CN216991241U

CN216991241U - Permanent magnetic electric spindle special for PCD composite sheet mirror polishing machine

Info

Publication number: CN216991241U
Application number: CN202220448742.0U
Authority: CN
Inventors: 魏志伟; 高树刚; 王辉
Original assignee: Anyang Fuwode Machinery Co ltd
Current assignee: Anyang Fuwode Machinery Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-19
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a permanent magnet electric spindle special for a PCD composite sheet mirror surface polishing machine, which relates to the technical field of permanent magnet electric spindles and comprises a spindle body and a shell, wherein the spindle body is rotatably arranged in the shell, the top and the bottom of the shell are respectively fixedly provided with a front bearing seat and a rear bearing seat, the bottom of the spindle body is fixedly provided with a cutter clamping head, and the cutter clamping head penetrates through the rear bearing seat and is positioned below the rear bearing seat; a mounting space is formed in the clamping tool bit, and a tool shank component is fixedly mounted in the mounting space; the tool handle head is fixed by matching the conical clamping head and the clamping ring, so that the stability of the tool handle head driving the tool in use is ensured; meanwhile, the conical clamping head and the clamping ring can be driven to have component force by the aid of the pressure spring, so that the tool holder head can be unlocked, and normal falling and replacement of the tool holder head can be guaranteed.

Description

Permanent magnetic electric spindle special for PCD composite sheet mirror polishing machine

Technical Field

The utility model relates to the technical field of permanent magnet electric spindles, in particular to a permanent magnet electric spindle special for a PCD compact mirror polishing machine.

Background

The key production equipment for producing the mirror surface of the composite sheet can be roughly divided into: grinding machine, polishing machine and film coating machine; wherein the polishing machine plays a crucial role in the quality of lens production;

the polishing machine comprises two parts: firstly, a main shaft driving the lens to polish is driven; secondly, a moving device for swinging the head; the two components play a decisive role in the influence of the polishing precision of the lens; the action of the spindle is relatively more important than that of the oscillating head, and the spindle performs polishing mainly by driving the tool.

The tool changing mechanism of the spindle has two functions, one is to rotate along with the motor so that the tool can process products, and the other is to realize the replacement of the tool. However, the existing spindle assembly structure is not accurate enough, which leads to the complex structure of the whole tool changing mechanism and influences the stability of the tool changing mechanism.

Therefore, it is necessary to invent a permanent magnetic spindle special for a PCD composite sheet mirror polishing machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a permanent magnet spindle special for a PCD composite sheet mirror polishing machine, and aims to solve the problems that the spindle assembly structure provided in the background technology is not accurate enough, so that the whole tool changing mechanism is complex in structure, and stability of the tool changing mechanism is affected.

In order to achieve the purpose, the utility model provides the following technical scheme: a permanent magnet electric spindle special for a PCD composite sheet mirror surface polishing machine comprises a spindle body and a shell, wherein the spindle body is rotatably arranged inside the shell, the top and the bottom of the shell are respectively and fixedly provided with a front bearing seat and a rear bearing seat, the bottom of the spindle body is fixedly provided with a cutter clamping head, and the cutter clamping head penetrates through the rear bearing seat and is positioned below the rear bearing seat;

the clamping tool comprises a clamping tool bit and a main shaft body, wherein a mounting space is formed in the clamping tool bit, a tool shank component is fixedly mounted in the mounting space, a pressure mechanism is formed between the clamping tool bit and the main shaft body, a clamping mechanism is mounted in the clamping tool bit, and the tool shank component is clamped and fixed by the clamping mechanism under the driving of the pressure mechanism.

Optionally, the pressure mechanism includes an upper seal seat hermetically installed between the main shaft body and the housing, a pressure space is formed between the upper seal seat and the rear bearing seat, and a blowing pipe communicated with the pressure space is fixedly installed on the rear bearing seat.

Optionally, the tool holder assembly comprises a tool holder head inserted into the installation space, a hanging column is fixedly installed at the top of the tool holder head, and a conical clamping head is fixedly installed at the top of the hanging column.

Optionally, a polygonal notch is formed in the top of the conical clamping head, a polygonal clamping column is inserted into the polygonal notch, and the top of the polygonal clamping column is fixedly connected with the inner top of the mounting space.

Optionally, the outer side of the clamping tool bit is provided with mounting grooves arranged along the circumferential direction of the clamping tool bit, and the mounting grooves are communicated with the pressure space.

Optionally, it includes the bearing plate of slidable mounting inside the mounting groove to step up the mechanism, the inboard fixed mounting of bearing plate has the post that pushes away, the one end fixed mounting that the bearing plate was kept away from to the post has the screens ring, the screens ring be located installation space's inside and with the contact of toper screens head, the pressure spring has been cup jointed in the outside of pushing away the post, the both ends of pressure spring respectively with the inside wall fixed connection of bearing plate and mounting groove, the inboard upper portion of screens ring sets up to the inclined plane with toper screens head adaptation.

Optionally, the screens annular has been seted up to the internal surface of polygon type notch, the inside joint of screens annular has the elastic ring, the elastic ring bonds in the outside of polygon card post.

The utility model has the technical effects and advantages that:

1. the tool holder head is fixed by matching the conical clamping head with the clamping ring, so that the stability of the tool when the tool holder head drives the tool is ensured; meanwhile, the conical clamping head and the clamping ring component force can be driven by the pressure spring, so that the tool holder head can be unlocked, and the tool holder head can be ensured to normally drop and be replaced.

2. The utility model can ensure that the cutter head drives the cutter handle head to rotate normally by utilizing the matching of the polygonal notches and the polygonal clamping columns, so that the cutter handle head drives the cutter to normally polish the mirror surface; the conical clamping head can be temporarily fixed by utilizing the matching of the clamping ring groove and the elastic ring, so that the conical clamping head is convenient to install and fix.

3. According to the utility model, the clamping mechanism can be normally pushed to move by utilizing the pressure intensity in the pressure intensity space, so that the clamping mechanism can fix the cutter handle assembly; meanwhile, when the pressure disappears, the tool shank component can be separated; the pressure inside the pressure space can be normally adjusted by the arrangement of the blast pipe.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the interior of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is a schematic structural view of a clamping mechanism according to the present invention;

FIG. 6 is an internal view of a polygonal slot structure according to the present invention.

In the figure: 1. a main shaft body; 2. a housing; 3. a front bearing seat; 4. a rear bearing seat; 5. a chuck head; 6. an upper seal seat; 7. a pressure intensity space; 8. a blast duct; 9. an installation space; 10. a tool shank head; 11. hoisting a column; 12. a conical capture head; 13. a polygonal notch; 14. a polygonal clamping column; 15. mounting grooves; 16. a pressure bearing plate; 17. pushing the column; 18. a position clamping ring; 19. a pressure spring; 20. a clamping ring groove; 21. an elastic ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a permanent magnet spindle special for a PCD composite sheet mirror surface polishing machine, which comprises a spindle body 1 and a shell 2, wherein the spindle body 1 is rotatably arranged in the shell 2, the top and the bottom of the shell 2 are respectively fixedly provided with a front bearing seat 3 and a rear bearing seat 4, the bottom of the spindle body 1 is fixedly provided with a cutter clamping head 5, and the cutter clamping head 5 penetrates through the rear bearing seat 4 and is positioned below the rear bearing seat 4;

the installation space 9 has been seted up to the inside of card tool bit 5, and the inside fixed mounting of installation space 9 has a handle of a knife subassembly, is formed with between card tool bit 5 and the main shaft body 1 and has had the pressure mechanism, and the internally mounted of card tool bit 5 has the mechanism of fastening, forms the mechanism of fastening and fasten the handle of a knife subassembly under the drive of pressure mechanism and fix.

In the embodiment, the safety of the spindle body 1 is protected by the arrangement of the shell 2; the tool holder assembly is fixed by the arrangement of the clamping tool bit 5, so that the tool holder assembly can rotate along with the main shaft body 1; the cutter of the polishing machine can polish the mirror surface normally; space can be provided for the installation and fixation of the cutter handle assembly by utilizing the arrangement of the installation space 9; the knife handle component can be normally installed, fixed and rotated.

In some embodiments of the present invention, the pressure mechanism includes an upper seal housing 6 hermetically installed between the spindle body 1 and the housing 2, a pressure space 7 is formed between the upper seal housing 6 and the rear bearing housing 4, and a blower pipe 8 communicating with the pressure space 7 is fixedly installed on the rear bearing housing 4.

In the embodiment, the sealing of the pressure space 7 can be ensured by the arrangement of the upper sealing seat 6 and the rear bearing seat 4, so that the pressure space 7 can normally form pressure; the clamping mechanism can be normally pushed to move by using the pressure in the pressure space 7, so that the clamping mechanism can fix the cutter handle assembly; meanwhile, when the pressure disappears, the tool shank component can be separated; the pressure inside the pressure space 7 can be normally adjusted by the arrangement of the blower pipe 8.

In some embodiments of the present invention, the tool shank assembly includes a tool shank head 10 inserted into the installation space 9, a hanging column 11 is fixedly installed on the top of the tool shank head 10, and a tapered clamping head 12 is fixedly installed on the top of the hanging column 11;

the top of the conical clamping head 12 is provided with a polygonal notch 13, a polygonal clamping column 14 is inserted into the polygonal notch 13, and the top of the polygonal clamping column 14 is fixedly connected with the inner top of the mounting space 9;

the inner surface of the polygonal notch 13 is provided with a clamping ring groove 20, an elastic ring 21 is clamped inside the clamping ring groove 20, and the elastic ring 21 is bonded outside the polygonal clamping column 14.

In the embodiment, the matching of the polygonal notch 13 and the polygonal clamping column 14 can ensure that the clamping tool head 5 normally drives the tool shank head 10 to rotate, so that the tool shank head 10 drives the tool to normally polish the mirror surface; the conical clamping head 12 can be temporarily fixed by the matching of the clamping ring groove 20 and the elastic ring 21, so that the conical clamping head 12 is convenient to install and fix, and a space (not shown in the figure) for compressing the elastic ring 21 is arranged between the elastic ring 21 and the polygonal clamping column 14;

the arrangement of the hanging columns 11 can ensure that the tool handle head 10 and the conical clamping head 12 are fixed, so that the conical clamping head 12 can normally drive the tool handle head 10 to be fixed and drive the tool handle head 10 to rotate when rotating.

In some embodiments of the utility model, the outer side of the cutter clamping head 5 is provided with mounting grooves 15 arranged along the circumferential direction of the cutter clamping head 5, and the mounting grooves 15 are communicated with the pressure space 7;

the tightening mechanism comprises a bearing plate 16 which is slidably mounted in the mounting groove 15, a push column 17 is fixedly mounted on the inner side of the bearing plate 16, a clamping ring 18 is fixedly mounted at one end, far away from the bearing plate 16, of the push column 17, the clamping ring 18 is located in the mounting space 9 and contacts with the conical clamping head 12, a pressure spring 19 is sleeved on the outer side of the push column 17, two ends of the pressure spring 19 are fixedly connected with the inner side walls of the bearing plate 16 and the mounting groove 15 respectively, and the upper portion of the inner side of the clamping ring 18 is arranged to be an inclined surface matched with the conical clamping head 12.

In the embodiment, the tool handle head 10 is fixed by matching the conical clamping head 12 and the clamping ring 18, so that the stability of the tool handle head 10 driving a tool in use is ensured; meanwhile, the arrangement of the pressure spring 19 can drive the conical clamping head 12 and the clamping ring 18 to have component force, so that the clamping of the tool holder head 10 is released, and the tool holder head 10 can be ensured to normally drop and be replaced;

after the pressure intensity in the pressure intensity space 7 is increased by utilizing the pressure bearing plate 16, the clamping ring 18 is driven to move by the pushing column 17, so that the conical clamping head 12 is normally fixed by the clamping ring 18; the normal installation practicality of the clamping mechanism can be ensured by the arrangement of the installation groove 15.

The working method of the utility model comprises the following steps:

during installation, the tool shank head 10 is inserted into the installation space 9, and simultaneously the polygonal notch 13 is driven to be sleeved on the outer side of the conical clamping head 12, the elastic ring 21 is extruded, and when the elastic ring 21 corresponds to the clamping ring groove 20, the elastic ring is clamped into the clamping ring groove 20 to temporarily fix the conical clamping head 12;

then, starting a blower connected with a blower pipe 8, adding air into the pressure space 7 through the blower pipe 8 by the blower, increasing pressure in the pressure space 7, pushing the pressure of the pressure space 7 to move the pressure bearing plate 16, enabling the pressure bearing plate 16 to drive the clamping ring 18 to clamp and fix the conical clamping head 12 through the pushing column 17, and simultaneously extruding the pressure spring 19 to compress the pressure spring 19 to generate elasticity;

when the tool shank head 10 needs to be dismounted, the air in the pressure space 7 is exhausted, the pressure is reduced, the elastic force of the pressure spring 19 drives the clamping ring 18 to move outwards through the pressure bearing plate 16, the conical clamping head 12 is unlocked, and then the tool shank head 10 is pulled out.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a special permanent magnetism electric main shaft of compound piece mirror surface burnishing machine of PCD, includes the main shaft body (1) and shell (2), the main shaft body (1) rotates the inside of installing in shell (2), the top and the bottom of shell (2) respectively fixed mounting have front axle bearing (3) and rear axle bearing (4), its characterized in that: a clamping tool bit (5) is fixedly mounted at the bottom of the main shaft body (1), and the clamping tool bit (5) penetrates through the rear bearing seat (4) and is positioned below the rear bearing seat (4);

installation space (9) have been seted up to the inside of card tool bit (5), the inside fixed mounting of installation space (9) has the handle of a knife subassembly, be formed with between card tool bit (5) and the main shaft body (1) and press the mechanism, the internally mounted of card tool bit (5) has the mechanism of fastening, forms the mechanism of fastening and fastens the handle of a knife subassembly under the drive of pressure mechanism and fixes.

2. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 1, wherein:

the pressure mechanism comprises an upper sealing seat (6) which is hermetically arranged between the main shaft body (1) and the shell (2), a pressure space (7) is formed between the upper sealing seat (6) and the rear bearing seat (4), and a blast pipeline (8) communicated with the pressure space (7) is fixedly arranged on the rear bearing seat (4).

3. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 1, wherein:

the knife handle assembly comprises a knife handle head (10) inserted in the installation space (9), a hanging column (11) is fixedly installed at the top of the knife handle head (10), and a conical clamping head (12) is fixedly installed at the top of the hanging column (11).

4. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 3, wherein:

polygonal notches (13) are formed in the tops of the conical clamping heads (12), polygonal clamping columns (14) are inserted into the polygonal notches (13), and the tops of the polygonal clamping columns (14) are fixedly connected with the inner tops of the mounting spaces (9).

5. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 1, wherein:

the outside of the clamping tool bit (5) is provided with mounting grooves (15) which are arranged along the circumferential direction of the clamping tool bit (5), and the mounting grooves (15) are communicated with the pressure space (7).

6. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 1, wherein:

step up mechanism and include bearing plate (16) of slidable mounting in mounting groove (15) inside, the inboard fixed mounting of bearing plate (16) has push away post (17), the one end fixed mounting that bearing plate (16) were kept away from in push away post (17) has screens ring (18), screens ring (18) are located the inside of installation space (9) and contact with toper screens head (12), pressure spring (19) have been cup jointed in the outside of push away post (17), the both ends of pressure spring (19) respectively with the inside wall fixed connection of bearing plate (16) and mounting groove (15), the inboard upper portion of screens ring (18) sets up to the inclined plane with toper screens head (12) adaptation.

7. The special permanent magnet electric spindle for the PCD compact mirror polishing machine according to claim 4, wherein:

screens annular (20) have been seted up to the internal surface of polygon type notch (13), the inside joint of screens annular (20) has elastic ring (21), elastic ring (21) bond in the outside of polygon card post (14).