Intermittent uniform irradiation device for cultivating diamond electron beam irradiation color change

Abstract

The utility model belongs to the technical field of electron beam radiation color changing for diamond cultivation, and particularly relates to an intermittent uniform irradiation device for electron beam radiation color changing for diamond cultivation, which comprises two parallel cross beams and a water tank positioned above the cross beams, slide block tracks are arranged on the cross beams, slide blocks matched with the slide block tracks are arranged at the bottom of the water tank, and the slide blocks are arranged on the slide block tracks. The top face of the water tank is sunken downwards to form a cargo carrying groove, a water tank containing cavity is formed between the cargo carrying groove and the wall face of the water tank, a water inlet and a water outlet are formed in the two opposite sides of the water tank respectively, the two side walls of the water tank are each provided with a sliding rocker mechanism, and the two sliding rocker mechanisms are connected through a connecting shaft. According to the electron beam irradiation device, uniform irradiation of the same batch can be achieved, chromatic aberration is avoided, intermittent reciprocating irradiation through the center of the electron beam can be achieved, and the utilization rate of the electron beam is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of electron beam radiation color change of cultured diamonds, and in particular relates to an intermittent uniform irradiation device for electron beam radiation color change of cultured diamonds. Background Art

[0002] The existing cultured diamond irradiation method is to place diamond samples in a loading tank, which is placed in a water tank, directly below the electron beam scanning window, and the electron beam directly irradiates the diamond. Due to the small center area of ​​the electron beam, when too many diamond samples are placed, color difference will occur between the irradiated edge and the center, resulting in small batch capacity and high cost. Summary of the invention

[0003] The utility model aims to provide an intermittent uniform irradiation device for cultured diamonds to change color by electron beam irradiation, which can achieve uniform irradiation of the same batch, avoid color difference, have high electron beam utilization rate, and can perform intermittent reciprocating irradiation through the center of the electron beam.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An intermittent uniform irradiation device for diamond culture and color change by electron beam irradiation, comprising two parallel beams, a water tank located above the beams, a slider track provided on the beams, a slider matching the pulley track provided at the bottom of the water tank, two groups of sliders provided at the bottom of the water tank symmetrically arranged around the center of the water tank, the top surface of the water tank is recessed downward to form a cargo trough, a water tank accommodating cavity is formed between the cargo trough and the wall of the water tank, the cargo trough is not connected to the water tank, a water inlet and a water outlet are provided on opposite sides of the water tank, a water inlet pipe is provided at the water inlet of the water tank, a water outlet pipe is provided at the water outlet of the water tank, a sliding rocker mechanism is provided on the two side walls of the water tank, the two sliding rocker mechanisms are connected by a connecting shaft, the connecting shaft and the beam are vertically arranged in space, and one side of the sliding rocker mechanism is driven by a motor.

[0006] Furthermore, each sliding rocker mechanism includes a connecting pin a, a rocker, a belt gear a, a belt gear b, a connecting pin b, a bearing seat and a belt arranged on the side wall of the water tank. The belt gear a and the belt gear b are connected by a belt. A connecting pin b is provided on the edge of the belt gear a. The connecting pin a and the connecting pin b are connected by a rocker. The two belt gears a are respectively arranged at both ends of the connecting shaft. The connecting shaft passes through the bearing seat, and the bearing seat is fixed on the crossbeam.

[0007] Furthermore, the water tank includes a bottom, sides surrounding the bottom and an upper recessed portion, and a water inlet and a water outlet are respectively provided on the opposite sides. A water inlet pipe is provided at the water inlet of the water tank, and a water outlet pipe is provided at the water outlet of the water tank.

[0008] Furthermore, a holding cavity for holding a plurality of diamonds is provided on the bottom surface of the cargo tank. The holding cavity is in the shape of a small groove. The plurality of holding cavities are arranged in parallel and evenly. The small groove is conical. The circular mouth of the conical groove has a diameter of 6 mm and a depth of 3 mm. The diamond pavilion is placed downward to facilitate uniform irradiation of the electron beam from the diamond crown. The diamond will not be displaced in the groove with the movement of the water tank.

[0009] The utility model has the advantages that: the utility model can realize uniform irradiation of the same batch, avoid color difference of finished diamonds, and at the same time, the electron beam utilization rate is high, and each row of diamonds in the cargo tank can be intermittently reciprocated through the center of the electron beam for irradiation. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0011] Figure 2 It is a schematic diagram of the structure of the utility model from top view.

[0012] Figure 3 It is a cross-sectional view of the contact portion between the cross beam and the water tank of the utility model. DETAILED DESCRIPTION

[0013] As shown in the figure, an intermittent uniform irradiation device for electron beam irradiation color change of cultured diamonds is characterized in that it includes: a crossbeam 1, a water tank 2, a cargo tank 11, and a sliding rocker mechanism, wherein the crossbeam 1 is arranged under the water tank, a pulley track 16 is arranged on the upper part of the crossbeam 1, the water tank 2 has a water inlet 3 and a water outlet 14 and are respectively arranged on two opposite sides of the water tank 2, the cargo tank 11 is an inner tank formed by a depression on the upper surface of the water tank 2, and the cargo tank is not connected to the water tank; wherein two rows of sliders 15 are arranged at the bottom of the water tank 2, and the sliders 15 correspond to the slider tracks 16; the sliding rocker mechanism is arranged on two opposite sides of the water tank 2; the sliding rocker mechanism includes a rocker 5, a connecting pin a4, a connecting pin b6, a belt gear a7, a belt gear b9, a connecting shaft 12, a bearing seat 13, a belt 8, and a motor 10, and the two ends of the rocker are connected to the water tank 2 and the belt gear a7 through connecting pins, and the two belt gears a4 and b6 correspond to each other. 7 are respectively arranged at both ends of the connecting shaft 12, the connecting shaft 12 passes through the bearing seat 13, the bearing seat 13 is fixed on the crossbeam 1, the belt gear b9 is connected to the motor 10, and the belt 8 is used to connect the belt gear a7 and the belt gear b9.

[0014] Preferably, the water tank includes a bottom, sides surrounding the bottom, and an upper recessed portion, and a water inlet and a water outlet are provided on the sides; specifically, the water inlet and the water outlet are located on both sides of the water tank, so that the coolant, especially water, can flow from one end of the water tank to the other end of the water tank, and the contents of the water tank are fully cooled. The coolant, especially water, enters the water tank to fully cool the cargo tank 11 in the water tank. It should be particularly pointed out that the coolant does not enter the interior of the cargo tank 11, but only contacts the outer surface of the cargo tank 11, thereby forming dry irradiation. In dry irradiation, the electron beam is directly injected into the diamond, the energy loss is negligible, and the amount of electron injection is larger for the same irradiation time, which can shorten the processing time.

[0015] Furthermore, a slider track 16 is arranged on the crossbeam 1 to form an embedded track; the slider 15 is arranged on the outer bottom of the water tank 2 and two groups are symmetrically arranged around the center of the water tank 2; the slider 15 is connected to the outer bottom of the water tank 2; that is, the slider 15 and the pulley track 16 fit each other, so that the water tank 2 can slide freely on the crossbeam, one end of the rocker 5 is connected to the center connecting pin a 4 on the side of the water tank 2, and the other end is connected to the connecting pin b 6 at the side edge of the belt gear a 7, and the connecting parts at both ends rotate parallel to the side of the water tank 2 and the side of the belt gear a 7.

[0016] Furthermore, two belt gears a7 are fixed by connecting shaft 12 through bearing seat 13; that is, motor 10 in the sliding rocker device drives belt gear b9 to rotate, and belt gear b9 drives belt gear a7 to rotate by belt 8, thereby driving rocker 5 to pull water tank 2 to swing back and forth on beam 1, thereby realizing intermittent reciprocating irradiation of diamond through the center of electron beam.

[0017] Furthermore, the bottom surface of the cargo tank 11 is provided with a receiving portion for receiving a plurality of diamonds, that is, the bottom surface of the cargo tank 11 is provided with a plurality of small grooves 17; the small grooves 17 are conical, and preferably, the conical grooves have a circular opening diameter of 6 mm and a depth of 3 mm. The diamond pavilion is placed downward to facilitate uniform irradiation of the electron beam from the diamond crown, and the diamond will not be displaced in the groove with the movement of the water tank.

[0018] When in use, the cultured diamond is placed in the small groove 17 on the bottom surface of the cargo tank 11, the water tank 2 is placed on the beam 1, the slider 15 is engaged with the track 16, cooling water is introduced into the water inlet 3 of the water tank 2, and flows out through the water outlet 14 of the water tank 2 to achieve water circulation cooling, and the sliding rocker device drives the belt gear b9 to rotate through the motor 10, and the belt gear b9 drives the belt gear a7 to rotate through the belt 8, thereby pulling the rocker 5 to drive the water tank 2 to slide back and forth, further realizing that the cultured diamond is irradiated by the center of the electron beam back and forth, and realizing uniform irradiation of the diamond.

Claims

1. An intermittent uniform irradiation device for growing diamonds to change their color by electron beam irradiation, characterized in that: It includes two parallel beams, a water tank located above the beams, a slider track is provided on the beams, a slider matching the pulley track is provided at the bottom of the water tank, the top surface of the water tank is recessed downward to form a cargo trough, a water tank accommodating cavity is formed between the cargo trough and the wall of the water tank, a water inlet and a water outlet are respectively provided on opposite sides of the water tank, a sliding rocker mechanism is respectively provided on the two side walls of the water tank, the two sliding rocker mechanisms are connected by a connecting shaft, the connecting shaft and the beam are vertically arranged in space, and one side of the sliding rocker mechanism is driven by a motor.

2. The intermittent uniform irradiation device for changing the color of cultured diamond by electron beam irradiation according to claim 1, characterized in that: Each sliding rocker mechanism includes a connecting pin a, a rocker, a belt gear a, a belt gear b, a connecting pin b, a bearing seat and a belt arranged on the side wall of the water tank. The belt gear a and the belt gear b are connected by a belt. A connecting pin b is arranged on the edge of the belt gear a. The connecting pin a and the connecting pin b are connected by a rocker. The two belt gears a are respectively arranged at both ends of the connecting shaft. The connecting shaft passes through the bearing seat, and the bearing seat is fixed on the crossbeam.

3. The intermittent uniform irradiation device for changing the color of cultured diamond by electron beam irradiation as claimed in claim 2, characterized in that: The water tank comprises a bottom, side edges surrounding the bottom and an upper recessed portion, and opposite side edges are respectively provided with a water inlet and a water outlet.

4. The intermittent uniform irradiation device for changing the color of cultured diamond by electron beam irradiation as claimed in claim 3, characterized in that: The bottom surface of the cargo tank is provided with a receiving part for receiving a plurality of diamonds, and the receiving cavity is in the shape of a small groove, and the small groove is in a cone shape.

5. The intermittent uniform irradiation device for color change of cultured diamond by electron beam irradiation according to claim 4, characterized in that: The conical groove has a circular opening diameter of 6 mm and a depth of 3 mm.

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