A spindle dust seal assembly

Abstract

The utility model discloses a main shaft dustproof sealing assembly belongs to lathe technical field, including spacing dustproof pipe, the inside of spacing dustproof pipe is provided with dustproof protection pipe, the inside of spacing dustproof pipe is provided with the double -lipped sealing piece corresponding with dustproof protection pipe, the end of spacing dustproof pipe is detachably connected with spacing gland for playing the spacing fixed effect to double -lipped sealing piece, and the side of spacing gland is provided with dustproof mechanism for playing dust removal protection effect to main shaft away from spacing dustproof pipe, dustproof mechanism includes hollow jet pipe, and the inside of hollow jet pipe is provided with the inclined jet through -hole for playing the jet cleaning effect to main shaft with the inclination of setting up, through the mutual cooperation of many structures, avoid the sealing structure and appear the condition that dustproof effect reduces fast with the increase of use time when using, improve the use experience of user to sealing structure.

Description

Technical Field

[0001] This utility model belongs to the field of machine tool technology, specifically relating to a spindle dustproof sealing component. Background Technology

[0002] Machine tools are machines that manufacture machinery and equipment. They play a vital role in the modernization of the national economy. A lathe is a machine tool that mainly uses a cutting tool to turn rotating workpieces. Drills, reamers, taps, dies, and knurling tools can also be used on a lathe for corresponding machining.

[0003] Lathes use corresponding sealing structures to protect the spindle from dust. However, traditional sealing structures are prone to wear during use, causing their dustproof effect to decrease rapidly with the increase of usage time, affecting the user's experience with the sealing structure, and urgently needing improvement. Utility Model Content

[0004] The purpose of this invention is to provide a spindle dustproof sealing assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a spindle dustproof sealing assembly, including a limiting dustproof tube, a dustproof protective tube disposed inside the limiting dustproof tube, a double-lip seal corresponding to the dustproof protective tube disposed inside the limiting dustproof tube, a limiting pressure cap detachably connected to the end of the limiting dustproof tube for limiting and fixing the double-lip seal, and a dustproof mechanism for dust removal and protection of the spindle disposed on the side of the limiting pressure cap away from the limiting dustproof tube.

[0006] As a further embodiment of this utility model: the dustproof mechanism includes a hollow jet pipe, the hollow jet pipe having an inclined jet through hole for cleaning the main shaft by jetting air inside, and a limiting connecting cylinder that is detachably connected to the limiting pressure cover is fixedly connected to one end of the hollow jet pipe near the dustproof protection pipe.

[0007] As a further improvement of this utility model: a number of detachable air supply cylinders are provided at the end of the hollow jet pipe away from the limiting dustproof pipe. The detachable air supply cylinders are installed through the side wall of the hollow jet pipe and are fixedly connected to the hollow jet pipe. A number of air supply holes are opened at the end of the detachable air supply cylinder near the inclined jet through hole.

[0008] As a further embodiment of this utility model: the other end of the detachable air cylinder is detachably connected to a detachable sealing cap, and a plurality of air supply pipes are provided at the end of the detachable sealing cap away from the detachable air cylinder, with the air supply pipes passing through the detachable sealing cap.

[0009] As a further improvement of this utility model: the interior of the detachable air cylinder is provided with several dust filter elements for filtering and removing dust. The dust filter elements are detachably connected to the detachable air cylinder, and the air supply pipe is fixedly connected to the detachable sealing cover.

[0010] As a further improvement of this utility model: a number of annular dustproof rings are provided at intervals on the inner wall of the limiting dustproof tube, the annular dustproof rings are fixedly connected to the limiting dustproof tube, and a number of annular grooves corresponding to the annular dustproof rings are opened on the outer wall of the dustproof protection tube.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the utility model has a simple structure and is easy to use. During use, the cooperation of multiple structures avoids the situation where the dustproof effect of the sealing structure decreases rapidly with the increase of use time, thus improving the user's experience of the sealing structure. Secondly, this utility model can provide multiple dustproof protection for the spindle, further improving the dustproof effect of the sealing component on the spindle. It is worth promoting and using. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0013] Figure 2 This is a schematic diagram of the dustproof mechanism in an embodiment of the present utility model;

[0014] Figure 3 This is a schematic diagram of the detachable air delivery cylinder in an embodiment of the present utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the limiting connecting cylinder in an embodiment of this utility model;

[0016] In the diagram: 1-Dustproof protection tube, 2-Limiting dustproof tube, 3-Annular dustproof ring, 4-Annular groove, 5-Double lip seal, 6-Dustproof mechanism, 7-Limiting pressure cap, 61-Hollow jet pipe, 62-Limiting connecting cylinder, 63-Inclined jet through hole, 64-Removable air supply cylinder, 65-Dustproof filter element, 66-Air supply pipe, 67-Removable sealing cap, 68-Air supply through hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1: Please refer to Figures 1-4 This utility model provides a technical solution: a spindle dustproof sealing assembly, including a limiting dustproof tube 2, a dustproof protection tube 1 inside the limiting dustproof tube 2, a double-lip seal 5 corresponding to the dustproof protection tube 1 inside the limiting dustproof tube 2, a limiting pressure cover 7 for limiting and fixing the double-lip seal 5 detachably connected to the end of the limiting dustproof tube 2, a dustproof mechanism 6 for dust removal and protection of the spindle on the side of the limiting pressure cover 7 away from the limiting dustproof tube 2, a plurality of annular dustproof rings 3 spaced apart on the inner wall of the limiting dustproof tube 2, the annular dustproof rings 3 being fixedly connected to the limiting dustproof tube 2, and a plurality of annular grooves 4 corresponding to the annular dustproof rings 3 being opened on the outer wall of the dustproof protection tube 1.

[0019] Please see Figures 1-4 To make the dustproof mechanism 6 more reliable, in this embodiment, preferably, the dustproof mechanism 6 includes a hollow jet pipe 61. The hollow jet pipe 61 has an inclined jet through hole 63 for cleaning the main shaft. The end of the hollow jet pipe 61 near the dustproof protection pipe 1 is fixedly connected to a limiting connecting cylinder 62 that is detachably connected to the limiting cover 7. The limiting connecting cylinder 62 and the limiting cover 7 are connected in a damped sliding connection. The end of the hollow jet pipe 61 away from the limiting dustproof pipe 2 is provided with several detachable air supply cylinders 64. The detachable air supply cylinders 64 are provided through the side wall of the hollow jet pipe 61 and are fixedly connected to the hollow jet pipe 61. The end of the detachable air supply cylinder 64 near the inclined jet through hole 63 is provided with several air supply holes 68.

[0020] Please see Figures 1-4 To make the dustproof mechanism 6 more reliable, in this embodiment, preferably, the other end of the detachable air supply cylinder 64 is detachably connected to a detachable sealing cover 67. The end of the detachable sealing cover 67 away from the detachable air supply cylinder 64 is provided with several air supply pipes 66, which pass through the detachable sealing cover 67. The interior of the detachable air supply cylinder 64 is provided with several dustproof filter elements 65 for filtering and removing dust. The dustproof filter elements 65 are sponge blocks, and the dustproof filter elements 65 are detachably connected to the detachable air supply cylinder 64. The air supply pipes 66 are fixedly connected to the detachable sealing cover 67.

[0021] Example 2: Please refer to Figures 1-4This utility model provides a technical solution: a spindle dustproof sealing assembly, including a limiting dustproof tube 2, a dustproof protection tube 1 inside the limiting dustproof tube 2, a double-lip seal 5 corresponding to the dustproof protection tube 1 inside the limiting dustproof tube 2, a limiting pressure cover 7 for limiting and fixing the double-lip seal 5 detachably connected to the end of the limiting dustproof tube 2, a dustproof mechanism 6 for dust removal and protection of the spindle on the side of the limiting pressure cover 7 away from the limiting dustproof tube 2, a plurality of annular dustproof rings 3 spaced apart on the inner wall of the limiting dustproof tube 2, the annular dustproof rings 3 being fixedly connected to the limiting dustproof tube 2, and a plurality of annular grooves 4 corresponding to the annular dustproof rings 3 being opened on the outer wall of the dustproof protection tube 1.

[0022] Please see Figures 1-4 To make the dustproof mechanism 6 more reliable, in this embodiment, preferably, the dustproof mechanism 6 includes a hollow jet pipe 61. The hollow jet pipe 61 has an inclined jet through hole 63 for cleaning the main shaft by jetting. The end of the hollow jet pipe 61 near the dustproof protection pipe 1 is fixedly connected to a limiting connecting cylinder 62 that is detachably connected to the limiting cover 7. The limiting connecting cylinder 62 is threadedly connected to the limiting cover 7. The end of the hollow jet pipe 61 away from the limiting dustproof pipe 2 is provided with several detachable air supply cylinders 64. The detachable air supply cylinders 64 are provided through the side wall of the hollow jet pipe 61 and are fixedly connected to the hollow jet pipe 61. The end of the detachable air supply cylinder 64 near the inclined jet through hole 63 is provided with several air supply holes 68.

[0023] Please see Figures 1-4 To make the dustproof mechanism 6 more reliable, in this embodiment, preferably, the other end of the detachable air supply cylinder 64 is detachably connected to a detachable sealing cover 67. A plurality of air supply pipes 66 are provided at the end of the detachable sealing cover 67 away from the detachable air supply cylinder 64. The air supply pipes 66 pass through the detachable sealing cover 67. The interior of the detachable air supply cylinder 64 is provided with dustproof gauze for filtering and removing dust. The dustproof filter element 65 is detachably connected to the detachable air supply cylinder 64. The air supply pipes 66 are fixedly connected to the detachable sealing cover 67.

[0024] The working principle and usage process of this utility model are as follows: During use, the annular dustproof ring 3 and the annular groove 4 cooperate to form a labyrinth dustproof structure. During use, the double-lip seal 5 isolates oil mist and dust. During use, air is sprayed into the main shaft through the inclined air jet hole 63, thereby achieving positive pressure cleaning through airflow and preventing debris from entering the sealing structure, which significantly improves the reliability of the sealing structure.

[0025] By cooperating with each other, this invention avoids the situation where the dustproof effect of the sealing structure decreases rapidly with the increase of usage time, thus improving the user experience of the sealing structure. Secondly, this invention can provide multiple dustproof protection for the spindle, further improving the dustproof effect of the sealing component on the spindle. In addition, this invention has a simple structure and is easy to use, making it worthy of promotion and use.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A spindle dustproof sealing assembly, comprising a limiting dustproof tube, characterized in that: The limiting dustproof tube is equipped with a dustproof protection tube inside, and a double-lip seal corresponding to the dustproof protection tube is installed inside the limiting dustproof tube. The end of the limiting dustproof tube is detachably connected to a limiting pressure cover for limiting and fixing the double-lip seal. A dustproof mechanism for dust removal protection of the spindle is provided on the side of the limiting pressure cover away from the limiting dustproof tube.

2. The spindle dustproof sealing assembly according to claim 1, characterized in that: The dustproof mechanism includes a hollow jet pipe with an inclined jet through hole inside for cleaning the main shaft. A limiting connecting cylinder that is detachably connected to the limiting cover is fixedly connected to one end of the hollow jet pipe near the dustproof protection pipe.

3. The spindle dustproof sealing assembly according to claim 2, characterized in that: The hollow jet pipe is provided with several detachable air supply cylinders at one end away from the limiting dustproof pipe. The detachable air supply cylinders are installed through the side wall of the hollow jet pipe and are fixedly connected to the hollow jet pipe. Several air supply holes are opened at one end of the detachable air supply cylinder near the inclined jet through hole.

4. The spindle dustproof sealing assembly according to claim 3, characterized in that: The other end of the detachable air cylinder is detachably connected to a detachable sealing cap. Several air supply pipes are provided at the end of the detachable sealing cap away from the detachable air cylinder, and the air supply pipes pass through the detachable sealing cap.

5. The spindle dustproof sealing assembly according to claim 4, characterized in that: The detachable air cylinder is equipped with several dust filter elements inside, which are used to filter and remove dust. The dust filter elements are detachably connected to the detachable air cylinder, and the air supply pipe is fixedly connected to the detachable sealing cover.

6. The spindle dustproof sealing assembly according to any one of claims 1-5, characterized in that: The inner wall of the limiting dustproof tube is provided with several annular dustproof rings at intervals. The annular dustproof rings are fixedly connected to the limiting dustproof tube. The outer wall of the dustproof protection tube is provided with several annular grooves corresponding to the annular dustproof rings.

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