CN216160318U

CN216160318U - High-stability clamping mechanism of microhardometer

Info

Publication number: CN216160318U
Application number: CN202122240511.9U
Authority: CN
Inventors: 朱兆军
Original assignee: Anhui Wolbert Measuring Instrument Co ltd
Current assignee: Anhui Wolbert Measuring Instrument Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a high-stability clamping mechanism of a microhardometer, which comprises a workbench, wherein a clamp is arranged on the workbench, the clamp comprises a chassis, an iron plate is fixedly connected to the center of the bottom of the chassis, an electromagnet disc is fixedly connected to the center of the top of the workbench, and an anti-slip ring area is arranged on the top of the workbench and positioned at the periphery of the electromagnet disc. This micro-sclerometer high stability fixture, through sliding the setting with anchor clamps at the workstation top, can remove to any direction at will after the work piece has been held, the position, and then can adjust the position of treating of work piece at will, and usable steel ball reduces frictional force when removing, it is smooth and easy to make it slide, and the mode that utilizes magnetism to inhale when needs are fixed provides suction, utilize non-slip rubber piece cooperation anti-slip ring district to produce frictional force, can carry out quick fixed avoiding its removal to the anchor clamps, fixed mode is simple quick, high durability and convenient use.

Description

High-stability clamping mechanism of microhardometer

Technical Field

The utility model relates to the technical field of clamps, in particular to a high-stability clamping mechanism of a microhardness tester.

Background

The microhardness tester is a precise instrument for testing the performance of metal materials in the industries of machinery, metallurgy and the like, and is widely applied to various industries. The microhardness tester is composed of a host, a micrometer eye lens, various test tables, a standard hardness block, various pressure heads, an objective lens, a leveling angle and the like. The micrometer eyepiece is used for observing a metallographic phase or a microscopic structure, determining a testing part, measuring the length of a diagonal line, collecting data and the like; the hardometer host machine completes the switching between the ocular and the pressure head, applies load on the determined test part, and completes the movement of the platform to search image points and the like; the related accessories are mainly used for clamping and stabilizing the test piece and the like.

The clamp on the existing microhardometer clamps the workpiece on the left side and the right side generally, and for the round workpiece, the clamping is not stable and firm enough, and the position can not be flexibly changed in all directions after the workpiece is clamped, and when the hardness is tested, the detection can be generally carried out only at a fixed position, and the detection data is not accurate enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-stability clamping mechanism of a microhardness tester, which solves the problems that a clamp on the existing microhardness tester cannot stably and firmly clamp any workpiece, the position of the clamped workpiece cannot be flexibly changed, the hardness can be tested only at a fixed position, and the detection data is not accurate enough.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a micro-sclerometer high stability fixture, includes the workstation, and is provided with anchor clamps on the workstation, anchor clamps include the chassis, the central fixedly connected with iron plate of chassis bottom, the central fixedly connected with electro-magnet disc at workstation top, the top of workstation and the periphery that is located the electro-magnet disc are provided with the anti-skidding ring district, a plurality of anti-skidding rubber blocks of even crisscross fixedly connected with in the outside of chassis bottom and sliding bottom, sliding bottom's inside from the top down sliding connection has the spring and the steel ball of looks butt in proper order, and the bottom of steel ball runs through the below that extends to sliding bottom.

Preferably, the bottom of the sliding base is higher than the bottom of the anti-skid rubber block, and the bottom of the steel ball is lower than the bottom of the anti-skid rubber block.

Preferably, the anti-slip ring area is formed by a frosted surface or a rubber mat with salient points densely distributed on the surface, and the outer diameter of the anti-slip ring area is larger than that of the chassis.

Preferably, the top of the chassis is fixedly connected with a cross, two opposite sides of the cross are rotatably connected with screw rods, and the two screw rods are distributed up and down.

Preferably, opposite-direction threads are formed in the two ends of the surface of the screw rod, the clamping blocks are in threaded connection with the two ends of the surface of the screw rod, the top cover covering the outer portion of the cross is fixedly connected to the top of the chassis, and the sliding groove in sliding connection with the clamping blocks is formed in the top of the top cover.

Preferably, the tops of the two ends of the front side of the cross are rotatably connected with rotating shafts, the top ends of the rotating shafts are fixedly connected with rocking handles, and the surfaces of the rotating shafts and the front ends of the screw rods are in meshing transmission through bevel gear sets.

Advantageous effects

The utility model provides a high-stability clamping mechanism of a microhardness tester. Compared with the prior art, the method has the following beneficial effects:

(1) this micro-sclerometer high stability fixture, through sliding the setting with anchor clamps at the workstation top, can remove to any direction at will after the work piece has been held, the position, and then can adjust the position of treating of work piece at will, and usable steel ball reduces frictional force when removing, it is smooth and easy to make it slide, and the mode that utilizes magnetism to inhale when needs are fixed provides suction, utilize non-slip rubber piece cooperation anti-slip ring district to produce frictional force, can carry out quick fixed avoiding its removal to the anchor clamps, fixed mode is simple quick, high durability and convenient use.

(2) This micro-sclerometer high stability fixture through the clamping device who sets up manually operation formula, can adjust the clamp force according to the work piece of difference, and uses crossing centre gripping mode, to square and circular shape work piece, adaptation that all can be fine, the centre gripping is stable firm.

Drawings

FIG. 1 is a top half sectional view of the present invention;

FIG. 2 is a top cross-sectional view of the clamp of the present invention;

FIG. 3 is a bottom view of the clip of the present invention;

FIG. 4 is a sectional view showing a partial structure of a jig according to the present invention;

FIG. 5 is a side view of the clamp gripping portion structure of the present invention.

In the figure: 1-workbench, 2-clamp, 21-chassis, 22-iron plate, 23-anti-skid rubber block, 24-sliding base, 25-spring, 26-steel ball, 27-cross, 28-screw rod, 29-clamping block, 210-top cover, 211-chute, 212-rotating shaft, 213-rocking handle, 214-bevel gear set, 3-electromagnet disc and 4-anti-skid ring area.

Detailed Description

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

Referring to fig. 1-5, the present invention provides a technical solution: a high-stability clamping mechanism of a microhardometer comprises a workbench 1, a clamp 2 is arranged on the workbench 1, the clamp 2 comprises a chassis 21, an iron plate 22 is fixedly connected to the center of the bottom of the chassis 21, an electromagnet disc 3 is fixedly connected to the center of the top of the workbench 1, an anti-slip ring area 4 is arranged on the top of the workbench 1 and located on the periphery of the electromagnet disc 3, the anti-slip ring area 4 is formed by a frosted surface or a rubber pad with densely distributed salient points on the surface, the outer diameter of the anti-slip ring area 4 is larger than that of the chassis 21, a plurality of anti-slip rubber blocks 23 and a sliding base 24 are uniformly and fixedly connected to the outer side of the bottom of the chassis 21 in a staggered manner, a spring 25 and steel balls 26 which are mutually connected are sequentially connected in a sliding manner from top to bottom inside the sliding base 24, the bottom of each steel ball 26 penetrates and extends to the lower side of the sliding base 24, the bottom of the sliding base 24 is higher than the bottom of the anti-slip rubber blocks 23, and the bottom of each steel balls 26 is lower than the bottom of the anti-slip rubber blocks 23, through sliding the setting with anchor clamps 2 at workstation 1 top, can remove to any direction at will after the work piece has been held, the position, and then can adjust the work piece at will wait to detect the position, and usable steel ball 26 reduces frictional force when removing, it is smooth and easy to make it slide, and the mode that utilizes magnetism to inhale when needs are fixed provides suction, utilize the anti-skidding gluey piece 23 cooperation anti-skidding ring district 4 to produce frictional force, can carry out quick fixed avoiding its removal to anchor clamps 2, the fixed mode is simple quick, high durability and convenient use.

The top of the chassis 21 is fixedly connected with a cross 27, a screw rod 28 is rotatably connected between two opposite sides of the cross 27, the two screw rods 28 are distributed up and down, the two ends of the surface of the screw rod 28 are provided with threads with opposite directions, and the two ends of the surface of the screw rod 28 are both connected with the clamping blocks 29 by screw threads, the top of the chassis 21 is fixedly connected with a top cover 210 covering the cross 27, the top of the top cover 210 is provided with a sliding chute 211 which is connected with the clamping block 29 in a sliding way, the tops of the two ends of the front side of the cross 27 are both rotationally connected with a rotating shaft 212, the top end of the rotating shaft 212 is fixedly connected with a rocking handle 213, the surface of the rotating shaft 212 and the front end of the screw rod 28 are in meshing transmission through a bevel gear set 214, the clamping force can be adjusted according to different workpieces by arranging a manual operation type clamping device, and the crossed clamping mode is adopted, so that the square and round workpieces can be well matched, and the clamping is stable and firm.

And those not described in detail in this specification are well within the skill of those in the art.

When the fixture is used, a workpiece is placed between the four clamping blocks 29 at the top of the fixture 2, then the two rocking handles 213 are rotated, the lead screw 28 is driven to rotate through the bevel gear set 214, the clamping blocks 29 on the fixture are driven to be close to each other, the workpiece is clamped, then the position of the fixture 2 is moved to enable the workpiece on the fixture to move to a proper position, the electromagnet disc 3 is powered on to be started to generate magnetic force, the iron plate 22 is attracted, the fixture 2 is attracted to the top of the workbench 1, meanwhile, the spring 25 is compressed, the anti-skid rubber blocks 23 are tightly pressed on the anti-skid ring area 4, friction force is increased, the fixture 2 cannot move, and then hardness testing can be carried out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a micro-sclerometer high stability fixture, includes workstation (1), and is provided with anchor clamps (2) on workstation (1), its characterized in that: anchor clamps (2) are including chassis (21), the central fixedly connected with iron plate (22) of chassis (21) bottom, the central fixedly connected with electro-magnet disc (3) at workstation (1) top, the top of workstation (1) and the periphery that is located electro-magnet disc (3) are provided with anti-skidding ring district (4), a plurality of anti-skidding rubber blocks of evenly crisscross fixedly connected with (23) and sliding bottom (24) in the outside of chassis (21) bottom, sliding bottom's (24) inside from the top down sliding connection has looks butt spring (25) and steel ball (26) in proper order, and the bottom of steel ball (26) runs through the below that extends to sliding bottom (24).

2. The high-stability clamping mechanism for the microhardness tester as claimed in claim 1, wherein: the bottom of the sliding base (24) is higher than the bottom of the anti-skid rubber block (23), and the bottom of the steel ball (26) is lower than the bottom of the anti-skid rubber block (23).

3. The high-stability clamping mechanism for the microhardness tester as claimed in claim 1, wherein: the antiskid ring area (4) is formed by a frosted surface or a rubber mat with salient points densely distributed on the surface, and the outer diameter of the antiskid ring area (4) is larger than that of the chassis (21).

4. The high-stability clamping mechanism for the microhardness tester as claimed in claim 3, wherein: the top of the chassis (21) is fixedly connected with a cross (27), two opposite sides of the cross (27) are rotatably connected with screw rods (28), and the two screw rods (28) are distributed up and down.

5. The high-stability clamping mechanism for the microhardness tester as claimed in claim 4, wherein: opposite direction's screw thread is seted up at the both ends on lead screw (28) surface, and the equal threaded connection in both ends on lead screw (28) surface has clamp splice (29), the top fixedly connected with cover of chassis (21) is in cross (27) outside top cap (210), and the top of top cap (210) seted up with clamp splice (29) sliding connection's spout (211).

6. The high-stability clamping mechanism for the microhardness tester as claimed in claim 4, wherein: the top at both ends of the front side of the cross (27) is rotatably connected with a rotating shaft (212), the top end of the rotating shaft (212) is fixedly connected with a rocking handle (213), and the surface of the rotating shaft (212) and the front end of the screw rod (28) are in meshing transmission through a bevel gear set (214).