CN213875321U - Object stage device of friction wear testing machine - Google Patents

Abstract

The utility model discloses an objective table device of a friction wear testing machine, which comprises a workbench, a placing groove, side supporting plates and a slide bar component, wherein the placing groove is arranged at the center of the upper end of the workbench, the side supporting plates are arranged at the two sides of the placing groove at the upper end of the workbench, a slide block component for carrying out wear test on articles is arranged in the placing groove between the side supporting plates, and the slide block component is connected with a driving component which is arranged in the workbench and used for controlling the repeated motion of the slide block component; through setting up the gag lever post in sliding block set spare both sides, the gag lever post other end passes through metal spring and collateral branch board swing joint, carries out the during operation at sliding block set spare, can drive the metal spring shrink through the gag lever post, and the impact force that buffering sliding block set spare work drove, its other end makes sliding block set spare produce inertial force through metal spring's drawing simultaneously, avoids the dead condition of card to appear in the testing machine, safe and reliable, swift high efficiency.

Description

Object stage device of friction wear testing machine

Technical Field

The utility model relates to a friction and wear testing machine technical field specifically is a friction and wear testing machine objective table device.

Background

The wear performance of a metal material is one of its important performance indicators. In many applications or environmental conditions of material applications, wear of the material is unavoidable, and therefore the wear properties of the material also have a significant influence on the material application. Various wear testing machines designed and manufactured at present mainly relate to single wear failure modes of sliding wear, rolling wear, impact wear, vibration wear and the like of materials.

The slidingtype friction structure that current sliding wear testing machine objective table adopted, it makes the horizontal motion that repeats to rotate to control the friction face through the cylinder groove many, because traditional testing machine objective table device is in under the operational environment of high strength for a long time, there is not certain buffer facility, so the condition that the part damaged appears very easily, cylinder groove transmission mode is in-service use simultaneously, the dead condition of card appears very easily in the cylinder groove when rotating to a stroke summit, and then influence subsequent normal work, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a friction and wear testing machine objective table device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an objective table device of a friction wear testing machine comprises a workbench, a placing groove, side supporting plates and a slide rod assembly for damping and buffering a friction plate body, wherein the placing groove is formed in the center of the upper end of the workbench;

the sliding rod component comprises a first limiting rod which is arranged on two sides of the sliding block component and is not less than two sets of limiting rods, one end of the first limiting rod, which is far away from the side supporting plate, penetrates through the side supporting plate side wall and is fixedly connected with a fixed stop block arranged on the other side of the side supporting plate, the first limiting rod is in sliding fit with the side supporting plate at the joint, a rod body outer sleeve, which is far away from one side of the limiting rod, of the side supporting plate at the position of the first limiting rod is provided with a metal spring, and two ends of the metal spring are fixedly connected with the side supporting plate side wall and the fixed stop block side wall respectively.

Preferably, the sliding block assembly comprises a fixed sliding seat arranged in the placing groove, two sides of the fixed sliding seat are fixedly connected with a limiting rod, a friction plate is arranged on the upper end face of the fixed sliding seat, and two sides of the lower end face of the fixed sliding seat are provided with rotating rollers matched with the bottom end of the placing groove.

Preferably, a second limiting rod penetrates through two sides of the end face of the rotating roller, a sliding part is connected to the two ends of the second limiting rod, which are far away from the two ends of the rotating roller, and the sliding part is clamped in and connected with sliding grooves formed in two sides of the inner wall of the placing groove in a sliding mode.

Preferably, the drive assembly is including installing the grooved drum in the workstation, and grooved drum one end is connected with the axis of rotation, and grooved drum one end and the driving motor output fixed connection who sets up in the workstation are kept away from to the axis of rotation, and the spread groove has been seted up to grooved drum terminal surface, is equipped with in the spread groove with spread groove matched with fitting piece, the fitting piece other end through link up piece and fixed slide down terminal surface center department fixed connection.

Preferably, the upper end surface of the friction plate is provided with a plurality of groups of metal teeth for improving the friction effect of the friction plate.

Preferably, the bottom end of the workbench is provided with a connecting seat plate, mounting plates are welded on two sides of the connecting seat plate, and multiple groups of mounting holes used for fixing the mounting plates are formed in the upper end of the mounting plates.

Compared with the prior art, the beneficial effects of the utility model are that: the limiting rods are arranged on the two sides of the sliding block assembly, the other ends of the limiting rods are movably connected with the side supporting plates through the metal springs, when the sliding block assembly works, the metal springs are driven to contract through the limiting rods, impact force driven by the sliding block assembly to work is buffered, meanwhile, the sliding block assembly generates inertia acting force through the stretching of the metal springs by the other ends of the limiting rods, the situation that the testing machine is locked is avoided, and the sliding block assembly is safe, reliable, rapid and efficient;

the connection bedplate that the workstation bottom was equipped with is used for fixing the testing machine objective table, and the metal tooth that the friction plate upper end set up can effectively strengthen the frictional force between friction plate and the experimental object, and the testing machine upper slide is driven by a section of thick bamboo mechanism, carries out reciprocating motion, and setting up of gag lever post can effectively improve the stability of slide when the standing groove slides, strong adaptability.

Drawings

Fig. 1 is a schematic structural view of a stage device of a friction wear tester.

Fig. 2 is a schematic structural view of a fixed slide in a stage device of a friction wear tester.

Fig. 3 is an enlarged view of a structure of a stage device of the friction wear tester at a position a in fig. 1.

Fig. 4 is a schematic structural view of a grooved drum in a stage device of a friction wear tester.

In the figure: 1-workbench, 2-connecting seat plate, 3-mounting plate, 4-placing groove, 5-side support plate, 6-fixed sliding seat, 7-friction plate, 8-first limiting rod, 9-metal spring, 10-fixed stop block, 11-rotating roller, 12-second limiting rod, 13-metal tooth, 14-driving motor, 15-rotating shaft, 16-groove cylinder, 17-connecting groove, 18-sliding groove and 19-matching piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, an object stage apparatus of a friction and wear testing machine includes a workbench 1, a placement groove 4, side support plates 5 and a slide bar assembly for damping and buffering a friction plate body, the placement groove 4 is disposed at the center of the upper end of the workbench 1, the side support plates 5 are disposed at two sides of the placement groove 4 at the upper end of the workbench 1, a slide block assembly for performing a wear test on an object is disposed in the placement groove 4 between the side support plates 5, and the slide block assembly is connected to a driving assembly disposed in the workbench 1 for controlling the reciprocating motion of the slide block assembly;

the sliding rod component comprises at least two groups of first limiting rods 8 arranged on two sides of the sliding block component, one end of each first limiting rod 8, far away from the side support plate 5, penetrates through the side wall of the side support plate 5 to be fixedly connected with a fixed stop block 10 arranged on the other side of the side support plate 5, the connection part of the first limiting rod 8 and the side support plate 5 is in sliding fit, a metal spring 9 is sleeved outside a rod body on one side, far away from the first limiting rod 8, of the side support plate 5 where the first limiting rod 8 is located, and two ends of the metal spring 9 are respectively fixedly connected with the side wall of the side support plate 5 and the side wall of the fixed stop block 10;

the sliding block assembly comprises a fixed sliding seat 6 placed in the placing groove 4, two sides of the fixed sliding seat 6 are fixedly connected with a first limiting rod 8, a friction plate 7 is arranged on the upper end face of the fixed sliding seat 6, and two sides of the lower end face of the fixed sliding seat 6 are provided with rotating rollers 11 matched with the bottom end of the placing groove 4; the test article is placed on the end face of the friction plate 7, the fixed slide seat 6 is driven by the driving assembly to move repeatedly on the end face of the placing groove 4, the test article is subjected to abrasion detection through friction with the surface of the test article, when the fixed slide seat 6 slides, the limiting rods 8 on two sides of the fixed slide seat can play a limiting supporting role, the fixed slide seat 6 is prevented from falling off, meanwhile, the limiting rods 8 can synchronously slide on the side walls of the side supporting plates 5 along with the fixed slide seat 6, when the fixed slide seat 6 drives the limiting rods 8 to move to a stroke peak, the limiting rods 8 on one side of the fixed slide seat 6 extrude the metal spring 9 through the fixed stop blocks 10 in the sliding process, the impact force driven by the movement of the fixed slide seat 6 is buffered through the contraction of the metal spring 9, the metal spring 9 on the other side of the fixed slide seat 6 continuously stretches the metal spring 9 through the fixed stop blocks 10 in the sliding process, the fixed sliding seat 6 generates inertia acting force in sliding through the stretching of the metal spring 9, so that the clamping of the fixed sliding seat is avoided;

two limiting rods 12 penetrate through two sides of the end face of the rotating roller 11, two sliding parts are connected to two ends of the limiting rods 12 far away from the rotating roller 11, the sliding parts are clamped in sliding grooves 18 formed in two sides of the inner wall of the placing groove 4 and are in sliding connection with the sliding grooves, the rotating roller 11 is arranged at the end parts of the limiting rods 12 and is arranged between the limiting rods 8 in a staggered mode, when the fixed sliding seat 6 slides, the fixed sliding seat 6 is limited, and the stability of the fixed sliding seat 6 during working is improved through the sliding of the sliding parts in the sliding grooves 18;

the driving assembly comprises a groove drum 16 arranged in the workbench 1, one end of the groove drum 16 is connected with a rotating shaft 15, one end, far away from the groove drum 16, of the rotating shaft 15 is fixedly connected with the output end of a driving motor 14 arranged in the workbench 1, the end face of the groove drum 16 is provided with a connecting groove 17, a matching piece 19 matched with the connecting groove 17 is arranged in the connecting groove 17, and the other end of the matching piece 19 is fixedly connected with the center of the lower end face of the fixed sliding seat 6 through a connecting piece; the grooved drum 16 and the fitting piece 19 form a grooved pulley reciprocating mechanism, the grooved pulley mechanism comprises the grooved drum 16 with a connecting groove 17 and the fitting piece 19, one end of the fitting piece 19 is inserted into the connecting groove 17 on the grooved drum 16, the driving motor 14 is started, the grooved drum 16 is driven to rotate through the rotating shaft 15, and the grooved drum 16 drives the fitting piece 19 to slide along the connecting groove 17 in rotation, so that the fixed sliding seat 6 horizontally reciprocates in the placing groove 4;

a plurality of groups of metal teeth 13 for improving the friction effect of the friction plate 7 are arranged on the upper end surface of the friction plate; the metal teeth 13 arranged at the upper end of the friction plate 7 can effectively enhance the friction force between the friction plate 7 and a test object, and play a role in protecting the friction plate 7 while improving the test detection effect; the bottom end of the workbench 1 is provided with a connecting seat plate 2, two sides of the connecting seat plate 2 are welded with mounting plates 3, and the upper end of each mounting plate 3 is provided with a plurality of groups of mounting holes for fixing the mounting plates 3; the connection seat board 2 plays the effect that links up the support, because the testing machine carries out work and can produce strong shake, fixes connection seat board 2 on placing the face through mounting panel 3, can improve the stability and the security of its work well.

The utility model discloses a theory of operation is: the driving motor 14 starts, drive grooved drum 16 through axis of rotation 15 and rotate, grooved drum 16 drives fitting piece 19 in the rotation and slides along connecting groove 17, thereby make fixed slide 6 be horizontal reciprocating motion in standing groove 4, when fixed slide 6 drives gag lever post 8 and moves to a stroke summit, gag lever post 8 that is located fixed slide 6 one side extrudes metal spring 9 through fixed dog 10 in sliding, the impact force that the shrink buffering fixed slide 6 through metal spring 9 drove, metal spring 9 that is located fixed slide 6 opposite side then constantly stretches metal spring 9 through fixed dog 10 in sliding, make fixed slide 6 produce inertial force in sliding through the drawing of metal spring 9, avoid it to appear the dead condition of card, safety and reliability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An objective table device of a friction wear testing machine comprises a workbench (1), a placing groove (4), side supporting plates (5) and a slide rod assembly for damping and buffering a friction plate body, and is characterized in that the placing groove (4) is formed in the center of the upper end of the workbench (1), the side supporting plates (5) are arranged on two sides of the placing groove (4) where the upper end of the workbench (1) is located, a slide block assembly for performing a wear test on an article is arranged in the placing groove (4) between the side supporting plates (5), and the slide block assembly is connected with a driving assembly which is arranged in the workbench (1) and used for controlling the repeated movement of the slide block assembly;

the sliding rod component comprises a first limiting rod (8) which is arranged on two sides of the sliding block component and is not less than two sets, one end of the first limiting rod (8) far away from the side supporting plate (5) penetrates through the side wall of the side supporting plate (5) and is fixedly connected with a fixed stop block (10) arranged on the other side of the side supporting plate (5), the first limiting rod (8) is in sliding fit with the side supporting plate (5) at the joint, a metal spring (9) is sleeved outside the rod body of the first limiting rod (8) far away from the side supporting plate (5), and two ends of the metal spring (9) are fixedly connected with the side supporting plate (5) side wall and the fixed stop block (10) side wall respectively.

2. The object stage device of the friction wear testing machine according to claim 1, characterized in that the sliding block assembly comprises a fixed sliding seat (6) placed in the placing groove (4), two sides of the fixed sliding seat (6) are fixedly connected with a first limiting rod (8), a friction plate (7) is arranged on the upper end face of the fixed sliding seat (6), and two sides of the lower end face of the fixed sliding seat (6) are provided with rotating rollers (11) matched with the bottom end of the placing groove (4).

3. The objective table device of the friction wear testing machine according to claim 2, characterized in that two limiting rods (12) are arranged on two sides of the end surface of the rotating roller (11), two ends of the limiting rods (12) far away from the rotating roller (11) are connected with sliding parts, and the sliding parts are clamped in and connected with sliding grooves (18) formed on two sides of the inner wall of the placing groove (4) in a sliding manner.

4. The friction wear testing machine objective table device according to claim 1, characterized in that the driving component comprises a groove drum (16) installed in the workbench (1), one end of the groove drum (16) is connected with a rotating shaft (15), one end of the rotating shaft (15) far away from the groove drum (16) is fixedly connected with an output end of a driving motor (14) arranged in the workbench (1), a connecting groove (17) is formed in the end surface of the groove drum (16), a matching piece (19) matched with the connecting groove (17) is arranged in the connecting groove (17), and the other end of the matching piece (19) is fixedly connected with the center of the lower end surface of the fixed sliding seat (6) through a connecting piece.

5. The objective table device of the friction wear testing machine according to claim 2, characterized in that the upper end surface of the friction plate (7) is provided with a plurality of groups of metal teeth (13) for improving the friction effect.

6. The objective table device of the friction wear testing machine according to claim 1, characterized in that a connecting seat plate (2) is arranged at the bottom end of the working table (1), mounting plates (3) are welded on two sides of the connecting seat plate (2), and a plurality of groups of mounting holes for fixing the mounting plates (3) are formed in the upper end of the mounting plates (3).

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