CN219393972U - Signal line transmission mechanism of crystal rotating assembly - Google Patents
Signal line transmission mechanism of crystal rotating assembly Download PDFInfo
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- CN219393972U CN219393972U CN202320056081.1U CN202320056081U CN219393972U CN 219393972 U CN219393972 U CN 219393972U CN 202320056081 U CN202320056081 U CN 202320056081U CN 219393972 U CN219393972 U CN 219393972U
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Abstract
The utility model relates to a signal line transmission mechanism of a crystal rotating assembly, which comprises a conductive slip ring assembly, a magnetic fluid assembly and a supporting assembly. The magnetic fluid assembly comprises a magnetic fluid body and a magnetic fluid installation unit, and a conductive slip ring assembly is arranged between the magnetic fluid body and the magnetic fluid installation unit. The conductive slip ring assembly is sleeved on the magnetic fluid body. The conductive slip ring assembly includes a slip ring and a slip ring mounting plate. The sliding ring is sleeved on the magnetic fluid body, and an outer ring of the sliding ring is fixedly arranged on the magnetic fluid body. The magnetic fluid mounting unit comprises a mounting seat and a crisscross roller bearing. The mounting seat is arranged on the supporting component. The conductive slip ring assembly is directly arranged between the magnetic fluid body and the magnetic fluid mounting unit, the outer ring of the conductive slip ring assembly is fixed with the magnetic fluid body, the inner ring of the conductive slip ring assembly is fixed with the magnetic fluid mounting unit, and the positions of the conductive slip ring assembly and the magnetic fluid mounting unit are relatively static.
Description
Technical Field
The utility model relates to the technical field of single crystal furnace equipment, in particular to a signal line transmission mechanism of a crystal rotating assembly.
Background
The single crystal furnace comprises a furnace bottom plate, a main furnace chamber, a furnace cover, an isolation valve chamber, an auxiliary furnace chamber, a lifting mechanism and a crucible driving device. The lifting mechanism is used as a core part in the single crystal furnace and is arranged at the top end of a secondary furnace chamber of the single crystal furnace, and comprises a crystal rotating assembly, a crystal lifting assembly, a fixed pulley assembly, a distribution box assembly, a conductive slip ring assembly and a self-weight assembly, wherein the crystal lifting assembly is connected with the crystal rotating assembly and rotates along with the crystal rotating assembly.
The crystal rotating assembly is driven by the servo motor to drive the big belt pulley and the small belt pulley to drive the magnetic fluid shaft core so as to drive the lifting cavity connected with the magnetic fluid shaft core to rotate. The lifting cavity is connected with the crystal lifting assembly so that the crystal rotating assembly drives the crystal lifting assembly and the fixed pulley assembly arranged on the crystal lifting assembly to rotate.
The existing power supply and other signal wires are led out from the crystal rotating assembly, and the power supply and other signal wires are led into the crystal lifting assembly and other assemblies needing the power supply and other signal wires on the crystal lifting assembly through the conductive slip ring assembly, so that the crystal lifting assembly and other assemblies can be led into the power supply and other signal wires. It should be noted that, since the crystal rotating component drives other components to rotate, the conductive slip ring component is required to convert the fixed power supply and other signal lines into rotating power supply and other signal lines, so as to provide the power supply and other signal lines while matching with the rotation of the crystal lifting component and other components.
However, the current conductive slip ring assembly is disposed at the top of the fixed pulley assembly, as shown in fig. 1, and the conductive slip ring assembly connects the fixed pulley assembly with the connecting crystal transition assembly through a C-bracket, so that each power line and each signal line are led to the components such as the upper crystal lifting assembly and the limit switch through the C-bracket. The current installation mode of the conductive slip ring needs to frequently move the conductive slip ring when the tungsten wire rope needs to be replaced and overhauled in the single crystal furnace, so that the rotation center of the crystal lifting assembly and the rotation center of the magnetic fluid of the crystal rotating assembly are offset, and the conductive slip ring is extremely easy to damage.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a signal line transmission mechanism of a crystal rotating assembly, which solves the technical problem that when a tungsten wire rope needs to be replaced and overhauled in a single crystal furnace, a conductive slip ring needs to be frequently moved to cause the rotation center of the crystal rotating assembly and the rotation center of magnetic fluid of the crystal rotating assembly to deviate, so that the conductive slip ring is extremely fragile.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the signal line transmission mechanism of the crystal rotating assembly comprises a conductive slip ring assembly, a magnetic fluid assembly and a supporting assembly;
the supporting component is fixedly arranged on the single crystal furnace;
the magnetic fluid assembly comprises a magnetic fluid body and a magnetic fluid installation unit, an annular chamber is arranged between the magnetic fluid body and the magnetic fluid installation unit, and the annular chamber can accommodate the conductive slip ring assembly;
the conductive slip ring assembly is sleeved on the magnetic fluid body;
the conductive slip ring assembly comprises a slip ring and a slip ring mounting plate;
the sliding ring is sleeved on the magnetic fluid body, the inner ring of the sliding ring is fixedly connected with the sliding ring mounting plate, and the outer ring of the sliding ring is fixedly mounted on the magnetic fluid body;
the magnetic fluid mounting unit comprises a mounting seat and a crisscross roller bearing;
the mounting seat is arranged on the supporting component and is provided with a first through hole, the top end face of the first through hole is provided with an annular step end face, the annular step end face is used for bearing the crossed roller bearing, the outer ring of the crossed roller bearing is fixedly connected to the mounting seat, and the inner ring of the crossed roller bearing is fixedly connected to the magnetic fluid component.
Optionally, the magnetic fluid body comprises a support flange, a connecting cylinder wall and a magnetic fluid shaft core;
the supporting flange is fixedly connected with the crystal lifting assembly, the supporting flange is provided with a second through hole, the top end of the connecting cylinder wall is fixedly arranged at the bottom end of the supporting flange, the bottom end of the connecting cylinder wall is detachably connected with the inner ring of the crossed roller bearing, and the connecting cylinder wall is provided with a third through hole connected with the second through hole;
one end of the magnetic fluid shaft core sequentially passes through the second through hole, the third through hole and the first through hole from top to bottom and then is fixedly connected with the corrugated pipe flange.
Optionally, an annular step surface is arranged on the peripheral side wall of the magnetic fluid shaft core, and the annular step surface is used for installing the sliding ring.
Optionally, the magnetic fluid body further comprises a damping positioning sleeve, and the damping positioning sleeve is sleeved at the top of the magnetic fluid shaft core.
Optionally, the diameter of the third through hole is larger than the diameter of the second through hole.
Optionally, the supporting component is a disc-shaped structural component, and the supporting component is detachably connected with the mounting seat.
Optionally, a plurality of wire outlet holes are formed in the mounting base.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
according to the signal line transmission mechanism of the crystal rotating assembly, the conductive slip ring assembly is directly arranged in the annular cavity between the magnetic fluid body and the magnetic fluid installation unit, the outer ring of the conductive slip ring assembly is fixed with the magnetic fluid body, the inner ring of the conductive slip ring assembly is fixed with the magnetic fluid installation unit, and the positions of the conductive slip ring assembly and the magnetic fluid installation unit are relatively static.
Drawings
FIG. 1 is a schematic perspective view of the background art of the utility model;
FIG. 2 is a perspective view of the entire pull head of the present utility model;
FIG. 3 is a schematic perspective view of a bearing housing mechanism for a crystal turning assembly of the present utility model;
fig. 4 is a schematic cross-sectional structure of fig. 3.
[ reference numerals description ]
1: a conductive slip ring assembly; 11: a slip ring; 12: a slip ring mounting plate; 2: a magnetic fluid assembly; 21: a magnetic fluid body; 211: a support flange; 2111: a second through hole; 212: connecting the cylinder walls; 2121: a third through hole; 213: a magnetic fluid shaft core; 22: a magnetic fluid mounting unit; 221: a mounting base; 2211: a first through hole; 222: a cross roller bearing; 23: an annular chamber; 24: damping positioning sleeve; 3: and (3) a supporting assembly: 4: a wire outlet hole; 5: a transmission unit; 51: a driven pulley; 52: a transmission belt; 53: a driving pulley; 6: a power unit;
1': the conductive slip ring component in the background art; 2': a C-shaped bracket; a: a crystal lifting assembly; b: a stationary slip ring assembly; c: a bellows flange.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "left", "right", "front" and "rear" are made with reference to the orientation of fig. 1.
Referring to fig. 1 and 2, a crystal rotating assembly includes a bearing housing mechanism for the crystal rotating assembly and a power unit 6.
The bearing seat mechanism is connected with a corrugated pipe flange c at the bottom of the bearing seat mechanism.
The signal line transmission mechanism of the crystal rotating assembly provided by the embodiment of the utility model comprises a conductive slip ring assembly 1, a magnetic fluid assembly 2 and a supporting assembly 3.
Further, the support assembly 3 is fixedly installed on the single crystal furnace.
In the present embodiment, the magnetic fluid assembly 2 includes a magnetic fluid body 21 and a magnetic fluid mounting unit 22, and an annular chamber 23 is provided between the magnetic fluid body 21 and the magnetic fluid mounting unit 22, and the annular chamber 23 can accommodate the conductive slip ring assembly 1. The conductive slip ring assembly 1 is sleeved on the magnetic fluid body 21, and the conductive slip ring assembly 1 can convert a fixed transmission line into a rotating transmission line so as to match the rotation of the crystal rotating assembly and introduce the transmission line for the crystal lifting assembly a.
The conductive slip ring assembly 1 is directly arranged in the annular cavity between the magnetic fluid body 21 and the magnetic fluid mounting unit 22, the conductive slip ring assembly 1 is fixed with the magnetic fluid body 21, the inner ring of the conductive slip ring assembly 1 is fixed with the magnetic fluid mounting unit 22, and the positions of the conductive slip ring assembly 1 are relatively static, so that compared with the prior art, the C-shaped bracket is canceled, the disassembly and assembly are convenient, the damage rate of the conductive slip ring assembly is reduced to a great extent, and the maintenance is convenient.
Further, the conductive slip ring assembly 1 includes a slip ring 11 and a slip ring mounting plate 12.
The sliding electric ring 11 is sleeved on the magnetic fluid body 21, the inner ring of the sliding electric ring 11 is fixedly connected with the sliding electric ring mounting plate 12, and the outer ring of the sliding electric ring 11 is fixedly mounted on the magnetic fluid body 21.
The inner ring of the sliding ring 11 is fixed on the sliding ring mounting plate 21 in a stationary manner, and the outer ring of the sliding ring 11 is fixed to the magnetic fluid body 21 and rotates relatively with the magnetic fluid body 21.
Wherein, supporting component 3 fixed mounting is on the middle part connecting seat of single crystal growing furnace, and the bellows passes through the bellows flange setting between supporting component 3 and connecting seat.
Referring to fig. 3 to 4, the bottom of the magnetic fluid mounting unit 22 is fixedly connected to the support assembly 3, and may be detachably connected to the support assembly 3.
The support member 3 is a disk-shaped structural member. The top of the magnetic fluid mounting unit 22 is connected with the magnetic fluid body 21, and the magnetic fluid mounting unit 22 can bear the weight of the crystal lifting assembly a;
further, the magnetic fluid body 21 is arranged in a vertical state, the magnetic fluid body 21 passes through the magnetic fluid mounting unit 22, the top end of the magnetic fluid body 21 is fixedly connected with the crystal lifting assembly a, and the bottom end of the magnetic fluid body 21 is fixedly connected with the supporting assembly 3.
In the present embodiment, the crystal lifting assembly a includes a lifting cavity (not shown in the figure), and the magnetic fluid body 21 is fixedly connected with the lifting cavity.
Further, the magnetic fluid mounting unit 22 includes a mounting seat 221 and a cross roller bearing 222.
Referring to fig. 4, the mounting base 221 is detachably disposed on the support assembly 3, and the mounting base 221 has a first through hole 2211. The top end surface of the first through hole 2211 is provided with an annular step end surface, the annular step end surface is used for receiving the crossed roller bearing 222, and an outer ring of the crossed roller bearing 222 is detachably and fixedly connected to the annular step end surface of the mounting seat 221 through a first fixing piece. Specifically, the cross roller bearing 222 has a stationary outer race and an inner race that rotates relative to the outer race. The top of the inner ring of the cross roller bearing 222 is fixedly connected to the magnetic fluid body 21 through a second fixing member, and rotates as the magnetic fluid body 21 rotates. In addition, the first fixing piece and the second fixing piece are fastening pieces such as bolts. The mounting seat 221 completely receives the force in the axial direction due to the weight of the crystal lifting assembly a and the magnetic fluid body 21 in the axial direction, and thus the diameter of the mounting seat 221 needs to be larger to be able to receive more axial force. In the present embodiment, the diameter of the mounting seat 221 is smaller than the diameter of the support assembly 3 and larger than the diameter of the driven pulley 41. The axial force can be better borne.
Referring to fig. 2, the power unit 6 is connected to the magnetic fluid body 21 to drive the magnetic fluid body 21 to rotate relative to the axial bearing unit. The magnetic fluid body 21 is connected with the power unit 6 through the transmission unit 5.
Further, the transmission unit 5 includes a driven pulley 51, a transmission belt 52, and a driving pulley 53. The driving pulley 53 is sleeved on the outer side of the connecting cylinder wall 212, the driven pulley 51 is fixedly connected with the pressing part, the outer side walls of the driven pulley 51 and the driving pulley 53 are provided with meshing teeth, two ends of the driving belt 52 are respectively meshed with the meshing teeth of the driven pulley 51 and the meshing teeth of the driving pulley 53, and the driving pulley 53 is fixedly connected with the output end of the power unit 6.
Specifically, the power unit 6 includes a crystal rotation motor and a speed reducer, and the crystal rotation motor is fixedly connected with the driving pulley 53 through the speed reducer. The driving pulley 53 rotates to drive the driven pulley 51 to rotate through the meshing teeth and the transmission belt 52. The ratio of the diameter of the driving pulley 53 to the diameter of the driven pulley 51 was 1:4. The purpose is that the diameter of the driven belt wheel 51 is large, so that the magnetic fluid body 21 can be driven to rotate better, the radial load force which can be born by the magnetic fluid body is larger, and the rotating stability is improved. The small diameter of the driving pulley 53 saves space to make space compact while the efficiency of transmission is high.
Further, the ratio of the diameter of the crossed roller bearing 222 to the diameter of the driven pulley 51 is 1:0.95 to 1:0.98. the rotation diameter of the driven pulley 51 is close to the diameter of the crossed roller bearing 222, so that the stability of the whole structure during high-speed crystal rotation is improved, and the crystal pulling efficiency is improved to a certain extent.
Further, the magnetic fluid body 21 includes a support flange 211, a connecting cylinder wall 212, and a magnetic fluid shaft core 213.
In this embodiment, the support flange 211 is detachably and fixedly connected to the connection plate of the lift assembly a. The support flange 211 has a second through hole 2111. And the top of the magnetic fluid shaft core 213 is fixedly installed at the second through hole 2111 through a magnetic fluid connecting seat. The top end of the connecting cylinder wall 212 is fixedly arranged at the bottom end of the supporting flange 211, the bottom end of the connecting cylinder wall 212 is detachably connected with the inner ring of the crossed roller bearing 222, and the connecting cylinder wall 212 is provided with a third through hole 2121 connected with the second through hole 2111.
Further, one end of the magnetic fluid shaft core 213 passes through the second through hole 2111, the third through hole 2121 and the first through hole 2211 in sequence from top to bottom and then is fixedly connected with the bellows flange c.
Further, a pressing part is provided on the outer wall of the connecting cylinder wall 212, a driven pulley 51 of the transmission unit 5 is provided between the pressing part and the inner ring upper end surface of the crossed roller bearing 222, and the bottom of the driven pulley 51 is in an inclined conical shape so as to avoid affecting the work of the crossed roller bearing 222.
Further, the diameter of the third through hole 2121 is larger than the diameter of the second through hole 2111 so that an annular accommodation space is provided between the bottom end of the outer circumferential wall of the magnetic fluid shaft core 213 and the third through hole 2121, the annular accommodation space being provided with the conductive slip ring assembly 1. That is, in this embodiment, since the magnetic fluid shaft core 213 does not bear the force in the axial direction, the diameter of the magnetic fluid shaft core 213 is far smaller than that of the magnetic fluid body in the prior art, and compared with the magnetic fluid which is completely distributed in the bearing seat in the prior art, a gap is provided between the mounting seat 221 and the magnetic fluid shaft core 213 with a smaller diameter, and the gap is an annular accommodating space for placing the conductive slip ring assembly 1, so that the structure is compact, and the installation and the subsequent maintenance are facilitated.
Furthermore, the conductive slip ring assembly 1 is capable of converting a stationary transmission line into a rotating transmission line to introduce the transmission line for the crystal rotating assembly.
Further, the magnetic fluid shaft core 213 further comprises a damping positioning sleeve 24, wherein the damping positioning sleeve 24 is sleeved on the top of the magnetic fluid shaft core 213. The damping positioning sleeve 24 is arranged to improve the tightness of the crystal rotating assembly and has good sealing effect.
Further, the mounting base 221 is provided with a plurality of lightening holes 4. The weight-reducing hole 4 can reduce the weight of the mounting base 221 and can also accommodate the signal line of the conductive slip ring assembly 1 to be transmitted to the crystal lifting assembly a.
According to the bearing seat mechanism for the crystal rotating assembly, the magnetic fluid mounting unit 22 is used for directly bearing the weight of the whole crystal lifting assembly a, so that the axial and radial bearing force is not influenced by the axial core of the magnetic fluid body 21, and the magnetic fluid body 21 can bear larger axial force, so that only the force of a rotating part is borne by the magnetic fluid body 21, the strength and the rigidity of the axial core of the magnetic fluid body 21 are improved, and meanwhile, the rotating speed of the magnetic fluid unit is improved.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.
Claims (7)
1. The signal line transmission mechanism of the crystal rotating assembly is characterized by comprising a conductive slip ring assembly (1), a magnetic fluid assembly (2) and a supporting assembly (3);
the supporting component (3) is fixedly arranged on the single crystal furnace;
the magnetic fluid assembly (2) comprises a magnetic fluid body (21) and a magnetic fluid mounting unit (22), an annular cavity (23) is arranged between the magnetic fluid body (21) and the magnetic fluid mounting unit (22), and the annular cavity (23) can accommodate the conductive slip ring assembly (1);
the conductive slip ring assembly (1) is sleeved on the magnetic fluid body (21), and can convert a fixed transmission line into a rotating transmission line so as to match the rotation of the crystal rotating assembly and introduce the transmission line for the crystal lifting assembly (a);
the conductive slip ring assembly (1) comprises a slip ring (11) and a slip ring mounting plate (12);
the sliding electric ring (11) is sleeved on the magnetic fluid body (21), the inner ring of the sliding electric ring (11) is fixedly connected with the sliding electric ring mounting plate (12), and the outer ring of the sliding electric ring (11) is fixedly mounted on the magnetic fluid body (21);
the magnetic fluid mounting unit (22) comprises a mounting seat (221) and a crisscross roller bearing (222);
the mounting seat (221) is arranged on the supporting component (3), the mounting seat (221) is provided with a first through hole (2211), an annular step end face is arranged on the top end face of the first through hole (2211), the annular step end face is used for bearing the crossed roller bearing (222), the outer ring of the crossed roller bearing (222) is fixedly connected to the mounting seat (221), and the inner ring of the crossed roller bearing (222) is fixedly connected to the magnetic fluid component (2).
2. The signal line transmission mechanism of a crystal transition assembly according to claim 1, wherein the magnetic fluid body (21) comprises a support flange (211), a connecting cylinder wall (212) and a magnetic fluid shaft core (213);
the support flange (211) is fixedly connected with the crystal lifting assembly (a), the support flange (211) is provided with a second through hole (2111), the top end of the connecting cylinder wall (212) is fixedly arranged at the bottom end of the support flange (211), the bottom end of the connecting cylinder wall (212) is detachably connected with the inner ring of the crossed roller bearing (222), and the connecting cylinder wall (212) is provided with a third through hole (2121) connected with the second through hole (2111);
one end of the magnetic fluid shaft core (213) sequentially passes through the second through hole (2111), the third through hole (2121) and the first through hole (2211) from top to bottom and then is fixedly connected with the corrugated pipe flange.
3. The signal line transmission mechanism of a crystal transition assembly according to claim 2, characterized in that the outer peripheral side wall of the magnetic fluid shaft core (213) is provided with an annular step surface for mounting the wiper ring (11).
4. A signal line transmission mechanism for a crystal transition assembly according to claim 3, characterized in that the magnetic fluid body (21) further comprises a damping positioning sleeve (24), and the damping positioning sleeve (24) is sleeved on top of the magnetic fluid shaft core (213).
5. The signal line transmission mechanism of a wafer assembly according to claim 4, wherein a diameter of the third through hole (2121) is larger than a diameter of the second through hole (2111).
6. The signal line transmission mechanism of a wafer assembly according to claim 5, wherein the supporting member (3) is a disc-shaped structural member, and the supporting member (3) is detachably connected to the mounting base (221).
7. The signal line transmission mechanism of a wafer assembly according to claim 6, wherein the mounting base (221) is provided with a plurality of wire outlets (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320056081.1U CN219393972U (en) | 2023-01-09 | 2023-01-09 | Signal line transmission mechanism of crystal rotating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320056081.1U CN219393972U (en) | 2023-01-09 | 2023-01-09 | Signal line transmission mechanism of crystal rotating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393972U true CN219393972U (en) | 2023-07-21 |
Family
ID=87166874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320056081.1U Active CN219393972U (en) | 2023-01-09 | 2023-01-09 | Signal line transmission mechanism of crystal rotating assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393972U (en) |
-
2023
- 2023-01-09 CN CN202320056081.1U patent/CN219393972U/en active Active
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