Circulating structure for precise ball curve guide rail

Abstract

The utility model relates to the technical field of ball guide rails, in particular to a circulating structure for a precise ball curve guide rail, which comprises a guide rail main body, limiting blocks are arranged on the side faces of the protection plates. The guide rail has the beneficial effects that the connecting plate is pressed to move along one end of the clamping groove, so that the limiting rod fixedly connected to the connecting plate is separated from the limiting hole formed in the side face of the clamping plate, locking between the guide rail body and the mounting plate is relieved, and a worker can take down the mounting plate from the guide rail body and screw bolts on the side faces of the two ends of the connecting shaft; the connecting shaft is detached from the bearing, the bearing provided with the protective plates can be taken down, the bolts on the protective plates on one side of the bearing are screwed, the protective plates and the limiting blocks fixedly connected to the protective plates are taken out along the first limiting grooves, and then the other protective plate is taken out along the second limiting grooves. The bearing replacement and maintenance device is simple in structure and convenient for the staff to maintain in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ball guide rail, concretely to a circulation structure for precise ball curve guide rail. BACKGROUND

[0002] Guide rail is an important mechanical element, which has been widely applied to precision machinery, automation industry, semiconductor industry, medical equipment, aerospace industry and the like. The main function is to reduce the frictional resistance when the mechanism moves by applying the rolling of balls or rollers, so that the mechanism moves more labor-saving and energy-saving. At the same time, due to the reduction of friction, the wear and temperature of the contact surface are reduced, so that the precision and service life of the mechanism are both improved, and the speed limit of the movement of the mechanism is also greatly improved. Therefore, the linear guide rail can be called a very important mechanical transmission element in recent years. Generally, the linear guide rail can be divided into two categories, one of which uses ball transmission, and the other of which uses roller transmission.

[0003] In the prior art, whether it is ball transmission or roller transmission, the sliding block needs to have the functions of providing rolling body (roller or ball) bearing and infinite circulation loop.

[0004] However, the existing ball curve guide rail with a circulation structure is usually a fixed structure, so that it is difficult for the staff to disassemble the device for maintenance after the device is installed. When the internal parts of the device are damaged, it is difficult for the staff to repair them, which is not convenient for the staff to use in practice and has low practicality. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a circulation structure for precise ball curve guide rail to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a circulation structure for precise ball curve guide rail, the circulation structure for precise ball curve guide rail includes: a guide rail main body, an installation slot is formed in the guide rail main body, a clamping slot is formed in the guide rail main body;

[0007] A guard plate is provided with a first limiting slot on the side surface, and a limiting block is arranged on the side surface of the guard plate.

[0008] Preferably, the installation slot is in a square slot structure, the installation plate can be clamped into the installation slot, and the slot in the installation slot and the sliding slot formed in the guide rail main body are integrally attached.

[0009] Preferably, the clamping slot is in a "convex" slot structure, the clamping plate fixedly connected to the installation plate can be clamped into the clamping slot, and springs are fixedly connected to the two sides in the clamping slot.

[0010] Preferably, the first limiting groove is a "convex" groove structure, and the limiting block fixedly connected to the other guard plate can be clamped into the first limiting groove.

[0011] Preferably, the other end of the spring is fixedly connected to the connecting plate, the connecting plate is a square plate structure, a limiting rod is fixedly connected to the connecting plate, the limiting rod is a cylindrical structure, the limiting rod can be clamped into the limiting hole formed in the side of the clamping plate, and the limiting hole is a circular groove structure.

[0012] Preferably, the limiting block is a "convex" plate structure, the limiting block is fixedly connected to the guard plate, the side of the guard plate is fixedly connected with a backing plate, wear-resistant plates are fixedly connected to the upper and lower ends of the guard plate, the side of the guard plate can be clamped into the second limiting groove formed in the side of the bearing, a plurality of wear-resistant blocks are fixedly connected to one side of the bearing, and the other side of the bearing is fixedly connected to the connecting shaft through bolts.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The connecting plate is pressed to move the connecting plate along one end of the clamping groove, the limiting rod fixedly connected to the connecting plate is separated from the limiting hole formed in the side of the clamping plate, the locking between the guide rail body and the mounting plate is released, the mounting plate can be taken off from the guide rail body, the connecting shaft and the bearing are pulled to the mounting groove, the bolts on the sides of the two ends of the connecting shaft are screwed, the connecting shaft is detached from the bearing, the bearing provided with the guard plate can be taken off, the bolts on the side of the bearing are screwed, the guard plate and the limiting block fixedly connected to the guard plate are taken out along the first limiting groove formed in the other guard plate, the other guard plate is taken out along the second limiting groove formed in the side of the bearing, the worker can replace or maintain the bearing according to actual conditions, the structure is simple, the worker can maintain the device in the later period, the use cost is reduced, and the reliability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model; Figure 1

[0017] Figure 3 It is a partial structural schematic view of the utility model;

[0018] Figure 4 It is a structural schematic view of the utility model; Figure 3

[0019] Figure 5 It is a partial structural schematic view of the utility model.

[0020] ​​In the figure: 1, guide rail main body; 2, guard plate; 3, mounting groove; 4, sliding groove; 5, clamping groove; 6, connecting shaft;

[0021] 7, first limiting groove; 8, limiting block; 9, pad plate; 10, wear plate; 11, second limiting groove; 12, bearing; 13, wear block; 14, mounting plate; 15, clamping plate; 16, limiting hole; 17, limiting rod; 18, connecting plate; 19, spring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only use to explain the embodiment of the utility model, and does not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belongs to the scope of the protection of the utility model.

[0023] Embodiment one

[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of circulation structure for precision ball curve guide rail, the circulation structure for precision ball curve guide rail includes: guide rail main body 1, mounting groove 3 is set up on guide rail main body 1, clamping groove 5 is set up on guide rail main body 1;Guard plate 2, first limiting groove 7 is set up in the side of guard plate 2, limiting block 8 is arranged in the side of guard plate 2;

[0025] Specific use, staff will be aligned with the wear block 13 on the side of bearing 12 one side with the second limiting groove 11 of the side set up on one side and use bolt fixed column, the limiting block 8 on the fixed guard plate 2 is aligned with the first limiting groove 7 set up on the other guard plate 2 and is clamped into and is clamped in the second limiting groove 11 set up on the other side of bearing 12 of guard plate 2, staff will be installed bearing 12 through mounting groove 3 and be installed in the sliding groove 4 set up in guide rail main body 1, the both ends of connecting shaft 6 are fixed in bearing 12 side by bolt, and with guard plate 2 extrusion will be fixed in bearing 12 of guard plate 2, press connecting plate 18 to make limiting rod 17 move to appropriate position, mounting plate 14 is clamped to mounting groove 3, and clamping plate 15 fixedly connected on mounting plate 14 is just clamped into clamping groove 5, release connecting plate 18, spring 19 pushes connecting plate 18 to move towards clamping plate 15, to limiting rod 17 is clamped into limiting hole 16, and it is installed to complete.

[0026] Embodiment two

[0027] On the basis of embodiment one, in order to facilitate the staff later maintenance is provided with, the installation groove 3 is square groove structure, the installation plate 14 can be inserted into the installation groove 3, and the slot on the installation groove 3 and the slot in the guide rail body 1 are just attached to each other, the installation plate 14 is inserted into the installation groove 3, the clamping plate 15 fixedly connected on the installation plate 14 is just inserted into the clamping groove 5, the connecting plate 18 is released, the spring 19 pushes the connecting plate 18 to move to the clamping plate 15, until the limiting rod 17 fixedly connected on the connecting plate 18 is inserted into the limiting hole 16 on the side of the clamping plate 15, the installation plate 14 is fixed on the guide rail body 1, the clamping groove 5 is "convex" groove structure, the clamping plate 15 fixedly connected on the installation plate 14 can be inserted into the clamping groove 5, the spring 19 is fixedly connected on both sides of the clamping groove 5, the staff presses the connecting plate 18 to make the limiting rod 17 separate from the limiting hole 16 on the side of the clamping plate 15, the staff can take off the installation plate 14 from the guide rail body 1, which is convenient for the staff later maintenance, the other end of the spring 19 is fixedly connected with the connecting plate 18, the connecting plate 18 is square plate structure, the limiting rod 17 is fixedly connected on the connecting plate 18, the limiting rod 17 is cylindrical structure, the limiting rod 17 can be inserted into the limiting hole 16 on the side of the clamping plate 15, the limiting hole 16 is circular groove structure, the above structure cooperates with each other, the staff can press the connecting plate 18 to make the limiting rod 17 separate from the limiting hole 16 on the side of the clamping plate 15, the staff can take off the installation plate 14 from the guide rail body 1, the staff twists the bolt on both sides of the connecting shaft 6, the connecting shaft 6 is disassembled, the staff can take off the bearing 12 with the guard plate 2, and maintain the bearing 12, which is simple in structure and convenient for the staff later maintenance.

[0028] Embodiment three

[0029] On the basis of embodiment two, in order to improve the service life of the device, the first limiting groove 7 is provided, the first limiting groove 7 is "convex" groove structure, the limiting block 8 fixedly connected on the other guard plate 2 can be inserted into the first limiting groove 7, the guard plate 2 is installed on the outside of the bearing 12, which can protect the bearing 12 to a certain extent, improve the service life of the device, improve the reliability of the device, the limiting block 8 is "convex" plate structure, the limiting block 8 is fixedly connected with the guard plate 2, the guard plate 2 is fixedly connected with the backing plate 9 on the side, the guard plate 2 is fixedly connected with the wear-resistant plate 10 on both ends, the guard plate 2 can be inserted into the second limiting groove 11 on the side of the bearing 12, a plurality of wear-resistant blocks 13 are fixedly connected on one side of the bearing 12, the other side of the bearing 12 is fixedly connected with the connecting shaft 6 through the bolt, the wear-resistant plate 10 and the wear-resistant block 13 contact with the slot 4 in the guide rail body 1, which avoids the direct contact between the guard plate 2 and the slot 4 in the guide rail body 1, improves the reliability of the device, the backing plate 9 fixedly connected on the side of the guard plate 2 is made of material with buffering property, which can avoid the rigid collision between the guard plates 2 installed on the plurality of bearings 12 and cause the damage of the bearing 12, improve the service life of the device, improve the reliability of the device.

[0030] In actual use, the connecting plate 18 is pressed to move the connecting plate 18 along one end of the clamping groove 5, so that the limiting rod 17 fixedly connected on the connecting plate 18 is separated from the limiting hole 16 opened on the side of the clamping plate 15, the locking between the guide rail body 1 and the mounting plate 14 is released, the mounting plate 14 can be taken off from the guide rail body 1, the connecting shaft 6 and the bearing 12 are pulled to the vicinity of the mounting groove 3, the bolts on the two sides of the connecting shaft 6 are screwed, the connecting shaft 6 is detached from the bearing 12, the bearing 12 on which the guard plate 2 is mounted can be taken off, the bolts on the guard plate 2 on one side of the bearing 12 are screwed, the guard plate 2 and the limiting block 8 fixedly connected on the guard plate 2 are taken out along the first limiting groove 7 opened on the other guard plate 2, then the other guard plate 2 is taken out along the second limiting groove 11 opened on the side of the bearing 12, and the worker can replace or repair the bearing 12 according to the actual situation, the structure is simple, the worker can be convenient for later maintenance, the use cost is reduced, and the reliability of the device is improved.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A circulation structure for a precision ball curved guide rail, characterized by: The circulation structure for a precision ball curved guide rail comprises: a guide rail body (1), a mounting groove (3) provided on the guide rail body (1), and a clamping groove (5) provided on the guide rail body (1); A guard plate (2), a first limiting groove (7) is provided on the side of the guard plate (2), and a limiting block (8) is provided on the side of the guard plate (2); The mounting groove (3) is a square groove-shaped structure, the mounting plate (14) can be snapped into the mounting groove (3), and the slot on the mounting groove (3) and the slide groove (4) opened in the guide rail body (1) are just attached to each other as a whole, the card slot (5) is a "convex" groove-shaped structure, the card plate (15) fixedly connected to the mounting plate (14) can be snapped into the card slot (5), and springs (19) are fixedly connected on both sides of the card slot (5).

2. A circulation structure for a precision ball curved guide rail according to claim 1, characterized in that: The first limiting groove (7) is a "convex" groove-shaped structure, and the limiting block (8) fixedly connected to the other guard plate (2) can be inserted into the first limiting groove (7).

3. A circulation structure for a precision ball curved guide rail according to claim 1, characterized in that: The other end of the spring (19) is fixedly connected to the connecting plate (18), which has a square plate-like structure. A limiting rod (17) is fixedly connected to the connecting plate (18), which has a cylindrical structure. The limiting rod (17) can be inserted into a limiting hole (16) provided on the side of the card plate (15), and the limiting hole (16) has a circular groove-like structure.

4. A circulation structure for a precision ball curved guide rail according to claim 1, characterized in that: The limit block (8) is a "convex" plate-shaped structure. The limit block (8) is fixedly connected to the guard plate (2). A pad (9) is fixedly connected to the side of the guard plate (2). Wear-resistant plates (10) are fixedly connected to the upper and lower ends of the guard plate (2). The side of the guard plate (2) can be inserted into a second limit groove (11) provided on the side of the bearing (12). A plurality of wear-resistant blocks (13) are fixedly connected to one side of the bearing (12). The other side of the bearing (12) is fixedly connected to the connecting shaft (6) via bolts.

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