CN117943911A

CN117943911A - Polishing equipment for part machining

Info

Publication number: CN117943911A
Application number: CN202410354198.7A
Authority: CN
Inventors: 张详; 邝立仪; 陈良进
Original assignee: Guangdong Qixin Mould Co ltd
Current assignee: Guangdong Qixin Mould Co ltd
Priority date: 2024-03-27
Filing date: 2024-03-27
Publication date: 2024-04-30
Anticipated expiration: 2044-03-27

Abstract

The invention relates to the technical field of polishing devices, and discloses polishing equipment for part processing, which comprises a rack; the rotary clamping assembly comprises a turntable, a rotary driving mechanism and a clamping mechanism, the clamping mechanism is used for clamping a workpiece to be polished, and the rotary driving mechanism is used for driving the turntable to rotate; the lifting assembly comprises a lifting driving mechanism and a lifting plate; the lifting driving mechanism is used for driving the lifting plate to move up and down along the vertical direction; the outer wall polishing assembly comprises a plurality of polishing wheels and a first adjusting mechanism; the first adjusting mechanism is used for driving the plurality of polishing wheels to be respectively contacted with or separated from the outer wall of the workpiece to be polished; the inner wall polishing assembly comprises a plurality of polishing arc plates and a second adjusting mechanism; the second adjusting mechanism is used for driving the plurality of polishing arc plates to be in contact with or separated from the inner wall of the workpiece to be polished. The invention can polish the inner wall and the outer wall of the workpiece to be polished simultaneously, has good stability in the polishing process and small energy loss in the working process, and can rapidly finish the adjustment work before polishing.

Description

Polishing equipment for part machining

Technical Field

The invention relates to the technical field of polishing devices, in particular to polishing equipment for part processing.

Background

In the process of automobile production, a large amount of part processing equipment is needed, wherein part polishing equipment is equipment for carrying out grinding, polishing, deburring and other treatments on the surface of a workpiece so as to improve the surface quality and precision of the part, the hollow cylindrical part is used as one of various parts, the application is very wide, and the hollow cylindrical part is divided into a hollow cylindrical part and a solid hollow cylindrical part, so that different polishing modes and polishing procedures are also carried out on different types of hollow cylindrical parts.

In the related art, the hollow cylindrical part polishing equipment is generally only suitable for polishing hollow cylindrical parts with single specification, is difficult to meet the polishing requirements on hollow cylindrical parts with different specifications, and has a small application range. The invention patent of application number CN202010821506.4 discloses adjustable polishing equipment for hollow cylindrical parts, relates to the technical field of hollow cylindrical parts, and solves the problem that the polishing requirements of hollow cylindrical parts and solid hollow cylindrical parts with different sizes cannot be met in the conventional hollow cylindrical part polishing equipment. The adjustable polishing equipment for the hollow cylindrical parts comprises a base, a vertical clamping plate, an elastic piece, a vertical plate, a top plate, an electric push rod, a connecting block, a connecting plate, a sliding block, an adjustable polishing assembly for an outer ring, an adjustable polishing assembly for an inner ring and the like; the base is provided with two vertical clamping plates in a sliding mode, an elastic piece is arranged between each vertical clamping plate and the base, the vertical plates are fixedly arranged on the upper side face of one end of the base, and a small sliding groove is formed in each vertical plate. The device can satisfy the demand of polishing of hollow cylinder part and solid hollow cylinder part of equidimension not, can also carry out the operation of reciprocating polishing to hollow cylinder part for hollow cylinder part polishes more comprehensively, thoroughly. However, this device has the following problems: the rotary assembly is adopted to drive the outer ring adjustable polishing assembly and the inner ring adjustable polishing assembly to rotate, and comprises a roller, a first bevel gear, a second bevel gear, a first pinion, a rotary disk, a rotary inner gear ring, a second pinion, a third pinion, an outer gear ring and a connecting shaft; the outer ring of the five outer ring polishing arc blocks can be polished when the five outer ring polishing arc blocks move downwards to be in contact with the outer ring of the hollow cylindrical part, the inner ring of the five inner ring polishing arc blocks can be polished when the five inner ring polishing arc blocks move downwards to be in contact with the inner ring of the hollow cylindrical part, the five outer ring polishing arc blocks are rotated to be polished in the descending or ascending process, equipment is easy to shake, and the stability is poor; the electric push rod needs to drive the outer ring adjustable polishing assembly, the inner ring adjustable polishing assembly and the rotating assembly to integrally lift, so that energy loss is large in the working process; in addition, because the transmission parts are too many, the whole machine is required to be disassembled due to the damage of one part, and the parts are troublesome to replace.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide polishing equipment for part processing, which can polish the inner wall and the outer wall of a workpiece to be polished respectively at the same time, can meet the polishing requirements of hollow cylindrical parts with different sizes, and solves the problems that the conventional hollow cylindrical part polishing equipment generally only polishes hollow cylindrical parts with a single specification, is difficult to meet the polishing requirements of hollow cylindrical parts with different specifications and has a small application range; on the other hand, the rotary table is driven to rotate through the rotary driving mechanism, the lifting plate is driven by the lifting driving mechanism to drive the outer wall polishing assembly and the inner wall polishing assembly to move upwards or downwards together so as to finish polishing, and the equipment cannot shake greatly in the polishing process, so that the stability is good; in addition, the rotary driving mechanism is independently controlled, the lifting driving mechanism is not required to drive, the energy loss in the working process is greatly reduced, and the first adjusting mechanism and the second adjusting mechanism are arranged, so that the polishing front adjusting work can be rapidly completed, and the polishing front adjusting mechanism has the advantage of convenience in operation.

The invention adopts the following technical scheme:

The first aspect of the invention provides polishing equipment for part processing, which comprises a frame; the frame comprises a base and a vertical mounting plate fixedly mounted on the base; further comprises:

The rotary clamping assembly comprises a turntable, a rotary driving mechanism and a clamping mechanism, wherein the turntable is rotatably arranged on the upper surface of the base, the clamping mechanism is fixedly arranged on the turntable, the clamping mechanism is used for clamping the workpiece to be polished, the rotary driving mechanism is arranged on the base, and the rotary driving mechanism is used for driving the turntable and the workpiece to be polished to rotate around a Z axis;

the lifting assembly comprises a lifting driving mechanism and a lifting plate, the lifting driving mechanism is arranged on the vertical mounting plate, the lifting plate is slidably arranged on the vertical mounting plate, and the lifting driving mechanism is used for driving the lifting plate to move up and down along the vertical direction;

The outer wall polishing assembly comprises a plurality of polishing wheels and a first adjusting mechanism, the first adjusting mechanism is arranged on the bottom surface of the lifting plate, the plurality of polishing wheels are connected with the first adjusting mechanism, and the first adjusting mechanism is used for driving the plurality of polishing wheels to be respectively contacted with or separated from the outer wall of the workpiece to be polished;

The inner wall polishing assembly comprises a plurality of polishing arc plates and a second adjusting mechanism, wherein the second adjusting mechanism is installed in the middle of the bottom surface of the lifting plate, the polishing arc plates are respectively connected with the second adjusting mechanism, and the second adjusting mechanism is used for driving the polishing arc plates to be in contact with or separated from the inner wall of the workpiece to be polished.

In a first aspect of the present invention, as an optional embodiment, the base is internally formed with a mounting cavity, and the rotary driving mechanism includes a rotary motor mounted in the mounting cavity, and an output shaft of the rotary motor extends upward through a top surface of the base; the rotary table comprises a rotary table body, the rotary table body is fixedly arranged on the extending end of the output shaft of the rotary motor, and two mounting grooves are symmetrically formed in the rotary table body; the clamping mechanism comprises two electric telescopic rods, the two electric telescopic rods are symmetrically arranged in the two mounting grooves along the horizontal direction, and each output shaft of the electric telescopic rod is fixedly provided with a vertical clamping plate.

In a first aspect of the present invention, as an alternative embodiment, the first adjusting mechanism includes a plurality of vertical connection columns, an annular fixing plate, a gear ring, a plurality of driven gears, a plurality of swing frames, a driving gear, and a driving motor; the driven gears, the swinging frames and the grinding wheels are the same in number and correspond to each other one by one;

The outer side wall of the annular fixing plate is provided with a plurality of protruding parts which are arranged in an annular array around the central axis of the annular fixing plate;

the lower end parts of the plurality of vertical connecting columns are respectively and correspondingly fixedly arranged on the plurality of protruding parts, and the upper end parts of the plurality of vertical connecting columns are respectively and fixedly arranged on the bottom surface of the lifting plate;

The gear ring is rotatably arranged on the top surface of the annular fixing plate through a bearing;

The driven gears are arranged in an annular array around the central axis of the annular fixed plate, each driven gear is fixedly arranged on the annular fixed plate through a connecting shaft, and the driven gears are respectively meshed with the gear rings;

one end of the swing frame is fixedly connected to the driven gear, and the other end of the swing frame is fixedly provided with a polishing wheel;

The driving motor is fixedly arranged at one end of the annular fixing plate through the connecting frame, the driving gear is fixedly connected to the output shaft of the driving motor, and the driving gear is meshed with the inner teeth of the gear ring.

In a first aspect of the present invention, as an optional embodiment, fixing rods are fixedly disposed at the upper end and the lower end of the polishing wheel, an arc-shaped groove is formed at one end of the swing frame, one end of each fixing rod is movably fitted in the arc-shaped groove, a half-ring sleeve is tightly sleeved at the other end of each fixing rod, and two sides of each half-ring sleeve are in threaded connection with the swing frame through fixing screws.

In a first aspect of the present invention, as an optional embodiment, one end of the fixing rod is fixedly provided with a protruding portion, the protruding portion is configured as a trapezoid, and a clamping groove capable of being matched with the protruding portion is formed in an inner side wall of the arc-shaped groove.

In a first aspect of the present invention, as an alternative embodiment, the second adjusting mechanism includes a connecting rod, a plurality of support rods, a guide frame, a plurality of driving screws, a plurality of sliders, and an internal driving assembly; the driving screw rods, the sliding blocks and the polishing arc plates are the same in number and correspond to each other one by one;

The upper end part of the connecting rod is fixedly arranged in the middle of the bottom surface of the lifting plate;

the guide frame is fixedly arranged at the lower end part of the connecting rod through a plurality of support rods;

The driving screw rods are arranged in the guide frame through bearing seats, a plurality of driving screw rods are arranged around the central axis of the guide frame in an array, a plurality of sliding blocks are in threaded connection with the surfaces of the driving screw rods in a one-to-one correspondence manner, the sliding blocks are movably connected with the inner side walls of the guide frame, and a plurality of polishing arc plates are arranged at one end of each sliding block in a one-to-one correspondence manner;

The internal driving assembly is arranged in the guide frame and used for driving the driving screws to rotate respectively, and the driving screws drive the sliding blocks to move so as to drive the polishing arc plates to be in contact with or separate from the inner walls of the workpieces to be polished.

In a first aspect of the present invention, as an optional embodiment, the internal driving assembly includes an adjusting motor, a first bevel gear and a second bevel gear, the adjusting motor is mounted on a surface of the guide frame through a flange, the first bevel gear and the second bevel gear are both disposed inside the guide frame, an output shaft of the adjusting motor penetrates through the guide frame and is fixedly connected with the first bevel gear, the second bevel gear is fixedly connected with one end of the driving screw, the second bevel gear is matched with the number of the driving screw, and each second bevel gear is meshed with the first bevel gear.

In a first aspect of the present invention, as an optional embodiment, one end of the sliding block is fixedly provided with a groove block, the surface of the polishing arc plate is fixedly provided with a convex block, the convex block is arranged in a convex shape, and the convex block is adapted to be inserted into the groove block.

In a first aspect of the present invention, as an optional embodiment, an elastic plate is disposed on an inner side wall of the groove block through a placement groove, a bottom end of the elastic plate is fixedly connected with the placement groove, a clamping portion is fixedly disposed on a top end of the elastic plate, the clamping portion is arc-shaped, and a clamping groove capable of being clamped with the clamping portion is formed in a side face of the protruding block.

In a first aspect of the present invention, as an optional embodiment, the lifting driving mechanism includes a variable speed motor, a sliding rail, and an adjusting screw; the sliding rail is fixedly arranged on the surface of the vertical mounting plate, the variable speed motor is arranged at the top of the sliding rail, the lower end part of the adjusting screw rod is connected to the surface of the vertical mounting plate through a bearing, and the upper end part of the adjusting screw rod is fixedly connected with the output shaft of the variable speed motor; the lifting plate is connected with the surface of the sliding rail in a sliding way, and the lifting plate is sleeved on the surface of the adjusting screw rod in a threaded way.

The invention has the following beneficial effects:

1. According to the polishing equipment for machining parts, in the practical application process, when the inner and outer walls of workpieces (hollow cylinders) to be polished with different sizes are required to be polished, firstly, the workpieces to be polished are placed on the surface of a turntable, the workpieces to be polished are clamped through a clamping mechanism, then a lifting driving mechanism is controlled to drive a lifting plate to move downwards along the vertical direction, so that the lifting plate drives an outer wall polishing assembly and an inner wall polishing assembly to move downwards together, when the outer wall polishing assembly moves to the outside of the top of the hollow cylinder and the inner wall polishing assembly moves to the inside of the top of the hollow cylinder, a plurality of polishing wheels are driven by a first adjusting mechanism to contact with the outer walls of the workpieces to be polished respectively, a plurality of polishing arc plates are driven by a second adjusting mechanism to contact with the inner walls of the workpieces to be polished, and then the lifting driving mechanism is stopped; the rotary driving mechanism drives the turntable to rotate, the turntable drives the workpiece to be polished to rotate around the Z axis, so that the workpiece to be polished can rotate along the surfaces of the polishing arc plate and the polishing wheel, the polishing arc plate and the polishing wheel respectively polish the outer surface and the inner side wall of the workpiece to be polished, and then the lifting plate is driven by the lifting driving mechanism to continuously move downwards, so that the lifting plate drives the outer wall polishing assembly and the inner wall polishing assembly to move downwards together, and the workpiece to be polished descends and simultaneously polishes; when the workpiece to be polished is moved to a preset position below, the lifting plate is driven to move upwards through the lifting driving mechanism, the lifting plate drives the outer wall polishing assembly and the inner wall polishing assembly to move upwards together, the workpiece to be polished is polished while ascending, after the workpiece to be polished is moved to the preset position below, the rotation driving mechanism is stopped, the lifting mechanism is stopped, then the first adjusting mechanism is used for driving a plurality of polishing wheels to be separated from the outer wall of the workpiece to be polished, the second adjusting mechanism is used for driving a plurality of polishing arc plates to be separated from the inner wall of the workpiece to be polished, the workpiece to be polished is taken out and turned over 180 degrees and then placed on the surface of the turntable, and the workpiece to be polished is repeatedly polished once again, so that the clamping part can be polished. In summary, the first adjusting mechanism drives the polishing wheels to be respectively contacted with the outer wall of the workpiece to be polished, the second adjusting mechanism drives the polishing arc plates to be contacted with the inner wall of the workpiece to be polished, the rotary table is driven to rotate by the rotary driving mechanism, the workpiece to be polished is driven to rotate around the Z axis by the rotary table, and the lifting plate is driven to continuously move upwards or downwards by the lifting driving mechanism, so that the lifting plate drives the outer wall polishing assembly and the inner wall polishing assembly to move upwards or downwards together, and further polishing is completed; on one hand, the polishing device can polish the inner wall and the outer wall of a workpiece to be polished simultaneously, can meet the polishing requirements of hollow cylindrical parts with different sizes, and solves the problems that the conventional hollow cylindrical part polishing device only generally polishes hollow cylindrical parts with single specification, is difficult to meet the polishing requirements of hollow cylindrical parts with different specifications and has a small application range; on the other hand, the rotary table is driven to rotate through the rotary driving mechanism, the lifting plate is driven by the lifting driving mechanism to drive the outer wall polishing assembly and the inner wall polishing assembly to move upwards or downwards together so as to finish polishing, and the equipment cannot shake greatly in the polishing process, so that the stability is good; in addition, the rotary driving mechanism is independently controlled, the lifting driving mechanism is not required to drive, the energy loss in the working process is greatly reduced, and the first adjusting mechanism and the second adjusting mechanism are arranged, so that the polishing front adjusting work can be rapidly completed, and the polishing front adjusting mechanism has the advantage of convenience in operation.

2. In the application process, a workpiece to be polished is placed on a turntable and is positioned between two vertical clamping plates, and the two vertical clamping plates are clamped and fixed on the workpiece to be polished by controlling the two electric telescopic rods to shrink simultaneously; thus, the clamping device has the advantages of convenient clamping operation and stable clamping. In addition, through with electric telescopic handle along horizontal direction symmetry installation in two mounting grooves, install rotating electrical machines in the installation intracavity, on the one hand have structural design compactness, occupation space is little advantage, on the other hand can avoid electric telescopic handle and rotating electrical machines to treat the work piece of polishing and cause the harm in the course of the work.

3. The first adjusting mechanism comprises a plurality of vertical connecting columns, a circular fixing plate, a gear ring, a plurality of driven gears, a plurality of swinging frames, a driving gear and a driving motor; when the grinding wheel is regulated, the driving motor is started, the output shaft of the driving motor drives the driving gear to rotate, the driving gear drives the gear ring to rotate through the bearing, meanwhile, the gear ring drives the driven gears to rotate, the driven gears drive the swinging frames on the surface to rotate, each swinging frame drives the grinding wheel to move to contact with the outer wall of the workpiece to be ground, and then the driving motor is closed to finish regulation. Therefore, the abutting operation of the grinding wheel and the workpiece to be ground is automatic, and the working efficiency is greatly improved. In addition, the vertical connecting column of this embodiment plays the effect of connection on the one hand, and on the other hand can restrict the ring gear and take place the displacement in the course of the work, and then has improved the stability of equipment.

4. The second adjusting mechanism comprises a connecting rod, a plurality of supporting rods, a guide frame, a plurality of driving screws, a plurality of sliding blocks and an internal driving assembly; when needing to adjust the arc plate of polishing, through switch start accommodate motor, accommodate motor obtains output shaft drive first bevel gear and rotates, and first bevel gear can drive a plurality of second bevel gears rather than the meshing simultaneously and rotate, and then a plurality of second bevel gears drive the drive screw rotation on surface respectively, make drive screw pass through the inside wall motion of screw drive slider along the leading truck, and the slider drives the arc plate of polishing and moves to the inside wall contact with hollow cylinder simultaneously, later closes accommodate motor, accomplishes the regulation. Therefore, the abutting operation of the polishing arc plate and the workpiece to be polished is automated, and the working efficiency is greatly improved. In addition, the embodiment drives a plurality of polishing arc plates to move simultaneously through one adjusting motor, and has the advantages of low production and operation cost and small occupied space.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the lift plate of the present invention;

FIG. 3 is a schematic view of the outer wall grinding assembly of the present invention;

FIG. 4 is a schematic view of the mounting structure of the grinding wheel of the present invention;

FIG. 5 is a schematic view of the construction of the inner wall grinding assembly of the present invention;

FIG. 6 is a structural cross-sectional view of the guide frame of the present invention;

FIG. 7 is a schematic view of the mounting structure of the sanding arc plate of the present invention;

fig. 8 is a schematic structural view of a rotary clamping assembly according to the present invention.

In the drawing the view of the figure,

10. A frame; 11. a base; 111. a mounting cavity; 12. a vertical mounting plate;

20. A rotary clamping assembly; 21. a turntable; 211. a mounting groove; 22. a rotary driving mechanism; 23. a clamping mechanism; 231. an electric telescopic rod; 232. a vertical clamping plate;

30. A lifting assembly; 31. a lifting plate; 32. a lifting driving mechanism; 321. a variable speed motor; 322. a slide rail; 323. adjusting a screw rod;

40. An outer wall polishing assembly; 41. grinding wheel; 42. a first adjustment mechanism; 421. a vertical connecting column; 422. a circular ring-shaped fixing plate; 4221. a protruding portion; 423. a gear ring; 424. a driven gear; 425. a swing frame; 4251. an arc-shaped groove; 4252. a clamping groove; 426. a drive gear; 427. a driving motor; 428. a fixed rod; 4281. a boss; 429. a semi-ring sleeve;

50. An inner wall polishing assembly; 51. polishing the arc plate; 511. a bump; 5111. a clamping groove; 52. a second adjustment mechanism; 521. a connecting rod; 522. a support rod; 523. a guide frame; 524. driving a screw; 525. a slide block; 5251. a groove block; 5252. an elastic plate; 5253. a clamping part; 561. adjusting a motor; 562. a first bevel gear; 563. a second bevel gear;

60. and (5) polishing the workpiece.

Detailed Description

The present application will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.

In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or may be connected through an intermediary, or may be connected between two elements or may be an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 8, an embodiment of the present invention provides a polishing apparatus for machining parts, including a frame 10; the frame 10 comprises a base 11, a vertical mounting plate 12 fixedly mounted on the base 11, a rotary clamping assembly 20, a lifting assembly 30, an outer wall polishing assembly 40 and an inner wall polishing assembly 50;

specifically, the rotary clamping assembly 20 comprises a turntable 21, a rotary driving mechanism 22 and a clamping mechanism 23, wherein the turntable 21 is rotatably installed on the upper surface of the base 11, the clamping mechanism 23 is fixedly installed on the turntable 21, the clamping mechanism 23 is used for clamping a workpiece 60 to be polished, the rotary driving mechanism 22 is installed on the base 11, the rotary driving mechanism 22 is used for driving the turntable 21 to rotate, and the turntable 21 drives the workpiece 60 to be polished to rotate around the Z axis;

Specifically, the lifting assembly 30 includes a lifting drive mechanism 32 and a lifting plate 31; the lifting drive mechanism 32 is mounted on the vertical mounting plate 12, and the lifting plate 31 is slidably mounted on the vertical mounting plate 12; the lifting driving mechanism 32 is used for driving the lifting plate 31 to move up and down along the vertical direction;

specifically, the outer wall grinding assembly 40 includes a number of grinding wheels 41 and a first adjustment mechanism 42; the first adjusting mechanism 42 is installed on the bottom surface of the lifting plate 31, the plurality of polishing wheels 41 are connected with the first adjusting mechanism 42, and the first adjusting mechanism 42 is used for driving the plurality of polishing wheels 41 to respectively contact with or separate from the outer wall of the workpiece to be polished;

Specifically, the inner wall grinding assembly 50 includes a plurality of grinding arc plates 51 and a second adjustment mechanism 52; the second adjusting mechanism 52 is installed in the middle of the bottom surface of the lifting plate 31, the plurality of polishing arc plates 51 are respectively connected with the second adjusting mechanism 52, and the second adjusting mechanism 52 is used for driving the plurality of polishing arc plates 51 to contact with or separate from the inner wall of the workpiece to be polished.

On the basis of the above structure, according to the polishing apparatus for machining parts of the embodiment of the present invention, when the inner and outer walls of workpieces (hollow cylinders) to be polished of different sizes need to be polished in the practical application process, the workpieces to be polished are firstly placed on the surface of the turntable 21, the workpieces to be polished are clamped by the clamping mechanism 23, then the lifting driving mechanism 32 is controlled to drive the lifting plate 31 to move downwards along the vertical direction, so that the lifting plate 31 drives the outer wall polishing assembly 40 and the inner wall polishing assembly 50 to move downwards together, when the outer wall polishing assembly 40 moves to the outside of the top end of the hollow cylinder, and the inner wall polishing assembly 50 moves to the inside of the top end of the hollow cylinder, the plurality of polishing wheels 41 are driven to contact with the outer wall of the workpieces to be polished respectively by the first adjusting mechanism 42, the plurality of polishing arc plates 51 are driven to contact with the inner wall of the workpieces to be polished by the second adjusting mechanism 52, and then the lifting driving mechanism 32 is stopped; the rotary driving mechanism 22 drives the rotary table 21 to rotate, the rotary table 21 drives the workpiece to be polished to rotate around the Z axis, so that the workpiece to be polished can rotate along the surfaces of the polishing arc plate 51 and the polishing wheel 41, the polishing arc plate 51 and the polishing wheel 41 respectively polish the outer surface and the inner side wall of the workpiece to be polished, and then the lifting plate 31 is driven by the lifting driving mechanism 32 to continuously move downwards, so that the lifting plate 31 drives the outer wall polishing assembly 40 and the inner wall polishing assembly 50 to move downwards together, and the workpiece to be polished is lowered while polished; when the workpiece to be polished is moved to a preset position below the workpiece to be polished, the lifting plate 31 is driven to move upwards through the lifting driving mechanism 32, the lifting plate 31 drives the outer wall polishing assembly 40 and the inner wall polishing assembly 50 to move upwards together, the workpiece to be polished is lifted and polished simultaneously, after one polishing stroke is completed after the workpiece to be polished is moved to the preset position below the workpiece to be polished, the rotation driving mechanism 22 is stopped, the lifting mechanism is stopped, then the first adjusting mechanism 42 is used for driving the plurality of polishing wheels 41 to be separated from the outer wall of the workpiece to be polished respectively, the second adjusting mechanism 52 is used for driving the plurality of polishing arc plates 51 to be separated from the inner wall of the workpiece to be polished, the workpiece to be polished is taken out and turned over 180 degrees and then placed on the surface of the turntable 21, and repeated polishing is repeated once again, so that the clamping part can be polished. In summary, the invention can polish the inner wall and the outer wall of the workpiece to be polished simultaneously, can meet the polishing requirements of hollow cylindrical parts with different sizes, and solves the problems that the conventional hollow cylindrical part polishing equipment generally only polishes hollow cylindrical parts with single specification, is difficult to meet the polishing requirements of hollow cylindrical parts with different specifications and has smaller application range; on the other hand, the rotary table 21 is driven to rotate by the rotary driving mechanism 22, the lifting plate 31 is driven by the lifting driving mechanism 32 to drive the outer wall polishing assembly 40 and the inner wall polishing assembly 50 to move upwards or downwards together so as to finish polishing, and the equipment cannot shake greatly in the polishing process, so that the stability is good; in addition, the rotary driving mechanism 22 is independently controlled, and the lifting driving mechanism 32 is not required to drive, so that the energy loss in the working process is greatly reduced, the structure is simplified, the installation and the maintenance are easy, and the stability of structural adjustment can be ensured; by providing the first and second adjustment mechanisms 42, 52, the pre-grinding adjustment operation can be quickly completed, and the device has the advantage of convenient operation.

In the preferred embodiment of the present invention, a mounting cavity 111 is formed inside the base 11, and the rotary driving mechanism 22 includes a rotary motor mounted in the mounting cavity 111, an output shaft of the rotary motor extending upward through the top surface of the base 11; the turntable 21 comprises a turntable body, the turntable body is fixedly arranged on the extending end of the output shaft of the rotating motor, and two mounting grooves 211 are symmetrically formed in the turntable body; the clamping mechanism 23 comprises two electric telescopic rods 231, the two electric telescopic rods 231 are symmetrically arranged in the two mounting grooves 211 along the horizontal direction, and a vertical clamping plate 232 is fixedly arranged on an output shaft of each electric telescopic rod 231.

On the basis of the structure, in the application process, a workpiece to be polished is placed on the turntable and positioned between the two vertical clamping plates 232, and the two vertical clamping plates 232 are clamped and fixed by controlling the two electric telescopic rods 231 to shrink simultaneously; thus, the clamping device has the advantages of convenient clamping operation and stable clamping. In addition, through installing electric telescopic link 231 along horizontal direction symmetry in two mounting grooves 211, install the rotating electrical machines in installation cavity 111, on the one hand have structural design compactness, occupation space is little advantage, on the other hand can avoid electric telescopic link 231 and rotating electrical machines to wait to polish the work piece and cause the harm in the course of the work.

In the preferred embodiment of the present invention, the first adjustment mechanism 42 includes a plurality of vertical connecting posts 421, a circular ring shaped fixed plate 422, a gear ring 423, a plurality of driven gears 424, a plurality of swing frames 425, a driving gear 426, and a driving motor 427; the number of driven gears 424, swing frames 425 and grinding wheels 41 are the same and correspond to each other;

The outer side wall of the circular fixing plate 422 is provided with a plurality of protruding parts 4221, and the protruding parts 4221 are arranged in an annular array around the central axis of the circular fixing plate 422;

the lower ends of the plurality of vertical connecting columns 421 are respectively and correspondingly fixedly arranged on the plurality of protruding parts 4221, and the upper ends of the plurality of vertical connecting columns 421 are respectively and fixedly arranged on the bottom surface of the lifting plate 31;

The gear ring 423 is rotatably installed on the top surface of the circular ring-shaped fixing plate 422 through a bearing;

The plurality of driven gears 424 are arranged in an annular array around the central axis of the annular fixed plate 422, each driven gear 424 is fixedly mounted on the annular fixed plate 422 through a connecting shaft, and the plurality of driven gears 424 are respectively meshed with the gear ring 423;

One end of the swing frame 425 is fixedly connected to the driven gear 424, and the other end of the swing frame is fixedly provided with a polishing wheel 41;

The driving motor 427 is fixedly arranged at one end of the annular fixed plate 422 through a connecting frame, the driving gear 426 is fixedly connected to the output shaft of the driving motor 427, and the driving gear 426 is meshed with the internal teeth of the gear ring 423.

On the basis of the structure, when the grinding wheel 41 is regulated, the driving motor 427 is started, the driving gear 426 is driven to rotate by the output shaft of the driving motor 427, the gear ring 423 is driven to rotate by the driving gear 426 through the bearing, meanwhile, the gear ring 423 drives the driven gears 424 to rotate, the driven gears 424 drive the swing frames 425 on the surface to rotate, each swing frame 425 drives the grinding wheel 41 to move to contact with the outer wall of a workpiece to be ground, and then the driving motor 427 is closed to finish regulation. In this way, the abutting operation of the grinding wheel 41 and the workpiece to be ground is automated, and the working efficiency is greatly improved. In addition, the vertical connecting column 421 of the embodiment plays a role in connection on one hand, and on the other hand, the gear ring 423 can be limited to displace in the working process, so that the stability of the device is improved.

In the preferred embodiment of the present invention, the upper and lower ends of the grinding wheel 41 are fixedly provided with a fixing rod 428, one end of the swinging frame 425 is provided with an arc-shaped groove 4251, one end of the fixing rod 428 is movably fitted in the arc-shaped groove 4251, the other end of the fixing rod 428 is tightly sleeved with a half-ring sleeve 429, and both sides of the half-ring sleeve 429 are in threaded connection with the swinging frame 425 through fixing screws.

On the basis of the structure, when the grinding wheel 41 is required to be disassembled and replaced, the fixing screw is screwed, so that the fixing screw is separated from the threaded hole on the surface of the swinging frame 425, then the half ring sleeve 429 is taken down from the surface of the fixing rod 428, the limit on the fixing rod 428 is released, the grinding wheel 41 is taken down, the fixing rod 428 is driven to be separated from the arc-shaped groove 4251, then the new grinding wheel 41 is replaced, the half ring sleeve 429 is sleeved on the surface of the fixing rod 428, the fixing screw penetrates through the half ring sleeve 429 to be in threaded connection with the threaded hole, and then the fixing screw is screwed and fastened, so that the half ring sleeve 429 is tightly attached to the surface of the fixing rod 428, the purpose of replacing the grinding wheel 41 is achieved, and the grinding wheel has the advantages of good connection stability and convenience in operation.

In a preferred embodiment of the present invention, a protruding portion 4281 is fixedly disposed at one end of the fixing rod 428, the protruding portion 4281 is configured as a trapezoid, and a clamping groove 4252 capable of adapting to the protruding portion 4281 is formed in the inner side wall of the arc-shaped groove 4251. So, peg graft dead lever 428 in arc wall 4251 inside, dead lever 428 can drive bellying 4281 peg graft in draw-in groove 4252 for dead lever 428 can be spacing in arc wall 4251, avoids polishing wheel 41 to skid when polishing and rotate.

In the preferred embodiment of the present invention, the second adjustment mechanism 52 includes a connecting rod 521, a plurality of support rods 522, a guide frame 523, a plurality of drive screws 524, a plurality of sliders 525 and an internal drive assembly; the number of the driving screws 524, the sliding blocks 525 and the polishing arc plates 51 are the same and correspond to each other one by one;

the upper end part of the connecting rod 521 is fixedly arranged in the middle of the bottom surface of the lifting plate 31;

The guide frame 523 is fixedly provided at the lower end of the connection rod 521 by a plurality of support rods 522;

The driving screw rods 524 are arranged in the guide frame 523 through bearing seats, the driving screw rods 524 are arranged around the central axis array of the guide frame 523, the sliding blocks 525 are in threaded connection with the surfaces of the driving screw rods 524 in a one-to-one correspondence manner, the sliding blocks 525 are movably connected with the inner side walls of the guide frame 523, and the polishing arc plates 51 are arranged at one ends of the sliding blocks 525 in a one-to-one correspondence manner;

The internal driving assembly is installed in the guide frame 523, and is used for driving the plurality of driving screws 524 to rotate respectively, and the driving screws 524 drive the sliding blocks 525 to move so as to drive the polishing arc plate 51 to be contacted with or separated from the inner wall of the workpiece to be polished.

Preferably, the internal driving assembly comprises an adjusting motor 561, a first bevel gear 562 and a second bevel gear 563, wherein the adjusting motor 561 is mounted on the surface of the guide frame 523 through a flange plate, the first bevel gear 562 and the second bevel gear 563 are both arranged inside the guide frame 523, an output shaft of the adjusting motor 561 penetrates through the guide frame 523 to be fixedly connected with the first bevel gear 562, the second bevel gear 563 is fixedly connected with one end of the driving screw 524, the second bevel gear 563 is matched with the driving screw 524 in number, and each second bevel gear 563 is meshed with the first bevel gear 562.

On the basis of the above structure, when the polishing arc plate 51 needs to be adjusted, the adjusting motor 561 is started through the switch, the output shaft of the adjusting motor 561 drives the first bevel gear 562 to rotate, meanwhile, the first bevel gear 562 drives the plurality of second bevel gears 563 meshed with the first bevel gear 562 to rotate, and then the plurality of second bevel gears 563 drive the driving screw 524 on the surface to rotate respectively, so that the driving screw 524 drives the sliding block 525 to move along the inner side wall of the guide frame 523 through threads, meanwhile, the sliding block 525 drives the polishing arc plate 51 to move to contact with the inner side wall of the hollow cylinder, and then the adjusting motor 561 is closed to finish adjustment. Thus, the abutting operation of the polishing arc plate 51 and the workpiece to be polished is automated, and the working efficiency is greatly improved. In addition, the present embodiment drives the plurality of polishing arc plates 51 to move simultaneously by one adjusting motor 561, which has the advantages of low production and operation costs and small occupied space.

In the preferred embodiment of the present invention, a groove block 5251 is fixedly disposed at one end of the slider 525, a bump 511 is fixedly disposed on the surface of the polishing arc plate 51, the bump 511 is configured as a convex shape, and the bump 511 is adapted to be inserted into the groove block 5251. The inside wall of recess piece 5251 is provided with elastic plate 5252 through the standing groove, and elastic plate 5252's bottom and standing groove fixed connection, elastic plate 5252's top is fixed to be provided with joint portion 5253, and joint portion 5253 sets up to the arc, and the joint groove 5111 that can with joint portion 5253 joint has been seted up to the side of lug 511.

In this embodiment, when the arc polishing plate 51 is replaced, the arc polishing plate 51 is pulled upwards, so that the arc polishing plate 51 drives the bump 511 to move, meanwhile, the bump 511 extrudes the cambered surface of the clamping portion 5253 through the fixing groove, the clamping portion 5253 extrudes the elastic plate 5252 to elastically deform, then the clamping portion 5253 is separated from the fixing groove, the bump 511 moves to the inner side wall of the groove block 5251, then the elastic plate 5252 drives the clamping portion 5253 to elastically reset, the arc polishing plate 51 is dismounted, then the replaced arc polishing plate 51 drives the bump 511 to be inserted into the groove block 5251, the cambered surface of the extrusion clamping portion 5253 of the bump 511 drives the elastic plate 5252 to deform until the bump 511 is completely inserted, meanwhile, the clamping portion 5253 is located at the opening of the fixing groove, the elastic plate 5252 drives the clamping portion 5253 to elastically reset, and the clamping portion 5253 is inserted into the fixing groove, so that the bump 511 can be limited, and the arc polishing plate 51 can be better fixed.

In the preferred embodiment of the present invention, the lifting drive mechanism 32 comprises a variable speed motor 321, a sliding rail 322, and an adjusting screw 323; the sliding rail 322 is fixedly arranged on the surface of the vertical mounting plate 12, the variable speed motor 321 is arranged at the top of the sliding rail 322, the lower end part of the adjusting screw 323 is connected with the surface of the vertical mounting plate through a bearing, and the upper end part of the adjusting screw 323 is fixedly connected with the output shaft of the variable speed motor 321; the lifting plate 31 is slidably connected with the surface of the sliding rail 322, and the lifting plate 31 is in threaded sleeve connection with the surface of the adjusting screw 323.

In this embodiment, the variable speed motor 321 is started by the switch, the output shaft of the variable speed motor 321 drives the adjusting screw 323 to rotate, the adjusting screw 323 drives the lifting plate 31 to move downwards along the surface of the sliding rail 322 through threads, so that the lifting plate 31 drives the polishing arc plate 51 to move through the connecting rod 521, the polishing arc plate 51 moves along the inner side wall of the hollow cylinder, and meanwhile, the lifting plate 31 drives the polishing wheel 41 to move through the annular fixed plate 422 and the first adjusting mechanism 42, so that the polishing wheel 41 moves along the outer surface of the hollow cylinder, and the lifting plate 31 can be conveniently driven to move.

The working principle of the invention is as follows:

During operation, when the inside and outside of the hollow cylinder with different sizes need to be polished, firstly, one end of the hollow cylinder is attached to the surface of the turntable, then the electric telescopic rod 231 is started through the switch, the telescopic shaft of the electric telescopic rod 231 drives the vertical clamping plate 232 to move, the vertical clamping plate 232 can clamp and fix the hollow cylinder, then the electric telescopic rod is started through the switch control variable speed motor 321, the output shaft of the variable speed motor 321 drives the adjusting screw 323 to rotate, the adjusting screw 323 drives the lifting plate 31 to move downwards along the surface of the sliding rail 322 through threads, the lifting plate 31 drives the connecting rod 521 and the annular fixing plate 422 at the bottom of the lifting plate 31 to move, the connecting rod 521 drives the inner wall polishing assembly 50 to be inserted into the inner top end of the hollow cylinder, and the annular fixing plate 422 drives the outer wall polishing assembly 40 to the outer top end of the hollow cylinder.

As shown in fig. 3, when the grinding wheel 41 is adjusted, the driving motor 427 is started, the driving motor 427 drives the driving gear 426 to rotate by the output shaft of the driving motor 427, the driving gear 426 drives the gear ring 423 to rotate through the bearing, meanwhile, the gear ring 423 drives the driven gears 424 to rotate, the driven gears 424 drive the swinging frames 425 on the surface to rotate, each swinging frame 425 drives the grinding wheel 41 to move to contact with the surface of the hollow cylinder, and then the driving motor 427 is closed, so that the adjustment is completed.

As shown in fig. 6, when the polishing arc plate 51 is adjusted, the adjusting motor 561 is started by the switch, the output shaft of the adjusting motor 561 drives the first bevel gear 562 to rotate, meanwhile, the first bevel gear 562 drives the plurality of second bevel gears 563 meshed with the first bevel gear 562 to rotate, and then the plurality of second bevel gears 563 drive the driving screw 524 on the surface to rotate respectively, so that the driving screw 524 drives the sliding block 525 to move along the inner side wall of the guide frame 523 by threads, and meanwhile, the sliding block 525 drives the polishing arc plate 51 to move to contact with the inner side wall of the hollow cylinder, and then the adjusting motor 561 is closed to finish the adjustment.

After the polishing arc plate 51 and the polishing wheel 41 are in contact with the hollow cylinder, a rotating motor is started through a switch, an output shaft of the rotating motor drives a turntable to rotate, the turntable drives the hollow cylinder to rotate through a vertical clamping plate 232, so that the hollow cylinder can rotate along the surfaces of the polishing arc plate 51 and the polishing wheel 41, the polishing arc plate 51 and the polishing wheel 41 respectively polish the outer surface and the inner side wall of the hollow cylinder, a variable speed motor 321 is started through the switch, an output shaft of the variable speed motor 321 drives an adjusting screw 323 to rotate, the adjusting screw 323 drives a lifting plate 31 to continuously move downwards along the surface of a sliding rail 322 through threads, the lifting plate 31 drives the polishing arc plate 51 to move along the inner side wall of the hollow cylinder through a connecting rod 521 and a second adjusting mechanism 52, the lifting plate 31 drives the polishing wheel 41 to move along the outer surface of the hollow cylinder through a circular fixing plate 422 and a first adjusting mechanism 42, and the polishing wheel 41 moves along the outer surface of the hollow cylinder.

Although only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art without departing substantially from the scope and spirit of the application as defined in the appended claims, for example: variations in the size, dimensions, structure, shape and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.

The foregoing embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the embodiments of the present invention, so that any insubstantial changes and substitutions made by those skilled in the art on the basis of the embodiments of the present invention fall within the scope of the embodiments of the present invention.

Claims

1. A polishing device for processing parts comprises a frame; the frame includes base and the vertical mounting panel of fixed mounting on the base, its characterized in that still includes:

The rotary clamping assembly comprises a turntable, a rotary driving mechanism and a clamping mechanism, wherein the turntable is rotatably arranged on the upper surface of the base, the clamping mechanism is fixedly arranged on the turntable and is used for clamping a workpiece to be polished, the rotary driving mechanism is arranged on the base and is used for driving the turntable and the workpiece to be polished to rotate around a Z axis;

2. The polishing apparatus for machining parts according to claim 1, wherein a mounting chamber is formed inside the base, the rotary drive mechanism includes a rotary motor mounted in the mounting chamber, and an output shaft of the rotary motor protrudes upward through a top surface of the base; the rotary table comprises a rotary table body, the rotary table body is fixedly arranged on the extending end of the output shaft of the rotary motor, and two mounting grooves are symmetrically formed in the rotary table body; the clamping mechanism comprises two electric telescopic rods, the two electric telescopic rods are symmetrically arranged in the two mounting grooves along the horizontal direction, and each output shaft of the electric telescopic rod is fixedly provided with a vertical clamping plate.

3. The polishing apparatus for machining parts according to claim 1, wherein the first adjusting mechanism comprises a plurality of vertical connecting columns, a circular ring-shaped fixing plate, a ring gear, a plurality of driven gears, a plurality of swing frames, a driving gear, and a driving motor; the driven gears, the swinging frames and the grinding wheels are the same in number and correspond to each other one by one;

4. The polishing apparatus for machining parts according to claim 3, wherein fixing rods are fixedly arranged at the upper end and the lower end of the polishing wheel, an arc-shaped groove is formed in one end of the swinging frame, one end of each fixing rod is movably matched in the arc-shaped groove, a half ring sleeve is tightly sleeved at the other end of each fixing rod, and two sides of each half ring sleeve are in threaded connection with the swinging frame through fixing screws.

5. The polishing apparatus for machining parts according to claim 4, wherein the fixing rod is provided with a projection at one end thereof, the projection is formed in a trapezoid shape, and a groove adapted to the projection is formed in an inner wall of the arc-shaped groove.

6. The polishing apparatus for machining parts according to claim 1, wherein the second adjusting mechanism comprises a connecting rod, a plurality of support rods, a guide frame, a plurality of drive screws, a plurality of sliders, and an internal drive assembly; the driving screw rods, the sliding blocks and the polishing arc plates are the same in number and correspond to each other one by one;

7. The polishing apparatus for machining parts according to claim 6, wherein the internal driving assembly comprises an adjusting motor, a first bevel gear and a second bevel gear, the adjusting motor is mounted on the surface of the guide frame through a flange plate, the first bevel gear and the second bevel gear are both arranged inside the guide frame, an output shaft of the adjusting motor penetrates through the guide frame and is fixedly connected with the first bevel gear, the second bevel gear is fixedly connected with one end of the driving screw, the second bevel gear is matched with the number of the driving screw, and each second bevel gear is meshed with the first bevel gear.

8. The polishing apparatus for machining parts according to claim 7, wherein a groove block is fixedly provided at one end of the slider, a projection is fixedly provided on a surface of the polishing arc plate, the projection is provided in a convex shape, and the projection is adapted to be inserted into the groove block.

9. The polishing apparatus for machining parts according to claim 8, wherein the inner side wall of the groove block is provided with an elastic plate through a placement groove, the bottom end of the elastic plate is fixedly connected with the placement groove, the top end of the elastic plate is fixedly provided with a clamping portion, the clamping portion is arc-shaped, and the side surface of the projection is provided with a clamping groove which can be clamped with the clamping portion.

10. The polishing apparatus for machining parts according to claim 1, wherein the lifting drive mechanism comprises a variable speed motor, a slide rail, an adjusting screw; the sliding rail is fixedly arranged on the surface of the vertical mounting plate, the variable speed motor is arranged at the top of the sliding rail, the lower end part of the adjusting screw rod is connected to the surface of the vertical mounting plate through a bearing, and the upper end part of the adjusting screw rod is fixedly connected with the output shaft of the variable speed motor; the lifting plate is connected with the surface of the sliding rail in a sliding way, and the lifting plate is sleeved on the surface of the adjusting screw rod in a threaded way.