Linear guide rail with positioning function

Abstract

The utility model relates to the technical field of linear guide rails, in particular to a linear guide rail with a positioning function, which comprises a guide rail, the guide rail is slidably connected with a connecting block, the bottom of the connecting block is provided with a connecting groove, the connecting groove is rotatably connected with a connecting column, and the bottom of the connecting column is fixedly connected with a sliding shaft. A clamping assembly is arranged at the bottom of the connecting column, a telescopic column is arranged in the sliding shaft, a threaded groove is formed in the side wall of the lower end of the telescopic column, and the threaded groove is rotationally connected with a threaded piece in a threaded mode. The positioning device can achieve the accurate positioning effect, does not depend on manual intervention, is stable in positioning position, and when resetting or moving is needed, rising of the telescopic column and rotation of the threaded piece can enable a component to rapidly recover to the initial position, positioning is conducted again, the working efficiency of equipment is improved through the rapid resetting function, and the labor intensity of workers is lowered. Resetting and repositioning can be completed under the condition that dismounting is not carried out, and the operation process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear guide rail technical field especially relates to a linear guide rail with positioning function. BACKGROUND

[0002] The linear guide rail with positioning function is a linear motion system integrated with positioning device, which can provide accurate linear motion and ensure its position accuracy. It is usually used in automation equipment, mechanical arm, numerical control machine tool, laser cutting machine, 3D printer and other applications requiring high-precision positioning.

[0003] At present, the linear guide rail with positioning function of the prior art has the following disadvantages: the positioning function of the linear guide rail cannot accurately realize multiple resets or adjustments, resulting in a small error between each positioning, which accumulates after multiple operations and easily affects the overall precision of the equipment, causing processing errors or unstable product quality. Each positioning needs to be adjusted or disassembled, and the operator will spend more time adjusting, resulting in reduced production efficiency. In the production environment requiring frequent position adjustment, the inability to achieve rapid multiple positioning greatly increases the operation cost and human resource investment, thereby making the equipment less practical. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a linear guide rail with positioning function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a linear guide rail with positioning function, comprising a guide rail, the guide rail is slidably connected with a connecting block, the bottom of the connecting block is provided with a connecting groove, the connecting groove is rotatably connected with a connecting column, the bottom of the connecting column is fixedly connected with a sliding shaft, the sliding shaft is slidably connected with the guide rail, the bottom of the connecting column is provided with a clamping assembly, the inside of the sliding shaft is provided with a telescopic column, the upper side of the telescopic column is provided with a driving assembly, the driving assembly is used for driving the telescopic column to rotate, the outer wall of the telescopic column is provided with a sliding assembly, the sliding assembly is used for driving the telescopic column to extend and retract, the lower end side wall of the telescopic column is provided with a threaded groove, the threaded groove is threadedly rotatably connected with a threaded part, the upper end of the threaded part corresponds with the clamping assembly, the inside of the sliding shaft is provided with a limiting assembly, and the lower end of the threaded part corresponds with the limiting assembly.

[0006] Preferably, the sliding assembly comprises an electric telescopic shell slidably connected to the inner wall of the connecting column, a fixed ring is fixedly installed on the inner wall of the electric telescopic shell, the outer wall of the telescopic column is provided with a mounting groove, the electric telescopic shell is sleeved on the outer wall of the telescopic column, and the fixed ring is clamped with the mounting groove.

[0007] Preferably, the driving assembly comprises a motor fixedly installed at the top of the inner wall of the connecting groove, and the output end of the motor is fixedly connected with the telescopic column.

[0008] Preferably, the top and the bottom of the screw part are respectively provided with clamping grooves, the clamping grooves of the top and the bottom are not communicated, and a resisting block is fixedly installed in the clamping grooves.

[0009] Preferably, the inside of the sliding shaft is provided with a cavity communicated with the connecting groove, the limiting assembly comprises a bottom plate fixedly installed at the bottom of the inner wall of the cavity, two second clamping columns are fixedly installed at the top of the bottom plate, the two second clamping columns are symmetrically distributed at the top of the bottom plate, and the second clamping columns correspond to the clamping grooves at the bottom of the screw part.

[0010] Preferably, the clamping assembly comprises two first clamping columns fixedly installed at the bottom of the connecting column, the two first clamping columns are symmetrically distributed at the bottom of the connecting column, and correspond to the clamping grooves at the top of the screw part.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a kind of positioning function's linear guide rail, including connecting column, sliding shaft, screw part, limiting assembly and clamping assembly, connecting column is fixedly installed in the sliding shaft, the sliding shaft is fixedly installed in screw part, limiting assembly is fixedly installed in the sliding shaft, and clamping assembly is fixedly installed in the sliding shaft. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall side view structural schematic diagram of the linear guide rail with positioning function proposed in the utility model;

[0014] Figure 2 It is the structure schematic diagram of connecting block and connecting groove of the linear guide rail with positioning function proposed in the utility model;

[0015] Figure 3 It is the structure schematic diagram of electric telescopic shell and fixed ring of the linear guide rail with positioning function proposed in the utility model;

[0016] Figure 4 For Figure 3 Enlarged structural schematic view at A in the middle;

[0017] Figure 5 The structural schematic view of the telescopic column and the screw groove of the linear guide rail with positioning function is provided.

[0018] In the figure: 1 connecting block, 2 connecting column, 3 sliding shaft, 4 guide rail, 5 connecting groove, 6 electric telescopic shell, 7 fixed ring, 8 first clamping column, 9 motor, 10 telescopic column, 11 screw groove, 12 screw, 13 clamping groove, 14 second clamping column, 15 bottom plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figures 1 to 5 A linear guide rail with positioning function, comprising a guide rail 4, the connecting block 1 is slidably connected with the guide rail 4, the bottom of the connecting block 1 is provided with a connecting groove 5, the connecting groove 5 is rotatably connected with a connecting column 2, the bottom of the connecting column 2 is fixedly connected with a sliding shaft 3, the sliding shaft 3 is slidably connected with the guide rail 4, the inner wall of the connecting column 2 is slidably connected with an electric telescopic shell 6, the inner wall of the electric telescopic shell 6 is fixedly installed with a fixed ring 7, the inner wall top of the connecting groove 5 is fixedly installed with a motor 9, the output end of the motor 9 is fixedly connected with a telescopic column 10, the outer wall of the telescopic column 10 is provided with a mounting groove, the electric telescopic shell 6 is sleeved on the outer wall of the telescopic column 10, and the fixed ring 7 is clamped with the mounting groove, the lower end side wall of the telescopic column 10 is provided with a screw groove 11, the screw groove 11 is screwedly rotatably connected with a screw 12, the top and bottom of the screw 12 are respectively provided with a clamping groove 13, and the clamping groove 13 at the top is not communicated with the clamping groove 13 at the bottom, the inside of the sliding shaft 3 is provided with a cavity communicated with the connecting groove 5, the inner wall bottom of the cavity is fixedly installed with a bottom plate 15, the bottom plate 15 corresponds to the screw 12, the top of the bottom plate 15 is fixedly installed with two second clamping columns 14, the two second clamping columns 14 are symmetrically distributed on the top of the bottom plate 15, the second clamping column 14 corresponds to the clamping groove 13 at the bottom of the screw 12, the bottom of the connecting column 2 is fixedly connected with two first clamping columns 8, the two first clamping columns 8 are symmetrically distributed on the bottom of the connecting column 2, and correspond to the clamping groove 13 at the top of the screw 12.

[0021] When the device needs to be positioned, the electric telescopic shell 6 drives the telescopic column 10 to extend downward through the fixing ring 7, the telescopic column 10 drives the threaded part 12 to move downward, the chassis 15 and the second clamping column 14 rotate with the sliding shaft 3 at this time, the threaded part 12 moves downward to the clamping groove 13 inserted into the bottom of the second clamping column 14, the top and bottom of the threaded part 12 are respectively fixedly installed with abutting blocks in the clamping groove 13, the second clamping column 14 drives the threaded part 12 to rotate, the threaded part 12 rotates upward along the threaded groove 11, stops moving at the end of the threaded groove 11, and the abutting blocks limit the second clamping column 14, so that the sliding shaft 3 stops rotating, thereby positioning, when it is needed to move again, the electric telescopic shell 6 drives the telescopic column 10 to shrink upward, so that the first clamping column 8 is inserted into the clamping groove 13 at the top of the threaded part 12, the motor 9 drives the telescopic column 10 to rotate, and the rotating direction is opposite to that of the sliding shaft 3, so that the threaded part 12 rotates to the lowermost part of the threaded groove 11.

[0022] By driving the telescopic column 10 to extend and shrink through the electric telescopic shell 6, combined with the cooperation of the threaded part 12 and the threaded groove 11, high-precision positioning can be realized, when positioning is needed, the downward movement of the telescopic column 10 makes the threaded part 12 clamped with the clamping groove 13, so that the sliding shaft 3 stops rotating, and accurate positioning effect is achieved, this positioning mode does not depend on manual intervention, and the positioning position is stable, human operation error is avoided, consistency and precision in repeated use can be ensured, when resetting or moving is needed, the upward movement of the telescopic column 10 and the rotation of the threaded part 12 can quickly restore the component to the initial position, and positioning is performed again, this quick resetting function improves the working efficiency of the equipment, especially in occasions requiring multiple accurate positioning, resetting and repositioning can be completed without disassembly, the operation process is simplified, maintenance and downtime are reduced, which is particularly important for application occasions requiring frequent position adjustment, especially in automatic production lines or position control systems requiring accurate adjustment, great convenience is provided.

[0023] The utility model discloses, sliding axle 3 can slide on guide rail 4, sliding axle 3 is connected on the connecting block 1 by connecting column 2, when needing to position the device, electric telescopic shell 6 starts, starts to elongate downward, electric telescopic shell 6 is installed in connecting column 2, and the inboard fixed mounting of electric telescopic shell 6 has fixed ring 7, and fixed ring 7 is inlayed in the mounting groove of telescopic column 10, to drive telescopic column 10 to elongate downward, and the outer side surface of telescopic column 10 is provided with screw groove 11, and the outer side of screw groove 11 is provided with screw part 12, so when telescopic column 10 elongates downward, will drive screw part 12 to move downward, and at this moment because sliding axle 3 is in rotating movement, to drive the rotation of bottom disc 15 and second clamping column 14, and after telescopic column 10 drops, second clamping column 14 will insert into the clamping groove 13, and the clamping groove 13 is set up on the upper and lower two side surfaces of screw part 12, and the inside fixedly has resistance block, and motor 9 is fixedly installed in the connecting groove 5, at this moment the rotation of second clamping column 14 will drive screw part 12 to rotate, to make screw part 12 move upward, and screw groove 11 is clamped, and when clamping groove 13 inside resistance block will limit second clamping column 14 after complete clamping, to make sliding axle 3 stop rotating, to position. When needing to move again, electric telescopic shell 6 drives telescopic column 10 to lift, then makes first clamping column 8 enter the clamping groove 13 of upper layer, then motor 9 starts to move, drives telescopic column 10 to rotate reversely with sliding axle 3, to make screw part 12 rotate to the lowermost of screw groove 11. This can position quickly, and can reset without disassembling, to realize multiple positioning, and the operation of prior art is facilitated.

[0024] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A linear guide rail having a positioning function, characterized by, The utility model provides a kind of rail (4) including guide rail, the connecting block (1) slidingly connected with guide rail, the bottom of the connecting block (1) is provided with connecting groove (5), connecting column (2) is rotatably connected with connecting groove (5), the bottom of connecting column (2) is fixedly connected with sliding shaft (3), and sliding shaft (3) is slidingly connected with guide rail (4), the bottom of connecting column (2) is provided with clamping assembly, the inside of sliding shaft (3) is provided with telescopic column (10), the upper of telescopic column (10) is provided with driving assembly, and the driving assembly is used to drive telescopic column (10) rotation, the outer wall of telescopic column (10) is provided with sliding assembly, and the sliding assembly is used to drive telescopic column (10) telescopic, and the lower end side wall of telescopic column (10) is provided with screw groove (11), and screw groove (11) is threadedly rotatably connected with screw part (12), and the upper end of screw part (12) corresponds with clamping assembly, and the inside of sliding shaft (3) is provided with limiting assembly, and the lower end of screw part (12) corresponds with limiting assembly.

2. The linear guide rail with a positioning function according to claim 1, characterized in that, The sliding assembly includes electric telescopic shell (6) slidingly connected to the inner wall of connecting column (2), the inner wall of electric telescopic shell (6) is fixedly installed with fixed ring (7), the outer wall of telescopic column (10) is provided with mounting groove, electric telescopic shell (6) is sleeved on the outer wall of telescopic column (10), and fixed ring (7) is clamped with mounting groove.

3. The linear guide rail with a positioning function according to claim 1, characterized in that, The driving assembly includes motor (9) fixedly installed on the top of the inner wall of connecting groove (5), and the output end of motor (9) is fixedly connected with telescopic column (10).

4. The linear guide rail with a positioning function according to claim 1, characterized in that, The top and bottom of screw part (12) are provided with clamping groove (13) respectively, and the clamping groove (13) of top is not communicated with the clamping groove (13) of bottom, and the clamping groove (13) is fixedly installed with resisting block.

5. The linear guide rail with a positioning function according to claim 4, characterized in that, The inside of sliding shaft (3) is provided with cavity communicated with connecting groove (5), and the limiting assembly includes bottom disc (15) fixedly installed on the bottom of the inner wall of cavity, and the top of bottom disc (15) is fixedly installed with two second clamping columns (14), two second clamping columns (14) are symmetrically distributed on the top of bottom disc (15), and the second clamping column (14) corresponds with the clamping groove (13) of the bottom of screw part (12).

6. The linear guide rail with a positioning function according to claim 4, characterized in that, The clamping assembly includes two first clamping columns (8) fixedly installed on the bottom of connecting column (2), and two first clamping columns (8) are symmetrically distributed on the bottom of connecting column (2), and correspond with the clamping groove (13) of the top of screw part (12).

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