CN219886240U

CN219886240U - Indium phosphide crystal growth edulcoration device

Info

Publication number: CN219886240U
Application number: CN202320461394.5U
Authority: CN
Inventors: 李雪峰; 郑东; 周一
Original assignee: Qingdao Lion Crystal Semiconductor Technology Co ltd
Current assignee: Qingdao Lion Crystal Semiconductor Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-10-24
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the technical field of indium phosphide processing, and discloses an indium phosphide crystal growth impurity removing device, wherein a first stirring fan blade is sleeved on the outer side of a shaft lever of a first transmission shaft, a second stirring fan blade is sleeved on the outer side of a shaft lever of a second transmission shaft, a plurality of groups of separation frames which are wrapped on the outer side of the second stirring fan blade and are opposite to a water poking groove notch are arranged in the cavity of a water accumulation groove along the circumferential direction of the cavity, and a storage hopper is arranged in the separation frames. According to the utility model, the transmission mechanism drives the two groups of stirring blades of the impurity removal cleaning mechanism to synchronously operate, and by utilizing the synchronous operation of the two groups of stirring blades, water flow can be driven to carry out convection scouring type impurity removal cleaning work on indium phosphide crystals in the opposite hopper, so that on one hand, the cleaning and impurity removal efficiency can be improved, the cleaning and impurity removal time can be saved, and on the other hand, the cleaning and impurity removal comprehensiveness of the indium phosphide crystals can be ensured.

Description

Indium phosphide crystal growth edulcoration device

Technical Field

The utility model relates to the technical field of indium phosphide processing, in particular to an indium phosphide crystal growth impurity removing device.

Background

Indium phosphide is a chemical substance, is a dark gray crystal with asphalt luster, is mainly used as a semiconductor material and is used for optical fiber communication technology, and is usually prepared by a high-pressure single crystal furnace, however, in the process of synthesizing the crystal by utilizing an indium phosphide crystal growth furnace, the crystal often has flocculent impurities, and the crystal needs to be separated from other impurities whether the structure is measured or the property is characterized, for example, the prior patent technology is as follows: through searching, the Chinese patent network discloses an indium phosphide crystal growth impurity removing device (publication No. CN 213287900U), and the device starts an electric push rod to extend downwards to push a laminate through an operation console, and when a transmission rod is positioned at the inner side of an opening formed in the top of a water tank, the electric push rod is closed, the separation network is positioned in the water tank, and then a driving motor is started to drive a side plate to rotate, so that the indium phosphide crystal is purified.

However, there are some disadvantages to the above-mentioned published patent and the existing devices for removing impurities from indium phosphide crystals adopted in the market: such utilize electric putter to promote to separate the net and move down, with crystal propelling movement to the inside abluent mode of water tank, owing to separate the net and be fixed structure form, it is comparatively difficult to go up the unloading on the one hand, and it is comparatively inconvenient to get to put the indium phosphide crystal, and on the other hand utilizes electric putter to promote to separate the net and moves down to the inside abluent mode of water tank, and the operation is comparatively loaded down with trivial details, and the unable accurate control separates the net and moves down the volume, leads to the indium phosphide crystal to very easily appear the edulcoration and washs incomplete condition. To this end, a person skilled in the art provides an apparatus for removing impurities in indium phosphide crystal growth to solve the problems set forth in the background art.

Disclosure of Invention

The utility model mainly aims to provide an indium phosphide crystal growth impurity removal device, which can effectively solve the problems that in the prior art, the impurity removal and cleaning of indium phosphide crystals are difficult to load and unload, the taking and placing of the indium phosphide crystals are inconvenient, and the operation is complicated, the downward movement amount of a separation net cannot be accurately controlled due to the mode that an electric push rod is used for pushing the separation net to move down into a water tank for cleaning, so that the impurity removal and the incomplete cleaning of the indium phosphide crystals are easy to occur.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the device comprises a impurity removing box, wherein an impurity removing and cleaning mechanism is arranged at the upper half part of a box body of the impurity removing box, and a transmission mechanism is arranged at the lower half part of the box body of the impurity removing box;

the impurity removal cleaning mechanism comprises a water accumulation groove formed in the upper half of the impurity removal box body, the water accumulation groove is of an annular structure, a plurality of groups of water stirring grooves are formed in the inner wall of the water accumulation groove along the circumferential direction of the water accumulation groove, a first transmission shaft is rotatably connected in the cavity of the water stirring groove, a first stirring fan blade is sleeved outside a shaft rod of the first transmission shaft, a second transmission shaft is rotatably connected in the middle of the cavity of the water accumulation groove, a second stirring fan blade is sleeved outside the shaft rod of the second transmission shaft, a plurality of groups of separation frames which are wrapped outside the second stirring fan blade and are opposite to the water stirring groove opening are arranged in the cavity of the water accumulation groove along the circumferential direction of the water accumulation groove, and a storage hopper is placed in the separation frames.

As still further aspects of the utility model: the material placing hopper comprises a material placing frame, a material placing net frame is arranged between frames of the material placing frame, and two groups of lifting handles are symmetrically arranged on top frames of the material placing frame.

As still further aspects of the utility model: the number of the separation frames is the same as that of the water poking grooves, and the separation frames and the water poking grooves are in one-to-one correspondence.

As still further aspects of the utility model: the transmission mechanism comprises a driving motor arranged at the lower half part of the impurity removal box, a transmission belt connected to the output ends of the bottoms of the multiple groups of first transmission shafts and a transmission gear arranged at the output end of the bottom of the second transmission shaft, a driving gear meshed with the transmission gear is arranged at the output end of the upper half part of the driving motor, and the output end of the lower half part of the driving motor is connected with the transmission belt.

As still further aspects of the utility model: the bottom output of multiunit first transmission shaft all is provided with belt pulley B, driving motor's lower half output is provided with belt pulley A, and is connected through the drive belt between belt pulley A and the belt pulley B.

As still further aspects of the utility model: the fluted disc of the driving gear is one third of the fluted disc of the transmission gear.

As still further aspects of the utility model: the water injection pump communicated with the water accumulation groove is arranged at the lower half part of the box body of the impurity removal box at one side, and the water suction pump communicated with the water accumulation groove is arranged at the lower half part of the box body of the impurity removal box at the other side.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model corresponds to the combination of the material placing hopper and the separation frame, has simple and convenient taking and placing performance, and can carry out feeding, impurity removing and cleaning work by only placing the indium phosphide crystal into the material placing hopper and then into the separation frame by staff, and can take the indium phosphide crystal by only lifting the material placing hopper after impurity removing and cleaning are finished, so that the operation is convenient and efficient.

2. According to the utility model, the transmission mechanism drives the two groups of stirring blades of the impurity removal cleaning mechanism to synchronously operate, and by utilizing the synchronous operation of the two groups of stirring blades, water flow can be driven to carry out convection scouring type impurity removal cleaning work on indium phosphide crystals in the opposite hopper, so that on one hand, the cleaning and impurity removal efficiency can be improved, the cleaning and impurity removal time can be saved, and on the other hand, the cleaning and impurity removal comprehensiveness of the indium phosphide crystals can be ensured.

Drawings

FIG. 1 is a schematic diagram of an apparatus for removing impurities in indium phosphide crystal growth according to the present utility model;

FIG. 2 is a schematic plan view of an apparatus for removing impurities in an indium phosphide crystal growth process according to the present utility model;

FIG. 3 is a schematic view of the impurity removing and cleaning mechanism in the device for removing impurities in the growth of indium phosphide crystal according to the present utility model;

FIG. 4 is a schematic diagram of the structure of a driving mechanism in an indium phosphide crystal growth impurity-removing device according to the present utility model;

FIG. 5 is a schematic diagram of the structure of a hopper in an apparatus for removing impurities in an indium phosphide crystal growth process according to the present utility model.

In the figure: 1. a impurity removing box; 2. closing the end cover; 3. a water accumulation tank; 4. a water-shifting tank; 5. a first stirring blade; 6. a second stirring blade; 7. a partition frame; 8. a screen plate; 9. a hopper is arranged; 91. a material placing frame; 92. a lifting handle; 93. placing a material net frame; 10. a first drive shaft; 11. a second drive shaft; 12. a water injection pump; 13. a water pump; 14. a transmission gear; 15. a drive gear; 16. a driving motor; 17. a transmission belt; 18. a belt pulley A; 19. pulley B.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, an apparatus for removing impurities from indium phosphide crystal growth includes a impurity removing box 1, a impurity removing and cleaning mechanism is disposed at an upper half of the box body of the impurity removing box 1, the impurity removing and cleaning mechanism includes a water accumulation tank 3 disposed at an upper half of the box body of the impurity removing box 1, a plurality of groups of separation frames 7 wrapped outside the second stirring blades 6 and opposite to a notch of the water stirring tank 4 are circumferentially disposed in the cavity of the water accumulation tank 3, a material placing hopper 9 is disposed in the separation frames 7, the material placing hopper 9 includes a material placing frame 91, a material placing net frame 93 is disposed between frames of the material placing frame 91, two groups of lifting handles 92 are symmetrically disposed at a top frame of the material placing frame 91, when impurity removing and cleaning operations are performed on indium phosphide crystals by using the impurity removing apparatus, the indium phosphide crystals to be removed are placed in the material placing hopper 9, and after the impurity removing and cleaning operations are performed on the indium phosphide crystals, and after the impurity removing and cleaning operations on the indium phosphide crystals are completed, the material placing hopper 9 can be more efficient and convenient.

The water accumulation tank 3 is of an annular structure, the inner wall of the water accumulation tank 3 is provided with a plurality of groups of stirring tanks 4 along the circumferential direction of the water accumulation tank, the cavity of the stirring tanks 4 is internally provided with a first transmission shaft 10 in a rotating manner, the outer side of a shaft rod of the first transmission shaft 10 is sleeved with a first stirring blade 5, the middle part of the cavity of the water accumulation tank 3 is rotatably provided with a second transmission shaft 11, the outer side of the shaft rod of the second transmission shaft 11 is sleeved with a second stirring blade 6, the number of separation frames 7 is the same as that of the stirring tanks 4, the separation frames 7 and the stirring tanks 4 are in one-to-one correspondence with each other, in the process of impurity removal and cleaning of indium phosphide crystals by utilizing an impurity removal device, the synchronous operation of the first stirring blade 5 in the stirring tanks 4 and the second stirring blade 6 in the water accumulation tank 3 can drive water flow in a convection manner, so that the impurity removal and cleaning work of convection flushing type are carried out on the indium phosphide crystals in the opposite hopper 9.

The lower half part of the box body of the impurity removal box 1 is provided with a transmission mechanism, the transmission mechanism comprises a driving motor 16 arranged at the lower half part of the impurity removal box 1, a transmission belt 17 connected at the bottom output ends of a plurality of groups of first transmission shafts 10 and a transmission gear 14 arranged at the bottom output ends of the second transmission shafts 11, the upper half output ends of the driving motor 16 are provided with driving gears 15 meshed with the transmission gears 14, the lower half output ends of the driving motor 16 are connected with the transmission belt 17, the bottom output ends of the plurality of groups of first transmission shafts 10 are provided with belt pulleys B19, the lower half output ends of the driving motor 16 are provided with belt pulleys A18, the belt pulleys A18 are connected with the belt pulleys B19 through the transmission belt 17, the fluted disc size of the driving gears 15 is one third of the fluted disc size of the transmission gears 14, in the process of removing impurities and cleaning indium phosphide crystals by utilizing the impurity removing device, after the water adding of clean water is finished, the closed end cover 2 is closed, then the driving motor 16 starts to work, on one hand, the belt pulley A18 is driven to rotate, the belt pulley B19 is driven to rotate by utilizing the transfer transmission of the transmission belt 17, the first transmission shaft 10 is synchronously driven to rotate, the first stirring fan blade 5 is driven to rotate to stir and drive water flow, on the other hand, the driving gear 15 is driven to rotate, the second transmission shaft 11 is driven to rotate by the meshing transmission of the driving gear 15 and the transmission gear 14, the second stirring fan blade 6 is driven to rotate to stir and drive the water flow, so that the first stirring fan blade 5 and the second stirring fan blade 6 drive the clean water to perform convection type stirring and driving, and the indium phosphide crystals in the opposite hopper 9 are subjected to convection type scouring and impurity removing treatment by the screen 8.

The lower half part of the box body of the impurity removal box 1 is provided with a water injection pump 12 communicated with the water accumulation groove 3 at one side position, the lower half part of the box body of the impurity removal box 1 is provided with a water suction pump 13 communicated with the water accumulation groove 3 at the other side position, in the impurity removal and cleaning process of indium phosphide crystals by utilizing the impurity removal device, when the storage hopper 9 containing the indium phosphide crystals is sequentially placed into the separation frame 7, the water injection pump 12 works, clean water is pumped into the water accumulation groove 3 and the water stirring groove 4, impurity removal and cleaning water sources are provided for the indium phosphide crystals, and after impurity removal and cleaning are finished, the cleaned sewage is pumped out by utilizing the suction of the water suction pump 13.

The working principle of the utility model is as follows: when the impurity removing device is used for carrying out impurity removing and cleaning work on the indium phosphide crystal, the indium phosphide crystal to be subjected to impurity removing is placed in the placement hopper 9, then the placement hopper 9 containing the indium phosphide crystal is placed in the separation frame 7, impurity removing and cleaning work is carried out, after the placement hopper 9 containing the indium phosphide crystal is sequentially placed in the separation frame 7, the water injection pump 12 is operated, clean water is pumped into the water accumulation tank 3 and the water stirring tank 4, an impurity removing and cleaning water source is provided for the indium phosphide crystal, after the clean water is added, the closed end cover 2 is closed, then the driving motor 16 starts to work, on one hand, the belt pulley A18 is driven to rotate, the belt pulley B19 is driven to rotate by utilizing the transfer transmission of the transmission belt 17, the first transmission shaft 10 is synchronously driven to rotate, the first stirring blade 5 is driven to stir and rotate the water flow, on the other hand, the driving gear 15 is driven to rotate, the second stirring blade 6 is driven to stir and drive the water flow, the first stirring blade 5 and the second stirring blade 6 are driven to drive the clean the indium phosphide crystal to permeate through the opposite stirring hopper 8, and after the impurity removing and the indium phosphide crystal is washed out, and the impurity removing and the indium phosphide crystal is only required to be washed out after the indium phosphide crystal is placed in the placement hopper 9.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The device for removing impurities in the growth of the indium phosphide crystal comprises an impurity removing box (1) and is characterized in that an impurity removing and cleaning mechanism is arranged at the upper half part of a box body of the impurity removing box (1), and a transmission mechanism is arranged at the lower half part of the box body of the impurity removing box (1);

the utility model provides a edulcoration wiper mechanism, including seting up ponding groove (3) in edulcoration case (1) box upper portion, ponding groove (3) are annular structure, and the inner wall of ponding groove (3) is arranged along its circumference and is seted up multiunit and dial basin (4), the inside rotation of cavity of dialling basin (4) is connected with first transmission shaft (10), and the axostylus axostyle outside cover of first transmission shaft (10) is equipped with first stirring vane (5), the cavity middle part rotation of ponding groove (3) is connected with second transmission shaft (11), and the axostylus axostyle outside cover of second transmission shaft (11) is equipped with second stirring vane (6), the inside multiunit separation frame (7) of parcel in the outside of second stirring vane (6) just being to dialling basin (4) notch department of ponding is arranged along its circumference to the cavity inside of ponding groove (7), and separates hopper (9) have been placed to the inside of frame (7).

2. An indium phosphide crystal growth impurity-removing device as defined in claim 1, wherein the material-placing hopper (9) comprises a material-placing frame (91), a material-placing net frame (93) is installed between frames of the material-placing frame (91), and two groups of lifting handles (92) are symmetrically installed on top frames of the material-placing frame (91).

3. An indium phosphide crystal growth impurity-removing device as defined in claim 1, wherein the number of said partition frames (7) is the same as the number of said water-drawing grooves (4), and the partition frames (7) and the water-drawing grooves (4) are in one-to-one correspondence with each other.

4. An indium phosphide crystal growth impurity-removing device as defined in claim 1, wherein said transmission mechanism comprises a drive motor (16) mounted at the lower half of the impurity-removing box (1), a transmission belt (17) connected to the bottom output ends of the plurality of sets of first transmission shafts (10) and a transmission gear (14) mounted at the bottom output ends of the second transmission shafts (11), the upper half output end of said drive motor (16) is provided with a drive gear (15) meshed with said transmission gear (14), and the lower half output end of said drive motor (16) is connected to said transmission belt (17).

5. An indium phosphide crystal growth impurity-removing device as defined in claim 4, wherein the bottom output ends of the plurality of groups of the first transmission shafts (10) are each provided with a belt pulley B (19), the lower half output end of the driving motor (16) is provided with a belt pulley a (18), and the belt pulleys a (18) and B (19) are connected by a transmission belt (17).

6. An indium phosphide crystal growth impurity-removing device as defined in claim 4, wherein the toothed disc of said drive gear (15) is one third of the toothed disc of said transmission gear (14).

7. An indium phosphide crystal growth impurity removal device according to claim 1, characterized in that a water injection pump (12) communicated with the water accumulation tank (3) is installed at one side position of the lower half part of the impurity removal tank (1), and a water suction pump (13) communicated with the water accumulation tank (3) is installed at the other side position of the lower half part of the impurity removal tank (1).