CN222404872U - Polishing device for large-size parts - Google Patents

Abstract

The utility model relates to the technical field of surface polishing, and provides a polishing device for large-size parts, which comprises a turntable, a ring polishing spacer ring and a fixing tool, wherein the ring polishing spacer ring is arranged on the turntable; the fixing tool comprises a plurality of distribution plates and locking assemblies, wherein the distribution plates are arranged on two opposite sides of the part, the distribution plates are attached to the polishing surface, and the locking assemblies are sleeved outside the distribution plates so that the distribution plates clamp the part. According to the polishing device for the large-size part, the plurality of distribution plates and the locking assemblies are arranged, the distribution plates are fixed on the two sides of the part, the contact area between the part and the turntable is increased, the stability of the part during polishing is improved, the warping degree of the part during collision with the annular polishing spacer is reduced, and the surface shape and the smoothness of the part are ensured.

Description

Polishing device for large-size parts

Technical Field

The utility model relates to the technical field of surface polishing, in particular to a polishing device for large-size parts.

Background

The optical polishing technology is a high-precision surface machining technology and is mainly applied to the fields of optical elements, semiconductor materials, precision mechanical parts and the like. The main function is to make the surface reach the requirements of high precision and high finish through the interaction of mechanical grinding and chemical reaction.

At present, a mechanical arm is generally used for processing the end face of a part, processing equipment is expensive, surface shape finishing can be only carried out, and parallelism and perpendicularity between the surfaces of the part cannot be adjusted. When the high-precision large-size part is polished in a single piece, the part collides with the ring polishing spacer ring when polished in the ring polishing spacer ring because the length and thickness ratio of the part is large, so that the part is slightly tilted in microcosmic, and after multiple impacts, the part can have irregular surface shape, such as saddle-shaped surface shape and finish problems.

Disclosure of utility model

The utility model provides a polishing device for large-size parts, which is used for solving the defect that the large-size parts are easy to shake in the polishing process so that the parts and a ring polishing spacer are impacted in the prior art.

The utility model provides a polishing device for large-size parts, which comprises a rotary table, a ring polishing space ring and a fixing tool, wherein the ring polishing space ring is arranged on the rotary table, the fixing tool is arranged in the ring polishing space ring and is used for fixing the parts to be polished, the rotary table is provided with a polishing surface, the polishing surface is attached to the surfaces to be processed of the parts, the fixing tool comprises a plurality of distribution plates and locking assemblies, the distribution plates are arranged on two opposite sides of the parts and are attached to the polishing surfaces, and the locking assemblies are sleeved outside the distribution plates so that the distribution plates clamp the parts.

According to the polishing device for large-size parts provided by the utility model, the length of each matched disc is larger than that of the part attached to the matched disc.

According to the polishing device for large-size parts, the locking assembly comprises a plurality of fixing pieces and a plurality of first connecting pieces, the fixing pieces are sequentially connected end to end through the first connecting pieces to form a frame, the frame is sleeved outside the distribution plate, and two ends of at least one fixing piece are connected with other fixing pieces in an adjustable mode.

The polishing device for the large-size parts comprises a pair of first fixing pieces and a pair of second fixing pieces, wherein the first fixing pieces are arranged in parallel, the second fixing pieces are perpendicular to the first fixing pieces, and two ends of each first fixing piece are respectively connected with two ends of the second fixing piece in an adjustable mode.

According to the polishing device for the large-size part, the first holes are respectively formed in the two ends of the first fixing piece, the second holes are respectively formed in the two ends of the second fixing piece, the first connecting piece penetrates through the first holes and the second holes to connect the first fixing piece with the second fixing piece, the first holes are strip-shaped holes, and the diameter of the first connecting piece is smaller than the length of the first holes.

The second fixing piece comprises a first fixing portion and a pair of second fixing portions, wherein the second fixing portions are respectively arranged at two ends of the first fixing portion and are vertically connected with the first fixing portion, and each second fixing portion is provided with a second hole.

According to the polishing device for the large-size part, the fixing tool further comprises a pair of buffer assemblies, the pair of buffer assemblies are oppositely arranged, one end of each buffer assembly is connected with the locking assembly, and the other end of each buffer assembly is used for flexibly abutting against the part.

The polishing device for the large-size part comprises a second connecting piece, an adjusting piece and a buffer piece, wherein two ends of the second connecting piece are respectively connected with the locking assembly and the adjusting piece, the adjusting piece is connected with the buffer piece, the buffer piece is provided with a flexible surface, the flexible surface is used for being abutted against the part, and the adjusting piece is used for adjusting the distance between the second connecting piece and the buffer piece.

According to the polishing device for the large-size part, the adjusting piece is in threaded connection with the second connecting piece.

According to the polishing device for the large-size parts, provided by the utility model, the fixing tool further comprises the balancing weights, and the balancing weights are arranged on one distribution plate.

According to the polishing device for the large-size part, the plurality of distribution plates and the locking assemblies are arranged, the distribution plates are fixed on two sides of the part, so that the contact area between the part and the turntable is increased, the stability of the part during polishing is improved, the warping degree of the part during collision with the ring polishing space ring is reduced, and the surface shape and the smoothness of the part are ensured.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a large-sized part;

FIG. 2 is a schematic view of a polishing apparatus for large-sized parts according to the present utility model;

FIG. 3 is a schematic structural view of the fixture shown in FIG. 2;

FIG. 4 is a top view of FIG. 3;

Reference numerals:

1, a turntable, 2, a ring-polished space ring, 3, a fixed tool;

31, a matched disc, 32, a locking component and 33, a buffer component;

100 parts, 321 parts, 322 parts, 323 parts, 331 parts, 332 parts, 333 parts, and 333 parts, namely a buffer sheet;

3211 a first aperture 3221 a second aperture 3222 a first securing portion and 3223 a second securing portion.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The polishing apparatus for large-sized parts of the present utility model is described below with reference to fig. 1 to 4.

As shown in fig. 2, in the embodiment of the present utility model, the polishing apparatus for large-sized parts comprises a turntable 1, a ring-polishing spacer 2, and a fixing tool 3. The ring polishing space ring 2 is arranged on the turntable 1, the fixing tool 3 is arranged in the ring polishing space ring 2, and the fixing tool 3 is used for fixing the part 100 to be polished. The turntable 1 has a polished surface that is in contact with the surface of the part 100 to be processed. The fixing tool 3 comprises a locking assembly 32 and a plurality of matched discs 31, wherein the matched discs 31 are arranged on two opposite sides of the part 100, and the locking assembly 32 is sleeved outside the matched discs 31 so that the matched discs 31 clamp the part 100.

Specifically, as shown in fig. 1, in the embodiment of the present utility model, the length and the width of the part 100 are equal, and in the present embodiment, the large-sized part refers to a part having a ratio of length to thickness greater than 7, and such a part 100 is slightly deformed due to a large difference between the length and the thickness, when polishing the plane opposite to the planes S2, S3, S2 and the plane opposite to S3 shown in fig. 1, the part 100 is not stably placed, and is easily shaken, so that the part 100 collides with the ring polishing spacer 2. Alternatively, in an embodiment of the present utility model, the dimensions of part 100 are 600mm by 80mm.

In the embodiment of the present utility model, the number of the mating trays 31 is one pair. The pair of matching discs 31 are respectively attached to the surfaces S1 and S1 opposite to each other of the parts 100, the bottom surfaces of the matching discs 31 are attached to the polishing surfaces, and the locking assembly 32 is sleeved outside the pair of matching discs 31, so that the pair of matching discs 31 clamp the parts 100, and the stability of the parts 100 after being placed is improved. The bottom surface of the part 100 is attached to the polishing surface of the turntable 1, and when the turntable 1 rotates, the bottom surface of the part 100 can be polished.

In this embodiment, in the rotation process of the turntable 1, the locking component 32 and the matching disc 31 clamp and fasten the part 100, the part 100 is not easy to shake, and the locking component 32 is arranged outside the part 100, so that even if the whole formed by the locking component 32, the matching disc 31 and the part 100 after being fixed moves in the ring-shaped polishing spacer 2, the locking component 32 collides with the ring-shaped polishing spacer 2, and the part 100 does not contact with the ring-shaped polishing spacer 2, thereby avoiding deformation of the part 100 after collision.

Further, the size of the locking component 32 may be set according to the inner diameter of the ring-polished spacer ring 2, and the size of the locking component 32 is designed to be not different from the inner diameter of the ring-polished spacer ring 2, so as to prevent the locking component 32 from moving greatly during the rotation of the turntable 1, and reduce the collision force between the ring-polished spacer ring 2 and the locking component 32.

According to the polishing device for the large-size part, provided by the embodiment of the utility model, the plurality of matched discs and the locking assemblies are arranged, the matched discs are fixed on the two sides of the part, so that the contact area between the part and the turntable is increased, the stability of the part during polishing is improved, the warping degree of the part during collision with the ring polishing spacer is reduced, and the surface shape and the smoothness of the part are ensured.

Further, in an embodiment of the present utility model, the length of each of the mating trays 31 is greater than the width of the surface to which it is to be attached.

Specifically, as shown in fig. 2, the pair of mating plates 31 are respectively bonded to the surface S1 of the component 100 and the surface opposite to S1. In the present embodiment, the material of the matching disc 31 is the same as that of the component 100, so that the matching disc 31 can be directly attached to the component 100. When the material of the locking element 32 is the same as that of the part 100, the locking element 32 may also be bonded to the surface S2 of the part 100 and the surface opposite to S2.

In this embodiment, the locking component 32 is made of metal, the part 100 is an optical device, and when the locking component 32 is directly contacted with the surface of the part 100, the surface of the part 100 may be scratched by the locking component 32, so in this embodiment, the length of the mating disc 31 is greater than the length of the part 100, so that when the locking component 32 is sleeved outside the mating disc 31, a certain gap is formed between the locking component 32 and the part 100, so as to avoid the surface of the part 100 from being scratched. Alternatively, in an embodiment of the present utility model, the gap is 2mm.

As shown in fig. 3, in an embodiment of the present utility model, the locking assembly 32 includes a plurality of fixing members and a plurality of first coupling members 323. The plurality of fixing pieces are sequentially connected end to end through the first connecting piece 323 to form a frame, and the frame is sleeved outside the plurality of distribution plates 31, wherein two ends of at least one fixing piece are connected with other fixing pieces in an adjustable mode.

Specifically, in this embodiment, the number of fixing members is 4, alternatively, 3 fixing members are sequentially connected end to form a rectangular frame structure, the rectangular frame structure is sleeved outside the tray 31, and then the last fixing member is connected with the rectangular frame structure. In this embodiment, the adjustable connection means that the position of the attachment of the fixing member to the rectangular frame structure is adjustable to clamp the adapter plate 31 with the part 100 according to the actual size of the adapter plate 31.

Alternatively, the joints of the 4 fixing pieces can be connected in an adjustable connection mode.

Optionally, there are various ways of adjusting the connection, such as the shape of the connection hole is a bar hole, so as to adjust the position of the first connecting piece 323 in the bar hole according to the actual size of the fitting disc 31, so as to clamp the fitting disc 31 and the part 100, and for example, a plurality of holes may be provided on the fixing piece, so that the first connecting piece 323 is inserted into the corresponding hole according to the actual size of the fitting disc 31.

As shown in fig. 3, in the embodiment of the present utility model, the plurality of fixing members includes a pair of first fixing members 321 and a pair of second fixing members 322, the pair of first fixing members 321 are disposed in parallel, the pair of second fixing members 322 are disposed in parallel, the second fixing members 322 are perpendicular to the first fixing members 321, and both ends of each first fixing member 321 are adjustably connected to both ends of the second fixing member 322, respectively.

Specifically, in this embodiment, the first fixing members 321 are attached to the end surfaces of the same side of the pair of mating plates 31, the second fixing members 322 are attached to the surfaces of the mating plates 31, and the connection portions of each first fixing member 321 and each second fixing member 322 are connected in an adjustable manner, so that the distance between the pair of second fixing members 322 is adjusted according to the actual size of the mating plate 31, and the part 100 is clamped.

As shown in fig. 3, in the embodiment of the present utility model, the two ends of the first fixing member 321 are respectively provided with a first hole 3211, the two ends of the second fixing member 322 are respectively provided with a second hole 3221, and the first connecting member 323 is arranged in the first hole 3211 and the second hole 3221 in a penetrating manner so as to connect the first fixing member 321 and the second fixing member 322, wherein the first hole 3211 is a bar-shaped hole, and the diameter of the first connecting member 323 is smaller than the length of the first hole 3211, so that the first hole 3211 has an adjustable length, and the connection position between the second fixing member 322 and the first fixing member 321 can be adjusted according to the actual size of the distribution plate 31, so as to clamp the part 100.

Further, the second fixing member 322 includes a first fixing portion 3222 and a pair of second fixing portions 3223, the pair of second fixing portions 3223 are respectively provided at both ends of the first fixing portion 3222 and are vertically connected to the first fixing portion 3222, and each of the second fixing portions 3223 is provided with a second hole 3221. In the present embodiment, the second hole 3221 may be a circular hole or a bar-shaped hole.

As shown in fig. 3 and 4, in the embodiment of the present utility model, the fixing tool 3 further includes a pair of buffer assemblies 33, where the pair of buffer assemblies 33 are disposed opposite to each other, one end of each buffer assembly 33 is connected to the locking assembly 32, and the other end of each buffer assembly 33 is used for flexibly abutting against the surface of the part 100.

Specifically, in this embodiment, the distribution plate 31 is used for fixing the lower portion of the part 100, and the buffer assembly 33 is used for fixing the upper portion of the part 100, so that the part 100 cannot shake during polishing, and polishing accuracy is improved.

Further, each of the buffer assemblies 33 includes a second connection member 331, an adjusting member 332, and a buffer sheet 333, both ends of the second connection member 331 are respectively connected with the locking assembly 32 and the adjusting member 332, the adjusting member 332 is connected with the buffer sheet 333, and the buffer sheet 333 has a flexible surface for abutting against the part 100. The adjusting member 332 is used for adjusting the distance between the second connecting member 331 and the buffer 333, so that the buffer 333 can abut against the part 100.

Specifically, in the present embodiment, the buffer sheet 333 may be a flexible sheet or a rigid sheet, and when the buffer sheet 333 is a rigid sheet, a flexible object is provided on the surface that abuts against the part 100, so as to prevent the surface of the part 100 from being scratched.

Further, in the embodiment of the present utility model, the adjusting member 332 is screwed with the second connecting member 331 to adjust the interval between the second connecting member 331 and the part 100 by screwing in or screwing out, so that the buffer sheet 333 abuts against the part 100.

Further, the indicators for measuring the polishing quality of the part 100 mainly include surface shape, parallelism and verticality. After the part 100 is polished for a period of time, the surface shape is observed, and the fixing tool 3 can be disassembled for detecting the surface shape, parallelism and verticality. When the parallelism or the perpendicularity of the polishing surface is found to be poor, the machining position can be adjusted by adding the balancing weight.

In the embodiment of the present utility model, the fixing tool 3 further includes a balancing weight, and the balancing weight is disposed on a matching disc 31.

Specifically, assuming that the plane S4 opposite to S3 is polished, parallelism between S4 and S3 is checked after polishing for a while, and it is found that the distance between the right side of S4 and S3 is smaller than the distance between the left side of S4 and S3, a weight is placed on the right-side dish 31, and the part 100 is tilted leftward to polish the left side of S4.

According to the polishing device for the large-size part, provided by the embodiment of the utility model, through the arrangement of the fixing tool, the stability of the part during polishing is enhanced, meanwhile, the polishing position of the part can be adjusted by utilizing the balancing weight, the finish of the parallelism and the verticality of the part is realized, and the surface quality of the polished part is improved.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. The polishing device for the large-size part is characterized by comprising a rotary table, a ring polishing spacing ring and a fixing tool, wherein the ring polishing spacing ring is arranged on the rotary table, the fixing tool is arranged in the ring polishing spacing ring, the fixing tool is used for fixing the part to be polished, and the rotary table is provided with a polishing surface which is attached to the surface to be processed of the part;

The fixing tool comprises a plurality of distribution plates and locking assemblies, wherein the distribution plates are arranged on two opposite sides of a part, the distribution plates are attached to the polishing surface, and the locking assemblies are sleeved on the outer parts of the distribution plates so that the distribution plates clamp the part.

2. The polishing apparatus for large-sized parts according to claim 1, wherein the length of each of the mating plates is longer than the length of the part to which it is attached.

3. The polishing apparatus for large-sized parts according to claim 1, wherein the locking assembly comprises a plurality of fixing members and a plurality of first connecting members, the plurality of fixing members are sequentially connected end to end through the first connecting members to form a frame, the frame is sleeved on the outer portions of the plurality of distribution plates, and two ends of at least one fixing member are adjustably connected with adjacent fixing members.

4. The polishing apparatus for large-sized parts according to claim 3, wherein the plurality of fixing members includes a pair of first fixing members and a pair of second fixing members, the pair of first fixing members being disposed in parallel, the pair of second fixing members being disposed in parallel;

The second fixing pieces are perpendicular to the first fixing pieces, and two ends of each first fixing piece are respectively connected with two ends of the second fixing piece in an adjustable mode.

5. The polishing apparatus for large-sized parts according to claim 4, wherein both ends of the first fixing member are provided with first holes, both ends of the second fixing member are provided with second holes, respectively, and the first connecting member is inserted into the first holes and the second holes to connect the first fixing member with the second fixing member;

The first hole is a strip-shaped hole, and the diameter of the first connecting piece is smaller than the length of the first hole.

6. The polishing apparatus for large-sized parts according to claim 5, wherein the second fixing member comprises a first fixing portion and a pair of second fixing portions, the pair of second fixing portions being provided at both ends of the first fixing portion, respectively, and being perpendicularly connected to the first fixing portion, each of the second fixing portions being provided with the second hole.

7. The polishing apparatus for large-sized parts according to claim 1, wherein the fixture further comprises a pair of buffer members, the pair of buffer members are disposed opposite each other, one end of each buffer member is connected to the locking member, and the other end of each buffer member is adapted to be flexibly abutted against the part.

8. The polishing apparatus for large-sized parts according to claim 7, wherein the buffer assembly comprises a second connecting member, an adjusting member, and a buffer sheet, both ends of the second connecting member being connected to the locking assembly and the adjusting member, respectively;

The adjusting piece is connected with the buffer sheet, and the buffer sheet is provided with a flexible surface which is used for abutting against the part;

the adjusting piece is used for adjusting the distance between the second connecting piece and the buffer sheet.

9. The polishing apparatus for large-sized parts according to claim 8, wherein the regulating member is screw-coupled with the second coupling member.

10. The polishing apparatus for large-sized parts according to claim 1, wherein the fixture further comprises a weight block provided on one of the distribution plates.