CN214743350U - Labyrinth spindle nose sealing device - Google Patents
Labyrinth spindle nose sealing device Download PDFInfo
- Publication number
- CN214743350U CN214743350U CN202121034484.3U CN202121034484U CN214743350U CN 214743350 U CN214743350 U CN 214743350U CN 202121034484 U CN202121034484 U CN 202121034484U CN 214743350 U CN214743350 U CN 214743350U
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- spindle nose
- sealing layer
- bottom plate
- nose body
- sealing
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Abstract
The utility model discloses a labyrinth spindle nose sealing device relates to full spindle nose sealing field, and to the inside of present compound powder easy entry sealing device, the problem of increasing sealing device wearing and tearing, now propose following scheme, it includes the spindle nose body, the bottom of spindle nose body is provided with the bottom plate, just the connecting axle is installed at the top of bottom plate, the bottom of spindle nose body is provided with the recess, just recess and connecting axle phase-match, the recess all is provided with two sets ofly with the connecting axle, and it is symmetric distribution about the spindle nose body, one side of recess is provided with the gasket, just the gasket is fixed connection with the spindle nose body, the circumference outer wall of connecting axle is provided with first sealing layer, just first sealing layer is fixed connection with the bottom plate. The labyrinth type shaft head sealing device not only can be combined with a connecting shaft through the groove to form labyrinth type sealing, but also is matched with the first sealing layer and the second sealing layer to prevent composite powder from flowing into the device conveniently.
Description
Technical Field
The utility model relates to a spindle nose seals the field, especially relates to a labyrinth spindle nose sealing device.
Background
At present, the shaft head sealing device of the two-wire composite powder feeder adopts a mode of plugging a graphite packing to seal, but because the composite powder has certain flowing property, the composite powder can enter the inside of the sealing device along with the rotation of a shaft, so that the abrasion of the sealing device is increased, the powder leakage fault rate is increased after the abrasion of the sealing device, the maintenance rate is increased, and the use cost is greatly increased.
Aiming at the problem that composite powder is easy to enter the sealing device and abrasion of the sealing device is increased due to certain fluidity of the composite powder in the sealing device used by the composite powder feeder shaft head in the current market, a labyrinth type shaft head sealing device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a labyrinth spindle nose sealing device has solved the sealing device that the compound powder batcher spindle nose that exists on the present market used, because compound powder has certain mobility to lead to compound powder easily to enter into sealing device's inside, increase the problem of sealing device wearing and tearing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a labyrinth spindle nose sealing device, includes the spindle nose body, the bottom of spindle nose body is provided with the bottom plate, just the connecting axle is installed at the top of bottom plate, the bottom of spindle nose body is provided with the recess, just recess and connecting axle phase-match, the recess all is provided with two sets ofly with the connecting axle, and it is the symmetric distribution about the spindle nose body, one side of recess is provided with the gasket, just the gasket is fixed connection with the spindle nose body, the circumference outer wall of connecting axle is provided with first sealing layer, just first sealing layer is fixed connection with the bottom plate.
Preferably, a second sealing layer is fixedly mounted on one side of the first sealing layer, the second sealing layer is fixedly connected with the bottom plate, and the first sealing layer and the second sealing layer are both provided with two groups and are symmetrically distributed around the bottom plate.
Preferably, one side of the second sealing layer, which is far away from the first sealing layer, is provided with an elastic sheet, the bottom of the elastic sheet is fixedly connected with the bottom plate, and the top of the elastic sheet is in contact with the second sealing layer.
Preferably, one side fixed mounting of spindle nose body has the installation piece, one side fixed mounting of bottom plate has the fixed block, the installation piece all is provided with two sets ofly with the fixed block, and it is symmetric distribution about the spindle nose body.
Preferably, the inside of fixed block is provided with the set screw, just the set screw runs through the fixed block and extends to its outside with the installation piece, the set screw is threaded connection with the installation piece.
Preferably, the bottom of the spindle head body is provided with a discharge port, the inside of the bottom plate is provided with a material conveying port, and the discharge port is matched with the material conveying port.
The utility model has the advantages that:
1. the spindle nose body is convenient to be connected with the bottom plate through the fixing screw matched with the connecting block and the mounting block, the spindle nose body is convenient to protect through a gasket arranged at the bottom of the spindle nose body, and the elastic sheet arranged at the top of the bottom plate is convenient to guide out composite powder entering the inside of the device, so that the composite powder is prevented from flowing between the spindle nose body and the bottom plate.
2. Combine together through recess and connecting axle and form labyrinth seal, prevent that compound powder from getting into the inside of the device, cooperate first sealing layer and second sealing layer simultaneously and further prevent that compound powder from flowing to between spindle nose body and the bottom plate.
In conclusion, the device not only can form labyrinth seal through recess and connecting axle combination, and the cooperation is first sealing layer and second sealing layer simultaneously and is convenient for prevent that compound powder from flowing into the inside of the device to be convenient for carry out the water conservancy diversion to the compound powder that flows into the inside of the device through the shell fragment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
Reference numbers in the figures: 1. a spindle nose body; 2. a base plate; 3. mounting blocks; 4. fixing screws; 5. a fixed block; 6. a discharge port; 7. a material conveying port; 8. a groove; 9. a connecting shaft; 10. a gasket; 11. a first sealing layer; 12. a second sealing layer; 13. an elastic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a labyrinth spindle nose sealing device, the bottom of spindle nose body 1 is provided with bottom plate 2, just connecting axle 9 is installed at the top of bottom plate 2, the bottom of spindle nose body 1 is provided with recess 8, just recess 8 and connecting axle 9 phase-match, recess 8 all is provided with two sets ofly with connecting axle 9, and it is symmetric distribution about spindle nose body 1, one side of recess 8 is provided with gasket 10, just gasket 10 is fixed connection with spindle nose body 1, the circumference outer wall of connecting axle 9 is provided with first sealing layer 11, just first sealing layer 11 is fixed connection with bottom plate 2.
In this embodiment, one side fixed mounting of first sealing layer 11 has second sealing layer 12, just second sealing layer 12 is fixed connection with bottom plate 2, first sealing layer 11 all is provided with two sets ofly with second sealing layer 12, and it is the symmetric distribution about bottom plate 2, and first sealing layer 11 cooperation second sealing layer 12 is convenient for prevent compound powder and gets into inside the device, one side that first sealing layer 11 was kept away from to second sealing layer 12 is provided with shell fragment 13, just the bottom of shell fragment 13 is fixed connection with bottom plate 2, the top of shell fragment 13 contacts with second sealing layer 12, and shell fragment 13 is convenient for carry out the water conservancy diversion to the compound powder that flows into the device inside.
Further, one side fixed mounting of spindle nose body 1 has installation piece 3, one side fixed mounting of bottom plate 2 has fixed block 5, installation piece 3 all is provided with two sets ofly with fixed block 5, and it is symmetric distribution about spindle nose body 1, the inside of fixed block 5 is provided with fixed screw 4, just fixed screw 4 runs through fixed block 5 and extends to its outside with installation piece 3, fixed screw 4 is threaded connection with installation piece 3, and installation piece 3 is convenient for be connected spindle nose body 1 and bottom plate 2 with fixed block 5 cooperation fixed screw 4.
In addition, the bottom of spindle nose body 1 is provided with discharge gate 6, the inside of bottom plate 2 is provided with fortune material mouth 7, just discharge gate 6 and fortune material mouth 7 phase-match, fortune material mouth 7 cooperation discharge gate 6 is convenient for transport compound powder.
When the utility model is used, firstly the bottom plate 2 is taken out, and the bottom plate 2 is placed at a proper position, so that the connecting shaft 9 fixedly installed at the top of the bottom plate 2 is combined with the groove 8 arranged at the bottom of the spindle nose body 1, at the moment, the fixing screw 4 is taken out, passes through the fixing block 5 installed at one side of the bottom plate 2 and is in threaded connection with the installation block 3 installed at one side of the spindle nose body 1, and the bottom plate 2 is connected with the spindle nose body 1;
at this time, the first sealing layer 11 and the second sealing layer 12 arranged on the top of the bottom plate 2 are in contact with the gasket 10 arranged at the bottom of the spindle nose body 1 under the action of the fixing screws 4 and are mutually extruded, so that the composite powder transported in the spindle nose body 1 is prevented from flowing into the device, and the spindle nose body 1 and the bottom plate 2 are prevented from being directly contacted to cause damage;
meanwhile, the elastic sheet 13 fixedly arranged at the top of the bottom plate 2 is contacted with the gasket 10 fixedly arranged at the bottom of the spindle head body 1 and is bent under the action of the fixing screw 4 until the device is bent to a proper position, and the device can be normally used;
when the device uses, compound powder transports through discharge gate 6 and the inside fortune material mouth 7 that sets up of bottom plate 2 that the inside of spindle nose body 1 set up, and when compound powder flowed into the gap between spindle nose body 1 and the bottom plate 2, the shell fragment 13 of 2 top fixed mounting of bottom plate was convenient for lead compound powder to the inside of fortune material mouth 7.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a labyrinth spindle nose sealing device, includes spindle nose body (1), its characterized in that, the bottom of spindle nose body (1) is provided with bottom plate (2), just connecting axle (9) are installed at the top of bottom plate (2), the bottom of spindle nose body (1) is provided with recess (8), just recess (8) and connecting axle (9) phase-match, recess (8) all are provided with two sets ofly with connecting axle (9), and it is symmetric distribution about spindle nose body (1), one side of recess (8) is provided with gasket (10), just gasket (10) are fixed connection with spindle nose body (1), the circumference outer wall of connecting axle (9) is provided with first sealing layer (11), just first sealing layer (11) are fixed connection with bottom plate (2).
2. The labyrinth-type shaft head sealing device according to claim 1, characterized in that a second sealing layer (12) is fixedly mounted on one side of the first sealing layer (11), the second sealing layer (12) is fixedly connected with the bottom plate (2), and two groups of the first sealing layer (11) and the second sealing layer (12) are arranged and are symmetrically distributed about the bottom plate (2).
3. The labyrinth-type spindle nose sealing device according to claim 2, characterized in that a spring plate (13) is arranged on one side of the second sealing layer (12) away from the first sealing layer (11), the bottom of the spring plate (13) is fixedly connected with the bottom plate (2), and the top of the spring plate (13) is in contact with the second sealing layer (12).
4. The labyrinth type spindle nose sealing device according to claim 1, characterized in that a mounting block (3) is fixedly mounted on one side of the spindle nose body (1), a fixing block (5) is fixedly mounted on one side of the bottom plate (2), and two sets of the mounting block (3) and the fixing block (5) are arranged and are symmetrically distributed about the spindle nose body (1).
5. The labyrinth type spindle nose sealing device according to claim 4, characterized in that a fixing screw (4) is arranged inside the fixing block (5), the fixing screw (4) extends to the outside of the fixing block (5) and the mounting block (3) in a penetrating manner, and the fixing screw (4) is in threaded connection with the mounting block (3).
6. The labyrinth type spindle nose sealing device according to claim 1, characterized in that a discharge port (6) is provided at the bottom of the spindle nose body (1), a material conveying port (7) is provided inside the bottom plate (2), and the discharge port (6) is matched with the material conveying port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034484.3U CN214743350U (en) | 2021-05-14 | 2021-05-14 | Labyrinth spindle nose sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034484.3U CN214743350U (en) | 2021-05-14 | 2021-05-14 | Labyrinth spindle nose sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743350U true CN214743350U (en) | 2021-11-16 |
Family
ID=78622570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121034484.3U Active CN214743350U (en) | 2021-05-14 | 2021-05-14 | Labyrinth spindle nose sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743350U (en) |
-
2021
- 2021-05-14 CN CN202121034484.3U patent/CN214743350U/en active Active
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