CN218847808U

CN218847808U - Tension tester

Info

Publication number: CN218847808U
Application number: CN202222833810.8U
Authority: CN
Inventors: 戈昕; 严泽军; 季娟; 张晓源
Original assignee: Microteck Changzhou Product Services Co ltd
Current assignee: Microteck Changzhou Product Services Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-11
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a tensile testing machine, which comprises a base, wherein the upper end of the base is symmetrically connected with a side plate, one side corresponding to the side plate is provided with a connecting groove, the upper end of the side plate is connected with a top plate, the upper end of the top plate is symmetrically connected with a motor, the output end of the motor is connected with a lead screw, the lead screw penetrates through the top plate and extends into the connecting groove, the upper end of the base is connected with a second clamping piece and a movable plate, and the second clamping piece is positioned at the lower end of the movable plate and between the side plates; the upper end of the movable plate is connected with a tension meter, the left and right of the movable plate are connected with threaded sleeves in threaded connection with the screw rod, and the lower end of the movable plate is connected with a first clamping piece; the utility model discloses a first folder and the second folder that set up are convenient for carry out the centre gripping to the material of equidimension not to carry out the tensile test.

Description

Tension tester

Technical Field

The utility model relates to a tensile testing machine technical field specifically is a tensile testing machine.

Background

The tension tester is also called a universal material tester. The universal tester is a tester for applying mechanical stress for testing the static load, tension, compression, bending, shearing, tearing, peeling and other mechanical properties of various materials, is suitable for testing various physical and mechanical properties of plastic plates, pipes, profiled bars, plastic films, rubber, electric wires, cables, steel, glass fiber and other materials, and is an indispensable detection device for material development, physical property test, teaching research, quality control and the like. The tensile testing machine can set up the movable beam usually, sets up the pulling force on the movable beam and assists the utensil and be used for the centre gripping by survey sample to test, and traditional tensile testing machine is driven from the middle part of movable beam, and such drive mode makes the movable beam shake or slope easily, leads to the test data inaccurate.

In order to solve the above problems, a tensile testing machine disclosed in chinese patent No. CN207472660U includes: a base; a fixing frame assembled on the base; the movable cross beam is assembled with the fixed frame and is arranged parallel to the ground; the driving component is assembled on the base and used for synchronously driving two ends of the movable cross beam so as to enable the movable cross beam to keep a horizontal state and move in the height direction; the tensile auxiliary tool is assembled on the movable cross beam and used for clamping the sample to be measured; and the sensing module is assembled on the driving assembly and used for collecting tension data during tension test.

According to the scheme, the two ends of the movable cross beam are synchronously driven through the driving assembly, the movable cross beam is not easy to incline and shake, the tension testing machine is more stable in tension testing, the data measured by the induction module can be more accurate, and the testing precision is improved. The material is stretched by the tensile testing machine, and when the mechanical property of the material is detected, the wedge block is driven to clamp a to-be-detected piece by arranging the spring above the tensile testing machine, and then the tensile testing machine is started to stretch a to-be-detected sample, so that the sample can be detected. However, the clamp is limited by the size of the clamp, the type of the spring which can be installed on the clamp is limited, the force which can be provided by the spring is limited, and for some materials with stronger elasticity such as rubber materials, the material can generate larger deformation in the process of a tensile test, and the spring has elasticity, so that the gap between the material and the clamp can be increased after the material generates deformation, and the clamp is easy to cause the piece to be detected to fall off from the clamp in the detection process.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides a tensile testing machine, which comprises a base, wherein the upper end of the base is symmetrically connected with a side plate, one side corresponding to the side plate is provided with a connecting groove, the upper end of the side plate is connected with a top plate, the upper end of the top plate is symmetrically connected with a motor, the output end of the motor is connected with a lead screw, the lead screw penetrates through the top plate and extends into the connecting groove, the upper end of the base is connected with a second clamping piece and a movable plate, the second clamping piece is positioned at the lower end of the movable plate and positioned between the side plates, the second clamping piece comprises a connecting plate, and the upper end of the connecting plate is symmetrically connected with an adjustable clamping plate; the utility model discloses a clamping device, including fly leaf, clamping plate, clamping block, clamping plate right side, fly leaf upper end is connected with the tensiometer, twice all are connected with the screw thread sleeve with lead screw threaded connection about the fly leaf, the fly leaf lower extreme is connected with first folder, first folder includes the connecting piece of being connected with the fly leaf, the connecting piece lower extreme is connected with the grip block, the terminal surface is equipped with the centre gripping groove under the grip block, the grip block right side is equipped with two-way screw thread axle, two-way screw thread axle runs through the grip block outer wall and stretches into to the centre gripping inslot portion, the outer wall symmetric connection that two-way screw thread axle is located the centre gripping inslot portion has the clamp splice.

Preferably, the upper end of the clamping groove is connected with an adjusting groove with a convex-shaped cross section, and the adjusting groove is communicated with the clamping groove.

Preferably, the upper end of the clamping block is connected with an adjusting block matched with the adjusting groove.

Preferably, the upper end face of the connecting plate is provided with sliding chutes in bilateral symmetry, and the inner walls of the sliding chutes in the front and the back twice are symmetrically provided with a plurality of communicated limiting holes.

Preferably, the lower end of the clamping plate is connected with a sliding block matched with the sliding groove, step holes are formed in the front portion and the rear portion of the sliding block twice, a spring is connected to the inner portion of each step hole, the other end of the spring is connected with a telescopic block, and one end, extending out of the step holes, of the telescopic block is matched with the limiting hole.

Preferably, a threaded hole is formed in one end face, extending into the limiting hole, of the telescopic block.

Preferably, the connecting plate is symmetrically provided with a plurality of threaded bolts in the front and back direction, and the threaded bolts extend into the limiting holes to be connected with the threaded holes.

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

the utility model discloses a remove splint, splint drive slider are at the inside removal of spout to be convenient for carry on spacingly according to the size of material, spacing in-process, the step hole that sets up on the slider corresponds with spacing hole, and the spring is kick-backed, drives flexible piece and stretches into to spacing downthehole portion, carries on spacingly, is connected through the screw hole that sets up on threaded bolt and the flexible piece, thereby fixes, cooperates first folder, thereby realizes carrying out the centre gripping to the material of equidimension not, the tensile test of being convenient for.

Drawings

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

fig. 2 is a schematic front sectional structural view of the first clip of the present invention;

fig. 3 is a schematic side sectional view of a second clip according to the present invention;

fig. 4 is a schematic diagram of a cross-sectional structure of the slider according to the present invention.

In the figure: 1. a base; 2. a movable plate; 3. a first clamp member; 4. a second clamp; 11. a side plate; 12. a top plate; 13. a motor; 111. connecting grooves; 131. a screw rod; 21. a tension meter; 22. a threaded sleeve; 31. a connecting member; 32. a clamping plate; 33. a bidirectional threaded shaft; 34. a clamping block; 321. a clamping groove; 322. an adjustment groove; 341. an adjusting block; 41. a splint; 42. a connecting plate; 43. a slider; 44. a threaded bolt; 421. a limiting hole; 422. a chute; 431. a telescopic block; 432. a stepped bore; 433. a spring; 434. a threaded bore.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

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

Example one

Referring to fig. 1-4, the utility model provides a tensile testing machine, including base 1, the upper end of base 1 is connected with side plate 11 symmetrically, one side that side plate 11 corresponds is equipped with spread groove 111, the upper end of side plate 11 is connected with roof 12, the upper end of roof 12 is connected with motor 13 symmetrically, the output end of motor 13 is connected with lead screw 131, lead screw 131 runs through roof 12 and stretches into the inside of spread groove 111, the upper end of base 1 is connected with second folder 4 and movable plate 2, second folder 4 is located the lower extreme of movable plate 2, and is located between side plate 11, second folder 4 includes connecting plate 42, the upper end of connecting plate 42 is connected with adjustable splint 41 symmetrically; the upper end of the movable plate 2 is connected with a tension meter 21, the left and right of the movable plate 2 are connected with threaded sleeves 22 in threaded connection with a screw rod 131, the lower end of the movable plate 2 is connected with a first clamping piece 3, the first clamping piece 3 comprises a connecting piece 31 connected with the movable plate 2, the lower end of the connecting piece 31 is connected with a clamping plate 32, the lower end face of the clamping plate 32 is provided with a clamping groove 321, the right side of the clamping plate 32 is provided with a bidirectional threaded shaft 33, the bidirectional threaded shaft 33 penetrates through the outer wall of the clamping plate 32 and extends into the clamping groove 321, and clamping blocks 34 are symmetrically connected to the outer wall of the bidirectional threaded shaft 33, which is positioned in the clamping groove 321; the utility model discloses a first folder 3 and the second folder 4 that set up are convenient for carry out the centre gripping to the material of equidimension not to carry out the tensile test.

Please refer to fig. 1-4 again, the upper end of the clamping groove 321 is connected with an adjusting groove 322 with a cross section in a convex shape, the adjusting groove 322 is communicated with the clamping groove 321, the upper end of the clamping block 34 is connected with an adjusting block 341 engaged with the adjusting groove 322, the upper end surface of the connecting plate 42 is symmetrically provided with sliding grooves 422 at left and right sides, the inner walls of the front and back two times of the sliding grooves 422 are symmetrically provided with a plurality of communicated limiting holes 421, the lower end of the clamping plate 41 is connected with a sliding block 43 engaged with the sliding grooves 422, the front and back two times of the sliding block 43 are both provided with stepped holes 432, a spring 433 is connected inside the stepped hole 432, the other end of the spring 433 is connected with a telescopic block 431, one end of the telescopic block 431 extending out of the stepped hole 432 is engaged with the limiting hole 421, one end surface of the telescopic block 431 extending into the limiting hole 421 is provided with a threaded hole 434, the connecting plate 42 is symmetrically provided with a plurality of threaded bolts 44 extending into the limiting hole 421, and connected with the threaded hole 434; through movable clamp plate 41, splint 41 drives slider 43 at the inside removal of spout 422, thereby be convenient for carry on spacingly according to the size of material, spacing in-process, the step hole 432 that sets up on the slider 43 corresponds with spacing hole 421, spring 433 kick-backs, it stretches into to spacing hole 421 insidely to drive flexible piece 431, carry on spacingly, be connected through the screw hole 434 that sets up on threaded bolt 44 and the flexible piece 431, thereby fix, cooperate first folder 3, thereby realize carrying out the centre gripping to the material of equidimension not, the tensile test of being convenient for.

The embodiment of the utility model provides a concrete operation mode as follows:

when the material clamping device is used, firstly, the clamping plate 41 is moved, the clamping plate 41 drives the sliding block 43 to move inside the sliding groove 422, so that the limiting is performed according to the size of a material, in the limiting process, the stepped hole 432 formed in the sliding block 43 corresponds to the limiting hole 421, the spring 433 rebounds to drive the telescopic block 431 to extend into the limiting hole 421 for limiting, the threaded bolt 44 is connected with the threaded hole 434 formed in the telescopic block 431 to fix the material, then the motor 13 is started, the motor 13 drives the lead screw 131 to rotate, so that the movable plate 2 moves, the distance between the first clamping piece 3 and the second clamping piece 4 is adjusted, the motor 13 is closed, the material is located inside the clamping groove 321 and located between the clamping blocks 34, then the bidirectional threaded shaft 33 is rotated, the clamping blocks 34 move on one side of the material on the bidirectional threaded shaft 33, meanwhile, the adjusting block 341 is driven to move inside the adjusting groove 322 to clamp and fix the material, after the fixing is completed, the motor 13 is started, the motor 13 drives the movable plate 2 to move upwards, and accordingly, and a tension test is performed on the material.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. A tensile testing machine is characterized in that: the clamping device comprises a base (1), side plates (11) are symmetrically connected to the upper end of the base (1), a connecting groove (111) is formed in one side, corresponding to each side plate (11), a top plate (12) is connected to the upper end of each side plate (11), a motor (13) is symmetrically connected to the upper end of each top plate (12), the output end of each motor (13) is connected with a lead screw (131), each lead screw (131) penetrates through each top plate (12) and extends into the corresponding connecting groove (111), a second clamping piece (4) and a movable plate (2) are connected to the upper end of the base (1), the second clamping piece (4) is located at the lower end of each movable plate (2) and located between the side plates (11), each second clamping piece (4) comprises a connecting plate (42), and an adjustable clamping plate (41) is symmetrically connected to the upper end of each connecting plate (42); the utility model discloses a clamping device, including fly leaf (2), lead screw (131), connecting piece (31) are connected with lead screw (2), fly leaf (2) lower extreme is connected with first folder (3), first folder (3) are including connecting piece (31) of being connected with fly leaf (2) about fly leaf (2) twice, connecting piece (31) lower extreme is connected with grip block (32), terminal surface is equipped with centre gripping groove (321) under grip block (32), grip block (32) right side is equipped with two-way threaded shaft (33), two-way threaded shaft (33) run through inside grip block (32) outer wall stretches into to centre gripping groove (321), two-way threaded shaft (33) are located the inside outer wall symmetric connection of centre gripping groove (321) and have clamp splice (34).

2. The tensile testing machine of claim 1, wherein: the upper end of the clamping groove (321) is connected with an adjusting groove (322) with a convex-shaped cross section, and the adjusting groove (322) is communicated with the clamping groove (321).

3. The tensile testing machine of claim 1, wherein: the upper end of the clamping block (34) is connected with an adjusting block (341) matched with the adjusting groove (322).

4. The tensile testing machine of claim 1, wherein: the upper end face of the connecting plate (42) is bilaterally symmetrically provided with sliding grooves (422), and the front inner wall and the rear inner wall of each sliding groove (422) are symmetrically provided with a plurality of communicated limiting holes (421).

5. The tensile testing machine of claim 1, wherein: splint (41) lower extreme is connected with slider (43) that spout (422) agree with, slider (43) are all equipped with step hole (432) twice around, step hole (432) internal connection has spring (433), spring (433) other end is connected with flexible piece (431), the one end that flexible piece (431) stretched out step hole (432) agrees with spacing hole (421).

6. The tensile testing machine of claim 5, wherein: one end face of the telescopic block (431) extending into the limiting hole (421) is provided with a threaded hole (434).

7. The tensile testing machine of claim 1, wherein: the connecting plate (42) is symmetrically provided with a plurality of threaded bolts (44) in the front and back direction, and the threaded bolts (44) extend into the limiting holes (421) and are connected with the threaded holes (434).