Lead screw bending degree testing device

Abstract

The utility model discloses a lead screw bending degree testing device which comprises a base, a rotating motor arranged on the base, a chuck arranged on an output shaft of the rotating motor, a control system and a plurality of supporting columns arranged on the base, a mounting plate arranged on the tops of the supporting columns, a mounting sleeve arranged in the middle of the mounting plate, and a through hole formed in the bottom of the mounting sleeve. A strip-shaped groove is formed in the side face of the mounting sleeve, a sliding rail is arranged on the side of the strip-shaped hole in parallel, a sliding block is arranged on the sliding rail, a locking nut and a propelling cylinder are arranged on the sliding block, the end of a piston rod of the propelling cylinder extends into the mounting sleeve from the strip-shaped groove, a tester is arranged, and the tester and the rotating motor are both electrically connected with a control system. A pair of clamping mechanisms is arranged on the left side and the right side of the mounting plate. The lead screw is fixedly fixed through the chuck and the clamping mechanism, then the chuck is driven by the rotating motor to rotate, so that the lead screw is rotated, the detector is close to the surface of the lead screw, the bending degree of the lead screw is tested, and the accuracy is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a screw rod technical field, concretely relates to a screw rod bending degree testing device. BACKGROUND

[0002] The screw rod is an important component of the electric cylinder, and the bending degree of the screw rod will affect the quality of the electric cylinder, therefore, the bending degree of the screw rod needs to be tested. However, at present, a handheld detector is generally used for measurement, and the accuracy is low due to manual measurement. CONTENT

[0003] The utility model discloses a screw rod bending degree testing device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a screw rod bending degree testing device, which comprises a base, and the innovation point lies in that a rotary motor is arranged on the base, a chuck is arranged on the output shaft of the rotary motor, a control system and a plurality of supporting columns are further arranged on the base, an installation plate is arranged at the top of the supporting column, an installation sleeve is arranged in the middle of the installation plate, a through hole is formed in the bottom of the installation sleeve, the through hole is located directly above the chuck, a strip-shaped groove is formed in the side surface of the installation sleeve, a slide rail is arranged in parallel on the side of the strip-shaped groove, a sliding block is arranged on the slide rail, a locking nut and a push cylinder are arranged on the sliding block respectively, the piston rod end of the push cylinder extends into the installation sleeve from the strip-shaped groove, and a tester is arranged, the tester and the rotary motor are electrically connected with the control system, and a pair of clamping mechanisms are arranged on the left and right sides of the installation plate.

[0005] Further, the control system is a man-machine interface.

[0006] Further, the clamping mechanism comprises a clamping cylinder, the piston rod end of the clamping cylinder is provided with an arc-shaped clamping plate, and the inner wall of the clamping plate is provided with a rectangular array of ball bearings.

[0007] Further, the clamping mechanism operates synchronously.

[0008] After the above structure is adopted, the utility model has the beneficial effects that:

[0009] The utility model discloses a screw rod bending degree testing device. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 The utility model discloses a screw rod bending degree testing device.

[0011] Reference numerals:

[0012] 1 base, 2 rotary motor, 3 chuck, 4 control system, 5 support column, 6 mounting plate, 7 mounting sleeve, 8 through hole, 9 strip-shaped slot, 10 sliding rail, 11 sliding block, 12 locking nut, 13 push cylinder, 14 tester, 15 clamping mechanism, 151 clamping cylinder, 152 clamping plate. DETAILED DESCRIPTION

[0013] The utility model will be further explained in connection with the drawings.

[0014] In order to make the utility model purposes, technical scheme and advantages more clearly, the utility model is further explained in detail below in connection with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0015] Reference Figure 1 A lead screw bending degree testing device, including base 1, base 1 is provided with rotary motor 2, the output shaft of rotary motor 2 is provided with chuck 3, base 1 is also provided with control system 4 and multiple support columns 5, the top of support column 5 is provided with mounting plate 6, the middle of mounting plate 6 is provided with mounting sleeve 7, the bottom of mounting sleeve 7 is provided with through hole 8, through hole 8 is located directly above chuck 3, the side of mounting sleeve 7 is provided with strip-shaped slot 9, sliding rail 10 is provided in parallel with the side of strip-shaped slot 9, sliding block 11 is provided on sliding rail, locking nut 12 and push cylinder 13 are respectively provided on sliding block 11, the piston rod end of push cylinder 13 extends into mounting sleeve from strip-shaped slot 9, and tester 14 is provided, tester 14 and rotary motor 2 are electrically connected with control system 4, and a pair of clamping mechanisms 15 are provided on the left and right sides of mounting plate 6. Specifically, the lead screw is placed into mounting sleeve 7, and the lower end of the lead screw is fixedly connected with the chuck by penetrating through hole 8, and the upper end of the lead screw is clamped by clamping mechanism 15, tester 14 is moved up and down by sliding rail 10 and sliding block 11, the appropriate part is measured by rotating, and then push cylinder 13 is controlled by control system 4, so that tester 14 is close to the surface of the lead screw, and then rotary motor 2 is started to drive chuck 3 to rotate, so that the bending degree of the lead screw is measured, and the method is more accurate and convenient. Push cylinder 13 is an electric cylinder, which is convenient for the setting and control of control system 4. Tester 14 moves up and down by sliding rail 10 and sliding block 11, so that multiple measurements can be realized, thereby improving the accuracy of measurement. Tester 14 is an electronic tester, which can be electrically connected with control system 4, so that data can be read conveniently.

[0016] In the embodiment, control system 4 is a man-machine interface. The man-machine interface is used to control rotary motor, tester 14 and push cylinder 13, and display measurement results.

[0017] In the embodiment, the clamping mechanism 15 comprises a clamping cylinder 151, and an arc-shaped clamping plate 152 is arranged at the end of the piston rod of the clamping cylinder 151, and a plurality of balls (not shown in the figure) are arranged in the inner wall of the clamping plate 152 in a rectangular array. The clamping plate 152 clamps the outer part of the lead screw under the action of the clamping cylinder 151, and the balls assist the rotation of the lead screw.

[0018] In the embodiment, the clamping mechanism 15 synchronously operates, thereby ensuring the stability of clamping.

[0019] The above description is only used to illustrate the technical scheme of the utility model and is not limited, and other modifications or equivalent replacements of the technical scheme of the utility model made by those skilled in the art should be covered in the scope of the claims of the utility model.

Claims

1. A lead screw bending test device, comprising a base, characterized in that: A rotary motor is mounted on the base, and a chuck is mounted on the output shaft of the rotary motor. A control system and multiple support columns are also mounted on the base. A mounting plate is mounted on the top of each support column, and a mounting sleeve is mounted in the middle of the mounting plate. A through hole is formed at the bottom of the mounting sleeve, directly above the chuck. A strip-shaped groove is formed on the side of the mounting sleeve, and a slide rail is arranged parallel to the side of the strip-shaped groove. A slider is mounted on the slide rail, and a locking nut and a push cylinder are respectively mounted on the slider. The piston rod end of the push cylinder extends from the strip-shaped groove into the mounting sleeve, and a testing instrument is mounted thereon. Both the testing instrument and the rotary motor are electrically connected to the control system. A pair of clamping mechanisms are provided on the left and right sides of the mounting plate.

2. The lead screw bending degree testing device according to claim 1, characterized in that: The control system is a human-computer interaction interface.

3. The lead screw bending degree testing device according to claim 1, characterized in that: The clamping mechanism includes a clamping cylinder, and the piston rod end of the clamping cylinder is provided with an arc-shaped clamping plate, and the inner wall of the clamping plate is provided with a rectangular array of balls.

4. A lead screw bending degree testing device according to claim 1 or 3, characterized in that: The clamping mechanism operates synchronously.

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