CN217931044U - Metallographic etching device - Google Patents

Abstract

The utility model discloses a metallographic etching device, which comprises a frame and a fixed clamping device. The frame upper end is the push rod, and the push rod cladding has thick spring, thereby push rod upper end and frame all dig the recess and place the lift of thick spring realization push rod, and the lower extreme is chassis and solid fixed ring. The frame inside wall has dead lever, rotary rod, bolt and the household utensils that have the flange limit, and the dead lever passes through bolted connection with the frame inside wall, and the rotary rod forms the cooperation of rotatable 180 with the dead lever, and the rotary rod end is a ring form, can hold the household utensils that have the flange limit. The fixed clamping device comprises a V-shaped clamp and a thin spring, and can clamp and fix the metallographic specimen. The utility model discloses simple structure, easily installation can the homogeneous corrosion sample, avoid causing the inhomogeneous phenomenon of corruption, if the degree of corrosion can repeat this operation inadequately and continue to corrode. Can also avoid the corrosive liquid from contacting and damaging the skin, has simple and convenient operation and effectively protects the health and the safety of experimenters.

Description

Metallographic etching device

Technical Field

The utility model belongs to the technical field of metallographic specimen preparation, concretely relates to metallographic etching device.

Background

In the aspect of microstructure of metal materials, metallographic specimen preparation is a common method for metallographic research, and the successful preparation of the metallographic specimen comprises the steps of specimen cutting, inlaying, polishing, corroding and the like. The corrosion is the last step before observing the microstructure of the sample, and directly determines whether the metallographic sample is successful or not. At present, most of experimenters all take the metal sample through one hand, and the other hand is with the method of pliers centre gripping cotton ball dipping in corrosive liquid and wiping sample surface and is corroded, and such method requires extremely high to experimenters 'handling capacity, and the inhomogeneous phenomenon of metal sample corrosion can appear very easily in the corrosion process, hinders the experimenters further observation sample's microstructure, and this kind of way still can make the corruption liquid drop on hand in addition, and this past can have certain degree of injury to the experimenters. Therefore, in order to overcome the defects of the existing operation method, a safe, effective and uniform metallographic specimen corrosion device is needed to be designed.

Disclosure of Invention

Now to this problem, the utility model provides a simple structure, easily installation can fix metal specimen, carry out the observation of the convenient follow-up microstructure of homogeneous corrosion to metal specimen, can conveniently observe at any time whether the sample corrodes the situation and reaches the requirement. The device can also effectively prevent corrosive liquid from contacting the skin of an experimenter and avoid causing injury.

In order to achieve the purpose, the utility model adopts the technical proposal that: a metallographic etching device comprises a frame. The upper part of the frame is provided with a push rod, the push rod is coated with a spring, and the lower end of the push rod is provided with a chassis and a fixing ring. The inner side wall of the frame is provided with a fixed rod, a rotating rod and a vessel with a flange edge. The bottom of the frame is provided with a fixed clamping device which comprises a V-shaped clamp and a spring.

Furthermore, grooves are formed in the upper end of the push rod and the frame, thick springs are placed in the grooves, and therefore the push rod can ascend and descend, and it is guaranteed that the push rod 1 does not affect normal work of other parts at a proper position in a static state.

Furthermore, the push rod is connected with a base plate through threads, and the base plate is matched with the fixing ring to fix the cotton towel. Therefore, the chassis and the fixing ring can be replaced according to the actual condition, and the device is simple and convenient.

Furthermore, the fixed rod is connected with the inner side wall of the frame through a bolt, the rotating rod and the fixed rod form the fit capable of rotating 180 degrees, and the tail end of the rotating rod is in a circular ring shape and can be used for containing a vessel with a flange edge. The structure can stabilize the vessel without falling over.

Furthermore, the thin spring in the fixed clamping device is assembled through the V-shaped clamp and the groove dug in the inner side of the frame, so that the thin spring does not swing greatly, the V-shaped clamp is loosened through the thin spring to clamp a metallographic specimen, and the V-shaped clamp can be replaced according to the size of the metallographic specimen, and is flexible and convenient.

The beneficial effects of the utility model.

The utility model discloses a metallographic etching device, through setting up push rod, spring, chassis, solid fixed ring, dead lever, rotary rod, V clamp, frame, simple structure, easily installation just can change chassis, solid fixed ring, V clamp according to actual conditions to realize more effective operation, the single unit system is nimble changeable. The cotton piece of cloth of can the easy to assemble through solid fixed ring after the experimenter uses the V clamp to fix the metal sample, and the manual push rod that presses down and rotate the rotary rod can realize dipping in of corrosive liquid and get, need not the waste time go other places to dip in and get the corrosive liquid, still can avoid corrosive liquid contact damage skin. The experimenter dips in and gets after the corrosive liquid and can evenly corrode the sample through pressing the push rod control dynamics, avoids causing the inhomogeneous phenomenon of corroding. The utility model meets the requirements of most metallographic experimenters, and can be produced in large batch to solve a series of problems such as uneven corrosion.

Drawings

In order to more clearly illustrate the details of the connection of some of the various components of the present invention, some drawings are shown and briefly described below.

FIG. 1 is a schematic view of the connection relationship between the overall structure and the uniform etching apparatus of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention, which is mainly used for showing the connection relationship between the push rod and the spring, the chassis, and the fixing ring.

Fig. 3 is a partial schematic view of the present invention, which is mainly used for the connection relationship between the spring and the inner side wall of the frame.

Description of reference numerals: 1. the device comprises a push rod, 2, a thick spring, 3, a frame, 4, a chassis, 5, a fixing ring, 6, a thin spring, 7, a V-shaped clamp, 8, a vessel, 9, a rotating rod, 10, a fixing rod, 11 and a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

As shown in figure 1, for the utility model discloses a metallographic etching device's overall structure schematic diagram, in figure 1, a metallographic etching device includes frame 3, and there are push rod 1 and its clad coarse spring 2 on frame 3 upper portion, in addition with push rod 1 threaded connection's chassis 4, solid fixed ring 5 and chassis 4 cooperation. The inner side wall of the frame 3 is connected with a fixed rod 10 through a bolt 11, and a vessel 8 with a flange edge is placed on the rotary rod 9 by matching the rotary rod 9 with the fixed rod 10. The thin spring 6 is matched with the V-shaped clamp 7 and the frame 3 through a groove, and the metal sample is fixed in the V-shaped clamp 7.

An experimenter uses the V-shaped clamp 7 to fix a metal sample and then installs a cotton towel through the fixing ring 5, and manually presses the push rod 1 and rotates the rotating rod 9 to rotate the vessel 8 to the position below the chassis 4, so that the corrosive liquid can be dipped. Rotate rotary rod 9 and move to idle department after dipping in and getting the etchant, later can evenly corrode the sample through pressing push rod 1 control dynamics, avoid causing and corrode inhomogeneous phenomenon. If the corrosion degree is not enough, the operation can be repeated to continue the corrosion.

The sample is clamped and fixed by the V-shaped clamp 7, so that the sample can be prevented from moving to influence corrosion.

The corrosive liquid is placed in the vessel 8 with the flange edge, time does not need to be wasted, other places do not need to be dipped in the corrosive liquid, the skin can be prevented from being damaged by the contact of the corrosive liquid, the operation is simple and convenient, and the health and the safety of experimenters are effectively protected.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including 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. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Those of ordinary skill in the art will understand that: the components in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, and may be correspondingly changed in one or more devices different from the embodiments.

Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced with other equivalent embodiments without departing from the spirit and scope of the present invention, and all such modifications or partial substitutions are intended to be included within the scope of the appended claims.

Claims (5)

1. The utility model provides a metallographic corrosion device, characterized by: the device comprises a frame (3), a push rod (1) and a thick spring (2) coated by the push rod are arranged at the upper part of the frame (3), a chassis (4) in threaded connection with the push rod (1) is also arranged, a fixed ring (5) is matched with the chassis (4),

the inner side wall of the frame (3) is connected with a fixed rod (10) through a bolt (11), a rotary rod (9) is matched with the fixed rod (10) to realize rotation, a vessel (8) with a flange edge is placed on the rotary rod (9), a thin spring (6) is matched with a V-shaped clamp (7) and the frame (3) through a groove, and a metal sample is fixed in the V-shaped clamp (7).

2. A metallographic etching device according to claim 1, characterized in that push rod (1) is wrapped with thick spring (2), and the upper end of push rod (1) and frame (3) are all dug with grooves for placing thick spring (2) so as to realize the lifting of push rod (1), and under the static state, it is guaranteed that push rod (1) does not influence the normal work of other parts at the proper position.

3. A metallographic etching device according to claim 1, characterized in that the push rod (1) is connected with the base plate (4) through threads, and the base plate (4) and the fixing ring (5) are matched to fix the cotton towel, so that the base plate (4) and the fixing ring (5) can be replaced according to actual conditions, and the device is simple and convenient.

4. A metallographic etching device according to claim 1, characterised in that the fixing rods (10) are connected to the inner walls of the frame (3) by means of bolts (11), the rotating rods (9) are in 180 ° rotatable engagement with the fixing rods (10), the ends of the rotating rods (9) are in the shape of a ring and can receive a vessel (8) with a flanged edge, and this construction makes the vessel (8) stable without falling over.

5. A metallographic etching device according to claim 1, characterized in that the thin spring (6) in the fixed clamping device is assembled through the V-shaped clamp (7) and the groove dug in the inner side of the frame (3) so that the thin spring does not swing greatly, the V-shaped clamp (7) is loosened through the thin spring (6) to clamp the metallographic specimen, and the V-shaped clamp (7) can be replaced flexibly and conveniently according to the size of the metallographic specimen.

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