CN215357851U - Clamping device for polishing diamond - Google Patents

Abstract

The utility model provides a clamping device for polishing diamonds, which comprises an operating platform, wherein a support is arranged on the operating platform, a telescopic mechanism is arranged on the support, a clamping disc is arranged at the telescopic end of the telescopic mechanism, an outer supporting ring plate and an inner supporting ring plate are arranged at the bottom of the clamping disc, a plurality of clamping mechanisms are arranged between the outer supporting ring plate and the inner supporting ring plate, each clamping mechanism comprises a fixed block arranged on the outer side of the inner supporting ring plate, a movable block is arranged on the inner side of the outer supporting ring plate, the movable block and the fixed block are oppositely arranged, a sliding groove is arranged at the bottom of the clamping disc, a sliding bulge matched with the sliding groove is arranged on the upper side of the movable block, a threaded hole matched with a clamping screw rod is arranged on the outer supporting ring plate, one end of the clamping screw rod is rotatably arranged on the movable block, and a handle is arranged at the other end of the clamping screw rod. The clamping device can clamp diamond workpieces of multiple sizes, can clamp the workpieces simultaneously, and improves polishing efficiency.

Description

Clamping device for polishing diamond

Technical Field

The utility model belongs to the field of diamond processing equipment, and particularly relates to a clamping device for polishing diamonds.

Background

The diamond has high hardness, good wear resistance, high strength, good thermal conductivity, low friction coefficient with nonferrous metals, good anti-caking property, excellent corrosion resistance and chemical stability, can be ground into an extremely sharp blade, is considered as the most ideal cutter material for ultraprecise cutting, has important position and is widely applied in the field of mechanical processing, particularly ultraprecise processing. There are three kinds of common monocrystalline diamond on the market, which are natural monocrystalline diamond, high-temperature and high-pressure monocrystalline diamond and chemical vapor deposition monocrystalline diamond. No matter which kind of single crystal diamond, the shape and the surface quality of the single crystal diamond can not meet the use requirements before any processing treatment, and the single crystal diamond must be firstly cut into a specific shape by using laser and then subjected to surface polishing treatment to reach a certain standard. There are various apparatuses suitable for polishing of single crystal diamond, but a mechanical polishing apparatus is industrially used in large quantities in consideration of polishing efficiency and economic cost. The mechanical polishing utilizes the micro-crushing removal principle, adopts a cast iron polishing disc coated with diamond micro powder on the surface, the rotating speed of the cast iron polishing disc is kept at 2800-.

The workpiece needs to be positioned and clamped in the polishing process of the diamond, the existing clamp can only clamp a single workpiece and a workpiece of a single model, the application range is small, and the efficiency is low.

Disclosure of Invention

The utility model aims to provide a clamping device for polishing diamonds, which can clamp diamond workpieces with various sizes, can clamp a plurality of workpieces simultaneously and improve polishing efficiency.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a clamping device for polishing diamond, includes the operation panel, is equipped with the support on the operation panel, is equipped with telescopic machanism on the support, and telescopic machanism's flexible end is equipped with the grip slipper, and the grip slipper bottom is equipped with outer support ring board and interior support ring board, is equipped with a plurality of fixture between outer support ring board and the interior support ring board, fixture is equipped with the sliding tray including setting up the fixed block in the interior support ring board outside, and outer support ring inboard is equipped with the movable block, and movable block and fixed block set up relatively, and the grip slipper bottom is equipped with the sliding tray, and the movable block upside is equipped with the slip arch with the sliding tray complex, is equipped with on the outer support ring board with clamp screw rod complex screw hole, and clamp screw rod one end is rotated and is installed on the movable block, and the other end is equipped with the handle.

In a preferred scheme, the telescopic mechanism is an electric push rod or an air cylinder.

In a preferred embodiment, the sliding groove is a dovetail groove.

In a preferred scheme, a first limiting groove and a second limiting groove are respectively arranged on the opposite sides of the fixed block and the movable block.

In a preferred scheme, elastic pads are arranged in the first limiting groove and the second limiting groove.

In the preferred scheme, the clamping screw is provided with a locking nut, and the locking nut is arranged on the outer side of the outer supporting ring plate.

According to the clamping device for polishing the diamond, the diamond workpiece is placed between the fixed block and the movable block, the clamping screw rod is rotated to enable the movable block to move towards the workpiece, the workpiece is clamped between the fixed block and the movable block, the clamping of diamond workpieces with different sizes can be adapted by adjusting the distance between the fixed block and the movable block, the workpieces can be annularly distributed along the polishing wheel of the polishing machine by arranging a plurality of groups of clamping mechanisms, meanwhile, the polishing of a plurality of workpieces is realized, and the processing efficiency is improved.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

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

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;

FIG. 3 is a bottom view of the fixture installation;

in the figure: the device comprises an operating table 1, a support 2, a telescopic mechanism 3, a clamping disc 4, an outer supporting ring plate 5, an inner supporting ring plate 6, a fixed block 7, a movable block 8, a clamping screw 9, a handle 10, an elastic pad 11, a locking nut 12, a sliding groove 401, a first limiting groove 701, a sliding protrusion 801 and a second limiting groove 802.

Detailed Description

As shown in fig. 1 to 3, a clamping device for polishing diamond comprises an operation table 1, a support 2 is arranged on the operation table 1, the support 2 is a door-shaped support, a telescopic mechanism 3 is arranged on the support 2, the telescopic mechanism 3 is an electric push rod or an air cylinder, a clamping disc 4 is arranged at the telescopic end of the telescopic mechanism 3, an outer supporting ring plate 5 and an inner supporting ring plate 6 are arranged at the bottom of the clamping disc 4, the outer supporting ring plate 5 and the inner supporting ring plate 6 are concentrically arranged, a plurality of clamping mechanisms are arranged between the outer supporting ring plate 5 and the inner supporting ring plate 6, the clamping mechanism comprises a fixed block 7 arranged at the outer side of the inner supporting ring plate 6, a movable block 8 is arranged at the inner side of the outer supporting ring plate 5, the movable block 8 and the fixed block 7 are oppositely arranged, a sliding groove 401 is arranged at the bottom of the clamping disc 4, a sliding protrusion 801 matched with the sliding groove is arranged at the upper side of the movable block 8, in this embodiment, the sliding groove 401 is a dovetail groove 401, can slide spacing to sliding bulge 801, can prevent simultaneously that sliding bulge 801 from breaking away from sliding tray 401, be equipped with on the outer support ring board 5 with press from both sides tight screw 9 complex screw hole, press from both sides tight screw 9 one end and pass through the bearing and rotate and install on movable block 8, the other end is equipped with handle 10.

The operation panel 1 can be provided with a positioning groove, so that the polishing machine can be conveniently placed under the holding disc 4.

When the polishing machine is used specifically, the polishing machine is placed on the operating table, then a diamond workpiece is placed between the fixed block 7 and the movable block 8, the clamping screw 9 is rotated to enable the movable block 8 to move towards the workpiece, the workpiece is clamped between the fixed block 7 and the movable block 8, after clamping is achieved, the telescopic mechanism 3 drives the clamping disc 4 to move downwards, the polishing machine is started, and polishing of the diamond workpiece is achieved.

Preferably, as shown in fig. 2, opposite sides of the fixed block 7 and the movable block 8 are respectively provided with a first limiting groove 701 and a second limiting groove 802. The shapes of the first limiting groove 701 and the second limiting groove 802 are matched with the shape of the workpiece.

Through setting up first spacing groove 701 and second spacing groove 802, increase the spacing to the work piece, prevent that the diamond work piece from rolling down between fixed block 7 and the movable block 8, especially to cylindrical work piece, can carry out spacing around, can not follow the roll-off between fixed block 7 and the movable block 8.

Preferably, the first limiting groove 701 and the second limiting groove 802 are both provided with an elastic pad 11 therein. The elastic pad 11 can be a silica gel pad or a rubber pad, and friction force to the diamond workpiece can be improved by arranging the rubber pad 11, and meanwhile damage to the workpiece can be reduced.

Preferably, the clamping screw 9 is provided with a locking nut 12, and the locking nut 12 is arranged on the outer side of the outer supporting ring plate 5.

The clamping screw 9 is easily loosened by vibration generated in the polishing process, and the double locking is performed by arranging the lock nut 12 to prevent the loosening caused by the vibration.

The device can adapt to the tight of the clamp of the diamond work piece of unidimensional not through adjusting the distance between fixed block 7 and the movable block 8, through setting up multiunit fixture, makes the work piece can follow the throwing aureola annular distribution of burnishing machine, realizes the polishing of many work pieces simultaneously, improves machining efficiency.

Claims (6)

1. A holding device for polishing diamond, characterized in that: comprises an operating platform (1), a support (2) is arranged on the operating platform (1), a telescopic mechanism (3) is arranged on the support (2), a clamping disc (4) is arranged at the telescopic end of the telescopic mechanism (3), an outer supporting ring plate (5) and an inner supporting ring plate (6) are arranged at the bottom of the clamping disc (4), a plurality of clamping mechanisms are arranged between the outer supporting ring plate (5) and the inner supporting ring plate (6), each clamping mechanism comprises a fixed block (7) arranged at the outer side of the inner supporting ring plate (6), a movable block (8) is arranged at the inner side of the outer supporting ring plate (5), the movable block (8) and the fixed block (7) are oppositely arranged, a sliding groove (401) is arranged at the bottom of the clamping disc (4), a sliding protrusion (801) matched with the sliding groove (401) is arranged at the upper side of the movable block (8), a threaded hole matched with a clamping screw rod (9) is arranged on the outer supporting ring plate (5), one end of the clamping screw rod (9) is rotatably arranged on the movable block (8), the other end is provided with a handle (10).

2. A clamping device for polishing a diamond as recited in claim 1 wherein: the telescopic mechanism (3) is an electric push rod or an air cylinder.

3. A clamping device for polishing a diamond as recited in claim 1 wherein: the sliding groove (401) is a dovetail groove.

4. A clamping device for polishing a diamond as recited in claim 1 wherein: and a first limiting groove (701) and a second limiting groove (802) are respectively arranged on the opposite sides of the fixed block (7) and the movable block (8).

5. A clamping apparatus for polishing a diamond according to claim 4, wherein: elastic pads (11) are arranged in the first limiting groove (701) and the second limiting groove (802).

6. A clamping device for polishing a diamond as recited in claim 1 wherein: and a locking nut (12) is arranged on the clamping screw (9), and the locking nut (12) is arranged on the outer side of the outer supporting ring plate (5).

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