CN212581011U - Unloader is used to filling silicon material - Google Patents

Unloader is used to filling silicon material Download PDF

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Publication number
CN212581011U
CN212581011U CN202021523964.1U CN202021523964U CN212581011U CN 212581011 U CN212581011 U CN 212581011U CN 202021523964 U CN202021523964 U CN 202021523964U CN 212581011 U CN212581011 U CN 212581011U
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China
Prior art keywords
charging
funnel
blanking
end surface
silicon material
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CN202021523964.1U
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Chinese (zh)
Inventor
乔飞
姜一波
骞金磊
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Inner Mongolia Zhonghuan Crystal Materials Co Ltd
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Inner Mongolia Zhonghuan Solar Material Co Ltd
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Abstract

The utility model provides an unloader for filling silicon material for to charging barrel filling silicon material, arrange in including charging portion and a plurality of charging portion below and with the unloading portion of charging barrel intercommunication, charging portion can follow its length direction and slide and continuous interval ground to each the unloading portion feeds. The utility model has the advantages that: silicon material can fall into the charging cylinder accurately in, the filling is efficient and the filling is of high quality, and the linking between terminal surface and the unloading portion inboard is joined in marriage well under the portion of loading, can effectively reduce the material risk of falling, also reduces the contaminated probability of silicon material.

Description

Unloader is used to filling silicon material
Technical Field
The utility model belongs to the technical field of single crystal pulling charging equipment auxiliary component, especially, relate to a unloader for filling silicon material.
Background
The single crystal needs to be charged before being pulled, and the charging is carried out manually in the prior art, but the working efficiency of the manual charging is low, the environment is polluted, the dust and the material are leaked, the utilization rate of silicon materials is low, and the operation safety is poor. Automatic material machine of irritating of current design, nevertheless because the structural design between feeding and the unloading funnel is unreasonable, block the material easily when leading to the unloading, the silicon material overflow that leads to getting into in the funnel scatters, and low and the external impurity of introducing easily of production efficiency seriously restricts the production progress.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide an unloader is used to filling silicon material, automatic filling machine and the transition of a charging barrel link up the structure, have solved among the prior art because structural design unreasonable technical problem who leads to easy card material, flash.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the blanking device for filling silicon materials is used for filling silicon materials into a charging barrel and comprises a charging part and a plurality of blanking parts which are arranged below the charging part and communicated with the charging barrel, wherein the charging part can slide along the length direction of the charging part and continuously and intermittently charge the blanking parts.
The feeding device is characterized by further comprising two symmetrical and spaced feeding parts, wherein the feeding parts are arranged side by side along the length direction of the charging part, and each feeding part is independently connected with the charging barrel.
Further, the blanking part comprises a funnel and a tray which is arranged on the lower end face of the funnel and communicated with the funnel, wherein the cross section area of the upper end of the funnel is larger than the cross section area of the lower end of the funnel; the tray is matched with the upper end surface of the charging barrel.
Furthermore, the upper end face of the funnel is an inclined plane and is inclined towards one side of the adjacent blanking part.
Furthermore, the lower end face of the funnel is arranged in any semicircle of the tray, the lower end face of the funnel and a falling hole communicated with the tray are of a semicircular structure, and the diameter of the falling hole is parallel to the diameter of the tray and close to one side of the circle center of the tray.
Furthermore, the lower end face of the funnel is matched with the falling hole.
Furthermore, both sides of the length direction of the funnel are arc-shaped surface structures protruding towards the center of the funnel.
Furthermore, an extension pipe is further arranged below the tray and is communicated with the lower end face of the funnel.
Further, the charging part comprises a charging shell and a material head communicated with the charging shell, wherein the material head is an inverted cone-shaped shell, the large end face of the material head is close to one end of the charging shell, and the material head moves along the length direction of the charging shell.
Furthermore, the stub bar is arranged in the upper end surface of the blanking part, and the lower end surface of the stub bar is arranged in an inclined manner relative to the outer side surface of the blanking part in the length direction of the blanking part.
Compared with the prior art, adopt above-mentioned technical scheme, silicon material can fall into the charging cylinder accurately in, the filling is efficient and the filling quality is good, and the linking between terminal surface and the unloading portion inboard is joined in marriage well under the portion of charging, can effectively reduce the material risk of falling, also reduces silicon material contaminated probability.
Drawings
Fig. 1 is a schematic structural view of a blanking device according to an embodiment of the present invention;
fig. 2 is a side view of a blanking portion according to an embodiment of the present invention;
fig. 3 is a plan view of a blanking portion according to an embodiment of the present invention;
fig. 4 is a bottom view of the blanking portion according to an embodiment of the present invention.
In the figure:
100. charging part 110, charging shell 120 and stub bar
200. Blanking part 210, funnel 220 and tray
230. Extension pipe 240, blanking hole 300 and charging barrel
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment provides a blanking device for filling silicon material, as shown in fig. 1, the device for filling silicon material into charging cylinders 300 comprises a charging part 100 and a plurality of blanking parts 200 which are arranged under the charging part 100 and communicated with the charging cylinders 300, the charging part 100 can slide along the length direction thereof and continuously and intermittently charge the blanking parts 200, so that each charging cylinder 300 is filled with silicon material.
In this embodiment, the blanking device comprises a charging portion 100 and two symmetrical and spaced blanking portions 200, the blanking portions 200 are arranged side by side along the length direction of the charging portion 100, and each blanking portion 200 is independently connected with a charging barrel 300. One charging part 100 corresponds to two blanking parts 200 and the stub bar 120 of the silicon discharging material in the charging part 100 can swing left and right along the length direction of the charging part 100 and continuously charge to two groups of blanking parts 200 at intervals, so that each group of blanking parts 200 has enough buffering blanking time, material overflow is avoided, and the charging efficiency and the utilization rate of the filling machine equipment can be improved.
Further, the charging part 100 comprises a charging shell 110 and a stub bar 120 which is communicated with the charging shell 110, silicon materials are continuously conveyed into the charging shell 110 through a conveying belt, and then the silicon materials are filled into a funnel 210 in the blanking part 200 through the stub bar 120 and then enter a charging barrel 300. The charging shell 110 is of a cuboid structure, and in order to ensure that sufficient silicon materials are stored in the charging shell 110, the length of the charging shell 110 is not less than the distance between the outer side surfaces of the adjacent hoppers 210; the stub bar 120 is an inverted cone-shaped shell, and the large end face of the stub bar 120 is arranged near one end of the charging shell 110, the stub bar 120 can move left and right along the length direction of the charging shell 110, that is, the matching mode of arranging a sliding track matched with the stub bar 120 on the inner side face of the charging shell 110 is a common structure in the field, and the drawings are omitted here.
Further, in order to ensure that the silicon material from the stub bar 120 is not splashed out of the hopper 210 and is completely poured into the charging barrel 300, it is required that the lower end surface of the stub bar 120 is placed in the upper end surface of the hopper 210 in the blanking portion 200, and the lower end surface of the stub bar 120 is disposed obliquely with respect to the outer side surface of the hopper 210 in the longitudinal direction of the blanking portion 200. That is, when charging into the charging barrel 300 on the left side, the lower opening end of the stub bar 120 is inclined towards one side of the outer side surface of the funnel 210, and because the height of the outer side wall surface of the funnel 210 is greater than the height of the inner side wall surface, the lower opening end of the stub bar 120 can be close to the high-end side surface of the funnel 210, so that silicon powder dust and silicon material can be prevented from splashing, and the silicon material does not directly and vertically fall into the discharging hole 230 of the lower end surface of the funnel 210, the flowing distance of the silicon material in the funnel 210 is indirectly increased, the downward buffering time of the silicon material is improved, the silicon material is ensured to be completely charged into the charging barrel, and the silicon material filling effect is improved.
As shown in fig. 2, the blanking portion 200 includes a funnel 210, a tray 220 disposed on a lower end surface of the funnel 210 and in communication with the funnel 210, and an extension pipe 230 disposed below the tray 220, wherein the extension pipe 230 is in communication with a lower end surface of the funnel 210, i.e., in communication with a blanking hole 240 disposed on the tray 220, a lower end surface of the funnel 210 is fitted with the blanking hole 240, and the tray 220 is fitted with an upper end surface of the charging barrel 300.
Further, in order to ensure that the stub bar 120 can continuously swing left and right without being blocked and fill the adjacent hoppers 210, the upper end surfaces of the hoppers 210 are inclined and are all inclined towards one side of the adjacent blanking portion 200. In this embodiment, the upper end surface of the funnel 210 is circular or quadrilateral, and the lower end surface is circular or quadrilateral, that is, both the upper end surface and the lower end surface of the funnel 210 may be circular or quadrilateral; or the upper end surface of the funnel 210 is circular and the lower end surface thereof is quadrangular; or the funnel 210 may have a quadrangular upper end surface and a circular lower end surface. No matter the upper end surface and the lower end surface of the funnel 210 are in any shape, the cross-sectional area of the upper end surface of the funnel must be ensured to be larger than that of the lower end surface of the funnel, and the two funnels 210 are in inverted frustum structures which are symmetrically arranged adjacently. Meanwhile, in order to ensure that the lower end surface of the funnel 210 is matched with the dropping hole 240, finishing is required to be carried out on the inner side of the lower end surface of the funnel 210, so that the lower end surface of the funnel 210 is completely connected with the dropping hole 240 in an undifferentiated contact manner, and the silicon material completely freely slides into the charging barrel 300 without obstruction.
Preferably, both sides of the length direction of the funnel 210 are arc-shaped surface structures protruding towards the center of the funnel 210, so that the falling of the silicon material is facilitated, and the silicon material is accelerated to fall downwards. The circular tray 220 matched with the upper port of the charging barrel 300 not only can support the placement of the funnel 210, but also can adjust the position of the funnel 210 according to the placement condition of the silicon material in the charging barrel 300 so as to adjust the position of the silicon material falling into the charging barrel 300, and the adjustment is convenient without influencing filling and blanking.
As shown in fig. 3-4, the lower end surface of the funnel 210 is disposed in any semicircle of the tray 220, the dropping hole 240 of the lower end surface of the funnel 210, which is communicated with the tray 220, is a semicircular structure, and the diameter of the dropping hole 240 is parallel to the diameter of the tray 220 and is disposed near one side of the center of the tray 220. This is because the charging barrel 300 is a re-feeding device, and the center of the charging barrel 300 is provided with a pulling shaft, so that the center of the tray 220 is provided with a through hole which is penetrated by the pulling shaft on the charging barrel 300, and the position of the funnel 210 must avoid the pulling shaft, that is, the charging barrel 300 is filled in the semicircular ring of the tray 220, so the lower end surface of the funnel 210 is arranged in any semicircular ring of the tray 220.
A discharging method of a filling machine adopts the discharging device, and comprises the following steps:
in operation, the charging unit 100 charges the charging cylinder 300 corresponding to each of the discharging units 200 at a predetermined time interval until the charging cylinder 300 is filled with the silicon material, and then stops charging.
S1: specifically, the charging portion 100 charges only two adjacent charging barrels 300 every time silicon material is charged. Two charging barrels 300 with the same specification are selected to be arranged in parallel at intervals, meanwhile, a blanking part 200 is arranged on each charging barrel 300, and the funnels 210 in two adjacent blanking parts 200 are oppositely arranged, namely, the bottom parts of the inclined planes in the funnels 210 are adjacently and oppositely arranged, and the high parts of the inclined planes in the funnels 210 are arranged on one side of the outer side wall.
S2: during blanking, the stub bar 120 is moved to the hopper 210 corresponding to the charging barrel 300 at one end of the left side to be butted, the lower port of the stub bar 120 is arranged towards one long side of the hopper 210 at the left side, and the silicon material in the charging shell 110 is controlled to be charged into the charging barrel 300 at the left side through the stub bar 120 and the hopper 210 within a set time.
S3: after the charging is finished, controlling the stub bar 120 to slide to the right charging barrel 300, and enabling the stub bar 120 to be in butt joint with the hopper 210 corresponding to the right charging barrel 300, wherein the lower end opening of the stub bar 120 is arranged towards one side of the long side surface of the right hopper 210; during the interval, the filling machine continues to accumulate the silicon material into the charging shell 110, and after the stub bar 120 is stabilized, the charging shell 110 is opened and the silicon material falls into the hopper 210 through the stub bar 120 and flows into the right charging barrel 300.
S4: readjusting the stub bar 120 and returning it to the position of the left charging barrel 300, repeating the step S2, and continuing to charge the left charging barrel 300; the stub bar 120 is readjusted and moved to the right cartridge 300 position, and the step S3 is repeated, and the right cartridge 300 is continuously charged.
Steps S2 and S3 are repeated until the charging work of the two cartridges 300 is completed.
The weight and filling time of each filling of silicon material are the same, and the weight of each filling of silicon material is 8-15% of the total weight of the silicon material in the charging barrel 300 due to the limitation of the size of the blanking hole 240 in the hopper 210. If the weight of the silicon material filled in each time is less than 8% of the weight of the whole silicon material in the charging barrel 300, the quantity of the silicon material discharged in each time is small, and more times of reciprocating interval discharging are needed, so that the utilization rate of a discharging device is low, the discharging time needs to be prolonged, and the charging cost is indirectly increased; if the weight of the silicon material filled in each time accounts for more than 15% of the weight of the whole silicon material in the charging barrel 300, the carrying capacity of the hopper 210 matched with the charging barrel 300 is exceeded, meanwhile, the size of the discharging hole 240 is limited due to the limited area of the tray 220 matched with the diameter of the charging barrel 300, excessive silicon material accumulation can cause the material clamping of the discharging hole 240, the silicon material is not beneficial to falling, and the charging efficiency is influenced. Preferably, the weight of the silicon material filled in each time accounts for 8-15% of the total weight of the silicon material in the charging barrel 300, so that the problem of material blockage is solved, the utilization rate of the funnel 210 can be utilized to the maximum extent, and the charging time is saved.
In this embodiment, the charging time can be set by itself, and the height and weight of the descending silicon material need to be considered, and is not particularly limited.
1. The utility model provides a unloader and unloading method can make silicon material fall into the charging barrel accurately in, and the filling is efficient and filling is of high quality, and the linking between terminal surface and the unloading portion inboard is joined in marriage under the portion of feeding, can effectively reduce the material risk of falling, also reduces the contaminated probability of silicon material.
2. The hopper comprises two feeding parts of inverted frustum-shaped structure hoppers which are symmetrically arranged adjacently, the upper end surfaces of the hoppers are of an inclined structure and are arranged obliquely towards one adjacent side surface, and the structure is beneficial to left and right feeding of the feeding parts and continuous swinging without blocking; meanwhile, the two side surfaces of the funnel in the length direction are arc-shaped surface structures protruding towards one side of the center of the funnel, so that the silicon material falls more favorably, and the silicon material falls down more quickly.
3. Still be equipped with the circular tray with charging barrel port looks adaptation at the lower terminal surface of funnel, not only can support placing of funnel but also can adjust the position of funnel according to the condition of placing of silicon material in the charging barrel to the position in adjustment silicon material whereabouts to the charging barrel, the adjustment is convenient and does not influence the filling unloading.
4. Meanwhile, the stub bar of the charging part can slide left and right along the length direction of the charging shell, namely the length direction of the adjacent discharging part, and the lower end part of the stub bar is of an inverted frustum structure and can be completely embedded in the inner side of the hopper, so that silicon materials are prevented from being scattered or splashed out, and the silicon materials are completely loaded into the charging barrel.
5. One portion of feeding corresponds two unloading portions and the portion of feeding can the horizontal hunting and feed to two sets of unloading portions at interval in succession, not only makes every unloading portion of group all have sufficient buffering unloading time, avoids the flash, can improve the efficiency of feeding and the utilization rate of irritating material machine equipment moreover.
The embodiments of the present invention have been described in detail, and the description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. The blanking device for filling the silicon material is used for filling the silicon material into a charging barrel and is characterized by comprising a charging part and a plurality of blanking parts which are arranged below the charging part and communicated with the charging barrel, wherein the charging part can slide along the length direction of the charging part and continuously charge the blanking parts at intervals.
2. The blanking device for silicon filling material according to claim 1, comprising two symmetrical and spaced blanking portions, wherein the blanking portions are arranged side by side along the length direction of the charging portion and each blanking portion is independently connected with the charging barrel.
3. The blanking device for the silicon filling material as claimed in claim 1 or 2, wherein the blanking part comprises a funnel and a tray which is arranged on the lower end surface of the funnel and is communicated with the funnel, wherein the cross sectional area of the upper end of the funnel is larger than the cross sectional area of the lower end of the funnel; the tray is matched with the upper end surface of the charging barrel.
4. The blanking device for the silicon filling material as claimed in claim 3, wherein the upper end surface of the funnel is inclined and is inclined towards one side of the adjacent blanking part.
5. The blanking device for the filled silicon material as recited in claim 4, wherein the lower end surface of the funnel is arranged in any semicircle of the tray, a dropping hole of the lower end surface of the funnel, which is communicated with the tray, is of a semicircular structure, and the diameter of the dropping hole is parallel to that of the tray and is arranged at one side close to the center of the tray.
6. The blanking device for the silicon filling material as recited in claim 5, wherein the lower end surface of the funnel is matched with the dropping hole.
7. The blanking device for the filled silicon material as claimed in any one of claims 4 to 6, wherein both side surfaces of the funnel in the length direction are arc-shaped surface structures protruding towards the center of the funnel.
8. The blanking device for the filling silicon material as claimed in claim 7, wherein an extension pipe is further arranged below the tray, and the extension pipe is communicated with the lower end surface of the funnel.
9. The blanking device for the silicon filling material according to any one of the claims 1 to 2, 4 to 6 and 8, wherein the charging part comprises a charging shell and a material head communicated with the charging shell, wherein the material head is an inverted cone-shaped shell, the large end surface of the material head is arranged near one end of the charging shell, and the material head moves along the length direction of the charging shell.
10. The blanking device for the silicon filling material as recited in claim 9, wherein the stub bar is arranged in the upper end surface of the blanking portion, and the lower end surface of the stub bar is inclined relative to the outer side surface of the blanking portion in the length direction of the blanking portion.
CN202021523964.1U 2020-07-29 2020-07-29 Unloader is used to filling silicon material Active CN212581011U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111731876A (en) * 2020-07-29 2020-10-02 内蒙古中环协鑫光伏材料有限公司 Discharging device and discharging method for filling silicon material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111731876A (en) * 2020-07-29 2020-10-02 内蒙古中环协鑫光伏材料有限公司 Discharging device and discharging method for filling silicon material

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Address after: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region

Patentee after: Inner Mongolia Zhonghuan Crystal Materials Co.,Ltd.

Address before: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region

Patentee before: INNER MONGOLIA ZHONGHUAN XIEXIN PHOTOVOLTAIC MATERIAL Co.,Ltd.