CN211445990U - Wire winding wheel transmission guide mechanism for single crystal furnace - Google Patents
Wire winding wheel transmission guide mechanism for single crystal furnace Download PDFInfo
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- CN211445990U CN211445990U CN201922347111.0U CN201922347111U CN211445990U CN 211445990 U CN211445990 U CN 211445990U CN 201922347111 U CN201922347111 U CN 201922347111U CN 211445990 U CN211445990 U CN 211445990U
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Abstract
The utility model discloses a single crystal growing furnace is with rolling up silk wheel transmission guiding mechanism, including rolling up the silk machine, with it is connected with the integral key shaft to roll up the silk machine, just roll up the silk machine with integral key shaft sliding connection, just integral key shaft connection has gear motor, the top of rolling up the silk machine is equipped with the fixed pulley, roll up silk machine top fixed mounting has the leading wheel, just the axis of leading wheel with the axis of rolling up the silk machine is parallel, the outer edge of leading wheel with the helicla flute meshing of rolling up the silk machine. The utility model discloses a new-type leading wheel replaces traditional nut mechanism to roll up the silk wheel and leads the transmission, and the drive is rolled up the silk wheel and is removed along integral key shaft X axle direction, is changed into gyro wheel rolling friction transmission by traditional thread engagement friction transmission, alleviates the part wearing and tearing condition, improves part life, and overall dimension is little, and the installation is maintained conveniently, and is with low costs.
Description
Technical Field
The utility model relates to a guiding mechanism, in particular to a wire winding wheel transmission guiding mechanism for a single crystal furnace.
Background
At present, with the increasing development of the domestic photovoltaic market, the demand of batch single crystal furnace equipment is remarkably increased, the current czochralski silicon single crystal is developing towards the directions of high purity, high integrity, high uniformity and large diameter, a new growth technology of the large-diameter czochralski silicon single crystal is continuously explored, and the new technology of the single crystal furnace equipment has the advantages of having the important special problem of cost reduction in addition to good equipment functionality and stability. Improving the stability of the equipment and reducing the processing and manufacturing cost of the equipment are development targets of equipment manufacturers of single crystal furnaces and are inevitable trends of development of enterprises.
The stability of the dynamic balance of an upper shaft pulling system in the crystal pulling process of single crystal furnace equipment at present is one of the measurement standards of the product quality of manufacturers of the single crystal furnace equipment, the conventional upper shaft pulling system adopts a motor reducer to drive a spline shaft to rotate along the axial direction of the spline shaft to drive a wire winding wheel to rotate and wind a tungsten wire rope, a crystal bar is lifted or lowered through a fixed pulley, and the upper shaft pulling system integrally rotates along a Y axis to realize a straight pulling type crystal growth process; the traditional wire winding wheel comprises a spiral groove for winding a tungsten wire rope and a slender shaft with a guide thread at the tail end, the requirement on the thread synchronism of the two parts is high, the wire winding wheel is guided by thread meshing through a fixed nut mechanism when rotating and moves left and right along the axial direction of a spline shaft, the tungsten wire rope is ensured to be always kept in a vertical state while being wound on the wire winding wheel in the ascending and descending processes, and the crystal pulling stability is kept; the system has the problems that the wire winding wheel is longer, the synchronous precision requirement of a spiral groove of the wire winding wheel and a guide thread is higher, the overall dimension of a lifting cavity is larger, the system is integrally heavier, the rotational inertia is larger when the system rotates along a Y axis, and the like, and the crystal pulling stability of single crystal furnace equipment is greatly influenced, so that the equipment has the problem of crystal arc striking.
SUMMERY OF THE UTILITY MODEL
According to the technical problems, the wire winding wheel transmission guide mechanism for the single crystal furnace is provided. The utility model discloses a technical means as follows:
a wire winding wheel transmission guide mechanism for a single crystal furnace comprises a shell, wherein a wire winding machine is arranged in the shell, a spline shaft which is coaxial with the wire winding machine penetrates into the shell and is connected with the wire winding machine through a spline fixed on the spline shaft, the wire winding machine is in sliding connection with the spline shaft, the extending direction of the spline shaft is parallel to the axis direction of the wire winding machine, one end of the spline shaft is connected with a speed reducing motor for driving the spline shaft to rotate, a fixed pulley is arranged at the top of the shell, and the axis of the fixed pulley is parallel to the axis of the wire winding machine;
one end of a tungsten wire rope is fixedly connected with the wire winding machine, and the other end of the tungsten wire rope is spirally wound along a spiral groove of the wire winding machine, vertically upwards, vertically downwards penetrates through the shell after passing through a pulley groove of the fixed pulley and is fixedly connected with a mechanism to be lifted or lowered; a lifting cavity is processed at the position of the shell where the tungsten wire rope passes through;
a guide wheel is fixed on the inner wall of the shell, the axis of the guide wheel is parallel to the axis of the wire winding machine, and the outer edge of the guide wheel is meshed with the spiral groove of the wire winding machine;
and the tungsten wire rope coming out of the wire coiling machine is coincided with the plane of the wheel groove at any time.
The outer edge of the guide wheel is provided with two teeth, and the distance between the two teeth is the same as the lead of the spiral groove.
The wire winding machine is in sliding connection with the spline shaft through a flange sleeve fixed on the inner wall of the wire winding machine.
And the two ends of the shell are provided with side flanges for sealing the shell, and the side flanges are rotationally connected with the spline shaft.
The fixed pulley pass through fixed pulley support and fixed pulley axle with the top of casing is connected, the fixed pulley support include with casing top fixed connection's diaphragm with fix two otic placodes on the diaphragm, the fixed pulley axle passes two the otic placode with otic placode fixed connection, the fixed pulley is installed on the fixed pulley axle and with the fixed pulley axle rotates and is connected.
And a notch communicated with the lifting cavity is processed at the position, opposite to the bottom of the fixed pulley, of the transverse plate, and the bottom of the fixed pulley enters the lifting cavity through the notch.
In the use state: the speed reducing motor drives the spline shaft to rotate, the wire winding machine further rotates, the spiral groove is meshed with the two teeth on the outer edge of the guide wheel, the guide wheel drives the wire winding machine to move along the axis direction of the spline shaft, and at the moment, the tungsten wire rope coming out of the spiral groove can be overlapped with the plane of the groove.
The utility model has the advantages of it is following:
1. the novel guide wheel is adopted to replace a traditional nut mechanism to carry out guide transmission on the wire winding wheel, the wire winding wheel is driven to move along the X-axis direction of the spline shaft, the traditional thread meshing friction transmission is changed into roller rolling friction transmission, the abrasion condition of parts is relieved, the service life of the parts is prolonged, the appearance size is small, the installation and maintenance are convenient, and the cost is low;
2. compared with the traditional wire winding wheel, the overall length of the wire winding wheel is shortened by a half, and the material and processing cost is low.
3. The required lifting cavity has small overall dimension, the length of the spline shaft is shortened, the cost is saved, the weight of the upper shaft lifting system is effectively reduced, the integral turning radius is small, the rotational inertia is small, and the stability is high.
Based on the reason, the utility model can be widely popularized in the fields of single crystal furnaces and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced 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 inventive labor.
Fig. 1 is a schematic structural view of a wire winding wheel transmission guide mechanism for a single crystal furnace in an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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.
As shown in fig. 1 to 3, a wire winding wheel transmission guide mechanism for a single crystal furnace comprises a housing 1, wherein a wire winding machine 2 is installed in the housing 1, a spline shaft 3 coaxially arranged with the wire winding machine 2 penetrates into the housing 1 and is connected with the wire winding machine 2 through a spline 31 fixed on the spline shaft 3, the wire winding machine 2 is connected with the spline shaft 3 in a sliding manner, the extending direction of the spline 31 is parallel to the axial direction of the wire winding machine 2, one end of the spline shaft 3 is connected with a speed reduction motor 4 for driving the spline shaft 3 to rotate, a fixed pulley 5 is installed at the top of the housing 1, and the axial line of the fixed pulley 5 is parallel to the axial line of the wire winding machine 2;
one end of a tungsten wire rope 6 is fixedly connected with the wire winding machine 2, and the other end of the tungsten wire rope 6 is vertically upwards wound along a spiral groove 21 of the wire winding machine 2, vertically downwards penetrates through the shell 1 after passing through a wheel groove 51 of the fixed pulley 5, and is fixedly connected with a mechanism to be lifted or lowered; a lifting cavity 11 is processed on the shell 1 at the position where the tungsten wire rope 6 passes through;
a guide wheel 7 is fixed on the inner wall of the shell 1, the axis of the guide wheel 7 is parallel to the axis of the wire winding machine 2, and the outer edge of the guide wheel 7 is meshed with a spiral groove 21 of the wire winding machine 2;
the tungsten wire rope 6 coming out of the wire winding machine 2 is coincided with the plane of the wheel groove 51 at the moment.
The outer edge of the guide wheel 7 has two teeth 71, and the distance between the two teeth 71 is the same as the lead of the spiral groove 21.
The wire winding machine 2 is in sliding connection with the spline shaft 3 through a flange sleeve 22 fixed on the inner wall of the wire winding machine 1.
The both ends of casing 1 are installed and are sealed side flange 12 of casing 1, just side flange 12 with integral key shaft 3 rotates and is connected.
The fixed pulley 5 through fixed pulley support 52 and fixed pulley axle 53 with the top of casing 1 is connected, fixed pulley support 52 include with casing top fixed connection's diaphragm with fix two otic placodes on the diaphragm, the fixed pulley axle passes two the otic placode with otic placode fixed connection, the fixed pulley is installed on the fixed pulley axle and with fixed pulley axle 53 rotates and is connected.
And a notch communicated with the lifting cavity 11 is formed in the position, opposite to the bottom of the fixed pulley 5, of the transverse plate, and the bottom of the fixed pulley 5 enters the lifting cavity 11 through the notch.
In the use state: the speed reducing motor 4 drives the spline shaft 3 to rotate, so that the wire winding machine 2 rotates, the spiral groove 21 is meshed with the two teeth 71 on the outer edge of the guide wheel 7, the guide wheel 7 drives the wire winding machine 2 to move along the axial direction of the spline shaft 3, and at the moment, the tungsten wire rope 6 coming out of the spiral groove 21 can be overlapped with the plane of the wheel groove 51.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A wire winding wheel transmission guide mechanism for a single crystal furnace is characterized by comprising a shell, wherein a wire winding machine is arranged in the shell, a spline shaft coaxially arranged with the wire winding machine penetrates into the shell and is connected with the wire winding machine through a spline fixed on the spline shaft, the wire winding machine is in sliding connection with the spline shaft, the extending direction of the spline shaft is parallel to the axis direction of the wire winding machine, one end of the spline shaft is connected with a speed reducing motor for driving the spline shaft to rotate, a fixed pulley is arranged at the top of the shell, and the axis of the fixed pulley is parallel to the axis of the wire winding machine;
one end of a tungsten wire rope is fixedly connected with the wire winding machine, and the other end of the tungsten wire rope is spirally wound along a spiral groove of the wire winding machine, vertically upwards, vertically downwards penetrates through the shell after passing through a pulley groove of the fixed pulley and is fixedly connected with a mechanism to be lifted or lowered; a lifting cavity is processed at the position of the shell where the tungsten wire rope passes through;
a guide wheel is fixed on the inner wall of the shell, the axis of the guide wheel is parallel to the axis of the wire winding machine, and the outer edge of the guide wheel is meshed with the spiral groove of the wire winding machine;
and the tungsten wire rope coming out of the wire coiling machine is coincided with the plane of the wheel groove at any time.
2. The wire winding wheel transmission guide mechanism for the single crystal furnace according to claim 1, characterized in that: the outer edge of the guide wheel is provided with two teeth, and the distance between the two teeth is the same as the lead of the spiral groove.
3. The wire winding wheel transmission guide mechanism for the single crystal furnace according to claim 1, characterized in that: the wire winding machine is in sliding connection with the spline shaft through a flange sleeve fixed on the inner wall of the wire winding machine.
4. The wire winding wheel transmission guide mechanism for the single crystal furnace according to claim 1, characterized in that: and the two ends of the shell are provided with side flanges for sealing the shell, and the side flanges are rotationally connected with the spline shaft.
5. The wire winding wheel transmission guide mechanism for the single crystal furnace according to claim 1, characterized in that: the fixed pulley pass through fixed pulley support and fixed pulley axle with the top of casing is connected, the fixed pulley support include with casing top fixed connection's diaphragm with fix two otic placodes on the diaphragm, the fixed pulley axle passes two the otic placode with otic placode fixed connection, the fixed pulley is installed on the fixed pulley axle and with the fixed pulley axle rotates and is connected.
6. The wire winding wheel transmission guide mechanism for the single crystal furnace according to claim 5, characterized in that: and a notch communicated with the lifting cavity is processed at the position, opposite to the bottom of the fixed pulley, of the transverse plate, and the bottom of the fixed pulley enters the lifting cavity through the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347111.0U CN211445990U (en) | 2019-12-24 | 2019-12-24 | Wire winding wheel transmission guide mechanism for single crystal furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347111.0U CN211445990U (en) | 2019-12-24 | 2019-12-24 | Wire winding wheel transmission guide mechanism for single crystal furnace |
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| CN211445990U true CN211445990U (en) | 2020-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904499A (en) * | 2019-12-24 | 2020-03-24 | 大连连城数控机器股份有限公司 | Wire winding wheel transmission guide mechanism for single crystal furnace |
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- 2019-12-24 CN CN201922347111.0U patent/CN211445990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904499A (en) * | 2019-12-24 | 2020-03-24 | 大连连城数控机器股份有限公司 | Wire winding wheel transmission guide mechanism for single crystal furnace |
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