CN212872140U - Clamp for corrosion of cylindrical metallographic sample - Google Patents
Clamp for corrosion of cylindrical metallographic sample Download PDFInfo
- Publication number
- CN212872140U CN212872140U CN202021929691.0U CN202021929691U CN212872140U CN 212872140 U CN212872140 U CN 212872140U CN 202021929691 U CN202021929691 U CN 202021929691U CN 212872140 U CN212872140 U CN 212872140U
- Authority
- CN
- China
- Prior art keywords
- cylindrical
- metallographic
- clamping
- metallographic specimen
- cylindricality
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a cylindricality metallographic specimen corrodes and uses anchor clamps, belongs to metallographic specimen and corrodes apparatus technical field, and this cylindricality metallographic specimen corrodes and uses anchor clamps include the supporting rod that is bent two that form by a member and becomes certain contained angle and symmetry, and the supporting rod includes handle portion and holding head, and the inboard of holding head symmetry respectively is provided with the convex centre gripping mouth with cylindricality metallographic specimen matched with, and the inboard of convex centre gripping mouth can be dismantled and be connected with elastic buffer, the beneficial effects of the utility model are that, this anchor clamps simple structure, centre gripping convenience, long service life, the centre gripping is firm stable, has effectively prevented the slippage of cylindricality metallographic specimen, has wide market prospect and application prospect.
Description
Technical Field
The utility model relates to a metallographic specimen corrodes apparatus technical field, especially relates to a cylindricality metallographic specimen corrodes and uses anchor clamps.
Background
Among the various methods of displaying the metallographic structure, the chemical etching method is most commonly used. The chemical etching is to clamp the metallographic specimen and put the metallographic specimen into the corrosive agent to make the contact surface of the specimen and the corrosive agent undergo chemical dissolution or electrochemical dissolution. At present the metallographic specimen of taking generally uses ordinary tweezers to carry out the centre gripping, and ordinary tweezers are more convenient when the square or irregular object of centre gripping, is difficult to drop, but, present most metallographic specimen is all through inlaying the completion, and inlayed metallographic specimen is cylindrical usually, and ordinary tweezers drop easily when centre gripping cylindricality metallographic specimen, makes the operation inconvenient. Therefore, there is an urgent need for a fixture designed for corrosion of a cylindrical metallographic specimen.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure, centre gripping make things convenient for and effectively prevent cylindricality metallographic specimen of slippage anchor clamps for corrosion.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the clamp for corrosion of the cylindrical metallographic specimen comprises two symmetrical clamping rods which are formed by bending a rod piece and form a certain included angle, each clamping rod comprises a handle part and a clamping head, the inner sides of the clamping heads are symmetrically provided with arc-shaped clamping openings matched with the cylindrical metallographic specimen, and the inner sides of the arc-shaped clamping openings are detachably connected with elastic cushion pads.
Furthermore, the included angle between the plane where the clamping head is located and the clamping rod is 30-45 degrees.
Furthermore, the inner side of the joint of the two clamping rods is provided with a bending avoidance groove.
Furthermore, the handle parts of the two clamping rods are sleeved with anti-skid sleeves.
Furthermore, a plurality of threaded holes are formed in the inner side of the arc-shaped clamping opening, stepped holes opposite to the threaded holes are formed in the elastic buffer pads, and screws are installed in the stepped holes and connected with the threaded holes through the screws.
Furthermore, a spring and an adjusting part for adjusting the opening degree between the two clamping rods are connected between the two clamping rods.
Further, the adjusting part is arranged at the bottom ends of the two clamping rods and comprises two arc-shaped rods, the end portion of one arc-shaped rod is detachably connected with a bolt assembly, an arc-shaped groove is formed in the other arc-shaped rod along the length direction of the other arc-shaped rod, and the arc-shaped groove is in sliding fit with bolts in the bolt assembly.
The utility model has the advantages that:
1. the utility model discloses an anchor clamps include two supporting rods that are bent by a member and form, the tip of two supporting rods sets up the supporting head, this anchor clamps overall structure is simple, the cost of manufacture is low, and the handle portion of two supporting rods is held to the staff, convex centre gripping mouth through supporting head department is with cylindricality metallographic specimen centre gripping chucking, can carry out effective centre gripping fixedly to cylindricality metallographic specimen through mutually supporting of two supporting heads, and the elastic buffer pad and the contact of cylindricality metallographic specimen through the inboard setting of convex centre gripping mouth, the contact friction with cylindricality metallographic specimen surface has further been increased, the slippage of cylindricality metallographic specimen has effectively been prevented.
2. The plane where the clamping heads are located and the clamping rods form a certain included angle, a person holds the handle part and can easily clamp a cylindrical metallographic sample vertically placed on the plane through the clamping heads, and the cylindrical metallographic sample is vertically placed into the corrosive agent, so that the cylindrical metallographic sample is more stably clamped and the operation is more convenient; the elastic buffer cushion is detachably connected to the inner side of the circular arc-shaped clamping opening through a screw, so that the elastic buffer cushion is more convenient to detach and mount; still connect spring and adjusting part between two holding rods, can prevent that the not enough unstable problem of messenger's centre gripping of elasticity between two holding rods, spring wherein plays the effect that elasticity resets, and adjusting part plays the effect of carrying out the aperture position between two holding rods and fixing a position, has further prolonged the life of this anchor clamps.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a top view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the structure of the enlarged portion A of FIG. 1;
FIG. 4 is a schematic view of the structure of the enlarged portion B of FIG. 1;
the labels in the above figures are: 1. the clamping device comprises a clamping rod, a handle part, a clamping head, a circular arc-shaped clamping opening, an elastic cushion pad, a stepped hole 51, a bending avoidance groove 6, an anti-skidding sleeve 7, a threaded hole 8, a spring 9, an adjusting part 10, an arc-shaped rod 101, a bolt assembly 102 and an arc-shaped groove 103.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in figure 1, a clamp for corrosion of a cylindrical metallographic specimen comprises two symmetrical clamping rods 1 which are formed by bending a rod piece and form a certain included angle, each clamping rod 1 comprises a handle part 2 and a clamping head 3, the inner sides of the clamping heads 3 are respectively and symmetrically provided with an arc-shaped clamping opening 4 matched with the cylindrical metallographic specimen, the inner sides of the arc-shaped clamping openings 4 are detachably connected with elastic cushion pads 5, the clamp is simple in overall structure and low in manufacturing cost, hands hold the handle parts 2 of the two clamping rods 1, the cylindrical metallographic specimen is clamped and clamped through the arc-shaped clamping openings 4 at the clamping heads 3, the cylindrical metallographic specimen can be effectively clamped and fixed through the mutual matching of the two clamping heads 3, the elastic cushion pads 5 arranged on the inner sides of the arc-shaped clamping openings 4 are contacted with the cylindrical metallographic specimen, and the contact friction force with the outer surface of the cylindrical metallographic specimen is further increased, effectively preventing the slipping of the cylindrical metallographic specimen.
Specifically, as shown in fig. 2, the included angle between the plane where the clamping head 3 is located and the clamping rod 1 is 30-45 degrees, and a person holding the handle part 2 can easily clamp the cylindrical metallographic specimen vertically placed on the plane through the clamping head 3, and the cylindrical metallographic specimen is vertically placed into the corrosive agent, so that the cylindrical metallographic specimen is more stably clamped, and the operation is more convenient.
Specifically, as shown in fig. 1, a bending avoidance groove 6 is formed on the inner side of the joint of the two clamping rods 1, so that the clamping actions of the two clamping rods 1 are not interfered, and the bending avoidance groove 6 can also be used as a hanging hole, so that the clamp is more convenient to hang; the anti-slip sleeves 7 are sleeved on the handle parts 2 of the two clamping rods 1, so that the friction force between the hands and the clamping rods 1 is increased, and the hands are prevented from slipping when gripping the two clamping rods 1.
Specifically, as shown in fig. 3, the inner side of the circular arc-shaped clamping opening 4 is provided with a plurality of threaded holes 8, the elastic buffer pad 5 is provided with a stepped hole 51 opposite to the threaded holes 8, a screw is installed in the stepped hole 51 and connected with the threaded holes 8 through the screw, so that the elastic buffer pad 5 is convenient to detach and mount, and the screw is not exposed due to the arrangement of the stepped hole 51, so that the elastic buffer pad 5 is in full contact with the outer surface of the cylindrical metallographic sample.
Specifically, as shown in fig. 1, a spring 9 and an adjusting member 10 for adjusting the opening degree between the two clamping rods 1 are connected between the two clamping rods 1, wherein the spring 9 plays a role in elastic return, and the adjusting member 10 plays a role in positioning the opening degree position between the two clamping rods 1, thereby further prolonging the service life of the clamp.
As shown in fig. 4, the adjusting member 10 is disposed at the bottom end of the two clamping rods 1, and comprises two arc rods 101, wherein a bolt assembly 102 is detachably connected to the end of one arc rod 101, an arc slot 103 is disposed along the length direction of the other arc rod 101, the arc slot 103 is slidably engaged with a bolt in the bolt assembly 102, and a cylindrical metallographic specimen can be clamped and fixed or loosened by screwing or unscrewing a nut in the bolt assembly 102.
The use method of the clamp comprises the following steps: firstly, the handle part 2 of the clamping rod 1 is held by hands to enable the columnar metallographic specimen to be positioned between the two circular arc-shaped clamping openings 4, the two clamping rods 1 are held inwards, the elastic buffer cushion 5 is in contact with and clamped with the outer surface of the columnar metallographic specimen, and meanwhile, the spring 9 is compressed; then, the nuts in the bolt assembly 102 are screwed down, so that the bolt is positioned at one of the arc-shaped rods 101 and fixed, and the cylindrical metallographic sample is stably clamped between the two clamping heads 3; and finally, the cylindrical metallographic sample is put into the corrosive agent and taken out after the corrosion is finished, the nut is unscrewed to reduce the holding force, the two clamping rods 1 are restored to the original positions under the action of the spring 9, and the cylindrical metallographic sample is separated from the clamp.
To sum up, this anchor clamps simple structure, centre gripping convenience, long service life, the centre gripping is firm stable, has effectively prevented the slippage of cylindricality metallographic specimen, has wide market prospect and application prospect.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (7)
1. The utility model provides a cylindricality metallographic specimen corrodes and uses anchor clamps, its characterized in that includes two supporting rods (1) that become certain contained angle and symmetry that are formed by a member is bent, supporting rods (1) are including handle portion (2) and holding head (3), the inboard of holding head (3) is the symmetry respectively be provided with cylindricality metallographic specimen matched with convex centre gripping mouth (4), the inboard of convex centre gripping mouth (4) can be dismantled and be connected elastic buffer pad (5).
2. The jig for corroding cylindrical metallographic specimens according to claim 1, characterized in that: the included angle between the plane where the clamping head (3) is located and the clamping rod (1) is 30-45 degrees.
3. The jig for corroding cylindrical metallographic specimens according to claim 1, characterized in that: the inner side of the joint of the two clamping rods (1) is provided with a bending avoidance groove (6).
4. The jig for corroding cylindrical metallographic specimens according to claim 1, characterized in that: the handle parts (2) of the two clamping rods (1) are sleeved with anti-skid sleeves (7).
5. The jig for corroding a cylindrical metallographic sample according to any one of claims 1 to 4, characterized in that: the inner side of the circular arc-shaped clamping opening (4) is provided with a plurality of threaded holes (8), the elastic cushion pad (5) is provided with a stepped hole (51) opposite to the threaded holes (8), and a screw is installed in the stepped hole (51) and connected with the threaded holes (8) through the screw.
6. The jig for corroding cylindrical metallographic samples according to claim 5, characterized in that: a spring (9) and an adjusting part (10) for adjusting the opening degree between the two clamping rods (1) are connected between the two clamping rods (1).
7. The jig for corroding cylindrical metallographic specimens according to claim 6, characterized in that: adjusting part (10) sets up the bottom in two holding rod (1), adjusting part (10) include two arc pole (101), and the tip of one of them arc pole (101) can be dismantled and is connected with bolt assembly (102), and another arc pole (101) are provided with arc wall (103) along its length direction, arc wall (103) with bolt sliding fit in bolt assembly (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021929691.0U CN212872140U (en) | 2020-09-07 | 2020-09-07 | Clamp for corrosion of cylindrical metallographic sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021929691.0U CN212872140U (en) | 2020-09-07 | 2020-09-07 | Clamp for corrosion of cylindrical metallographic sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872140U true CN212872140U (en) | 2021-04-02 |
Family
ID=75194323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021929691.0U Active CN212872140U (en) | 2020-09-07 | 2020-09-07 | Clamp for corrosion of cylindrical metallographic sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323886A (en) * | 2021-12-21 | 2022-04-12 | 上海交通大学 | Hand-held type metallographic specimen of accurate control time corrodes and uses clamping tool |
-
2020
- 2020-09-07 CN CN202021929691.0U patent/CN212872140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323886A (en) * | 2021-12-21 | 2022-04-12 | 上海交通大学 | Hand-held type metallographic specimen of accurate control time corrodes and uses clamping tool |
| CN114323886B (en) * | 2021-12-21 | 2023-11-17 | 上海交通大学 | Handheld metallographic specimen corrosion clamping tool capable of accurately controlling time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212872140U (en) | Clamp for corrosion of cylindrical metallographic sample | |
| US20150352690A1 (en) | Method and apparatus for securing a workpiece to a fixture plate using a novel workpiece hold-down clamp | |
| CN101602112B (en) | Fixed tool holder for indexable insert | |
| CN213004752U (en) | A kind of tweezers | |
| CN2762091Y (en) | Special bolt testing holder | |
| TWI457470B (en) | Rack device | |
| CN105937049B (en) | A kind of hanger for anodic oxidation | |
| CN221071685U (en) | Hard anodize anchor clamps of small-size aluminum alloy part | |
| CN213367356U (en) | Fastening type strain clamp | |
| CN213954117U (en) | Detachable locking screw | |
| CN107785615B (en) | Tweezers | |
| CN209759608U (en) | Partial electroplating jig for sliding ring body | |
| CN215353563U (en) | Thickness compatible test tube seat | |
| CN211697903U (en) | Intelligent engineering detection tool | |
| CN220746120U (en) | Clamp | |
| CN214821963U (en) | Catalyst assembly marking clamp | |
| CN201432116Y (en) | Rotary blade fixing cutter holder | |
| CN205310096U (en) | Fixed clamping -force's tweezers | |
| CN217345109U (en) | A kind of tweezers | |
| CN218480026U (en) | Screw convenient to dismantle | |
| CN215201711U (en) | Quick fastening tool for clock screw | |
| CN112774903B (en) | Clamp and spraying device | |
| CN211339721U (en) | Electroplating auxiliary tool combination and electroplating clamp thereof | |
| CN213925104U (en) | Hanging device for anodizing operation of thin-skin workpiece | |
| CN216179883U (en) | Sheet metal component anodization anchor clamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |