Device for prolonging service life of fan of extension machine

Abstract

The utility model belongs to the field of fans, in particular to a device for prolonging the service life of a fan of an extension machine, which comprises a mandrel and bearings, support shafts are integrally formed at two ends of the mandrel, shaft sleeves are sleeved on the support shafts on two sides, and the bearings are sleeved on the shaft sleeves. The supporting shafts at the two ends of the mandrel are sleeved with the shaft sleeves so that the supporting shafts can be protected, the side walls of the shaft sleeves are thick, the abrasion resistance of the device is improved, and then the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of fans, in particular to a device for extending the service life of a fan of an epitaxial machine. Background Art

[0002] A fan is a mechanical device used to generate airflow, which is widely used in industrial production and daily life. There are mainly the following common types: centrifugal fan, axial flow fan, mixed flow fan, turbine fan.

[0003] The service life of the existing 12-inch epitaxial machine fan is too short, mainly due to the wear of the bearings and bearing seats, the wear of the bearing balls, which causes jamming and machine crashes. Therefore, a device for extending the service life of the epitaxial machine fan is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problems of wear of bearings and bearing seats, wear of bearing balls, resulting in jamming and machine crashes in the prior devices, the utility model provides a device for extending the life of an epitaxial machine fan.

[0005] The technical solution adopted by the utility model to solve its technical problem is: the device for extending the service life of the fan of an epitaxial machine described in the utility model includes a core shaft and a bearing, support shafts are integrally formed at both ends of the core shaft, shaft sleeves are sleeved on both sides of the support shaft, and the bearing sleeves are arranged on the shaft sleeves.

[0006] Preferably, a second plug hole is opened in the middle of the support shaft, and a first plug hole is opened at a corresponding position on the side wall of the sleeve. The first plug hole is adapted to the second plug hole, and a pin is inserted between the first plug hole and the second plug hole.

[0007] Preferably, a limiting hole is opened in the middle of the latch pin, a threaded hole is opened axially at the center of the end of the support shaft, the threaded hole is connected with the second socket, a fixing bolt is threadedly installed in the threaded hole, and the end of the fixing bolt is inserted into the limiting hole.

[0008] Preferably, the first and second plug holes are both rectangular holes, and the latch is adapted to the first and second limiting holes.

[0009] Preferably, a sliding groove is provided on the side wall of the support shaft, and a sliding bar is provided on the inner wall of the sleeve, and the sliding bar is adapted to the sliding groove.

[0010] Preferably, the bearing is a thickened double-row bearing.

[0011] Preferably, the outer wall of the sleeve is provided with a coating layer.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model provides shaft sleeves on the support shafts at both ends of the core shaft to protect the support shafts. The side walls of the shaft sleeves are thicker, which improves the wear resistance of the device and thus extends the service life of the device.

[0014] 2. The utility model facilitates the disassembly and replacement of the shaft sleeve through the structures of the first and second sockets, the latch, the limit hole, the fixing bolt, etc. When the shaft sleeve is worn, the shaft sleeve can be directly replaced without replacing the entire core shaft, thus saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0017] Figure 2 It is a structural schematic diagram of the shaft sleeve of the first embodiment;

[0018] Figure 3 It is a partial cross-sectional view of the first embodiment;

[0019] Figure 4 For Example 1 Figure 3 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 5 It is a structural schematic diagram of the support shaft of the first embodiment;

[0021] Figure 6 It is a schematic diagram of the structure of the coating layer of the second embodiment.

[0022] In the figure: 1. core shaft; 2. support shaft; 3. bearing; 4. sleeve; 5. slide groove; 6. slide bar; 7. latch; 8. socket one; 9. limit hole; 10. threaded hole; 11. fixing bolt; 12. socket two; 13. coating layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-5 As shown, a device for extending the service life of an epitaxial machine blower comprises a core shaft 1 and a bearing 3, wherein support shafts 2 are integrally formed at both ends of the core shaft 1, sleeves 4 are sleeved on the support shafts 2 at both sides, and the bearings 3 are sleeved on the sleeves 4; during operation, sleeves 4 are sleeved on the support shafts 2 at both ends of the core shaft 1 to protect the support shaft 2, and the side walls of the sleeves 4 are relatively thick, which improves the wear resistance of the device and thus extends the service life of the device; when the sleeves 4 are worn, the sleeves 4 can be directly replaced without replacing the core shaft 1 as a whole, thereby saving costs.

[0026] A second socket 12 is provided in the middle of the support shaft 2, and a first socket 8 is provided at a corresponding position on the side wall of the sleeve 4. The first socket 8 and the second socket 12 are adapted to each other, and a latch 7 is inserted between the first socket 8 and the second socket 12. During operation and installation, the sleeve 4 is inserted from the end of the support shaft 2, and the first socket 8 and the second socket 12 are aligned, and then the latch 7 is inserted into the first socket 8 and the second socket 12, and then the sleeve 4 is fixedly installed on the end of the support shaft 2, so that the sleeve 4 protects the support shaft 2.

[0027] A limiting hole 9 is provided in the middle of the latch 7, and a threaded hole 10 is provided axially at the center of the end of the support shaft 2, the threaded hole 10 is communicated with the second plug hole 12, a fixing bolt 11 is threadedly installed in the threaded hole 10, and the end of the fixing bolt 11 is inserted into the limiting hole 9; during operation, after the latch 7 is inserted into the first plug hole 8 and the second plug hole 12, the fixing bolt 11 is screwed into the threaded hole 10, and the end of the fixing bolt 11 is inserted into the limiting hole 9 in the middle of the latch 7, so as to limit the latch 7 and prevent the latch 7 from falling off from the first plug hole 8 and the second plug hole 12.

[0028] The plug hole 1 8 and the plug hole 2 12 are both rectangular holes, and the latch pin 7 is adapted to the limiting hole 9 1 and the limiting hole 9 2; when working, the position larger than the latch pin 7 is limited. When the latch pin 7 is inserted into the limiting hole 9 1 and the limiting hole 9 2, the limiting hole 9 can be opposite to the threaded hole 10, so that the fixing bolt 11 can be inserted into the limiting hole 9 for limiting.

[0029] A sliding groove 5 is provided on the side wall of the support shaft 2, and a sliding bar 6 is provided on the inner wall of the sleeve 4, and the sliding bar 6 is adapted to the sliding groove 5; during operation, when the sleeve 4 is installed at the end of the support shaft 2, the sliding bar 6 is first slidably inserted into the sliding groove 5 to limit the position of the sleeve 4. When the sleeve 4 is completely inserted into the support shaft 2, the socket 1 8 on the sleeve 4 can be completely aligned with the socket 2 12 on the support shaft 2 to install the pin 7.

[0030] The bearing 3 is a thickened double-row bearing; when working, the fan is more stable during rotation, the phenomenon of the bearing 3 being stuck is reduced, and the service life of the fan is extended.

[0031] Embodiment 2

[0032] See also Figure 6 As shown, in contrast to Example 1, as another implementation of the utility model, the outer wall of the sleeve 4 is provided with a coating layer 13; during operation, electrolytic plating is deposited on the surface of the sleeve 4 to form a wear-resistant nickel or chromium coating, thereby extending the service life of the sleeve 4.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for extending the life of an epitaxial machine fan, characterized in that: It comprises a core shaft (1) and a bearing (3), wherein the two ends of the core shaft (1) are integrally formed with support shafts (2), shaft sleeves (4) are sleeved on the support shafts (2) at both sides, and the bearing (3) is sleeved on the shaft sleeves (4).

2. The device for extending the life of an epitaxial machine blower according to claim 1, characterized in that: A second plug hole (12) is provided in the middle of the support shaft (2), and a first plug hole (8) is provided at a corresponding position on the side wall of the shaft sleeve (4). The first plug hole (8) and the second plug hole (12) are adapted to each other, and a latch (7) is inserted between the first plug hole (8) and the second plug hole (12).

3. The device for extending the life of an epitaxial machine blower according to claim 2, characterized in that: A limiting hole (9) is provided in the middle of the latch pin (7), a threaded hole (10) is provided in the center of the end of the support shaft (2) along the axial direction, the threaded hole (10) is communicated with the second insertion hole (12), a fixing bolt (11) is threadedly installed in the threaded hole (10), and the end of the fixing bolt (11) is inserted into the limiting hole (9).

4. The device for extending the life of an epitaxial machine blower according to claim 3, characterized in that: The first plug hole (8) and the second plug hole (12) are both rectangular holes, and the latch pin (7) is adapted to the first limiting hole (9) and the second limiting hole (9).

5. The device for extending the life of an epitaxial machine blower according to claim 4, characterized in that: A sliding groove (5) is provided on the side wall of the support shaft (2), and a sliding bar (6) is provided on the inner wall of the shaft sleeve (4), and the sliding bar (6) is adapted to the sliding groove (5).

6. The device for extending the life of an epitaxial machine blower according to claim 5, characterized in that: The bearing (3) is a thickened double-row bearing.

7. The device for extending the life of an epitaxial machine blower according to claim 6, characterized in that: The outer wall of the shaft sleeve (4) is provided with a coating layer (13).

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