CN219348439U

CN219348439U - Automatic positioning rebound device for material test

Info

Publication number: CN219348439U
Application number: CN202320325845.2U
Authority: CN
Inventors: 钟国林; 陈冲; 王雪羽; 赵炳锦
Original assignee: Sichuan Hongyi Composite Material Engineering Technology Co ltd
Current assignee: Sichuan Hongyi Composite Material Engineering Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-14
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses an automatic positioning rebound device for material test, which comprises two transverse clamping plates, wherein the two transverse clamping plates are oppositely arranged on a lifting plate and keep linear sliding; the two longitudinal clamping plates are oppositely arranged on the lifting plate and connected with the transverse clamping plates to form a frame body and drive the transverse clamping plates to clamp and loosen; and the two driving parts are arranged at the outer ends of the lifting plates and used for driving the longitudinal clamping plates to move so as to deform and further drive the clamping and the loosening of the transverse clamping plates. This automatic location resilient means is used for carrying out quick location to test material, drives vertical splint through the driving piece and takes place deformation and carry out longitudinal direction's location to test material, and the horizontal splint that drive both ends are connected after the vertical splint takes place deformation simultaneously remove and press from both sides tightly, realizes carrying out the location of horizontal direction to test material, makes things convenient for the quick central location of test material.

Description

Automatic positioning rebound device for material test

Technical Field

The utility model relates to the technical field of material test equipment, in particular to an automatic positioning rebound device for material test.

Background

The universal testing machine is suitable for testing mechanical properties such as stretching, compression and the like of materials such as metal, rubber, plastic, composite materials, fibers, wires and cables, paper, adhesive tapes and the like, and automatically solving parameters such as tensile strength, yield strength, elongation and the like of a testing structure according to GB, JIS, ASTM, DIN and other standards.

When the universal testing machine performs tensile test on a workpiece, the clamp is firstly required to be installed on the universal testing machine body, and then the workpiece is placed on the clamp to perform tensile test on the workpiece, but the clamp of the conventional universal testing machine can normally perform positioning in one direction on the workpiece, is not suitable for rapid center positioning, requires manual measurement and moving alignment, and is complex in operation and long in detection period. The center positioning is not accurate enough, the detection precision is affected, and when the traditional universal testing machine clamps test materials, the following problems exist:

1. the test sample piece is required to move to the center position of the lower support steel plate, and the manual measurement and the control of the moving alignment are difficult.

2. The conditions of large manual measurement error, slow speed and the like exist on site, the detection precision is affected, and the detection period is long.

3. In the past, manual measurement is adopted to move and align, and the central position deviation causes fluctuation of detection data due to individual operation difference.

4. The traditional detection and positioning efficiency is lower, and the detection cost and the maintenance cost are increased.

Disclosure of Invention

Therefore, in order to solve the above-mentioned shortcomings, the utility model provides an automatic positioning rebound device for a material test, the positioning device drives a longitudinal clamping plate to deform through a driving piece, so as to position a test sample longitudinally, and in the process of deforming the longitudinal clamping plate, the transverse clamping plates on two sides are driven to retract towards the inner ends to form transverse clamping, so that the center positioning of the test sample is realized.

The utility model is realized by constructing an automatic positioning rebound device for material test, which comprises two transverse clamping plates, two longitudinal clamping plates and two driving pieces, wherein the two transverse clamping plates are oppositely arranged on a lifting plate and keep linear sliding; the two longitudinal clamping plates are oppositely arranged on the lifting plate and connected with the transverse clamping plates to form a frame body, and the transverse clamping plates are driven to clamp and loosen; the two driving parts are arranged at the outer ends of the lifting plates and used for driving the longitudinal clamping plates to move so as to deform and further drive the clamping and the loosening of the transverse clamping plates.

Further, the lifting plate is arranged on the base body and keeps lifting through the lifting piece arranged in the base body, two mutually parallel sliding rails are further arranged on the lifting plate, and the transverse clamping plate is arranged on the lifting plate and provided with sliding grooves matched with the sliding rails.

The slide rail is arranged in a dovetail shape, so that the transverse clamping plate can be prevented from deflecting when sliding linearly.

Further, first brackets are arranged on two opposite sides of the outer end of the lifting plate, connecting rods are arranged on the outer side faces of the first brackets and the transverse clamping plates, and the connecting rods are telescopic rods and elastic pieces connected to the first brackets and the transverse clamping plates are arranged at the outer ends of the connecting rods.

The elastic piece is arranged to facilitate pushing the transverse clamping plate to clamp the test sample piece, so that the clamping force is improved.

Further, second brackets are arranged on the other two sides of the outer side face of the lifting plate, driving pieces are arranged on the second brackets, and one ends of the driving pieces are connected with the outer center of the longitudinal clamping plate.

The device is convenient for pushing the longitudinal clamping plate, so that the longitudinal clamping plate is deformed to drive the transverse clamping plate to move, and further, the center positioning of the test sample piece is realized.

Further, the longitudinal clamping plates are elastic plates, and two ends of the longitudinal clamping plates are movably connected with the transverse clamping plates.

Further, both ends of the longitudinal clamping plate are hinged with both ends of the transverse clamping plate.

The purpose of this arrangement is to move the transverse splint by deformation of the longitudinal splint, facilitating centering of the test specimen.

Further, an adjusting push plate is detachably arranged on the inner end of the transverse clamping plate.

The distance between the two transverse clamping plates is adjusted by arranging the adjusting push plate, so that the center positioning of test sample pieces with different sizes is facilitated.

The utility model has the following beneficial effects:

1. the operation is simple and convenient, the center positioning is accurate, and the detection precision is improved.

2. Accurate movement alignment, high efficiency and shortened detection period.

3. The operations of different personnel control the center positioning accuracy to be consistent, and the fluctuation of detection data caused by the center position deviation is reduced.

4. The detection and positioning efficiency is improved, the utilization rate of the detection equipment is improved, and the detection cost and the maintenance cost are further reduced.

5. The structure is safe and reliable, the maintenance is simple, other power devices are not needed, the operability is strong, and the input-output ratio is high.

6. The device is provided with an elastic longitudinal clamping plate, and the longitudinal clamping plate is tightly attached to two sides of a test sample piece during pushing, so that a longitudinal center positioning effect is achieved.

7. The transverse clamping plates in the device are driven by the longitudinal clamping plates to move symmetrically on the upper parts of the sliding rails, so that the transverse center positioning function is achieved.

8. The driving piece can adjust the position of the longitudinal clamping plate, so that the longitudinal clamping plate is tightly attached to two sides of the test sample piece.

9. The adjustable push plate can position the test sample piece that the size is smaller and increase the suitability of this device.

10. The transverse movement of the transverse clamping plate can be ensured through the sliding rail.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a state diagram (omitting a workpiece) of the present utility model when clamping the workpiece;

FIG. 6 is a schematic illustration of the connection of the transverse splint and the longitudinal splint of FIG. 5;

FIG. 7 is a schematic view of the connection of the longitudinal clamping plate to the driving member in the present utility model;

in the figure: 1. a base; 2. a lifting plate; 3. a slide rail; 4. a transverse splint; 5. a longitudinal clamping plate; 6. adjusting the push plate; 7. a first bracket; 8. a connecting rod; 9. an elastic member; 10. a second bracket; 11. a driving member; 12. and a jacking piece.

Detailed Description

The present utility model will be described in detail with reference to fig. 1 to 7, in order to solve the problem that the conventional universal testing machine fixture cannot center the test sample and affects the detection accuracy.

The utility model provides an automatic positioning rebound device for material testing by improving the device, which can be implemented in the following way: an automatic positioning rebound device for material test comprises two transverse clamping plates 4, two longitudinal clamping plates 5 and two driving pieces 11, wherein the two transverse clamping plates 4 are oppositely arranged on a lifting plate 2 and keep linear sliding; the two longitudinal clamping plates 5 are oppositely arranged on the lifting plate 2 and connected with the transverse clamping plates 4 to form a frame body, and drive the transverse clamping plates 4 to clamp and loosen; the two driving parts 11 are arranged at the outer ends of the lifting plates 2 and are used for driving the longitudinal clamping plates 5 to move so as to deform, and further driving the transverse clamping plates 4 to clamp and loosen.

In this embodiment, the lifting plate 2 is disposed on the base 1 and is kept lifted by a lifting member 12 disposed in the base 1, two parallel sliding rails 3 are further disposed on the lifting plate 2, and the transverse clamping plate 4 is disposed on the lifting plate 2 and is provided with sliding grooves matched with the sliding rails 3.

The jacking piece 12 can be a vertically arranged cylinder, and the lifting plate 2 is driven to ascend or descend in a horizontal state through the extension of the cylinder, so that the test sample can be conveniently taken and placed.

The slide rail 3 is provided in a dovetail shape, and can prevent the lateral clamping plate from deflecting when sliding linearly.

In this embodiment, first brackets 7 are provided on opposite sides of the outer end of the lifting plate 2, connecting rods 8 are provided on the outer sides of the first brackets 7 and the lateral clamping plates 4, the connecting rods 8 are telescopic rods, and elastic members 9 (which are springs sleeved on the outer ends of the telescopic rods) connected to the first brackets 7 and the lateral clamping plates 4 are provided on the outer ends.

The elastic piece 9 is arranged to facilitate pushing the transverse clamping plate 4 to clamp the test sample, so that the clamping force is improved.

In this embodiment, the second brackets 10 are disposed on the other two sides of the outer side surface of the lifting plate 2, and a driving member 11 is disposed on the second brackets 10, and one end of the driving member 11 is connected to the outer center portion of the longitudinal clamping plate 5.

As shown in fig. 7, the end of the driving member 11 is in a T-shaped head structure, and is inserted into the T-shaped hole of the longitudinal clamping plate 5 to be connected.

In this embodiment, the longitudinal clamping plates 5 are elastic plates, and two ends of the longitudinal clamping plates 5 are movably connected with the transverse clamping plates 4.

The driving member 11 may be a linear reciprocating mechanism, such as a cylinder, an electronic push rod, a screw rod, etc., and the two driving members 11 may be operated simultaneously when kept in operation, and when the driving member 11 is a screw rod, the screw rod is in threaded connection with the second bracket 10.

In this embodiment, the thickness of the longitudinal clamping plate 5 is less than half of the thickness of the transverse clamping plate 4, so that the longitudinal clamping plate can be conveniently deformed to drive the transverse clamping plate 4 to move.

In this embodiment, both ends of the longitudinal clamping plate 5 are kept hinged to both ends of the transverse clamping plate 4 (as can be seen from fig. 6, the longitudinal clamping plate 5 is inserted into the transverse clamping plate 4 through a pin 13 to keep the hinged form).

The purpose of this arrangement is to move the transverse clamping plate 4 by deformation of the longitudinal clamping plate 5, facilitating centering of the test specimen.

In this embodiment, an adjustment push plate 6 is detachably mounted on the inner end of the lateral clamp plate 4.

Through setting up the interval that adjusts push pedal 6 and be between two horizontal splint 4, this adjust push pedal 6 can set up to a plurality of different thickness, conveniently carries out central location to the test sample piece of equidimension.

When the device is used for clamping a test sample, firstly, according to the size of the test sample, a proper adjusting push plate 6 is selected and used and is installed on the inner side of a transverse clamping plate 4 through a vertically arranged chute structure (which can be seen from an attached drawing 1, an attached drawing 4 or an attached drawing 6), then a jacking piece 12 is started to extend to drive a lifting plate 2 and the clamping plate to ascend, a worker places the test sample in the middle of the clamping plate, then a driving piece 11 is started to run (driving pieces on two sides simultaneously run, so that the center is convenient to position, if the test sample is an air cylinder or an electronic push rod, the driving piece is controlled by an external control system, if the test sample is a bolt, a driving motor can drive a transmission shaft, the two bolts are connected with the transmission shaft, the driving shaft is driven to rotate through the starting of the driving motor, the two bolts simultaneously rotate), the driving piece 11 stretches out to push two longitudinal clamping plates 5 inwards to be close, and the two ends of the transverse clamping plates 4 are hinged, and the transverse clamping plates 4 are connected with a sliding rail 3 of the lifting plate 2 through the chute, so that the two transverse clamping plates 4 can deform and drive the two transverse clamping plates 4 inwards to be close in the process of being close to each longitudinal clamping plate 5 inwards until the two transverse clamping plates to be in contact with the outer surfaces of the test sample, the test sample is convenient to realize that the test sample is convenient to move the test sample and the test sample is pulled out of the sample to be 12 to the center to be pulled down by the clamping pieces and the test sample to be conveniently and the tested sample to be pulled down.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic positioning rebound device for material test, which is characterized in that: comprising

Two transverse clamping plates (4) which are oppositely arranged on the lifting plate (2) and keep linear sliding;

the two longitudinal clamping plates (5) are oppositely arranged on the lifting plate (2) and connected with the transverse clamping plates (4) to form a frame body, and the transverse clamping plates (4) are driven to clamp and loosen; and

the two driving parts (11) are arranged at the outer ends of the lifting plates (2) and used for driving the longitudinal clamping plates (5) to move so as to deform and further drive the clamping and loosening of the transverse clamping plates (4).

2. An automatic positioning rebound device for a material test as set forth in claim 1 wherein: the lifting plate (2) is arranged on the base body (1) and keeps lifting through a jacking piece (12) arranged in the base body (1), two mutually parallel sliding rails (3) are further arranged on the lifting plate (2), and the transverse clamping plate (4) is arranged on the lifting plate (2) and provided with sliding grooves matched with the sliding rails (3).

3. An automatic positioning rebound device for a material test as set forth in claim 1 wherein: the lifting plate (2) is provided with first brackets (7) on two opposite sides of the outer end, connecting rods (8) are arranged on the outer sides of the first brackets (7) and the transverse clamping plates (4), and the connecting rods (8) are telescopic rods and are provided with elastic pieces (9) connected to the first brackets (7) and the transverse clamping plates (4) at the outer ends.

4. A self-aligning resilient device for testing materials as claimed in claim 3, wherein: second brackets (10) are arranged on the other two sides of the outer side surface of the lifting plate (2), driving pieces (11) are arranged on the second brackets (10), and one ends of the driving pieces (11) are connected with the outer center of the longitudinal clamping plate (5).

5. An automatic positioning rebound device for a material test as recited in claim 4 wherein: the longitudinal clamping plates (5) are elastic plates, and two ends of the longitudinal clamping plates (5) are movably connected with the transverse clamping plates (4).

6. An automatic positioning rebound device for a material test as recited in claim 5 wherein: both ends of the longitudinal clamping plate (5) are hinged with both ends of the transverse clamping plate (4).

7. An automatic positioning rebound device for a material test as set forth in claim 1 wherein: an adjusting push plate (6) is detachably arranged on the inner end of the transverse clamping plate (4).