CN220794933U

CN220794933U - Elasticity testing machine

Info

Publication number: CN220794933U
Application number: CN202322542125.4U
Authority: CN
Inventors: 廖红英
Original assignee: Dongguan Huida Instrument Co ltd
Current assignee: Dongguan Huida Instrument Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-16
Anticipated expiration: 2033-09-18

Abstract

The utility model belongs to the technical field of testing, and particularly relates to an elastic testing machine, which comprises a base, wherein a movable hole is formed in the base in a penetrating manner, a limiting mechanism for fixing a product to be tested is arranged in the movable hole, one side of the limiting mechanism extends out of the movable hole, the other side of the limiting mechanism is connected with a rotating hand wheel, the rotating hand wheel drives the limiting mechanism to do linear motion in the movable hole, one side of the limiting mechanism is provided with a fixing mechanism connected with the base, the fixing mechanism is matched with the limiting mechanism to fix the product to be tested on the base, a sector plate fixing seat is arranged above the base, and an impact mechanism and a reading mechanism are arranged on the sector plate fixing seat; the utility model can clamp and fix the test article, effectively fix the test article on the base, further realize the test of the test article, avoid vibration displacement, ensure the true and accurate test result and effectively improve the test efficiency.

Description

Elasticity testing machine

Technical Field

The utility model belongs to the technical field of testing, and particularly relates to an elasticity testing machine.

Background

The elastic test article is a high-elasticity polymer material with reversible deformation, and the elastic test article is widely applied to various industrial or life aspects. The elastic test article is rich in elasticity, and the impact head can bounce back to certain height after striking the elastic test article, and some use scenes (such as sealing) need the elastic test article have better resilience performance, and when current elasticity test to the elastic test article is returned to elasticity, when the elasticity test article is tested to elasticity resilience performance, the test article is fixed on the testboard, and after the operator makes the adjustment, unclamp the pendulum rod for the impact head beats same position on the test article. In actual operation, the traditional test article clamping device clamps the test article not firmly enough, and vibration displacement easily occurs when the impact head is knocked, and the test effect is affected.

Disclosure of utility model

The utility model aims to provide an elasticity testing machine, which aims to solve the technical problems that a test article clamping device is not firm enough for clamping a test article, vibration displacement is easy to occur when an impact head is knocked, and the testing effect is influenced in the prior art.

In order to achieve the above object, an embodiment of the present utility model provides an elastic testing machine, which includes a base, a movable hole is provided in the base in a penetrating manner, a limiting mechanism for fixing a product to be tested is provided in the movable hole, one side of the limiting mechanism extends out of the movable hole, the other side of the limiting mechanism is connected with a rotating hand wheel, the rotating hand wheel drives the limiting mechanism to do linear motion in the movable hole, one side of the limiting mechanism is provided with a fixing mechanism connected with the base, the fixing mechanism cooperates with the limiting mechanism to fix the product to be tested on the base, a sector plate fixing seat is provided above the base, and an impact mechanism and a reading mechanism are provided on the sector plate fixing seat.

Optionally, the stop gear include with rotate the screw rod that the hand wheel is connected, the screw rod is kept away from rotate hand wheel one end and be connected with the jack-prop, the other end of jack-prop is connected with the test block fixed plate.

Optionally, a sleeve is arranged between the top column and the test piece fixing plate, and one end, far away from the sleeve, of the test piece fixing plate is connected with a test piece blocking piece.

Optionally, the jack-prop bottom surface is connected with the slider, set up in the movable hole with slider complex spout, slider activity joint in the spout, just the slider is in reciprocating motion in the spout.

Optionally, the fixed establishment include with the fixed block that the base is connected, rotate on the fixed block and be connected with the test block pillar, be provided with a set of separation blade on the test block pillar, still be provided with on the test block pillar and drive the test block pillar is in pivoted push rod in the fixed block.

Optionally, two separation blades are located between the fixed block, a plurality of mounting grooves are formed in the test piece support, and the two separation blades are mounted in the mounting grooves respectively.

Optionally, the impact mechanism includes with the axis of rotation that the sector plate fixing base is connected, rotate on the axis of rotation and be connected with the impact tube adapter sleeve, be connected with the impact tube on the impact tube adapter sleeve, the impact tube is kept away from impact tube adapter sleeve one end is connected with the impact block, the bottom surface of impact block is connected with the impact head.

Optionally, the fan-shaped plate fixing base rear end face is provided with the location fixed block, swing joint has the location fixed axle in the location fixed block, location fixed axle one end is connected with the pull rod, the last joint groove of having seted up of location fixed axle, impact tube butt in on the joint groove of location fixed axle.

Optionally, the reading mechanism include with the sector plate that the sector plate fixing base is connected, the terminal surface is connected with the arc calibrated scale before the sector plate, sector plate fixing base top is connected with the pointer fixed block, it is connected with the pointer to rotate on the pointer fixed block, pointer one end articulates on the pointer fixed block, the pointer other end points to the arc calibrated scale, the terminal surface still sets up the pointer baffle before the sector plate.

Optionally, the pointer fixed block is connected with a pointer rotating shaft, the pointer is connected to the pointer rotating shaft, and a pointer limiting ring is further arranged on the pointer rotating shaft.

The above technical solutions in the elasticity testing machine provided by the embodiments of the present utility model have at least one of the following technical effects:

According to the elastic testing machine provided by the embodiment of the utility model, through the cooperation among the limiting mechanism, the fixing mechanism, the impact mechanism and the reading mechanism, when a test product is tested, firstly, the test product is placed between the limiting mechanism and the fixing mechanism, then the rotating hand wheel is rotated, the rotating hand wheel drives the limiting mechanism to do linear motion in the movable hole, so that the limiting mechanism is close to the fixing mechanism, under the cooperation of the limiting mechanism and the fixing mechanism, the test product can be clamped and fixed, the test product is effectively fixed on the base, further, the test product is tested, vibration displacement is avoided, the true and accurate test result is ensured, the test efficiency is effectively improved, after the test product is fixed, the impact mechanism is loosened, the impact mechanism is enabled to beat on the test product, the corresponding position can be visually seen through the reading mechanism, the impact rebound test reading is obtained, the rebound resilience performance of the test product is effectively obtained, the test time is short, and the work efficiency is accelerated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an elasticity testing machine according to an embodiment of the present utility model;

FIG. 2 is a partial cross-sectional view of an elasticity testing machine provided by an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a fixing mechanism of an elasticity testing machine according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of an impact mechanism and a reading mechanism of the elasticity testing machine according to the embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. A base; 11. a movable hole; 12. sector plate fixing seat

20. A limiting mechanism; 21. rotating a hand wheel; 22. a screw; 23. a top column; 24. a test piece fixing plate; 25. a sleeve; 26. a test piece baffle; 27. a slide block; 28. sliding chute

30. A fixing mechanism; 31. a fixed block; 32. a test piece support; 33. a baffle; 34. a push rod; 35. mounting groove

40. An impact mechanism; 41. a rotating shaft; 42. an impact tube connecting sleeve; 43. an impingement tube; 44. an impact block; 45. an impact head; 46. positioning a fixed block; 47. positioning a fixed shaft; 48. a pull rod; 49. clamping groove

50. A reading mechanism; 51. a sector plate; 52. an arc dial; 53. a pointer fixing block; 54. a pointer; 55. a pointer baffle; 56. a pointer rotation shaft; 57. pointer limiting ring

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1-4, an elastic testing machine is provided, and the elastic testing machine comprises a base 10, wherein a movable hole 11 is formed in the base 10 in a penetrating manner, a limiting mechanism 20 for fixing a product to be tested is arranged in the movable hole 11, one side of the limiting mechanism 20 extends out of the movable hole 11, the other side of the limiting mechanism 20 is connected with a rotating hand wheel 21, the rotating hand wheel 21 drives the limiting mechanism 20 to do linear motion in the movable hole 11, one side of the limiting mechanism 20 is provided with a fixing mechanism 30 connected with the base 10, the fixing mechanism 30 is matched with the limiting mechanism 20 to fix the product to be tested on the base 10, a sector plate fixing seat 12 is arranged above the base 10, and an impact mechanism 40 and a reading mechanism 50 are arranged on the sector plate fixing seat 12. According to the elastic testing machine provided by the embodiment of the utility model, when a test product is tested, the test product is firstly placed between the limiting mechanism 20 and the fixing mechanism 30, then the rotating hand wheel 21 is rotated, the rotating hand wheel 21 drives the limiting mechanism 20 to do linear motion in the movable hole 11, so that the limiting mechanism 20 is close to the fixing mechanism 30, the test product can be clamped and fixed under the cooperation of the limiting mechanism 20 and the fixing mechanism 30, the test product is effectively fixed on the base 10, the test product is further tested, vibration displacement is avoided, the test result is ensured to be truly and accurately, the test efficiency is effectively improved, the impact mechanism 40 is loosened after the test product is fixed, the impact mechanism 40 is knocked onto the test product, the corresponding position can be intuitively seen through the reading mechanism 50, the impact rebound test reading is accelerated, the rebound resilience performance of the test product is effectively obtained, the test time is short, and the work efficiency is high.

It will be appreciated that, since the spacing between the spacing mechanism 20 and the fixing mechanism 30 can be adjusted, it is convenient to clamp and fix test articles with different widths.

In another embodiment of the present utility model, as shown in fig. 2, the limiting mechanism 20 includes a screw 22 connected to the rotating hand wheel 21, one end of the screw 22 away from the rotating hand wheel 21 is connected to a jack post 23, and the other end of the jack post 23 is connected to a test strip fixing plate 24. A sleeve 25 is disposed between the top post 23 and the test piece fixing plate 24, and one end of the test piece fixing plate 24 away from the sleeve 25 is connected with a test piece blocking piece 26. Through the rotation hand wheel 21, thereby the rotation hand wheel 21 drives the screw 22 rotates, and then drives the jack-prop 23 is in the activity hole 11 is rectilinear motion, thereby drives test piece fixed plate 24 and test piece separation blade 26 will test piece on the base 10 is fixed.

In this embodiment, the bottom surface of the top post 23 is connected with a sliding block 27, a sliding groove 28 matching with the sliding block 27 is provided in the movable hole 11, the sliding block 27 is movably clamped in the sliding groove 28, and the sliding block 27 reciprocates in the sliding groove 28. Through the cooperation between the sliding block 27 and the sliding groove 28, the sliding block 27 reciprocates left and right in the sliding groove 28 in the process that the top column 23 moves linearly in the movable hole 11, so that the top column 23 moves horizontally in the movable hole 11.

In another embodiment of the present utility model, as shown in fig. 3, the fixing mechanism 30 includes a fixing block 31 connected to the base 10, a test piece support column 32 is rotatably connected to the fixing block 31, a set of blocking pieces 33 are disposed on the test piece support column 32, and a push rod 34 driving the test piece support column 32 to rotate in the fixing block 31 is further disposed on the test piece support column 32. The two blocking pieces 33 are located between the fixing blocks 31, a plurality of mounting grooves 35 are formed in the test piece support 32, and the two blocking pieces 33 are respectively mounted in the mounting grooves 35. Through fixed block 31 test block pillar 32 the separation blade 33 and cooperation between the push rod 34, works as the laboratory product is placed in when the base 10, through promoting push rod 34, push rod 34 drives test block pillar 32 rotates in the fixed block 31, and then will separation blade 33 rotates the butt to the side of test product, through separation blade 33 is fixed a position the test product, has promoted the degree of accuracy of elasticity testing machine impact test.

In another embodiment of the present utility model, as shown in fig. 4, the impact mechanism 40 includes a rotating shaft 41 connected to the fixing base of the fan-shaped plate 51, an impact tube connecting sleeve 42 is rotatably connected to the rotating shaft 41, an impact tube 43 is connected to the impact tube connecting sleeve 42, an impact block 44 is connected to an end of the impact tube 43 away from the impact tube connecting sleeve 42, and an impact head 45 is connected to a bottom surface of the impact block 44. In this embodiment, one end of the impact head 45 is disposed in a columnar structure, and the other end of the impact head 45 is disposed in a conical structure. When the impact mechanism 40 is vertical, the impact mechanism 40 can lightly contact the surface of the test article, after the test article is fixed, the impact tube 43 is lifted up to be parallel to the horizontal plane, and the impact tube 43 is put down to fall freely, so that the impact head 45 can rebound after impacting the test article.

In another embodiment of the present utility model, as shown in fig. 2 and 4, the reading mechanism 50 includes a sector plate 51 connected to the sector plate fixing seat 12, an arc dial 52 is connected to a front end surface of the sector plate 51, a pointer fixing block 53 is connected above the sector plate fixing seat 12, a pointer 54 is rotatably connected to the pointer fixing block 53, one end of the pointer 54 is hinged to the pointer fixing block 53, the other end of the pointer 54 points to the arc dial 52, and a pointer baffle 55 is further disposed on the front end surface of the sector plate 51. The pointer fixing block 53 is connected with a pointer rotating shaft 41, the pointer 54 is connected to the pointer rotating shaft 41, and the pointer rotating shaft 41 is further provided with a pointer 54 limiting ring 57. The impact head 45 circularly impacts the test article, and the pointer 54 rotates in the impact process, so that the corresponding position can be visually seen to obtain impact rebound test readings, the force applied to the test article in the test process and the test data of displacement deformation are recorded, and the rebound resilience of the bottom of the test article can be detected and evaluated.

And according to the standard requirement, the test article is subjected to multiple impacts. The values of the multiple rebound are converted into rebound values expressed in percentage, and the median value of the values is the rebound value of the test article.

In this embodiment, the rear end surface of the fan-shaped plate fixing seat 12 is provided with a positioning fixing block 46, a positioning fixing shaft 47 is movably connected in the positioning fixing block 46, one end of the positioning fixing shaft 47 is connected with a pull rod 48, a clamping groove 49 is formed in the positioning fixing shaft 47, and the impact tube 43 is abutted to the clamping groove 49 of the positioning fixing shaft 47. Through the cooperation among the positioning fixing block 46, the positioning fixing shaft 47 and the pull rod 48, when the impact tube 43 and the base 10 are in a horizontal state, the impact tube 43 is abutted against the clamping groove 49 of the positioning fixing shaft 47, so that the impact tube 43 is horizontally fixed; when an experiment is needed, the pull rod 48 is pulled to move leftwards, so that the positioning fixing shaft 47 is driven to move leftwards in the positioning fixing block 46, and the impact tube 43 is further separated from the positioning groove, so that the impact head 45 impacts the test article.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an elasticity testing machine, its characterized in that, includes base (10), run through in base (10) and seted up movable hole (11), be provided with in movable hole (11) and be used for fixed stop gear (20) of waiting to test the product, stop gear (20) one side is extended movable hole (11), the opposite side of stop gear (20) is connected with rotates hand wheel (21), rotate hand wheel (21) drive stop gear (20) are in linear motion in movable hole (11), stop gear (20) one side be provided with fixed establishment (30) that base (10) are connected, fixed establishment (30) cooperation stop gear (20) are in to wait to test the product on base (10), base (10) top is provided with sector plate fixing base (12), be provided with impact mechanism (40) and reading mechanism (50) on sector plate fixing base (12).

2. The elasticity testing machine according to claim 1, wherein the limiting mechanism (20) comprises a screw rod (22) connected with the rotating hand wheel (21), one end, away from the rotating hand wheel (21), of the screw rod (22) is connected with a jacking column (23), and the other end of the jacking column (23) is connected with a test piece fixing plate (24).

3. The elasticity testing machine of claim 2, wherein a sleeve (25) is disposed between the top post (23) and the test piece fixing plate (24), and one end of the test piece fixing plate (24) away from the sleeve (25) is connected with a test piece blocking piece (26).

4. The elasticity testing machine according to claim 3, wherein the bottom surface of the top column (23) is connected with a sliding block (27), a sliding groove (28) matched with the sliding block (27) is formed in the movable hole (11), the sliding block (27) is movably clamped in the sliding groove (28), and the sliding block (27) reciprocates in the sliding groove (28).

5. The elasticity testing machine of any of claims 1-4, wherein the fixing mechanism (30) comprises a fixing block (31) connected with the base (10), a test piece support (32) is rotatably connected to the fixing block (31), a set of blocking pieces (33) are arranged on the test piece support (32), and a push rod (34) for driving the test piece support (32) to rotate in the fixing block (31) is further arranged on the test piece support (32).

6. The elasticity testing machine of claim 5, wherein two blocking pieces (33) are located between the fixing blocks (31), a plurality of mounting grooves (35) are formed in the test piece support (32), and the two blocking pieces (33) are respectively mounted in the mounting grooves (35).

7. The elasticity testing machine of any of claims 1-4, wherein the impact mechanism (40) comprises a rotating shaft (41) connected with the sector plate fixing seat (12), an impact pipe connecting sleeve (42) is rotatably connected to the rotating shaft (41), an impact pipe (43) is connected to the impact pipe connecting sleeve (42), an impact block (44) is connected to one end, away from the impact pipe connecting sleeve (42), of the impact pipe (43), and an impact head (45) is connected to the bottom surface of the impact block (44).

8. The elasticity testing machine of claim 7, wherein a positioning fixing block (46) is arranged on the rear end face of the fan-shaped plate fixing seat (12), a positioning fixing shaft (47) is movably connected in the positioning fixing block (46), one end of the positioning fixing shaft (47) is connected with a pull rod (48), a clamping groove (49) is formed in the positioning fixing shaft (47), and the impact tube (43) is abutted to the clamping groove (49) of the positioning fixing shaft (47).

9. The elasticity testing machine of any one of claims 1-4, wherein the reading mechanism (50) comprises a sector plate (51) connected with the sector plate fixing seat (12), an arc dial (52) is connected to the front end face of the sector plate (51), a pointer fixing block (53) is connected above the sector plate fixing seat (12), a pointer (54) is rotatably connected to the pointer fixing block (53), one end of the pointer (54) is hinged to the pointer fixing block (53), the other end of the pointer (54) points to the arc dial (52), and a pointer baffle (55) is further arranged on the front end face of the sector plate (51).

10. The elasticity testing machine of claim 9, wherein the pointer fixing block (53) is connected with a pointer rotating shaft (41), the pointer (54) is connected to the pointer rotating shaft (41), and a pointer limiting ring (57) is further arranged on the pointer rotating shaft (41).