Sand blasting machine with dust protection function

Abstract

The utility model discloses a sand blasting machine with dust protection, which comprises a sand blasting treatment box, a sand blasting rod, a sand blasting gun, a driving device and a bearing, the bearing comprises a plummer block, a framework oil seal is arranged at the joint of the sand blasting rod and the plummer block, and the framework oil seal is arranged on one side of the plummer block close to the sand blasting treatment box. The framework oil seal is arranged at the joint of the mounted bearing and the sand blasting rod, so that dust and chippings can be effectively prevented from entering the bearing, smooth operation of the bearing is guaranteed, and the service life of the bearing is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting machines, in particular to a sandblasting machine with dust protection. Background Art

[0002] Sandblasting is a process of impacting and cutting the surface of workpieces with abrasives, which can thoroughly remove dirt, oxide layers, scratches, coatings, rust and other substances on the surface of objects, so that the surface of the workpiece can obtain a certain degree of cleanliness and different degrees of roughness, improve the mechanical properties of the workpiece surface, enhance the fatigue resistance of the workpiece, increase the adhesion between it and the coating, extend the durability of the coating, and also facilitate the leveling and decoration of the coating, eliminate the residual stress of the workpiece and improve the surface hardness of the substrate.

[0003] The sandblasting machine generally includes a sandblasting box, a sandblasting rod is provided in the sandblasting box, a sandblasting gun is provided on the sandblasting rod, and a driving device is provided outside the sandblasting box. The driving device is directly connected to the sandblasting rod, or is connected to the sandblasting rod through a crankshaft connecting rod, and the sandblasting rod is provided with a bearing at the connection. When the sandblasting machine is performing sandblasting operations, a lot of dust and debris will be generated. These dust and debris will enter the bearings during long-term operation, affecting the bearing lubrication effect, resulting in insufficient bearing lubrication, increased bearing wear, and further increased vibration and noise, causing bearing grinding damage, abrasions, groove marks, circumferential lines and debris pollution, which will lead to the expansion of the axial clearance or internal clearance of the bearing, reduce the fatigue life of the bearing, and even cause bearing eccentricity.

[0004] In response to the above problems, the applicant proposed a new technical solution. Utility Model Content

[0005] The purpose of the utility model is to provide a sandblasting machine with dust protection to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sandblasting machine with dust protection comprises a sandblasting box, a sandblasting rod, a sandblasting gun, a driving device and a bearing, wherein the bearing comprises a seat bearing, the sandblasting rod is provided with a skeleton oil seal at the connection between the sandblasting rod and the seat bearing, and the skeleton oil seal is arranged on the side of the seat bearing close to the sandblasting box.

[0007] Preferably, the sandblasting rod is provided with a dust cover thereon, wherein the dust cover is arranged adjacent to the seat bearing and is located between the sandblasting box and the seat bearing.

[0008] Preferably, the skeleton oil seal is arranged in the dust cover, and there is a pair of them, which are arranged on the two inner side walls of the dust cover.

[0009] Preferably, the dust cover is detachably connected to the side of the seat bearing.

[0010] Preferably, the dust cover and the seat bearing are elastically connected and tightened by an elastic connecting piece.

[0011] Preferably, the elastic connecting piece includes an elastic connecting column and a connecting head, the elastic connecting column includes a head, a tail and an elastic column body located in the middle, and a fin-shaped limiting fork is provided at the tail; the elastic connecting column passes through the connecting hole of the dust cover and the connecting hole of the seat bearing from the head and is fixed with the connecting head by snap-fitting, and the tail of the elastic connecting column is limited at the connecting hole of the dust cover.

[0012] Preferably, a positioning protrusion is provided on the side of the dust cover facing the seat bearing, and a positioning groove is provided on the side of the seat bearing facing the dust cover, and the positioning protrusion is correspondingly assembled in the positioning groove.

[0013] Preferably, a bearing shield is provided outside the bearing, and the bearing and the dust cover are both incorporated into the bearing shield.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a skeleton oil seal at the connection between the seat bearing and the sandblasting rod, which can effectively prevent dust and debris from entering the interior of the bearing, ensure the smooth operation of the bearing, and extend the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the installation of the sandblasting rod, the seat bearing and the bearing shield in the utility model;

[0016] Figure 2 This is a schematic diagram of the connection between the sandblasting rod and the seat bearing in the utility model;

[0017] Figure 3 It is a cross-sectional view of the sandblasting rod and the seat bearing in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the elastic connecting piece in the utility model.

[0019] In the figure: 1. Bearing with seat; 2. Sandblasting rod; 3. Skeleton oil seal; 4. Dust cover; 5. Elastic connecting column; 6. Connecting head; 7. Fish fin-shaped limit fork; 8. Bearing guard. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0021] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present utility model, and is only provided for reference and understanding of the preferred embodiments. The product components shown in the drawings may be changed in position, increased in number, or simplified in structure.

[0022] The "connection" described in the specification and the mutual "connection" relationship of the components shown in the drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be a direct connection or a connection through an intermediate medium. Ordinary technicians in this field can understand the connection relationship according to the specific circumstances and can derive different implementation methods in an appropriate manner such as screwing, riveting, welding, clamping or embedding.

[0023] With respect to the directional words such as up, down, left, right, top, bottom, etc. described in the specification and the directions shown in the drawings, the components may be in direct contact or in contact through other features between them; for example, "above" may mean directly above or obliquely above, or it simply means higher than other objects; other directions may be understood by analogy.

[0024] The materials for making parts with solid shapes shown in the specification and drawings may be metal materials, non-metal materials or other synthetic materials; the mechanical processing techniques used for parts with solid shapes may be stamping, forging, wire cutting, laser cutting, casting, injection molding, CNC milling, 3D printing, machining, etc.; ordinary technicians in this field can adaptively select or combine them according to different processing conditions, costs, and precisions, but are not limited to the above-mentioned materials and manufacturing processes.

[0025] A sandblasting machine with dust protection includes a sandblasting box, a sandblasting rod 2, a sandblasting gun, a driving device and a bearing, such as Figure 1 , 2 As shown in 3, the bearing includes a seat bearing 1, and the sandblasting rod 2 is provided with a skeleton oil seal at the connection between the sandblasting rod 2 and the seat bearing 1, and the skeleton oil seal is arranged on the side of the seat bearing 1 close to the sandblasting treatment box.

[0026] The utility model provides a skeleton oil seal at the connection between the seat bearing 1 and the sandblasting rod 2, which can effectively prevent dust and debris from entering the interior of the bearing, ensure the smooth operation of the bearing, and extend the service life of the bearing.

[0027] Preferably, Figure 2 , 3 As shown, the sandblasting rod 2 is provided with a dust cover 4 thereon, and the dust cover 4 is arranged adjacent to the seat bearing 1, and is located between the sandblasting treatment box and the seat bearing 1. The skeleton oil seal 3 is arranged in the dust cover 4, and there is a pair of them, which are arranged on the two inner side walls of the dust cover 4. The dust cover 4 can effectively prevent dust and debris from falling into the sandblasting rod 2 section at the skeleton oil seal 3, and prevent the sandblasting rod 2 from bringing dust and debris into the bearing when moving.

[0028] Preferably, the dust cover 4 is detachably connected to the side of the seat bearing 1 , and the manufacturer can disassemble the dust cover 4 and clean the sandblasting rod 2 sections in the dust cover 4 during the idle period of sandblasting.

[0029] Preferably, the dust cover 4 and the bearing seat 1 are elastically connected and tightened by an elastic connector, so that the two can be elastically tightened to prevent the sandblasting rod 2 from causing the dust cover 4 and the bearing seat 1 to cause relative displacement during movement.

[0030] Preferably, Figure 4 As shown, the elastic connecting piece includes an elastic connecting column 5 and a connecting head 6. The elastic connecting column 5 includes a head, a tail and an elastic column part located in the middle, and a fin-shaped limiting fork 7 is provided at its tail; the elastic connecting column 5 passes through the connecting hole of the dust cover 4 and the connecting hole of the seat bearing 1 from its head and is fixed with the connecting head 6 by snapping, and the tail of the elastic connecting column 5 is limited at the connecting hole of the dust cover 4.

[0031] Preferably, a positioning protrusion is provided on the side of the dust cover 4 facing the seat bearing 1, and a positioning groove is provided on the side of the seat bearing 1 facing the dust cover 4, and the positioning protrusion is correspondingly assembled in the positioning groove.

[0032] Preferably, Figure 1 As shown, a bearing shield 8 is provided outside the bearing, and the bearing and the dust cover 4 are both incorporated into the bearing shield 8 to further enhance dust protection.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sandblasting machine with dust protection, comprising a sandblasting box, a sandblasting rod (2), a sandblasting gun, a driving device and a bearing, characterized in that: The bearing comprises a seat bearing (1), wherein the sandblasting rod (2) is provided with a skeleton oil seal (3) at the connection between the sandblasting rod (2) and the seat bearing (1), and the skeleton oil seal (3) is arranged on the side of the seat bearing (1) close to the sandblasting treatment box.

2. A sandblasting machine with dust protection according to claim 1, characterized in that: The sandblasting rod (2) is provided with a dust cover (4) thereon, and the dust cover (4) is arranged adjacent to the seat bearing (1) and is located between the sandblasting box and the seat bearing (1).

3. A sandblasting machine with dust protection according to claim 2, characterized in that: The skeleton oil seal (3) is arranged in the dust cover (4), and there is a pair of the skeleton oil seals, which are arranged on the two inner side walls of the dust cover (4).

4. A sandblasting machine with dust protection according to claim 3, characterized in that: The dust cover (4) is detachably connected to the side of the seat bearing (1).

5. A sandblasting machine with dust protection according to claim 4, characterized in that: The dust cover (4) and the seat bearing (1) are elastically connected and tightened via an elastic connecting piece.

6. A sandblasting machine with dust protection according to claim 5, characterized in that: The elastic connecting piece comprises an elastic connecting column (5) and a connecting head (6); the elastic connecting column (5) comprises a head, a tail and an elastic column body located in the middle, and a fin-shaped limiting fork (7) is provided at the tail; the elastic connecting column (5) passes through the connecting hole of the dust cover (4) and the connecting hole of the seat bearing (1) from the head, and is then snap-fastened with the connecting head (6), and the tail of the elastic connecting column (5) is limited at the connecting hole of the dust cover (4).

7. A sandblasting machine with dust protection according to claim 3, characterized in that: The dust cover (4) is provided with a positioning protrusion on the side facing the seat bearing (1), and the seat bearing (1) is provided with a positioning groove on the side facing the dust cover (4), and the positioning protrusion is correspondingly assembled in the positioning groove.

8. A sandblasting machine with dust protection according to claim 1, characterized in that: A bearing shield (8) is arranged outside the bearing, and the bearing and the dust cover (4) are both incorporated into the bearing shield (8).

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