Linear guide rail pair device

Abstract

The utility model discloses a linear guide rail pair device which comprises a sliding body, a matching groove used for being matched with a rail is formed in the sliding body, a ball return hole insertion pipe is further arranged in the sliding body in a matched mode, reversers are further arranged at the two ends of the sliding body respectively, and reverse grooves used for being connected with the matching groove and the ball return hole insertion pipe are formed in the reversers. The ball return hole insertion pipe, the reverse groove and the side wall of the matching groove are combined to form a continuous ball walking channel, the ball walking channel is obliquely arranged, and a steel ball chain is arranged in the ball walking channel in a matched mode. The sliding block assembling device is simple in structure and stable in operation, effectively reduces part installation errors, improves the assembling efficiency of the sliding block, and has a good using effect.

Description

Technical Field

[0001] The utility model relates to a linear guide rail pair device. Background Art

[0002] The linear guide assembly integrates multiple slider-related parts, which can greatly improve production efficiency during the production process and improve the stability and smoothness of the product when running at high speed. The existing linear guide assembly has a relatively complex structure and requires the addition of hollow inserts to guide the movement of the rolling elements. However, with the increase of parts, it is inevitable that there will be installation errors of the parts. Under high-speed operation conditions, it is easy to have problems with the misalignment and deflection of parts, which may cause noise at the least and product failure in severe cases. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a linear guide pair device, which has a simple structure, stable operation, effectively reduces parts installation errors, improves the assembly efficiency of the slide block, and has a good use effect.

[0004] To achieve the above-mentioned purpose, the utility model provides a linear guide rail pair device, including a sliding body, a matching groove for matching with the track is provided on the sliding body, a ball return hole insert is also matched in the sliding body, and reversers are respectively provided at both ends of the sliding body, and a reverse groove for connecting the matching groove and the ball return hole insert is provided on the reverser. The ball return hole insert, the reverse groove and the side wall of the matching groove are combined to form a continuous ball walking channel, the ball walking channel is inclined, and a steel ball chain is matched in the ball walking channel.

[0005] The beneficial effects of such a setting are: with such a setting, the structure is simple, the layout is reliable, and it can be assembled more conveniently. The installation is completed by installing the steel ball chain in the ball walking channel and then limiting it through the reverser. The operation is convenient and has a good use effect.

[0006] As a further configuration of the utility model, end covers are further provided on both sides of the sliding body, the reverser is provided between the end covers and the sliding body, and a retaining groove is provided on the end cover corresponding to the position of the reverse groove.

[0007] The beneficial effect of such arrangement is that such arrangement further shields the steel ball chain, thereby ensuring the stability of the structural operation; at the same time, the structure is simple, easy to implement, stable and reliable, and has a good use effect.

[0008] As a further configuration of the utility model, a ball return hole is provided on the sliding body along the length direction, and the ball return hole insert tube is separately provided to form two sub-insert tubes, and a connecting groove and a connecting protrusion are provided between the two sub-insert tubes, and the connecting groove and the connecting protrusion are snap-fitted, and the sub-insert tubes are respectively connected to the reverser, and the sub-insert tubes are inserted in the ball return hole.

[0009] The beneficial effects of such a setting are as follows: By setting it in this way, the stability of the structure installation is improved, the reverser is prevented from detaching, the reliability of the structure during high-speed operation is ensured, the structure is prevented from falling off, and at the same time, the structure is simple and easy to implement, with good usage effects.

[0010] As a further setting of the present utility model, the ball passage is set to four and is arranged on both sides of the fitting groove to form two symmetrical channel groups.

[0011] The beneficial effects of such a setting are as follows: By setting it in this way, the stability of the structure operation is further improved, the overall balance is better, and it has good usage effects.

[0012] As a further setting of the present utility model, an upper cage and a lower cage extend from the end cover into the sliding body fitting groove. The upper end face of the upper cage is in contact with the upper wall of the fitting groove. A step groove is formed on the lower cage, and a resisting step is formed on the inner wall of the fitting groove corresponding to the step groove. The resisting step is placed on the step groove. A middle cage extends from the reverser into the sliding body fitting groove. The middle cage is arranged between the upper cage and the lower cage. The upper cage, the side wall of the fitting groove and the middle cage are combined to form an upper guiding groove. The upper guiding groove, the corresponding ball return hole inserting tube and the reverse groove are combined to form one of the ball passages in each channel group. The middle cage, the side wall of the fitting groove and the lower cage are combined to form a lower guiding groove. The lower guiding groove, the corresponding ball return hole inserting tube and the reverse groove are combined to form the other ball passage in each channel group.

[0013] The beneficial effects of such a setting are as follows: By setting it in this way, the upper cage and the lower cage are integrated into the end cover, and the middle cage and the ball return hole inserting tube are integrated into the reverser, making the connection of the overall structure more stable, preventing the possible part dislocation problem during high-speed operation, improving the usage reliability of the structure, effectively avoiding the occurrence of noise, and at the same time, the structure is simple and easy to implement, with good usage effects. Description of the Drawings

[0014] Figure 1 Structural schematic of the embodiment of the present utility model;

[0015] Figure 2 Structural schematic diagram of the embodiment of the present utility model;

[0016] Figure 3 Structural schematic diagram of the sliding body in the embodiment of the present utility model

[0017] Figure 4 Structural schematic diagram of the end cover in the embodiment of the present utility model;

[0018] Figure 5This is a schematic structural diagram of the inverter in the embodiment of the present utility model. Detailed implementation manners

[0019] The present utility model provides a linear guide pair device as Figure 1 and Figure 5 shown, which includes a sliding body 1. A mating groove 11 for cooperating with a track is provided on the sliding body 1. A ball return hole 12 insertion tube is also fitted in the sliding body 1. Inverters 4 are respectively provided at both ends of the sliding body 1. A reverse groove 41 for connecting the mating groove 11 and the ball return hole 12 insertion tube is provided on the inverter 4. The ball return hole 12 insertion tube, the reverse groove 41 and the side wall of the mating groove 11 are combined to form a continuous ball running channel. The ball running channel is inclined, and a steel ball chain 3 is fitted in the ball running channel. The beneficial effect of such a setting is: With such a setting, the structure is simple and the layout is reliable, and it can be assembled more conveniently. By installing the steel ball chain 3 in the ball running channel and then limiting it by the inverter 4, the installation is completed, the operation is convenient, and it has a good use effect.

[0020] As a further setting of this embodiment, end caps 2 are also provided on both sides of the sliding body 1. The inverter 4 is arranged between the end cap 2 and the sliding body 1. A retaining groove 21 is provided on the end cap 2 corresponding to the position of the reverse groove 41. The beneficial effect of such a setting is: With such a setting, the steel ball chain 3 is further shielded to ensure the stability of the structure operation. At the same time, the structure is simple, easy to implement, stable and reliable, and has a good use effect.

[0021] As a further setting of this embodiment, a ball return hole 12 is provided on the sliding body 1 along the length direction. The ball return hole 12 insertion tube is separately provided to form two sub-insertion tubes 42. A connecting groove and a connecting protrusion are provided between the two sub-insertion tubes 42. The connecting groove and the connecting protrusion are in snap-fit connection. The sub-insertion tubes 42 are respectively connected to the inverter 4, and the sub-insertion tubes 42 are inserted into the ball return hole 12. The beneficial effect of such a setting is: With such a setting, the stability of the structure installation is improved, the inverter 4 is prevented from detaching, the reliability of the structure during high-speed operation is ensured, the structure is prevented from falling off, and at the same time, the structure is simple, easy to implement, and has a good use effect.

[0022] As a further setting of this embodiment, the ball running channel is provided with four channels and is arranged on both sides of the mating groove 11 to form two symmetrical channel groups. The beneficial effect of such a setting is: With such a setting, the stability of the structure operation is further improved, and the overall balance is better, and it has a good use effect.

[0023] As a further configuration of this embodiment, the end cover 2 extends into the matching groove 11 of the sliding body 1 with an upper retainer 22 and a lower retainer 23, the upper end surface of the upper retainer 22 is in contact with the upper wall of the matching groove 11, and a step groove 24 is formed on the lower retainer 23. The inner wall of the matching groove 11 is formed with a contact step 13 at a position corresponding to the step groove 24, and the contact step 13 is built on the step groove 24. The deflector 4 extends into the matching groove 11 of the sliding body 1 with a middle retainer 43, and the middle retainer 43 It is arranged between the upper retainer 22 and the lower retainer 23. The upper retainer 22, the side wall of the matching groove 11 and the middle retainer 43 are combined to form an upper guide groove. The upper guide groove is combined with the corresponding ball return hole 12 insert and the reverse groove 41 to form one of the ball passages in each channel group. The middle retainer 43, the side wall of the matching groove 11 and the lower retainer 23 are combined to form a lower guide groove. The lower guide groove is combined with the corresponding ball return hole 12 insert and the reverse groove 41 to form another ball passage in each channel group. The beneficial effect of such arrangement is that the upper retainer 22 and the lower retainer 23 are integrated into the end cover 2, and the middle retainer 43 and the ball return hole 12 insert are integrated into the reverser 4, so that the connection of the overall structure is more stable, avoiding the problem of parts misalignment that may occur during high-speed operation, improving the reliability of the structure, and effectively avoiding the occurrence of noise. At the same time, the structure is simple, easy to implement, and has a good use effect.

[0024] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A linear guide pair device, characterized in that: It includes a sliding body, which is provided with a matching groove for matching with the track, and the sliding body is also matched with a ball return hole plug. Reversers are also provided at both ends of the sliding body, and the reverser is provided with a reversing groove for connecting the matching groove and the ball return hole plug. The ball return hole plug, the reversing groove and the side wall of the matching groove are combined to form a continuous ball moving channel. The ball moving channel is inclined and is matched with a steel ball chain.

2. The linear guide pair device according to claim 1, wherein: End covers are also arranged on both sides of the sliding body, the reverser is arranged between the end covers and the sliding body, and a retaining groove is arranged on the end cover corresponding to the position of the reverse groove.

3. The linear guide pair device according to claim 1, characterized in that: A ball return hole is provided on the sliding body along the length direction, and the ball return hole insert tube is separately provided to form two sub-insert tubes, and a connecting groove and a connecting protrusion are provided between the two sub-insert tubes, and the connecting groove and the connecting protrusion are snap-fitted, and the sub-insert tubes are respectively connected to the reverser, and the sub-insert tubes are inserted in the ball return hole.

4. The linear guide pair device according to claim 3, wherein: The ball-moving channels are arranged in four paths and are arranged on both sides of the matching groove to form two symmetrical channel groups.

5. The linear guide pair device according to claim 2, characterized in that: The end cover extends into the matching groove of the sliding body to form an upper retaining frame and a lower retaining frame, the upper end face of the upper retaining frame is in contact with the upper wall of the matching groove, the lower retaining frame is formed with a step groove, the inner wall of the matching groove is formed with a resistance step corresponding to the position of the step groove, and the resistance step is built on the step groove, and the reverse device extends into the matching groove of the sliding body to form a middle retaining frame, and the middle retaining frame is arranged between the upper retaining frame and the lower retaining frame, and the upper retaining frame, the matching groove side wall and the middle retaining frame are combined to form an upper guide groove, and the upper guide groove is combined with the corresponding ball return hole insert and the reverse groove to form one of the ball moving channels in each channel group, and the middle retaining frame, the matching groove side wall and the lower retaining frame are combined to form a lower guide groove, and the lower guide groove is combined with the corresponding ball return hole insert and the reverse groove to form another ball moving channel in each channel group.

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