CN211193477U

CN211193477U - High-speed board part polishing mounting fixture

Info

Publication number: CN211193477U
Application number: CN201921993943.3U
Authority: CN
Inventors: 韩强
Original assignee: II VI Optics Suzhou Co Ltd
Current assignee: II VI Optics Suzhou Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-07
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a high-speed board part polishing mounting fixture, include: the device comprises a base, a gasket, a fixing ring, a rubber pad and a fastening screw; the base is of a hollow structure and comprises an upper base and a lower base, the upper base is arranged above the lower base, and the diameter of the upper base is smaller than that of the lower base; the gasket and the fixed ring are sleeved on the upper base, and the gasket is positioned between the fixed ring and the lower base; the rubber pad is arranged at the upper end of the upper base, is positioned in the upper base and is connected with the upper base through fastening screws; fastening screw sets up to hollow structure, and fastening screw sets up in the upper end of last base, and fastening screw's upper end is connected with the rubber pad, and fastening screw's lower extreme is connected with the upper base. In this way, the utility model discloses can adjust the retainer plate height according to the part thickness difference, can enough fully seal, reuse many times again has reduced the production and processing cost.

Description

High-speed board part polishing mounting fixture

Technical Field

The utility model relates to a mechanical polishing technical field especially relates to a high-speed board part polishing mounting fixture.

Background

In the current optical cold processing industry, single-grain polishing equipment is generally used, and the equipment has high polishing efficiency and high market share. The single-grain polishing equipment is attached with a standard universal clamp, and the lower shaft of the clamp is tightly held and fixed by a machine. The clamp is not strong in universality, and can only be used for processing parts with different thicknesses and different diameters aiming at parts with the same thickness and the same diameter, the clamp with multiple heights and diameters is required to be customized, so that the production and processing cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a high-speed board part polishing mounting fixture, can adjust the retainer plate height according to the part thickness difference, can enough fully seal, reuse many times again has reduced the production and processing cost.

In order to achieve the above object, the technical solution of the present invention is:

a high-speed machine part polishing fixing clamp comprises: the device comprises a base, a gasket, a fixing ring, a rubber pad and a fastening screw; the base is of a hollow structure and comprises an upper base and a lower base, the upper base is arranged above the lower base, and the diameter of the upper base is smaller than that of the lower base; the gasket and the fixed ring are sleeved on the upper base, and the gasket is positioned between the fixed ring and the lower base; the rubber pad is arranged at the upper end of the upper base, is positioned in the upper base, and is connected with the upper base through fastening screws; the fastening screw is arranged at the upper end of the upper base, the upper end of the fastening screw is connected with the rubber pad, and the lower end of the fastening screw is connected with the upper base.

Preferably, the bottom end of the base is provided with an internal thread.

Preferably, the upper base and the lower base are integrally formed.

Preferably, the upper base comprises an upper base first end and an upper base second end, the upper base first end is arranged above the upper base second end, the inner diameter of the upper base first end is smaller than that of the upper base second end, and the bottom surface of the rubber pad is in contact with the top surface of the upper base second end.

Preferably, the number of the spacers is at least two.

Preferably, the inner side surface of the upper end of the fixing ring is an inclined surface, and the inner diameter of the fixing ring far away from the top surface of the fixing ring is smaller than that of the fixing ring close to the top surface of the fixing ring.

Preferably, the top surface of the rubber pad is lower than the top surface of the fixing ring.

Preferably, the rubber pad is of a hollow structure, a through hole is formed in the bottom end of the rubber pad, the upper end of the fastening screw is located in the rubber pad, and the diameter of the through hole is smaller than or equal to that of the lower end of the fastening screw.

Preferably, the part is placed on the rubber pad, the lower end of the part is positioned in the fixing ring, and the height of the part exposed out of the fixing ring is 0.5mm +/-0.05 mm.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

the high-speed machine part polishing fixing clamp is of a split structure, is convenient to assemble integrally, can adjust the height of the fixing ring according to different thicknesses of parts, can be sufficiently sealed, can be repeatedly used for many times, and reduces the production and processing cost. The rubber pad is screwed and fastened on the base by a fixing screw, has strong tightness, can ensure that air pressure is stable and does not leak when air blowing and vacuum, and prevents parts from shifting.

Drawings

Fig. 1 is a schematic structural view of the high-speed machine part polishing and fixing clamp of the present invention.

Fig. 2 is a sectional view of the high-speed machine part polishing and fixing clamp of the present invention.

Fig. 3 is an exploded view of the high-speed machine part polishing fixture of the present invention.

Description of reference numerals:

the main shaft joint comprises a base 1, an upper base 11, an upper base first end 111, an upper base second end 112, a lower base 12, a gasket 2, a fixing ring 3, a fastening screw 4, a rubber gasket 5, a part 6 and a main shaft joint 7.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the drawings, a high-speed machine part polishing fixing clamp comprises: base 1, gasket 2, retainer plate 3, rubber pad 5 and fastening screw 4.

The base 1 is provided in a hollow structure for air blowing and vacuum suction. The base 1 can adopt stainless steel material, and the base 1 is the cylinder, and the external diameter can set up about 45 mm. The base 1 comprises an upper base 11 and a lower base 12, the upper base 11 is arranged above the lower base 12, the diameter of the upper base 11 is smaller than that of the lower base 12, namely, the base 1 is a thin upper end and a thin lower end, and a step is formed at the joint of the upper base and the lower base. The upper base 11 and the lower base 12 can be formed integrally, so that the whole sealing performance of the base 1 is improved. The bottom end of the base 1 is provided with an internal thread, i.e. the lower end of the lower base 12 is a threaded hole through which the polishing fixture is connected with the machine spindle adapter 7.

The upper base 11 includes an upper base first end 111 and an upper base second end 112, the upper base first end 111 is disposed above the upper base second end 112, the inner diameter of the upper base first end 111 is smaller than the inner diameter of the upper base second end 112, and the bottom surface of the rubber pad 5 contacts the top surface of the upper base second end 112. That is, the inner wall of the upper end of the upper base 11 forms a step by which the fastening screw 4 and the rubber pad 5 are fixed. The second end 112 of the upper base is provided with internal threads, and the fastening screw 4 is in threaded connection with the second end 112 of the upper base.

The gasket 2 is arranged in an annular sheet shape, and the gasket 2 can be made of stainless steel. The gasket 2 is provided on the upper base 11, and the gasket 2 is located between the retainer ring 3 and the lower base 12. The thickness of the gasket 2 is 0.5 mm-1 mm, the number of the gaskets 2 is at least two, the height of the fixing ring 3 is adjusted according to the thickness of different lenses, and the height of the fixing ring 3 is adjusted through the thickness and/or the number of the gaskets 2.

The fixing ring 3 is sleeved on the upper base 11 and fixes the part 6 in the radial direction. The bottom end of the retainer ring 3 is provided with an internal thread for rotational attachment to the base 1. The retainer plate 3 can adopt bakelite or polyformaldehyde material, and the retainer plate 3 sets up to hollow circular cylinder, and about 38mm, high 46mm of external diameter of retainer plate 3, the internal diameter of retainer plate 3 is about 0.15mm bigger than part 6.

The medial surface of 3 upper ends of retainer plate is the inclined plane, and 3 internal diameters of retainer plate that keep away from 3 top surfaces of retainer plate are less than the 3 internal diameters of retainer plate that are close to 3 top surfaces of retainer plate, and the internal diameter that also is the retainer plate 3 upper end more is more littleer. The arrangement can enable the fixing ring 3 to fix parts 6 with different diameters, and the application range of the polishing fixing clamp is expanded.

The fixing ring 3 is in threaded connection with the base 1, is fixed reliably, and can be freely adjusted in height to match the thickness of the part 6. When the upper end of the clamp is worn, the gasket 2 can be added, the fixing ring 3 is moved upwards, then the worn part of the fixing ring 3 is removed, the unworn area is left for reuse, and the clamp can be repeatedly used until 3-4 teeth are left in the lower end threaded connection.

Rubber pad 5 sets up in the upper end of upper base 11, and rubber pad 5 is located upper base 11, and the top surface of rubber pad 5 is less than the top surface of retainer plate 3 to guarantee that part 6 is put and can be so that part 6 exposes retainer plate 3 on rubber pad 5, only part 6 exposes the part of retainer plate 3 and just the park polishes.

Rubber pad 5 adopts the rubber material, and rubber pad 5 sets up to hollow structure, and the diameter of rubber pad 5 can set up to about 19 mm. The bottom of rubber pad 5 is provided with the through-hole, and the upper end of fastening screw 4 is located rubber pad 5, and the diameter of through-hole is less than or equal to the diameter of fastening screw 4 lower extreme. The cavity is sealed by the rubber pad 5 to isolate the base 1 from the outside.

Rubber pad 5 and upper base 11 pass through fastening screw 4 to be connected, and fastening screw 4 can adopt stainless steel material. The fastening screw 4 is a hollow structure, and the fastening screw 4 has a structure with a large upper end and a small lower end. Fastening screw 4 sets up in the upper end of upper base 11, and the upper end embedding rubber pad 5 of fastening screw 4 is connected with rubber pad 5, and the lower extreme and the upper base 11 threaded connection of fastening screw 4 fix rubber pad 5 on base 1 through fastening screw 4.

The part 6 is placed on the rubber pad 5, the lower end of the part 6 is positioned in the fixing ring 3, the height of the part 6 exposed out of the fixing ring 3 is 0.5mm +/-0.05 mm, and the surface of the part 6 is ensured to exceed the top end of the fixing ring 3 by about 0.5mm so as to carry out polishing operation.

In the actual processing process, the upper end of the fastening screw 4 is plugged into the inner cavity of the rubber pad 5 to form a combination body of the fastening screw 4 and the rubber pad 5. The assembly is screwed into the upper end of the base 1 by means of a socket head wrench. According to the thickness of a part 6 to be processed, a proper number of gaskets 2 are selected, the gaskets 2 are sleeved from the upper end of the base 1 and placed on the outer step of the base 1, and then the fixing ring 3 is screwed on the base 1.

The polishing fixing clamp is assembled in the mode, the base 1 is connected to a main shaft of a machine through the internal thread at the bottom end of the base, and the polishing die is installed on an upper shaft of the machine. After the parameters are set, the part 6 is placed in the jig at the starting point. Starting the machine, rotating the upper shaft polishing die and allowing cooling liquid to enter.

The lower shaft moves upwards, when the polishing is approached, the input gas moves upwards along the inner hole of the base 1, then passes through the inner hole of the fastening screw 4 and finally enters the cavity of the rubber pad 5, the upper end of the rubber pad 5 protrudes upwards by air pressure to prop against the part 6 to contact with the polishing die, and meanwhile, the main shaft of the lower shaft machine rotates to drive the whole clamp to rotate and drive the part 6 to rotate together, so that the part 6 is polished. After polishing, the upper shaft and the lower shaft stop rotating together with the part 6, the cavity of the lower shaft is immediately vacuumized, and the leather cup is driven to be sunken to suck the part 6 and return to the starting point.

The rubber pad 5 is screwed and fastened on the base 1 by screws, the air tightness is strong, the air pressure is stable and air-tight when air blowing and vacuum are ensured, the rubber pad 5 cannot be blown out when the air pressure works, and cooling liquid cannot enter the joint 7 of the main shaft to abrade the main shaft when the air pressure works.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a high-speed board part polishing mounting fixture which characterized in that includes: the device comprises a base, a gasket, a fixing ring, a rubber pad and a fastening screw; the base is of a hollow structure and comprises an upper base and a lower base, the upper base is arranged above the lower base, and the diameter of the upper base is smaller than that of the lower base; the gasket and the fixed ring are sleeved on the upper base, and the gasket is positioned between the fixed ring and the lower base; the rubber pad is arranged at the upper end of the upper base, is positioned in the upper base, and is connected with the upper base through fastening screws; the fastening screw is arranged at the upper end of the upper base, the upper end of the fastening screw is connected with the rubber pad, and the lower end of the fastening screw is connected with the upper base.

2. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the bottom of base is provided with the internal thread.

3. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the upper base and the lower base are integrally formed.

4. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the upper base comprises an upper base first end and an upper base second end, the upper base first end is arranged above the upper base second end, the inner diameter of the upper base first end is smaller than that of the upper base second end, and the bottom surface of the rubber pad is in contact with the top surface of the upper base second end.

5. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the number of the spacers is at least two.

6. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the medial surface of retainer plate upper end is the inclined plane, and the retainer plate internal diameter of keeping away from the retainer plate top surface is less than the retainer plate internal diameter that is close to the retainer plate top surface.

7. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the top surface of the rubber pad is lower than the top surface of the fixed ring.

8. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the rubber pad is of a hollow structure, a through hole is formed in the bottom end of the rubber pad, the upper end of the fastening screw is located in the rubber pad, and the diameter of the through hole is smaller than or equal to that of the lower end of the fastening screw.

9. The high-speed machine part polishing and fixing clamp as claimed in claim 1, wherein: the part is placed on the rubber pad, and the part lower extreme is located in the retainer plate, the part exposes the height of the part of retainer plate is 0.5mm 0.05 mm.