Multifunctional crossed roller guide rail

Abstract

The utility model discloses a multifunctional crossed roller guide rail which comprises a guide rail body and a plurality of mounting holes formed in the two sides of the guide rail body, a sliding groove is formed in the guide rail body, a retainer is arranged above the sliding groove, a plurality of rollers are arranged on the retainer, an inserting groove is formed in the bottom of the sliding groove, a rack is arranged in the inserting groove, and the rack is connected with the sliding groove. A clamping block is arranged at the bottom of the rack, a mounting groove is formed in the middle of the retainer, fixing plates are arranged on the two sides in the mounting groove correspondingly, screw holes are formed in the fixing plates correspondingly, a mounting plate is mounted in the mounting groove, splicing grooves are formed in the two sides of the bottom of the mounting plate correspondingly, and a rotating groove is formed in the middle of the mounting plate; a gear is arranged in the middle of the rotating groove, when the gear of the crossed roller guide rail is abraded due to long-time use, the mounting plate and the gear are allowed to be replaced independently through the design, the retainer and the rollers do not need to be replaced, and therefore material waste and maintenance cost are remarkably reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of cross roller guide, concretely relates to a multifunctional cross roller guide. BACKGROUND

[0002] The multifunctional cross roller guide is a high-precision and high-rigidity linear motion guide device, which is widely applied to occasions requiring high-precision positioning and rigid support, such as numerical control machine tools, industrial robots, semiconductor equipment, precision measuring instruments and the like. The cross roller guide is composed of two guide rails with V-shaped sliding grooves, a retainer and rollers, and the cylindrical rollers arranged in cross are reciprocated on the V-shaped sliding groove surface ground to precision, can bear loads in all directions, and realize high-precision and stable linear motion. In the prior art, in order to prevent the retainer from creeping, a gear is generally added to the retainer, and a rack is added to the guide rail, so as to realize stable running of the retainer.

[0003] However, it is found in the use process that the gear will be worn during reciprocating movement, which leads to a decrease in the matching degree with the rack, and the anti-creep effect is also decreased. Since the retainer and the gear are generally integrally formed, the entire retainer and the rollers need to be replaced at this time, which causes waste. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a multifunctional cross roller guide to solve the problem that the gear will be worn during reciprocating movement, which leads to a decrease in the matching degree with the rack, and the anti-creep effect is also decreased, and the entire retainer and the rollers need to be replaced at this time, which causes waste.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional cross roller guide, comprising a guide rail and a plurality of mounting holes arranged on both sides of the guide rail.

[0006] Both ends of the guide rail are respectively provided with a stop block, a sliding groove is arranged on the guide rail, a retainer is arranged above the sliding groove, and a plurality of rollers are arranged on the retainer.

[0007] A slot is arranged at the bottom of the sliding groove, a rack is arranged inside the slot, a clamping block is arranged at the bottom of the rack, an installation slot is arranged in the middle of the retainer, a fixing plate is arranged on both sides inside the installation slot, a screw hole is arranged on the fixing plate, an installation plate is installed inside the installation slot, a split groove is arranged on both sides at the bottom of the installation plate, a rotating groove is arranged in the middle of the installation plate, and a gear is arranged in the middle of the rotating groove.

[0008] Preferably, rotating columns are arranged on both sides of the gear respectively, the rotating columns are integrally formed with the gear, plug holes are arranged on both sides of the rotating groove, the gear is inserted with the plug holes through the rotating columns, and the gear is rotationally connected with the mounting plate.

[0009] Preferably, through holes are arranged on both sides of the mounting plate, the screw can be inserted with the through holes, the mounting plate can be fixedly mounted through the screw and the screw hole, the mounting plate is welded with the retainer, and the split groove on the mounting plate can be split with the mounting plate.

[0010] Preferably, the rack is provided with a clamping block at the bottom, the clamping block is integrally formed with the rack, and the rack can be inserted with the insertion groove through the clamping block.

[0011] Preferably, screw holes are also arranged at both ends of the guide rail, the stoppers are threadedly connected with the screw holes, and the stoppers can block the sliding of the retainer.

[0012] Preferably, the gear can be engaged with the rack, and the gear can roll on the rack in the sliding process of the retainer.

[0013] Preferably, the guide rail can be fixedly mounted with external equipment through the mounting hole, and the upper and lower guide rails can relatively slide through the intermediate retainer and the roller.

[0014] Compared with the prior art, the multifunctional cross roller guide rail has the following beneficial effects:

[0015] 1. Through the arrangement of the mounting plate, the fixing plate, the split groove, the screw hole, the through hole, the mounting groove and the screw, the installation and maintenance of the gear become more convenient and efficient, the mounting plate can stably arrange the gear in the mounting groove of the retainer, the fixing plate is tightly combined with the mounting plate through the split groove, not only providing firm support for the mounting plate, but also ensuring the accurate fixing of the position, the use of the screw further reinforces the connection between the mounting plate and the fixing plate, making the whole structure more stable and reliable, when the gear is worn out due to long-term use, the design allows the mounting plate and the gear to be replaced separately, without the need to replace the retainer and the roller, thereby significantly reducing material waste and maintenance cost.

[0016] 2. Through the synergistic effect of the rack, the clamping block, the insertion groove, the screw hole and the stopper, the installation and replacement of the rack become simple and efficient, the rack is accurately inserted into the insertion groove through the clamping block at the bottom, and the stoppers at both ends of the guide rail are tightly fixed with the guide rail through the screw holes, effectively blocking and fixing the rack to prevent it from separating from the guide rail, this design not only improves the stability of the rack, but also simplifies the replacement process, when the rack is worn out, the rack can be easily replaced by only disassembling the stoppers at both ends, without the need to replace the whole guide rail, this local replacement method greatly improves the maintenance efficiency, reduces the maintenance cost, and also reduces the waste of resources. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the dual guide rail installation structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the single guide rail structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the internal structure of the guide rail of this utility model.

[0020] Figure 4 For the present utility model Figure 4 Schematic diagram of a partial structure.

[0021] Figure 5 This is a schematic diagram of the mounting plate structure of this utility model.

[0022] In the diagram: 1. Guide rail; 2. Stop; 3. Mounting hole; 4. Roller; 5. Gear; 6. Cage; 7. Slide groove; 8. Rack; 9. Locking block; 10. Slot; 11. Screw hole; 12. Rotating column; 13. Insertion hole; 14. Screw; 15. Through hole; 16. Mounting plate; 17. Fixing plate; 18. Mounting groove; 19. Rotating groove; 20. Assembly groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides, for example Figures 1-5 The multifunctional cross roller guide shown includes a guide rail 1 and a plurality of mounting holes 3 disposed on both sides of the guide rail 1.

[0025] The guide rail 1 is provided with a stop block 2 at both ends, a slide groove 7 is provided on the guide rail 1, a retainer 6 is provided above the slide groove 7, and multiple rollers 4 are provided on the retainer 6.

[0026] The bottom of the slide 7 is provided with a slot 10, inside the slot 10 is a rack 8, and at the bottom of the rack 8 is a locking block 9. The middle of the retainer 6 is provided with a mounting groove 18, and on both sides inside the mounting groove 18 are fixed plates 17, and on the fixed plates 17 are screw holes 11. The mounting groove 18 is installed with a mounting plate 16, and on both sides at the bottom of the mounting plate 16 are splicing grooves 20. The middle of the mounting plate 16 is provided with a rotating groove 19, and in the middle of the rotating groove 19 is a gear 5.

[0027] In this embodiment, the multifunctional cross-roller guide is a high-precision and high-rigidity linear motion guide device. The cross-roller guide is composed of two guide rails 1 with V-shaped sliding grooves 7, a retainer 6 and rollers 4. The cylindrical rollers 4 arranged in cross are reciprocated on the surface of the V-shaped sliding grooves 7 which are precisely ground, and can bear loads in all directions to realize high-precision and stable linear motion. The use method of the cross-roller guide is as follows. First, the guide rail 1 is fixedly installed with other equipment through the mounting hole 3 according to the installation condition. Then, the retainer 6 is placed on the sliding groove 7 of one of the guide rails 1. Finally, the other guide rail 1 is combined with it. The two guide rails slide through the mutual cooperation of the rollers 4, the retainer 6 and the sliding groove 7.

[0028] As shown in Figure 5 , the gear 5 is provided with rotating columns 12 on both sides, the rotating columns 12 are integrally formed with the gear 5, the rotating grooves 19 are provided with insertion holes 13 on both sides inside, the gear 5 is inserted with the insertion holes 13 through the rotating columns 12, the gear 5 is rotationally connected with the mounting plate 16, the mounting plate 16 is provided with through holes 15 on both sides above, the screws 14 can be inserted with the through holes 15, the mounting plate 16 can be fixedly installed with the screw holes 11 through the screws 14, the fixed plate 17 is welded with the retainer 6, and the split grooves 20 on the mounting plate 16 can be split with the fixed plate 17.

[0029] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the rack 8 is provided with clamping blocks 9 at the bottom, the clamping blocks 9 are integrally formed with the rack 8, the rack 8 can be inserted with the insertion slots 10 through the clamping blocks 9, the guide rails 1 are also provided with screw holes 11 at both ends, the stop blocks 2 are threadedly connected with the screw holes 11, the stop blocks 2 can block the sliding of the retainer 6, the gear 5 can be engaged with the rack 8, the gear 5 can roll on the rack 8 in the sliding process of the retainer 6, and the guide rails 1 can be fixedly installed with external equipment through the mounting holes 3. The upper and lower guide rails 1 can relatively slide through the intermediate retainer 6 and rollers 4.

[0030] Preferably, through the arrangement of the mounting plate 16, the fixing plate 17, the split groove 20, the screw hole 11, the through hole 15, the mounting groove 18 and the screw 14, the gear 12 can be mounted inside the mounting groove 18 on the retainer 6 through the mounting plate 16, the split groove 20 on both sides of the mounting plate 16 can be spliced with the fixing plate 17, the fixing plate 17 can support the mounting plate 16 on one hand and can fix the position of the mounting plate 16 through the cooperation of the fixing plate 17 and the split groove 20 on the other hand, then the mounting plate 16 can be fixed on the fixing plate 17 as a whole through the screw 14, when the gear 12 is worn out after long-term use, the mounting plate 16 and the gear 12 can be replaced separately, avoiding the replacement of the retainer 6 and the roller 4 as a whole, avoiding waste.

[0031] Preferably, through the arrangement of the rack 8, the clamping block 9, the insertion groove 10, the screw hole 11 and the stop block 2, the rack 8 can be inserted into the insertion groove 10 through the clamping block 9 at the bottom, then the stop block 2 at both ends of the guide rail 1 is fixed with the guide rail 1 through the screw hole 11, finally the stop block 2 can block and fix the rack 8, at the same time the cooperation of the insertion groove 10 and the clamping block 9 can prevent the rack 8 from separating from the guide rail 1, when the rack 8 inside the guide rail 1 is worn out, the rack 8 can be replaced by disassembling the stop block 2 at both ends, improving the maintenance efficiency of the guide rail 1, avoiding the replacement of the guide rail 1 as a whole, reducing the maintenance cost.

[0032] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A multifunctional cross-roller guide, comprising a screw (14), a guide rail (1), and a plurality of mounting holes (3) arranged on both sides of the guide rail (1); Both ends of the guide rail (1) are provided with a stop block (2), and a sliding groove (7) is arranged on the guide rail (1), a retainer (6) is arranged above the sliding groove (7), and a plurality of rollers (4) are arranged on the retainer (6); characterized in that A slot (10) is arranged at the bottom of the sliding groove (7), a rack (8) is arranged in the slot (10), a clamping block (9) is arranged at the bottom of the rack (8), a mounting slot (18) is arranged in the middle of the retainer (6), and a fixing plate (17) is arranged on both sides in the mounting slot (18), a screw hole (11) is arranged on the fixing plate (17), a mounting plate (16) is arranged in the mounting slot (18), a split slot (20) is arranged on both sides at the bottom of the mounting plate (16), a rotating slot (19) is arranged in the middle of the mounting plate (16), and a gear (5) is arranged in the rotating slot (19).

2. The multi-functional cross-roller guide according to claim 1, characterized in that: Rotating columns (12) are arranged on both sides of the gear (5), the rotating columns (12) are integrally formed with the gear (5), plug holes (13) are arranged on both sides in the rotating slot (19), the gear (5) is inserted into the plug holes (13) through the rotating columns (12), and the gear (5) is rotatably connected with the mounting plate (16).

3. The multi-functional cross-roller guide according to claim 2, characterized in that: Holes (15) are arranged on both sides above the mounting plate (16), the screw (14) can be inserted into the holes (15), the mounting plate (16) can be fixedly installed through the screw (14) and the screw hole (11), the fixing plate (17) is welded with the retainer (6), and the split slot (20) on the mounting plate (16) can be split with the fixing plate (17).

4. The multi-functional cross-roller guide according to claim 1, characterized in that: The clamping block (9) is arranged at the bottom of the rack (8), the clamping block (9) is integrally formed with the rack (8), and the rack (8) can be inserted into the slot (10) through the clamping block (9).

5. The multi-functional cross-roller guide according to claim 4, characterized in that: Screw holes (11) are also arranged at both ends of the guide rail (1), the stop block (2) is threadedly connected with the screw hole (11), and the stop block (2) can block the sliding of the retainer (6).

6. The multi-functional cross-roller guide according to claim 5, characterized in that: The gear (5) can be engaged with the rack (8), and the gear (5) can roll on the rack (8) in the process of sliding of the retainer (6).

7. The multi-functional cross-roller guide according to claim 1, characterized in that: The guide rail (1) can be fixedly installed with external equipment through the mounting holes (3), and the upper and lower guide rails (1) can relatively slide through the intermediate retainer (6) and the rollers (4).

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