Cross linear rail sliding table

Abstract

The utility model provides a cross linear rail sliding table which comprises a base, a first sliding table body and a second sliding table body, guide rails are arranged on the base and the first sliding table body respectively, a sliding block is arranged at the bottom of the first sliding table body, and the sliding block is in sliding fit with the guide rails on the base; the second sliding table is slidably connected to a guide rail on the first sliding table. Guide rail positioning grooves are formed in the base and the first sliding table, and the guide rails are arranged in the guide rail positioning grooves; a first wedge block mounting groove is formed in one side of the guide rail positioning groove, a first wedge block is arranged in the first wedge block mounting groove, and a wedge block fastening bolt is arranged between the first wedge block and the base or the first sliding table. According to the utility model, the first wedge block is arranged on one side of the guide rail, and after the wedge block fastening bolt is tightened, the guide rail is wedged by the first wedge block, so that the guide rail can be firmly fixed on the base or the first sliding table, and the mounting stability of the guide rail is improved; the problem that the guide rail is loosened in the long-time using process of the cross-shaped linear rail sliding table is effectively solved, and the moving precision of the linear rail sliding table is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of linear rail slides, in particular to a cross linear rail slide. Background Art

[0002] Linear rail slides, also known as linear guide slides or linear guide sliders, are a common transmission component in modern mechanical equipment, mainly used for precise positioning and linear motion of components.

[0003] The existing linear rail slide mainly includes a base, a guide rail, a sliding table and a driving mechanism, wherein the guide rail is fixedly arranged on the base, the sliding table is slidably connected to the guide rail, and the sliding table is driven to move along the guide rail by the driving mechanism.

[0004] In the existing linear rail slide, the guide rail is usually directly fixed on the base by bolts. This guide rail installation method is not very stable. During the long-term use of the linear rail slide, the bolts are prone to loosening, causing looseness between the guide rail and the base, which seriously affects the movement accuracy of the linear rail slide. Summary of the invention

[0005] The utility model aims to solve the deficiencies in the prior art and provide a cross-line rail slide.

[0006] The purpose of the utility model is achieved through the following technical solutions: a cross rail slide, comprising a base, a first slide, and a second slide, wherein the base and the first slide are both provided with guide rails, a slider is provided at the bottom of the first slide, and the slider is slidably matched with the guide rail on the base; the second slide is slidably connected to the guide rail on the first slide;

[0007] A guide rail positioning groove is provided on the base and the first slide, and the guide rail is arranged in the guide rail positioning groove; a first wedge block installation groove is provided on one side of the guide rail positioning groove, a first wedge block is provided in the first wedge block installation groove, and a wedge block fastening bolt is provided between the first wedge block and the base or the first slide; one side of the guide rail is pressed against the side wall of the guide rail positioning groove, and the other side of the guide rail is pressed against one end of the first wedge block.

[0008] In the utility model, a first wedge block is arranged on one side of the guide rail. After the wedge block fastening bolt is tightened, the first wedge block wedges the guide rail, so that the guide rail can be firmly fixed on the base or the first slide, which greatly improves the stability of the guide rail installation, effectively avoids the problem of loosening of the guide rail during long-term use of the cross rail slide, and ensures the movement accuracy of the linear rail slide.

[0009] Preferably, the guide rail is provided with a countersunk screw hole, and a guide rail fastening bolt is provided between the guide rail and the base or the first slide, and the guide rail fastening bolt passes through the countersunk screw hole on the guide rail and is connected to the base or the first slide. The guide rail is connected by the guide rail fastening bolt and is pressed and fixed with the first wedge, which effectively improves the stability of the guide rail installation.

[0010] Preferably, a first inclined surface is provided at one end of the first wedge block away from the guide rail, a second inclined surface is provided on one side of the first wedge block mounting groove, and the first inclined surface on the first wedge block contacts the second inclined surface on the first wedge block mounting groove.

[0011] Preferably, the cross section of the first wedge is a right-angled trapezoid.

[0012] Preferably, the slider is fixed to the bottom of the first slide by slider fastening bolts.

[0013] Preferably, a slide positioning groove is provided at the bottom of the first slide, and the slide is arranged in the slide positioning groove; a second wedge block installation groove is provided on one side of the slide positioning groove, a second wedge block is provided in the second wedge block installation groove, and a wedge block fastening bolt is provided between the second wedge block and the first slide; one side of the slider is pressed against the side wall of the slider positioning groove, and the other side of the slider is pressed against one end of the second wedge block. The slider is connected by the slider fastening bolt and fixed with the second wedge block, which effectively improves the stability of the slider installation. The slider can be firmly fixed to the bottom of the first slide during operation, and is not easy to loosen from the first slide, thereby ensuring the moving accuracy of the linear rail slide.

[0014] Preferably, a third inclined surface is provided at one end of the second wedge block away from the slider, a fourth inclined surface is provided on one side of the second wedge block mounting groove, and the third inclined surface on the second wedge block contacts the fourth inclined surface on the second wedge block mounting groove.

[0015] Preferably, the cross section of the second wedge is a right-angled trapezoid.

[0016] Preferably, a first motor is provided on the base, a first screw rod is connected to the output shaft of the first motor, the first screw rod is parallel to the guide rail arranged on the base, and the first screw rod is threadedly engaged with the first slide; a second motor is provided on the first slide, a second screw rod is connected to the output shaft of the second motor, the second screw rod is parallel to the screw rod arranged on the first slide, and the second screw rod is threadedly engaged with the second slide.

[0017] Preferably, the guide rail on the base is perpendicular to the guide rail on the first slide.

[0018] The beneficial effect of the utility model is as follows: in the utility model, a first wedge block is arranged on one side of the guide rail, and after the wedge block fastening bolt is tightened, the first wedge block wedges the guide rail, so that the guide rail can be firmly fixed on the base or the first slide, thereby greatly improving the stability of the guide rail installation, effectively avoiding the problem of loosening of the guide rail during long-term use of the cross rail slide, and ensuring the movement accuracy of the linear rail slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a front view of the utility model.

[0021] Figure 3 for Figure 1 Enlarged view of part A in the middle.

[0022] Figure 4 for Figure 2 Enlarged view of part B in the middle.

[0023] In the figure: 1, base, 2, first slide, 3, second slide, 4, guide rail, 5, countersunk screw hole, 6, slider, 7, slider fastening bolt, 8, first motor, 9, screw rod, 10, second motor, 11, guide rail positioning groove, 12, first wedge block mounting groove, 13, first wedge block, 14, wedge block fastening bolt, 16, slider positioning groove, 17, second wedge block, 18, second wedge block mounting groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0025] like Figures 1 to 4 As shown, a cross rail slide comprises a base 1, a first slide 2, and a second slide 3. Guide rails 4 are provided on the base 1 and the first slide 2. The guide rails 4 on the base 1 are arranged along the length direction of the base 1, and the guide rails 4 on the first slide 2 are arranged along the length direction of the first slide 2. The guide rails 4 on the base 1 are perpendicular to the guide rails 4 on the first slide 2, so that the linear rail slide is arranged in a "cross" shape as a whole. A slider 6 is provided at the bottom of the first slide 2, and the slider 6 is slidably matched with the guide rail 4 on the base 1; the second slide 3 is slidably connected to the guide rail 4 on the first slide 2.

[0026] The base 1 and the first slide 2 are both provided with a guide rail positioning groove 11, and the guide rail 4 is arranged in the guide rail positioning groove 11; a first wedge block installation groove 12 is provided on one side of the guide rail positioning groove 11, a first wedge block 13 is provided in the first wedge block installation groove 12, and a wedge block fastening bolt 14 is provided between the first wedge block 13 and the base 1 or the first slide 2. One side of the guide rail 4 is pressed against the side wall of the guide rail positioning groove 11, and the other side of the guide rail 4 is pressed against one end of the first wedge block 13.

[0027] The guide rail 4 is provided with a countersunk screw hole 5 , and a guide rail fastening bolt is provided between the guide rail 4 and the base 1 or the first slide 2 . The guide rail fastening bolt passes through the countersunk screw hole 5 on the guide rail 4 and is connected to the base 1 or the first slide 2 .

[0028] In the present invention, the guide rail 4 is fixed by the first wedge block 13 on the basis of being connected by the guide rail fastening bolts, which effectively improves the stability of the installation of the guide rail 4. By arranging the first wedge block 13 on one side of the guide rail 4, after the wedge block fastening bolt 14 is tightened, the first wedge block 13 wedges the guide rail 4, so that the guide rail 4 can be firmly fixed on the base 1 or the first slide 2, which greatly improves the stability of the installation of the guide rail 4, effectively avoids the problem of the guide rail 4 loosening during the long-term use of the cross rail slide, and ensures the movement accuracy of the linear rail slide.

[0029] The first wedge block 13 is provided with a bolt through hole, and the wedge block fastening bolt 14 passes through the bolt through hole on the first wedge block 13 and is connected to the base 1 or the first slide 2 .

[0030] The first wedge block installation groove 12 is adjacent to the guide rail positioning groove 11 and is arranged parallel to the guide rail positioning groove 11. A first inclined surface is provided at one end of the first wedge block 13 away from the guide rail 4, and a second inclined surface is provided on one side of the first wedge block installation groove 12. The first inclined surface on the first wedge block 13 contacts the second inclined surface on the first wedge block installation groove 12. In this embodiment, the cross section of the first wedge block 13 is a right-angled trapezoid. When the wedge block fastening bolt 14 is tightened, pressure is applied to the first wedge block 13 toward the bottom of the first wedge block installation groove 12 through the wedge block fastening bolt 14, and under the action of the first inclined surface and the second inclined surface, the first wedge block 13 generates a thrust force toward the guide rail 4, thereby firmly tightening the guide rail 4.

[0031] The slider 6 is fixed to the bottom of the first slide 2 by the slider fastening bolt 7. The bottom of the first slide 2 is provided with a slide positioning groove, and the slide is arranged in the slide positioning groove. A second wedge block installation groove 18 is provided on one side of the slide positioning groove, and the second wedge block installation groove 18 is adjacent to the slide positioning groove. A second wedge block 17 is provided in the second wedge block installation groove 18, and a wedge block fastening bolt 14 is provided between the second wedge block 17 and the first slide 2. One side of the slider 6 is pressed against the side wall of the slider positioning groove 16, and the other side of the slider 6 is pressed against one end of the second wedge block 17. A bolt through hole is provided on the second wedge block 17, and the wedge block fastening bolt 14 is connected to the bottom of the first slide 2 after passing through the bolt through hole on the second wedge block 17.

[0032] The end of the second wedge block 17 away from the slider 6 is provided with a third inclined surface, and one side of the second wedge block mounting groove 18 is provided with a fourth inclined surface, and the third inclined surface on the second wedge block 17 contacts the fourth inclined surface on the second wedge block mounting groove 18. In this embodiment, the cross section of the second wedge block 17 is a right-angled trapezoid.

[0033] The slider 6 is connected by the slider fastening bolt 7, and the second wedge block 17 is pressed and fixed to effectively improve the stability of the installation of the slider 6. The slider 6 can be firmly fixed to the bottom of the first slide 2 during operation, and is not easy to loosen from the first slide 2, thereby ensuring the movement accuracy of the linear rail slide. When the wedge block fastening bolt 14 is tightened, the wedge block fastening bolt 14 applies pressure to the second wedge block 17 toward the bottom of the second wedge block installation groove 18, and under the action of the third inclined surface and the fourth inclined surface, the second wedge block 17 generates a thrust force toward the slider 6, thereby firmly tightening the slider 6.

[0034] A first motor 8 is provided on the base 1, and a first screw rod 9 is connected to the output shaft of the first motor 8. The first screw rod 9 is parallel to the guide rail 4 provided on the base 1, and the first screw rod 9 is threadedly engaged with the first slide 2; a second motor 10 is provided on the first slide 2, and a second screw rod 9 is connected to the output shaft of the second motor 10. The second screw rod 9 is parallel to the screw rod 9 provided on the first slide 2, and the second screw rod 9 is threadedly engaged with the second slide 3. The first motor 8 drives the first screw rod 9 to rotate, and the first screw rod 9 drives the first slide 2 to move along the guide rail 4 on the base 1; the second motor 10 drives the second screw rod 9 to rotate, and the second screw rod 9 drives the second slide 3 to move along the guide rail 4 on the first slide 2.

[0035] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A cross rail slide, characterized in that: It includes a base, a first slide and a second slide. The base and the first slide are both provided with guide rails. The bottom of the first slide is provided with a slider, which is slidably matched with the guide rail on the base. The second slide is slidably connected to the guide rail on the first slide. A guide rail positioning groove is provided on the base and the first slide, and the guide rail is arranged in the guide rail positioning groove; a first wedge block installation groove is provided on one side of the guide rail positioning groove, a first wedge block is provided in the first wedge block installation groove, and a wedge block fastening bolt is provided between the first wedge block and the base or the first slide; one side of the guide rail is pressed against the side wall of the guide rail positioning groove, and the other side of the guide rail is pressed against one end of the first wedge block.

2. A cross rail slide according to claim 1, characterized in that: The guide rail is provided with a countersunk screw hole, and a guide rail fastening bolt is provided between the guide rail and the base or the first slide. The guide rail fastening bolt passes through the countersunk screw hole on the guide rail and is connected to the base or the first slide.

3. A cross rail slide according to claim 1, characterized in that: A first inclined surface is provided at one end of the first wedge block away from the guide rail, a second inclined surface is provided at one side of the first wedge block mounting groove, and the first inclined surface on the first wedge block contacts the second inclined surface on the first wedge block mounting groove.

4. A cross rail slide according to claim 1, characterized in that: The cross section of the first wedge is a right-angled trapezoid.

5. A cross rail slide according to claim 1, characterized in that: The slide block is fixed to the bottom of the first slide table by slide block fastening bolts.

6. A cross rail slide according to claim 1, characterized in that: A slide positioning groove is provided at the bottom of the first slide, and the slide is arranged in the slide positioning groove; a second wedge block mounting groove is provided on one side of the slide positioning groove, a second wedge block is provided in the second wedge block mounting groove, and a wedge block fastening bolt is provided between the second wedge block and the first slide; one side of the slider is pressed against the side wall of the slider positioning groove, and the other side of the slider is pressed against one end of the second wedge block.

7. A cross rail slide according to claim 6, characterized in that: A third inclined surface is provided at one end of the second wedge block away from the sliding block, a fourth inclined surface is provided at one side of the second wedge block mounting groove, and the third inclined surface on the second wedge block contacts the fourth inclined surface on the second wedge block mounting groove.

8. A cross rail slide according to claim 6, characterized in that: The cross section of the second wedge is a right-angled trapezoid.

9. A cross rail slide according to any one of claims 1 to 8, characterized in that: The base is provided with a first motor, the output shaft of the first motor is connected with a first screw rod, the first screw rod is parallel to the guide rail arranged on the base, and the first screw rod is threadedly engaged with the first slide; the first slide is provided with a second motor, the output shaft of the second motor is connected with a second screw rod, the second screw rod is parallel to the screw rod arranged on the first slide, and the second screw rod is threadedly engaged with the second slide.

10. A cross rail slide according to any one of claims 1 to 8, characterized in that: The guide rail on the base is perpendicular to the guide rail on the first slide platform.

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