CN215414725U

CN215414725U - Clamp structure of tension tester

Info

Publication number: CN215414725U
Application number: CN202121545607.XU
Authority: CN
Inventors: 肖国银
Original assignee: Chongqing Puheng Electromechanical Co ltd
Current assignee: Chongqing Puheng Electromechanical Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-01-04
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a clamp structure of a tension tester, which comprises: the base is used as a supporting base of the whole device, the tester body is fixedly connected to the base, and the tensile force limit of a workpiece can be seen from side; the base plate is fixedly connected to the base, the tail end of the threaded rod is fixedly connected to the inside of the bearing, the bearing is fixedly connected to the inner wall of the groove, and the vertical plate is fixedly connected to the upper portion of the adjusting block. This anchor clamps structure of tensile tester, through rotatory threaded rod, adjust the position of arbitrary a set of riser, thereby be convenient for the irregular work piece of fixed shape, and extrude the work piece through four directions respectively, the centre gripping is more firm, when the slot through picture peg and hollow tube is in same position, the picture peg resets under the effect of spring, thereby be convenient for install last anchor clamps on the tester body, through reverse rotation nut, make the curb plate no longer fix on the base, then remove the backing plate along the direction that leads to the groove, thereby be convenient for adjust down the position of anchor clamps.

Description

Clamp structure of tension tester

Technical Field

The utility model relates to the technical field of tensile testers, in particular to a clamp structure of a tensile tester.

Background

When a workpiece is tested by a tension tester, the workpiece needs to be fixed by a lower clamp, and the workpiece is upwards stretched after the workpiece is clamped by an upper clamp, so that the tension of the workpiece is tested;

according to the clamp structure of the tension tester and the tension tester disclosed in the publication number CN209247504U, the step-shaped limiting groove is arranged on the inner side surface of the claw piece, the button is tightly propped against the limiting groove in the grabbing process, so that the claw piece generates acting force on the button through the limiting groove, and the tip of the claw piece is prevented from directly acting on the surface of the button and causing the button to be damaged or scratched; meanwhile, the button is not easy to slip and drop off due to the tight pushing of the button and the limiting groove;

this prior art solution also presents the following problems when in use:

1. the lower clamp is not firm in clamping the workpiece;

2. the clamp is not convenient to install;

3. the position of the lower clamp is not convenient to adjust;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamp structure of a tension tester, which aims to solve the problems that the clamp structure of the tension tester in the prior market, which is provided by the background art, is not firm in clamping a workpiece, inconvenient to install an upper clamp and inconvenient to adjust the position of the lower clamp.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamp structure of a tensile tester comprises:

the base is used as a supporting base of the whole device, the tester body is fixedly connected to the base, and the tensile force limit of a workpiece can be seen from side;

the base plate, fixed connection be in on the base, set up the recess in the backing plate, fixedly connected with slide rail on the inside bottom surface of recess, sliding connection has the slider in the slide rail, slider top fixedly connected with regulating block, regulating block female connection has the threaded rod, threaded rod end fixed connection is in the bearing, bearing fixed connection is on the recess inner wall, regulating block top fixedly connected with riser.

Preferably, four groups of grooves, slide rails, slide blocks, adjusting blocks, threaded rods and vertical plates are arranged on the base plate, the four groups of grooves, the slide rails, the slide blocks, the adjusting blocks, the threaded rods and the vertical plates form a clamping mechanism, and the four groups of vertical plates are used for stressing workpieces from different directions, so that the firmness of clamping the workpieces can be effectively improved.

Preferably, the tester body includes:

the through hole is formed in the tester body, a placing groove is formed in the inner side wall of the through hole, and a spring is fixedly connected in the placing groove;

the baffle, fixed connection be in spring one end, baffle one side fixedly connected with picture peg, the picture peg block is connected in the slot, the slot is seted up inside hollow tube one side, anchor clamps are gone up to hollow tube below fixedly connected with to be convenient for install anchor clamps.

Preferably, standing groove, spring, baffle, picture peg and slot are provided with two sets ofly about the central axis symmetry of hollow tube, and the inside degree of depth of slot is the same with the wall thickness of hollow tube, makes the picture peg can pass the slot, improves the firm degree of installation.

Preferably, the base includes:

the cavity is formed in the base, a through groove is formed above the cavity, and a T-shaped bolt is connected in the through groove;

the curb plate, fixed connection be in backing plate one side, the jack has been seted up in the curb plate, jack threaded connection is passed in the nut on T shape bolt top to when revolving the nut on T shape bolt top, can support the curb plate, install the backing plate on the base.

Preferably, the height of the T-shaped bolt is greater than the sum of the depth inside the through groove and the depth inside the jack, and the overlooking cross-sectional area of the nut is greater than the overlooking cross-sectional area of the jack, so that the nut is prevented from falling into the jack, and the backing plate cannot be firmly installed on the base.

Compared with the prior art, the utility model has the beneficial effects that: this anchor clamps structure of tensile tester, through rotatory threaded rod, adjust the position of arbitrary a set of riser, thereby be convenient for the irregular work piece of fixed shape, and extrude the work piece through four directions respectively, the centre gripping is more firm, when the slot through picture peg and hollow tube is in same position, the picture peg resets under the effect of spring, thereby be convenient for install last anchor clamps on the tester body, through reverse rotation nut, make the curb plate no longer fix on the base, then remove the backing plate along the direction that leads to the groove, thereby be convenient for adjust down the position of anchor clamps.

1. After the upper clamp is installed, a workpiece is placed between the four groups of vertical plates, the threaded rod is rotated through the bearing, due to the action of the sliding rail and the sliding block, the adjusting block cannot rotate along with the rotation of the threaded rod, but the sliding block stably moves on the sliding rail, so that the vertical plates are moved inwards, the other three groups of vertical plates are adjusted in the same way, the positions of any one group of vertical plate and the four groups of vertical plates are respectively adjusted, the workpiece with an irregular shape can be conveniently fixed, the workpiece is extruded in four directions respectively, and the clamping is firmer;

2. firstly, two groups of inserting plates are pushed inwards, the inserting plates extrude the springs through the baffle plates, the inserting plates are accommodated in the placing grooves, the hollow pipe is inserted into the through hole at the moment, the hollow pipe is moved, when the inserting plates on two sides and the inserting grooves on two sides of the hollow pipe are located at the same position, the inserting plates reset under the action of the springs and are inserted into the inserting grooves, and therefore the hollow pipe is fixed in the through hole, and the upper clamp is convenient to be installed on the tester body;

3. after accomplishing the work piece centre gripping, the reverse rotation nut, the nut upwards removed along T shape bolt this moment, makes the distance between nut and the T shape bolt bottom be greater than logical groove and the inside degree of depth sum of jack to make the curb plate no longer fix on the base, then remove the backing plate along the direction that leads to the groove, thereby be convenient for adjust the position of anchor clamps down.

Drawings

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

FIG. 2 is a schematic view of the construction of the backing plate of the present invention;

FIG. 3 is an enlarged view of the portion A of the present invention;

FIG. 4 is an enlarged view of the structure of part B of the present invention.

In the figure: 1. a base; 2. a tester body; 3. a base plate; 4. a groove; 5. a slide rail; 6. a slider; 7. an adjusting block; 8. a threaded rod; 9. a bearing; 10. a vertical plate; 11. a through hole; 12. a placement groove; 13. a spring; 14. a baffle plate; 15. inserting plates; 16. a slot; 17. a hollow tube; 18. an upper clamp; 19. a cavity; 20. a through groove; 21. a T-bolt; 22. a jack; 23. a side plate; 24. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a clamp structure of a tensile tester comprises: base 1, as the holistic support basis of the device, fixedly connected with tester body 2 on the base 1, can look sideways at the pulling force limit of work piece, backing plate 3, fixed connection is on base 1, recess 4 has been seted up in backing plate 3, fixedly connected with slide rail 5 on the inside bottom surface of recess 4, sliding connection has slider 6 in the

slide rail

5, 6 top fixedly connected with regulating block 7 of slider, 7 threaded rod 8 of regulating block internal thread connection, 8 terminal fixed connection of threaded rod are in bearing 9, bearing 9 fixed connection is on the 4 inner walls of recess, 7 top fixedly connected with risers 10 of regulating block. The positions of any group of vertical plates 10 are adjusted by rotating the threaded rod 8, so that workpieces with irregular shapes can be fixed conveniently, the workpieces are extruded in four directions, and clamping is firm.

Four groups of grooves 4, slide rails 5, sliders 6, adjusting blocks 7, threaded rods 8 and vertical plates 10 are arranged on the base plate 3, the four groups of grooves 4, the slide rails 5, the sliders 6, the adjusting blocks 7, the threaded rods 8 and the vertical plates 10 form a clamping mechanism, and the four groups of vertical plates 10 are used for stressing workpieces from different directions, so that the firmness of clamping the workpieces can be effectively improved.

The tester body 2 includes: through-hole 11 is seted up in tester body 2, has seted up standing groove 12 on the 11 inside walls of through-hole, fixedly connected with spring 13 in standing groove 12, baffle 14, and fixed connection is in spring 13 one end, 14 one side fixedly connected with picture peg 15 of baffle, and 15 block connections of picture peg are in slot 16, and slot 16 is seted up inside hollow tube 17 one side, and hollow tube 17 below fixedly connected with goes up anchor clamps 18 to be convenient for install anchor clamps 18. The placing grooves 12, the springs 13, the baffle plates 14, the inserting plates 15 and the inserting grooves 16 are symmetrically arranged in two groups about the central axis of the hollow pipe 17, and the inner depth of the inserting grooves 16 is the same as the wall thickness of the hollow pipe 17, so that the inserting plates 15 can penetrate through the inserting grooves 16, and the mounting firmness is improved. When the insertion plate 15 is in the same position as the slot 16 of the hollow pipe 17, the insertion plate 15 is reset under the action of the spring 13, so that the upper clamp 18 is convenient to mount on the tester body 2.

The base 1 includes: cavity 19, offer in base 1, logical groove 20 has been seted up to cavity 19 top, it has T shape bolt 21 to lead to the inslot of groove 20, curb plate 23, fixed connection is in backing plate 3 one side, has seted up jack 22 in the curb plate 23, and jack 22 threaded connection is passed on T shape bolt 21 top in nut 24 to when revolving nut 24 on T shape bolt 21 top, can support curb plate 23, install backing plate 3 on base 1. The height of the T-shaped bolt 21 is greater than the sum of the depth of the through groove 20 and the depth of the insertion hole 22, and the overlooking section area of the nut 24 is greater than the overlooking section area of the insertion hole 22, so that the nut 24 is prevented from falling into the insertion hole 22, and the cushion plate 3 cannot be firmly installed on the base 1. The side plate 23 is no longer fixed to the base 1 by reversely rotating the nut 24, and then the backing plate 3 is moved in the direction of the through-groove 20, thereby facilitating the adjustment of the position of the lower jig.

The working principle is as follows: as shown in fig. 1-4, when using the clamp structure of the tensile tester, the device is simply understood, firstly, two sets of insertion plates 15 are pushed inwards, the insertion plates 15 press the springs 13 through the baffle plates 14, the insertion plates 15 are accommodated in the accommodating grooves 12, at this time, the hollow pipes 17 are inserted into the through holes 11, the hollow pipes 17 are moved, when the insertion plates 15 at both sides and the insertion grooves 16 at both sides of the hollow pipes 17 are at the same position, the insertion plates 15 are reset under the action of the springs 13, the insertion grooves 16 are inserted, the hollow pipes 17 are fixed in the through holes 11, thereby the upper clamp 18 is conveniently installed on the tester body 2, secondly, after the upper clamp 18 is installed, the workpiece is placed between the four sets of vertical plates 10, the threaded rod 8 is rotated through the bearings 9, due to the action of the slide rail 5 and the slide block 6, the adjusting block 7 does not rotate along with the rotation of the threaded rod 8, but stably moves on the slide rail 5 through the slide block 6, therefore, the vertical plates 10 are moved inwards, the other three groups of vertical plates 10 are adjusted in the same way, the positions of any one group of vertical plates 10 are adjusted respectively, the position between the four groups of vertical plates 10 is adjusted, so that irregular workpieces can be fixed conveniently, the workpieces are extruded in four directions respectively, clamping is firm, then after the workpieces are clamped, the nuts 24 are rotated reversely, the nuts 24 move upwards along the T-shaped bolts 21 at the moment, the distance between the nuts 24 and the bottoms of the T-shaped bolts 21 is larger than the sum of the inner depths of the through grooves 20 and the inserting holes 22, so that the side plates 23 are not fixed on the base 1 any more, and then the base plate 3 is moved along the direction of the through grooves 20, so that the position of the lower clamp is adjusted conveniently.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a clamp structure of tensile tester which characterized in that includes:

the device comprises a base (1) serving as a supporting base of the whole device, wherein a tester body (2) is fixedly connected to the base (1) and can be used for laterally viewing the tension limit of a workpiece;

backing plate (3), fixed connection be in on base (1), recess (4) have been seted up in backing plate (3), fixedly connected with slide rail (5) on the inside bottom surface of recess (4), sliding connection has slider (6) in slide rail (5), slider (6) top fixedly connected with regulating block (7), regulating block (7) female connection has threaded rod (8), terminal fixed connection of threaded rod (8) is in bearing (9), bearing (9) fixed connection is on recess (4) inner wall, regulating block (7) top fixedly connected with riser (10).

2. The clamp structure of a tensile tester according to claim 1, wherein: four groups of grooves (4), sliding rails (5), sliding blocks (6), adjusting blocks (7), threaded rods (8) and vertical plates (10) are arranged on the base plate (3), and the four groups of grooves (4), the sliding rails (5), the sliding blocks (6), the adjusting blocks (7), the threaded rods (8) and the vertical plates (10) form a clamping mechanism.

3. The clamp structure of a tensile tester according to claim 1, wherein: the tester body (2) includes:

the through hole (11) is formed in the tester body (2), a placing groove (12) is formed in the inner side wall of the through hole (11), and a spring (13) is fixedly connected in the placing groove (12);

baffle (14), fixed connection be in spring (13) one end, baffle (14) one side fixedly connected with picture peg (15), picture peg (15) block is connected in slot (16), inside hollow tube (17) one side was seted up in slot (16), anchor clamps (18) are gone up to hollow tube (17) below fixedly connected with.

4. The clamp structure of a tensile tester according to claim 3, wherein: the placing groove (12), the spring (13), the baffle (14), the inserting plate (15) and the inserting groove (16) are symmetrically provided with two groups about the central axis of the hollow pipe (17), and the inner depth of the inserting groove (16) is the same as the wall thickness of the hollow pipe (17).

5. The clamp structure of a tensile tester according to claim 1, wherein: the base (1) comprises:

the cavity (19) is arranged in the base (1), a through groove (20) is formed above the cavity (19), and a T-shaped bolt (21) is connected in the through groove (20);

the side plate (23) is fixedly connected to one side of the base plate (3), a jack (22) is formed in the side plate (23), and the top end of the T-shaped bolt (21) penetrates through the jack (22) and is connected into the nut (24) in a threaded mode.

6. The clamp structure of a tensile tester according to claim 5, wherein: the height of the T-shaped bolt (21) is greater than the sum of the inner depth of the through groove (20) and the inner depth of the insertion hole (22), and the overlooking cross-sectional area of the nut (24) is greater than the overlooking cross-sectional area of the insertion hole (22).