Linear guide rail detection device

Abstract

The utility model discloses a linear guide rail detection device in the technical field of detection devices, which comprises a base and a detection mechanism, the upper end of the base is used for placing a guide rail body, guide rail grooves are symmetrically arranged on two sides of the guide rail body, the upper end of the base is fixedly connected with a door frame, and the detection mechanism is connected to the lower end of the door frame. Wherein the detection mechanism comprises a lifting assembly, the lifting assembly comprises a plurality of first hydraulic rods and a mounting plate, the first hydraulic rods are fixedly connected with the lower end of the portal, and the mounting plate is fixedly connected with the lower ends of the first hydraulic rods. The detection assembly can detect the straightness of the two sides of the guide rail body through the detection member and the first pressure sensor, can detect the straightness of the guide rail grooves on the two sides of the guide rail body through the detection rod, and can be adjusted according to the actual height of the guide rail grooves on the guide rail body.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a linear guide rail detection device. Background Art

[0002] Linear guides, also known as linear rails, slides, linear guides, and linear slides, are used in high-precision or high-speed linear reciprocating motion situations, and can bear a certain torque. They can achieve high-precision linear motion under high load conditions. Linear guides are mainly used in mechanical structures with relatively high precision requirements. There is no intermediate medium between the moving elements and fixed elements of the linear guides, but rolling steel balls. After the linear guides are produced, they need to be tested for accuracy to determine whether they can be used normally.

[0003] In the prior art, the straightness detection of the guide rail adopts an artificial hydraulic straightening method to obtain the straightness of the linear guide rail. This method has low detection efficiency and poor detection accuracy, and cannot detect the straightness of the guide rail body and the guide rail groove separately. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing method of manually detecting the straightness of a linear guide rail has low detection efficiency and poor detection accuracy, and cannot detect the straightness of the guide rail body and the guide rail groove separately.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A linear guide rail detection device includes a base, the upper end of the base is used to place a guide rail body with guide rail grooves symmetrically provided on both sides, and also includes a detection mechanism, the upper end of the base is fixedly connected to a gantry, and the detection mechanism is connected to the lower end of the gantry, wherein: the detection mechanism includes a lifting assembly, the lifting assembly will include a first hydraulic rod and a mounting plate, several of the first hydraulic rods are fixedly connected to the lower end of the gantry, and the mounting plate is fixedly connected to the lower ends of several first hydraulic rods.

[0007] Furthermore, the detection mechanism includes a fixing component, which is symmetrically fixed to the lower ends of the two ends of the mounting plate, and the fixing component includes a first mounting shell and a first motor, the first mounting shell is fixed to the lower end of the mounting plate, the first motor is fixed to one side of the first mounting shell, the output end of the first motor is fixed with a first screw, the threads at both ends of the first screw are opposite, the two ends of the first screw are symmetrically threaded with a slide, the lower end of the slide extends out of the first mounting shell and the lower ends of the slide are fixed with a clamp.

[0008] Furthermore, the detection mechanism also includes a moving component, which includes a second mounting shell and a second motor, the second mounting shell is slidably arranged at the lower end of the mounting plate, the second motor is fixedly connected to one side of the mounting plate, the output end of the first motor is fixedly connected to a second screw, a sliding groove is provided in the mounting plate, the second screw is rotatably passed through the sliding groove, a sliding block is fixedly connected to the upper end of the second mounting shell, the sliding block is threadedly connected to the second screw, the sliding block is slidably adapted in the sliding groove, a limiting block is symmetrically fixedly connected to the upper end of the second mounting shell, and a limiting groove is symmetrically provided at the lower end of the mounting plate, and the limiting block is slidably adapted in the limiting groove.

[0009] Furthermore, the detection mechanism also includes a detection component, which is symmetrically connected to the lower end of the second mounting shell. The detection component includes a second hydraulic rod and a third mounting shell. The second hydraulic rod is fixed in the second mounting shell. The second hydraulic rod is fixed with a connecting block. The connecting block is slidably connected in the second mounting shell. The third mounting shell is fixed to the lower end of the connecting block. A mounting groove is provided in the third mounting shell. A detection piece is slidably connected in the mounting groove. A plurality of sliding rods are fixed in the mounting groove. The detection piece is slidably connected to the sliding rod. One end of the detection piece slides out of the third mounting shell. One end of the detection piece contacts the guide rail body. The detection piece is symmetrically fixed with a sensing component for sensing the pressure of the detection piece.

[0010] Furthermore, the sensing component includes a first spring, a connecting piece and a first pressure sensor, the first spring is fixedly connected to the detection member, the connecting piece is fixedly connected to the first spring, the first pressure sensor is fixedly connected inside the detection member, and the connecting piece abuts against the first pressure sensor.

[0011] Furthermore, the detection member is set to be C-shaped.

[0012] Furthermore, a connecting groove is provided in the third mounting shell, a detecting rod is passed through the connecting groove, a through groove is provided in the detecting member, the detecting rod movably passes through the through groove, the detecting rod movably extends out of both sides of the third mounting shell, the detecting rod is slidably connected to the third mounting shell, a fixing plate is fixedly connected to the detecting rod, a third spring is fixedly connected to the fixing plate, a connecting ring is fixedly connected to the third spring, the connecting ring is slidably passed through the detecting rod, a second pressure sensor is slidably connected in the connecting groove, the detecting rod slides through the second pressure sensor, the connecting ring abuts against the second pressure sensor, one end of the detecting rod abuts against the guide rail groove, and a shift block is fixedly connected to the other end of the detecting rod.

[0013] The beneficial effects achieved by the utility model using the above structure are as follows:

[0014] 1: The lifting component can be used to control the lifting of the fixing component and the detection component so that they are close to the guide rail body to be detected. The fixing component can be used to fix the guide rail body, which is simple and convenient to operate;

[0015] 2. The guide rail body can be inspected by using the moving component to drive the inspection component. The inspection method is simple and convenient with high inspection accuracy.

[0016] 3. In the detection component, the straightness of both sides of the guide rail body can be detected by the detection member and the first pressure sensor, and the straightness of the guide grooves on both sides of the guide rail body can be detected by the detection rod, and can be adjusted according to the actual height of the guide grooves on the guide rail body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the whole machine of the utility model.

[0018] Figure 2 It is an exploded view of the utility model.

[0019] Figure 3 This is an exploded view of the detection mechanism of the present utility model.

[0020] Figure 4 It is a schematic diagram of the mobile component of the utility model.

[0021] Figure 5 This is a schematic diagram of the installation of the detection component of the utility model.

[0022] Figure 6 This is a schematic diagram of the connection of the detection component parts of the utility model.

[0023] Figure 7 It is a schematic diagram of the detection component parts of the utility model.

[0024] Figure 8 It is a schematic diagram of the fixing component of the utility model.

[0025] Description of reference numerals:

[0026] 1. Base, 2. Door frame, 3. Guide rail body, 301. Guide rail groove, 4. Detection mechanism, 5. Lifting assembly, 501. First hydraulic rod, 502. Mounting plate, 503. Slide groove, 504. Limiting groove, 6. Fixed assembly, 601. First mounting shell, 602. First motor, 603. First screw, 604. Slide plate, 605. Clamp, 7. Moving assembly, 701. Second motor, 702. Second screw, 703. Second mounting shell, 704. Limit block, 705. Sliding block, 8. Detection assembly, 801. Second hydraulic rod, 802. Connecting block, 803. Third mounting shell, 804. Mounting slot, 805. Connecting slot, 806. Detection piece, 807. Through slot, 808. Detection rod, 809. Fixed plate, 810. Shifting block, 812. Sliding rod, 9. Sensing assembly, 10. First pressure sensor, 11. Second pressure sensor, 12. Connecting ring, 13. Second spring. DETAILED DESCRIPTION

[0027] like Figure 1-8 As shown, a linear guide rail detection device includes a base 1, the upper end of the base 1 is used to place a guide rail body 3 with guide rail grooves 301 symmetrically provided on both sides, and also includes a detection mechanism 4, the upper end of the base 1 is fixedly connected to a gantry 2, and the detection mechanism 4 is connected to the lower end of the gantry 2, wherein: the detection mechanism 4 includes a lifting assembly 5, the lifting assembly 5 will include a first hydraulic rod 501 and a mounting plate 502, several of the first hydraulic rods 501 are fixedly connected to the lower end of the gantry 2, and the mounting plate 502 is fixedly connected to the lower ends of several first hydraulic rods 501.

[0028] like Figure 8 As shown, in order to fix the guide rail body 3, the detection mechanism 4 includes a fixing component 6, and the fixing component 6 is symmetrically fixed to the lower ends of the two ends of the mounting plate 502. The fixing component 6 includes a first mounting shell 601 and a first motor 602. The first mounting shell 601 is fixed to the lower end of the mounting plate 502, and the first motor 602 is fixed to one side of the first mounting shell 601. The output end of the first motor 602 is fixed with a first screw 603, and the threads at both ends of the first screw 603 are opposite. The two ends of the first screw 603 are symmetrically threaded with a slide plate 604, and the lower end of the slide plate 604 extends out of the first mounting shell 601 and the lower ends of the slide plate 604 are fixed with a clamping plate 605.

[0029] like Figure 4As shown, in order to drive the detection component 8 to move, the detection mechanism 4 also includes a moving component 7, and the moving component 7 includes a second mounting shell 703 and a second motor 701. The second mounting shell 703 is slidably arranged at the lower end of the mounting plate 502, and the second motor 701 is fixedly connected to one side of the mounting plate 502. The output end of the third motor is fixedly connected to a second screw rod 702, and a slide groove 503 is provided in the mounting plate 502. The second screw rod 702 is rotatably passed through the slide groove 503. A slider 705 is fixedly connected to the upper end of the second mounting shell 703. The slider 705 is threadedly connected to the second screw rod 702, and the slider 705 is slidably adapted in the slide groove 503. The upper end of the second mounting shell 703 is symmetrically fixedly connected to a limiting block 704, and the lower end of the mounting plate 502 is symmetrically provided with a limiting groove 504, and the limiting block 704 is slidably adapted in the limiting groove 504.

[0030] like Figure 5-7As shown, in order to detect the guide rail body 3, the detection mechanism 4 also includes a detection component 8, which is symmetrically connected to the lower end of the second mounting shell 703. The detection component 8 includes a second hydraulic rod 801 and a third mounting shell 803. The second hydraulic rod 801 is fixedly connected to the second mounting shell 703. The second hydraulic rod 801 is fixedly connected to a connecting block 802. The connecting block 802 is slidably connected to the second mounting shell 703. The third mounting shell 803 is fixedly connected to the lower end of the connecting block 802. The third mounting shell 803 is provided with a mounting The mounting groove 804 is provided with a detection member 806 which is slidably connected in the mounting groove 804. A plurality of slide bars 812 are fixedly connected in the mounting groove 804. The detection member 806 is slidably connected to the slide bars 812. One end of the detection member 806 slides out of the third mounting shell 803. One end of the detection member 806 abuts against the guide rail body 3. The detection member 806 is symmetrically fixed with a sensing component 9 for sensing the pressure of the detection member 806. The sensing component 9 includes a first spring, a connecting sheet and a first pressure sensor 10. The first spring is fixedly connected to the detection member 806. The connecting piece is fixedly connected to the first spring, the first pressure sensor 10 is fixedly connected to the detection member 806, the connecting piece is in contact with the first pressure sensor 10, the detection member 806 is set to be C-shaped, the third mounting shell 803 is provided with a connecting groove 805, the connecting groove 805 is penetrated with a detection rod 808, the detection member 806 is provided with a through groove 807, the detection rod 808 movably passes through the through groove 807, the detection rod 808 movably extends from both sides of the third mounting shell 803, and the detection rod 808 is slidably connected to the third mounting shell 803, a fixing plate 809 is fixedly connected to the detection rod 808, a third spring is fixedly connected to the fixing plate 809, a connecting ring 12 is fixedly connected to the third spring, the connecting ring 12 is slidably passed through the detection rod 808, a second pressure sensor 11 is slidably connected in the connecting groove 805, the detection rod 808 slides through the second pressure sensor 11, the connecting ring 12 abuts against the second pressure sensor 11, a shift block 810 is fixedly connected to the other end of the detection rod 808, and one end of the detection rod 808 abuts against the guide rail groove 301.

[0031] When the utility model is in use, the guide rail body 3 is placed on the base 1, and the first hydraulic rod 501 is used to drive the fixing assembly 6 and the detection assembly 8 to approach the guide rail body 3. According to the width of the guide rail, the first motor 602 is used to drive the clamping plate 605 to clamp the two ends of the fixed guide rail body 3 to achieve the fixation of the guide rail body 3. At the same time, the second hydraulic rod 801 is used to drive the detection assembly 8 to approach the two sides of the guide rail body 3, so that the detection member 806 is in contact with the two sides of the guide rail body 3. A toggle block is provided inside to drive the detection rod 808 to move, so that the end of the detection rod 808 is in contact with the guide rail groove 301. The first motor 602 is used to drive the second mounting shell 703 to slide on the lower end of the mounting plate 502, thereby driving the detection assembly 8 to slide on both sides of the guide rail body 3, so that the detection member 806 slides on both sides of the guide rail body 3, and the detection rod 808 slides in the guide rail groove 301. The first pressure sensor 10 and the second pressure sensor 11 are used to respectively sense the pressure changes when the detection member 806 and the detection rod 808 slide, and then the straightness of the guide rail body 3 and the guide rail groove 301 is obtained.

[0032] In summary: In the embodiment of the utility model, the lifting component 5 can control the lifting of the fixing component 6 and the detection component 8 to make them close to the guide rail body 3 to be detected, the fixing component 6 can be used to fix the guide rail body 3, and the operation is simple and convenient. The moving component 7 drives the detection component 8 to detect the guide rail body 3. The detection method is simple and convenient, and the detection accuracy is high. The detection component 8 can detect the straightness of both sides of the guide rail body 3 through the detection part 806 and the first pressure sensor 10, and the straightness of the guide groove 301 on both sides of the guide rail body 3 can be detected through the detection rod 808, and it can be adjusted according to the actual height of the guide groove 301 on the guide rail body 3.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A linear guide rail detection device, comprising a base, wherein the upper end of the base is used to place a guide rail body having guide rail grooves symmetrically arranged on both sides, characterized in that: It also includes a detection mechanism, the upper end of the base is fixedly connected to a gantry, and the detection mechanism is connected to the lower end of the gantry, wherein: the detection mechanism includes a lifting assembly, the lifting assembly will include a first hydraulic rod and a mounting plate, several of the first hydraulic rods are fixedly connected to the lower end of the gantry, and the mounting plate is fixedly connected to the lower ends of several first hydraulic rods.

2. A linear guide rail detection device according to claim 1, characterized in that: The detection mechanism includes a fixing component, which is symmetrically fixed to the lower ends of the two ends of the mounting plate. The fixing component includes a first mounting shell and a first motor. The first mounting shell is fixed to the lower end of the mounting plate, and the first motor is fixed to one side of the first mounting shell. The output end of the first motor is fixed with a first screw, and the threads at both ends of the first screw are opposite. The two ends of the first screw are symmetrically threaded with a slide, and the lower end of the slide extends out of the first mounting shell and the lower ends of the slide are fixed with a clamping plate.

3. A linear guide rail detection device according to claim 2, characterized in that: The detection mechanism also includes a moving component, which includes a second mounting shell and a second motor, the second mounting shell is slidably arranged at the lower end of the mounting plate, the second motor is fixedly connected to one side of the mounting plate, the output end of the first motor is fixedly connected to a second screw, a slide groove is arranged in the mounting plate, the second screw rod is rotatably passed through the slide groove, a slider is fixedly connected to the upper end of the second mounting shell, the slider is threadedly connected to the second screw, the slider is slidably adapted in the slide groove, a limiting block is symmetrically fixedly connected to the upper end of the second mounting shell, a limiting groove is symmetrically arranged at the lower end of the mounting plate, and the limiting block is slidably adapted in the limiting groove.

4. A linear guide rail detection device according to claim 3, characterized in that: The detection mechanism also includes a detection component, which is symmetrically connected to the lower end of the second mounting shell. The detection component includes a second hydraulic rod and a third mounting shell. The second hydraulic rod is fixed in the second mounting shell. The second hydraulic rod is fixed with a connecting block. The connecting block is slidably connected in the second mounting shell. The third mounting shell is fixed to the lower end of the connecting block. A mounting groove is provided in the third mounting shell. A detection piece is slidably connected in the mounting groove. A plurality of sliding rods are fixed in the mounting groove. The detection piece is slidably connected to the sliding rod. One end of the detection piece slides out of the third mounting shell. One end of the detection piece contacts the guide rail body. The detection piece is symmetrically fixed with a sensing component for sensing the pressure of the detection piece.

5. A linear guide rail detection device according to claim 4, characterized in that: The sensing component includes a first spring, a connecting piece and a first pressure sensor. The first spring is fixedly connected to the detection member, the connecting piece is fixedly connected to the first spring, the first pressure sensor is fixedly connected to the detection member, and the connecting piece contacts the first pressure sensor.

6. A linear guide rail detection device according to claim 4, characterized in that: The detection member is set to be C-shaped.

7. A linear guide rail detection device according to claim 4, characterized in that: A connecting groove is provided in the third mounting shell, a detecting rod is passed through the connecting groove, a through groove is provided in the detecting member, the detecting rod movably passes through the through groove, the detecting rod movably extends out of both sides of the third mounting shell, the detecting rod is slidably connected to the third mounting shell, a fixing plate is fixedly connected to the detecting rod, a third spring is fixedly connected to the fixing plate, a connecting ring is fixedly connected to the third spring, the connecting ring is slidably passed through the detecting rod, a second pressure sensor is slidably connected in the connecting groove, the detecting rod slides through the second pressure sensor, the connecting ring abuts against the second pressure sensor, one end of the detecting rod abuts against the guide rail groove, and a shift block is fixedly connected to the other end of the detecting rod.

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