Heat preservation cylinder and single crystal furnace with same
Technical Field
The utility model relates to a powder shaping processing equipment field, concretely relates to a heat preservation section of thick bamboo and have its single crystal growing furnace.
Background
The heat-insulating cylinder is a core thermal field component of the monocrystalline silicon straight-pull furnace and is widely applied to the production of monocrystalline silicon. The size of the heat preservation cylinder required along with the increase of the size of the single crystal furnace is larger and larger, and the processing requirement on the heat preservation cylinder is higher and higher. In fact, the heat-insulating cylinder belongs to a thin-wall part product, and the large-size heat-insulating cylinder is easy to deform in the manufacturing process, so that the rejection rate is high. In the prior art, a splicing type heat-insulating cylinder is often adopted for saving the production cost of the heat-insulating cylinder, but the existing splicing type heat-insulating cylinder is easy to separate from an arc-shaped plate and a connecting plate because no limit exists in the circumferential direction, and the problem of unstable structure of the heat-insulating cylinder exists.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the concatenation formula heat preservation section of thick bamboo among the prior art and not having the defect that spacing, arc and connecting plate break away from easily in week to provide a heat preservation section of thick bamboo and have its single crystal growing furnace.
In order to solve the above problem, the utility model provides a heat preservation cylinder, include:
the connecting device comprises at least two arc plates which are spliced with each other, wherein the splicing end of each arc plate is provided with a first splicing part, each first splicing part comprises a connecting part and a fixing part which are integrally formed, and the extension length of each fixing part in the radial direction is greater than that of each connecting part in the radial direction;
the connecting plates are arranged between the splicing ends of two adjacent arc-shaped plates, the splicing ends of the connecting plates are provided with second splicing parts, and the second splicing parts comprise a first groove body and a second groove body which are communicated with each other;
the first groove body is matched with the fixing part, the second groove body is matched with the connecting part, and the first groove body and the second groove body are symmetrically arranged in a pair, so that at least two arc-shaped plates and at least two connecting plates enclose a closed space.
Optionally, an orthographic projection of the first inserting part is in a shape of a T, and orthographic projections of the first groove body and the second groove body are in a shape of a T.
Optionally, the arc plate and the connecting plate are made of carbon fiber materials.
Optionally, the arc-shaped plate and the first inserting part are integrally processed and formed.
Optionally, the number of the arc-shaped plates and the number of the connecting plates are 2-6.
The single crystal furnace comprises the heat-insulating cylinder, and the heat-insulating cylinder is sleeved on the periphery of the furnace body of the single crystal furnace.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a heat preservation cylinder, which comprises at least two arc plates spliced with each other, wherein the splicing end of the arc plates is provided with a first splicing part, the first splicing part comprises a connecting part and a fixing part which are integrally formed, and the extension length of the fixing part along the radial direction is greater than that of the connecting part along the radial direction so as to form a splicing surface connected with a second splicing part; the connecting plates are arranged between the splicing plates of the two adjacent arc-shaped plates, the splicing ends of the connecting plates are provided with second inserting portions, and the second inserting portions comprise first groove bodies and second groove bodies which are mutually communicated. The first groove body is matched with the fixing part, and the second groove body is matched with the connecting part, so that at least two arc-shaped plates and two connecting plates are formed to enclose a closed space. The fixing part is longer than the connecting part along the radial direction so as to increase the contact area of the first inserting part and the second inserting part, and the fixing part cannot be easily separated from the first groove body due to the limit blocking of the first groove body, so that the first inserting part and the second inserting part are more firmly inserted in the tangential direction. First cell body and fixed part adaptation, second cell body and connecting portion adaptation to form the joint structure with first grafting portion, realize the fourth of the twelve earthly branches tenon structure of arc and connecting plate, promote the steadiness of connecting. First cell body and second cell body are a pair of symmetry setting to connect two arcs simultaneously, improve assembly efficiency. First grafting portion and second grafting portion are pegged graft fixedly, the operating personnel's of being convenient for installation in use, even the arc and the connecting plate of thin wall also can form great closed space through pegging graft, need not to increase the thickness of arc and connecting plate, can satisfy the less requirement of warping, this is because improve the barrel of original integrated into one piece for the polylith connecting plate back of assembling, reduced the deformation volume of barrel in manufacturing process, the probability that takes place to warp correspondingly reduces, the purpose of saving enterprise manufacturing cost has been reached. The spliced arc-shaped plate and the connecting plate are small in shape, so that enterprises do not need to occupy large space in production, the manufacturing difficulty is low, and the yield is high. In addition, when damage appears in monolithic arc or connecting plate, only need to change the part that damages can, need not to change a whole heat preservation section of thick bamboo in order effectively to reduce use cost.
2. The utility model provides a heat preservation section of thick bamboo, the orthographic projection of first grafting portion is "T" font, and the orthographic projection of first cell body and second cell body is "T" font to realize the adaptation of first grafting portion and second grafting portion, form closed space.
3. The utility model provides a heat preservation section of thick bamboo, arc and connecting plate are the carbon fiber material, adopt the carbon fiber material as the material, and the quality is light, non-deformable, high temperature resistant to realize good heat preservation effect, in order to alleviate staff intensity of labour.
4. The utility model provides a heat preservation section of thick bamboo, arc and first grafting portion integrated into one piece guarantee the fastness of device.
5. The utility model provides a heat preservation section of thick bamboo, arc and connecting plate are 2-6, compromise the heat preservation effect when reduce cost.
6. The utility model provides a single crystal furnace, including a heat preservation section of thick bamboo, the heat preservation barrel casing is established in the periphery of single crystal furnace body in order to realize the heat preservation effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat-insulating cylinder provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of an arc plate of the heat-insulating cylinder according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a connecting plate of a heat-insulating cylinder according to an embodiment of the present invention.
Description of reference numerals: 1. an arc-shaped plate; 2. a connecting portion; 3. a fixed part; 4. a second tank body; 5. a first tank body; 6. a connecting plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
One embodiment of the thermal insulating cylinder shown in fig. 1 comprises: the arc 1 of four mutual concatenations with locate the connecting plate 6 between the concatenation end of two adjacent arcs 1, connecting plate 6 also is four, and arc 1 and connecting plate 6 are carbon fiber material.
As shown in fig. 1 and 2, the two splicing ends of the arc-shaped plate 1 are extended with first splicing parts along the circumferential direction, the first splicing parts include a connecting part 2 and a fixing part 3 which are integrally formed, the extension length of the fixing part 3 along the radial direction is greater than that of the connecting part 2 along the radial direction, and the fixing part 3 and the connecting part 2 are cuboids. Meanwhile, the orthographic projection of the first inserting part is T-shaped, and the arc-shaped plate 1 and the first inserting part can be integrally processed and formed.
As shown in fig. 1 and 3, the connecting plate 6 includes a second inserting portion, and the second inserting portion includes a first slot body 5 and a second slot body 4 that are communicated with each other. Wherein, the first cell body 5 and the fixed part 3 adaptation of first grafting portion, the second cell body 4 and the connecting portion 2 adaptation of first grafting portion, simultaneously, first cell body 5 and second cell body 4 are a pair of symmetry setting. The orthographic projection of the first groove body 5 and the second groove body 4 is T-shaped.
As shown in fig. 1 and 3, two splicing ends of the connecting plate 6 both extend along the circumferential direction to form a second splicing portion, and the second splicing portion is spliced and fixed with the first splicing portion so that the four arc-shaped plates 1 and the four connecting plates 6 enclose a closed space. Specifically, the second inserting portion includes a first groove body 5 and a second groove body 4 which are communicated with each other, and both of the first groove body and the second groove body are long-strip-shaped groove bodies. The first groove body 5 is matched with the fixing part 3 of the first inserting part, and the second groove body 4 is matched with the connecting part 2 of the first inserting part, namely the first groove body 5 is slightly larger than the fixing part 3, the second groove body 4 is slightly larger than the connecting part 2, when the fixing part 3 is inserted into the first groove body 5, the fixing part and the first groove body are fastened, and when the connecting part 2 is inserted into the second groove body 4, the connecting part and the second groove body are fastened. Meanwhile, the first groove body 5 and the second groove body 4 are a pair which is symmetrically arranged along the radial direction of the cylinder body, and the first inserting parts of the two arc-shaped plates 1 which are close to each other are inserted and fixed. The orthographic projection of the first groove body 5 and the second groove body 4 is T-shaped.
Still provide a single crystal growing furnace, including above-mentioned heat preservation section of thick bamboo, the heat preservation section of thick bamboo cover is established at single crystal growing furnace's furnace body periphery.
When the heat preservation barrel casing is required to be arranged on the periphery of the furnace body of the single crystal furnace, an operator inserts and fixes the first groove body 5 and the second groove body 4 of the connecting plate 6 with the fixing part 3 and the connecting part 2 of the first inserting part of the arc-shaped plate 1 respectively to complete splicing, then splices other arc-shaped plates 1 and the connecting plate 6 to form a circular heat preservation barrel, and then arranges the heat preservation barrel casing on the periphery of the furnace body of the single crystal furnace.
As an alternative embodiment, the arc plate 1 and the connection plate 6 may also be 2, 3, 5, 6 or even more.
As an alternative embodiment, the orthographic projection of the first plug part, the first slot body 5 and the second slot body 4 may also be "L" shaped.
As an alternative embodiment, the arc-shaped plate and the first inserting-connecting part, and the first slot body 5 and the second slot body 4 can also be fixedly connected by bonding and the like.
Alternatively, the arc-shaped plate 1 and the connecting plate 6 may be made of carbon fiber, carbon/carbon composite material or alloy.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.