CN211661763U - Vibration polishing device - Google Patents

Abstract

The utility model discloses a vibratory finishing device, the device include the mounting bracket and are located vibration bistrique, actuating mechanism on the mounting bracket, actuating mechanism is including being used for the installation the removal frame of vibration bistrique with be used for the drive remove the drive assembly that the frame reciprocated, the vibration bistrique includes the vibration dish and is used for the drive the vibration subassembly of vibration dish vibration, vibratory finishing device is still including covering the part of vibration dish or the consumptive material of whole bottom surfaces. The utility model discloses a vibration burnishing device realizes the vibration polishing to workpiece surface through the vibration of vibration dish to adopt consumptive material and workpiece surface direct contact, the high just polishing effect of polishing precision is good.

Description

Vibration polishing device

Technical Field

The utility model relates to a product surface machining technical field, in particular to vibratory finishing device.

Background

As is well known, in industrial production, in order to improve the texture and the aesthetic appearance of the surface of a product, the surface of a workpiece is often subjected to polishing treatment. In particular, in electronic devices (e.g., mobile phones, tablet computers, notebook computers, etc.), cover plates, housings, etc. forming the surfaces of the electronic devices are generally made of glass or metal materials, and the electronic devices are in direct contact with consumers, so the requirements for polishing the surfaces of the electronic devices are more strict.

At present, the polishing mode that adopts in the market adopts motor drive to throw aureola rotatory to throw aureola through XY drive module drive and feed, throw aureola fast rotation and clear away the burr or the mar on product surface and handle in order to carry out polishing. However, during the rotation of the polishing wheel, a significant mark is left on the surface of the product, the polishing precision is not high, and the polishing effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vibratory finishing device aims at solving the low and not good problem of polishing effect of present polishing processing mode polishing precision.

In order to realize the above-mentioned purpose, the utility model provides a vibratory finishing device, the device include the mounting bracket and are located vibration bistrique, actuating mechanism on the mounting bracket, actuating mechanism is including being used for the installation the removal frame of vibration bistrique with be used for the drive remove the drive assembly that the frame reciprocated, the vibration bistrique includes the vibration dish and is used for the drive the vibration assembly of vibration dish vibration, vibratory finishing device is still including covering the part of vibration dish or the consumptive material of whole bottom surfaces.

Preferably, the vibration subassembly is including installing first motor, one end on the removal frame with the output shaft of first motor eccentric connecting piece, with eccentric dwang and inner circle that the other end of eccentric connecting piece is connected with the bearing that eccentric dwang is connected, the vibration dish with the outer lane of bearing is connected, the central axis of eccentric dwang deviate from in the central axis of the output shaft of first motor, the removal frame is equipped with the holding the spacing space of vibration dish.

Preferably, the vibrating grinding head further comprises a vibration reduction assembly mounted on the moving frame, wherein the vibration reduction assembly comprises a flexible belt arranged along the circumferential side wall of the limit space; or, the vibration damping assembly comprises a plurality of oil buffers, the oil buffers are arranged along the circumferential side wall of the limiting space, and the axis of each oil buffer faces the vibration disc.

Preferably, the inner top wall of the limiting space is provided with a slewing bearing which is coaxially arranged with the output shaft of the first motor, the outer ring of the slewing bearing is connected with the moving frame, the bottom surface of the inner ring of the slewing bearing is provided with a plurality of accommodating holes and balls which are positioned in the accommodating holes, and the vibrating disc is in contact with the balls to form rolling fit with the moving frame.

Preferably, the driving assembly comprises a lead screw vertically arranged on the mounting frame and a second motor connected with the lead screw, and the moving frame is fixedly connected with a lead screw nut of the lead screw.

Preferably, the consumptive material is the abrasive cloth of area shape, the vibration burnishing device still includes automatic cloth changing mechanism, automatic cloth changing mechanism is including being located respectively the left and right sides of vibration bistrique and setting up pivot on the mounting bracket, install pivot epaxial reel, third motor, the output shaft of third motor and two one transmission of pivot is connected, another be provided with first friction disc in the pivot, be provided with on the mounting bracket with the second friction disc of first friction disc butt, automatic cloth changing mechanism still including be used for to first friction disc with the second friction disc provides the elastic element of butt holding power, the abrasive cloth is followed the below of vibration dish is passed, and its both ends are rolled up respectively in two on the reel of pivot.

Preferably, the automatic cloth changing mechanism further comprises two fixed shafts and two rollers, the two fixed shafts are respectively located on the left side and the right side of the vibrating grinding head and are arranged on the mounting frame, the rollers are sleeved on the fixed shafts, and the rollers on the fixed shafts abut against the ground cloth from top to bottom.

Preferably, the vibratory polishing device further comprises a pressure sensor arranged on the mounting frame, and the pressure sensor is used for detecting the downward pressure of the vibratory grinding head.

Preferably, the vibratory finishing device still includes buffering subassembly, buffering subassembly is including setting up mounting panel, the vertical setting of pressure sensor's stress end are in guide arm on the mounting panel, with guide arm sliding fit's guide holder, be located the guide holder with between the mounting panel and the cover is established spring on the guide arm, the guide holder with remove a fixed connection.

The utility model discloses technical scheme's beneficial effect lies in: in the local vibration polishing device, the driving assembly of the driving mechanism drives the movable frame to vertically move so as to drive the vibration grinding head to move to the polishing height, the vibration assembly of the vibration grinding head drives the vibration disc of the vibration grinding head to vibrate, and the consumable material covering the bottom surface of the vibration disc is in contact with the surface of a workpiece so as to polish and polish the workpiece. This vibration burnishing device realizes the vibration polishing to workpiece surface through the vibration of vibration dish to adopt consumptive material and workpiece surface direct contact in order to carry out precision polishing processing, can eliminate workpiece surface's slight mar, and can not leave new processing vestige, polishing precision height and polishing effect are good.

Drawings

Fig. 1 is a schematic structural view of a vibration polishing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the vibratory finishing apparatus of FIG. 1 from another perspective;

FIG. 3 is a schematic view of a partially assembled configuration of the vibratory finishing apparatus of FIG. 1;

FIG. 4 is an exploded view of a portion of the vibratory finishing apparatus of FIG. 1;

fig. 5 is a schematic structural view of another part of the vibratory finishing apparatus of fig. 1.

Detailed Description

In the following, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a vibratory finishing device, refer to fig. 1, the device includes mounting bracket 100 and the vibratory grinding head 200 that is located on mounting bracket 100, actuating mechanism 300 is including the removal frame 310 that is used for installing vibratory grinding head 200 and the drive assembly 320 that is used for the drive to remove frame 310 and reciprocates, vibratory grinding head 200 includes vibration dish 210 and the vibration assembly 220 that is used for driving vibratory dish 210 vibration, vibratory finishing device is still including covering the consumptive material 400 in the part or whole bottom surface of vibratory dish 210.

As shown in fig. 1, the utility model provides a vibratory finishing device can be used to polish the surface of product work piece and handle, adopts the mode of vibration to polish in order to eliminate defects such as workpiece surface's burr, mar to promote product workpiece surface's feel and pleasing to the eye degree. For example, the surface of a product workpiece made of glass, metal, or the like.

Specifically, the vibratory polishing apparatus includes a mounting frame 100, a vibratory grinding head 200, a driving mechanism 300, and a consumable 400, wherein, referring to fig. 1, the mounting frame 100 may be a plate-shaped structure on which a plurality of mounting positions and mounting hole sites are distributed for mounting other structural components (the driving mechanism 300, etc.).

The vibration grinding head 200 comprises a vibration disc 210 and a vibration assembly 220, referring to fig. 4, the vibration disc 210 may be a square plate, and the bottom surface of the vibration disc 210 is a grinding surface for grinding a workpiece; vibration subassembly 220 is used for driving vibration dish 210 vibration, and vibration subassembly 220 can be vibrating motor, and vibrating motor sets up on vibration dish 210, can drive vibration dish 210 vibration after vibrating motor starts. During polishing, the vibration plate 210 is driven by the vibration assembly 220 to vibrate, and the consumable 400 covering part or all of the bottom surface of the vibration plate 210 directly contacts the surface of the workpiece, so that the surface of the workpiece is vibrated and polished.

The consumable 400 is interposed between the vibration plate 210 and the workpiece, and has functions of polishing and protecting the surface of the workpiece. The consumable 400 can be a magic tape, which can be directly adhered to the bottom surface of the vibration plate 210, and the magic tape is used for forming protection on the surface of a workpiece by using fine and soft fibers when being in contact with the surface of the workpiece, so that better polishing effect can be achieved. In addition to the hook and loop fastener, the consumable 400 may have other structures, which will be described in the following embodiments and will not be described herein.

The driving mechanism 300 is used for driving the oscillating grinding head 200 to move up and down so that the oscillating grinding head 200 reaches or leaves a position where the workpiece surface can be ground and polished. The driving mechanism 300 comprises a moving frame 310 and a driving assembly 320, and the oscillating grinding head 200 is mounted on the moving frame 310, wherein it can be understood that the driving mechanism 300 drives the moving frame 310 to move up and down through the driving assembly 320 thereof so as to indirectly drive the oscillating grinding head 200 to move up and down. Alternative configurations of the driving assembly 320 include various configurations, such as a cylinder fixed to the mounting frame 100 with a piston rod of the cylinder facing downward and the moving frame 310 fixed to the piston rod.

Based on above-mentioned content, vibration polishing to workpiece surface is realized through the vibration of vibration dish 210 to the local vibration burnishing device to adopt consumptive material 400 and workpiece surface direct contact in order to carry out precision polishing processing, can eliminate workpiece surface's slight mar, and can not leave new processing vestige, polishing precision height and polishing effect are good.

In a preferred embodiment, referring to fig. 1, 3 and 4, the vibration assembly 220 includes a first motor 221 mounted on a moving frame 310, an eccentric coupling 222 having one end connected to an output shaft of the first motor 221, an eccentric rotation rod 223 connected to the other end of the eccentric coupling 222, and a bearing 224 having an inner ring connected to the eccentric rotation rod 223, the vibration plate 210 is connected to an outer ring of the bearing 224, a central axis of the eccentric rotation rod 223 is offset from a central axis of the output shaft of the first motor 221, and the moving frame 310 is provided with a spacing space 1 for accommodating the vibration plate 210.

In this embodiment, the body of the first motor 221 is fixed on the movable frame 310 by screws, and the output shaft of the first motor 221 is disposed vertically downward. The output shaft of the first motor 221, the eccentric link 222, the eccentric rotating rod 223, the bearing, and the vibration plate 210 are sequentially connected from top to bottom. The eccentric rotating rod 223 can be connected and fixed with the inner ring of the bearing 224 in an interference fit manner, and the center of the vibrating disk 210 is provided with a round hole to be sleeved on the outer ring of the bearing 224 to be connected and fixed with the outer ring in an interference fit manner. Under the driving of the first motor 221, the eccentric link 222 is used to drive the eccentric rotating rod 223 and the bearing 224 to perform eccentric motion, and the vibration plate 210 performs irregular eccentric motion. The eccentric connecting element 222 may be an eccentric shaft or an eccentric coupling, and preferably, the eccentric connecting element 222 is an eccentric coupling. The limiting space 1 can limit the irregular movement of the vibration disk 210, the limiting space 1 is matched with the shape of the vibration disk 210, the limiting space 1 can be formed by arranging a groove on a plate body on the movable frame 310, and in the movement process of the vibration disk 210, the movement of the vibration disk 210 is limited by the support of the circumferential side wall of the limiting space 1, so that the vibration disk 210 generates vibration. Specifically, referring to fig. 4, the vibration plate 210 may have a square structure, and the spacing space 1 may be a square space slightly larger than the square structure.

The vibration plate 210 is vibrated by the driving of the vibration assembly 220, and the vibration principle is as follows: the first motor 221 is started, the output shaft of the first motor 221 drives the eccentric connecting piece 222 to rotate, the eccentric connecting piece 222 drives the eccentric rotating rod 223 and the bearing 224 to do eccentric motion, the outer ring and the inner ring of the bearing 224 are in rotating fit, the vibration disc 210 is fixedly connected with the outer ring of the bearing 224, the vibration disc 210 does irregular motion in the motion process of the bearing, and meanwhile, the limiting space 1 limits the irregular motion of the vibration disc 210, so that the vibration disc 210 vibrates.

In a preferred embodiment, referring to fig. 4, the vibratory grinding head 200 further comprises a vibration damping assembly mounted on the moving frame 310, the vibration damping assembly comprising flexible bands 230 arranged along the circumferential side wall of the spacing space 1; or, the vibration damping assembly includes a plurality of hydraulic buffers, the plurality of hydraulic buffers are arranged along the circumferential side wall of the limiting space 1, and the axial center of the hydraulic buffer faces the vibration plate 210.

Referring to fig. 4, the vibration damping assembly includes a flexible band 230, and the flexible band 230 is disposed in the spacing space 1 along the circumferential direction of the vibration disk 210 to flexibly resist the impact of each side of the vibration disk 210 when the vibration disk 210 moves, thereby damping the movement of the vibration disk 210. Wherein, the flexible belt can be made of rubber materials. In combination with the above embodiment, the flexible band is arranged in a square ring on the circumferential side wall of the spacing space 1.

Alternatively, the vibration damping assembly may be composed of a plurality of hydraulic buffers, the plurality of hydraulic buffers are mounted on the movable frame 310 and arranged along the circumferential direction of the vibration plate 210, and the axis of each hydraulic buffer faces the vibration plate 210. In combination with the above embodiment, two hydraulic buffers may be disposed corresponding to each side of the vibration plate 210 having a square structure, and the number of the hydraulic buffers is not limited thereto and may be determined according to actual situations. Specifically, the hydraulic buffer mainly comprises a body, an axis, a bearing, an inner tube, a piston, a hydraulic shaft, a spring and other structures, wherein the axis is impacted by the external force of the vibration disc 210 to drive the piston to extrude the hydraulic oil of the inner tube, the hydraulic oil is discharged from the oil discharge pipe of the inner tube one by one after being compressed, and meanwhile, the hydraulic oil discharged from the inner tube also flows back to the inner tube from an oil return hole of the inner tube; when the external force disappears, the spring rebounds the piston to the initial point to wait for the next action.

In this embodiment, the vibration damping member is provided to reduce the vibration amplitude of the vibration plate 210, accelerate the vibration frequency of the vibration plate 210 to further improve the polishing effect, and reduce the noise generated by the vibration of the vibration plate 210, thereby optimizing the production and processing environment.

In a preferred embodiment, referring to fig. 4, the inner top wall of the spacing space 1 is provided with a rotary bearing 10 coaxially arranged with the output shaft of the first motor 221, the outer ring of the rotary bearing 10 is connected with the moving frame 310, the inner ring bottom surface of the rotary bearing 10 is provided with a plurality of accommodating holes and balls 20 located in the accommodating holes, and the vibrating disk 210 is in contact with the balls 20 to form a rolling fit with the moving frame 310.

It is known that the slewing bearing 10 is a new mechanical component, which is composed of an inner ring, an outer ring, rolling elements, etc., and can simultaneously bear large axial load, radial load and overturning moment. In this embodiment, a rotary support 10 is disposed on the inner top wall of the spacing space 1, the outer ring of the rotary support 10 is fixed to the moving frame 310 by interference fit, the eccentric rotating rod 223 penetrates through the center of the rotary support 10 and is connected to the vibration disk 210 located in the spacing space 1, and a plurality of balls 20 are disposed between the bottom surface of the inner ring of the rotary support 10 and the vibration disk 210, it can be understood that, when the above structure is adopted, because the outer ring of the rotary support 10 is fixed to the moving frame 310, the movement of the vibration disk 210 can drive the inner ring of the rotary support 10 to rotate through the balls 20. In the embodiment, the movable frame 310 is provided with the rotary bearing 10 and the balls 20, and the balls and the vibration plate 210 are in rolling fit, so that irregular movement of the vibration plate 210 can be restrained, and the vibration effect can be enhanced, so that the polishing precision can be improved.

In a preferred embodiment, referring to fig. 1, the driving assembly 320 includes a screw 321 vertically disposed on the mounting frame 100 and a second motor 322 connected to the screw 321, and the moving frame 310 is fixedly connected to a screw nut of the screw 321.

As will be understood from the foregoing description, the driving assembly 320 is used to drive the movable frame 310 to move up and down, so as to indirectly drive the oscillating grinding heads 200 on the movable frame 310 to move up and down. In this embodiment, the driving assembly 320 adopts a combination structure of the screw 321 and the second motor 322, so that the transmission precision is high, and the driving operation is stable. Specifically, the screw 321 is installed on the installation frame 100 through a fixing seat, the screw of the screw 321 is vertically disposed, the second motor 322 is installed on the fixing seat, and the output shaft of the second motor 322 is located above the screw 321 and is fixedly connected to the screw. The driving assembly 320 drives the moving frame 310 to move, and the driving process is as follows: when the second motor 322 is started, the output shaft of the second motor 322 drives the screw of the screw 321 to rotate, so that the screw nut drives the moving frame 310 to move linearly along the screw.

In a preferred embodiment, referring to fig. 1 and 2, the consumable 400 is a belt-shaped abrasive cloth, the vibration polishing apparatus further includes an automatic cloth-changing mechanism 500, the automatic cloth-changing mechanism 500 includes rotating shafts 510 respectively located at the left and right sides of the vibration grinding head 200 and disposed on the mounting frame 100, a winding drum 520 mounted on the rotating shafts 510, and a third motor 530, an output shaft of the third motor 530 is in transmission connection with one of the rotating shafts 510, the other rotating shaft 510 is provided with a first friction plate 30, the mounting frame 100 is provided with a second friction plate 40 abutting against the first friction plate 30, the automatic cloth-changing mechanism 500 further includes an elastic element (not shown) for providing abutting holding force to the first friction plate 30 and the second friction plate 40, the abrasive cloth passes through the lower side of the vibration disc 210, and both ends of the abrasive cloth are respectively wound on the winding drums 520 of the rotating shafts 510.

In this embodiment, in order to improve the polishing precision of the workpiece surface, the consumable 400 is a belt-shaped abrasive cloth. Since the abrasive cloth is worn after being used for a period of time, the cloth replacement operation is performed at regular time to ensure the polishing precision of the surface of the workpiece. For the used abrasive cloth, an automatic cloth changing mechanism 500 is provided to change the abrasive cloth. Specifically, the automatic cloth changing mechanism 500 includes two rotating shafts 510, a winding drum 520 and a third motor 530, the two rotating shafts 510 are mounted on the mounting frame 100 through bearings, the winding drum 520 is fixed on the rotating shafts 510 and can rotate along with the rotating shafts 510, two ends of the abrasive cloth are respectively wrapped on the winding drums 520 of the two rotating shafts 510, and the two winding drums 520 are respectively used for winding and unwinding the cloth.

The body of the third motor 530 is fixed on the mounting frame 100 by screws, and the output shaft of the third motor 530 is in transmission connection with one of the two rotating shafts 510 by a belt and pulley structure. The third motor 530 is a torque motor, and the third motor 530 provides a certain torque to the rotating shaft 510 disposed therein. Referring to fig. 1 and 2, on another rotating shaft 510, the first friction plate 30, the second friction plate 40 and the elastic element are respectively located at two sides of the mounting frame 100, the second friction plate 40 is arranged close to the mounting frame 100 and fixed by a mounting seat on the mounting frame 100, the first friction plate 30 and the second friction plate 40 are closely attached, one end of the elastic element abuts against the first friction plate 30, and the other end of the elastic element abuts against a nut 50 in threaded fit with the rotating shaft 510. Wherein, the elastic element is a spring. It is understood that the amount of expansion and contraction of the spring is adjusted by the nut 50 to change the abutment holding force of the first and second friction plates 30 and 40, thereby adjusting the frictional force between the two friction plates. It can be understood that the friction between the two friction plates is the rotation friction force applied to the rotating shaft 510.

The cloth changing principle of the automatic cloth changing mechanism 500 is as follows: the third motor 530 is in a starting state, when polishing, the vibrating disk 210 of the vibrating grinding head 200 presses and holds the grinding cloth downwards, the torsion of the third motor 530 is smaller than the friction force between the two friction plates, the rotating shaft 510 and the winding drum 520 do not rotate, and the grinding cloth is not moved and is in a tensioning polishing state; when changing cloth, the torque of the third motor 530 is larger than the friction force between the two friction plates, the rotating shaft 510 and the winding drum 520 rotate in the same direction, and the cloth is moved to change the cloth. In this embodiment, automatic cloth changing mechanism 500 can realize the automatic change of abrasive cloth, and the abrasive cloth need not artifical the change, and degree of automation and machining efficiency are showing and are improving, and the economic benefits who brings also promotes by a wide margin.

In a preferred embodiment, referring to fig. 1, the automatic cloth changing mechanism 500 further includes two fixing shafts 540 respectively located at the left and right sides of the vibrating grinding head 200 and disposed on the mounting frame 100, and a roller 550 sleeved on the fixing shafts 540, wherein the rollers 550 on the two fixing shafts 540 abut against the ground cloth from the top to the bottom.

Specifically, the two fixed shafts 540 are located below the two reels, and the drum 550 is freely rotatable on the fixed shafts 540 and locked by a nut to prevent the drum 550 from moving in the axial direction of the fixed shafts 540. The two rollers 550 jointly support the grinding cloth downwards so that a section of the grinding cloth used for grinding and polishing is in a state of being parallel to the vibration disc 210, the grinding cloth can be friendly matched with the vibration disc 210 to grind and polish workpieces, the wear speed of the grinding cloth is reduced, and the cost of consumable materials 400 is saved; and the movement of the abrasive cloth can be guided in the cloth changing process, so that the matching position of the section of abrasive cloth for polishing and polishing, which is changed by the cloth, and the vibration disc 210 is accurate, and the processing effect is ensured.

In a preferred embodiment, referring to fig. 2 and 5, the vibratory polishing apparatus further includes a pressure sensor 600 provided on the mounting block 100, the pressure sensor 600 being used to detect the downstream pressure of the vibratory grinding head 200.

It will be appreciated that the pressure sensor 600 is a device that senses the pressure signal and converts the pressure signal into a usable output electrical signal in accordance with certain rules. The pressure sensor 600 of the present embodiment is preset with a pressure value according to the optimum polishing pressure of the oscillating grinding head 200 to which the workpiece is subjected, and the pressure value needs to be set according to actual conditions. When the pressure sensor 600 is arranged, the force-bearing part of the pressure sensor 600 is arranged on the downward moving route of the vibrating grinding head 200, and the force-bearing end of the pressure sensor is abutted to the moving frame 310 to sense the downward pressure of the vibrating grinding head 200. Specifically, when the pressure of the movable frame 310 on the pressure sensor 600 reaches a preset pressure value, a signal is sent to the control end to control the driving mechanism 300 to stop driving the vibrating grinding head 200 to move, so that the vibrating grinding head 200 is prevented from moving down too deeply, the workpiece is subjected to a better grinding pressure of the vibrating grinding head 200, and the polishing effect is improved.

In a preferred embodiment, referring to fig. 2 and 5, the vibratory polishing apparatus further includes a buffer assembly 700, the buffer assembly 700 includes a mounting plate 710 disposed at the force-bearing end of the pressure sensor 600, a guide rod 720 vertically disposed on the mounting plate 710, a guide seat 730 slidably engaged with the guide rod 720, and a spring disposed between the guide seat 730 and the mounting plate 710 and sleeved on the guide rod 720, wherein the guide seat 730 is fixedly connected to the movable frame 310.

The pressure sensor 600 is disposed on the mounting frame 100, the two guide rods 720 on the mounting plate 710 are disposed in parallel, the guide holder 730 is composed of two linear bearings and a connecting plate, the two linear bearings are respectively sleeved on the two guide rods 720, the connecting plate is a block and has two through holes, the two linear bearings penetrate through the through holes and are connected with the connecting plate, and the connecting plate of the guide holder 730 is fixedly connected with the movable frame 310. Preferably, the connection plate is fixed to the movable frame 310 by a plurality of screws.

When the moving frame 310 moves down, the guide 730 is driven to move down along the guide rod 720, the spring is compressed by the pressure of the guide 730 and transmits the acting force to the stressed end of the pressure sensor 600 through the mounting plate 710, so that the pressure sensor 600 indirectly detects the down-going pressure of the oscillating grinding head 200. In this embodiment, through the buffering protection of the buffering component 700, the pressure sensor 600 can be prevented from being damaged due to the excessive instantaneous pressure, so that the service life of the pressure sensor 600 is prolonged, and the economic benefit is improved.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a vibratory finishing device, its characterized in that includes the mounting bracket and is located vibratory grinding head, actuating mechanism on the mounting bracket, actuating mechanism is including being used for the installation the removal frame of vibratory grinding head with be used for the drive remove the drive assembly that the frame reciprocated, vibratory grinding head includes the vibration dish and is used for the drive the vibration subassembly of vibration dish vibration, vibratory finishing device is still including covering the part of vibration dish or the consumptive material of whole bottom surface.

2. The vibratory finishing device of claim 1, wherein the vibrating assembly comprises a first motor mounted on the movable frame, an eccentric connecting part with one end connected with an output shaft of the first motor, an eccentric rotating rod connected with the other end of the eccentric connecting part, and a bearing with an inner ring connected with the eccentric rotating rod, the vibrating disk is connected with an outer ring of the bearing, a central axis of the eccentric rotating rod deviates from a central axis of an output shaft of the first motor, and the movable frame is provided with a limit space for accommodating the vibrating disk.

3. The vibratory polishing apparatus of claim 2 wherein said vibratory grinding head further comprises a vibration dampening assembly mounted on said movable frame, said vibration dampening assembly comprising a flexible band disposed along a circumferential sidewall of said confined space; or, the vibration damping assembly comprises a plurality of oil buffers, the oil buffers are arranged along the circumferential side wall of the limiting space, and the axis of each oil buffer faces the vibration disc.

4. The vibratory finishing device of claim 2, wherein the inner top wall of the spacing space is provided with a rotary bearing coaxially arranged with the output shaft of the first motor, the outer ring of the rotary bearing is connected with the movable frame, the bottom surface of the inner ring of the rotary bearing is provided with a plurality of accommodating holes and balls located in the accommodating holes, and the vibrating disk is in contact with the balls to form a rolling fit with the movable frame.

5. The vibratory polishing apparatus as set forth in claim 1 wherein the drive assembly includes a lead screw vertically disposed on the mounting frame and a second motor connected to the lead screw, the movable frame being fixedly connected to a lead screw nut of the lead screw.

6. The vibratory finishing device of claim 1, wherein the consumable is a belt-shaped abrasive cloth, the vibratory finishing device further comprises an automatic cloth-changing mechanism, the automatic cloth-changing mechanism comprises rotating shafts respectively located on the left and right sides of the vibratory finishing head and arranged on the mounting frame, a winding drum arranged on the rotating shafts, a third motor, an output shaft of the third motor is in transmission connection with one of the rotating shafts, a first friction plate is arranged on the other rotating shaft, a second friction plate abutted against the first friction plate is arranged on the mounting frame, the automatic cloth-changing mechanism further comprises an elastic element for providing abutting holding force for the first friction plate and the second friction plate, the abrasive cloth passes through the lower portion of the vibratory disc, and two ends of the abrasive cloth are respectively wrapped on the winding drums of the rotating shafts.

7. The vibratory finishing device of claim 6, wherein the automatic cloth-changing mechanism further comprises two fixed shafts respectively located at the left and right sides of the vibratory grinding head and disposed on the mounting frame, and rollers sleeved on the fixed shafts, wherein the rollers on the two fixed shafts abut against the ground cloth from top to bottom.

8. The vibratory polishing apparatus as set forth in claim 1 further comprising a pressure sensor disposed on said mounting frame for detecting a down-going pressure of said vibratory grinding head.

9. The vibratory finishing device of claim 8, further comprising a buffer assembly, wherein the buffer assembly comprises a mounting plate disposed at a force-bearing end of the pressure sensor, a guide rod vertically disposed on the mounting plate, a guide seat slidably engaged with the guide rod, and a spring disposed between the guide seat and the mounting plate and sleeved on the guide rod, and the guide seat is fixedly connected to the movable frame.

Images