 to rotate clockwise under the cooperation of the cylindrical rod 23 and the bracket 24, and the rectangular rod 25 drives the polishing machine 27 to rotate clockwise in the front-back direction, the reducing motor 20 drives the second gear 21 to rotate intermittently anticlockwise or clockwise, when the second gear 21 rotates anticlockwise, the first gear 19 drives the second rotating shaft 17 to rotate clockwise under the action of the rotating force of the second gear 21, the second rotating shaft 17 drives the first connecting rod 18 to rotate clockwise around the axis of the second rotating shaft 17, and as the key blocks are arranged on the outer wall of the first rotating shaft 13 along the circumferential direction, the cylinder 14 is sleeved on the right side of the outer wall of the key block of the first rotating shaft 13, the first connecting rod 18 drives the second sliding block 16 to slide up and down in the inner cavity of the sliding chute 15 while rotating, so that the cylinder 14 drives the first rotating shaft 22 to move to the left side on the outer wall of the first rotating shaft 13, and the first rotating shaft 13 drives the cylinder 14 to rotate clockwise in the rotating process, because the second sliding block 16 is inserted into the inner cavity of the sliding chute 15, and in the rotating process of the first rotating shaft 13 driving the cylinder 14, the inner cavity of the sliding chute 15 rotates clockwise along the outer wall of the second sliding block 16, so as to avoid the influence of the cylinder 14 on the rotation of the first rotating shaft 13 in the moving process, because the length of the second connecting rod 26 is fixed, and the second connecting rod 26 is rotatably connected with the base 28 through a pin shaft, the base 28 is rotatably connected with the inner side of the rectangular rod 25 through a pin shaft, the square plate 22 moves to the left side and simultaneously pulls the second connecting rod 26 to move to the left side, the second connecting rod 26 makes the rectangular rod 25 drive the polishing machine 27 to swing clockwise under the cooperation of the base 28, and when the second gear 21 rotates clockwise, the first gear 19 drives the second, the second rotating shaft 17 is prompted to drive the first connecting rod 18 to rotate anticlockwise by taking the axis of the second rotating shaft 17 as a circle center, the first connecting rod 18 drives the square plate 22 to move towards the right side under the coordination of the second sliding block 16, the sliding chute 15 and the cylinder 14, the square plate 22 moves towards the right side and simultaneously pulls the second connecting rod 26 to move towards the right side, the second connecting rod 26 enables the rectangular rod 25 to drive the polishing machine 27 to swing anticlockwise under the coordination of the base 28, the polishing machine 27 is prompted to rotate clockwise in the front and back direction and intermittently swing in a fan shape from left to right, so that the movement track of the polishing machine 27 in the spherical blind hole of the workpiece is in a spherical shape attached to the inner wall of the hole, the internal motor of the polishing machine 27 drives the brush head to rotate, thereby polishing and polishing the spherical blind hole in the workpiece, manual polishing of workers is not needed, time and labor are saved, the polishing quality, avoid influencing the use, the practicality is strong.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "keyed," "plugged," "socketed," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, releasably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hardware processing burnishing device, includes casing (1), its characterized in that: the right side of the top end of the inner cavity of the shell (1) is provided with a rectangular through hole (2), the right side of the shell (1) and the bottom end of the inner cavity positioned in the rectangular through hole (2) are provided with a working platform (3) through a fixing frame, the front side and the rear side of the top end of the working platform (3) are respectively provided with a guide rail (4) along the left-right direction, the front side and the rear side of the left side of the inner cavity of the rectangular through hole (2) are penetrated through the inner cavity of the rectangular through hole (3) and extend into the front end and the rear end of the right side of the bottom end of the inner cavity of the shell (1), the inner cavity of the guide rail (4) is spliced with a first sliding block (5), the inner side of the first sliding block (5) is provided with a first rectangular plate (6) along the front-rear direction, the top end of the first rectangular plate (6) is provided with, the outer wall of the first rotating shaft (13) is provided with a key block along the circumferential direction, the right side of the outer wall of the first rotating shaft (13) is sleeved with a cylinder (14), the side wall of the cylinder (14) is provided with a sliding groove (15) along the circumferential direction, the front side of an inner cavity of the sliding groove (15) is connected with a second sliding block (16) in an inserting manner, the front side of the inner cavity of the shell (1) is positioned below the first rotating shaft (13) and is connected with a second rotating shaft (17) through a bearing in a rotating manner, an inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft (17), an outer ring of the bearing is fixedly connected with the inner wall of the shell (1), the front side of the outer wall of the second rotating shaft (17) is in interference fit with one end of a first connecting rod (18), the other end of the first connecting rod (18) is in rotating connection with the front side of the second sliding block (16) through a pin shaft, a second gear (21) is arranged at the bottom end of the inner cavity of the shell (1) and positioned at the right side of the second rotating shaft (17), the output end of the second gear (21) is in screw connection with a second gear (21) meshed with the first gear (19), a square plate (22) is arranged on the right side of the bottom end of the side wall of the cylinder (14), a cylindrical rod (23) is arranged on the right side of the first rotating shaft (13) in a screw refining mode, a bracket (24) is arranged on the right side of the cylindrical rod (23), a rectangular rod (25) is rotatably connected to the inner side of the bracket (24) through a pin shaft, a base (28) is arranged at the bottom end of the rectangular rod (25), the inner side of the base (28) is rotatably connected with one end of a second connecting rod (26) through a pin shaft, the other end of the second connecting rod (26) is rotatably connected with the front side of the square plate (22) through a pin shaft, and a polishing machine (27) is arranged at the top end of the rectangular rod (25).

2. The hardware processing polishing device according to claim 1, characterized in that: the fixing mechanism comprises a rectangular block (7), a screw rod (8), a second rectangular plate (9), a spring (10) and an electric push rod (11);

both sides all are provided with rectangular block (7) around the top of first rectangular plate (6), two around the equal spiro union in outside of rectangular block (7) has screw rod (8), the inboard of screw rod (8) extends into the inboard of rectangular block (7) and is connected with second rectangular plate (9) through the bearing rotation, the inner ring of bearing and the outer wall interference fit of screw rod (8), and the outer loop of bearing and the outer wall fixed connection of second rectangular plate (9), the equal joint in both ends has the one end of spring (10) about the outside of second rectangular plate (9), the other end of spring (10) and the inboard joint of rectangular block (7), the top right side central point of work platform (3) puts and installs electric push rod (11), the left end of electric push rod (11) and the right side central point of first rectangular plate (6) put the screwed connection.

3. The hardware processing polishing device according to claim 1, characterized in that: the inner cavity of the guide rail (4) is in a dovetail groove shape, and the first sliding block (5) is connected with the inner cavity of the guide rail (4) in an adaptive inserting mode.

4. The hardware processing polishing device according to claim 1, characterized in that: the second sliding block (16) is arc-shaped, and the second sliding block (16) is inserted into the inner cavity of the sliding groove (15) in an adaptive mode.

5. The hardware processing polishing device according to claim 1, characterized in that: the base (28) is arranged from left to right in a downward inclined mode, and an included angle between the base (28) and the inner side of the support (24) is 60 degrees.

6. The hardware processing polishing device according to claim 2, characterized in that: the left spring and the right spring (10) are arranged in bilateral symmetry by taking the axis of the screw rod (8) as a central line.