CN214200942U

CN214200942U - Microcomputer control tensile testing machine

Info

Publication number: CN214200942U
Application number: CN202023087066.9U
Authority: CN
Inventors: 刘逢杰; 王磊; 郑波
Original assignee: Jinan Faren Test Instrument Co ltd
Current assignee: Jinan Faren Test Instrument Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-14
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a microcomputer control tensile testing machine, including host computer upper shield, photoelectric encoder and base, one side of host computer upper shield is equipped with stop device, protector is installed to one side of host computer upper shield, install the movable cross beam in the host computer upper shield, fixedly connected with sensor on the movable cross beam, the sensor lower extreme is equipped with clamping device, clamping device includes anchor clamps, splint and extrusion groove, be located clamping device under clamping device's the fixedly connected with on the base, the one end of base is equipped with step motor, be equipped with the hold-in range speed reducer in the host computer upper shield, it is vice to be equipped with ball on the hold-in range speed reducer. The utility model discloses when with the sample centre gripping on anchor clamps, the rotation through step motor drives the speed reducer in step for when the movable beam reciprocates, not only have more accurate speed governing scope and still increased the stability in the whole test process.

Description

Microcomputer control tensile testing machine

Technical Field

The utility model relates to a computer control tensile force technical field especially relates to a computer control tensile force testing machine.

Background

The tensile testing machine is a mechanical stress applying testing machine for testing mechanical properties such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment aiming at various materials.

The device is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, profiles, plastic films, rubber, wires and cables, steel, glass fiber and the like, is developed for the materials, and is indispensable detection equipment for physical property tests, teaching research, quality control and the like.

However, most of the conventional tensile testing machines cannot accurately control the speed regulation of the clamp and have a narrow speed regulation range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, current most traditional tensile testing machine can not do accurate control anchor clamps speed governing and the not wide problem of speed governing scope.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a microcomputer control tensile testing machine, includes host computer upper shield, photoelectric encoder and base, one side of host computer upper shield is equipped with stop device, protector is installed to one side of host computer upper shield, install the movable cross beam in the host computer upper shield, fixedly connected with sensor on the movable cross beam, the sensor lower extreme is equipped with clamping device, clamping device includes anchor clamps, splint and extrusion groove, be located clamping device under clamping device's the fixedly connected with on the base, the one end of base is equipped with step motor, be equipped with the hold-in range speed reducer in the host computer upper shield, it is vice to be equipped with ball on the hold-in range speed reducer.

Preferably, the limiting device comprises a limiting rod, an upper limiting adjusting stop, a lower limiting adjusting stop and a limiting switch, and the upper limiting adjusting stop is arranged below the limiting switch.

Preferably, the protection device comprises an upper protection cover and a lower protection cover, and the upper protection cover and the lower protection cover are separated by a movable beam.

Preferably, the upper clamp is made of aluminum, and the surface of the clamping plate, which is in contact with the extrusion groove, is made of rubber.

Preferably, the photoelectric encoder is connected to a ball screw pair, and the movable beam is fixedly connected to the ball screw pair.

Preferably, four foundation bolts are arranged on the base and are respectively installed below four corners of the base, and an emergency stop switch is further arranged on the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when a sample is clamped on the clamp, the speed reducer is synchronously driven through the rotation of the stepping motor, so that when the movable cross beam moves up and down, not only is a more accurate speed regulation range achieved, but also the stability in the whole test process is improved;

2. the sensor at the upper end of the upper clamping device or the photoelectric encoder connected to the ball screw pair can sensitively receive data information, so that the aim of accurate measurement is fulfilled;

3. the main machine of the device is of a single-column type landing structure, and the device is simple and easy to operate, the rigidity of the main machine frame is high, the precision is high, the service life is long, the used materials are free of pollution, the noise is low, and the efficiency is high.

Drawings

Fig. 1 is a schematic front structural view of a microcomputer controlled tensile testing machine provided by the present invention;

fig. 2 is a schematic side view of the microcomputer controlled tensile testing machine according to the present invention;

FIG. 3 is an enlarged view of C in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 1;

fig. 5 is an enlarged view of a in fig. 1.

In the figure: the automatic control device comprises a scram switch 1, a main engine upper cover 2, a lower limit adjusting stop 3, a lower protective cover 4, an upper protective cover 5, a limiting rod 6, an upper limit adjusting stop 7, a photoelectric encoder 8, a movement measuring device 9, a sensor 10, an upper clamp 11, a clamp plate 12, an extrusion groove 13, a base 14, a stepping motor 15, a ball screw pair 16, a synchronous belt speed reducer 17 and a limit switch 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-5, a microcomputer control tensile testing machine, including the host computer upper cover 2, the photoelectric encoder 8 and the base 14, characterized in that, one side of the host computer upper cover 2 is equipped with the stop device, the stop device includes the gag lever post 6, the upper limit adjusts the dog 7 and the lower limit adjusts the dog 3 and the limit switch 18, the upper limit adjusts the dog 7 to set up below the limit switch 18, one side of the host computer upper cover 2 installs the guard, the guard includes the upper shield 5, the lower shield 4, there is the movable beam 9 to separate between the upper shield 5 and the lower shield 4, install the movable beam 9 in the host computer upper cover 2, when the movable beam 9 moves up and down, control the upper limit to adjust the dog 7 and the position of the lower limit adjusts the dog 3 through adjusting the limit switch 18, make the movable beam 9 can let it move in the settlement scope in the course of moving, meanwhile, the upper protection cover 5 and the lower protection cover 4 are arranged above and below the movable cross beam 9, so that mechanical parts in the host machine can be protected from being damaged due to external factors.

Fixedly connected with sensor 10 on movable beam 9, sensor 10 lower extreme is equipped with clamping device, clamping device includes anchor clamps 11, splint 12 and extrusion groove 13, it is aluminium matter to go up anchor clamps 11 material, the surface of splint 12 and extrusion groove 13 contact is the rubber material, it guarantees its rigidity and intensity for aluminium to go up anchor clamps 11, and splint 12 and extrusion groove 13's surface is the rubber material firstly for the antiskid, guarantee the stability of style on anchor clamps, secondly because rubber is softer can not damage the sample because anchor clamps in the measurement process and cause the result inaccurate, go up clamping device upper end installation sensor 10 and make the in-process sensor 10 that the movable beam removed take place the deformation and measure.

The lower clamping device is fixedly connected to the base 14 under the upper clamping device, four anchor bolts are arranged on the base 14 and are respectively arranged below four corners of the base 14, the stability of a host machine is ensured in the operation process of the machine, the base 14 is also provided with an emergency stop switch 1, one end of the base 14 is provided with a stepping motor 15, a synchronous belt speed reducer 17 is arranged in an upper cover 2 of the host machine, a ball screw pair 16 photoelectric encoder 8 is arranged on the synchronous belt speed reducer 17 and is connected to the ball screw pair 16, a movable cross beam 9 is fixedly connected to the ball screw pair 16, when a test is started, the stepping motor 15 is started and drives the ball screw pair 16 through the synchronous belt speed reducer 17, the ball screw pair 16 drives the movable cross beam 9 to move up and down, the movable cross beam 9 can be more stable under the action of the speed reducer 17, the speed control is more accurate, and when an accident happens in the test process, the machine can also be timely turned off through the emergency stop switch 1 on the base 14, so that the safety is ensured.

The utility model discloses in, the user uses the device when, earlier fix sample one end in extrusion groove 13 through last 11 rotatory extrusion splint 12 of anchor clamps, the other end is fixed under on clamping device according to same mode, then ask start-up step motor 15 as required, and the regulation speed, it removes to drive ball screw pair 16 through hold-in range speed reducer 17 under step motor 15's drive, accomplish accurate speed control under combined action between them, thereby order about movable cross beam 9 who installs clamping device and reciprocate, accomplish the drawing of sample, the compression, multiple mechanical properties such as bending are experimental, thereby it takes place deformation record data at the removal in-process to go up sensor 10 of clamping device upper end, the photoelectric encoder 8 record measurement crossbeam displacement data of connection on ball screw pair 16, accomplish whole test process.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A microcomputer-controlled tensile testing machine, which comprises a main machine upper cover (2), a photoelectric encoder (8) and a base (14), it is characterized in that one side of the host machine upper cover (2) is provided with a limiting device, one side of the host machine upper cover (2) is provided with a protective device, a movable beam (9) is arranged in the main machine upper cover (2), a sensor (10) is fixedly connected to the movable beam (9), the lower end of the sensor (10) is provided with an upper clamping device, the clamping device comprises an upper clamp (11), a clamping plate (12) and an extrusion groove (13), a lower clamping device is fixedly connected on the base (14) under the upper clamping device, one end of the base (14) is provided with a stepping motor (15), a synchronous belt speed reducer (17) is arranged in the host upper cover (2), and a ball screw pair (16) is arranged on the synchronous belt speed reducer (17).

2. The microcomputer-controlled tensile testing machine according to claim 1, wherein the limiting device comprises a limiting rod (6), an upper limiting adjusting stop (7), a lower limiting adjusting stop (3) and a limiting switch (18), and the upper limiting adjusting stop (7) is arranged below the limiting switch (18).

3. The microcomputer-controlled tensile testing machine according to claim 1, wherein the protection device comprises an upper protection cover (5) and a lower protection cover (4), and the upper protection cover (5) and the lower protection cover (4) are separated by a movable beam (9).

4. The microcomputer-controlled tensile testing machine according to claim 1, wherein the upper clamp (11) is made of aluminum, and the surface of the clamping plate (12) contacting the extrusion groove (13) is made of rubber.

5. The microcomputer-controlled tensile testing machine according to claim 1, wherein the photoelectric encoder (8) is connected to the ball screw pair (16), and the movable beam (9) is fixedly connected to the ball screw pair (16).

6. The microcomputer-controlled tensile testing machine according to claim 1, wherein four anchor bolts are arranged on the base (14), the anchor bolts are respectively arranged below four corners of the base (14), and the base (14) is further provided with an emergency stop switch (1).