CN217276617U

CN217276617U - Lead screw torsion test machine

Info

Publication number: CN217276617U
Application number: CN202220995078.1U
Authority: CN
Inventors: 鲍颖; 张辉
Original assignee: Dongguan Yuanyi Automation Equipment Co ltd
Current assignee: Dongguan Yuanyi Automation Equipment Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-23
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a lead screw torsion testing machine, which comprises a testing support, wherein a slide rail is arranged on the testing support, a first torsion testing mechanism and a second torsion testing mechanism are respectively arranged on the slide rail in a sliding manner, and the second torsion testing mechanism is positioned at one side of the first torsion testing mechanism; one side of the sliding rail is provided with a first workpiece placing mechanism, the other side of the sliding rail is provided with a second workpiece placing mechanism, and the rear side of the sliding rail is provided with a control panel. The utility model discloses holistic structural design realizes carrying out automatic test to two work pieces simultaneously, makes it have the efficiency of software testing height, the measuring accuracy is high, the test effect is good, convenient to use and practicality are strong advantage to solved the tradition effectively and adopted the method of artifical handheld torque tester to come to carry out the torsion test to the platform foot riser and lead to it to have work efficiency low, the measuring accuracy is low, the test effect is poor, the erroneous judgement rate is high, workman's intensity of labour is big and the problem that the labour cost of enterprise is high.

Description

Lead screw torsion test machine

Technical Field

The utility model relates to a lead screw torsion test machine.

Background

The traditional test of the lifting torque force of the table foot lifter is generally implemented manually, and the specific operation method comprises the following steps: the manual hand-held torque tester aims at the platform leg lifter to carry out torque force test, and the operation mode has large error in the torque force lifting test of the platform leg lifter, so that the phenomenon that qualified products are regarded as unqualified products or unqualified products are regarded as qualified products often occurs.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a lead screw torsion test machine, its holistic structural design realizes carrying out automatic test to two work pieces simultaneously, and its testing process to the work piece need not artifical participation operation, it not only has the efficiency of software testing height, the measuring accuracy is high, the test effect is good, convenient to use and advantage that the practicality is strong, it can also reduce workman's intensity of labour and reduce the labour cost of enterprise, and solved the tradition effectively and adopted the method of artifical handheld torsion tester to come to carry out torsion test to the platform foot riser and lead to it to have work efficiency low, the measuring accuracy is low, the test effect is poor, the misjudgment rate is high, workman's intensity of labour is big and the high problem of the labour cost of enterprise. The utility model discloses a realize through following technical scheme:

a lead screw torsion testing machine comprises a testing support, wherein a slide rail is arranged on the testing support, a first torsion testing mechanism and a second torsion testing mechanism are respectively arranged on the slide rail in a sliding manner, and the second torsion testing mechanism is positioned on one side of the first torsion testing mechanism; one side of the sliding rail is provided with a first workpiece placing mechanism, the other side of the sliding rail is provided with a second workpiece placing mechanism, and the rear side of the sliding rail is provided with a control panel. A test rack is a functional description of a rack, which is essentially a rack.

When the technical scheme is adopted, the first workpiece placing mechanism and the second workpiece placing mechanism are respectively arranged on the left side and the right side of the sliding rail, workpieces to be tested can be simultaneously and respectively placed on the first workpiece placing mechanism and the second workpiece placing mechanism, and the workpieces placed on the first workpiece placing mechanism and the second workpiece placing mechanism are respectively fastened by the first workpiece placing mechanism and the second workpiece placing mechanism, so that the workpieces are prevented from moving in the testing process, and the good testing effect and the high testing precision of the workpieces are ensured; and the double-station design enables the test device to test two workpieces simultaneously, thereby improving the working efficiency of the test device. In addition, the first torsion testing mechanism and the second torsion testing mechanism can move transversely through the sliding rail, so that the torsion testing mechanism is suitable for testing workpieces of different specifications, and the purpose of strong universality is achieved.

Preferably, the first torsion testing mechanism and the second torsion testing mechanism respectively comprise a sliding block which slides on the sliding rail, a support is fixedly mounted on the sliding block, a servo motor is mounted on the support, an output shaft of the servo motor is connected with a torque sensor, a driving shaft is arranged on one side of the servo motor, one end of the driving shaft is connected with the torque sensor, and a first conical wheel is mounted on the other end of the driving shaft.

When the technical scheme is adopted, the first conical wheel can be driven to rotate through the driving shaft when the servo motor is started, the torque sensor can automatically detect the torque of the driving shaft and the torque of the first conical wheel, and detected information is fed back to the servo motor. The specific structure and operation principle of the torque sensor are well known and will not be explained in detail herein, and the torque sensor may be, but is not limited to, a german type FC-S2000 torque sensor.

Preferably, the first workpiece placing mechanism and the second workpiece placing mechanism respectively comprise a reference bottom plate, a push-pull type rapid clamp is arranged on the front side of the reference bottom plate, a reference plate frame is arranged on the rear side of the reference bottom plate, and a workpiece to be tested for torsion is placed on the reference bottom plate.

When the technical scheme is adopted, after a workpiece is placed on the reference bottom plate, the workpiece can be tightly propped against the front side of the reference plate frame when the push-pull type quick clamp is pushed upwards or forwards; when the push-pull type quick clamp is pulled downwards or backwards, the pushing of the workpiece can be released, so that the workpiece can be conveniently taken down from the upper surface of the reference bottom plate and the next workpiece can be conveniently loaded.

Preferably, the push-pull type quick clamp is also called a tool clamp, and the push-pull type quick clamp with the model number GH-305-HM can be adopted but is not limited.

Preferably, the push-pull type rapid clamp is provided with a push block at one end close to the workpiece, and one side of the push block close to the push-pull type rapid clamp is provided with a mounting hole used for being connected with the push-pull type rapid clamp. The top block is arranged to be a cylindrical structural member.

When the technical scheme is adopted, the ejector block is connected and assembled with the extending end of the push-pull type quick clamp through the mounting hole, the ejector block can be driven to extend out along with the push-pull type quick clamp when the push-pull type quick clamp extends out, and a workpiece placed on the reference bottom plate can be tightly ejected between the ejector block and the reference plate frame when the ejector block extends out, so that the workpiece can be fixed and limited.

Preferably, a nut supporting seat is fixedly installed in the workpiece, a screw rod penetrates through the center of the nut supporting seat, a second conical wheel is arranged at the lower end of the screw rod, and the second conical wheel and the first conical wheel perform meshing movement. The screw may be a ball screw, but is not limited thereto.

When the technical scheme is adopted, the second conical wheel is in meshed motion with the first conical wheel, the first conical wheel can be driven to rotate along with the driving shaft under the driving of the servo motor connected with the driving shaft, and the screw rod arranged in the workpiece can be driven to rotate along with the first conical wheel when the second conical wheel rotates, so that the torque of the screw rod can be tested.

Preferably, the servo motor is internally provided with a controller which is respectively in signal connection with the torque sensor and the control panel, the controller is a programmable logic controller, the programmable logic controller is a PLC controller, and the PLC controller can adopt but is not limited to a PLC controller with the goods number of 6ES7315-2EH14-0AB 0. An alarm is also arranged and connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the top surface of the test support is provided with the slide rail, the left side and the right side of the slide rail are respectively provided with the first workpiece placing mechanism and the second workpiece placing mechanism, so that workpieces can be simultaneously placed through the first workpiece placing mechanism and the second workpiece placing mechanism, each workpiece placing mechanism can push the workpieces to one side of the reference plate frame to be fixed through the push-pull type rapid clamp, the workpieces can be fixed and limited, and subsequent test accuracy of the workpieces is high.

2. When a servo motor in the first torsion testing mechanism rotates, the screw rod in the workpiece can be driven to rotate by the torque sensor, the driving shaft, the first conical wheel and the second conical wheel in sequence, so that the screw rod in the workpiece can be tested by the first torsion testing mechanism to determine whether the torque of the screw rod in the workpiece is within the range value of qualified product parameters; after the workpiece is tested, when the two torsion testing mechanisms move in opposite directions, the first conical wheel can be withdrawn from the workpiece on one side of the first conical wheel, so that the first conical wheel is separated from the second conical wheel in the workpiece, and the good testing effect and high testing precision of the workpiece are ensured; the double-station torsion testing mechanism can be used for testing two workpieces simultaneously, so that the working efficiency is greatly improved, and the testing process does not need manual operation, thereby reducing the labor intensity of workers and the labor cost of enterprises, and being more convenient and rapid to use and high in practicability.

3. The automatic double-workpiece synchronous testing device can automatically and synchronously test double workpieces, and solves the problems of low working efficiency, low testing precision, poor testing effect, high misjudgment rate, high labor intensity of workers and high labor cost of enterprises caused by the traditional manual testing.

Drawings

For the purpose of illustration, the invention is described in detail with reference to the following preferred embodiments and the accompanying drawings.

Fig. 1 is a perspective view of the screw torque force testing machine of the present invention.

Fig. 2 is a perspective view of the first torsion testing mechanism or the second torsion testing mechanism in the lead screw torsion testing machine of the present invention.

Fig. 3 is a perspective view of the first workpiece placing mechanism or the second workpiece placing mechanism in the lead screw torque testing machine of the present invention.

Fig. 4 is an internal schematic view of the driving shaft of the first torsion testing mechanism or the second torsion testing mechanism in the screw torsion testing machine of the present invention engaged and connected with the screw rod inside the workpiece through the first cone pulley.

Fig. 5 is an enlarged perspective view of the push-pull type rapid clamp in the screw torque force testing machine of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In this embodiment, referring to fig. 1 to 5, the screw torsion testing machine of the present invention includes a testing support 1, a sliding rail 2 is disposed on the testing support 1, a first torsion testing mechanism 31 and a second torsion testing mechanism 32 are respectively disposed on the sliding rail 2 in a sliding manner, and the second torsion testing mechanism 32 is located on one side of the first torsion testing mechanism 31; a first workpiece placing mechanism 41 is arranged on one side of the slide rail 2, a second workpiece placing mechanism 42 is arranged on the other side of the slide rail 2, and a control panel 5 is arranged on the rear side of the slide rail 2.

In one embodiment, the first torsion testing mechanism 31 and the second torsion testing mechanism 32 respectively include a sliding block 33 sliding on the upper surface of the sliding rail 2, a support 34 is fixedly mounted on the upper surface of the sliding block 33, a servo motor 35 is mounted on the upper surface of the support 34, an output shaft of the servo motor 35 is connected with a torque sensor, a driving shaft 36 is arranged on one side of the servo motor 35, one end of the driving shaft 36 is connected with the torque sensor, and a first conical wheel 37 is mounted on the other end of the driving shaft 36.

In one embodiment, the first workpiece placing mechanism 41 and the second workpiece placing mechanism 42 respectively comprise a reference bottom plate 43, a push-pull type quick clamp 44 is arranged on the front side of the reference bottom plate 43, a reference plate frame 45 is arranged on the rear side of the reference bottom plate 43, and the workpiece 6 to be tested for torsion is placed on the reference bottom plate 43.

In one embodiment, an ejector block 47 is installed at one end, close to the workpiece 6, of the push-pull type rapid clamp 44, the ejector block 47 is arranged in a cylindrical shape, and a mounting hole 48 used for being connected with the push-pull type rapid clamp 44 is formed in one side, close to the push-pull type rapid clamp 44, of the ejector block 47.

In one embodiment, a nut support is mounted in the workpiece 6, a screw rod 61 is arranged through the center of the nut support, and a second cone wheel 62 is arranged at the lower end of the screw rod 61.

In one embodiment, the screw torsion testing machine has the structural design principle that: a first workpiece placing mechanism 41 and a second workpiece placing mechanism 42 are respectively arranged on the left end and the right end of a test support 1, so that two workpieces 6 (platform foot lifters) can be simultaneously loaded through the first workpiece placing mechanism 41 and the second workpiece placing mechanism 42; the first torsion testing mechanism 31 and the second torsion testing mechanism 32 are respectively arranged on the sliding rail 2, the first torsion testing mechanism 31 is positioned on one side of the first workpiece placing mechanism 41, and the second torsion testing mechanism 32 is positioned on one side of the second workpiece placing mechanism 42, so that the torsion testing of two workpieces 6 can be simultaneously carried out, and the working efficiency of the torsion testing machine can be greatly improved; before production, a worker can input various parameters for controlling the operation of each part and a torque value range f of the screw rod 61 of the preset qualified workpiece 6 within a certain time t to the controller through the control panel 5 according to the test requirement. When a workpiece 6 to be tested is placed on the reference bottom plate 43 in each workpiece placement mechanism, the push-pull type rapid clamp 44 is pushed towards the workpiece 6, so that the push-pull type rapid clamp 44 can push the workpiece 6 towards the reference plate rack 45 through the top block 47, and the workpiece 6 is clamped between the top block 47 and the reference plate rack 45; because one side of each workpiece 6 facing each torque force testing mechanism is provided with a testing hole for the first conical wheel 37 or the second conical wheel 62 to extend into the workpiece 6, when the first torque force testing mechanism 31 and the second torque force testing mechanism 32 respectively move towards the direction of the workpiece 6 on one side thereof through the slide rail 2, the first conical wheel 37 in each torque force testing mechanism can extend into the workpiece 6 through the testing hole and is in meshed connection with the second conical wheel 62 in each workpiece 6, at this time, when the servo motor 35 in each torque force testing mechanism is started, the driving shaft 36 can be driven to rotate through the torque sensor, and the driving shaft 36 can drive the first conical wheel 37 to rotate when rotating, the rotating first conical wheel 37 can drive the second conical wheel 62 to rotate, because the second conical wheel 62 is installed at the lower end of the screw rod 61, the screw rod 61 can be driven to rotate along with the second conical wheel 62 when rotating, the torque sensor can sense the torque information of the screw rod 61 in the workpiece 6 in real time and automatically feed back the sensed torque information to the controller in the servo motor 35, and the controller can automatically compare the torque information with a preset torque value range f after receiving the information transmitted by the torque sensor; when the torque sensor senses that the torque value of the screw rod 61 in the workpiece 6 in the time t is within the preset value range f, judging the workpiece 6 as a qualified product; when the torque value of the screw rod 61 in the workpiece 6 in the time t exceeds the preset value range f, the workpiece 6 is judged to be an unqualified product. After the workpiece 6 is tested, the first torsion testing mechanism 31 and the second torsion testing mechanism 32 can withdraw from the workpiece 6 when moving oppositely on the slide rail 2, so that the first cone wheel 37 in each torsion testing mechanism can be separated from the second cone wheel 62 in the workpiece on one side, and meanwhile, the push-pull type quick clamp 44 is pulled back to one side far away from the workpiece 6, so that the push-pull type quick clamp 44 is reset to loosen the pushing of the workpiece 6, and the tested workpiece 6 is convenient to take away. The overall structural design of the device can automatically test two workpieces 6 simultaneously, and the device does not need manual operation in the test process of the workpieces 6, so that the device has the advantages of high test efficiency, high test precision, good test effect, convenience in use and strong practicability, can reduce the labor intensity of workers and the labor cost of enterprises, and effectively solves the problems that the traditional method of manually holding the torque tester to test the torsion of the platform leg lifter has low working efficiency, low test precision, poor test effect, high misjudgment rate, high labor intensity of workers and high labor cost of enterprises.

The above-mentioned embodiments are merely examples of the present invention, and are not intended to limit the scope of the invention, which is defined by the claims and the equivalents of the principles and basic structures of the invention.

Claims

1. The utility model provides a lead screw torsion test machine which characterized in that: the testing device comprises a testing support, wherein a sliding rail is arranged on the testing support, a first torsion testing mechanism and a second torsion testing mechanism are respectively arranged on the sliding rail in a sliding manner, and the second torsion testing mechanism is positioned on one side of the first torsion testing mechanism; one side of the sliding rail is provided with a first workpiece placing mechanism, the other side of the sliding rail is provided with a second workpiece placing mechanism, and the rear side of the sliding rail is provided with a control panel.

2. The lead screw torsion testing machine of claim 1, wherein: the first torsion testing mechanism and the second torsion testing mechanism respectively comprise sliding blocks which slide on the sliding rails, a support is fixedly mounted on the sliding blocks, a servo motor is mounted on the support, an output shaft of the servo motor is connected with a torque sensor, a driving shaft is arranged on one side of the servo motor, one end of the driving shaft is connected with the torque sensor, and a first conical wheel is mounted at the other end of the driving shaft.

3. The lead screw torsion testing machine of claim 1, wherein: the first workpiece placing mechanism and the second workpiece placing mechanism respectively comprise a reference bottom plate, a push-pull type quick clamp is arranged on the front side of the reference bottom plate, a reference plate frame is arranged on the rear side of the reference bottom plate, and a workpiece to be tested for torsion is placed on the reference bottom plate.

4. The lead screw torque testing machine of claim 3, wherein: the ejector block is installed to the one end that plug-type rapid fixture is close to the work piece, and the ejector block is cylindrical setting, and the mounting hole that is used for being connected the installation with plug-type rapid fixture is offered to one side that the ejector block is close to plug-type rapid fixture.

5. The lead screw torque testing machine of claim 3, wherein: a nut supporting seat is installed in the workpiece, a screw rod penetrates through the center of the nut supporting seat, and a second conical wheel is arranged at the lower end of the screw rod.