Dustproof hydrostatic guideway structure for grinding machine

Abstract

The dustproof static pressure guide rail structure comprises a base, fixed guide rails, movable guide rails and a workbench, the movable guide rails are arranged at the bottom of the workbench and correspond to the fixed guide rails in a one-to-one mode, and first hydraulic oil cavities located above the fixed guide rails are formed in the bottoms of the movable guide rails. A first baffle extending downwards to the outer side face of the fixed guide rail is arranged on the outer side of the movable guide rail, a second hydraulic oil cavity is formed in the inner side face of the first baffle, an avoiding groove is formed in the bottom of the outer side of the fixed guide rail in a concave mode, and a second baffle extending to the bottom face of the avoiding groove is arranged at the bottom of the first baffle. A third hydraulic oil cavity is formed in the top face of the second baffle. According to the dustproof static pressure guide rail structure for the grinding machine, the moving stability of the workbench is guaranteed, and protection on the fixed guide rail and the moving guide rail is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of hydrostatic guides, in particular to a dust-proof hydrostatic guide structure for a grinding machine. Background Art

[0002] In a hydrostatic grinding machine, a hydrostatic guide needs to be used. By introducing hydraulic oil between the contact surfaces of the relatively moving guides, an oil film is formed for load bearing, reducing the friction problem and improving the running smoothness of the workbench.

[0003] Most of the existing hydrostatic guides do not consider the dust-proof problem. Dust, iron filings, etc. during the processing process are likely to contaminate the contact surfaces, resulting in damage to the guide surface. For example, the utility model patent with the authorization announcement number CN100372646C discloses a pressure-reducing guide and its assembly method. The open slider is likely to cause dust to enter, thereby affecting the working reliability of the oil cavity and needs to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a dust-proof hydrostatic guide structure for a grinding machine, which simplifies the structure and improves the dust-proof effect and running smoothness.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A dust-proof hydrostatic guide structure for a grinding machine, comprising: a base, a fixed guide, a moving guide and a workbench. The fixed guides are symmetrically arranged on the base on the left and right. The workbench is horizontally suspended above the fixed guides. The moving guides are arranged at the bottom of the workbench and correspond to the fixed guides one by one. A first hydraulic oil cavity located above the fixed guide is arranged at the bottom of the moving guide. A first baffle extending downward to the outer side surface of the fixed guide is arranged outside the moving guide. A second hydraulic oil cavity is arranged on the inner side surface of the first baffle. A relief groove is concavely arranged at the bottom inside the outer side of the fixed guide. A second baffle extending to the bottom surface of the relief groove is arranged at the bottom of the first baffle. A third hydraulic oil cavity is arranged on the top surface of the second baffle.

[0007] Wherein, a first card slot corresponding to the bottom of the fixed guide is concavely arranged on the base, and the bottom of the fixed guide is arranged in the first card slot.

[0008] Wherein, a first screw connecting the fixed guide is arranged in the base.

[0009] Wherein, a second card slot corresponding to the top of the moving guide is concavely arranged on the bottom surface of the workbench, and the top of the moving guide is arranged in the second card slot.

[0010] Wherein, a second screw connecting the moving guide is arranged in the workbench.

[0011] Among them, several inverted T-shaped chutes are provided on the top surface of the workbench, and stepped holes corresponding to the second screws are provided in the inverted T-shaped chutes.

[0012] Among them, a driver connection seat is provided at the bottom of the workbench between the two side moving guide rails.

[0013] Among them, the moving guide rails, the first baffle, and the second baffle are made of an integrated steel structure.

[0014] The beneficial effects of the present utility model: A dust-proof hydrostatic guide rail structure for a grinding machine, with a simple structure and convenient assembly. Through the cooperation of the fixed guide rail and the moving guide rail, the guiding of the workbench is carried out, ensuring the smooth movement of the workbench. Dust-proof protection is carried out through the first baffle and the second baffle, preventing dust from entering the first hydraulic oil chamber, the second hydraulic oil chamber, and the third hydraulic oil chamber, which is beneficial to strengthening the protection of the fixed guide rail and the moving guide rail and extending the service life. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the present utility model. Detailed Embodiment

[0016] The following combines Figure 1 and further illustrates the technical solution of the present utility model through specific embodiments.

[0017] Such as Figure 1 The dust-proof hydrostatic guide rail structure for a grinding machine shown includes: a base 1, a fixed guide rail 6, a moving guide rail 2, and a workbench 10. The fixed guide rails 6 are symmetrically arranged on the base 1 on the left and right. In this embodiment, a first card slot 15 corresponding to the bottom of the fixed guide rail 6 is concavely provided in the base 1, and the bottom of the fixed guide rail 6 is arranged in the first card slot 15, with accurate positioning and convenient assembly. A first screw 14 connected to the fixed guide rail 6 is provided in the base 1, with a firm structure and convenient disassembly and assembly.

[0018] The workbench 10 is horizontally suspended above the fixed guide rail 6, and the moving guide rail 2 is arranged at the bottom of the workbench 10 and corresponds to the fixed guide rail 6 one by one. In this embodiment, a second card slot 16 corresponding to the top of the moving guide rail is concavely provided on the bottom surface of the workbench 10, and the top of the moving guide rail 2 is arranged in the second card slot 16, with accurate positioning and stable structure.

[0019] A second screw 9 connected to the moving guide rail 2 is provided in the workbench 10, with convenient disassembly and assembly. Such as Figure 1 shown, several inverted T-shaped chutes 11 are provided on the top surface of the workbench 10, facilitating the installation of the carrier. Stepped holes corresponding to the second screw 9 are provided in the inverted T-shaped chutes 11 to hide the second screw 9 and avoid being obtrusive.

[0020] A first hydraulic oil chamber 12 is provided at the bottom of the moving guide rail 2 and above the fixed guide rail 6. Hydraulic oil is introduced into the first hydraulic oil chamber 12 through an oil circuit to form an oil film between the bottom of the moving guide rail 2 and the top of the fixed guide rail 6, so as to carry the workbench 10.

[0021] As Figure 1 shown, a first baffle 7 extending downward to the outer side surface of the fixed guide rail 6 is provided on the outer side of the moving guide rail 2. A second hydraulic oil chamber 8 is provided on the inner side surface of the first baffle 7 to form an oil film between the inner side of the first baffle 7 and the outer side of the fixed guide rail 6 for left and right positioning.

[0022] A relief groove 3 is concavely provided at the bottom inside of the outer side of the fixed guide rail 6. A second baffle 5 extending to the bottom surface of the relief groove 3 is provided at the bottom of the first baffle 7, which has a good dust-proof effect. A third hydraulic oil chamber 4 is provided on the top surface of the second baffle 5 to form an oil film between the top surface of the second baffle 5 and the top surface of the relief groove 3 for upward limit positioning of the workbench 10, improving the running stability.

[0023] In this embodiment, the moving guide rail 2, the first baffle 7 and the second baffle 5 are made of an integrated steel structure, which has a stable structure, is convenient for production, simplifies the structure and is more rapid in assembly. In addition, a driver connection seat 13 located between the two moving guide rails 2 is provided at the bottom of the workbench 10, which is convenient for connection with a lead screw or a linear motor to realize the reciprocating forward and backward drive of the workbench 10 to meet the work of the grinding machine.

[0024] The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A dust-proof hydrostatic guide rail structure for a grinding machine, characterized in that, Including: A base, fixed guide rails, movable guide rails and a workbench. The fixed guide rails are symmetrically arranged on the base from left to right. The workbench is horizontally suspended above the fixed guide rails. The movable guide rails are arranged at the bottom of the workbench and correspond to the fixed guide rails one by one. A first hydraulic oil chamber located above the fixed guide rails is arranged at the bottom of the movable guide rails. A first baffle extending downward to the outer side surface of the fixed guide rails is arranged on the outer side of the movable guide rails. A second hydraulic oil chamber is arranged on the inner side surface of the first baffle. An avoidance groove is concavely arranged at the bottom inside of the outer side of the fixed guide rails. A second baffle extending to the bottom surface of the avoidance groove is arranged at the bottom of the first baffle. A third hydraulic oil chamber is arranged on the top surface of the second baffle.

2. The dust-proof hydrostatic guideway structure for a grinding machine according to claim 1, wherein A first card slot corresponding to the bottom of the fixed guide rails is concavely arranged on the base, and the bottom of the fixed guide rails is arranged in the first card slot.

3. The dust-proof hydrostatic guideway structure for a grinding machine according to claim 2, characterized in that, A first screw connected to the fixed guide rails is arranged in the base.

4. The dust-proof hydrostatic guide rail structure for a grinding machine according to claim 1, characterized in that, A second card slot corresponding to the top of the movable guide rails is concavely arranged on the bottom surface of the workbench, and the top of the movable guide rails is arranged in the second card slot.

5. The dust-proof hydrostatic guideway structure for a grinding machine according to claim 4, characterized in that, A second screw connected to the movable guide rails is arranged in the workbench.

6. The dust-proof hydrostatic guide rail structure for a grinding machine according to claim 5, characterized in that, Several inverted T-shaped sliding grooves are arranged on the top surface of the workbench, and stepped holes corresponding to the second screws are arranged in the inverted T-shaped sliding grooves.

7. The dust-proof hydrostatic guide rail structure for a grinding machine according to claim 1, characterized in that, A driver connection seat located between the movable guide rails on both sides is arranged at the bottom of the workbench.

8. The dust-proof hydrostatic guideway structure for a grinding machine according to claim 1, wherein The movable guide rails, the first baffle and the second baffle are made of an integrated steel structure.

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