Splicing aluminum alloy straight rail

Abstract

The utility model provides an aluminum alloy straight rail capable of being spliced. Comprising an I-shaped track main body, the upper half section of the track main body is a sliding rail part, the lower half section of the track main body is a supporting part, the track main body is further provided with a longitudinally-through L-shaped through groove, trapezoidal clamping grooves are formed in the two ends of the sliding rail part of the track main body, and threaded holes are formed in the clamping grooves; the splicing mechanism is installed at the end of the track body through the trapezoidal clamping groove and the L-shaped through groove and comprises a trapezoidal bottom plate, a trapezoidal cover plate, fixing bolts and positioning strips, wherein the trapezoidal bottom plate and the trapezoidal cover plate correspond to the trapezoidal clamping groove, the fixing bolts correspond to the threaded holes, and the positioning strips correspond to the L-shaped through groove. The trapezoidal clamping grooves, the trapezoidal bottom plates, the trapezoidal cover plates, the fixing bolts, the positioning strips and the L-shaped through grooves are combined to form a mutually attached and inserted structure, after straight rails are spliced, the original strength is guaranteed, meanwhile, the good fixing effect is achieved in the X-axis direction, the Y-axis direction and the Z-axis direction, and the alignment degree is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to slide rail technical field relates to a kind of splicing aluminium alloy straight rail. BACKGROUND

[0002] Aluminium alloy straight rail is suitable for industrial automation, door and window slide rail, 3D printer and the scene needing high-precision linear motion, and the strength, wear resistance and installation convenience are improved by structure optimization.But in some long linear motion scene (such as super-long assembly line, large sliding door, automated warehousing equipment etc.), ordinary aluminium alloy straight rail cannot meet the demand, and multiple straight rails need to be spliced, therefore, in order to conveniently splice straight rails, and ensure the use effect of spliced straight rails, it is necessary to design a kind of splicing aluminium alloy straight rail. SUMMARY

[0003] The utility model aims at the above-mentioned problems existing in prior art, and provides a kind of splicing aluminium alloy straight rail.

[0004] The utility model discloses a kind of splicing aluminium alloy straight rails, including I-shaped track main body, its characterized in that, the upper half of track main body is slide rail part, the lower half of track main body is support part, L-shaped through slot is further provided on track main body in longitudinal direction, the both ends of track main body slide rail part are provided with trapezoidal clamping slot, threaded hole is opened in clamping slot, splicing mechanism is installed in the end of track main body by trapezoidal clamping slot and L-shaped through slot, the splicing mechanism includes trapezoidal base plate and trapezoidal cover plate corresponding with trapezoidal clamping slot, fixed bolt corresponding with threaded hole, positioning strip corresponding with L-shaped through slot, trapezoidal base plate is opened with threaded hole corresponding through-hole, trapezoidal base plate is clamped in the bottom of trapezoidal clamping slot, and is fixed by fixed bolt, trapezoidal cover plate is clamped in the top of trapezoidal base plate, positioning strip is clamped in L-shaped through slot.

[0005] The working principle of the utility model is as follows: when straight rail A and straight rail B need to be spliced, first, positioning strip is inserted into L-shaped through slot of straight rail A and straight rail B respectively, and then straight rail A and straight rail B are folded at the end, trapezoidal base plate is clamped into trapezoidal clamping slot of straight rail A and straight rail B respectively at both ends, and is fixed by fixed bolt, and trapezoidal cover plate is clamped above trapezoidal base plate at both ends, to fill the recess and further assist locking straight rail A and straight rail B.

[0006] The through-hole of the trapezoidal base plate is provided with internal chamfer.

[0007] By chamfering, space is created to accommodate the head of the fixed bolt.

[0008] The cross section of the positioning strip corresponds to the flat part of the lower half of the L-shaped through slot.

[0009] With the above structure, it is convenient to insert, and the tangential stress intensity is ensured.

[0010] The L-shaped through slot is uniformly provided with a reinforcing rib partition.

[0011] With the above structure, the overall strength is improved, and the reinforcing rib close to the end part can limit the positioning strip.

[0012] The through slot of the support part section is provided as a trapezoidal shape.

[0013] With the above structure, the strength of the straight rail is increased.

[0014] Compared with the prior art, the aluminum alloy straight rail has the advantages that: the trapezoidal clamping groove, the trapezoidal bottom plate, the trapezoidal cover plate, the fixing bolt, the positioning strip and the L-shaped through slot are combined into a mutual fitting and penetrating structure, after the straight rail is spliced, the original strength is ensured, and good fixing effect is achieved in the XYZ axis direction, and the alignment degree is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the three-dimensional assembly view of the utility model.

[0016] Fig. 2 is the sectional view of the L-shaped through slot in the utility model.

[0017] Fig. 3 is the enlarged view of the trapezoidal bottom plate in the utility model.

[0018] In the figure, 1, track main body; 2, L-shaped through slot; 3, trapezoidal clamping groove; 4, threaded hole; 5, trapezoidal bottom plate; 6, trapezoidal cover plate; 7, fixing bolt; 8, positioning strip; 9, through hole; 10, inner chamfer; 11, reinforcing rib. DETAILED DESCRIPTION

[0019] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0020] For example, Figs. 1-3As shown, this splicable aluminum alloy straight rail includes an I-shaped rail body 1, the upper half of which is a slide rail section and the lower half of which is a support section. The rail body 1 is also provided with a longitudinally penetrating L-shaped through groove 2. Both ends of the slide rail section of the rail body 1 are provided with trapezoidal slots 3, and threaded holes 4 are opened in the slots. The splicing mechanism is installed at the end of the rail body 1 through the trapezoidal slots 3 and the L-shaped through groove 2. The splicing mechanism includes a trapezoidal base plate 5 and a trapezoidal cover plate 6 corresponding to the trapezoidal slots 3, a fixing bolt 7 corresponding to the threaded holes 4, and a positioning strip 8 corresponding to the L-shaped through groove 2. The trapezoidal base plate 5 is provided with through holes 9 corresponding to the threaded holes 4. The trapezoidal base plate 5 is locked at the bottom of the trapezoidal slot 3 and fixed by the fixing bolts 7. The trapezoidal cover plate 6 is locked above the trapezoidal base plate 5, and the positioning strip 8 is locked in the L-shaped through groove 2.

[0021] In this utility model, the trapezoidal base plate 5 and the trapezoidal cover plate 6 are made of the same aluminum alloy material as the track body 1, and their dimensions are the same as those of the trapezoidal slot 3.

[0022] In this utility model, the positioning strip 8 is made of the same aluminum alloy material as the track body 1. In a specific embodiment, in order to reduce weight and material consumption, a honeycomb hollow cavity is set inside the positioning strip 8.

[0023] In a specific embodiment, the track body 1 is also equipped with a filler of the same material and size as the trapezoidal base plate 5, with an area half that of the trapezoidal base plate 5 and a thickness equal to the depth of the trapezoidal slot 3, for filling the trapezoidal slot 3 when splicing is not required.

[0024] In this utility model, the fixing bolt 7 is a conventional countersunk screw.

[0025] An inner chamfer 10 is provided at the through hole 9 of the trapezoidal base plate 5.

[0026] The cross section of the positioning strip 8 corresponds to the flat part of the lower half of the L-shaped through groove 2.

[0027] The L-shaped through groove 2 is evenly provided with reinforcing ribs 11 for partitioning.

[0028] In this utility model, the distance between the end opening of the L-shaped through groove 2 and its nearest reinforcing rib 11 is half the length of the positioning strip 8. In specific embodiments, in order to ensure the error, this distance is usually slightly greater than half the length of the positioning strip 8.

[0029] The through groove of the support section is designed as a trapezoid.

[0030] The working principle of this utility model is as follows: When it is necessary to splice straight rail A and straight rail B, first insert the positioning strip 8 into the L-shaped through groove 2 of straight rail A and straight rail B respectively, and then close the ends of straight rail A and straight rail B. Then, insert the two ends of the trapezoidal base plate 5 into the trapezoidal slots 3 of straight rail A and straight rail B respectively, and fix them with fixing bolts 7. Then, insert the two ends of the trapezoidal cover plate 6 on the top of the trapezoidal base plate 5 respectively, filling the depression and further assisting in locking straight rail A and straight rail B.

[0031] In this utility model, the various mechanisms are connected using existing technologies.

[0032] All of the above components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A splicable aluminum alloy straight rail, comprising an I-shaped rail body (1), characterized in that, The upper half of the track body (1) is a slide rail section, and the lower half of the track body (1) is a support section. The track body (1) is also provided with a longitudinally penetrating L-shaped through groove (2). Both ends of the slide rail section of the track body (1) are provided with trapezoidal slots (3), and threaded holes (4) are opened in the slots. The splicing mechanism is installed at the end of the track body (1) through the trapezoidal slots (3) and the L-shaped through groove (2). The splicing mechanism includes trapezoidal slots (3) corresponding to the trapezoidal slots (3). The base plate (5) and trapezoidal cover plate (6), fixing bolts (7) corresponding to threaded holes (4), and positioning strips (8) corresponding to L-shaped through grooves (2) are provided. The trapezoidal base plate (5) is provided with through holes (9) corresponding to threaded holes (4). The trapezoidal base plate (5) is fitted at the bottom of the trapezoidal slot (3) and fixed by fixing bolts (7). The trapezoidal cover plate (6) is fitted above the trapezoidal base plate (5). The positioning strips (8) are fitted in the L-shaped through grooves (2).

2. The splicable aluminum alloy straight rail according to claim 1, characterized in that, The trapezoidal base plate (5) has an inner chamfer (10) at the through hole (9).

3. The splicable aluminum alloy straight rail according to claim 1, characterized in that, The cross section of the positioning strip (8) corresponds to the flat part of the lower half of the L-shaped through groove (2).

4. The splicable aluminum alloy straight rail according to claim 1, characterized in that, The L-shaped through groove (2) is evenly provided with reinforcing ribs (11) for partitioning.

5. The splicable aluminum alloy straight rail according to claim 1, characterized in that, The through groove of the support section is designed to be trapezoidal.

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