阅读说明：本技术 一种单晶炉籽晶酸洗装置 (Single crystal furnace seed crystal pickling device ) 是由 陈志谋 于 2021-07-06 设计创作，主要内容包括：本发明属于籽晶处理设备技术领域,提供了一种单晶炉籽晶酸洗装置,底座,用于固定和安装；酸洗腔,固定安装在所述底座的顶部一侧,所述酸洗腔设置为柱状结构；籽晶放置机构,环形转动设置在酸洗腔的内部,用于放置待酸洗的籽晶；喷洒机构,自由摆动的设置在所述酸洗腔的中顶部,用于对置于籽晶放置机构内部的籽晶进行旋转喷洒,其将喷洒机构与籽晶放置机构设置为相反的旋转方向,进而便于对籽晶放置机构内部的籽晶进行充分的喷洒清洗。(The invention belongs to the technical field of seed crystal treatment equipment, and provides a seed crystal pickling device of a single crystal furnace, which comprises a base, a pickling device and a pickling device, wherein the base is used for fixing and mounting; the pickling chamber is fixedly arranged on one side of the top of the base and is of a columnar structure; the seed crystal placing mechanism is annularly and rotatably arranged inside the pickling cavity and is used for placing seed crystals to be pickled; the spraying mechanism is arranged at the middle top of the pickling cavity in a free swinging mode and used for rotationally spraying the seed crystals placed in the seed crystal placing mechanism, the spraying mechanism and the seed crystal placing mechanism are arranged in opposite rotating directions, and therefore the seed crystals in the seed crystal placing mechanism can be conveniently sprayed and cleaned fully.)

1. The single crystal furnace seed crystal pickling device is characterized by comprising the following components:

the base is used for fixing and mounting;

the pickling chamber is fixedly arranged on one side of the top of the base and is of a columnar structure;

the seed crystal placing mechanism is annularly and rotatably arranged inside the pickling cavity;

the spraying mechanism is arranged at the middle top of the pickling cavity in a free swinging mode, and the spraying mechanism and the seed crystal placing mechanism are arranged in opposite rotating directions;

and the power mechanism is arranged on the outer side wall of the pickling cavity at the same height as the seed crystal placing mechanism.

2. The seed crystal pickling device of the single crystal furnace as claimed in claim 1, wherein a pickling solution discharge passage with a horn-shaped structure is arranged in the pickling chamber right below the spraying mechanism.

3. The single crystal furnace seed crystal pickling device of claim 1, wherein the seed crystal placing mechanism comprises a group of seed crystal placing boxes in an annular structure, one surface of each seed crystal placing box, facing the inner side wall of the pickling cavity, is fixedly provided with two groups of rotating rails, and the rotating rails are slidably connected in rotating grooves formed in the inner side wall of the pickling cavity.

4. The single crystal furnace seed crystal pickling device of claim 1, wherein the power mechanism comprises a power cavity fixed on the outer side wall of the pickling cavity, a first servo motor is arranged inside the power cavity, the output end of the first servo motor is rotatably connected with a driving tooth, one side of the driving tooth facing the inside of the pickling cavity is meshed with a set of tooth rows fixed on the side wall of the seed crystal placing box, and the tooth rows movably penetrate through the side wall of the pickling cavity.

5. The single crystal furnace seed crystal pickling device of claim 3, wherein a plurality of seed crystal fixing cavities with columnar structures are uniformly formed in the seed crystal placing box, and the cavity walls of the seed crystal fixing cavities are all of a grid structure.

6. The single crystal furnace seed crystal pickling device of claim 5, wherein the top of the seed crystal fixing cavity is open, and a circle of buffer ring is arranged on the inner side wall of the opening; the inner bottom of the seed crystal fixing cavity is provided with a rolling base, the rolling base comprises a ball rotatably arranged at the bottom of the seed crystal fixing cavity, and the top of the ball is provided with a limiting groove of a rectangular structure.

7. The single crystal furnace seed crystal pickling device of claim 1, wherein the spraying mechanism comprises a fixing plate fixed at the top in the pickling cavity, a second servo motor is fixedly installed at the bottom of the fixing plate, mounting frames of L-shaped structures are symmetrically installed on two sides of the second servo motor, an output end of the second servo motor is rotatably connected with a swinging block of a U-shaped structure, the tail end of the swinging block is rotatably connected with a pickling cylinder, a circle of uniformly distributed water spray guns is arranged on the lower portion of the side wall of the pickling cylinder, a swinging frame sleeved with a set of rectangular structures is rotatably arranged at the middle height position of the pickling cylinder, and two sides of the swinging frame are rotatably connected to the mounting frames at corresponding positions.

8. The single crystal furnace seed crystal pickling device of claim 7, wherein a group of liquid storage barrels are arranged inside the pickling barrel, and the bottom of the liquid storage barrels is communicated with a plurality of branch pipes with tail ends communicated with a water spray gun.

9. The single crystal furnace seed crystal pickling device of claim 2, wherein one side of the bottom of the pickling solution discharge channel is communicated with a return pipe, the tail end of the return pipe extends to one side of the pickling barrel, a booster pump for pumping pickling solution in the pickling solution discharge channel into the return pipe is arranged on the return pipe, the top end of the return pipe is communicated with a group of telescopic pipes, the tail ends of the telescopic pipes are detachably communicated with a connecting valve arranged on the outer side of the pickling barrel, and the inside of the connecting valve is communicated with a liquid storage barrel.

10. The seed crystal pickling device of the single crystal furnace as claimed in claim 9, wherein a layer of filter screen for filtering the used pickling solution is arranged in the middle of the pickling solution discharge channel.

Technical Field

The invention belongs to the technical field of seed crystal treatment equipment, and particularly relates to a seed crystal pickling device of a single crystal furnace.

Background

In the solar photovoltaic field, whether the silicon material is cleaned or not is related to the quality of the product, and the completeness of the seed crystal is particularly important in the ingot casting of the mono-like silicon ingot.

What is very important in the ingot casting technology of the mono-like silicon ingot is how to manufacture low-damage seed crystals, however, in the current production, before the seed crystals in the mono-crystalline furnace are processed and produced, the seed crystals need to be pickled, but the existing pickling device ensures that the seed crystals are not damaged when the seed crystals are cleaned, but the pickling force quality is insufficient, the quality of the subsequent seed crystal growth is influenced, and therefore the pickling device capable of solving the problems needs to be designed.

Disclosure of Invention

The embodiment of the invention aims to provide a seed crystal pickling device for a single crystal furnace, and aims to solve the problem of insufficient pickling quality.

The invention is realized in such a way that the base is used for fixing and mounting;

the pickling chamber is fixedly arranged on one side of the top of the base and is of a columnar structure;

the seed crystal placing mechanism is annularly and rotatably arranged inside the pickling cavity and is used for placing seed crystals to be pickled;

the spraying mechanism is arranged at the middle top of the pickling cavity in a free swinging manner and is used for rotationally spraying the seed crystals in the seed crystal placing mechanism, and the spraying mechanism and the seed crystal placing mechanism are arranged in opposite rotating directions, so that the seed crystals in the seed crystal placing mechanism can be fully sprayed and cleaned;

the power mechanism is arranged on the outer side wall of the pickling cavity at the same height as the seed crystal placing mechanism and is used for driving the seed crystal placing mechanism to rotate;

wherein, through arranging the seed crystal of treating the pickling in the inside of seed crystal placement mechanism, then drive the seed crystal placement mechanism through starting power mechanism and rotate, start simultaneously that spray mechanism and seed crystal placement mechanism opposite direction rotate, then rotate the pickling solution that sprays to the inside seed crystal of seed crystal placement mechanism, realize even high efficiency's pickling mode.

As a preferred embodiment of the invention, a pickling solution discharge channel with a horn-shaped structure is arranged in the pickling chamber right below the spraying mechanism.

The seed crystal placing mechanism as a preferred embodiment of the invention comprises a group of seed crystal placing boxes with annular structures, wherein one surface of each seed crystal placing box, which faces to the inner side wall of the pickling cavity, is fixedly provided with two groups of rotating rails, and the rotating rails are slidably connected in a rotating groove formed in the inner side wall of the pickling cavity.

As a preferred embodiment of the invention, the power mechanism comprises a power cavity fixed on the outer side wall of the pickling cavity, a group of first servo motors is arranged inside the power cavity, the output ends of the first servo motors are rotatably connected with driving teeth, one side of the driving teeth, facing the inside of the pickling cavity, is meshed with a group of tooth rows fixed on the side wall of the seed crystal placing box, and the tooth rows movably penetrate through the side wall of the pickling cavity.

As a preferred embodiment of the present invention, a plurality of seed crystal fixing cavities with columnar structures are uniformly formed in the seed crystal placing box, and the cavity walls of the seed crystal fixing cavities are all arranged in a grid structure.

As a preferred embodiment of the invention, the top of the seed crystal fixing cavity is arranged in an opening shape, and the inner side wall of the opening is provided with a circle of buffer ring; the inner bottom of the seed crystal fixing cavity is provided with a rolling base, the rolling base comprises a ball rotatably arranged at the bottom of the seed crystal fixing cavity, and the top of the ball is provided with a limiting groove of a rectangular structure.

As a preferred embodiment of the invention, the spraying mechanism comprises a fixed plate fixed at the top in the pickling cavity, a second servo motor is fixedly installed at the bottom of the fixed plate, mounting frames with L-shaped structures are symmetrically installed on two sides of the second servo motor, the output end of the second servo motor is rotatably connected with a swinging block with a U-shaped structure, the tail end of the swinging block is rotatably connected with a pickling cylinder, a circle of uniformly distributed water spray guns is arranged on the lower portion of the side wall of the pickling cylinder, a group of swinging frames with rectangular structures are rotatably sleeved at the middle height position of the pickling cylinder, and two sides of each swinging frame are rotatably connected to the mounting frames at corresponding positions.

As a preferred embodiment of the invention, a group of liquid storage barrels are arranged inside the pickling barrel, and the bottom of the liquid storage barrel is communicated with a plurality of branch pipes of which the tail ends are communicated with a water spray gun.

As a preferred embodiment of the present invention, one side of the bottom of the pickling solution discharge channel is communicated with a return pipe, the tail end of which extends to one side of the pickling cylinder, the return pipe is provided with a booster pump for pumping the pickling solution in the pickling solution discharge channel into the return pipe, the top end of the return pipe is communicated with a group of telescopic pipes, the tail ends of the telescopic pipes are detachably communicated with a connecting valve arranged outside the pickling cylinder, and the interior of the connecting valve is communicated with the liquid storage barrel.

In another preferred embodiment of the present invention, a filter screen for filtering the used pickling solution is disposed in the middle of the pickling solution discharge passage.

According to the single crystal furnace seed crystal pickling device provided by the invention, the rotatable seed crystal placing mechanism is arranged in the pickling cavity and then is matched with the spraying mechanism with the reverse rotation direction, and the pickling solution is used for spraying and washing the seed crystal in the seed crystal placing mechanism, so that the washing quality of the seed crystal is effectively improved; the seed crystal placing mechanism is internally provided with the plurality of seed crystal fixing cavities which are uniformly distributed, the bottom of each seed crystal fixing cavity is provided with the rotatable rolling base and the buffer ring with the top buffer function, so that the device is ensured to store a large number of seed crystals and has higher safety when pickling the seed crystals; through set up the back flow with a pickling section of thick bamboo intercommunication in the bottom of pickling bath discharge passage, be convenient for see reuse down to the pickling bath to the utilization ratio of this device resource is effectually improved.

Drawings

FIG. 1 is a schematic diagram of the front view internal structure of a single crystal furnace seed pickling device.

FIG. 2 is a schematic structural diagram of a seed crystal placing mechanism in a seed crystal pickling device of a single crystal furnace.

FIG. 3 is a schematic view of a connection structure of a seed crystal placing mechanism and a power mechanism in a seed crystal pickling device of a single crystal furnace.

FIG. 4 is a schematic structural diagram of a spraying mechanism in a seed crystal pickling device of a single crystal furnace;

FIG. 5 is a schematic diagram of the internal structure of a pickling barrel in a seed crystal pickling device of a single crystal furnace;

FIG. 6 is an enlarged schematic view of A1 in FIG. 2;

in the drawings: 10-base, 11-pickling chamber, 12-booster pump, 13-seed crystal placing mechanism, 14-spraying mechanism, 15-power mechanism, 16-pickling solution discharging channel, 17-seed crystal placing box, 18-seed crystal fixing chamber, 20-buffer ring, 21-rolling base, 22-ball, 23-limiting groove, 24-rotating track, 25-rotating groove, 26-tooth row, 27-driving tooth, 28-servo motor I, 29-mounting frame, 30-fixing plate, 31-servo motor II, 32-swinging block, 33-pickling barrel, 34-swinging frame, 35-water spray gun, 36-connecting valve, 37-liquid storage barrel, 39-branch pipe, 40-return pipe, 41-filter screen and 42-telescopic pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a structure diagram of a seed crystal pickling apparatus of a single crystal furnace provided in an embodiment of the present invention includes: the seed crystal pickling device comprises a base 10, wherein a pickling cavity 11 is fixedly installed on one side of the top of the base 10, the pickling cavity 11 is of a columnar structure, the top of the pickling cavity 11 is communicated with a single crystal furnace, and after pickling treatment is carried out on seed crystals through the pickling cavity 11, the seed crystals are placed in the single crystal furnace for growth; a circle of seed crystal placing mechanism 13 with an annular structure is rotatably arranged inside the pickling cavity 11, and seed crystals to be pickled are placed inside the seed crystal placing mechanism 13; a group of spraying mechanisms 14 capable of swinging freely is arranged at the middle top of the pickling chamber 11, seed crystals placed in the seed crystal placing mechanism 13 are sprayed in a rotating mode through the spraying mechanisms 14, and the spraying mechanisms 14 and the seed crystal placing mechanism 13 are set to rotate in opposite directions, so that the seed crystals in the seed crystal placing mechanism 13 can be sprayed and cleaned fully; a pickling solution discharge channel 16 with a horn-shaped structure is arranged in the pickling chamber 11 under the spraying mechanism 14, and the sprayed pickling solution is stored through the pickling solution discharge channel 16; a group of power mechanisms 15 for driving the seed crystal placing mechanism 13 to rotate are arranged on the outer side wall of the pickling cavity 11 at the same height as the seed crystal placing mechanism 13;

wherein, through the seed crystal of treating the pickling place the inside of mechanism 13 in the seed crystal, then drive seed crystal placement mechanism 13 through starting power mechanism 15 and rotate, start simultaneously that spray mechanism 14 rotates with the opposite direction of seed crystal placement mechanism 13, then rotate the seed crystal of seed crystal placement mechanism 13 inside and spray the pickle, realize even high efficiency's pickling mode.

Referring to fig. 1-3, in the embodiment of the present invention, the seed crystal placing mechanism 13 includes a set of seed crystal placing box 17 having an annular structure, one surface of the seed crystal placing box 17 facing the inner side wall of the pickling chamber 11 is fixedly installed with two sets of rotating rails 24, the rotating rails 24 are slidably connected in a rotating groove 25 formed in the inner side wall of the pickling chamber 11, and the sliding of the seed crystal placing box 17 in the pickling chamber 11 is realized by the sliding connection of the rotating rails 24 and the rotating groove 25;

the power mechanism 15 comprises a power cavity fixed on the outer side wall of the pickling cavity 11, a group of servo motors I28 is arranged inside the power cavity, the output ends of the servo motors I28 are connected with driving teeth 27 in a rotating mode, one side, facing the inside of the pickling cavity 11, of each driving tooth 27 is meshed with a group of tooth rows 26 fixed on the side wall of the seed crystal placing box 17, the tooth rows 26 penetrate through the side wall of the pickling cavity 11 in a moving mode, the driving teeth 27 are driven to rotate by starting the servo motors I28 in an operating mode, and then the tooth rows 26 are driven to drive the whole seed crystal placing box 17 to rotate.

As a preferred embodiment of the present invention, a plurality of seed crystal fixing cavities 18 with a columnar structure are uniformly formed in the seed crystal placing box 17, the seed crystal to be pickled can be safely stored through the seed crystal fixing cavities 18, and the cavity walls of the seed crystal fixing cavities 18 are all arranged in a grid structure, so that the pickling solution can wash the seed crystal in all directions. In order to improve the storage safety of the seed crystal arranged in the seed crystal fixing cavity 18, the top of the seed crystal fixing cavity 18 is arranged to be open, a circle of buffer ring 20 is arranged on the inner side wall of the opening, and the buffer performance of the seed crystal contacting with the inner wall of the opening is improved by the buffer ring 20.

Referring to fig. 6, as a preferred embodiment of the present invention, a rolling base 21 is disposed at the inner bottom of the seed crystal fixing cavity 18, the rolling base 21 includes a ball 22 rotatably disposed at the inner bottom of the seed crystal fixing cavity 18, a limiting groove 23 having a rectangular structure is disposed at the top of the ball 22, the seed crystal disposed in the seed crystal fixing cavity 18 is limited in position by the limiting groove 23, and then the seed crystal is rotated by the rolling action of the ball 22 when being washed by the pickling solution, so that the seed crystal can be washed in various directions and the impact force of the pickling solution on the seed crystal can be reduced by the rotation action, thereby improving the safety.

Referring to fig. 1, 4 and 5, as a preferred embodiment of the present invention, the spraying mechanism 14 includes a fixing plate 30 fixed at the top inside the pickling chamber 11, a second servo motor 31 is fixedly installed at the bottom of the fixing plate 30, mounting frames 29 of L-shaped structures are symmetrically installed at both sides of the second servo motor 31, an output end of the second servo motor 31 is rotatably connected with a swing block 32 of a similar U-shaped structure, a pickling cylinder 33 is rotatably connected to a tail end of the swing block 32, a circle of uniformly distributed water spray guns 35 are disposed at a lower portion of a side wall of the pickling cylinder 33, a group of swing frames 34 of a rectangular structure are rotatably sleeved at a middle height position of the pickling cylinder 33, both sides of the swing frames 34 are rotatably connected to the mounting frames 29 at corresponding positions, so that the swing frame 33 is driven to rotate by starting the second servo motor 31, and then the swing block 32 is driven to drive the pickling cylinder 33 to rotate, thereby realizing left-right circular swing of the pickling cylinder 33, the pickling solution is then sprayed toward the seed crystal placing mechanism 13 inside the pickling chamber 11 by the water spray gun 35.

A group of liquid storage barrels 37 are arranged inside the pickling barrel 33, the bottom of each liquid storage barrel 37 is communicated with a plurality of branch pipes 39 with tail ends communicated with the water spray guns 35, and the pickling liquid inside the liquid storage barrels 37 is sprayed outwards and output through the transmission of the branch pipes 39;

as a preferred embodiment of the present invention, one side of the bottom of the pickling solution discharge channel 16 is communicated with a return pipe 40, the tail end of which extends to one side of the pickling cylinder 33, the return pipe 40 is provided with a booster pump 12 for pumping the pickling solution in the pickling solution discharge channel 16 into the return pipe 40, the top end of the return pipe 40 is communicated with a set of telescopic pipes 42, the tail ends of the telescopic pipes 42 are detachably communicated with a connecting valve 36 arranged outside the pickling cylinder 33, the inside of the connecting valve 36 is communicated with a liquid storage tank 37, and the repeated use of the pickling solution is realized through the communication effect of the return pipe 40, the telescopic pipes 42 and the connecting valve 36;

in another preferred embodiment of the present invention, a filter screen 41 for filtering the used pickling solution is disposed in the middle of the pickling solution discharge passage 16.

The seed crystal pickling device for the single crystal furnace is provided in the embodiment of the invention, the seed crystal to be cleaned is placed in the seed crystal fixing cavity 18, the buffer ring 20 at the top of the seed crystal fixing cavity 18 is used for protecting the top of the seed crystal, the servo motor second 31 with the rotatable bottom provides the rotation capacity, the safety of the seed crystal is fully ensured, the servo motor first 28 is started to operate to drive the driving teeth 27 to rotate, then the seed crystal placing box 17 is driven to rotate under the meshing with the tooth row 26, the servo motor second 31 is started to operate to drive the pickling cylinder 33 to circularly drive the pickling cylinder 33 and the seed crystal placing box 17 to rotate in opposite directions, then the pickling solution in the inner liquid storage barrel 37 is sprayed outwards towards the seed crystal in the seed crystal fixing cavity 18 by using the plurality of water spray guns 35 at the lower side of the pickling solution placing barrel 33, the quick washing is realized, and the pickling solution input into the pickling solution discharge channel 16 is conveyed under the backflow of the backflow pipe 40, the pickling solution is reused by connecting the bellows 42 to the connection valve 36.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.