Main shaft sealing structure

Abstract

The utility model belongs to the technical field of main shafts, and particularly discloses a main shaft sealing structure which comprises a main shaft body, a shaft cover and a sealing gasket body, the shaft cover is arranged at the end of the main shaft body, the sealing gasket body is arranged between the shaft cover and the main shaft body, and a sealing clamping gasket is arranged on the inner side of the sealing gasket body. A first sealing groove and a second sealing groove are formed in the opposite faces of the main shaft body and the shaft cover, the two ends of the sealing clamping pad are embedded in the first sealing groove and the second sealing groove respectively, an embedding groove is formed in the position, on the inner ring of the first sealing groove, of the end of the main shaft body, an embedding ring matched with the embedding groove is arranged on the shaft cover, and the embedding ring is embedded in the embedding groove. A clamping groove is formed in the outermost side of the end of the main shaft body, a clamping ring matched with the clamping groove is arranged on the outermost side of the shaft cover, the sealing effect is achieved through the arranged sealing gasket, the sealing effect is further improved by embedding the sealing clamping gasket into the first sealing groove and the second sealing groove, the sealing gasket body and the sealing clamping gasket are not exposed, and abrasion is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of spindles, and specifically relates to a spindle sealing structure. Background Technique

[0002] The spindle refers to the shaft on a machine tool that drives the workpiece or tool to rotate. Usually, a spindle component is composed of a spindle, bearings, and transmission parts (gears or pulleys). In a machine, it is mainly used to support transmission parts such as gears and pulleys, and to transmit motion and torque.

[0003] The existing sealing effect of the spindle is poor. Therefore, some people usually set a gasket between the spindle and the end cover to improve the sealing effect. For example, the Chinese utility model patent with the publication number CN216666262U specifically discloses a highly sealed oil and gas sealed spindle.

[0004] However, in the actual use process, people will find that the sealing gasket used in the above spindle is divided into a first part and a second part, and the spindle is wrapped by the first part and the second part. However, this makes the gasket exposed, which will accelerate the wear of the gasket during the working process, and the practicability is poor. Content of the Utility Model

[0005] The purpose of the utility model is to provide a spindle sealing structure to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A spindle sealing structure includes a spindle body, an end cover, and a gasket body. The end cover is arranged at the end of the spindle body, the gasket body is arranged between the end cover and the spindle body, a sealing gasket is arranged inside the gasket body, first and second sealing grooves are opened on the opposite surfaces of the spindle body and the end cover, both ends of the sealing gasket are respectively fitted into the first and second sealing grooves, and a fitting groove is opened on the inner circle of the first sealing groove at the end of the spindle body, and a fitting ring matching with the fitting groove is opened on the end cover, and the fitting ring is fitted into the fitting groove. The sealing effect is achieved through the provided gasket, and the sealing effect is further improved by fitting the sealing gasket into the first and second sealing grooves.

[0007] Preferably, a plurality of mutually aligned screw holes, through holes, and positioning holes are respectively opened on the spindle body, the gasket body, and the end cover, and the screw holes, through holes, and positioning holes are mutually aligned and fixed by bolts.

[0008] Preferably, the cross-section between the gasket body and the sealing gasket is T-shaped.

[0009] Preferably, the gasket body and the sealing gasket are made of rubber material.

[0010] Preferably, the gasket body and the sealing gasket are integrally formed.

[0011] Preferably, a clamping groove is formed in the outermost side of the end of the main shaft body, and a clamping ring matched with the clamping groove is arranged on the outermost side of the shaft cover, and the clamping ring is embedded in the clamping groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, the gasket body is arranged between the main shaft body and the shaft cover to achieve the sealing effect. The sealing gasket and the first sealing groove and the second sealing groove are arranged to further enhance the sealing effect. The gasket body and the sealing gasket are not exposed, reducing wear. By arranging the screw holes, through holes and positioning holes, the fixing effect between the end cover, the gasket body and the main shaft body is improved, effectively improving the practicability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a partial sectional structural schematic diagram of the present utility model;

[0016] Figure 3 is a separated structural schematic diagram of the shaft cover, the gasket body and the main shaft body of the present utility model.

[0017] In the figure: 1. Main shaft body; 101. Screw hole; 102. First sealing groove; 103. Fitting groove; 104. Clamping groove; 2. Shaft cover; 201. Positioning hole; 202. Second sealing groove; 203. Fitting ring; 204. Clamping ring; 3. Gasket body; 301. Sealing gasket; 302. Through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Please refer to Figures 1-3 , the present utility model provides a technical solution: a main shaft seal structure, including a main shaft body 1, a shaft cover 2, and a gasket body 3. The shaft cover 2 is arranged at the end of the main shaft body 1, the gasket body 3 is arranged between the shaft cover 2 and the main shaft body 1, a sealing gasket 301 is arranged inside the gasket body 3, first sealing grooves 102 and second sealing grooves 202 are formed on the opposite surfaces of the main shaft body 1 and the shaft cover 2, both ends of the sealing gasket 301 are respectively fitted into the first sealing groove 102 and the second sealing groove 202, and a fitting groove 103 is formed on the inner circle of the first sealing groove 102 at the end of the main shaft body 1, a fitting ring 203 matching the fitting groove 103 is formed on the shaft cover 2, and the fitting ring 203 is fitted into the fitting groove 103. The sealing effect is achieved through the arranged gasket, and the sealing effect is further improved by fitting the sealing gasket 301 into the first sealing groove 102 and the second sealing groove 202.

[0022] Furthermore, a plurality of mutually aligned screw holes 101, through holes 302, and positioning holes 201 are respectively formed on the main shaft body 1, the gasket body 3, and the end cover, and the screw holes 101, the through holes 302, and the positioning holes 201 are mutually aligned and fixed by bolts.

[0023] Furthermore, the cross-section between the gasket body 3 and the sealing gasket 301 is T-shaped.

[0024] Furthermore, the gasket body 3 and the sealing gasket 301 are made of rubber material.

[0025] Furthermore, the gasket body 3 and the sealing gasket 301 are integrally formed.

[0026] Furthermore, a clamping groove 104 is formed on the outermost side of the end of the main shaft body 1, a clamping ring 204 matching the clamping groove 104 is arranged on the outermost side of the shaft cover 2, and the clamping ring 204 is fitted into the clamping groove 104.

[0027] In summary, a gasket body 3 is installed between the spindle body 1 and the shaft cover 2 to achieve sealing. First sealing grooves 102 and second sealing grooves 202 are provided on the spindle body 1 and the shaft cover 2, and the first sealing grooves 102 and the second sealing grooves 202 are used in cooperation with the sealing gaskets 301 on the gasket body 3 to improve the sealing effect. The gasket body 3 and the sealing gaskets 301 are not exposed, reducing wear. Bolts are passed through the through holes 302 and the positioning holes 201 and screwed into the screw holes 101 to fix the shaft cover 2 and the gasket body 3, improving the overall fixing effect. A fitting ring 203 is provided to be fitted in the fitting groove 103, which can play a role in positioning and installation. At the same time, the cooperation of the snap ring 204 and the stop of the card slot 104 can strengthen the protection and positioning.

[0028] It should be noted that the entire device is controlled through the main control button. Since the devices matched with the control button are common devices and belong to the existing mature technologies, the electrical connection relationship and the specific circuit structure are not described in detail herein.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A main shaft sealing structure, characterized in that: The invention comprises a main shaft body (1), a shaft cover (2) and a sealing gasket body (3), wherein the shaft cover (2) is arranged at the end of the main shaft body (1), the sealing gasket body (3) is arranged between the shaft cover (2) and the main shaft body (1), a sealing card gasket (301) is arranged on the inner side of the sealing gasket body (3), a first sealing groove (102) and a second sealing groove (202) are provided on the opposite surfaces of the main shaft body (1) and the shaft cover (2), two ends of the sealing card gasket (301) are respectively embedded in the first sealing groove (102) and the second sealing groove (202), and an embedding groove (103) is provided at the end of the main shaft body (1) in the inner ring of the first sealing groove (102), an embedding ring (203) matched with the embedding groove (103) is provided on the shaft cover (2), and the embedding ring (203) is embedded in the embedding groove (103).

2. A main shaft sealing structure according to claim 1, characterized in that: The main shaft body (1), the sealing gasket body (3) and the end cover are respectively provided with a plurality of mutually aligned screw holes (101), through holes (302) and positioning holes (201); the screw holes (101), the through holes (302) and the positioning holes (201) are mutually aligned and fixed by bolts.

3. A main shaft sealing structure according to claim 1, characterized in that: The cross section between the sealing gasket body (3) and the sealing card gasket (301) is T-shaped.

4. A main shaft sealing structure according to claim 1, characterized in that: The sealing pad body (3) and the sealing clamping pad (301) are made of rubber material.

5. A main shaft sealing structure according to claim 1, characterized in that: The sealing pad body (3) and the sealing clamping pad (301) are integrally formed.

6. A main shaft sealing structure according to claim 1, characterized in that: The outermost side of the end of the main shaft body (1) is provided with a clamping groove (104), and the outermost side of the shaft cover (2) is provided with a clamping ring (204) matching with the clamping groove (104), and the clamping ring (204) is embedded in the clamping groove (104).

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