CN209323035U - Crucible positioning component - Google Patents

Abstract

The utility model relates to a kind of crucible positioning components, belong to crystal growth equipment technical field.Crucible positioning component includes at least three locating pieces of the center line rotational symmetry distribution along heating room.Each locating piece includes the first abutting part and the second abutting part being oppositely arranged, and the first abutting part with crucible for abutting, and the second abutting part is used to abut with the inner wall of heating room, and at least three locating piece collective effects are in crucible so that crucible is located at the center of heating room.During heating crucible, which is capable of fixing the position of crucible, and then improves the quality that the crystal such as raw sapphire are steeped in crucible.

Description

Crucible positioning component

Technical field

The utility model relates to crystal growth equipment technical fields, in particular to a kind of crucible positioning component.

Background technique

In industrial application, the growing method of common crystal has czochralski method, Bridgman-Stockbarger method, heat-exchanging method and kyropoulos etc.. Wherein, sapphire growing method mostly uses kyropoulos, is widely used in the fields such as science and technology, national defence, electronic technology.Mesh Before, crucible used in kyropoulos is all to be directly placed on pallet to be fitted without any stationary fixture.In use, earthenware Crucible is placed in the center of heating room, and in heating process, crucible is easy to move on pallet.This will lead to crucible and deviates heating room Center, and then lead to steep raw crystal and generate various defects, reduce sapphire bubble and give birth to quality.It is more serious, also The liquid that may result in crucible spills, and short circuit occurs so as to cause heating interior circuit, causes safety accident.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.

For this purpose, the utility model proposes a kind of crucible positioning component is provided, during heating crucible, crucible positioning Component is capable of fixing the position of crucible, and then improves and steep raw sapphire quality in crucible.

The crucible positioning component that some embodiments of the utility model proposes heats determining for indoor crucible for being located at Position, crucible positioning component include at least three locating pieces of the center line rotational symmetry distribution along heating room.Each locating piece packet Include the first abutting part and the second abutting part being oppositely arranged, the first abutting part for being abutted with crucible, the second abutting part for The inner wall for heating room abuts, and at least three locating piece collective effects are in crucible so that crucible is located at the center of heating room.At least three A locating piece arranges along the Axial-rotational Symmetry of heating room, each locating piece be located at the outer wall of crucible with heat room inner wall it Between, the first abutting part is abutted with the outer wall of crucible, and the second abutting part is abutted with the inner wall of heating room.In the common of three locating pieces Under clamping, the center that crucible can be located at heating room is not moved, and the axis of crucible is overlapped with the axis of heating room.

Some embodiments according to the present utility model, the first abutting part include first abutted for the outer wall with crucible Face.Under the support of the second abutting part, the first face can apply an active force to crucible in the radial direction of crucible, with fixation Radial position.

Some embodiments according to the present utility model, the first abutting part include the second face for pressing on the top surface of crucible.? Under the support of pallet or the inner bottom surface of heating room, the second face can give crucible to apply a downward effect in the vertical direction Power, to fix the position of the direction.First face in conjunction with the second face, can make the first abutting part it is more firm be connected to crucible.

First abutting part described in some embodiments according to the present utility model further includes third face, third face and the first face point Not Wei Yu crucible two sides, third face is corresponding with the inner wall of crucible, and third face is connect with the second face.On the basis of the second face Extend third face, third face can abut with inner wall, be equivalent to, in the case where the second abutting part abuts loosely, third face The edge that the first abutting part can be made to be hooked in crucible has ensured the stability of locating piece used without falling.

The edge far from the second face of some embodiments according to the present utility model, the first face is provided with chamfering.It will determine During position part is connected between crucible and the inner wall for heating room, chamfering can be prior to the first abutting part and crucible EDGE CONTACT It is abutted before with the outer wall of crucible.When locating piece is clamped between crucible and the inner wall for heating room by application external force, chamfering energy Enough play the role of pre-contact, and is avoided that the first abutting part scratches the outer wall of crucible.

The length of some embodiments according to the present utility model, the radial direction in crucible in the second face is greater than or equal to earthenware The wall thickness of crucible.During crucible heating, partially liq explosive evaporation inside crucible simultaneously freezes solidly on crucible edge, crucible The wall thickness of edge can slightly increase.Therefore, the second face is greater than or equal to the wall of crucible in the length in the radial direction of crucible Thickness can either make crucible wall surface protrude into the first abutting part, and can accommodate the wall thickness increment of crucible.

Some embodiments according to the present utility model, the second abutting part include can abut with the inner wall of heating room the 4th Face.Second abutting part is abutted by fourth face with the inner wall for heating room, abuts the first abutting part closely with the edge of crucible, from And locating piece will not be fallen.

Some embodiments according to the present utility model, crucible positioning component further include locating ring, and each locating piece is equipped with fixed Position portion, locating ring are removably connect with the positioning region of each locating piece, and locating ring matches at least three locating pieces and merges formation It is integrated.Locating ring secures the position of each locating piece in the circumferential direction of crucible, further has crucible positioning component Better fixed effect.

First abutting part of some embodiments according to the present utility model, locating piece is equipped between the second abutting part along fixed The reinforcing rib of the length direction arrangement of position part.Under the abutting of the first abutting part and the second abutting part, locating piece will receive both ends Active force.Reinforcing rib is arranged between the first abutting part and the second abutting part, can alleviate under high temperature locating piece in length side It deforms upwards.

Some embodiments according to the present utility model, the material of locating piece are tungsten.Crucible heating temperature is more than 2000 DEG C, tungsten Fusing point be higher than the temperature and have preferable intensity, the crucible positioning component of tungsten material can be in the process that crucible is heated In be persistently connected to crucible and heat room inner wall between, to fix the position of crucible.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the position view of the crucible positioning component of the utility model first aspect embodiment；

Fig. 2 is the structural schematic diagram of the locating piece of the utility model first aspect embodiment；

Fig. 3 is the location arrangements schematic diagram of three locating pieces of the utility model first aspect embodiment；

Fig. 4 is the location arrangements schematic diagram of four locating pieces of the utility model first aspect embodiment；

Fig. 5 is the structural schematic diagram of the U-type groove of the locating piece of the utility model first aspect embodiment；

Fig. 6 is the structural schematic diagram of the chamfering of the first abutting part of the utility model first aspect embodiment；

Fig. 7 is the structural schematic diagram of the chamfering of the second abutting part of the utility model first aspect embodiment；

Fig. 8 is the structural schematic diagram of the reinforcing rib of the locating piece of the utility model first aspect embodiment；

Fig. 9 is the structural schematic diagram of the locating ring of the utility model first aspect embodiment.

Icon: 100- crucible positioning component；10- locating piece；The first abutting part of 11-；The first face 111-；The second face 112-； 113- third face；114-U type groove；115- chamfering；The second abutting part of 12-；121- fourth face；122- chamfering；The positioning region 13-；20- Crucible；21- outer wall；The top surface 22-；23- inner wall；30- heats room；31- inner wall；40- locating ring；50- reinforcing rib；60- pallet； 70- heater.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

The utility model first aspect embodiment is described below in detail, the example of the first embodiment is shown in the accompanying drawings Out, in which the same or similar labels are throughly indicated same or similar element or members with the same or similar functions Part.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the utility model, and should not be understood as pair The limitation of the utility model.

Fig. 1, Fig. 2 and Fig. 3 are please referred to, the crucible positioning component according to the utility model first aspect embodiment is described below 100, the position for the crucible 20 inside fixed heating room 30.The bottom surface of crucible 20 is placed in the pallet 60 inside heating room 30 On, heater 70 is equally spaced along the outside of crucible 20, and heater 70 can be evenly heated crucible 20 after being powered.Crucible Positioning component 100 includes at least three locating pieces 10, center line rotational symmetry point of at least three locating pieces 10 along heating room 30 Cloth.The both ends of each locating piece 10 are connected to respectively between crucible 20 and the inner wall 31 for heating room 30, at least three locating pieces 10 Collective effect is in crucible, so that crucible 20 is in the center of heating room 30 without moving.

In view of the non-abswolute level in top surface, pallet 60 and the contact area of the bottom surface of crucible 20 of the pallet 60 of crucible 20 have The factors such as the heated boiling of limit, internal liquid, the vibration of surrounding other equipment, in heating process, the position of crucible 20 is easy to happen partially It moves.Crucible 20 can be fixed on the center of heating room 30 by crucible positioning component 100, so as to prevent crucible 20 from adding Shift in position in thermal process further avoids the positional shift by crucible 20 and causes to steep the quality of raw crystal product It is unqualified.It is easily understood that crucible positioning component 100 passes through position of the fixed crucible 20 in heating room 30, improve all Such as the qualification rate and quality of the raw manufacture product of the bubble of sapphire class.

The structure and function of each component of the crucible positioning component 100 of the utility model first aspect embodiment are described below Energy.

Crucible positioning component 100 includes at least three locating pieces 10 of the center line rotational symmetry distribution along heating room 30.

It needs it is to be noted that crucible 20 and heating room 30 are coaxial arrangement, crucible in some embodiments of the utility model 20 outer wall 21 and the inner wall 31 of heating room 30 are two coaxial cylindrical surfaces, it is readily appreciated that each locating piece 10 can have There is same structure.In other embodiments, crucible 20 and heating room 30 can there are many arrangement form, each locating piece 10 Structure can according to its position difference and slight changes.

At least three locating pieces, 10 collective effect is in crucible 20, so that crucible 20 is located at the center of heating room 30.

Referring to figure 3. and Fig. 4, in some embodiments of the utility model, the quantity of locating piece 10 is can be with three；? In other embodiments, the quantity of locating piece 10 can be four.Three locating pieces 10, which can be realized, is fixed on heating for crucible 20 The center of room 30.Readily comprehensible, the quantity of locating piece 10 is more, and the fixed effect of crucible positioning component 100 is better.Hair The gap that hot 70 Ying Liuyu of body passes through locating piece 10, but if gap is excessive, will affect its being evenly heated to crucible 20. In view of cost and locating piece 10 pass through the arrangement form of heater 70, the quantity of preferred orientation part 10 can be 3-6.

Locating piece 10 includes the first abutting part 11 and the second abutting part 12.First abutting part 11 is used to abut with crucible 20, Second abutting part 12 is used to abut with the inner wall 31 of heating room 30.

In some optional forms of the present embodiment, the material of locating piece 10 is tungsten.The temperature of inside for heating room 30 is More than 2000 DEG C, the fusing point of tungsten metal is higher than 3000 DEG C, and solid-state can be remained in the heating process of crucible 20 and has one Fixed intensity.In other embodiments, the material of locating piece 10 can be any type of refractory metal.Locating piece 10 can be with By casting and forming, can also be formed by forging or other modes.

In some optional forms of the present embodiment, locating piece 10 along with the section of length direction vertical direction be 4cm × 4cm；In other embodiments, factors are cooperated etc. with the lid of crucible 20 according to the difference of selection and considering, locating piece 10 Section or partial cross section can also be other sizes and other shapes.

Referring to FIG. 5, the first abutting part 11 includes the first face 111 and the second face 112.Wherein, the first face 111 is used for and earthenware The outer wall 21 of crucible 20 abuts, and the second face 112 is used to press on the top surface 22 of crucible 20.Under the support of the second abutting part 12, The radial direction of crucible 20, the first face 111 can apply an active force to the outer wall 21 of crucible 20, to fix its radial position It sets.Under the support of pallet or the inner bottom surface for heating room 30, the second face 112 can give the top surface of crucible 20 in the vertical direction 22 apply a downward active force, to fix the position of the direction.

In some embodiments of the utility model, the first abutting part 11 can also include third face 113.Third face 113 Positioned at the other side opposite with the first face 111 in the second face 112, third face 113 and the first face 111 are located at the two of crucible 20 Side, third face 113 are adjacently positioned with the second face 112, and third face 113 can be contacted with the inner wall 23 of crucible 20.It is equivalent to, In the case that two abutting parts 12 abut loosely, third face 113 can make the first abutting part 11 be hooked in crucible 20 without falling, The stability of locating piece 10 used is ensured.

First face 111, the second face 112 and third face 113 form a U-type groove 114.The interior edge of U-type groove 114 is by the first face 111, the second face 112 and third face 113 are defined, and the edge of crucible 20 is stuck in U-type groove 114.Under abutting state, the first face 111 abut with the outer wall 21 of crucible 20, and the second face 112 is abutted with the top surface 22 of crucible 20.In some implementations of the utility model In example, the first abutting part 11 is equipped with a U-type groove 114, to be connected to crucible 20.In other embodiments, the first abutting part 11 It may include multiple U-type grooves 114, multiple U-type grooves 114 are connected to crucible 20 jointly, can be improved the hook of the first abutting part 11 Stability.Readily comprehensible, in the case where guaranteeing the intensity of U-type groove 114, the outer of U-type groove 114 can be any shape.

The length of the radial direction in crucible 20 in the second face 112 is greater than or equal to the wall thickness of crucible 20.In heating crucible During 20, the partially liq explosive evaporation of the inside of crucible 20 and the edge for freezing solidly on crucible 20, crucible in heating process 20 edge wall thickness can slightly increase.Therefore, the second face 112 can be greater than or equal in the length in the radial direction of crucible 20 The wall thickness of the crucible can also accommodate the edge of crucible 20 while enabling U-type groove 114 to accommodate the wall surface of crucible 20 Thickness increment.It is easily understood that on the direction of the center line of crucible 20, the length in third face 113 can be less than or equal to the 111 length on one side, can play the role of hook and guarantee that the first face 111 is sufficiently abutted with the outer wall 21 of crucible 20.

Second abutting part 12 includes fourth face 121, and fourth face 121 is abutted with the inner wall 31 of heating room 30.It is readily comprehensible, Second abutting part 12 is abutted by fourth face 121 with the inner wall 31 for heating room 30, and the outer wall of the first abutting part 11 and crucible 20 is made 21 close abuttings, so that locating piece 10 will not be fallen.

Referring to figure 2., in some embodiments of the utility model, the second abutting part 12 includes fourth face 121, fourth face 121 abut with the inner wall 31 of heating room 30.In other embodiments, it is readily appreciated that, fourth face 121 can be equipped at least one It is embedded in the non-slip groove of fourth face 121, in the horizontal direction to increase fourth face 121 in the frictional force of vertical direction.

The step of locating piece 10 being connected between the outer wall 21 of crucible 20 and the inner wall 31 of heating room 30 is as follows:

By the first abutting part 11 of locating piece 10 close to the outer wall 21 of crucible 20, U-type groove 114 is stuck in the wall of crucible 20 Edge contacts the first face 111 with the outer wall 21 of crucible 20, and the second face 112 is contacted with the top surface 22 of crucible 20；

By the second abutting part 12 of locating piece 10 close to the inner wall 31 of heating room 30, makes fourth face 121 and heat room 30 Inner wall 31 contacts；

Uniformly apply downward power to locating piece 10, abuts the first face 111 with the outer wall 21 of crucible 20, the second face 112 It is abutted with the top surface 22 of crucible 20, fourth face 121 is abutted with the inner wall 31 of heating room 30；

At this point, locating piece 10 has firmly been stuck between the outer wall 21 of crucible 20 and the inner wall 31 of heating room 30.

Please refer to Fig. 6, in some embodiments of the utility model, the first face 111 of the first abutting part 11 far from the The edge in two faces 112 is provided with chamfering 115.In the mistake being connected to locating piece 10 between crucible 20 and the inner wall 31 for heating room 30 Cheng Zhong, chamfering 115 abut before capable of contacting prior to the first abutting part 11 with the outer wall 21 of crucible 20 with the outer wall 21 of crucible 20. When locating piece 10 is clamped between crucible 20 and the inner wall 31 for heating room 30 by application external force, chamfering 115 can play pre-terminated The effect of touching, and it is avoided that the first abutting part 11 scratches the outer wall 21 of crucible 20.

Fig. 7 is please referred to, in some embodiments of the utility model, likewise, the fourth face 121 of the second abutting part 12 Lower edge is provided with chamfering 122.During being connected to locating piece 10 between crucible 20 and the inner wall 31 for heating room 30, Angle 122 abuts before capable of contacting prior to the second abutting part 12 with the inner wall 31 of heating room 30 with the inner wall 31 of heating room 30.Hold Intelligible, when locating piece 10 is clamped between crucible 20 and the inner wall 31 for heating room 30 by application external force, chamfering 122 can Play the role of pre-contact, and is avoided that the second abutting part 12 scratches the inner wall 31 of heating room 30.

Fig. 8 is please referred to, in some embodiments of the utility model, the first abutting part 11 to the second of locating piece 10 is abutted The reinforcing rib 50 arranged along the length direction of locating piece 10 is equipped between portion 12.Reinforcing rib 50 plays the length for improving locating piece 10 The effect of the intensity in direction can alleviate locating piece 10 and deform at high temperature, and can save material.It is readily comprehensible, In other embodiments, the area of section in the edge direction vertical with length direction of locating piece 10 can also be increased, it is fixed to improve The intensity of position part 10.

Crucible positioning component 100 further includes locating ring 40, and each locating piece is equipped with positioning region 13, and locating ring 40 is determined with each The positioning region 13 of position part 10 removably connects.

Fig. 9 is please referred to, in some embodiments of the utility model, a locating piece 10 first can be connected to crucible 20 Outer wall 21 and heat room 30 inner wall 31 between, locating ring 40 is caught in the positioning region 13 of the locating piece 10, then by other The positioning regions 13 of multiple locating pieces 10 be caught in the corresponding position of locating ring 40, realize the circumferentially fixed of multiple locating pieces 10.? In other embodiments, each locating piece 10 can also be first connected to the outer wall 21 of crucible 20 and the inner wall 31 of heating room 30 respectively Between, after locating ring is caught in the positioning region 13 of each locating piece 10.It is readily comprehensible, the cooperation of locating ring 40 and positioning region 13 Mode can be groove and wedge mutually, is also possible to be punched through bolt and fix, and can also be the other modes such as welding.

The crucible positioning component 100 of some embodiments of the utility model, including at least three locating pieces 10.First abuts Portion 11 is equipped with U-type groove 114, can not only reinforce the abutting function of the first abutting part 11, additionally it is possible to prevent the first abutting part 11 from falling It falls.The setting of chamfering 115 and chamfering 122, can be in locating piece 10 in the outer wall 21 for being stuck in crucible 20 and the inner wall of heating room 30 Play the role of pre- abutting during 31, and prevents plowing from wall surface.By being distributed along the center line rotational symmetry for heating room 30 At least three locating pieces 10, at least three locating pieces 10 are connected to respectively between crucible 20 and the inner wall 31 for heating room 30, at least Three locating pieces 10 secure the position of crucible 20 jointly, and crucible 20 is made to be located at the center of heating room 30.Crucible positioning component 100 Arrangement, can prevent crucible 20 from due to the positional shift that various factors occurs, and then having ensured crucible 20 during heating The crystal quality of the raw class product of the bubble of interior such as sapphire class.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be tied mutually It closes.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of crucible positioning component, for being located at the positioning for heating indoor crucible, which is characterized in that the crucible positioning group Part includes at least three locating pieces of the center line rotational symmetry distribution along heating room；

Each locating piece includes the first abutting part and the second abutting part being oppositely arranged, and first abutting part is used for and earthenware Crucible abut, second abutting part be used for it is described heating room inner wall abut, at least three locating pieces collective effect in The crucible is so that the crucible is located at the center of the heating room.

2. crucible positioning component according to claim 1, which is characterized in that first abutting part include for it is described The first face that the outer wall of crucible abuts.

3. crucible positioning component according to claim 2, which is characterized in that first abutting part is described including pressing on Second face of the top surface of crucible.

4. crucible positioning component according to claim 3, which is characterized in that first abutting part further includes third face, The third face and first face are located at the two sides of the crucible, and the third face is opposite with the inner wall of the crucible It answers, the third face is connect with second face.

5. crucible positioning component according to claim 3, which is characterized in that separate second face in first face Edge is provided with chamfering.

6. crucible positioning component according to claim 3, which is characterized in that the radial direction in the crucible in second face The length in direction is greater than or equal to the wall thickness of the crucible.

7. crucible positioning component according to claim 1, which is characterized in that second abutting part include for it is described Heat the fourth face that the inner wall of room abuts.

8. crucible positioning component according to claim 1, which is characterized in that the crucible positioning component further includes positioning Circle, each locating piece are equipped with positioning region, and the locating ring is removably connect with the positioning region, the locating ring and institute At least three locating pieces are stated to be formed as one with merging.

9. crucible positioning component according to claim 1, which is characterized in that first abutting part of the locating piece arrives The reinforcing rib arranged along the length direction of the locating piece is equipped between second abutting part.

10. crucible positioning component according to claim 1, which is characterized in that the material of the locating piece is tungsten.