CN220761739U

CN220761739U - Auxiliary clamp

Info

Publication number: CN220761739U
Application number: CN202322378517.1U
Authority: CN
Inventors: 樊超
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-12
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses an auxiliary clamp, which comprises a front clamping plate and a rear clamping plate; the front clamping plate and the rear clamping plate have the same structure and are arranged in a mirror image opposite mode, the left ends of the front clamping plate and the rear clamping plate are connected sections, and the right ends of the front clamping plate and the rear clamping plate are clamping sections; the opposite sides of the front clamping plate and the rear clamping plate are planes and are arranged in parallel, and the opposite sides of the front clamping plate and the rear clamping plate are planes and are arranged in parallel; the front clamping plate and the rear clamping plate are respectively provided with a through hole at the connecting section, the positions of the two through holes correspond, and the two through holes are connected in a penetrating manner by adopting a connecting rod and axially slide along the connecting rod. Can firmly hold various small-size samples, ensure that the samples are accurately cut.

Description

Auxiliary clamp

Technical Field

The utility model belongs to the field of clamps, and relates to an auxiliary clamp.

Background

The metallographic examination is a basic means of physicochemical analysis, the first working procedure of the metallographic examination is cutting and sampling, namely, a sample to be detected is accurately taken out from a part, common equipment for sampling is a metallographic abrasive wheel cutting machine, and when the abrasive wheel cutting machine is used for sampling, the part needs to be clamped firmly and then cut. The overseas grinding wheel cutting machines such as the brands of the sterer, the standard music and the MT and the grinding wheel cutting machines produced by the domestic main manufacturers of Shanghai optical phase, laizhou Uo instrument, kao Bo, shanghai metallographic phase and the like are provided with flat pushing type quick clamps, and the quick clamps become basic configuration of metallographic phase sampling. The rapid clamp has high working efficiency, but has a simple structure, as shown in fig. 1 and 2, the horizontal positions of the two jaws are fixed, and a small-size sample can not be clamped because a cutting piece of an actual cutting machine has a gap of a plurality of millimeters with the right end face of the jaw of the clamp; even can the centre gripping, small-size sample still is barely located the anchor clamps right-hand member face of keeping silent, can't guarantee to press from both sides effectively to the jaw atress is close right-hand member face when pressing from both sides tight less sample, and the atress is uneven, leads to the fact the inefficacy of anchor clamps centre gripping easily, makes the sample deviate from the anchor clamps.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an auxiliary clamp which can firmly hold various small-size samples and ensure accurate cutting of the samples.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

an auxiliary clamp comprises a front clamping plate and a rear clamping plate;

the front clamping plate and the rear clamping plate have the same structure and are arranged in a mirror image opposite mode, the left ends of the front clamping plate and the rear clamping plate are connected sections, and the right ends of the front clamping plate and the rear clamping plate are clamping sections;

the opposite sides of the front clamping plate and the rear clamping plate are planes and are arranged in parallel, and the opposite sides of the front clamping plate and the rear clamping plate are planes and are arranged in parallel;

the front clamping plate and the rear clamping plate are respectively provided with a through hole at the connecting section, the positions of the two through holes correspond, and the two through holes are connected in a penetrating manner by adopting a connecting rod and axially slide along the connecting rod.

Preferably, the front and rear clamping plates are each longer than the jaw length of the quick clamp.

Preferably, the thickness of the connecting section of the front clamping plate and the rear clamping plate is smaller than that of the clamping section.

Preferably, the connecting section and the clamping section of the front clamping plate and the rear clamping plate are in transitional connection through a middle section, and the opposite surfaces of the middle section are inclined surfaces.

Preferably, the connecting rod adopts the bolt, and the bolt passes two through-holes, and the head of bolt is located the opposite sides of back splint, and the afterbody of bolt stretches out the opposite sides of front splint, and afterbody threaded connection of bolt has the anti-scatter nut, and the anti-scatter nut is located the opposite sides of front splint.

Preferably, the bolt is connected with a fastening nut in a threaded manner, and the fastening nut is positioned on the opposite surface of the rear clamping plate.

Preferably, the bolt is connected with an adjusting nut in a threaded manner, and the adjusting nut is positioned on the opposite surface of the front clamping plate.

Preferably, the opposite back surfaces of the front clamping plate and the rear clamping plate are provided with bosses.

Further, the boss is disposed proximate the clamping segment.

Preferably, the front clamping plate and the rear clamping plate are made of aluminum alloy.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the front clamping plate and the rear clamping plate are oppositely arranged through the connecting rod, and the clamping section is used for clamping the sample, so that the front clamping plate and the rear clamping plate are placed in the two jaws of the quick clamp, flexibly move in the horizontal direction of the quick clamp, place the sample in the cutting area, lock the quick clamp, lock the auxiliary clamp through the limit of the connecting rod, reliably clamp the sample, firmly clamp various small-size samples, and ensure accurate cutting of the sample.

Further, the lengths of the front clamping plate and the rear clamping plate are both larger than the jaw length of the quick clamp, so that the left and right stress of the jaws during clamping is guaranteed to be uniform, and the clamping is firmer.

Further, the thickness of the connecting section is smaller than that of the clamping section, so that the weight of the clamping plate is reduced, and the clamping plate is convenient to install.

Further, the anti-scattering nut is matched with the bolt, so that the distance between clamping sections of the front clamping plate and the rear clamping plate is adjusted, and the clamping is reliable.

Further, the back splint is fixed with the head of fastening nut and bolt centre gripping, regard back splint as the stiff end of auxiliary fixture, makes back splint unable follow the axial displacement of bolt.

Further, the front clamping plate is clamped and fixed by the adjusting nut and the anti-scattering nut, so that the connecting section is prevented from tilting.

Further, the mutually back of front splint and back splint all is provided with the boss, and the boss is close to the clamping section setting, makes auxiliary clamp when being held, and clamping force can concentrate on the clamping section.

Drawings

FIG. 1 is a block diagram of a quick clamp of the present utility model;

FIG. 2 is a schematic diagram of a quick clamp application of the present utility model;

FIG. 3 is a perspective view of the structure of the auxiliary clamp of the present utility model;

FIG. 4 is a front view of the auxiliary clamp structure of the present utility model;

FIG. 5 is a schematic diagram of an accessory clamp application of the present utility model.

Wherein: 1-a bolt; 2-a rear clamping plate; 3-tightening the nut; 4-adjusting the nut; 5-front splint; 6-a scattering prevention nut; 7-jaw; 8-sample.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 3 and 4, the auxiliary clamp according to the present utility model includes a front clamping plate 5 and a rear clamping plate 2 which are disposed opposite to each other.

The front clamping plate 5 and the rear clamping plate 2 are oppositely arranged, two opposite surfaces are opposite surfaces, and two surfaces which are far away from each other are opposite surfaces.

The front clamping plate 5 and the rear clamping plate 2 are identical in structure and are arranged in a mirror image mode, the front clamping plate is divided into three sections from the left end to the right end, the leftmost end is a connecting section, the thickness is thinnest, the middle section is a thickness transition section, the thickness is gradually increased from left to right, the rightmost end is a clamping section, the thickness is thickest, and the thickness in the embodiment is the distance between the back surface and the opposite surface of the same clamping plate.

The opposite sides of the front clamping plate 5 and the rear clamping plate 2 are planes and are arranged in parallel, the opposite sides of the front clamping plate 5 and the rear clamping plate 2 are planes, the connecting section and the clamping section are arranged in parallel, and the middle section is an inclined plane.

The lengths of the front clamping plate 5 and the rear clamping plate 2 are both larger than the lengths of the jaws 7 of the quick clamp, so that the left and right stress of the jaws 7 during clamping is ensured to be uniform, and the clamping is firmer.

The front clamping plate 5 and the back clamping plate 2 are all provided with the through hole at the linkage segment, two through hole positions correspond, two through holes adopt connecting rod through connection, and follow connecting rod axial slip setting, the connecting rod adopts bolt 1 in this embodiment, bolt 1 passes two through holes, the head of bolt 1 is located the opposite side of back clamping plate 2, the afterbody of bolt 1 stretches out the opposite side of front clamping plate 5, threaded connection has three nuts on the bolt 1, fastening nut 3 is located the opposite side of back clamping plate 2, fastening nut 3 and the head of bolt 1 are fixed with back clamping plate 2 centre gripping, make back clamping plate 2 unable along bolt 1 axial displacement, regard back clamping plate 2 as auxiliary clamp's stiff end.

The adjusting nut 4 is located on the opposite face of the front clamping plate 5, the anti-scattering nut 6 is located on the opposite back face of the front clamping plate 5, the adjusting nut 4 and the anti-scattering nut 6 clamp and fix the front clamping plate 5, the front clamping plate 5 is enabled to move and adjust along the bolt 1, and after the adjusting position is adjusted, the front clamping plate 5 is fixed.

The three nuts are matched with the bolts 1 to prevent the front clamping plate 5 and the rear clamping plate 2 from scattering, adjust the distance between the front clamping plate 5 and the rear clamping plate 2 and fix the front clamping plate 5 and the rear clamping plate 2.

The opposite sides of the front clamping plate 5 and the rear clamping plate 2 are respectively provided with a boss, and the bosses are arranged close to the clamping sections, so that the clamping force can be concentrated on the clamping sections when the auxiliary clamp is clamped.

The front clamping plate 5 and the rear clamping plate 2 are made of aluminum alloy.

When the clamp is used, the auxiliary clamp is used for clamping the sample 8, the sample 8 is partially placed in the clamping sections of the front clamping plate 5 and the rear clamping plate 2, the other part extends out of the clamping sections, the auxiliary clamp is placed in the two jaws 7 of the quick clamp, the horizontal position of the auxiliary clamp is moved, the cutting position is adjusted, then the adjusting nut 4 is screwed, the two opposite sides of the front clamping plate 5 and the rear clamping plate 2 are close to be parallel, the opposite sides of the front clamping plate 5 and the rear clamping plate 2 are respectively attached to the two jaws 7 of the quick clamp, the quick clamp is locked, the auxiliary clamp is locked, and the clamping is completed. Thus, the abrasive wheel cutting machine can accurately cut the small-sized sample 8.

The auxiliary clamp of the embodiment is matched with the quick clamp, so that various small-size metallographic samples 8 can be firmly held, and the auxiliary clamp can flexibly move in the horizontal direction, so that all the small-size metallographic samples 8 can be reliably clamped and accurately cut.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant not be considered to be a part of the disclosed subject matter.

Claims

1. An auxiliary clamp is characterized by comprising a front clamping plate (5) and a rear clamping plate (2);

the front clamping plate (5) and the rear clamping plate (2) have the same structure and are arranged in a mirror image opposite mode, the left ends of the front clamping plate (5) and the rear clamping plate (2) are connecting sections, and the right ends of the front clamping plate and the rear clamping plate are clamping sections;

the opposite sides of the front clamping plate (5) and the rear clamping plate (2) are planes and are arranged in parallel, and the opposite sides of the front clamping plate (5) and the rear clamping plate (2) are planes and are arranged in parallel;

the front clamping plate (5) and the rear clamping plate (2) are respectively provided with a through hole at the connecting section, the positions of the two through holes correspond, and the two through holes are connected in a penetrating manner by adopting a connecting rod and axially slide along the connecting rod.

2. Auxiliary clamp according to claim 1, characterized in that the front clamping plate (5) and the rear clamping plate (2) are each longer than the jaw (7) of the quick clamp.

3. Auxiliary clamp according to claim 1, characterized in that the connecting section thickness of the front clamping plate (5) and the rear clamping plate (2) is smaller than the clamping section thickness.

4. Auxiliary clamp according to claim 1, characterized in that the connecting section and the clamping section of the front clamping plate (5) and the rear clamping plate (2) are connected in transition by an intermediate section, the opposite faces of which are inclined planes.

5. The auxiliary clamp according to claim 1, wherein the connecting rod is a bolt (1), the bolt (1) passes through the two through holes, the head of the bolt (1) is positioned on the opposite surface of the rear clamping plate (2), the tail of the bolt (1) extends out of the opposite surface of the front clamping plate (5), the tail of the bolt (1) is in threaded connection with an anti-scattering nut (6), and the anti-scattering nut (6) is positioned on the opposite surface of the front clamping plate (5).

6. Auxiliary clamp according to claim 1, characterized in that the bolt (1) is screwed with a fastening nut (3), the fastening nut (3) being located on the opposite side of the rear clamping plate (2).

7. Auxiliary clamp according to claim 1, characterized in that the bolt (1) is screwed with an adjusting nut (4), the adjusting nut (4) being located on the opposite side of the front clamping plate (5).

8. Auxiliary clamp according to claim 1, characterized in that the opposite faces of the front (5) and rear (2) clamp plates are provided with bosses.

9. The auxiliary clamp of claim 8, wherein the boss is disposed adjacent the clamping segment.

10. Auxiliary clamp according to claim 1, characterized in that the front clamping plate (5) and the rear clamping plate (2) are made of aluminium alloy.