CN212083071U

CN212083071U - Special fixture for electronic universal testing machine

Info

Publication number: CN212083071U
Application number: CN202020915321.5U
Authority: CN
Inventors: 李志勇; 满艳宁
Original assignee: Suzhou Huabai Testing Technology Co ltd
Current assignee: Suzhou Huabai Testing Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-04
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a special fixture for an electronic universal testing machine, which comprises a chassis, wherein the top of the chassis is fixedly connected with a fixed column, the fixed column is fixedly connected with a connecting rod, the connecting rod is fixedly provided with an electric push rod, the electric push rod is fixedly provided with an extrusion block, the extrusion block is fixedly provided with a rolling device, a limit belt is arranged between the rolling devices, two ends of the limit belt are respectively arranged in the rolling devices, the chassis is provided with a moving groove on the upper surface of the top, a slide block is arranged in the moving groove, the position of the chassis relative to the moving groove is provided with a screw rod which is oppositely arranged, the top of the slide block is fixedly connected with a support rod, the support rod is fixedly connected with a cylinder clamp, the clamping force of the fixture to different materials is ensured, and the precision of, the application range is enlarged while the manpower loss is reduced, and the device is very simple and convenient.

Description

Special fixture for electronic universal testing machine

Technical Field

The utility model belongs to the technical field of electron universal tester, specifically be an electron universal tester special fixture.

Background

The electronic universal testing machine is a new generation of double-space microcomputer control electronic universal testing machine specially designed for colleges and universities and scientific research institutions. The design of the tester host and the auxiliary tool refers to the advanced technology of the Shimadzu corporation of Japan, the appearance is beautiful, the operation is convenient, the performance is stable and reliable, and the tester host and the auxiliary tool can meet the national and international relevant standards. The computer of the electronic universal testing machine controls the servo motor to rotate through the controller and the speed regulating system, and drives the movable beam to ascend and descend through the precision lead screw pair after being decelerated by the deceleration system, so that various mechanical property tests of the sample such as stretching, compression, bending, shearing and the like are completed. The device has the advantages of no pollution, low noise, high efficiency, very wide speed regulation range and beam moving distance, and very wide application prospect in the aspect of mechanical property tests of metal, nonmetal, composite materials and products due to the configuration of various experimental aids.

The anchor clamps of current electron universal tester all are a clamping structure basically, and need experiment different materials, the material of different shapes when the experiment many times, to different centre gripping materials, the dynamics of anchor clamps can not be guaranteed, causes the precision of experimental result to reduce, and needs a plurality of anchor clamps of reserve so that change use, very loaded down with trivial details troublesome sometimes. Therefore, the structure of the clamp of the electronic universal testing machine needs to be improved, and meanwhile, the clamp special for the electronic universal testing machine is provided, so that the problems are better solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a special clamp for an electronic universal testing machine is provided.

The utility model adopts the technical scheme as follows: a special fixture for an electronic universal testing machine comprises a chassis, wherein two ends of the top of the chassis are fixedly connected with oppositely arranged fixed columns, opposite surfaces of the fixed columns are fixedly connected with oppositely arranged connecting rods, one end, away from the fixed columns, of each connecting rod is fixedly provided with an electric push rod, one side, opposite to the electric push rod, of each connecting rod is fixedly provided with an extrusion block, rolling devices are fixedly arranged on the front side and the rear side of each extrusion block, a limiting belt is arranged between the rolling devices, two ends of each limiting belt are respectively arranged in the rolling devices, the upper surface of the top of the chassis is provided with a moving groove, the moving groove is arranged between the fixed columns, a sliding block is arranged in the moving groove and matched with the moving groove, oppositely arranged screw rods penetrate through the position of the chassis, opposite to the moving groove, the screw rods are, and a fixed rod is fixedly connected to the supporting rod, and a cylinder clamp is fixedly connected to one end, far away from the supporting rod, of the fixed rod.

In a preferred embodiment, the inside central point of coiling mechanism puts and has the axis of rotation through bearing movable mounting, and the both ends of axis of rotation have cup jointed the torsional spring, the one end and the axis of rotation fixed connection of torsional spring, and the other end and the dead eye fixed connection of torsional spring, spacing area activity is pegged graft in the inside of coiling mechanism, and spacing belt winding is in the axis of rotation, the tip and the axis of rotation fixed connection of spacing area.

In a preferred embodiment, a control rod is fixedly installed at one end of the screw rod extending out of the chassis, the screw rod is movably connected with the inner wall of the chassis through a bearing, and a cavity structure is arranged in the chassis.

In a preferred embodiment, the cylinder clamp comprises a clamp body, an arc-shaped plate, a limiting plate and a spring, and the two ends of the top of the clamp body are movably connected with the arc-shaped plate which is arranged oppositely through a bearing.

In a preferred embodiment, the limiting plate is connected with the clamp body through a spring, one end of the spring is fixedly connected to the clamp body, and the other end of the spring is fixedly connected to the limiting plate.

In a preferred embodiment, the middle position of the fixed rod is fixedly provided with a fixed plate which is oppositely arranged, and an electric telescopic rod is hinged between the fixed plate and the arc-shaped plate.

In conclusion, due to the adoption of the technical scheme, the utility model has the advantages that the limiting and fixing devices are additionally arranged on the clamp, the clamping force of the clamp on different materials is ensured, the precision of an experimental result is improved, different materials can be clamped without replacing the clamp for many times, the application range is enlarged while the manpower loss is reduced, and the clamp is very simple and convenient.

1. The utility model discloses in, through the electric putter of relative setting, can be fixed with the object centre gripping, the coiling mechanism on the extrusion piece simultaneously pulls out spacing area, and the axis of rotation can be turned around under the effect of torsional spring simultaneously, carries on spacingly to the object, and the cooperation extrusion piece has guaranteed anchor clamps and has improved the precision of experimental result to the centre gripping dynamics of different materials.

2. The utility model discloses in, the cylinder presss from both sides can carry out the centre gripping to the cylindricality object, and the limiting plate relies on the effect extrusion of spring to extrude the surface at the object, and electric telescopic handle drives the arc and extrudes the surface at the object simultaneously, and then makes the object fixed, need not change anchor clamps many times, has increaseed the succinct convenience that application scope was very when having reduced the manpower loss.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic structural view of a center pillar clip according to the present invention;

fig. 5 is the partial structure of the middle rolling device of the utility model.

The labels in the figure are: 1-chassis, 2-fixed column, 3-connecting rod, 4-electric push rod, 5-extrusion block, 6-winding device, 7-limit belt, 8-moving groove, 9-sliding block, 10-screw rod, 11-supporting rod, 12-fixing rod, 13-column clamp, 14-rotating shaft, 15-clamp body, 16-arc plate, 17-limit plate, 18-spring, 19-fixing plate and 20-electric telescopic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, a special fixture for an electronic universal testing machine comprises a base, a cavity structure is arranged in a chassis 1 to facilitate installation and control of a screw 10, two opposite ends of the top of the chassis 1 are fixedly connected with oppositely arranged fixed columns 2, opposite surfaces of the fixed columns 2 are fixedly connected with oppositely arranged connecting rods 3, one ends of the connecting rods 3 far away from the fixed columns 2 are fixedly provided with electric push rods 4, one sides of the electric push rods 4 opposite are fixedly provided with extrusion blocks 5, the front and rear sides of the extrusion blocks 5 are fixedly provided with rolling devices 6, a limiting belt 7 is arranged between the rolling devices 6, two ends of the limiting belt 7 are respectively arranged in the rolling devices 6, a rotating shaft 14 is movably arranged in the central position in the rolling devices 6 through a bearing, two ends of the rotating shaft 14 are sleeved with torsion springs, one ends of the torsion springs are fixedly connected with the, conveniently, the limiting belt 7 can be automatically tightened to limit an object, the limiting belt 7 is movably inserted into the winding device 6, the limiting belt 7 is wound on the rotating shaft 14 in a surrounding manner, the end of the limiting belt 7 is fixedly connected with the rotating shaft 14, the upper surface of the top of the chassis 1 is provided with a moving groove 8, the moving groove 8 is arranged between the fixed columns 2, a sliding block 9 is arranged in the moving groove 8, the sliding block 9 is matched with the moving groove 8, a screw rod 10 which is oppositely arranged is movably penetrated through the position of the chassis 1 relative to the moving groove 8, the screw rod 10 is in threaded connection with the sliding block 9, one end of the screw rod 10 extending out of the chassis 1 is fixedly provided with a control rod, the screw rod 10 is movably connected with the inner wall of the chassis 1 through a bearing, the top of the sliding block 9 is fixedly connected with a support rod 11, a fixed rod 12 is fixedly connected on the supporting rod 11, a fixed plate 19 which is oppositely arranged is fixedly arranged at the middle position of the fixed rod 12, an electric telescopic rod 20 is articulated between the fixed plate 19 and the arc-shaped plate 16, one end of the fixed rod 12 far away from the supporting rod 11 is fixedly connected with a column clamp 13, the column clamp 13 consists of a clamp body 15, the arc-shaped plate 16, a limit plate 17 and a spring 18, the two ends of the top of the clamp body 15 are movably connected with arc-shaped plates 16 which are oppositely arranged through bearings, the limiting plate 17 is connected with the clamp body 15 through a spring 18, one end of the spring 18 is fixedly connected on the clamp body 15, the other end of the spring 18 is fixedly connected on the limiting plate 17, the limiting plate 17 is extruded on the surface of an object under the action of the spring 15, meanwhile, the electric telescopic rod 20 drives the arc-shaped plates 16 to be extruded on the surface of the object, and then make the object fixed, need not change anchor clamps many times, enlarged the succinct convenience that application scope was very when having reduced the manpower loss.

The working principle is as follows: in this application, when to general object, put the object between two extrusion pieces 5, start electric putter 4 and extrude fixedly with the object, pull out spacing area 7 simultaneously, the laminating is on the object surface, under the effect of torsional spring, 14 gyrations of axis of rotation to tighten up spacing area 7, and then spacing to the object.

In this application, when to the cylindricality object, put the cylindricality object between the cylinder presss from both sides 13, it is rotatory through control lever control screw 10 to make slider 9 slide to the centre, and then make limiting plate 17 extrude the surface at the cylindricality object at the effect of spring 18, simultaneously under electric telescopic handle 20's drive, make the arc extrude the surface at the cylindricality object, and then played fixed and spacing effect to the cylindricality object.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electron universal tester special fixture, includes chassis (1), its characterized in that: the chassis is characterized in that two opposite fixed columns (2) are fixedly connected to two ends of the top of the chassis (1), opposite faces of the fixed columns (2) are fixedly connected with opposite connecting rods (3), one ends, far away from the fixed columns (2), of the connecting rods (3) are fixedly provided with electric push rods (4), one sides, opposite to the electric push rods (4), of the extruding blocks (5) are fixedly provided with extruding blocks (5), rolling devices (6) are fixedly arranged on the front sides and the rear sides of the extruding blocks (5), limiting belts (7) are arranged between the rolling devices (6), two ends of the limiting belts (7) are respectively arranged in the rolling devices (6), the upper surface of the top of the chassis (1) is provided with a moving groove (8), the moving groove (8) is arranged between the fixed columns (2), a sliding block (9) is arranged in the moving groove (8), and the sliding block (, the chassis (1) is run through screw rod (10) that has relative setting for the position activity of shifting chute (8), and threaded connection has slider (9) on screw rod (10), slider (9) top fixedly connected with bracing piece (11), and fixedly connected with dead lever (12) on bracing piece (11), one end fixedly connected with cylinder clamp (13) of bracing piece (11) are kept away from in dead lever (12).

2. The special fixture for the electronic universal testing machine as claimed in claim 1, wherein: the utility model discloses a winding device, including coiling mechanism (6), limiting belt (7), rotating shaft (14), torsional spring, rotating shaft (14), rotating shaft (7) and limiting belt (7), winding device (6) inside central point puts and has had rotating shaft (14) through bearing movable mounting, and the both ends of rotating shaft (14) have cup jointed the torsional spring, the one end and rotating shaft (14) fixed connection of torsional spring, and the other end and the dead eye fixed connection of torsional spring, limiting belt (7) activity is pegged graft in the inside of coiling mechanism (6), and limiting belt (7) encircle on.

3. The special fixture for the electronic universal testing machine as claimed in claim 1, wherein: the screw rod (10) extends to one end outside the chassis (1) and is fixedly provided with a control rod, the screw rod (10) is movably connected with the inner wall of the chassis (1) through a bearing, and a cavity structure is arranged in the chassis (1).

4. The special fixture for the electronic universal testing machine as claimed in claim 1, wherein: the cylinder clamp (13) is composed of a clamp body (15), an arc-shaped plate (16), a limiting plate (17) and a spring (18), and the two ends of the top of the clamp body (15) are movably connected with the arc-shaped plate (16) which is arranged oppositely through a bearing.

5. The jig special for the electronic universal tester as claimed in claim 4, wherein: the limiting plate (17) is connected with the clamp body (15) through a spring (18), one end of the spring (18) is fixedly connected to the clamp body (15), and the other end of the spring is fixedly connected to the limiting plate (17).

6. The special fixture for the electronic universal testing machine as claimed in claim 1, wherein: the middle position of the fixed rod (12) is fixedly provided with a fixed plate (19) which is arranged oppositely, and an electric telescopic rod (20) is hinged between the fixed plate (19) and the arc-shaped plate (16).