A high-precision linear guide pair

Abstract

The utility model relates to the technical field of linear guide pairs, specifically a high-precision linear guide pair, including a guide rail, a slider slidably connected to the guide rail, connecting blocks are respectively installed on both sides of the slider, an oiling nozzle is installed on one of the connecting blocks, a storage groove is opened at the top of the slider, a heat dissipation component is installed on the storage groove, a retainer is installed in the slider, and a ball is installed on the retainer. During the smooth movement of the linear guide pair slider of this device, the displacement of the slider can be accurately limited by the setting of the protrusions on both sides of the slider, so that the guide pair can maintain a high-precision operation, a cooling fan is installed on the top of the slider to ensure the heat dissipation effect, and the dustproof net is effectively prevented from entering the interior through the cooling fan, and the dustproof net and the heat dissipation frame attract each other through the first magnet and the second magnet, which is convenient for disassembling and assembling the dustproof net. The entire guide pair can prevent dust and effectively reduce the temperature of the slider itself when working.

Description

Technical Field

[0001] The utility model relates to the technical field of linear guide rail pairs, in particular to a high-precision linear guide rail pair. Background Art

[0002] Linear guides can be understood as a rolling moving part, which is composed of rolling steel balls or rollers that roll infinitely between the slider and the guide rail, so that the load platform can perform high-precision linear motion along the guide rail. The rolling linear guide pair is composed of a guide rail with a raceway, a slider mounted on the guide rail, a rolling body that circulates between the slider and the guide rail, a return device, and a sealed end cover.

[0003] Chinese patent number CN201610516978.2 provides a rolling linear guide pair, including a linear guide, a slider, a return device and a ball, a return device is provided at each end of the slider, one surface of the slider is concave to form a first groove, the return device forms a groove corresponding to the first groove, a heat sink is provided on the inner wall of the first groove, and raceways are symmetrically provided on the left and right side walls of the first groove, a circulation channel is formed between the raceways and the return device, the ball is installed in the circulation channel, and the linear guide movably cooperates with the ball to make the slider move linearly relative to the guide rail.

[0004] When the linear guide pair is running, external dust is easy to adhere to the guide rail and the slider. When a large amount of dust accumulates, it will increase the movement resistance of the ball and the slider, thereby reducing the service life of the guide pair itself. At the same time, when the slider works under long-term high load, it is easy to generate high heat. When the heat of the slider cannot be dissipated in time, it is easy to affect the subsequent normal operation of the guide pair. A high-precision linear guide pair is needed to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision linear guide pair to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision linear guide pair, comprising a guide rail, a slider is slidably connected to the guide rail, connecting blocks are respectively installed on both side ends of the slider, an oiling nozzle is installed on one of the connecting blocks, a storage groove is provided at the top of the slider, a heat dissipation component is installed on the storage groove, a heat dissipation port is provided at the bottom end of the heat dissipation component and the inside of the slider, the heat dissipation port is connected to a channel, a retainer is installed in the slider, and a ball is installed on the retainer.

[0007] As an optimal technical solution of the utility model, a heat dissipation frame is installed on the heat dissipation assembly, a heat dissipation fan is installed on the heat dissipation frame, a dustproof net is installed at the bottom of the heat dissipation fan, and the dustproof net is located on the slot at the bottom of the heat dissipation frame.

[0008] As a preferred technical solution of the utility model, a second magnet is installed on the dustproof net, a first magnet is installed in the slot of the heat dissipation frame, and the dustproof net and the first magnet on the heat dissipation frame are attracted to each other through the second magnet.

[0009] As an optimal technical solution of the utility model, a limiting rod is fixedly installed at the bottom end of the heat dissipation frame, a positioning hole is provided on the limiting rod, a limiting block is fixedly installed on the storage slot, a positioning groove is provided on the limiting block, and the positioning groove is tightly fitted to the limiting rod and is connected through a locking screw.

[0010] As a preferred technical solution of the utility model, protrusions are fixedly installed on both side ends of the sliding block, and the protrusions are slidably connected to the arc grooves on both side ends of the guide rail.

[0011] As a preferred technical solution of the utility model, a gasket is installed between the connecting block and the guide rail, and the gasket is made of rubber material.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model is a high-precision linear guide pair. During the smooth movement of the linear guide pair slider of the device, the setting of the protrusions on both sides of the slider can accurately limit the displacement of the slider, so that the guide pair can maintain a high degree of precision. A cooling fan is installed on the top of the slider to ensure the heat dissipation effect. The dustproof net is effectively prevented from entering the interior through the cooling fan, and the dustproof net and the heat dissipation frame are attracted to each other by the first magnet and the second magnet, which is convenient for disassembly and assembly of the dustproof net. The entire guide pair can prevent dust and effectively reduce the temperature of the slider itself when it is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a high-precision linear guide pair according to an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure inside a high-precision linear guideway heat dissipation frame according to an embodiment of the utility model;

[0017] Figure 3 It is a front view of a high-precision linear guide pair according to an embodiment of the utility model.

[0018] Reference numerals:

[0019] 1. Guide rail; 2. Slider; 3. Connecting block; 4. Washer; 5. Bump; 6. Grease nozzle; 7. Storage slot; 8. Limit block; 9. Positioning slot; 10. Locking screw; 11. Dust plate; 12. Dust net; 13. Heat dissipation frame; 14. Cooling fan; 15. Slot; 16. First magnet; 17. Second magnet; 18. Limit rod; 19. Positioning hole; 20. Heat dissipation port; 21. Channel; 22. Retainer; 23. Ball. DETAILED DESCRIPTION

[0020] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0021] Example 1

[0022] refer to Figures 1 to 3 Embodiment 1 is described, comprising:

[0023] In this embodiment, a guide rail 1 is provided, on which a slider 2 is slidably connected, and connecting blocks 3 are respectively installed on both side ends of the slider 2, and an oiling nozzle 6 is installed on one place of the connecting block 3. A storage groove 7 is provided at the top of the slider 2, and a heat dissipation component is installed on the storage groove 7. A heat dissipation port 20 is provided at the bottom of the heat dissipation component and the inside of the slider 2, and the heat dissipation port 20 is connected to a channel 21. A retainer 22 is installed in the slider 2, and a ball 23 is installed on the retainer 22. Both side ends of the slider 2 are fixedly installed with protrusions 5, and the protrusions 5 are slidably connected to the arc grooves at both side ends of the guide rail 1. A gasket 4 is installed between the connecting block 3 and the guide rail 1, and the gasket 4 is made of rubber material.

[0024] In this embodiment, the retainer 22 provided in the slider 3 eliminates the friction between the balls 23, so that the balls 23 can be arranged evenly and move, and the provision of the arc-shaped protrusion 5 further ensures the sliding stability of the entire linear guide pair.

[0025] Example 2

[0026] refer to Figure 1 to Figure 2Example 2 is described. This embodiment further describes Example 1, including a heat dissipation frame 13 installed on the heat dissipation assembly, a heat dissipation fan 14 installed on the heat dissipation frame 13, a dust screen 12 installed at the bottom of the heat dissipation fan 14, the dust screen 12 is located on the slot 15 at the bottom of the heat dissipation frame 13, a second magnet 17 is installed on the dust screen 12, a first magnet 16 is installed in the slot 15 of the heat dissipation frame 13, the dust screen 12 attracts the first magnet 16 on the heat dissipation frame 13 through the second magnet 17, a limiting rod 18 is fixedly installed at the bottom of the heat dissipation frame 13, a positioning hole 19 is opened on the limiting rod 18, a limiting block 8 is fixedly installed on the storage slot 7, a positioning slot 9 is opened on the limiting block, and the positioning slot 9 is tightly fitted with the limiting rod 18 and is connected through the locking screw 10;

[0027] In this embodiment, the cooling fan 14 and the dustproof net 12 can prevent dust from entering the interior through the cooling fan 14, and the dustproof net and the heat dissipation frame 13 are easy to disassemble and assemble, which can effectively reduce the temperature of the slider 2 itself when working.

[0028] In specific applications, during the smooth movement of the linear guide slider of the device, the setting of the protrusions 5 on both side ends of the slider 2 can accurately limit the deviation of the slider 2, so that the guide pair can maintain a high degree of precision in operation. A heat dissipation frame 13 is installed on the top of the slider 2, wherein a heat dissipation fan 14 is installed on the heat dissipation frame 13, and a dustproof net 12 is provided at the bottom of the heat dissipation fan 14, which effectively prevents dust from entering the interior through the heat dissipation fan 14, and the dustproof net and the heat dissipation frame 13 are attracted to each other through the first magnet 16 and the second magnet 17, which is convenient for disassembly and assembly of the dustproof net 12, and the heat dissipation frame 13 is fitted with the positioning groove 9 on the limit block 8 through the limit rods 18 at the bottom ends of both sides, and is locked through the locking screw 10, which also facilitates the disassembly and assembly of the heat dissipation frame 13, and cooperates with the gasket setting on the connecting block 3, so that the entire guide pair can prevent external dust from adhering to the guide rail 1 and the slider 2 during use, and can effectively reduce the temperature of the slider 2 itself during operation, thereby ensuring the practicability of the device.

[0029] In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-precision linear guide pair, characterized in that: The invention comprises a guide rail (1), a slider (2) being slidably connected to the guide rail (1), a connecting block (3) being respectively installed at both side ends of the slider (2), an oiling nozzle (6) being installed at one position on the connecting block (3), a storage groove (7) being provided at the top of the slider (2), a heat dissipation component being installed on the storage groove (7), a heat dissipation port (20) being provided at the bottom end of the heat dissipation component and inside the slider (2), the heat dissipation port (20) being connected to a channel (21), a retainer (22) being installed in the slider (2), and a ball (23) being installed on the retainer (22).

2. A high-precision linear guide pair according to claim 1, characterized in that: A heat dissipation frame (13) is installed on the heat dissipation assembly, a heat dissipation fan (14) is installed on the heat dissipation frame (13), a dustproof net (12) is installed at the bottom end of the heat dissipation fan (14), and the dustproof net (12) is located on a slot (15) at the bottom end of the heat dissipation frame (13).

3. A high-precision linear guide pair according to claim 2, characterized in that: A second magnet (17) is installed on the dustproof net (12), a first magnet (16) is installed in the slot (15) of the heat dissipation frame (13), and the dustproof net (12) and the first magnet (16) on the heat dissipation frame (13) are attracted to each other via the second magnet (17).

4. A high-precision linear guide pair according to claim 2, characterized in that: A limiting rod (18) is fixedly installed at the bottom end of the heat dissipation frame (13), a positioning hole (19) is provided on the limiting rod (18), a limiting block (8) is fixedly installed on the storage slot (7), a positioning groove (9) is provided on the limiting block (8), and the positioning groove (9) is tightly fitted with the limiting rod (18) and is connected through a locking screw (10).

5. A high-precision linear guide pair according to claim 1, characterized in that: Both side ends of the slider (2) are fixedly mounted with protrusions (5), and the protrusions (5) are slidably connected to the arc grooves at both side ends of the guide rail (1).

6. A high-precision linear guide pair according to claim 1, characterized in that: A gasket (4) is installed between the connecting block (3) and the guide rail (1), and the gasket (4) is made of rubber material.

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