CN215094820U

CN215094820U - Cutting and positioning jig for silicon single crystal rod

Info

Publication number: CN215094820U
Application number: CN202121367272.7U
Authority: CN
Inventors: 姚一忠; 潘分根
Original assignee: Kelaisi Semiconductor Intelligent Manufacturing Zhejiang Co ltd
Current assignee: Kelaisi Semiconductor Intelligent Manufacturing Zhejiang Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-10
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to the technical field of monocrystalline silicon processing, in particular to a monocrystalline silicon rod cutting and positioning jig, which comprises a base, a support frame, a controller, a placing mechanism, a pushing mechanism and a cleaning mechanism, wherein the placing mechanism is arranged at the top of the base and used for placing a monocrystalline silicon rod, the placing mechanism comprises a feeding table and two limiting components, the pushing mechanism is arranged on the support frame and used for pushing the monocrystalline silicon rod, the pushing mechanism comprises a push plate, a telescopic component and a driving component, the cleaning mechanism is arranged at the side of the feeding table and used for cleaning cutting scraps, the cleaning mechanism comprises a fan and a rotating component, the rotating component is arranged between the support frame and the feeding table, the fan is sleeved on the rotating component, and the driving component and the controller are electrically connected, the utility model discloses a monocrystalline silicon rod cutting and positioning jig, which has better positioning effect and can simultaneously meet the cutting of monocrystalline silicon rods with different sizes, and can clear up the cutting piece when the cutting, reduce the pollution, be favorable to promoting cutting efficiency cutting quality.

Description

Cutting and positioning jig for silicon single crystal rod

Technical Field

The utility model relates to a monocrystalline silicon processing technology field, concretely relates to monocrystalline silicon rod cutting positioning jig.

Background

The silicon single crystal rod is formed by shaping or pulling in a hearth through a zone melting or Czochralski process.

Chinese patent application No.: cn202011056516. x; the publication date is as follows: 2021.02.05 discloses a cutting device for single crystal silicon rod, which comprises a bottom plate, a workbench and a hanger arranged on the bottom plate, wherein a rod groove for bearing the silicon rod is arranged at the top of the workbench, and a bar extending opening communicated with the rod groove is arranged at one side of the workbench. And a cutting assembly is suspended right above the bar extending port. A material guide plate is rotatably arranged on the side wall of the workbench below the bar material extension opening. The hanger is provided with a first driving mechanism for driving the cutting assembly to reciprocate up and down and a second driving mechanism for driving the material guide plate to rotate in an arc-direction reciprocating manner. Through the driving mechanism I and the driving mechanism II arranged on the hanging bracket, the silicon rod extending out of the bar extending opening of the working platform can be continuously cut, time and labor are saved, the cutting efficiency and the cutting effect are improved, meanwhile, the silicon wafer formed after cutting can be timely and efficiently transmitted to the transmission mechanism, and the smooth proceeding of the subsequent silicon wafer production and processing process is ensured.

The prior art has the following defects:

1. the pushing of the single crystal silicon rod is realized through the output end of the direct current motor, and the feeding amount is uneven, so that the silicon rod is easily cut unevenly, and the product quality is reduced.

2. The monocrystalline silicon crystal bar is stored in the bar groove, a limiting structure and a buffering structure are not designed, the positioning effect is not good, the monocrystalline silicon crystal bar is easy to clamp during pushing, the pushing efficiency is reduced, feeding of monocrystalline silicon crystal bars with different sizes can not be met, and the practicability is remained to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single crystal silicon rod cutting positioning jig.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a cutting and positioning jig for silicon single crystal rods, which comprises a base and a support frame, and also comprises a controller, a placing mechanism, a pushing mechanism and a cleaning mechanism, wherein the placing mechanism is arranged at the top of the base and is used for placing the silicon single crystal rods, the placing mechanism comprises a feeding table and two limiting components, the feeding table is fixedly arranged at the top of the base, the top of the inner side of the feeding table is provided with a rectangular trough, the two limiting components are symmetrically arranged on the inner wall of the rectangular trough, the pushing mechanism is arranged on the support frame and is used for pushing the silicon single crystal rods, the pushing mechanism comprises a push plate, a telescopic component and a driving component, the driving component is arranged on the support frame, the telescopic component is inserted on the support frame, the push plate is fixedly arranged on the telescopic component, the cleaning mechanism is arranged at the side of the feeding table and is used for cleaning cutting scraps, the cleaning mechanism comprises a fan and a rotating component, the rotating component is arranged between the support frame and the feeding table, the fan is sleeved on the rotating assembly, and the driving assembly is electrically connected with the controller.

Preferably, the telescopic assembly comprises a screw rod, a sleeve and a push rod, the screw rod is rotatably arranged on the outer wall of the support frame through a rotating shaft, the sleeve is arranged on the outer wall of the support frame through a linear shaft in a socket joint mode, the push rod is fixedly arranged at one end, far away from the screw rod, of the push plate and the sleeve, and the screw rod is in threaded connection with the inner wall of the sleeve.

Preferably, the sleeve is close to the fixed limiting plate that is equipped with of one end of screw rod, is equipped with the through-hole that can supply the screw rod to pass on the limiting plate, and the fixed gag lever post that is equipped with in top of support frame, limiting plate and gag lever post cup joint, and the cover is equipped with expanding spring on the outer wall of gag lever post, and limiting plate and support frame are contradicted with expanding spring's both ends respectively.

Preferably, the driving assembly comprises a driving motor, a driving wheel, a driven wheel and a first belt, the driving motor is fixedly arranged on the outer wall of the supporting frame, the driving wheel is sleeved on the output end of the driving motor, the driven wheel is sleeved on the outer wall of the rotating shaft, the first belt is sleeved between the driving wheel and the driven wheel, and the driving motor is electrically connected with the controller.

Preferably, every spacing subassembly all includes mounting panel and a plurality of gyro wheel, and the mounting panel slides and sets up on the inner wall of rectangle silo, is equipped with the spout that can supply the mounting panel to stretch out and draw back on the inner wall of mounting panel, and a plurality of gyro wheel equidistant setting is on the mounting panel, and the outer wall of every gyro wheel all stretches into the inside in rectangle silo.

Preferably, the inside of every spout all is the symmetry and is provided with two guide arms, and every two guide arms all peg graft with a mounting panel, all overlaps on the outer wall of every guide arm to be equipped with spacing spring, and the inner wall of mounting panel and spout is contradicted with the both ends of every spacing spring respectively.

Preferably, rotating assembly includes first bevel gear, the second bevel gear, second belt and two synchronizing wheels, first bevel gear cover is established on driving motor's output, it is equipped with first articulated shaft to insert on the outer wall of support frame, the one end at first articulated shaft is established to the second bevel gear cover, first bevel gear and second bevel gear meshing are connected, it is equipped with the second articulated shaft to insert on the top outer wall of material loading platform, two synchronizing wheels overlap respectively and establish the one end of keeping away from first bevel gear and the one end of second articulated shaft at first articulated shaft, the fan cup joints with the other end of second articulated shaft, the second belt cover is established between two synchronizing wheels.

Preferably, one end of the rectangular trough, which is close to the push plate, is fixedly provided with a limiting block, and the limiting block is inserted into the push rod.

The utility model has the advantages that: when carrying out the cutting of monocrystalline silicon, at first fill in the logical inslot of rectangle at the inboard top of material loading platform with it, and one end to the monocrystalline silicon rod is pasted tightly with the push pedal, then start driving motor through the controller, thereby it is rotatory to drive the action wheel, because cup joint with the rotation axis from the driving wheel, the action wheel cup joints through first belt from the driving wheel, and then it is rotatory to drive the rotation axis, because it and screw rod fixed connection, screw rod and telescopic inner wall threaded connection, again because sleeve and support frame sliding connection, push pedal and sleeve respectively with the both ends fixed connection of push rod, thereby it slides to the one end that is close to the material loading platform to drive the sleeve through the screw rod rotation, and then drive the monocrystalline silicon rod that the groove inside is led to the rectangle to the propelling movement of being close to tangential one end to the drive push pedal.

When the push pedal is with single crystal silicon rod to the one end propelling movement that is close to cutter 27, the effect of location is played in the both ends contact of a plurality of gyro wheel and single crystal silicon rod, plays the auxiliary transportation effect simultaneously, is favorable to promoting pay-off efficiency, and the design of two spacing springs can give the certain buffer function of a plurality of gyro wheel, therefore can satisfy the location requirement of the single crystal silicon rod of equidimension not.

When the silicon single crystal rod is pushed to the cutter 27, because the first bevel gear is sleeved with the output end of the driving motor, the second bevel gear is meshed with the first bevel gear, one end of the first hinged shaft is sleeved with the second bevel gear, and because the two synchronizing wheels are respectively sleeved with the other end of the first hinged shaft and one end of the second hinged shaft, the two synchronizing wheels are sleeved through the second belt.

1. According to the invention, by designing the pushing mechanism, namely the push plate, the telescopic assembly and the driving assembly, and by adopting a screw rod pushing mode, compared with the prior art, the pushing distance is more uniform each time, so that the single silicon crystal rod is enabled to approach the cutter at a constant speed, the cutting is realized, the cutting length is ensured to be dedicated each time, the processing quality is favorably improved, and the loss is avoided.

2. According to the positioning jig, the placing mechanism, namely the feeding table and the two limiting assemblies are designed, when the pushing plate pushes the single crystal silicon rod to one end close to the cutter, the plurality of rollers are in contact with two ends of the single crystal silicon rod, so that the positioning effect is achieved, the auxiliary conveying effect is achieved, the feeding efficiency is favorably improved, the buffering function can be given to the plurality of rollers by the design of the two limiting springs, the positioning requirements of the single crystal silicon rods with different sizes can be met, and the practicability and flexibility of the jig are improved.

3. According to the silicon single crystal rod cutting device, the first bevel gear, the second belt and the two synchronous wheels are designed, so that the fan can be synchronously driven to rotate while the silicon single crystal rod is pushed to the cutter, and scraps and dust generated in cutting are blown away, so that on one hand, the scraps at the cutting position can be timely cleaned, the cutting is prevented from being influenced by accumulation, the cutting efficiency is favorably improved, on the other hand, the cutter is protected, and the cutting quality of the silicon single crystal rod is favorably improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic perspective view of the second embodiment of the present invention;

FIG. 4 is an enlarged view of FIG. 4 at B;

FIG. 5 is an enlarged view at C in FIG. 4;

fig. 6 is a schematic perspective view of the placement mechanism of the present invention;

FIG. 7 is an enlarged view of FIG. 6 at D;

in the figure: the automatic feeding device comprises a placing mechanism 1, a pushing mechanism 2, a cleaning mechanism 3, a feeding table 4, a limiting component 5, a push plate 6, a telescopic component 7, a driving component 8, a fan 9, a rotating component 10, a screw rod 11, a sleeve 12, a push rod 13, a limiting plate 14, a telescopic spring 15, a driving motor 16, a driving wheel 17, a driven wheel 18, a first belt 19, a mounting plate 20, a roller 21, a limiting spring 22, a first bevel gear 23, a second bevel gear 24, a second belt 25, a synchronizing wheel 26 and a cutter 27.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 7, the cutting and positioning jig for the silicon single crystal rod comprises a base, a support frame, a controller, a placing mechanism 1, a pushing mechanism 2 and a cleaning mechanism 3, wherein the placing mechanism 1 is arranged at the top of the base and used for placing the silicon single crystal rod, the placing mechanism 1 comprises a feeding table 4 and two limiting components 5, the feeding table 4 is fixedly arranged at the top of the base, a rectangular trough is arranged at the top of the inner side of the feeding table 4, the two limiting components 5 are symmetrically arranged on the inner wall of the rectangular trough, the pushing mechanism 2 is arranged on the support frame and used for pushing the silicon single crystal rod, the pushing mechanism 2 comprises a push plate 6, a telescopic component 7 and a driving component 8, the driving component 8 is arranged on the support frame, the telescopic component 7 is inserted on the support frame, the push plate 6 is fixedly arranged on the telescopic component 7, the cleaning mechanism 3 is arranged beside the feeding table 4 and used for cleaning cutting scraps, the cleaning mechanism 3 comprises a fan 9 and a rotating assembly 10, the rotating assembly 10 is arranged between the supporting frame and the feeding table 4, the fan 9 is sleeved on the rotating assembly 10, and the driving assembly 8 is electrically connected with the controller.

The telescopic component 7 comprises a screw rod 11, a sleeve 12 and a push rod 13, the screw rod 11 is arranged on the outer wall of the support frame through the rotation of a rotating shaft in a rotatable mode, the sleeve 12 is arranged on the outer wall of the support frame through a linear shaft socket, the push rod 13 is fixedly arranged at one end, far away from the screw rod 11, of the push plate 6 and the sleeve 12, the screw rod 11 is in threaded connection with the inner wall of the sleeve 12, when the rotating shaft rotates, due to the fact that the screw rod is fixedly connected with the screw rod 11, the screw rod 11 is in threaded connection with the inner wall of the sleeve 12, due to the fact that the sleeve 12 is in sliding connection with the support frame, the push plate 6 and the sleeve 12 are respectively in fixed connection with the two ends of the push rod 13, the sleeve 12 is driven to slide towards one end, close to the cutting end, of the single crystal silicon rod inside the rectangular through groove is driven to be pushed by the push plate 6.

The fixed limiting plate 14 that is equipped with of one end that sleeve 12 is close to screw rod 11, be equipped with the through-hole that can supply screw rod 11 to pass on the limiting plate 14, the fixed gag lever post that is equipped with in top of support frame, limiting plate 14 cup joints with the gag lever post, the cover is equipped with expanding spring 15 on the outer wall of gag lever post, limiting plate 14 and support frame are contradicted with expanding spring 15's both ends respectively, and finish by the cutting at a single crystal silicon rod, drive driving motor 16 reversal through the controller, thereby drive sleeve 12 through screw rod 11 reversal and reset, expanding spring 15 plays the cushioning effect.

8 package driving motor 16 of drive assembly, action wheel 17, from driving wheel 18 and first belt 19, driving motor 16 is fixed to be established on the outer wall of support frame, action wheel 17 cover is established on its output, from the outer wall of rotating shaft of 18 covers, first belt 19 cover is established between action wheel 17 and from driving wheel 18, driving motor 16 is connected with the controller electricity, when carrying out the cutting of monocrystalline silicon, at first pack it into the rectangle logical inslot at the inboard top of material loading platform 4, and one end and the push pedal 6 of monocrystalline silicon rod are pasted tightly, then start driving motor 16 through the controller, thereby drive action wheel 17 is rotatory, because from driving wheel 18 and rotating shaft cup joint, action wheel 17 cup joints through first belt 19 with from driving wheel 18, and then drive the rotating shaft rotation.

Every spacing subassembly 5 all includes mounting panel 20 and a plurality of gyro wheel 21, mounting panel 20 slides and sets up on the inner wall in rectangle silo, be equipped with the spout that can supply mounting panel 20 to stretch out and draw back on mounting panel 20's the inner wall, a plurality of gyro wheel 21 equidistant setting is on mounting panel 20, and the outer wall of every gyro wheel 21 all stretches into the inside in rectangle silo, when push pedal 6 with the monocrystalline silicon rod to the one end propelling movement that is close to cutter 27, a plurality of gyro wheel 21 contacts with the both ends of monocrystalline silicon rod, play the effect of location, play supplementary transport effect simultaneously, be favorable to promoting pay-off efficiency.

The inside of every spout all is the symmetry and is provided with two guide arms, and every two guide arms all pegs graft with a mounting panel 20, all overlaps on the outer wall of every guide arm and is equipped with spacing spring 22, and the inner wall of mounting panel 20 and spout is contradicted with every spacing spring 22's both ends respectively, and the design of two spacing springs 22 can give the certain buffer function of a plurality of gyro wheel 21, therefore can satisfy the location requirement of the monocrystalline silicon stick of equidimension not, has promoted the practicality and the flexibility of this tool.

The rotating component 10 comprises a first bevel gear 23, a second bevel gear 24, a second belt 25 and two synchronizing wheels 26, the first bevel gear 23 is sleeved on the output end of the driving motor 16, a first hinge shaft is inserted on the outer wall of the support frame, the second bevel gear 24 is sleeved on one end of the first hinge shaft, the first bevel gear 23 is meshed with the second bevel gear 24, a second hinge shaft is inserted on the outer wall of the top of the feeding table 4, the two synchronizing wheels 26 are respectively sleeved on one end of the first hinge shaft away from the first bevel gear 23 and one end of the second hinge shaft, the fan 9 is sleeved on the other end of the second hinge shaft, the second belt 25 is sleeved between the two synchronizing wheels 26, when the single crystal silicon rod is pushed towards the cutter 27, because the first bevel gear 23 is sleeved on the output end of the driving motor 16, the second bevel gear 24 is meshed with the first bevel gear 23, one end of the first hinge shaft is sleeved on the second bevel gear 24, because two synchronizing wheels 26 cup joint with the other end of first articulated shaft and the one end of second articulated shaft respectively again, two synchronizing wheels 26 cup joint through second belt 25, in addition, fan 9 cup joints with the second articulated shaft, and then it is rotatory to drive fan 9, when cutting the silicon rod at every turn promptly, utilize fan 9 to blow away the piece and the dust that the cutting produced in step, can in time clear up the piece of cutting department on the one hand, prevent to pile up and influence going on of cutting, be favorable to promoting cutting efficiency, on the other hand plays the effect of protection cutter 27 and promotes the cutting quality of single crystal silicon rod.

The rectangular trough is close to the fixed stopper that is equipped with of one end of push pedal 6, and the stopper is pegged graft with push rod 13, and the stopper plays the effect of spacing push rod 13, and then guarantees that the single crystal silicon rod is steadily pushed.

The utility model discloses a theory of operation: when the monocrystalline silicon is cut, firstly, the monocrystalline silicon is plugged into the rectangular through groove at the top of the inner side of the feeding platform 4, and one end of the single crystal silicon rod is tightly attached to the push plate 6, then the driving motor 16 is started through the controller, so as to drive the driving wheel 17 to rotate, because the driven wheel 18 is sleeved with the rotating shaft, the driving wheel 17 and the driven wheel 18 are sleeved through the first belt 19, and further the rotating shaft is driven to rotate, because the screw rod 11 is fixedly connected with the screw rod 11, the screw rod 11 is in threaded connection with the inner wall of the sleeve 12, and because the sleeve 12 is in sliding connection with the supporting frame, the push plate 6 and the sleeve 12 are respectively and fixedly connected with two ends of the push rod 13, thereby the sleeve 12 is driven to slide towards one end close to the feeding table 4 by the rotation of the screw rod 11, and then drive push pedal 6 with the inside single crystal silicon rod of rectangle logical groove to being close to the one end propelling movement of cutting, the stopper plays the effect of spacing push rod 13, and then guarantees that single crystal silicon rod is steadily pushed.

When the push pedal 6 with the single crystal silicon rod to the one end propelling movement that is close to cutter 27, the both ends contact of a plurality of gyro wheel 21 and single crystal silicon stick plays the effect of location, plays the auxiliary transportation effect simultaneously, is favorable to promoting pay-off efficiency, and the design of two spacing springs 22 can give the certain buffer function of a plurality of gyro wheel 21, therefore can satisfy the location requirement of the single crystal silicon stick of equidimension not, has promoted the practicality and the flexibility of this tool.

When the silicon single crystal rod advances to cutter 27, because first bevel gear 23 cup joints with the output of driving motor 16, second bevel gear 24 is connected with first bevel gear 23 meshing, the one end of first articulated shaft cup joints with second bevel gear 24, because two synchronizing wheels 26 cup joint with the other end of first articulated shaft and the one end of second articulated shaft respectively, two synchronizing wheels 26 cup joint through second belt 25, and in addition, fan 9 cup joints with the second articulated shaft, and then drive fan 9 rotatory, namely when cutting the silicon rod at every turn, utilize fan 9 to blow away the piece and the dust that the cutting produced in step, the piece of cutting department can in time be cleared up on the one hand, prevent to pile up and influence the going on of cutting, be favorable to promoting cutting efficiency, on the other hand plays the effect of protection cutter 27 and promotes the cutting quality of silicon single crystal rod.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a single crystal silicon rod cutting positioning jig, includes base and support frame, its characterized in that: the silicon single crystal silicon ingot pushing device is characterized by further comprising a controller, a placing mechanism (1), a pushing mechanism (2) and a cleaning mechanism (3), wherein the placing mechanism (1) is arranged at the top of the base and used for placing a silicon single crystal rod, the placing mechanism (1) comprises a feeding table (4) and two limiting components (5), the feeding table (4) is fixedly arranged at the top of the base, a rectangular trough is arranged at the top of the inner side of the feeding table (4), the two limiting components (5) are symmetrically arranged on the inner wall of the rectangular trough, the pushing mechanism (2) is arranged on the supporting frame and used for pushing the silicon single crystal rod, the pushing mechanism (2) comprises a pushing plate (6), a telescopic component (7) and a driving component (8), the driving component (8) is arranged on the supporting frame, the telescopic component (7) is inserted into the supporting frame, the pushing plate (6) is fixedly arranged on the telescopic component (7), the cleaning mechanism (3) is arranged at the side of the feeding table (4) and used for cleaning cutting scraps, the cleaning mechanism (3) comprises a fan (9) and a rotating assembly (10), the rotating assembly (10) is arranged between the supporting frame and the feeding table (4), the fan (9) is sleeved on the rotating assembly (10), and the driving assembly (8) is electrically connected with the controller.

2. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 1, wherein: the telescopic assembly (7) comprises a screw rod (11), a sleeve (12) and a push rod (13), the screw rod (11) is rotatably arranged on the outer wall of the support frame through a rotating shaft, the sleeve (12) is arranged on the outer wall of the support frame through a linear shaft socket, the push rod (13) is fixedly arranged at one end, far away from the screw rod (11), of the push plate (6) and the sleeve (12), and the screw rod (11) is in threaded connection with the inner wall of the sleeve (12).

3. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 2, wherein: sleeve (12) are close to fixed limiting plate (14) that is equipped with of one end of screw rod (11), are equipped with the through-hole that can supply screw rod (11) to pass on limiting plate (14), and the top of support frame is fixed and is equipped with the gag lever post, and limiting plate (14) cup joint with the gag lever post, and the cover is equipped with expanding spring (15) on the outer wall of gag lever post, and limiting plate (14) and support frame are contradicted with the both ends of expanding spring (15) respectively.

4. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 3, wherein: drive assembly (8) package driving motor (16), action wheel (17), follow driving wheel (18) and first belt (19), driving motor (16) are fixed to be established on the outer wall of support frame, and action wheel (17) cover is established on its output, overlaps from driving wheel (18) and establishes on the outer wall of rotation axis, and first belt (19) cover is established between action wheel (17) and follow driving wheel (18), and driving motor (16) are connected with the controller electricity.

5. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 4, wherein: every spacing subassembly (5) all includes mounting panel (20) and a plurality of gyro wheel (21), and mounting panel (20) slide to set up on the inner wall of rectangle silo, are equipped with the spout that can supply mounting panel (20) to stretch out and draw back on the inner wall of mounting panel (20), and a plurality of gyro wheel (21) equidistant setting is on mounting panel (20), and the outer wall of every gyro wheel (21) all stretches into the inside of rectangle silo.

6. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 4, wherein: the inside of every spout all is the symmetry and is provided with two guide arms, and every two guide arms all pegs graft with a mounting panel (20), all overlaps on the outer wall of every guide arm to be equipped with spacing spring (22), and the inner wall of mounting panel (20) and spout is contradicted with the both ends of every spacing spring (22) respectively.

7. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 5, wherein: rotating assembly (10) includes first bevel gear (23), second bevel gear (24), second belt (25) and two synchronizing wheel (26), first bevel gear (23) cover is established on the output of driving motor (16), it is equipped with first articulated shaft to insert on the outer wall of support frame, second bevel gear (24) cover is established in the one end of first articulated shaft, first bevel gear (23) and second bevel gear (24) meshing are connected, it is equipped with the second articulated shaft to insert on the top outer wall of material loading platform (4), two synchronizing wheel (26) overlap respectively and establish the one end of keeping away from first bevel gear (23) and the one end of second articulated shaft at first articulated shaft, fan (9) cup joint with the other end of second articulated shaft, second belt (25) cover is established between two synchronizing wheel (26).

8. The cutting and positioning jig for the silicon single crystal rod as set forth in claim 7, wherein: one end of the rectangular trough, which is close to the push plate (6), is fixedly provided with a limiting block, and the limiting block is inserted into the push rod (13).