CN211453125U

CN211453125U - Novel tensile machine

Info

Publication number: CN211453125U
Application number: CN202020011733.6U
Authority: CN
Inventors: 邹红徽; 李艺众; 楼佳
Original assignee: Zhejiang Weizheng Testing Technology Co ltd
Current assignee: Zhejiang Weizheng Testing Technology Co ltd
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-09-08
Anticipated expiration: 2030-01-04

Abstract

The utility model discloses a novel tension machine aims at solving the inconvenient problem of changing the clamper when the clamper damages. The key points of the technical scheme are as follows: the utility model provides a novel tensile machine, including the tensile machine body, the tensile machine body includes fixing base and the perpendicular support arm that sets up at the fixing base both ends, be equipped with horizontal lifter plate between two support arms, be equipped with down anchor clamps on the fixing base, be equipped with the last anchor clamps that correspond with anchor clamps down on the horizontal lifter plate, the one end that goes up the anchor clamps and be close to horizontal lifter plate is equipped with the base, the one end that lower anchor clamps are close to the fixing base is equipped with down the base, it is equipped with the actuating lever that is the L type to go up equal symmetry on anchor clamps and the lower anchor clamps, be connected with the elastic component between two actuating levers, equal fixedly connected with lug on two actuating levers, the inside of going up anchor clamps and lower anchor clamps all is equipped. The utility model discloses a novel pulling force machine can solve the anchor clamps that conveniently change the damage.

Description

Novel tensile machine

Technical Field

The utility model relates to a test equipment technical field, more specifically say, it relates to a novel pulling force machine.

Background

A tension tester is a mechanical stress tester for mechanical property tests such as stretching, compressing, bending, shearing, peeling and the like of metal materials and non-metal materials, a clamp of the tension tester is used as an important component of an instrument, different materials need different clamps, and the tension tester is also an important factor for smooth test and high test result accuracy, and in the test process, a tested object can be fractured, and workers can be injured at the moment of fracture.

In order to solve the above problems, the tensile machine disclosed in chinese patent publication No. CN208254952U comprises a base, two sets of symmetrical support rods are vertically disposed at two ends of an upper side of the base, lower ends of the support rods are vertically and fixedly connected with the upper side of the base, an electric lifting rod is horizontally disposed between the two sets of support rods, two ends of the electric lifting rod are respectively movably connected with opposite surfaces of the two sets of support rods, two sets of symmetrical clamping devices are vertically and fixedly disposed at a middle portion of a lower side of the electric lifting rod and a middle portion of an upper side of the base, a horizontal rod is horizontally disposed between the two sets of support rods, two ends of the horizontal rod are respectively and fixedly connected with opposite surfaces of upper ends of the two sets of support rods, a placement groove is vertically disposed at the upper side of the base, a reel is disposed in the placement groove, two sides of the reel are movably connected with a groove wall of the placement groove through a, the side wall of the roller is provided with a belt in a winding way.

Above-mentioned scheme passes through the motor and drives two sets of symmetrical gear revolve, and gear engagement drives two sets of running rollers and rotates for the belt plays the effect of blockking with the transparent protection plastic slab on reel surface, and the effect of torsional spring can be rolled up the reel, retrieves transparent protection plastic slab, simple structure, and reasonable in design, convenient to use has improved stability and novelty, greatly increased the practicality. However, the clamping device is fixedly arranged on the electric lifting rod, when the clamping device is damaged, the clamping device is not convenient to replace, only a new tension machine can be used for working, and the working efficiency and the production cost are seriously influenced.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel pulling force machine makes things convenient for anchor clamps and lower anchor clamps to be connected with last base and lower base through dismantling the connection respectively to the convenience is changed when last anchor clamps damage with lower anchor clamps, and convenient dismantlement and installation.

The above technical purpose of the present invention can be achieved by the following technical solutions: a novel tensile machine comprises a tensile machine body, wherein the tensile machine body comprises a fixed seat and supporting arms vertically arranged at two ends of the fixed seat, a transverse lifting plate is arranged between the two supporting arms, a lower clamp is arranged on the fixed seat, an upper clamp corresponding to the lower clamp is arranged on the transverse lifting plate, an upper base is arranged at one end of the upper clamp close to the transverse lifting plate, a lower base is arranged at one end of the lower clamp close to the fixed seat, L-shaped driving rods are symmetrically arranged on the upper clamp and the lower clamp, an elastic part is connected between the two driving rods, a lug is fixedly connected on each of the two driving rods, cavities for the driving rods to move are arranged in the upper clamp and the lower clamp, clamping grooves for the lug to be clamped are arranged on the inner wall of each cavity, and accommodating cavities for accommodating the driving rods are arranged in the upper base and the lower base, the outer sides of the upper base and the lower base are provided with through holes for the driving rod to extend out, and the through holes are communicated with the accommodating cavity.

By adopting the technical scheme, when the upper clamp or the lower clamp is damaged, the driving rod which is arranged in an L shape is pressed, the accommodating cavity which is in clearance fit with the driving rod is arranged in a T shape, so that the driving rod can conveniently stretch in the accommodating cavity, the driving rod can retract from the through holes on the outer sides of the upper base and the lower base, at the moment, the two driving rods can mutually approach, the elastic piece between the two driving rods is compressed, the other end of the driving rod slides in the cavity formed by the upper clamp and the lower clamp, meanwhile, the convex blocks arranged on the driving rod can mutually approach and then separate from the clamping grooves, a worker can pull the upper clamp and the lower clamp to separate the driving rod from the cavity, thereby realizing the separation of the upper clamp and the upper base, the separation of the lower clamp and the lower base, and when the upper clamp and the lower clamp which are replaced are connected with the upper base and the lower base, the two driving, make the elastic component between the actuating lever compressed, insert the lug in the cavity of supreme anchor clamps and lower anchor clamps, when the lug inserts to the position that corresponds with the draw-in groove, the staff can relieve the actuating lever, make the actuating lever go into the through-hole of seting up on supreme base and the lower base through the spring action card of elastic component, the lug can block simultaneously in going into the communicating draw-in groove with the cavity, thereby realize going up anchor clamps and lower anchor clamps and be connected with last base and lower base respectively, the convenient last anchor clamps or lower anchor clamps of damage are changed in time, thereby can improve machining efficiency and tensile test's accuracy.

The utility model discloses further set up to: the one end that the actuating lever stretches out is provided with the cardboard, the diameter of cardboard is greater than the diameter of through-hole.

Through adopting above-mentioned technical scheme, when the actuating lever stretches out outside the through-hole of last base and lower base, the cardboard that is greater than the through-hole that sets up on the actuating lever can block in through-hole department, prevents that the actuating lever from retracting by oneself.

The utility model discloses further set up to: the outer side of the clamping plate is sleeved with an anti-skidding sleeve.

Through adopting above-mentioned technical scheme, establish the antiskid cover at the outside cover of cardboard for the staff increases the frictional force between hand and the cardboard when pressing the cardboard, prevents that the cardboard from droing from the hand when pressing.

The utility model discloses further set up to: two the symmetry is provided with first stop collar and second stop collar on the actuating lever, first stop collar and second stop collar all overlap and are established the both ends of elastic component.

Through adopting above-mentioned technical scheme, first stop collar can slide in the second stop collar, and first stop collar and second stop collar can prevent that the elastic component from taking place to buckle at flexible in-process to increase the life of elastic component.

The utility model discloses further set up to: the support arm is provided with a sliding groove for the transverse lifting plate to slide, the fixing base is connected with a telescopic cylinder, and one end of the telescopic cylinder, far away from the fixing base, is fixedly connected with the transverse lifting plate.

Through adopting above-mentioned technical scheme, the telescopic cylinder on the drive fixing base for the horizontal lifter plate that is connected with telescopic cylinder slides in the sliding tray on the support arm, thereby makes horizontal lifter plate can drive anchor clamps and reciprocate, then carries out tensile test to the work piece that needs detect, has made things convenient for horizontal lifter plate to go up and down and has improved tensile test's accuracy.

The utility model discloses further set up to: the fixing seat is provided with a motor, and the telescopic cylinder is connected with an output shaft of the motor.

Through adopting above-mentioned technical scheme, the motor on the fixing base is servo motor, controls telescopic cylinder's flexible speed, can control the elevating speed of horizontal lifter plate simultaneously to can realize the constant velocity test of tensile machine body, circulation test, programming test, improve the tensile test's the degree of accuracy.

The utility model discloses further set up to: the upper clamp and the lower clamp are both provided with a first clamping portion and a second clamping portion, a clamping cavity is formed between the first clamping portion and the second clamping portion, and a rubber pad is arranged inside the clamping cavity.

By adopting the technical scheme, the workpiece to be tested can be placed in the clamping cavity, and the rubber pad with good compressibility, abrasion resistance and elongation force is arranged in the clamping cavity, so that when the workpiece is clamped in the rubber pad, the rubber pad can tightly clamp the workpiece and has large friction force, and the workpiece is prevented from falling off from the clamping cavity to influence the detection accuracy.

The utility model discloses further set up to: and magnets are arranged in the first clamping part and the second clamping part.

Through adopting above-mentioned technical scheme, the magnet that sets up in first clamping part and second clamping part can adsorb each other for first clamping part and second clamping part move in opposite directions and can closely press from both sides tightly, conveniently carry out the pulling force to the work piece and detect, thereby improve machining efficiency.

To sum up, the utility model discloses following beneficial effect has:

one of them, when the upper clamp or the lower clamp is damaged, the driving rod arranged in L shape is pressed, and the containing cavity in clearance fit with the driving rod is arranged in T shape, which facilitates the driving rod to extend in the containing cavity, and the driving rod can retract from the through holes at the outer sides of the upper base and the lower base, at this time, the two driving rods can approach each other, and the elastic piece between the two driving rods is compressed, the other end of the driving rod slides in the cavity arranged by the upper clamp and the lower clamp, and the convex blocks arranged on the driving rod can approach each other and then separate from the clamping grooves, and the working personnel can pull the upper clamp and the lower clamp, so that the driving rod separates from the cavity, thereby realizing the separation of the upper clamp and the upper base, the separation of the lower clamp and the lower base, thereby realizing the connection of the upper clamp and the lower clamp with the upper base and the lower base respectively, and facilitating the timely replacement of the, therefore, the processing efficiency and the accuracy of the tensile test can be improved.

Drawings

Fig. 1 is a perspective view of a novel tensile machine of the present invention, which is mainly used for showing the structure of the tensile machine body;

fig. 2 is a schematic structural diagram of a novel tensile machine of the present invention, which is mainly used for representing the structures of a lower clamp and a lower base;

FIG. 3 is an enlarged view of part A of FIG. 2, which is mainly used to show the structure of the first and second position-limiting sleeves;

fig. 4 is an enlarged schematic view of a portion B of fig. 2, and is mainly used for showing the structures of the driving rod and the clamping plate.

In the figure: 1. a fixed seat; 2. a support arm; 3. a transverse lifting plate; 4. a motor; 5. a sliding groove; 6. a telescopic cylinder; 7. an upper base; 8. a lower base; 9. an upper clamp; 10. a lower clamp; 11. an accommodating chamber; 12. a drive rod; 13. a first clamping portion; 14. a second clamping portion; 15. a clamping cavity; 16. a rubber pad; 17. a magnet; 18. a bump; 19. a card slot; 20. clamping a plate; 21. a first stop collar; 22. a second stop collar; 23. a cavity; 24. an elastic member; 25. and a through hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A novel tensile machine is disclosed, as shown in figures 1-4, comprising a tensile machine body, the tensile machine body comprises a fixed seat 1 and supporting arms 2 vertically welded and fixed at two ends of the fixed seat 1, a transverse lifting plate 3 is connected between the two supporting arms 2, a sliding groove 5 for the sliding of the transverse lifting plate 3 is arranged on the supporting arms 2, a motor 4 is arranged on the fixed seat 1, the motor 4 is a servo motor, a telescopic cylinder 6 arranged on the fixed seat 1 is connected with an output shaft of the motor 4, one end of the telescopic cylinder 6 far away from the fixed seat 1 is welded and fixed with the transverse lifting plate 3, a lower base 8 and an upper base 7 are respectively welded on the fixed seat 1 and the transverse lifting plate 3, a lower clamp 10 is arranged on the fixed seat 1, an upper clamp 9 corresponding to the lower clamp 10 is arranged on the transverse lifting plate 3, a first clamping part 13 and a second clamping part 14 are respectively arranged on the upper clamp 9 and the lower clamp 10, a clamping cavity 15 is formed between the first clamping part 13 and the second clamping part 14, a rubber pad 16 is bonded in the clamping cavity 15, a magnet 17 is bonded and fixed in the first clamping part 13 and the second clamping part 14, the upper clamp 9 and the lower clamp 10 are symmetrically provided with L-shaped driving rods 12, the upper base 7 and the lower base 8 are internally provided with accommodating cavities 11 for the driving rods 12 to move, the accommodating cavities 11 are arranged in a T shape to facilitate the insertion of the driving rods 12, an elastic part 24 is bonded and fixed between the two driving rods 12, two ends of the elastic part 24 are sleeved with a first limiting sleeve 21 and a second limiting sleeve 22, the first limiting sleeve 21 and the second limiting sleeve 22 are symmetrically welded between the driving rods 12, the first limiting sleeve 21 can slide in the second limiting sleeve 22, a bump 18 is welded and fixed on the two driving rods 12, cavities 23 for the driving rods 12 to move are formed in the upper clamp 9 and the lower clamp 10, and the inner wall of the cavity 23 is provided with a clamping groove 19 for the lug 18 to be clamped in, the outer sides of the upper base 7 and the lower base 8 are both provided with a through hole 25 for the driving rod 12 to extend out, the through hole 25 is communicated with the accommodating cavity 11, one end of the driving rod 12 extending out of the through hole 25 is fixedly welded with a clamping plate 20, and the outer side of the clamping plate 20 is sleeved with an anti-skidding sleeve.

When the upper clamp 9 or the lower clamp 10 is damaged, the driving rods 12 arranged in an L shape are pressed, so that the driving rods 12 extend and contract in the accommodating cavities 11, the driving rods 12 can retract from through holes 25 on the outer sides of the upper base 7 and the lower base 8, at the moment, the two driving rods 12 approach each other, meanwhile, the elastic piece 24 between the two driving rods 12 is compressed, the other ends of the driving rods 12 slide in cavities 23 of the upper clamp 9 and the lower clamp 10, meanwhile, the protruding blocks 18 can approach each other and then are separated from the clamping grooves 19, a worker can pull the upper clamp 9 or the lower clamp 10 to separate the driving rods 12 from the cavities 23, so that the upper clamp 9 is separated from the upper base 7 or the lower clamp 10 is separated from the lower base 8, the upper clamp 9 or the lower clamp 10 can be timely replaced when damaged, and the first limiting sleeve 21 and the second limiting sleeve 22 are sleeved at two ends of the elastic piece 24, when the elastic element 24 is compressed, the first limiting sleeve 21 slides in the second limiting sleeve 22, so that the elastic element 24 can be prevented from being bent in the stretching process, and the service life of the elastic element 24 is prolonged.

When the replaced upper clamp 9 or lower clamp 10 is connected with the upper base 7 or lower base 8, the two driving rods 12 are pressed, at the moment, the elastic piece 24 between the driving rods 12 is compressed, the lug 18 is inserted into the cavity 23 of the upper clamp 9 and the lower clamp 10, when the lug 18 is inserted to the position corresponding to the clamping groove 19, a worker releases the driving rods 12, so that the driving rods 12 are clamped into the through holes 25 under the elastic action of the elastic piece 24, when the driving rods 12 extend out of the through holes 25, the clamping plate 20 with the diameter larger than that of the through holes 25 can be clamped at the outer side of the through holes 25 to prevent the driving rods 12 from retracting automatically, an anti-skidding sleeve is sleeved at the outer side of the clamping plate 20 to increase the friction force between a hand and the clamping plate 20, so that the worker can drive the clamping plate 20 conveniently, and simultaneously, the lug 18 can be clamped into the clamping groove 19 communicated with the cavity 23 under the elastic action of the elastic piece 24, so that the upper, the convenient last anchor clamps 9 or lower anchor clamps 10 to the damage in time change to can improve the machining efficiency and the tensile test's of tensile machine body accuracy, realize that anchor clamps 9 and lower anchor clamps 10 and last base 7 and lower base 8 between be connected more firmly, improve machining efficiency and tensile test's accuracy.

The motor 4 on the fixed seat 1 is a servo motor, can control the stretching speed of the stretching cylinder 6 and can control the lifting speed of the transverse lifting plate 3 at the same time, the motor 4 is driven to stretch the stretching cylinder 6, and the transverse lifting plate 3 connected with the stretching cylinder 6 slides in the sliding groove 5 on the supporting arm 2, so that the transverse lifting plate 3 can drive the upper clamp 9 to move up and down, then a tension test is carried out on a workpiece to be detected, the transverse lifting plate 3 is convenient to lift, and the accuracy of the tension test is improved; when a workpiece needing to be tested is placed in the clamping cavity 15 by a worker, the rubber pad 16 with good compressibility, abrasion resistance and elongation force is fixedly bonded in the clamping cavity 15, when the workpiece is clamped in the rubber pad 16, the rubber pad 16 can tightly clamp the workpiece and has large friction force, meanwhile, the magnets 17 in the first clamping portion 13 and the second clamping portion 14 can be mutually adsorbed, the first clamping portion 13 and the second clamping portion 14 move oppositely and can be tightly clamped, the workpiece is prevented from falling from the clamping cavity 15 to influence the detection accuracy, the workpiece is conveniently subjected to tension detection, the processing efficiency is improved, and the testing accuracy of the tensile machine body is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel tensile machine, includes the tensile machine body, the tensile machine body includes fixing base (1) and sets up perpendicularly support arm (2), two at fixing base (1) both ends be provided with horizontal lifter plate (3), its characterized in that between support arm (2): the lifting device is characterized in that a lower clamp (10) is arranged on the fixing seat (1), an upper clamp (9) corresponding to the lower clamp (10) is arranged on the transverse lifting plate (3), an upper base (7) is arranged at one end, close to the transverse lifting plate (3), of the upper clamp (9), a lower base (8) is arranged at one end, close to the fixing seat (1), of the lower clamp (10), L-shaped driving rods (12) are symmetrically arranged on the upper clamp (9) and the lower clamp (10), an elastic part (24) is connected between the two driving rods (12), convex blocks (18) are fixedly connected to the two driving rods (12), cavities (23) for the driving rods (12) to move are arranged in the upper clamp (9) and the lower clamp (10), and clamping grooves (19) for the convex blocks (18) to be clamped into are arranged on the inner wall of the cavities (23), go up the inside of base (7) and lower base (8) and all be provided with and be used for placing chamber (11) that hold of actuating lever (12), the confession has all been seted up in the outside of going up base (7) and lower base (8) through-hole (25) that the actuating lever (12) stretches out, through-hole (25) with hold chamber (11) and communicate with each other.

2. A new tensile machine as claimed in claim 1, wherein: one end, extending out of the driving rod (12), of the clamping plate (20), and the diameter of the clamping plate (20) is larger than that of the through hole (25).

3. A new tensile machine as claimed in claim 2, wherein: the outer side of the clamping plate (20) is sleeved with an anti-skidding sleeve.

4. A new tensile machine as claimed in claim 1, wherein: two the symmetry is provided with first stop collar (21) and second stop collar (22) on actuating lever (12), first stop collar (21) and second stop collar (22) are all established the both ends of elastic component (24).

5. A new tensile machine as claimed in claim 1, wherein: offer the confession on support arm (2) horizontal lifter plate (3) gliding sliding tray (5), be connected with telescopic cylinder (6) on fixing base (1), telescopic cylinder (6) keep away from the one end of fixing base (1) with horizontal lifter plate (3) fixed connection.

6. The novel tensile machine as claimed in claim 5, wherein: the fixing seat (1) is provided with a motor (4), and the telescopic cylinder (6) is connected with an output shaft of the motor (4).

7. A new tensile machine as claimed in claim 1, wherein: the upper clamp (9) and the lower clamp (10) are both provided with a first clamping portion (13) and a second clamping portion (14), a clamping cavity (15) is formed between the first clamping portion (13) and the second clamping portion (14), and a rubber pad (16) is arranged inside the clamping cavity (15).

8. A new pulling machine as defined in claim 7, wherein: magnets (17) are arranged in the first clamping part (13) and the second clamping part (14).