Jumping amplitude testing fixture for motor screw rod

Abstract

The utility model provides a run-out amplitude testing fixture for a motor screw rod, which comprises an assembling seat, a linear track part, a sliding assembly and a dial indicator, and is characterized in that the upper end of the assembling seat is provided with an installation detection position, and the installation detection position is used for fixing the motor screw rod and enabling a linear screw rod of a screw rod motor to extend along the horizontal direction; the linear track part is fixedly arranged at the upper end of the assembling seat, and a track of the linear track part is parallel to the linear screw rod; the sliding assembly is slidably arranged on the linear rail part. The dial indicator is fixedly arranged on the sliding assembly, and the detection end of the dial indicator makes contact with the side face of the linear lead screw and is used for detecting the jumping amplitude of the linear lead screw. The technical problem to be solved by the utility model is that the rotation amplitudes of different positions of the jumping degree plate are different, so that when different positions of the screw rod are measured, the dial indicator and the jumping degree plate need to be calibrated again, and the operation is complex.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, specifically, relate to a kind of for motor screw rod's runout amplitude gauge. BACKGROUND

[0002] Screw rod as a kind of high-precision component, it needs to prevent large amplitude jitter when working, so it needs to detect runout amplitude before use.

[0003] In the prior art, a dial gauge is fixedly arranged above the screw rod, and a support rod is fixedly arranged at the side of the screw rod, the upper end of the support rod is connected with a runout plate that can rotate relative to the support rod, the lower side of the runout plate is matched with the upper end of the nut on the screw rod, and the upper side is matched with the measuring end of the dial gauge, when the screw rod motor starts, the screw rod drives the nut to jump, the nut contacts the runout plate, and drives the runout plate to jump, the dial gauge detects the runout amplitude of the runout plate to obtain the runout amplitude of the screw rod.

[0004] However, the related art has at least one of the following problems: since the rotation amplitudes of different positions of the runout plate are different, it is necessary to recalibrate the dial gauge and the runout plate when measuring different positions of the screw rod, which is complicated to operate. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that since the rotation amplitudes of different positions of the runout plate are different, it is necessary to recalibrate the dial gauge and the runout plate when measuring different positions of the screw rod, which is complicated to operate.

[0006] To solve the above problems, the utility model provides a runout amplitude gauge for motor screw rod, which comprises an assembly seat, a linear track part, a sliding assembly and a dial gauge, the upper end of the assembly seat is provided with a mounting detection position, the mounting detection position is used for fixing the screw rod motor, and the linear screw rod of the screw rod motor extends in the horizontal direction, the linear track part is fixedly arranged at the upper end of the assembly seat, and the track of the linear track part is arranged in parallel with the linear screw rod, the sliding assembly is slidably arranged in the linear track part, and the dial gauge is fixedly arranged in the sliding assembly, and the detection end of the dial gauge is in contact with the side surface of the linear screw rod, for detecting the runout amplitude of the linear screw rod.

[0007] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the dial gauge is arranged to slide along the linear guide rod, and the measuring end of the dial gauge is directly contacted with the linear guide rod, the problem that the dial gauge and the step plate need to be re-calibrated when measuring different positions of the guide rod due to different rotating amplitudes of the step plate at different positions is solved, a more simple and efficient guide rod motor run-out amplitude detection tool is provided, the linear guide rod run-out amplitude is detected by arranging the combination of the assembly seat, the linear track part, the sliding assembly and the dial gauge, and complex calibration operation is avoided.

[0008] In an example of the present application, the linear track part comprises at least one linear guide shaft, and the linear guide shaft is arranged in parallel with the linear guide rod.

[0009] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the sliding of the sliding assembly is provided with a guide rail parallel to the linear guide rod, the movement of the dial gauge in parallel with the linear guide rod during the measurement is ensured, the measurement is more stable and accurate, and the measurement error caused by the non-parallel rail is avoided.

[0010] In an example of the present application, the linear track part comprises two linear guide shafts arranged on both sides of the linear guide rod.

[0011] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the stability of the movement of the sliding assembly is further enhanced, the deviation or shaking of the sliding assembly during the movement is prevented through the bilateral guide, and the accuracy and reliability of the measurement are improved.

[0012] In an example of the present application, the sliding assembly comprises a linear bearing; wherein the linear bearing is sleeved on the linear guide shaft to realize the movement of the sliding assembly in the direction of the linear guide shaft.

[0013] Compared with the prior art, the technical effects reached by adopting the technical scheme are: the smooth sliding of the sliding assembly along the linear guide shaft is realized, the friction during the sliding is reduced, the dial gauge can more stably follow the run-out of the guide rod during the measurement, and the service life of the sliding assembly and the linear guide shaft is prolonged.

[0014] In an example of the present application, the sliding assembly comprises a clamping seat, the bottom of the clamping seat is fixed to the outer side of the linear bearing, the upper end of the clamping seat is provided with a clamping position, and the clamping position is used for clamping and fixing the dial gauge.

[0015] Compared with the prior art, the technical effects reached by adopting the technical scheme are: a stable mounting position is provided for the dial gauge, the position of the dial gauge is fixed during the measurement, displacement of the dial gauge due to external factors is avoided, and the accuracy and consistency of the measurement data are ensured.

[0016] In one embodiment of this utility model, the clamping position includes a clamping groove and an instrument mounting handle; the dial of the dial indicator is located on the upper end face of the clamping seat, and the measuring end of the dial indicator passes through the clamping groove and fits against the linear lead screw; the side of the clamping seat is provided with a threaded hole connecting the clamping groove and the outside of the clamping seat, and the side surface of the instrument mounting handle is provided with a corresponding thread, and the instrument mounting handle passes through the threaded hole to cooperate with the dial indicator, so as to fix and adjust the dial indicator.

[0017] Compared with existing technologies, the technical effects achieved by adopting this technical solution are: it facilitates the installation and debugging of dial indicators; through the cooperation of threaded holes and instrument mounting handles, dial indicators can be firmly fixed; and it is convenient to fine-tune the position and angle of dial indicators according to actual needs, thereby enhancing the convenience and flexibility of operation.

[0018] In one embodiment of this utility model, the installation detection position includes a motor mounting base and a lead screw mounting base; the lead screw mounting base includes a first support plate and a second support plate; the first support plate is vertically disposed on the side of the assembly base near the motor mounting base, and a limiting space is formed between the first support plate and the motor mounting base for fixing the motor part of the lead screw motor; the second support plate is vertically disposed on the side of the assembly base away from the motor mounting base; wherein, the first support plate is provided with a through hole for the linear lead screw to pass through, and the second support plate is provided with a limiting hole for fixing the end of the linear lead screw away from the motor mounting base.

[0019] Compared with existing technologies, the technical effects achieved by this solution are: it can stably install and fix the lead screw motor, so that the linear lead screw of the lead screw motor is in a horizontally extended state, which provides a good foundation for subsequent runout amplitude measurement and ensures the stability and reliability of the measurement environment.

[0020] In one embodiment of this utility model, the second support plate includes a deep groove ball bearing; the outer ring of the deep groove ball bearing is fixedly embedded in the limiting hole, and the inner ring of the deep groove ball bearing is sleeved on the side of the linear lead screw.

[0021] Compared with existing technologies, the technical effects achieved by this solution are: reduced friction between the linear lead screw and the second support plate during rotation, making the lead screw rotation smoother, while also providing good support and positioning for one end of the lead screw, preventing the lead screw from shaking or deviating during rotation, and improving the accuracy of measurement.

[0022] In one embodiment of this utility model, the motor mounting base includes a motor mounting handle for securing the lead screw motor.

[0023] Compared with existing technologies, the technical effects achieved by adopting this technical solution are: it can firmly secure the lead screw motor, prevent the lead screw motor from loosening or shifting during the measurement process, ensure the stable operation of the lead screw motor, and provide a guarantee for the accurate measurement of the runout amplitude.

[0024] In one embodiment of this utility model, multiple suction cups are disposed at the bottom of the assembly base for fixing the assembly base to the worktable.

[0025] Compared with existing technologies, the technical effects achieved by adopting this technical solution are: enhanced stability of the entire gauge on the workbench, prevention of movement or shaking of the gauge during measurement, and ensuring the accuracy and safety of measurement operations.

[0026] By adopting the technical solution of this utility model, the following technical effects can be achieved:

[0027] (1) By setting a dial indicator that can slide along the linear lead screw, and by directly detecting the contact of the linear lead screw through the detection end of the dial indicator, the problem of having to recalibrate the dial indicator and the jump plate when measuring different positions of the lead screw is avoided, which is complicated in operation.

[0028] (2) It ensures that the sliding component drives the dial indicator to move along a horizontal straight line, further improving the accuracy of the detection;

[0029] (3) The provided instrument for measuring the runout amplitude of a motor lead screw has a simple structure. When the lead screw motor is started, the runout amplitude of each position of the linear lead screw can be measured by a dial indicator by sliding the sliding component, which is convenient for operation. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 A schematic diagram of the structure of a runout amplitude gauge for a motor lead screw provided by this utility model;

[0032] Figure 2 for Figure 1 A structural diagram from another perspective;

[0033] Figure 3 for Figure 1 A structural diagram from another perspective;

[0034] Figure 4 for Figure 1A structural diagram from another perspective;

[0035] Figure 5 for Figure 1 A structural diagram from another perspective.

[0036] Explanation of reference numerals in the attached figures:

[0037] 10. Lead screw motor; 101. Linear lead screw; 20. Linear track section; 201. Linear guide shaft; 202. Linear bearing; 30. Sliding assembly; 301. Clamping seat; 302. Instrument mounting handle; 40. Assembly seat; 401. First support plate; 402. Second support plate; 403. Deep groove ball bearing; 404. Motor mounting seat; 405. Motor mounting handle; 406. Suction cup; 50. Dial indicator. Detailed Implementation

[0038] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0039] This utility model provides a runout gauge for a lead screw motor 10, comprising: a mounting base 40, a linear track 20, a sliding assembly 30, and a dial indicator 50. The upper end of the mounting base 40 is provided with a mounting detection position for fixing the lead screw motor 10 and causing the linear lead screw 101 of the lead screw motor 10 to extend horizontally. The linear track 20 is fixedly mounted on the upper end of the mounting base 40, and the track of the linear track 20 is parallel to the linear lead screw 101. The sliding assembly 30 is slidably mounted on the linear track 20. The dial indicator 50 is fixedly mounted on the sliding assembly 30, and the detection end of the dial indicator 50 contacts the side of the linear lead screw 101 for detecting the runout amplitude of the linear lead screw 101.

[0040] like Figure 1 and Figure 2 As shown, specifically, the upper end of the mounting base 40 is provided with a vertical first support plate 401 and a second support plate 402. The first support plate 401 and the second support plate 402 are parallel to each other, and a detection space is formed between the first support plate 401 and the second support plate 402. The linear screw 101 of the screw motor 10 is located in the detection space. The two ends of the linear screw 101 are fixed to the first support plate 401 and the second support plate 402 respectively, and the linear screw 101 is perpendicular to the first support plate 401 and the second support plate 402 respectively. The linear track 20 is also fixed in the detection space of the mounting base 40. The track of the linear track 20 is parallel to the linear screw 101. The sliding component 30 slides along the linear track to drive the dial indicator 50 to move along the direction of the linear screw 101. The position of the dial indicator 50 can be changed by sliding the sliding component 30 to detect the runout amplitude of the linear screw 101 at different positions.

[0041] In one embodiment of this utility model, the linear track section 20 includes at least one linear guide shaft 201, which is arranged parallel to the linear lead screw 101.

[0042] Specifically, one end of the linear guide shaft 201 is fixed to the first support plate 401, and the other end is fixed to the second support plate 402. The linear guide shaft 201 is perpendicular to the first support plate 401 and the second support plate 402, and the sliding component 30 is slidably disposed on the linear guide shaft 201.

[0043] In one embodiment of this utility model, the linear track section 20 includes two linear guide shafts 201, which are respectively disposed on both sides of the linear lead screw 101.

[0044] Specifically, the sliding component 30 is provided with a sliding groove at the position corresponding to the two linear guide shafts 201. The sliding component 30 is fitted onto the linear guide shafts 201 through the sliding groove to form a sliding connection. By setting the two linear guide shafts 201 to cooperate with the sliding component 30, the sliding component 30 is made more stable during the sliding process, which improves the accuracy of equipment detection.

[0045] Preferably, the sliding component 30 includes a linear bearing 202; wherein the linear bearing 202 is sleeved on the linear guide shaft 201 to realize the movement of the sliding component 30 along the direction of the linear guide shaft 201, ensuring that the sliding component 30 moves linearly in the horizontal direction, and further improving the accuracy of equipment detection.

[0046] Preferably, the surface of the linear guide shaft 201 is chrome-plated to reduce wear between the linear bearing 202 and the linear guide shaft 201.

[0047] In one embodiment of this utility model, the sliding assembly 30 includes a clamping seat 301. The bottom of the clamping seat 301 is fixed to the outside of the linear bearing 202, and the upper end of the clamping seat 301 is provided with a clamping position for clamping and fixing the dial indicator 50.

[0048] Furthermore, the clamping position includes a clamping groove and an instrument mounting handle 302; the dial of the dial indicator 50 is located on the upper end face of the clamping seat 301, and the measuring end of the dial indicator 50 passes through the clamping groove and fits against the linear lead screw 101; the side of the clamping seat 301 is provided with a threaded hole connecting the clamping groove and the outside of the clamping seat 301, and the side surface of the instrument mounting handle 302 is provided with a corresponding thread, and the instrument mounting handle 302 passes through the threaded hole and cooperates with the dial indicator 50 to fix and adjust the dial indicator 50.

[0049] Specifically, it includes two instrument mounting handles 302. One side of the clamping groove is composed of a flexible clamping arm, which is used to clamp and fix the bottom of the dial indicator 50 onto the clamping seat 301. The side of the clamping arm is provided with a threaded hole, which corresponds to and cooperates with the instrument mounting handle 302. By rotating and adjusting the two instrument mounting handles 302, the tightness of the clamping arm can be adjusted to complete the fixing or adjustment of the dial indicator 50 before the runout amplitude of the linear lead screw 101 is detected.

[0050] Optionally, the instrument mounting handle 302 is a Torx bolt, and the depth of the bolt in the clamping groove can be adjusted by rotating the Torx bolt to fix or adjust the dial indicator 50.

[0051] In one embodiment of this utility model, the installation detection position includes a motor mounting base 404 and a lead screw mounting base; the lead screw mounting base includes a first support plate 401 and a second support plate 402; the first support plate 401 is vertically disposed on the side of the assembly base 40 near the motor mounting base 404, and a limiting space is formed between the first support plate 401 and the motor mounting base 404 for fixing the motor part of the lead screw motor 10; the second support plate 402 is vertically disposed on the side of the assembly base 40 away from the motor mounting base 404; wherein, the first support plate 401 is provided with a through hole for the linear lead screw 101 to pass through, and the second support plate 402 is provided with a limiting hole for limiting and fixing the end of the linear lead screw 101 away from the motor mounting base 404, so as to prevent the end of the linear lead screw 101 away from the motor mounting base 404 from shaking significantly when working.

[0052] Specifically, the side of the first support plate 401 away from the detection space is fitted to the drive side of the lead screw motor 10, and the thickness of the first support plate 401 is relatively thin so that all the rod parts of the linear lead screw 101 that need to be detected can be located within the detection space.

[0053] Optionally, the second support plate 402 can be moved horizontally along the direction of the linear lead screw 101 to meet the needs of more linear lead screws 101 of different lengths.

[0054] like Figure 3 As shown, preferably, the second support plate 402 includes a deep groove ball bearing 403; the outer ring of the deep groove ball bearing 403 is fixedly embedded in the limiting hole, and the inner ring of the deep groove ball bearing 403 is sleeved on the side of the linear lead screw 101 to avoid friction between the linear lead screw 101 and the limiting hole when rotating, thereby causing wear of the linear lead screw 101.

[0055] like Figure 4As shown, preferably, the motor mounting base 404 includes a motor mounting handle 405, which is used to fasten the lead screw motor 10. By rotating the motor mounting handle 405, the push plate on the motor mounting base 404 pushes the lead screw motor towards the first support plate 401, clamping it between the push plate and the first support plate 401. Alternatively, by rotating the motor mounting handle 405 in the opposite direction, the push plate on the motor mounting base 404 moves away from the first support plate 401, thereby adjusting the tightness of the lead screw motor 10 on the motor mounting base 404, which facilitates the assembly and disassembly of the lead screw motor 10.

[0056] like Figure 5 As shown, preferably, it includes multiple suction cups 406, which are disposed at the bottom of the assembly base 40. Specifically, at least one suction cup 406 is provided at each of the four corners of the bottom of the assembly base 40, so that the assembly base 40 can be more stably fixed to the worktable.

[0057] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A runout gauge for a motor lead screw, characterized in that, include: Assembly base (40), the upper end of the assembly base (40) is provided with an installation detection position, the installation detection position is used to fix the lead screw motor (10) and make the linear lead screw (101) of the lead screw motor (10) extend in the horizontal direction; Linear track section (20), the linear track section (20) is fixedly disposed on the upper end of the mounting base (40), and the track of the linear track section (20) is arranged parallel to the linear lead screw (101); A sliding component (30) is slidably disposed on the linear track portion (20); A dial indicator (50) is fixedly mounted on the sliding assembly (30), and the detection end of the dial indicator (50) contacts the side of the linear lead screw (101) to detect the runout amplitude of the linear lead screw (101).

2. The runout amplitude gauge according to claim 1, characterized in that, The linear track section (20) includes at least one linear guide shaft (201), which is arranged parallel to the linear lead screw (101).

3. The runout amplitude gauge according to claim 2, characterized in that, The linear track section (20) includes two linear guide shafts (201), which are respectively located on both sides of the linear lead screw (101).

4. The runout amplitude gauge according to claim 3, characterized in that, The sliding assembly (30) includes a linear bearing (202); The linear bearing (202) is sleeved on the linear guide shaft (201) to enable the sliding component (30) to move along the direction of the linear guide shaft (201).

5. The runout amplitude gauge according to claim 4, characterized in that, The sliding assembly (30) includes a clamping seat (301), the bottom of which is fixed to the outside of the linear bearing (202), and the upper end of the clamping seat (301) is provided with a clamping position for clamping and fixing the dial indicator (50).

6. The runout amplitude gauge according to claim 5, characterized in that, The clamping position includes a clamping groove and an instrument mounting handle (302); The dial of the dial indicator (50) is located on the upper surface of the clamping base (301), and the detection end of the dial indicator (50) passes through the clamping groove and is in contact with the linear lead screw (101). The clamping seat (301) has a threaded hole on its side, and the instrument mounting handle (302) has a corresponding thread on its side surface. The instrument mounting handle (302) passes through the threaded hole and cooperates with the dial indicator (50) to fix and adjust the dial indicator (50).

7. The runout amplitude gauge according to claim 1, characterized in that, The installation detection position includes a motor mounting bracket (404) and a lead screw mounting bracket; The lead screw mounting base includes a first support plate (401) and a second support plate (402). The first support plate (401) is vertically disposed on the side of the assembly base (40) near the motor mounting base (404), and a limiting space is formed between the first support plate (401) and the motor mounting base (404) for fixing the motor part of the lead screw motor (10); The second support plate (402) is vertically disposed on the side of the mounting base (40) away from the motor mounting base (404); The first support plate (401) has a through hole for the linear lead screw (101) to pass through, and the second support plate (402) has a limiting hole for fixing the end of the linear lead screw (101) away from the motor mounting base (404).

8. The runout amplitude gauge according to claim 7, characterized in that, The second support plate (402) includes a deep groove ball bearing (403); The outer ring of the deep groove ball bearing (403) is fixedly embedded in the limiting hole, and the inner ring of the deep groove ball bearing (403) is sleeved on the side of the linear lead screw (101).

9. The runout amplitude gauge according to claim 7, characterized in that, The motor mounting base (404) includes a motor mounting handle (405) for securing the lead screw motor (10).

10. The runout amplitude gauge according to claim 1, characterized in that, include: Multiple suction cups (406) are provided at the bottom of the mounting base (40) for fixing the mounting base (40) to the worktable.

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