Vacuum sintering machine for agglomerated diamond balls

Abstract

The utility model relates to the technical field of production of diamond agglomerated balls, in particular to a vacuum sintering machine for the diamond agglomerated balls, which comprises a sintering cylinder, a plurality of first heating devices arranged in a circumferential array are arranged on the periphery of the inner edge of the sintering cylinder, and a second heating device is arranged at the center of the inner part of the sintering cylinder. The sintering device has the advantages that a plurality of first heating devices are installed on the periphery of the inner edge of the sintering cylinder in a circumferential array mode, a second heating device is installed in the center of the inner portion of the sintering cylinder, the sintering base is installed in the sintering cylinder, and a plurality of sintering plates are installed in the sintering base in a circumferential array mode. A plurality of half material channels are formed outside the sintering base and the sintering plates and form a cylindrical material channel, the two sets of heating devices are located on the inner sides and the outer sides of the sintering base and the sintering plates, raw materials are poured into the material channel, the raw materials in the material channel can be sintered and separated through heating of the two sets of heating devices, and adhesion is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of diamond agglomerate ball production, in particular to a diamond agglomerate ball vacuum sintering machine. Background Art

[0002] Diamond agglomerated balls are made by putting diamond micropowder and a binder into a granulating device. Under the vibration of the granulating device, the diamond powder is formed into a spherical shape under the action of the binder. The equipment is very large, and a diaphragm pump is used for extraction when feeding. After agglomeration into balls, they need to be dried, placed in a tray after drying, and placed in a vacuum sintering machine for high temperature and high pressure shaping. The raw materials in the current sintering machine are unevenly arranged. After sintering, the raw materials are easy to stick together into blocks. The blocky raw materials are large and easily affect the subsequent screening work. Based on this, the present application proposes a diamond agglomerated ball vacuum sintering machine to solve the above problems. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a vacuum sintering machine for diamond agglomerated balls.

[0004] The purpose of the utility model is achieved through the following technical solutions: a diamond agglomerated ball vacuum sintering machine, comprising a sintering cylinder, wherein a plurality of first heating devices in a circular array are installed around the inner edge of the sintering cylinder, a second heating device is installed at the center of the inner part of the sintering cylinder, a sintering seat is installed on the sintering cylinder, and its overall structure is cylindrical, a plurality of sintering plates in a circular array are installed inside the sintering seat, and the plurality of sintering plates form a circular ring, the second heating device is located inside the inner ring of the circular ring, a plurality of material channels in a circular array are formed between the plurality of sintering plates and between the plurality of sintering plates and the inner surface of the sintering seat, a cylinder cover is installed above the sintering cylinder, and an air valve is installed above the cylinder cover.

[0005] Optionally, a plurality of threaded holes are provided on the top surface of the sintering cylinder, a plurality of through holes are provided at the edge of the top surface of the cylinder cover, which correspond to the threaded holes one by one, and a sealing ring is installed between the cylinder cover and the sintering cylinder.

[0006] Optionally, a plurality of first guide pillars are installed on the bottom wall of the sintering cylinder, first guide holes are opened at the edges inside the sintering seat, and the plurality of first guide pillars respectively penetrate the plurality of first guide holes.

[0007] Optionally, the bottom wall of the sintering seat is installed with multiple groups of second guide pillars in a circumferential array, the multiple sintering plates are all arc-shaped, and second guide holes are opened in the middle positions therein, and the multiple groups of second guide pillars respectively penetrate the multiple groups of second guide holes.

[0008] Optionally, the inner surface of the sintering seat is provided with a plurality of first half channels in a circumferential array, and both sides of the outer surfaces of the plurality of sintering plates are provided with a plurality of second half channels in a circumferential array, and a plurality of groups of the second half channels are connected with each other and with the plurality of the first half channels to form a complete channel.

[0009] The utility model has the following advantages:

[0010] The diamond agglomerated ball vacuum sintering machine adopts a sintering cylinder as the main body of the equipment. A plurality of first heating devices are installed in a circumferential array around the inner edge of the sintering cylinder. A second heating device is installed in the center of the inner part of the sintering cylinder. A sintering seat is installed inside the sintering cylinder. A plurality of sintering plates are installed in a circumferential array inside the sintering seat. A plurality of half-channels are opened outside the sintering seat and the plurality of sintering plates. The plurality of half-channels form a cylindrical channel. Two groups of heating devices are located inside and outside the sintering seat and the sintering plates. Raw materials are poured into the channel and heated by the two channels. The heating of the group heating equipment can sinter the raw materials in the material channel and separate the raw materials to avoid adhesion. Among them, the sintering plate is made of material with good thermal conductivity to improve the sintering efficiency and facilitate the assembly and disassembly of the sintering seat and the sintering plate. A cylinder cover is installed above the sintering cylinder to seal the sintering cylinder, and a sealing ring is installed between the two to improve the sealing between the two. An air valve is installed above the cylinder cover to evacuate the sintering cylinder into a vacuum state to avoid the influence of air on the sintering of raw materials and meet the needs of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 For the utility model Figure 1 Schematic diagram of the internal structure;

[0013] Figure 3 It is a schematic diagram of the overall structure of the sintering cylinder in the utility model;

[0014] Figure 4 This is a schematic diagram of the internal structure of the sintering cylinder in the utility model;

[0015] Figure 5 This is a schematic diagram of the internal structure of the middle cylinder cover of the utility model;

[0016] Figure 6 This is a schematic diagram of the overall structure of the sintering seat in the utility model;

[0017] Figure 7 This is a schematic diagram of the internal structure of the sintering seat in the utility model;

[0018] Figure 8 It is a schematic diagram of the overall structure of a sintered plate in the utility model.

[0019] In the figure: 1-sintering cylinder, 2-cylinder cover, 3-gas valve, 4-second heating device, 5-first heating device, 6-sintering seat, 7-sintering plate, 8-sealing ring, 9-first guide column, 10-second guide column, 11-first half channel, 12-first guide hole, 13-second half channel, 14-second guide hole. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0021] like Figures 1 to 8 As shown, a vacuum sintering machine for diamond agglomerated balls comprises a sintering cylinder 1. A plurality of first heating devices 5 in a circular array are installed around the inner edge of the sintering cylinder 1. A second heating device 4 is installed at the center of the inner part of the sintering cylinder 1. A sintering seat 6 is installed on the sintering cylinder 1. The overall structure is cylindrical. A plurality of sintering plates 7 in a circular array are installed inside the sintering seat 6. The plurality of sintering plates 7 form a circular ring. The second heating device 4 is located inside the inner ring of the circular ring. A plurality of material channels in a circular array are formed between the plurality of sintering plates 7 and between the plurality of sintering plates 7 and the inner surface of the sintering seat 6. A cylinder cover 2 is installed above the sintering cylinder 1. A gas valve 3 is installed above the cylinder cover 2.

[0022] As an optional technical solution of the utility model, a plurality of threaded holes are provided on the top surface of the sintering cylinder 1, and a plurality of through holes are provided at the edge of the top surface of the cylinder cover 2, which correspond to the threaded holes one by one. A sealing ring 8 is installed between the cylinder cover 2 and the sintering cylinder 1, so that it is convenient to assemble the cylinder cover 2 and the sintering cylinder 1 together and ensure good sealing between the two.

[0023] As an optional technical solution of the present invention, a plurality of first guide columns 9 are installed on the bottom wall of the sintering cylinder 1, and first guide holes 12 are opened at the edges inside the sintering seat 6. The plurality of first guide columns 9 respectively penetrate the plurality of first guide holes 12, which can limit the installation of the sintering seat 6.

[0024] As an optional technical solution of the utility model, the bottom wall of the sintering seat 6 is installed with multiple groups of second guide columns 10 in a circular array, and the multiple sintering plates 7 are all arc-shaped, and the middle position therein is opened with a second guide hole 14. The multiple groups of second guide columns 10 respectively penetrate the multiple groups of second guide holes 14, which can limit the position of the sintering plate 7 to ensure that the material channel can be combined and formed to avoid its shaking.

[0025] As an optional technical solution of the utility model, the inner surface of the sintering seat 6 is provided with a plurality of first half channels 11 in a circumferential array, and both sides of the outer surfaces of the plurality of sintering plates 7 are provided with a plurality of second half channels 13 in a circumferential array. The plurality of groups of second half channels 13 are combined with the plurality of first half channels 11 to form a complete channel. The matching structure of the sintering seat 6 and the sintering plates 7 can refer to the following drawings to separate the raw materials. After sintering, the raw materials are in a cylindrical shape, which is convenient for later crushing and screening, and there will be no adhesion between the raw materials.

[0026] In summary, the features, assembly methods, use processes and functions of each component in the utility model are as follows: a sintering cylinder 1 is used as the main body of the equipment, a plurality of first heating devices 5 are installed in a circumferential array around the inner edge of the sintering cylinder 1, a second heating device 4 is installed in the center of the inner part of the sintering cylinder 1, a sintering seat 6 is installed inside the sintering cylinder 1, a plurality of sintering plates 7 are installed in a circumferential array inside the sintering seat 6, a plurality of half channels are opened outside the sintering seat 6 and the plurality of sintering plates 7, and the plurality of half channels form a cylindrical channel, and two groups of heating devices are located between the sintering seat 6 and the sintering plate 7. The raw materials are poured into the material channel through the inner and outer sides of the plate 7. The raw materials in the material channel can be sintered by heating with two sets of heating equipment. Among them, the sintering plate 7 is made of a material with good thermal conductivity to improve the sintering efficiency, and it is convenient to assemble and disassemble the sintering seat 6 and the sintering plate 7. A cylinder cover 2 is installed above the sintering cylinder 1 to seal the sintering cylinder 1, and a sealing ring 8 is installed between the two to improve the sealing between the two. An air valve 3 is installed above the cylinder cover 2, which can evacuate the inside of the sintering cylinder 1 into a vacuum state to avoid the influence of air on the sintering of the raw materials and meet the needs of use.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Diamond agglomerated ball vacuum sintering machine, characterized by: The invention comprises a sintering cylinder (1), wherein a plurality of first heating devices (5) in a circular array are installed around the inner edge of the sintering cylinder (1), a second heating device (4) is installed at the center of the inner part of the sintering cylinder (1), a sintering seat (6) is installed on the sintering cylinder (1), and the overall structure is cylindrical. A plurality of sintering plates (7) in a circular array are installed inside the sintering seat (6), and the plurality of sintering plates (7) form a circular ring shape. The second heating device (4) is located inside the inner ring of the circular ring, and a plurality of material channels in a circular array are formed between the plurality of sintering plates (7) and between the plurality of sintering plates (7) and the inner surface of the sintering seat (6). A cylinder cover (2) is installed above the sintering cylinder (1), and a gas valve (3) is installed above the cylinder cover (2).

2. The diamond agglomerated ball vacuum sintering machine according to claim 1, characterized in that: The top surface of the sintering cylinder (1) is provided with a plurality of threaded holes, and the edge of the top surface of the cylinder cover (2) is provided with a plurality of through holes which correspond one to one with the threaded holes, and a sealing ring (8) is installed between the cylinder cover (2) and the sintering cylinder (1).

3. The diamond agglomerated ball vacuum sintering machine according to claim 1, characterized in that: A plurality of first guide columns (9) are installed on the bottom wall of the sintering cylinder (1), first guide holes (12) are opened at the inner edge of the sintering seat (6), and the plurality of first guide columns (9) respectively penetrate the plurality of first guide holes (12).

4. The diamond agglomerated ball vacuum sintering machine according to claim 1, characterized in that: The bottom wall of the sintering seat (6) is equipped with a plurality of groups of second guide pillars (10) in a circumferential array, and the plurality of sintering plates (7) are all arc-shaped, and a second guide hole (14) is opened at the middle position inside the plurality of groups of second guide pillars (10) respectively penetrate the plurality of groups of second guide holes (14).

5. The diamond agglomerated ball vacuum sintering machine according to claim 1, characterized in that: The inner surface of the sintering seat (6) is provided with a plurality of first half channels (11) in a circumferential array, and both sides of the outer surfaces of the plurality of sintering plates (7) are provided with a plurality of second half channels (13) in a circumferential array, and a plurality of groups of the second half channels (13) are connected to each other and to the plurality of the first half channels (11) to form a complete channel.

Images