A device for testing the parallelism of ball screw and guide rail

Abstract

The utility model discloses a device for testing the parallelism of a ball screw and a guide rail, and relates to the technical field of screw rod testing, comprising a guide rail body and a testing plate, wherein a ball screw body is arranged on the inner side of the guide rail body, a limit position assembly is arranged on the right end of the bottom side of the testing plate, and an adjustment mechanism and a testing box are arranged on the bottom side of the testing plate; during testing, the testing plate is pushed to move, and at this time, when the ball screw body and the guide rail body are not parallel, the testing seat moves upward or downward, and when the testing seat moves upward, a warning light on the right side is turned on through the mutual contact between three elastic contact pieces, which is conducive to detecting the offset height of the ball screw body, and the offset size can be checked through a testing ruler, on the contrary, when the testing seat moves downward, a first elastic contact piece and a second elastic contact piece contact each other, thereby turning on the warning light on the left side for reminding, and then the offset size can be checked through the testing ruler, and the use is convenient and fast, and the detection is simple and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of screw rod inspection, in particular to a device for inspecting the parallelism of a ball screw and a guide rail. Background Art

[0002] The ball screw consists of a screw, a nut and a ball. Its function is to convert rotational motion into linear motion. Due to its very small friction resistance, it is widely used in various industrial equipment and precision instruments.

[0003] When using, the ball screw is used in conjunction with a guide rail. The guide rail is used for guidance, and the ball screw is used for driving and positioning. The parallelism between the guide rail and the ball screw directly affects the positioning accuracy and the service life of the ball screw.

[0004] However, during the installation of the ball screw and the guide rail, it is easy for the ball screw and the guide rail to be non-parallel. The installation error can easily lead to reduced accuracy during later use. In addition, it is troublesome and time-consuming to detect the parallelism between the ball screw and the guide rail, the inspection error value is large, and the operation is cumbersome. Utility Model Content

[0005] The purpose of the utility model is to provide a device for testing the parallelism of a ball screw and a guide rail, which can solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for testing the parallelism of a ball screw and a guide rail, comprising a guide rail body and a detection plate, a ball screw body is arranged on the inner side of the guide rail body, a limit assembly is arranged on the right end of the bottom side of the detection plate, an adjustment mechanism and a detection box are arranged on the bottom side of the detection plate, a detection seat is movably installed on the lower end of the outer side of the detection box, and an inspection mechanism is arranged between the detection seat and the detection box.

[0007] Preferably, the limit assembly includes a through slot, a limit plate, a slide slot and a slider, a through slot is opened at the left end of the top side of the detection plate, a limit plate is movably installed on the inner side of the through slot, a slide slot is opened on the side of the limit plate away from the detection seat, a slider is arranged on the inner side of the slide slot, and a fastening spring is fixedly installed between the slide slot and the slider.

[0008] Preferably, a baffle is fixedly installed on the side of the slider away from the slide groove, and a ball body is respectively provided on the bottom side of the baffle and the side of the limit plate away from the detection seat. There are always two groups of ball bodies, and the top side of the limit plate is threadedly connected with a fastening bolt.

[0009] Preferably, the adjustment mechanism includes an adjustment seat, an adjustment slot and an electric push rod, the top side of the detection plate is provided with an adjustment slot, the inner side of the adjustment slot is movably mounted with an adjustment seat, and the electric push rod is fixedly mounted between the bottom side of the adjustment seat and the detection box.

[0010] Preferably, the detection box is a bottom-opening structure, a No. 1 elastic contact piece is provided on the bottom side of the inner side of the detection box, a mounting plate is fixedly mounted on the lower end of the left side of the detection box, and two mounting plates are provided in total.

[0011] Preferably, a card seat is fixedly installed on the top side of the detection seat, a No. 2 elastic contact piece is arranged on the bottom side of the upper end of the card seat, a return spring is fixedly installed between the No. 2 elastic contact piece and the card seat, and a detection ruler is fixedly installed on the top side of the card seat.

[0012] Preferably, the inspection mechanism includes a support plate, a support seat and a warning light, a support plate is arranged on the top side of the card seat, a return spring is fixedly installed between the support plate and the card seat, a support seat is fixedly installed on the top side of the inner side of the detection box, three elastic contact pieces are arranged on the opposite sides of the support plate and the support seat, and warning lights are respectively arranged on the left and right sides of the detection box, and the warning lights are respectively electrically connected to the number one elastic contact piece, the number two elastic contact piece and the number three elastic contact piece.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model facilitates the installation of the inspection device by inserting two sets of limit plates in the inspection device into the inner side of the guide rail body, then moving the limit plates to fit closely to the inner wall of the guide rail body, and then rotating the fastening bolts to fix them. In the process of installation, the slider and the baffle are driven to fit closely to the top side of the guide rail body under the action of the fastening spring, which helps to improve the stability of the installation.

[0015] During the inspection process, the utility model helps to improve the stability of the inspection device when it moves through the ball body, and then the adjustment seat is turned to make the inspection seat parallel to the ball screw body, and then the electric push rod is started to drive the inspection seat to be raised and lowered, which helps to fit the inspection seat to the outside of the ball screw body, facilitating inspection. At this time, pay attention to check that the zero scale of the inspection ruler is just parallel to the top side of the inspection box.

[0016] During the inspection of the utility model, the detection plate is pushed to move. At this time, when the ball screw body is not parallel to the guide rail body, the detection seat moves upward or downward. When the detection seat moves upward, the No. 3 elastic contact pieces fit each other, and then the warning light on the right is turned on, which is conducive to detecting the offset height of the ball screw body, and the offset size can be checked through the detection ruler. Conversely, when the detection seat moves downward, the No. 1 elastic contact piece and the No. 2 elastic contact piece contact each other, thereby turning on the warning light on the left for reminding, and then checking the offset size through the detection ruler. It is convenient and quick to use, and the detection is simple and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the detection plate and the detection box of the utility model;

[0020] Figure 4 This is a schematic diagram of the left-side cross-sectional structure of the utility model;

[0021] Figure 5 For this utility model Figure 4 A in the figure is an enlarged structural diagram.

[0022] In the figure: 1. Guide rail body; 2. Detection plate; 3. Ball screw body; 4. Limit assembly; 5. Adjustment mechanism; 6. Detection box; 7. Detection seat; 8. Inspection mechanism; 401. Through slot; 402. Limit plate; 403. Slide slot; 404. Slider; 501. Adjustment seat; 502. Adjustment slot; 503. Electric push rod; 601. No. 1 elastic contact piece; 602. Mounting plate; 701. Card seat; 702. No. 2 elastic contact piece; 703. Detection ruler; 801. Support plate; 802. Support seat; 803. Warning light; 4041. Baffle; 4022. Ball body. DETAILED DESCRIPTION

[0023] 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1The figure shows a device for testing the parallelism of a ball screw and a guide rail, comprising a guide rail body 1 and a detection plate 2. A ball screw body 3 is arranged on the inner side of the guide rail body 1, a limit assembly 4 is arranged on the right end of the bottom side of the detection plate 2, an adjustment mechanism 5 and a detection box 6 are arranged on the bottom side of the detection plate 2, a detection seat 7 is movably installed on the lower end of the outer side of the detection box 6, and an inspection mechanism 8 is arranged between the detection seat 7 and the detection box 6.

[0026] See also Figure 2 and Figure 3 In the figure, the limit assembly 4 includes a through slot 401, a limit plate 402, a slide slot 403 and a slider 404. A through slot 401 is provided at the left end of the top side of the detection plate 2, and a limit plate 402 is movably installed on the inner side of the through slot 401. A slide slot 403 is provided on the side of the limit plate 402 away from the detection seat 7, and a slider 404 is provided on the inner side of the slide slot 403, and a fastening spring is fixedly installed between the slide slot 403 and the slider 404.

[0027] In this embodiment: the two sets of limit plates 402 in the inspection device are inserted into the inner side of the guide rail body 1, and then the limit plates 402 are moved to fit closely against the inner wall of the guide rail body 1, and then the fastening bolts are turned to fix them, so as to facilitate the installation of the inspection device.

[0028] Working principle: First, insert the two sets of limit plates 402 in the inspection device into the inner side of the guide rail body 1, then move the limit plates 402 to fit the inner wall of the guide rail body 1, and then turn the fastening bolts to fix it, so as to facilitate the installation of the inspection device, and in the process of installation, the slider 404 and the baffle 4041 are driven to fit the top side of the guide rail body 1 under the action of the fastening spring, which is conducive to improving the stability of the installation, and in the inspection process, the ball body 4022 is used to improve the stability of the inspection device during movement, and then the adjustment seat 501 is moved to make the detection seat 7 parallel to the ball screw body 3, and then the electric push rod 503 is started to drive the detection seat 7 to be raised and lowered, so as to facilitate the detection seat 7 to fit the outer side of the ball screw body 3, so as to facilitate the installation of the inspection device. For inspection, pay attention to check that the zero scale of the detection ruler 703 is just parallel to the top side of the inspection box 6. Then, during the inspection, push the inspection plate 2 to move. At this time, when the ball screw body 3 is not parallel to the guide rail body 1, the inspection seat 7 moves upward or downward. When the inspection seat 7 moves upward, the three elastic contact pieces fit together, and then the warning light 803 on the right is turned on, which is conducive to detecting the offset height of the ball screw body 3, and the offset size can be checked through the detection ruler 703. On the contrary, when the inspection seat 7 moves downward, the first elastic contact piece 601 and the second elastic contact piece 702 contact each other, thereby turning on the warning light 803 on the left for a reminder, and then checking the offset size through the detection ruler 703. It is convenient and quick to use, and the detection is simple and accurate.

[0029] Example 2

[0030] See also Figure 3 and Figure 4 This embodiment further explains Example 1. In the figure, a baffle 4041 is fixedly installed on the side of the slider 404 away from the slide groove 403. A ball body 4022 is respectively provided on the bottom side of the baffle 4041 and the side of the limit plate 402 away from the detection seat 7. There are two groups of ball bodies 4022 in total, and the top side of the limit plate 402 is connected with a fastening bolt through a thread.

[0031] In this embodiment: the slider 404 and the baffle 4041 are driven to press against the top side of the guide rail body 1 by the tightening spring, thereby facilitating the improvement of installation stability. In addition, during the inspection process, the ball body 4022 is conducive to improving the stability of the inspection device during movement.

[0032] See also Figure 3 In the figure, the adjustment mechanism 5 includes an adjustment seat 501, an adjustment slot 502 and an electric push rod 503. The top side of the detection plate 2 is provided with an adjustment slot 502, the inner side of the adjustment slot 502 is movably mounted with the adjustment seat 501, and the electric push rod 503 is fixedly mounted between the bottom side of the adjustment seat 501 and the detection box 6.

[0033] In this embodiment: the detection seat 7 is made parallel to the ball screw body 3 by toggling the adjustment seat 501, and then the electric push rod 503 is started to drive the detection seat 7 to be raised and lowered, so as to facilitate the detection seat 7 to fit the outer side of the ball screw body 3 for easy inspection. At this time, pay attention to check that the zero scale of the detection ruler 703 is just parallel to the top side of the detection box 6.

[0034] See also Figure 5 In the figure, the detection box 6 is a bottom-opening structure, and a first elastic contact piece 601 is arranged on the bottom side of the inner side of the detection box 6. A mounting plate 602 is fixedly installed on the lower end of the left side of the detection box 6, and there are two mounting plates 602 in total.

[0035] In this embodiment, when the detection seat 7 moves downward, the first elastic contact piece 601 and the second elastic contact piece 702 contact each other, thereby turning on the warning light 803 on the left side for reminder, which is convenient and fast to use, and the detection is simple and accurate.

[0036] See also Figure 5 In the figure, a card holder 701 is fixedly installed on the top side of the detection seat 7, a second elastic contact piece 702 is arranged on the bottom side of the upper end of the card holder 701, a return spring is fixedly installed between the second elastic contact piece 702 and the card holder 701, and a detection ruler 703 is fixedly installed on the top side of the card holder 701.

[0037] In this embodiment: through the clamping seat 701, it is convenient to detect parallelism through the second elastic contact piece 702 when the detection seat 7 moves, and when it is convenient to detect under the action of the detection ruler 703, the offset size can be measured, which is convenient for adjustment.

[0038] See also Figure 5 In the figure, the inspection mechanism 8 includes a support plate 801, a support seat 802 and a warning light 803. The support plate 801 is arranged on the top side of the card seat 701, and a return spring is fixedly installed between the support plate 801 and the card seat 701. The support seat 802 is fixedly installed on the top side of the inner side of the detection box 6. The opposite sides of the support plate 801 and the support seat 802 are arranged with a third elastic contact piece. The left and right sides of the detection box 6 are respectively provided with warning lights 803, and the warning lights 803 are respectively electrically connected with the first elastic contact piece 601, the second elastic contact piece 702 and the third elastic contact piece.

[0039] In this embodiment: by moving the detection seat 7 upward, the two groups of No. 3 elastic contact pieces fit together, and then the warning light 803 on the right is turned on, which is conducive to detecting the offset height of the ball screw body 3, and the offset size can be checked through the detection ruler 703.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ball screw and guide rail parallelism inspection device, comprising a guide rail body (1) and a detection plate (2), characterized in that: A ball screw body (3) is arranged on the inner side of the guide rail body (1), a limit assembly (4) is arranged on the right end of the bottom side of the detection plate (2), an adjustment mechanism (5) and a detection box (6) are arranged on the bottom side of the detection plate (2), a detection seat (7) is movably mounted on the lower end of the outer side of the detection box (6), and an inspection mechanism (8) is arranged between the detection seat (7) and the detection box (6).

2. A ball screw and guide rail parallelism inspection device according to claim 1, characterized in that: The limiting assembly (4) comprises a through slot (401), a limiting plate (402), a slide groove (403) and a slider (404); the through slot (401) is provided at the left end of the top side of the detection plate (2); a limiting plate (402) is movably installed inside the through slot (401); a slide groove (403) is provided on the side of the limiting plate (402) away from the detection seat (7); a slider (404) is provided inside the slide groove (403); and a fastening spring is fixedly installed between the slide groove (403) and the slider (404).

3. A ball screw and guide rail parallelism inspection device according to claim 2, characterized in that: A baffle (4041) is fixedly installed on the side of the slider (404) away from the slide groove (403), and a ball body (4022) is respectively provided on the bottom side of the baffle (4041) and the side of the limit plate (402) away from the detection seat (7). There are always two groups of ball bodies (4022), and the top side of the limit plate (402) is connected with a fastening bolt via a thread.

4. A ball screw and guide rail parallelism inspection device according to claim 1, characterized in that: The adjustment mechanism (5) comprises an adjustment seat (501), an adjustment slot (502) and an electric push rod (503); the top side of the detection plate (2) is provided with an adjustment slot (502); the inner side of the adjustment slot (502) is movably provided with the adjustment seat (501); and the electric push rod (503) is fixedly provided between the bottom side of the adjustment seat (501) and the detection box (6).

5. A ball screw and guide rail parallelism inspection device according to claim 4, characterized in that: The detection box (6) is a bottom-opening structure. A first elastic contact sheet (601) is provided on the bottom side of the inner side of the detection box (6). A mounting plate (602) is fixedly installed on the lower end of the left side of the detection box (6). Two mounting plates (602) are provided in total.

6. The device for testing the parallelism of a ball screw and a guide rail according to claim 1, characterized in that: A card seat (701) is fixedly mounted on the top side of the detection seat (7), a second elastic contact piece (702) is arranged on the bottom side of the upper end of the card seat (701), a return spring is fixedly mounted between the second elastic contact piece (702) and the card seat (701), and a detection ruler (703) is fixedly mounted on the top side of the card seat (701).

7. A ball screw and guide rail parallelism inspection device according to claim 6, characterized in that: The inspection mechanism (8) comprises a support plate (801), a support seat (802) and a warning light (803); the support plate (801) is arranged on the top side of the card seat (701); a return spring is fixedly installed between the support plate (801) and the card seat (701); the support seat (802) is fixedly installed on the top side of the inner side of the detection box (6); the support plate (801) and the support seat (802) are arranged on the opposite sides; the warning lights (803) are respectively arranged on the left and right sides of the detection box (6); the warning lights (803) are respectively electrically connected to the first elastic contact sheet (601), the second elastic contact sheet (702) and the third elastic contact sheet.

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