WO2022230497A1 - シール装置、多結晶シリコン充填物の製造装置および多結晶シリコン充填物の製造方法 - Google Patents
シール装置、多結晶シリコン充填物の製造装置および多結晶シリコン充填物の製造方法 Download PDFInfo
- Publication number
- WO2022230497A1 WO2022230497A1 PCT/JP2022/014352 JP2022014352W WO2022230497A1 WO 2022230497 A1 WO2022230497 A1 WO 2022230497A1 JP 2022014352 W JP2022014352 W JP 2022014352W WO 2022230497 A1 WO2022230497 A1 WO 2022230497A1
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- WIPO (PCT)
- Prior art keywords
- sealing
- bag
- opening
- polycrystalline silicon
- storage bag
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 134
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000000945 filler Substances 0.000 title description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims description 82
- 230000037303 wrinkles Effects 0.000 abstract description 16
- 230000004308 accommodation Effects 0.000 description 30
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000004806 packaging method and process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
Definitions
- the present invention relates to a sealing device, a polycrystalline silicon filling manufacturing device, and a polycrystalline silicon filling manufacturing method.
- Patent Document 1 discloses a polycrystalline silicon packaging method for packaging polycrystalline silicon in a packaging bag.
- the method for packaging polycrystalline silicon disclosed in Patent Document 1 after the polycrystalline silicon is filled into the packaging bag, the polycrystalline silicon is filled in the portion to be welded and sealed for welding and sealing the packaging bag.
- the part on the side of the part is clamped by a clamping bar.
- the portion to be welded and sealed is clamped by the sealing rods and welded.
- An object of one aspect of the present invention is to reduce wrinkles that occur in a storage bag when the opening of the storage bag is sealed.
- a sealing device for a polycrystalline silicon containing bag is inserted from above into an opening of a containing bag in which polycrystalline silicon is contained.
- a contact member that contacts the inner side a sealing member that seals a sealing portion in the storage bag, and the contact member that is inserted into the opening of the storage bag, at least the contact member in the opening is flattened to flatten the sealing portion.
- a drive mechanism that drives to pull two points, and a length along the opening of the storage bag in a state in which the sealing portion is flattened by the drive mechanism while holding a position below the sealing portion.
- a clamping member capable of clamping the storage bag over a second distance that is shorter than the first distance.
- a contact member is inserted from above an opening of a storage bag containing polycrystalline silicon, and the contact member is brought into contact with the inside of the storage bag.
- the position of the bag below the sealing portion is set to a second distance shorter than the first distance along the opening of the housing bag in which the sealing portion is flattened by the driving step.
- a sandwiching step of sandwiching using a sandwiching member and a sealing step of sealing the sealing portion to fill the polycrystalline silicon in the storage bag are included.
- FIG. 1 is a perspective view showing the configuration of a polycrystalline silicon filling manufacturing apparatus according to Embodiment 1 of the present invention
- FIG. 2 is a front view showing the configuration of a sealing device for a polycrystalline silicon containing bag provided in the manufacturing apparatus shown in FIG. 1
- 3 is a right side view of the sealing device shown in FIG. 2
- FIG. FIG. 3 is a plan view of the sealing device shown in FIG. 2
- It is a figure which shows the procedure of the manufacturing method of the polycrystalline-silicon filling which concerns on Embodiment 1 of this invention.
- FIG. 5 is a front view showing the configuration of a sealing device according to Embodiment 2 of the present invention
- FIG. 1 is a perspective view showing the configuration of a polycrystalline silicon filling manufacturing apparatus 100 according to Embodiment 1 of the present invention.
- the manufacturing apparatus 100 is an apparatus for manufacturing a polycrystalline silicon filler FI filled with polycrystalline silicon S1.
- the manufacturing apparatus 100 includes a sealing device 1, a conveyor C1, and a conveyor C2.
- the conveyor C1 conveys the storage case CA containing the storage bag B1 filled with the polycrystalline silicon S1 to the sealing device 1.
- the conveyor C1 is a carrying-in means for carrying the containing bag B1 containing the polycrystalline silicon S1 into the sealing device 1. As shown in FIG.
- the sealing device 1 is a device that seals the storage bag B1 containing the polycrystalline silicon S1. Details of the sealing device 1 will be described later.
- the conveyor C ⁇ b>2 transports the storage case CA containing the storage bag B ⁇ b>1 sealed by the sealing device 1 to the outside of the manufacturing apparatus 100 . That is, the conveyor C2 is a carrying-out means for carrying out the containing bag B1 sealed by the sealing device 1 as the polycrystalline silicon filler FI.
- ⁇ Structure of sealing device> 2 is a front view showing the configuration of the sealing device 1 for the polycrystalline silicon storage bag provided in the manufacturing apparatus 100 shown in FIG. 1, and FIG. 3 is a right side view of the sealing device 1 shown in FIG. 4 is a plan view of the sealing device 1 shown in FIG.
- FIG. 2 omits the seal member 40
- FIG. 3 omits the contact member 10 and the driving mechanism 20, and FIG. Mechanism 20 and sealing member 40 are omitted.
- the direction in which the first drive unit 21 and the second drive unit 22 are arranged is the X-axis direction
- the direction in which the first holding member 31 and the second holding member 32 are arranged is the Y-axis direction
- the storage case CA The direction perpendicular to the mounting surface SF on which the is mounted is defined as the Z-axis direction.
- the sealing device 1 includes a contact member 10, a driving mechanism 20, a holding member 30, and a sealing member 40.
- the sealing device 1 seals the storage bag B1 containing the polycrystalline silicon S1, which is conveyed by the conveyor C1.
- the contact member 10 is inserted from above into the opening B2 of the accommodation bag B1 containing the polycrystalline silicon S1, and contacts the inside of the accommodation bag B1.
- the contact member 10 includes a first jig 11 and a second jig 12, and each of the first jig 11 and the second jig 12 includes a housing bag B1. It is inserted from above into the opening B2 of the housing bag B1 and comes into contact with the inside of the housing bag B1.
- the first jig 11 includes a first portion 11A and a second portion 11B.
- the first portion 11A is connected to a first driving section 21, which will be described later, and extends in the X-axis direction.
- the second portion 11B is connected to the end of the first portion 11A on the positive side of the X axis and extends in the negative direction of the Z axis.
- the second jig 12 includes a first portion 12A and a second portion 12B.
- the first portion 12A is connected to a second driving section 22, which will be described later, and extends in the X-axis direction.
- the second portion 12B is connected to the end of the first portion 12A on the negative side of the X axis and extends in the negative direction of the Z axis.
- the drive mechanism 20 drives the contact member 10 inserted into the opening B2 of the storage bag B1 so as to pull at least two points in the opening B2 to flatten the sealing portion SE of the storage bag B1. Specifically, for example, the driving mechanism 20 moves the first jig 11 and the second jig 12 away from each other, thereby pulling both ends of the opening B2 and flattening the sealing portion SE. be.
- the simple structure of moving the first jig 11 and the second jig 12 can flatten the sealing portion SE. Thereby, cost reduction of the sealing device 1 can be realized.
- the drive mechanism 20 also includes a first drive section 21 and a second drive section 22 .
- the first driving section 21 moves the first portion 11A in the X-axis direction.
- the second driving section 22 moves the first portion 12A in the X-axis direction.
- the first driving section 21 and the second driving section 22 move in the Z-axis direction.
- the second parts 11B and 12B are positioned substantially at the center of the opening B2 along the X-axis direction and are in contact with each other.
- the first driving section 21 moves in the negative direction of the Z axis
- the second portion 11B also moves in the negative direction of the Z axis and is inserted inside the opening B2.
- the second driving section 22 moves in the negative direction of the Z axis
- the second portion 12B also moves in the negative direction of the Z axis and is inserted inside the opening B2.
- the second portion 11B comes into contact with one end of the opening B2 by the first driving portion 21 moving the first portion 11A in the negative direction of the X axis.
- the second driving portion 22 moves the first portion 12A in the positive direction of the X axis, so that the second portion 12B comes into contact with the other end of the opening B2.
- the first driving section 21 further moves the first portion 11A by a predetermined distance in the negative direction of the X axis
- the second driving section 22 moves the first portion 12A by a predetermined distance in the positive direction of the X axis.
- the pinching member 30 pinches a position below the sealing point SE in the accommodation bag B1.
- the clamping member 30 includes a first clamping member 31 and a second clamping member 32 .
- the first holding member 31 includes a first support portion 31A and a first contact portion 31B.
- the first contact portion 31B is fixed to the first support portion 31A and has a first contact surface CF1.
- the second holding member 32 includes a second support portion 32A and a second contact portion 32B.
- the second contact portion 32B is fixed to the second support portion 32A and has a second contact surface CF2.
- the first contact portion 31B and the second contact portion 32B are made of resin, and the first contact surface CF1 and the second contact surface CF2 are also made of resin.
- the sealing portion SE can be made flatter.
- the second distance D2 which is the length along the X-axis direction of the first contact portion 31B, is the length along the opening B2 of the housing bag B1 in which the sealing portion SE is flattened by the drive mechanism 20. shorter than the first distance D1. Also, the length of the second contact portion 32B along the X-axis direction is equal to the second distance D2.
- the holding member 30 holds the accommodation bag B ⁇ b>1 between the first holding member 31 and the second holding member 32 . At this time, the first contact surface CF1 and the second contact surface CF2 come into contact with the outer surface of the housing bag B1. Therefore, the holding member 30 can hold the storage bag B1 over the second distance D2.
- the sealing member 40 seals the sealing portion SE in the storage bag B1.
- Seal member 40 includes a first seal member 41 and a second seal member 42 .
- the sealing member 40 seals the sealing portion SE in the storage bag B1 from both the positive direction side and the negative direction side on the Y axis with the first sealing member 41 and the second sealing member 42 .
- a heater is incorporated in each of the first sealing member 41 and the second sealing member 42, and the sealing member 40 seals the sealing portion SE by fusing the sealing portion SE using the heater. Since the sealing portion SE is flattened by the driving mechanism 20 and the clamping member 30, the sealing accuracy of the sealing portion SE in the sealing member 40 can be improved. That is, it is possible to improve the airtightness of the accommodation bag B1.
- the length of the holding member 30 holding the accommodation bag B1 (the second distance D2) is shorter than the length along the opening B2 of the accommodation bag B1 (the first distance D1). For this reason, as shown in FIG. 4, in a state in which the holding member 30 holds the accommodation bag B1, air is allowed to flow between the holding point P1 by the holding member 30 and the outer end E1 of the accommodation bag B1. be able to. Therefore, when sealing the opening B2 of the accommodation bag B1, wrinkles generated in the accommodation bag B1 can be reduced.
- the sealing strength at the sealing portion SE is improved, and it is possible to reduce the entry of unclean air from the outside of the storage bag B1 into the storage bag B1. can reduce the impact on the quality of
- the protrusion can be prevented from being caught in the wrinkles of the storage bag B1, it is possible to prevent the wrinkles of the storage bag B1 from being scraped by the protrusion. Therefore, it is possible to prevent the accommodation bag B1 from forming a weak portion, and preventing the resin of the accommodation bag B1 scraped by the projection from becoming a foreign substance mixed in the product.
- the second distance D2 may be 60% or more and 95% or less, preferably 65% or more and 90% or less, of the first distance D1.
- the contact surface of the holding member 30 with the containing bag B1 is made of resin, but also the contact surface of the contact member 10 with the containing bag B1 may be made of resin.
- the contact surface with the accommodation bag B1 may also be made of resin. That is, at least one of the contact member 10, the holding member 30, and the sealing member 40 may have a resin-made contact surface with the containing bag B1.
- the contact surface of the contact member 10 with the accommodation bag B1 is made of resin
- the contact surface of the contact member 10 contacts the inner surface of the accommodation bag B1.
- the contact surface of the sealing member 40 with the accommodation bag B1 is made of resin
- the contact surface of the sealing member 40 contacts the outer surface of the accommodation bag B1.
- the contact surface in contact with the containing bag B1 is made of resin, so that the containing bag B1 can be prevented from tearing.
- the contact member 10 made of resin it is possible to prevent metal contamination in the storage bag B1 and to keep the polycrystalline silicon S1 to be stored clean.
- the length of the second portions 11B and 12B along the Z-axis direction is such that the lower ends of the second portions 11B and 12B are located below the clamping member 30. It may be about as long.
- the second portions 11B and 12B are inserted between the sandwiched portion P1 shown in FIG. 4 and the outer end E1 of the storage bag B1.
- the first driving portion 21 and the second driving portion 22 move in the positive direction of the Z-axis, thereby moving the second portions 11B and 12B closer to the sealing portion SE than the sealing portion SE. Move to the top position. At this time, the distance between the second portions 11B and 12B is maintained.
- the sealing portion SE is sealed by the sealing member 40 .
- FIG. 5 is a diagram showing the procedure of a method for manufacturing a polycrystalline silicon filling according to Embodiment 1 of the present invention.
- Reference numeral 101 in FIG. 5 indicates a view when the housing bag B1 is viewed in the negative direction on the Z axis
- reference numeral 102 in FIG. 5 indicates a view when the housing bag B1 is viewed in the positive direction on the Y axis.
- Reference numeral 101 omits housing case CA, polycrystalline silicon S1, and drive mechanism 20, and reference numeral 102 omits drive mechanism 20.
- FIG. 1 is a diagram showing the procedure of a method for manufacturing a polycrystalline silicon filling according to Embodiment 1 of the present invention.
- Reference numeral 101 in FIG. 5 indicates a view when the housing bag B1 is viewed in the negative direction on the Z axis
- reference numeral 102 in FIG. 5 indicates a view when the housing bag B1 is viewed in the positive direction on the Y axis.
- the drive mechanism 20 inserts the contact member 10 from above the opening B2 of the storage bag B1 containing the polycrystalline silicon S1, and contacts the inside of the storage bag B1. The members 10 are brought into contact.
- the drive mechanism 20 drives the contact member 10 inserted into the opening B2 of the storage bag B1 so as to pull at least two points in the opening B2 to flatten the sealing portion SE of the storage bag B1.
- the pinching member 30 pinches a position below the sealing point SE of the storage bag B1.
- the sealing member 40 seals the sealing portion SE of the storage bag B1, as indicated by reference numerals 101C and 102C.
- the storage bag B1 containing the polycrystalline silicon S1 and sealed at the sealing portion SE is referred to as a polycrystalline silicon filler FI.
- the sealing member 40 may seal the sealing portion SE within a predetermined time after the clamping member 30 releases the clamping of the storage bag B1.
- the clamping member 30 releases the clamping of the storage bag B1 before the sealing member 40 seals. For this reason, in the accommodation bag B1, the air existing above the portion sandwiched by the holding member 30 flows below the location, so wrinkles occurring in the accommodation bag B1 can be reduced.
- the first driving section 21 may move the second portion 11B in the Z-axis direction with respect to the first portion 11A.
- the second drive section 22 may move the second portion 12B in the Z-axis direction with respect to the first portion 12A.
- the first driving section 21 moves the second portion 11B in the negative direction of the Z-axis
- the second driving section 22 moves the second portion 12B in the negative direction of the Z-axis.
- 11B and 12B are inserted inside the opening B2.
- the first driving section 21 moves the second portion 11B in the positive direction of the Z axis
- the second driving section 22 moves the second portion 12B in the positive direction of the Z axis.
- 12B move to a position above the sealing point SE.
- the second portions 11B and 12B are positioned substantially at the center of the opening B2 along the X-axis direction and separated from each other. good too.
- the first driving section 21 moves in the negative direction of the Z axis
- the second portion 11B also moves in the negative direction of the Z axis and is inserted inside the opening B2.
- the second driving section 22 moves in the negative direction of the Z axis
- the second portion 12B also moves in the negative direction of the Z axis and is inserted inside the opening B2.
- the second portions 11B and 12B move from the approximate center of the opening B2 along the X-axis direction in the positive or negative direction of the X-axis. , and may be in contact with each other. In this state, the second portion 11B moves in the negative direction of the Z axis and is inserted inside the opening B2, and the second portion 12B moves in the negative direction of the Z axis and is inserted inside the opening B2. be done.
- the second portion 11B comes into contact with one end of the opening B2 by the first driving portion 21 moving the first portion 11A in the negative direction of the X axis.
- the second driving portion 22 moves the first portion 12A in the positive direction of the X axis, so that the second portion 12B comes into contact with the other end of the opening B2.
- the first driving section 21 and the second driving section 22 are each driven to move the second driving section 21 and the second driving section 22 so that the second portion 11B contacts one end of the opening B2 and the second portion 12B contacts the other end of the opening B2 at the same time.
- the speed of moving the parts 11A and 12A in the X-axis direction is adjusted.
- the second portions 11B and 12B move from substantially the center of the opening B2 along the X-axis direction to the X-axis direction. may be shifted in either the positive direction or the negative direction in and separated from each other.
- FIG. 6 is a front view showing the configuration of the sealing device 2 according to Embodiment 2 of the present invention.
- the manufacturing apparatus 100 may include a sealing device 2 instead of the sealing device 1 .
- the sealing device 2 differs from the sealing device 1 in that the contact member 10 and the drive mechanism 20 are changed to a contact member 10A and a drive mechanism 20A, respectively.
- the contact member 10A is a single member that can expand and contract in the X-axis direction.
- the contact member 10A is inserted from above into the opening B2 of the bag B1 containing the polycrystalline silicon S1, and comes into contact with the inside of the bag B1.
- the drive mechanism 20A is electrically connected to the contact member 10A, and extends and contracts the contact member 10A by transmitting a control signal to the contact member 10A.
- the drive mechanism 20A extends the contact member 10A, thereby pulling at least two points in the opening B2 of the contact member 10A inserted into the opening B2 of the storage bag B1 to flatten the sealing portion SE. to drive.
- a sealing device for a polycrystalline silicon containing bag includes a contact member that is inserted from above into an opening of a containing bag containing polycrystalline silicon and contacts the inside of the containing bag; A drive for driving a sealing member for sealing a sealing portion of a storage bag and the contact member inserted into the opening of the storage bag so as to pull at least two points in the opening to flatten the sealing portion.
- a mechanism sandwiches a position below the sealing portion and is shorter than a first distance, which is a length along the opening of the housing bag in a state in which the sealing portion is flattened by the driving mechanism.
- a clamping member capable of clamping the storage bag over a second distance.
- the holding member since the length (second distance) over which the holding member holds the accommodation bag is shorter than the length (first distance) along the opening of the holding member, the holding member holds the accommodation bag. In this state, air can flow between the portion held by the holding member and the outer end of the storage bag. Therefore, it is possible to reduce wrinkles that occur in the storage bag when sealing the opening of the storage bag.
- the contact member includes a first jig and a second jig, and each of the first jig and the second jig is inserted into the opening of the storage bag from above.
- the drive mechanism moves the first jig and the second jig away from each other, thereby pulling both ends of the opening to pull the seal. It may be one that flattens the location. According to the above configuration, it is possible to flatten the sealing portion with a simple configuration of moving the first jig and the second jig. This makes it possible to reduce the cost of the sealing device.
- the sealing member may seal the sealing portion within a predetermined time after the clamping member releases the clamping of the storage bag.
- the second distance may be 60% or more and 95% or less of the first distance. According to the above configuration, the amount of air flowing between the portion pinched by the pinching member and the outer end of the bag is optimized, and when the opening of the bag is sealed, wrinkles generated in the bag are effectively eliminated. can be reduced.
- At least one of the contact member, the sealing member, and the holding member may have a resin-made contact surface with the housing bag.
- the contact surface in contact with the containing bag is made of resin, it is possible to prevent the containing bag from tearing.
- the contact member made of resin metal contamination in the storage bag can be prevented, and polycrystalline silicon to be stored can be kept clean.
- An apparatus for manufacturing a polycrystalline silicon filling includes: the sealing device; carrying-in means for carrying a storage bag containing polycrystalline silicon into the sealing device; A carrying-out means for carrying out the containing bag as the polycrystalline silicon filling may be provided.
- a contact member is inserted from above an opening of a storage bag containing polycrystalline silicon, and the contact member is brought into contact with the inside of the storage bag.
- the position of the bag below the sealing portion is set to a second distance shorter than the first distance along the opening of the housing bag in which the sealing portion is flattened by the driving step.
- a sandwiching step of sandwiching using a sandwiching member and a sealing step of sealing the sealing portion to fill the polycrystalline silicon in the storage bag are included.
- Reference Signs List 1 2 sealing device 10, 10A contact member 11 first jig 12 second jig 20, 20A drive mechanism 30 clamping member 40 sealing member 100 manufacturing device B1 housing bag B2 opening C1 conveyor (carrying means) C2 conveyor (carrying out means) CF1 first contact surface (contact surface) CF2 second contact surface (contact surface) D1 First distance D2 Second distance FI Polycrystalline silicon filling S1 Polycrystalline silicon SE Sealing point
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Abstract
Description
<多結晶シリコン充填物の製造装置の構成>
図1は、本発明の実施形態1に係る多結晶シリコン充填物の製造装置100の構成を示す斜視図である。製造装置100は、多結晶シリコンS1が充填された多結晶シリコン充填物FIを製造する装置である。図1に示すように、製造装置100は、シール装置1と、コンベアC1と、コンベアC2と、を備える。
図2は、図1に示す製造装置100が備える多結晶シリコン収容袋のシール装置1の構成を示す正面図であり、図3は、図2に示すシール装置1の右側面図であり、図4は、図2に示すシール装置1の平面図である。
図5は、本発明の実施形態1に係る多結晶シリコン充填物の製造方法の手順を示す図である。図5の符号101は、Z軸における負の方向に向かって収容袋B1を見たときの図を示し、図5の符号102は、Y軸における正の方向に向かって収容袋B1を見たときの図を示す。符号101では、収容ケースCA、多結晶シリコンS1および駆動機構20を省略しており、符号102では、駆動機構20を省略している。
第1駆動部21がZ軸方向に移動する代わりに、第1駆動部21は、第2部分11Bを第1部分11Aに対してZ軸方向に移動させてもよい。また、第2駆動部22がZ軸方向に移動する代わりに、第2駆動部22は、第2部分12Bを第1部分12Aに対してZ軸方向に移動させてもよい。
第2部分11B,12Bが開口部B2の内側に挿入される前において、第2部分11B,12BがX軸方向に沿った開口部B2の略中心に位置するとともに互いに離れている状態であってもよい。この状態で、第1駆動部21がZ軸における負の方向に移動することにより、第2部分11BもZ軸における負の方向に移動して開口部B2の内側に挿入される。また、第2駆動部22がZ軸における負の方向に移動することにより、第2部分12BもZ軸における負の方向に移動して開口部B2の内側に挿入される。
第2部分11B,12Bが開口部B2の内側に挿入される前において、第2部分11B,12BがX軸方向に沿った開口部B2の略中心から、X軸における正の方向または負の方向のいずれかにずれた位置にあるとともに互いに接触する状態であってもよい。この状態で、第2部分11BがZ軸における負の方向に移動して開口部B2の内側に挿入され、第2部分12BがZ軸における負の方向に移動して開口部B2の内側に挿入される。
本発明の実施形態2について、以下に説明する。なお、説明の便宜上、実施形態1にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を繰り返さない。図6は、本発明の実施形態2に係るシール装置2の構成を示す正面図である。製造装置100は、シール装置1に代えてシール装置2を備えてもよい。
本発明の一態様に係る多結晶シリコン収容袋のシール装置は、多結晶シリコンが収容された収容袋の開口部の内側に上方から挿入され、前記収容袋の内側に接触する接触部材と、前記収容袋におけるシール箇所をシールするシール部材と、前記収容袋の前記開口部に挿入された前記接触部材について、前記シール箇所を平坦化するべく前記開口部における少なくとも2点を引っ張るように駆動する駆動機構と、前記シール箇所よりも下方の位置を挟持するとともに、前記駆動機構により前記シール箇所が平坦化された状態の前記収容袋における前記開口部に沿った長さである第1距離よりも短い第2距離に亘って前記収容袋を挟持することが可能な挟持部材と、を備える。
10、10A 接触部材
11 第1治具
12 第2治具
20、20A 駆動機構
30 挟持部材
40 シール部材
100 製造装置
B1 収容袋
B2 開口部
C1 コンベア(搬入手段)
C2 コンベア(搬出手段)
CF1 第1接触面(接触面)
CF2 第2接触面(接触面)
D1 第1距離
D2 第2距離
FI 多結晶シリコン充填物
S1 多結晶シリコン
SE シール箇所
Claims (7)
- 多結晶シリコンが収容された収容袋の開口部の内側に上方から挿入され、前記収容袋の内側に接触する接触部材と、
前記収容袋におけるシール箇所をシールするシール部材と、
前記収容袋の前記開口部に挿入された前記接触部材について、前記シール箇所を平坦化するべく前記開口部における少なくとも2点を引っ張るように駆動する駆動機構と、
前記シール箇所よりも下方の位置を挟持するとともに、前記駆動機構により前記シール箇所が平坦化された状態の前記収容袋における前記開口部に沿った長さである第1距離よりも短い第2距離に亘って前記収容袋を挟持することが可能な挟持部材と、を備えることを特徴とする、多結晶シリコン収容袋のシール装置。 - 前記接触部材は、第1治具と、第2治具とを含むものであり、
前記第1治具および前記第2治具のそれぞれは、前記収容袋の前記開口部の内側に上方から挿入され、前記収容袋の内側に接触するものであり、
前記駆動機構は、前記第1治具と前記第2治具とを互いに離れるように移動させることにより、前記開口部の両端を引っ張り前記シール箇所を平坦化するものであることを特徴とする請求項1に記載のシール装置。 - 前記シール部材は、前記挟持部材が前記収容袋の挟持を解除した後、所定時間以内に、前記シール箇所をシールするものであることを特徴とする請求項1または2に記載のシール装置。
- 前記第2距離は、前記第1距離に対して、60%以上95%以下の長さであることを特徴とする請求項1から3のいずれか1項に記載のシール装置。
- 前記接触部材、前記シール部材および前記挟持部材のうち少なくとも1つは、前記収容袋との接触面が樹脂製であることを特徴とする請求項1から4のいずれか1項に記載のシール装置。
- 請求項1から5のいずれか1項に記載のシール装置と、
前記シール装置に多結晶シリコンが収容された収容袋を搬入する搬入手段と、
前記シール装置においてシールされた前記収容袋を多結晶シリコン充填物として搬出する搬出手段とを備えていることを特徴とする多結晶シリコン充填物の製造装置。 - 多結晶シリコンが収容された収容袋の開口部の上方から接触部材を挿入し、前記収容袋の内側に前記接触部材を接触させる接触工程と、
前記収容袋の前記開口部に挿入された前記接触部材について、前記収容袋のシール箇所を平坦化するべく前記開口部における少なくとも2点を引っ張るように駆動する駆動工程と、
前記収容袋の前記シール箇所よりも下方の位置を、前記駆動工程により前記シール箇所が平坦化された状態の前記収容袋における前記開口部に沿った長さである第1距離よりも短い第2距離に亘って、挟持部材を用いて挟持する挟持工程と、
前記シール箇所をシールして前記収容袋を前記多結晶シリコンの充填物とするシール工程と、を含む多結晶シリコン充填物の製造方法。
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CN202280025019.4A CN117062753A (zh) | 2021-04-28 | 2022-03-25 | 密封装置、多晶硅填充物的制造装置及多晶硅填充物的制造方法 |
KR1020237033786A KR20240004277A (ko) | 2021-04-28 | 2022-03-25 | 씰링 장치, 다결정 실리콘 충전물의 제조 장치 및 다결정 실리콘 충전물의 제조 방법 |
US18/286,267 US20240043153A1 (en) | 2021-04-28 | 2022-03-25 | Sealing device, device for producing polycrystalline silicon filler, and method for producing polycrystalline silicon filler |
DE112022002337.6T DE112022002337T5 (de) | 2021-04-28 | 2022-03-25 | Verschlusseinrichtung, Einrichtung zur Herstellung eines polykristallinen Siliziumfüllung und Verfahren zur Herstellung einer polykristallinen Siliziumfüllung |
JP2022540490A JP7148762B1 (ja) | 2021-04-28 | 2022-03-25 | シール装置、多結晶シリコン充填物の製造装置および多結晶シリコン充填物の製造方法 |
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Citations (3)
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JPS5161392A (en) * | 1974-11-22 | 1976-05-27 | Yokohama Jidoki Kk | Fukurozumetaino kanzendatsukishiiruhoho oyobi sochi |
JPS60118604U (ja) * | 1984-01-19 | 1985-08-10 | 株式会社 古川製作所 | 袋の緊張装置 |
WO2019203316A1 (ja) * | 2018-04-18 | 2019-10-24 | 三菱マテリアル株式会社 | 多結晶シリコンの包装方法、多結晶シリコンの二重包装方法及び単結晶シリコン用原料製造方法 |
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JPS5161392A (en) * | 1974-11-22 | 1976-05-27 | Yokohama Jidoki Kk | Fukurozumetaino kanzendatsukishiiruhoho oyobi sochi |
JPS60118604U (ja) * | 1984-01-19 | 1985-08-10 | 株式会社 古川製作所 | 袋の緊張装置 |
WO2019203316A1 (ja) * | 2018-04-18 | 2019-10-24 | 三菱マテリアル株式会社 | 多結晶シリコンの包装方法、多結晶シリコンの二重包装方法及び単結晶シリコン用原料製造方法 |
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